/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/AST/Expr.cpp
Line | Count | Source (jump to first uncovered line) |
1 | | //===--- Expr.cpp - Expression AST Node Implementation --------------------===// |
2 | | // |
3 | | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | | // See https://llvm.org/LICENSE.txt for license information. |
5 | | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | // |
9 | | // This file implements the Expr class and subclasses. |
10 | | // |
11 | | //===----------------------------------------------------------------------===// |
12 | | |
13 | | #include "clang/AST/Expr.h" |
14 | | #include "clang/AST/APValue.h" |
15 | | #include "clang/AST/ASTContext.h" |
16 | | #include "clang/AST/Attr.h" |
17 | | #include "clang/AST/ComputeDependence.h" |
18 | | #include "clang/AST/DeclCXX.h" |
19 | | #include "clang/AST/DeclObjC.h" |
20 | | #include "clang/AST/DeclTemplate.h" |
21 | | #include "clang/AST/DependenceFlags.h" |
22 | | #include "clang/AST/EvaluatedExprVisitor.h" |
23 | | #include "clang/AST/ExprCXX.h" |
24 | | #include "clang/AST/IgnoreExpr.h" |
25 | | #include "clang/AST/Mangle.h" |
26 | | #include "clang/AST/RecordLayout.h" |
27 | | #include "clang/AST/StmtVisitor.h" |
28 | | #include "clang/Basic/Builtins.h" |
29 | | #include "clang/Basic/CharInfo.h" |
30 | | #include "clang/Basic/SourceManager.h" |
31 | | #include "clang/Basic/TargetInfo.h" |
32 | | #include "clang/Lex/Lexer.h" |
33 | | #include "clang/Lex/LiteralSupport.h" |
34 | | #include "llvm/Support/ErrorHandling.h" |
35 | | #include "llvm/Support/raw_ostream.h" |
36 | | #include <algorithm> |
37 | | #include <cstring> |
38 | | using namespace clang; |
39 | | |
40 | 32.3k | const Expr *Expr::getBestDynamicClassTypeExpr() const { |
41 | 32.3k | const Expr *E = this; |
42 | 32.7k | while (true) { |
43 | 32.7k | E = E->IgnoreParenBaseCasts(); |
44 | | |
45 | | // Follow the RHS of a comma operator. |
46 | 32.7k | if (auto *BO = dyn_cast<BinaryOperator>(E)) { |
47 | 60 | if (BO->getOpcode() == BO_Comma) { |
48 | 18 | E = BO->getRHS(); |
49 | 18 | continue; |
50 | 18 | } |
51 | 32.6k | } |
52 | | |
53 | | // Step into initializer for materialized temporaries. |
54 | 32.6k | if (auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) { |
55 | 290 | E = MTE->getSubExpr(); |
56 | 290 | continue; |
57 | 290 | } |
58 | | |
59 | 32.3k | break; |
60 | 32.3k | } |
61 | | |
62 | 32.3k | return E; |
63 | 32.3k | } |
64 | | |
65 | 18.1k | const CXXRecordDecl *Expr::getBestDynamicClassType() const { |
66 | 18.1k | const Expr *E = getBestDynamicClassTypeExpr(); |
67 | 18.1k | QualType DerivedType = E->getType(); |
68 | 18.1k | if (const PointerType *PTy = DerivedType->getAs<PointerType>()) |
69 | 12.5k | DerivedType = PTy->getPointeeType(); |
70 | | |
71 | 18.1k | if (DerivedType->isDependentType()) |
72 | 4.09k | return nullptr; |
73 | | |
74 | 14.0k | const RecordType *Ty = DerivedType->castAs<RecordType>(); |
75 | 14.0k | Decl *D = Ty->getDecl(); |
76 | 14.0k | return cast<CXXRecordDecl>(D); |
77 | 14.0k | } |
78 | | |
79 | | const Expr *Expr::skipRValueSubobjectAdjustments( |
80 | | SmallVectorImpl<const Expr *> &CommaLHSs, |
81 | 9.31M | SmallVectorImpl<SubobjectAdjustment> &Adjustments) const { |
82 | 9.31M | const Expr *E = this; |
83 | 9.65M | while (true) { |
84 | 9.65M | E = E->IgnoreParens(); |
85 | | |
86 | 9.65M | if (const CastExpr *CE = dyn_cast<CastExpr>(E)) { |
87 | 3.76M | if ((CE->getCastKind() == CK_DerivedToBase || |
88 | 3.76M | CE->getCastKind() == CK_UncheckedDerivedToBase) && |
89 | 3.72k | E->getType()->isRecordType()) { |
90 | 3.12k | E = CE->getSubExpr(); |
91 | 3.12k | auto *Derived = |
92 | 3.12k | cast<CXXRecordDecl>(E->getType()->castAs<RecordType>()->getDecl()); |
93 | 3.12k | Adjustments.push_back(SubobjectAdjustment(CE, Derived)); |
94 | 3.12k | continue; |
95 | 3.12k | } |
96 | | |
97 | 3.76M | if (CE->getCastKind() == CK_NoOp) { |
98 | 279k | E = CE->getSubExpr(); |
99 | 279k | continue; |
100 | 279k | } |
101 | 5.88M | } else if (const MemberExpr *ME = dyn_cast<MemberExpr>(E)) { |
102 | 109k | if (!ME->isArrow()) { |
103 | 51.1k | assert(ME->getBase()->getType()->isRecordType()); |
104 | 51.1k | if (FieldDecl *Field = dyn_cast<FieldDecl>(ME->getMemberDecl())) { |
105 | 50.8k | if (!Field->isBitField() && !Field->getType()->isReferenceType()50.5k ) { |
106 | 49.5k | E = ME->getBase(); |
107 | 49.5k | Adjustments.push_back(SubobjectAdjustment(Field)); |
108 | 49.5k | continue; |
109 | 49.5k | } |
110 | 5.77M | } |
111 | 51.1k | } |
112 | 5.77M | } else if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { |
113 | 619k | if (BO->getOpcode() == BO_PtrMemD) { |
114 | 110 | assert(BO->getRHS()->isRValue()); |
115 | 110 | E = BO->getLHS(); |
116 | 110 | const MemberPointerType *MPT = |
117 | 110 | BO->getRHS()->getType()->getAs<MemberPointerType>(); |
118 | 110 | Adjustments.push_back(SubobjectAdjustment(MPT, BO->getRHS())); |
119 | 110 | continue; |
120 | 619k | } else if (BO->getOpcode() == BO_Comma) { |
121 | 4.24k | CommaLHSs.push_back(BO->getLHS()); |
122 | 4.24k | E = BO->getRHS(); |
123 | 4.24k | continue; |
124 | 4.24k | } |
125 | 9.31M | } |
126 | | |
127 | | // Nothing changed. |
128 | 9.31M | break; |
129 | 9.31M | } |
130 | 9.31M | return E; |
131 | 9.31M | } |
132 | | |
133 | 356k | bool Expr::isKnownToHaveBooleanValue(bool Semantic) const { |
134 | 356k | const Expr *E = IgnoreParens(); |
135 | | |
136 | | // If this value has _Bool type, it is obvious 0/1. |
137 | 356k | if (E->getType()->isBooleanType()) return true454 ; |
138 | | // If this is a non-scalar-integer type, we don't care enough to try. |
139 | 355k | if (!E->getType()->isIntegralOrEnumerationType()) return false26.1k ; |
140 | | |
141 | 329k | if (const UnaryOperator *UO = dyn_cast<UnaryOperator>(E)) { |
142 | 4.58k | switch (UO->getOpcode()) { |
143 | 2 | case UO_Plus: |
144 | 2 | return UO->getSubExpr()->isKnownToHaveBooleanValue(Semantic); |
145 | 118 | case UO_LNot: |
146 | 118 | return true; |
147 | 4.46k | default: |
148 | 4.46k | return false; |
149 | 325k | } |
150 | 325k | } |
151 | | |
152 | | // Only look through implicit casts. If the user writes |
153 | | // '(int) (a && b)' treat it as an arbitrary int. |
154 | | // FIXME: Should we look through any cast expression in !Semantic mode? |
155 | 325k | if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E)) |
156 | 59.0k | return CE->getSubExpr()->isKnownToHaveBooleanValue(Semantic); |
157 | | |
158 | 266k | if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { |
159 | 9.45k | switch (BO->getOpcode()) { |
160 | 3.54k | default: return false; |
161 | 50 | case BO_LT: // Relational operators. |
162 | 58 | case BO_GT: |
163 | 58 | case BO_LE: |
164 | 59 | case BO_GE: |
165 | 76 | case BO_EQ: // Equality operators. |
166 | 77 | case BO_NE: |
167 | 627 | case BO_LAnd: // AND operator. |
168 | 659 | case BO_LOr: // Logical OR operator. |
169 | 659 | return true; |
170 | | |
171 | 4.81k | case BO_And: // Bitwise AND operator. |
172 | 4.82k | case BO_Xor: // Bitwise XOR operator. |
173 | 4.88k | case BO_Or: // Bitwise OR operator. |
174 | | // Handle things like (x==2)|(y==12). |
175 | 4.88k | return BO->getLHS()->isKnownToHaveBooleanValue(Semantic) && |
176 | 0 | BO->getRHS()->isKnownToHaveBooleanValue(Semantic); |
177 | | |
178 | 21 | case BO_Comma: |
179 | 377 | case BO_Assign: |
180 | 377 | return BO->getRHS()->isKnownToHaveBooleanValue(Semantic); |
181 | 256k | } |
182 | 256k | } |
183 | | |
184 | 256k | if (const ConditionalOperator *CO = dyn_cast<ConditionalOperator>(E)) |
185 | 0 | return CO->getTrueExpr()->isKnownToHaveBooleanValue(Semantic) && |
186 | 0 | CO->getFalseExpr()->isKnownToHaveBooleanValue(Semantic); |
187 | | |
188 | 256k | if (isa<ObjCBoolLiteralExpr>(E)) |
189 | 1 | return true; |
190 | | |
191 | 256k | if (const auto *OVE = dyn_cast<OpaqueValueExpr>(E)) |
192 | 0 | return OVE->getSourceExpr()->isKnownToHaveBooleanValue(Semantic); |
193 | | |
194 | 256k | if (const FieldDecl *FD = E->getSourceBitField()) |
195 | 802 | if (!Semantic && FD->getType()->isUnsignedIntegerType()26 && |
196 | 22 | !FD->getBitWidth()->isValueDependent() && |
197 | 22 | FD->getBitWidthValue(FD->getASTContext()) == 1) |
198 | 11 | return true; |
199 | | |
200 | 256k | return false; |
201 | 256k | } |
202 | | |
203 | | // Amusing macro metaprogramming hack: check whether a class provides |
204 | | // a more specific implementation of getExprLoc(). |
205 | | // |
206 | | // See also Stmt.cpp:{getBeginLoc(),getEndLoc()}. |
207 | | namespace { |
208 | | /// This implementation is used when a class provides a custom |
209 | | /// implementation of getExprLoc. |
210 | | template <class E, class T> |
211 | | SourceLocation getExprLocImpl(const Expr *expr, |
212 | 18.0M | SourceLocation (T::*v)() const) { |
213 | 18.0M | return static_cast<const E*>(expr)->getExprLoc(); |
214 | 18.0M | } Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ArraySubscriptExpr, clang::ArraySubscriptExpr>(clang::Expr const*, clang::SourceLocation (clang::ArraySubscriptExpr::*)() const) Line | Count | Source | 212 | 514k | SourceLocation (T::*v)() const) { | 213 | 514k | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 514k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::BinaryOperator, clang::BinaryOperator>(clang::Expr const*, clang::SourceLocation (clang::BinaryOperator::*)() const) Line | Count | Source | 212 | 9.87M | SourceLocation (T::*v)() const) { | 213 | 9.87M | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 9.87M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CompoundAssignOperator, clang::BinaryOperator>(clang::Expr const*, clang::SourceLocation (clang::BinaryOperator::*)() const) Line | Count | Source | 212 | 296k | SourceLocation (T::*v)() const) { | 213 | 296k | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 296k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXDefaultArgExpr, clang::CXXDefaultArgExpr>(clang::Expr const*, clang::SourceLocation (clang::CXXDefaultArgExpr::*)() const) Line | Count | Source | 212 | 34.6k | SourceLocation (T::*v)() const) { | 213 | 34.6k | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 34.6k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXRewrittenBinaryOperator, clang::CXXRewrittenBinaryOperator>(clang::Expr const*, clang::SourceLocation (clang::CXXRewrittenBinaryOperator::*)() const) Line | Count | Source | 212 | 466 | SourceLocation (T::*v)() const) { | 213 | 466 | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 466 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXMemberCallExpr, clang::CXXMemberCallExpr>(clang::Expr const*, clang::SourceLocation (clang::CXXMemberCallExpr::*)() const) Line | Count | Source | 212 | 947k | SourceLocation (T::*v)() const) { | 213 | 947k | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 947k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXOperatorCallExpr, clang::CXXOperatorCallExpr>(clang::Expr const*, clang::SourceLocation (clang::CXXOperatorCallExpr::*)() const) Line | Count | Source | 212 | 648k | SourceLocation (T::*v)() const) { | 213 | 648k | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 648k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::MSPropertySubscriptExpr, clang::MSPropertySubscriptExpr>(clang::Expr const*, clang::SourceLocation (clang::MSPropertySubscriptExpr::*)() const) Line | Count | Source | 212 | 396 | SourceLocation (T::*v)() const) { | 213 | 396 | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 396 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::MatrixSubscriptExpr, clang::MatrixSubscriptExpr>(clang::Expr const*, clang::SourceLocation (clang::MatrixSubscriptExpr::*)() const) Line | Count | Source | 212 | 102 | SourceLocation (T::*v)() const) { | 213 | 102 | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 102 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::MemberExpr, clang::MemberExpr>(clang::Expr const*, clang::SourceLocation (clang::MemberExpr::*)() const) Line | Count | Source | 212 | 2.20M | SourceLocation (T::*v)() const) { | 213 | 2.20M | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 2.20M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::OMPArraySectionExpr, clang::OMPArraySectionExpr>(clang::Expr const*, clang::SourceLocation (clang::OMPArraySectionExpr::*)() const) Line | Count | Source | 212 | 45.0k | SourceLocation (T::*v)() const) { | 213 | 45.0k | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 45.0k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCIndirectCopyRestoreExpr, clang::ObjCIndirectCopyRestoreExpr>(clang::Expr const*, clang::SourceLocation (clang::ObjCIndirectCopyRestoreExpr::*)() const) Line | Count | Source | 212 | 102 | SourceLocation (T::*v)() const) { | 213 | 102 | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 102 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCIsaExpr, clang::ObjCIsaExpr>(clang::Expr const*, clang::SourceLocation (clang::ObjCIsaExpr::*)() const) Line | Count | Source | 212 | 185 | SourceLocation (T::*v)() const) { | 213 | 185 | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 185 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::OpaqueValueExpr, clang::OpaqueValueExpr>(clang::Expr const*, clang::SourceLocation (clang::OpaqueValueExpr::*)() const) Line | Count | Source | 212 | 41.2k | SourceLocation (T::*v)() const) { | 213 | 41.2k | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 41.2k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::UnresolvedMemberExpr, clang::UnresolvedMemberExpr>(clang::Expr const*, clang::SourceLocation (clang::UnresolvedMemberExpr::*)() const) Line | Count | Source | 212 | 306 | SourceLocation (T::*v)() const) { | 213 | 306 | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 306 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::PseudoObjectExpr, clang::PseudoObjectExpr>(clang::Expr const*, clang::SourceLocation (clang::PseudoObjectExpr::*)() const) Line | Count | Source | 212 | 16.3k | SourceLocation (T::*v)() const) { | 213 | 16.3k | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 16.3k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::UnaryOperator, clang::UnaryOperator>(clang::Expr const*, clang::SourceLocation (clang::UnaryOperator::*)() const) Line | Count | Source | 212 | 3.41M | SourceLocation (T::*v)() const) { | 213 | 3.41M | return static_cast<const E*>(expr)->getExprLoc(); | 214 | 3.41M | } |
|
215 | | |
216 | | /// This implementation is used when a class doesn't provide |
217 | | /// a custom implementation of getExprLoc. Overload resolution |
218 | | /// should pick it over the implementation above because it's |
219 | | /// more specialized according to function template partial ordering. |
220 | | template <class E> |
221 | | SourceLocation getExprLocImpl(const Expr *expr, |
222 | 72.2M | SourceLocation (Expr::*v)() const) { |
223 | 72.2M | return static_cast<const E *>(expr)->getBeginLoc(); |
224 | 72.2M | } Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::BinaryConditionalOperator>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 282 | SourceLocation (Expr::*v)() const) { | 223 | 282 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 282 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ConditionalOperator>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 264k | SourceLocation (Expr::*v)() const) { | 223 | 264k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 264k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::AddrLabelExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 524 | SourceLocation (Expr::*v)() const) { | 223 | 524 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 524 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ArrayInitIndexExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 73 | SourceLocation (Expr::*v)() const) { | 223 | 73 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 73 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ArrayInitLoopExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 86 | SourceLocation (Expr::*v)() const) { | 223 | 86 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 86 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ArrayTypeTraitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 465 | SourceLocation (Expr::*v)() const) { | 223 | 465 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 465 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::AsTypeExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 81 | SourceLocation (Expr::*v)() const) { | 223 | 81 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 81 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::AtomicExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 13.2k | SourceLocation (Expr::*v)() const) { | 223 | 13.2k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 13.2k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::BlockExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 6.08k | SourceLocation (Expr::*v)() const) { | 223 | 6.08k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 6.08k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXBindTemporaryExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 51.1k | SourceLocation (Expr::*v)() const) { | 223 | 51.1k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 51.1k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXBoolLiteralExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.51M | SourceLocation (Expr::*v)() const) { | 223 | 1.51M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.51M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXConstructExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 631k | SourceLocation (Expr::*v)() const) { | 223 | 631k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 631k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXTemporaryObjectExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 246k | SourceLocation (Expr::*v)() const) { | 223 | 246k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 246k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXDefaultInitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.29k | SourceLocation (Expr::*v)() const) { | 223 | 1.29k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.29k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXDeleteExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 12.4k | SourceLocation (Expr::*v)() const) { | 223 | 12.4k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 12.4k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXDependentScopeMemberExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 64.1k | SourceLocation (Expr::*v)() const) { | 223 | 64.1k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 64.1k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXFoldExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 112 | SourceLocation (Expr::*v)() const) { | 223 | 112 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 112 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXInheritedCtorInitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 250 | SourceLocation (Expr::*v)() const) { | 223 | 250 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 250 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXNewExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 56.4k | SourceLocation (Expr::*v)() const) { | 223 | 56.4k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 56.4k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXNoexceptExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.81k | SourceLocation (Expr::*v)() const) { | 223 | 1.81k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.81k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXNullPtrLiteralExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 86.9k | SourceLocation (Expr::*v)() const) { | 223 | 86.9k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 86.9k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXPseudoDestructorExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 546 | SourceLocation (Expr::*v)() const) { | 223 | 546 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 546 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXScalarValueInitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 17.7k | SourceLocation (Expr::*v)() const) { | 223 | 17.7k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 17.7k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXStdInitializerListExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 2.26k | SourceLocation (Expr::*v)() const) { | 223 | 2.26k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 2.26k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXThisExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.32M | SourceLocation (Expr::*v)() const) { | 223 | 1.32M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.32M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXThrowExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 41.2k | SourceLocation (Expr::*v)() const) { | 223 | 41.2k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 41.2k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXTypeidExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 3.95k | SourceLocation (Expr::*v)() const) { | 223 | 3.95k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 3.95k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXUnresolvedConstructExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 6.43k | SourceLocation (Expr::*v)() const) { | 223 | 6.43k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 6.43k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXUuidofExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 250 | SourceLocation (Expr::*v)() const) { | 223 | 250 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 250 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CallExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 11.9M | SourceLocation (Expr::*v)() const) { | 223 | 11.9M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 11.9M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CUDAKernelCallExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 604 | SourceLocation (Expr::*v)() const) { | 223 | 604 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 604 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::UserDefinedLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 3.44k | SourceLocation (Expr::*v)() const) { | 223 | 3.44k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 3.44k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::BuiltinBitCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.10k | SourceLocation (Expr::*v)() const) { | 223 | 1.10k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.10k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CStyleCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 4.72M | SourceLocation (Expr::*v)() const) { | 223 | 4.72M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 4.72M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXFunctionalCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 69.4k | SourceLocation (Expr::*v)() const) { | 223 | 69.4k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 69.4k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXAddrspaceCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 5 | SourceLocation (Expr::*v)() const) { | 223 | 5 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 5 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXConstCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 542 | SourceLocation (Expr::*v)() const) { | 223 | 542 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 542 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXDynamicCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 563 | SourceLocation (Expr::*v)() const) { | 223 | 563 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 563 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXReinterpretCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 2.65k | SourceLocation (Expr::*v)() const) { | 223 | 2.65k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 2.65k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CXXStaticCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 72.3k | SourceLocation (Expr::*v)() const) { | 223 | 72.3k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 72.3k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCBridgedCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 366 | SourceLocation (Expr::*v)() const) { | 223 | 366 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 366 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ImplicitCastExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 6.49M | SourceLocation (Expr::*v)() const) { | 223 | 6.49M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 6.49M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CharacterLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 883k | SourceLocation (Expr::*v)() const) { | 223 | 883k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 883k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ChooseExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 30 | SourceLocation (Expr::*v)() const) { | 223 | 30 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 30 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CompoundLiteralExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 95.5k | SourceLocation (Expr::*v)() const) { | 223 | 95.5k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 95.5k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ConceptSpecializationExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 553 | SourceLocation (Expr::*v)() const) { | 223 | 553 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 553 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ConvertVectorExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 21.1k | SourceLocation (Expr::*v)() const) { | 223 | 21.1k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 21.1k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CoawaitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.45k | SourceLocation (Expr::*v)() const) { | 223 | 1.45k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.45k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::CoyieldExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 144 | SourceLocation (Expr::*v)() const) { | 223 | 144 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 144 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::DeclRefExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 26.4M | SourceLocation (Expr::*v)() const) { | 223 | 26.4M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 26.4M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::DependentCoawaitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 52 | SourceLocation (Expr::*v)() const) { | 223 | 52 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 52 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::DependentScopeDeclRefExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.29k | SourceLocation (Expr::*v)() const) { | 223 | 1.29k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.29k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::DesignatedInitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 10 | SourceLocation (Expr::*v)() const) { | 223 | 10 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 10 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::DesignatedInitUpdateExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 75 | SourceLocation (Expr::*v)() const) { | 223 | 75 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 75 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ExpressionTraitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 24 | SourceLocation (Expr::*v)() const) { | 223 | 24 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 24 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ExtVectorElementExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.53k | SourceLocation (Expr::*v)() const) { | 223 | 1.53k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.53k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::FixedPointLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.56k | SourceLocation (Expr::*v)() const) { | 223 | 1.56k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.56k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::FloatingLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 81.2k | SourceLocation (Expr::*v)() const) { | 223 | 81.2k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 81.2k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ConstantExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 111k | SourceLocation (Expr::*v)() const) { | 223 | 111k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 111k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ExprWithCleanups>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 23.5k | SourceLocation (Expr::*v)() const) { | 223 | 23.5k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 23.5k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::FunctionParmPackExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 190 | SourceLocation (Expr::*v)() const) { | 223 | 190 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 190 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::GNUNullExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 5.20k | SourceLocation (Expr::*v)() const) { | 223 | 5.20k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 5.20k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::GenericSelectionExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 436 | SourceLocation (Expr::*v)() const) { | 223 | 436 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 436 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ImaginaryLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 611 | SourceLocation (Expr::*v)() const) { | 223 | 611 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 611 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ImplicitValueInitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 18.2k | SourceLocation (Expr::*v)() const) { | 223 | 18.2k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 18.2k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::InitListExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 134k | SourceLocation (Expr::*v)() const) { | 223 | 134k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 134k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::IntegerLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 12.1M | SourceLocation (Expr::*v)() const) { | 223 | 12.1M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 12.1M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::LambdaExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 35.3k | SourceLocation (Expr::*v)() const) { | 223 | 35.3k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 35.3k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::MSPropertyRefExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 631 | SourceLocation (Expr::*v)() const) { | 223 | 631 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 631 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::MaterializeTemporaryExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 43.8k | SourceLocation (Expr::*v)() const) { | 223 | 43.8k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 43.8k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::NoInitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 102 | SourceLocation (Expr::*v)() const) { | 223 | 102 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 102 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::OMPArrayShapingExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 417 | SourceLocation (Expr::*v)() const) { | 223 | 417 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 417 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::OMPIteratorExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 8 | SourceLocation (Expr::*v)() const) { | 223 | 8 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 8 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCArrayLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 836 | SourceLocation (Expr::*v)() const) { | 223 | 836 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 836 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCAvailabilityCheckExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 218 | SourceLocation (Expr::*v)() const) { | 223 | 218 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 218 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCBoolLiteralExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 3.13k | SourceLocation (Expr::*v)() const) { | 223 | 3.13k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 3.13k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCBoxedExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 3.64k | SourceLocation (Expr::*v)() const) { | 223 | 3.64k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 3.64k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCDictionaryLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 643 | SourceLocation (Expr::*v)() const) { | 223 | 643 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 643 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCEncodeExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 245 | SourceLocation (Expr::*v)() const) { | 223 | 245 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 245 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCIvarRefExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 10.0k | SourceLocation (Expr::*v)() const) { | 223 | 10.0k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 10.0k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCMessageExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 98.8k | SourceLocation (Expr::*v)() const) { | 223 | 98.8k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 98.8k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCPropertyRefExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 6.76k | SourceLocation (Expr::*v)() const) { | 223 | 6.76k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 6.76k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCProtocolExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 98 | SourceLocation (Expr::*v)() const) { | 223 | 98 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 98 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCSelectorExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 900 | SourceLocation (Expr::*v)() const) { | 223 | 900 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 900 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCStringLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 25.2k | SourceLocation (Expr::*v)() const) { | 223 | 25.2k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 25.2k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ObjCSubscriptRefExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 737 | SourceLocation (Expr::*v)() const) { | 223 | 737 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 737 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::OffsetOfExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 933 | SourceLocation (Expr::*v)() const) { | 223 | 933 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 933 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::UnresolvedLookupExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.00M | SourceLocation (Expr::*v)() const) { | 223 | 1.00M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.00M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::PackExpansionExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 17 | SourceLocation (Expr::*v)() const) { | 223 | 17 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 17 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ParenExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 635k | SourceLocation (Expr::*v)() const) { | 223 | 635k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 635k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ParenListExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 5.14k | SourceLocation (Expr::*v)() const) { | 223 | 5.14k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 5.14k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::PredefinedExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 2.19k | SourceLocation (Expr::*v)() const) { | 223 | 2.19k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 2.19k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::RecoveryExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 11.9k | SourceLocation (Expr::*v)() const) { | 223 | 11.9k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 11.9k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::RequiresExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 253 | SourceLocation (Expr::*v)() const) { | 223 | 253 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 253 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::ShuffleVectorExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 351k | SourceLocation (Expr::*v)() const) { | 223 | 351k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 351k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::SizeOfPackExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 143k | SourceLocation (Expr::*v)() const) { | 223 | 143k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 143k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::SourceLocExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 326 | SourceLocation (Expr::*v)() const) { | 223 | 326 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 326 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::StmtExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 11.4k | SourceLocation (Expr::*v)() const) { | 223 | 11.4k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 11.4k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::StringLiteral>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 384k | SourceLocation (Expr::*v)() const) { | 223 | 384k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 384k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::SubstNonTypeTemplateParmExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 1.07M | SourceLocation (Expr::*v)() const) { | 223 | 1.07M | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 1.07M | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::SubstNonTypeTemplateParmPackExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 6 | SourceLocation (Expr::*v)() const) { | 223 | 6 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 6 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::TypeTraitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 507k | SourceLocation (Expr::*v)() const) { | 223 | 507k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 507k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::TypoExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 78 | SourceLocation (Expr::*v)() const) { | 223 | 78 | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 78 | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::UnaryExprOrTypeTraitExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 189k | SourceLocation (Expr::*v)() const) { | 223 | 189k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 189k | } |
Expr.cpp:clang::SourceLocation (anonymous namespace)::getExprLocImpl<clang::VAArgExpr>(clang::Expr const*, clang::SourceLocation (clang::Expr::*)() const) Line | Count | Source | 222 | 3.31k | SourceLocation (Expr::*v)() const) { | 223 | 3.31k | return static_cast<const E *>(expr)->getBeginLoc(); | 224 | 3.31k | } |
|
225 | | } |
226 | | |
227 | 90.2M | SourceLocation Expr::getExprLoc() const { |
228 | 90.2M | switch (getStmtClass()) { |
229 | 0 | case Stmt::NoStmtClass: llvm_unreachable("statement without class"); |
230 | 0 | #define ABSTRACT_STMT(type) |
231 | 0 | #define STMT(type, base) \ |
232 | 0 | case Stmt::type##Class: break; |
233 | 0 | #define EXPR(type, base) \ |
234 | 90.2M | case Stmt::type##Class: return getExprLocImpl<type>(this, &type::getExprLoc); |
235 | 0 | #include "clang/AST/StmtNodes.inc" |
236 | 90.2M | } |
237 | 90.2M | llvm_unreachable0 ("unknown expression kind"); |
238 | 90.2M | } |
239 | | |
240 | | //===----------------------------------------------------------------------===// |
241 | | // Primary Expressions. |
242 | | //===----------------------------------------------------------------------===// |
243 | | |
244 | 7.01M | static void AssertResultStorageKind(ConstantExpr::ResultStorageKind Kind) { |
245 | 7.01M | assert((Kind == ConstantExpr::RSK_APValue || |
246 | 7.01M | Kind == ConstantExpr::RSK_Int64 || Kind == ConstantExpr::RSK_None) && |
247 | 7.01M | "Invalid StorageKind Value"); |
248 | 7.01M | (void)Kind; |
249 | 7.01M | } |
250 | | |
251 | | ConstantExpr::ResultStorageKind |
252 | 4.90M | ConstantExpr::getStorageKind(const APValue &Value) { |
253 | 4.90M | switch (Value.getKind()) { |
254 | 14.5k | case APValue::None: |
255 | 14.5k | case APValue::Indeterminate: |
256 | 14.5k | return ConstantExpr::RSK_None; |
257 | 4.88M | case APValue::Int: |
258 | 4.88M | if (!Value.getInt().needsCleanup()) |
259 | 4.88M | return ConstantExpr::RSK_Int64; |
260 | 45 | LLVM_FALLTHROUGH; |
261 | 1.95k | default: |
262 | 1.95k | return ConstantExpr::RSK_APValue; |
263 | 4.90M | } |
264 | 4.90M | } |
265 | | |
266 | | ConstantExpr::ResultStorageKind |
267 | 212 | ConstantExpr::getStorageKind(const Type *T, const ASTContext &Context) { |
268 | 212 | if (T->isIntegralOrEnumerationType() && Context.getTypeInfo(T).Width <= 6463 ) |
269 | 60 | return ConstantExpr::RSK_Int64; |
270 | 152 | return ConstantExpr::RSK_APValue; |
271 | 152 | } |
272 | | |
273 | | ConstantExpr::ConstantExpr(Expr *SubExpr, ResultStorageKind StorageKind, |
274 | | bool IsImmediateInvocation) |
275 | 6.84M | : FullExpr(ConstantExprClass, SubExpr) { |
276 | 6.84M | ConstantExprBits.ResultKind = StorageKind; |
277 | 6.84M | ConstantExprBits.APValueKind = APValue::None; |
278 | 6.84M | ConstantExprBits.IsUnsigned = false; |
279 | 6.84M | ConstantExprBits.BitWidth = 0; |
280 | 6.84M | ConstantExprBits.HasCleanup = false; |
281 | 6.84M | ConstantExprBits.IsImmediateInvocation = IsImmediateInvocation; |
282 | | |
283 | 6.84M | if (StorageKind == ConstantExpr::RSK_APValue) |
284 | 1.08k | ::new (getTrailingObjects<APValue>()) APValue(); |
285 | 6.84M | } |
286 | | |
287 | | ConstantExpr *ConstantExpr::Create(const ASTContext &Context, Expr *E, |
288 | | ResultStorageKind StorageKind, |
289 | 6.84M | bool IsImmediateInvocation) { |
290 | 6.84M | assert(!isa<ConstantExpr>(E)); |
291 | 6.84M | AssertResultStorageKind(StorageKind); |
292 | | |
293 | 6.84M | unsigned Size = totalSizeToAlloc<APValue, uint64_t>( |
294 | 6.84M | StorageKind == ConstantExpr::RSK_APValue, |
295 | 6.84M | StorageKind == ConstantExpr::RSK_Int64); |
296 | 6.84M | void *Mem = Context.Allocate(Size, alignof(ConstantExpr)); |
297 | 6.84M | return new (Mem) ConstantExpr(E, StorageKind, IsImmediateInvocation); |
298 | 6.84M | } |
299 | | |
300 | | ConstantExpr *ConstantExpr::Create(const ASTContext &Context, Expr *E, |
301 | 2.45M | const APValue &Result) { |
302 | 2.45M | ResultStorageKind StorageKind = getStorageKind(Result); |
303 | 2.45M | ConstantExpr *Self = Create(Context, E, StorageKind); |
304 | 2.45M | Self->SetResult(Result, Context); |
305 | 2.45M | return Self; |
306 | 2.45M | } |
307 | | |
308 | | ConstantExpr::ConstantExpr(EmptyShell Empty, ResultStorageKind StorageKind) |
309 | 175k | : FullExpr(ConstantExprClass, Empty) { |
310 | 175k | ConstantExprBits.ResultKind = StorageKind; |
311 | | |
312 | 175k | if (StorageKind == ConstantExpr::RSK_APValue) |
313 | 6 | ::new (getTrailingObjects<APValue>()) APValue(); |
314 | 175k | } |
315 | | |
316 | | ConstantExpr *ConstantExpr::CreateEmpty(const ASTContext &Context, |
317 | 175k | ResultStorageKind StorageKind) { |
318 | 175k | AssertResultStorageKind(StorageKind); |
319 | | |
320 | 175k | unsigned Size = totalSizeToAlloc<APValue, uint64_t>( |
321 | 175k | StorageKind == ConstantExpr::RSK_APValue, |
322 | 175k | StorageKind == ConstantExpr::RSK_Int64); |
323 | 175k | void *Mem = Context.Allocate(Size, alignof(ConstantExpr)); |
324 | 175k | return new (Mem) ConstantExpr(EmptyShell(), StorageKind); |
325 | 175k | } |
326 | | |
327 | 2.45M | void ConstantExpr::MoveIntoResult(APValue &Value, const ASTContext &Context) { |
328 | 2.45M | assert((unsigned)getStorageKind(Value) <= ConstantExprBits.ResultKind && |
329 | 2.45M | "Invalid storage for this value kind"); |
330 | 2.45M | ConstantExprBits.APValueKind = Value.getKind(); |
331 | 2.45M | switch (ConstantExprBits.ResultKind) { |
332 | 7.29k | case RSK_None: |
333 | 7.29k | return; |
334 | 2.44M | case RSK_Int64: |
335 | 2.44M | Int64Result() = *Value.getInt().getRawData(); |
336 | 2.44M | ConstantExprBits.BitWidth = Value.getInt().getBitWidth(); |
337 | 2.44M | ConstantExprBits.IsUnsigned = Value.getInt().isUnsigned(); |
338 | 2.44M | return; |
339 | 1.02k | case RSK_APValue: |
340 | 1.02k | if (!ConstantExprBits.HasCleanup && Value.needsCleanup()) { |
341 | 324 | ConstantExprBits.HasCleanup = true; |
342 | 324 | Context.addDestruction(&APValueResult()); |
343 | 324 | } |
344 | 1.02k | APValueResult() = std::move(Value); |
345 | 1.02k | return; |
346 | 0 | } |
347 | 0 | llvm_unreachable("Invalid ResultKind Bits"); |
348 | 0 | } |
349 | | |
350 | 0 | llvm::APSInt ConstantExpr::getResultAsAPSInt() const { |
351 | 0 | switch (ConstantExprBits.ResultKind) { |
352 | 0 | case ConstantExpr::RSK_APValue: |
353 | 0 | return APValueResult().getInt(); |
354 | 0 | case ConstantExpr::RSK_Int64: |
355 | 0 | return llvm::APSInt(llvm::APInt(ConstantExprBits.BitWidth, Int64Result()), |
356 | 0 | ConstantExprBits.IsUnsigned); |
357 | 0 | default: |
358 | 0 | llvm_unreachable("invalid Accessor"); |
359 | 0 | } |
360 | 0 | } |
361 | | |
362 | 96.5k | APValue ConstantExpr::getAPValueResult() const { |
363 | | |
364 | 96.5k | switch (ConstantExprBits.ResultKind) { |
365 | 81 | case ConstantExpr::RSK_APValue: |
366 | 81 | return APValueResult(); |
367 | 96.4k | case ConstantExpr::RSK_Int64: |
368 | 96.4k | return APValue( |
369 | 96.4k | llvm::APSInt(llvm::APInt(ConstantExprBits.BitWidth, Int64Result()), |
370 | 96.4k | ConstantExprBits.IsUnsigned)); |
371 | 68 | case ConstantExpr::RSK_None: |
372 | 68 | if (ConstantExprBits.APValueKind == APValue::Indeterminate) |
373 | 0 | return APValue::IndeterminateValue(); |
374 | 68 | return APValue(); |
375 | 0 | } |
376 | 0 | llvm_unreachable("invalid ResultKind"); |
377 | 0 | } |
378 | | |
379 | | DeclRefExpr::DeclRefExpr(const ASTContext &Ctx, ValueDecl *D, |
380 | | bool RefersToEnclosingVariableOrCapture, QualType T, |
381 | | ExprValueKind VK, SourceLocation L, |
382 | | const DeclarationNameLoc &LocInfo, |
383 | | NonOdrUseReason NOUR) |
384 | 821k | : Expr(DeclRefExprClass, T, VK, OK_Ordinary), D(D), DNLoc(LocInfo) { |
385 | 821k | DeclRefExprBits.HasQualifier = false; |
386 | 821k | DeclRefExprBits.HasTemplateKWAndArgsInfo = false; |
387 | 821k | DeclRefExprBits.HasFoundDecl = false; |
388 | 821k | DeclRefExprBits.HadMultipleCandidates = false; |
389 | 821k | DeclRefExprBits.RefersToEnclosingVariableOrCapture = |
390 | 821k | RefersToEnclosingVariableOrCapture; |
391 | 821k | DeclRefExprBits.NonOdrUseReason = NOUR; |
392 | 821k | DeclRefExprBits.Loc = L; |
393 | 821k | setDependence(computeDependence(this, Ctx)); |
394 | 821k | } |
395 | | |
396 | | DeclRefExpr::DeclRefExpr(const ASTContext &Ctx, |
397 | | NestedNameSpecifierLoc QualifierLoc, |
398 | | SourceLocation TemplateKWLoc, ValueDecl *D, |
399 | | bool RefersToEnclosingVariableOrCapture, |
400 | | const DeclarationNameInfo &NameInfo, NamedDecl *FoundD, |
401 | | const TemplateArgumentListInfo *TemplateArgs, |
402 | | QualType T, ExprValueKind VK, NonOdrUseReason NOUR) |
403 | | : Expr(DeclRefExprClass, T, VK, OK_Ordinary), D(D), |
404 | 20.1M | DNLoc(NameInfo.getInfo()) { |
405 | 20.1M | DeclRefExprBits.Loc = NameInfo.getLoc(); |
406 | 18.4M | DeclRefExprBits.HasQualifier = QualifierLoc ? 11.73M : 0; |
407 | 20.1M | if (QualifierLoc) |
408 | 1.73M | new (getTrailingObjects<NestedNameSpecifierLoc>()) |
409 | 1.73M | NestedNameSpecifierLoc(QualifierLoc); |
410 | 19.9M | DeclRefExprBits.HasFoundDecl = FoundD ? 1229k : 0; |
411 | 20.1M | if (FoundD) |
412 | 229k | *getTrailingObjects<NamedDecl *>() = FoundD; |
413 | 20.1M | DeclRefExprBits.HasTemplateKWAndArgsInfo |
414 | 20.1M | = (TemplateArgs || TemplateKWLoc.isValid()20.0M ) ? 1141k : 020.0M ; |
415 | 20.1M | DeclRefExprBits.RefersToEnclosingVariableOrCapture = |
416 | 20.1M | RefersToEnclosingVariableOrCapture; |
417 | 20.1M | DeclRefExprBits.NonOdrUseReason = NOUR; |
418 | 20.1M | if (TemplateArgs) { |
419 | 141k | auto Deps = TemplateArgumentDependence::None; |
420 | 141k | getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom( |
421 | 141k | TemplateKWLoc, *TemplateArgs, getTrailingObjects<TemplateArgumentLoc>(), |
422 | 141k | Deps); |
423 | 141k | assert(!(Deps & TemplateArgumentDependence::Dependent) && |
424 | 141k | "built a DeclRefExpr with dependent template args"); |
425 | 20.0M | } else if (TemplateKWLoc.isValid()) { |
426 | 19 | getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom( |
427 | 19 | TemplateKWLoc); |
428 | 19 | } |
429 | 20.1M | DeclRefExprBits.HadMultipleCandidates = 0; |
430 | 20.1M | setDependence(computeDependence(this, Ctx)); |
431 | 20.1M | } |
432 | | |
433 | | DeclRefExpr *DeclRefExpr::Create(const ASTContext &Context, |
434 | | NestedNameSpecifierLoc QualifierLoc, |
435 | | SourceLocation TemplateKWLoc, ValueDecl *D, |
436 | | bool RefersToEnclosingVariableOrCapture, |
437 | | SourceLocation NameLoc, QualType T, |
438 | | ExprValueKind VK, NamedDecl *FoundD, |
439 | | const TemplateArgumentListInfo *TemplateArgs, |
440 | 2.58M | NonOdrUseReason NOUR) { |
441 | 2.58M | return Create(Context, QualifierLoc, TemplateKWLoc, D, |
442 | 2.58M | RefersToEnclosingVariableOrCapture, |
443 | 2.58M | DeclarationNameInfo(D->getDeclName(), NameLoc), |
444 | 2.58M | T, VK, FoundD, TemplateArgs, NOUR); |
445 | 2.58M | } |
446 | | |
447 | | DeclRefExpr *DeclRefExpr::Create(const ASTContext &Context, |
448 | | NestedNameSpecifierLoc QualifierLoc, |
449 | | SourceLocation TemplateKWLoc, ValueDecl *D, |
450 | | bool RefersToEnclosingVariableOrCapture, |
451 | | const DeclarationNameInfo &NameInfo, |
452 | | QualType T, ExprValueKind VK, |
453 | | NamedDecl *FoundD, |
454 | | const TemplateArgumentListInfo *TemplateArgs, |
455 | 20.1M | NonOdrUseReason NOUR) { |
456 | | // Filter out cases where the found Decl is the same as the value refenenced. |
457 | 20.1M | if (D == FoundD) |
458 | 16.9M | FoundD = nullptr; |
459 | | |
460 | 20.1M | bool HasTemplateKWAndArgsInfo = TemplateArgs || TemplateKWLoc.isValid()20.0M ; |
461 | 20.1M | std::size_t Size = |
462 | 20.1M | totalSizeToAlloc<NestedNameSpecifierLoc, NamedDecl *, |
463 | 20.1M | ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>( |
464 | 19.9M | QualifierLoc ? 11.73M : 018.4M , FoundD ? 1229k : 0, |
465 | 20.0M | HasTemplateKWAndArgsInfo ? 1141k : 0, |
466 | 20.0M | TemplateArgs ? TemplateArgs->size()141k : 0); |
467 | | |
468 | 20.1M | void *Mem = Context.Allocate(Size, alignof(DeclRefExpr)); |
469 | 20.1M | return new (Mem) DeclRefExpr(Context, QualifierLoc, TemplateKWLoc, D, |
470 | 20.1M | RefersToEnclosingVariableOrCapture, NameInfo, |
471 | 20.1M | FoundD, TemplateArgs, T, VK, NOUR); |
472 | 20.1M | } |
473 | | |
474 | | DeclRefExpr *DeclRefExpr::CreateEmpty(const ASTContext &Context, |
475 | | bool HasQualifier, |
476 | | bool HasFoundDecl, |
477 | | bool HasTemplateKWAndArgsInfo, |
478 | 1.45M | unsigned NumTemplateArgs) { |
479 | 1.45M | assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo); |
480 | 1.45M | std::size_t Size = |
481 | 1.45M | totalSizeToAlloc<NestedNameSpecifierLoc, NamedDecl *, |
482 | 1.45M | ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>( |
483 | 1.43M | HasQualifier ? 188.1k : 01.36M , HasFoundDecl ? 116.1k : 0, HasTemplateKWAndArgsInfo, |
484 | 1.45M | NumTemplateArgs); |
485 | 1.45M | void *Mem = Context.Allocate(Size, alignof(DeclRefExpr)); |
486 | 1.45M | return new (Mem) DeclRefExpr(EmptyShell()); |
487 | 1.45M | } |
488 | | |
489 | 869k | void DeclRefExpr::setDecl(ValueDecl *NewD) { |
490 | 869k | D = NewD; |
491 | 869k | setDependence(computeDependence(this, NewD->getASTContext())); |
492 | 869k | } |
493 | | |
494 | 107M | SourceLocation DeclRefExpr::getBeginLoc() const { |
495 | 107M | if (hasQualifier()) |
496 | 7.17M | return getQualifierLoc().getBeginLoc(); |
497 | 100M | return getNameInfo().getBeginLoc(); |
498 | 100M | } |
499 | 8.80M | SourceLocation DeclRefExpr::getEndLoc() const { |
500 | 8.80M | if (hasExplicitTemplateArgs()) |
501 | 137k | return getRAngleLoc(); |
502 | 8.66M | return getNameInfo().getEndLoc(); |
503 | 8.66M | } |
504 | | |
505 | | PredefinedExpr::PredefinedExpr(SourceLocation L, QualType FNTy, IdentKind IK, |
506 | | StringLiteral *SL) |
507 | 830 | : Expr(PredefinedExprClass, FNTy, VK_LValue, OK_Ordinary) { |
508 | 830 | PredefinedExprBits.Kind = IK; |
509 | 830 | assert((getIdentKind() == IK) && |
510 | 830 | "IdentKind do not fit in PredefinedExprBitfields!"); |
511 | 830 | bool HasFunctionName = SL != nullptr; |
512 | 830 | PredefinedExprBits.HasFunctionName = HasFunctionName; |
513 | 830 | PredefinedExprBits.Loc = L; |
514 | 830 | if (HasFunctionName) |
515 | 762 | setFunctionName(SL); |
516 | 830 | setDependence(computeDependence(this)); |
517 | 830 | } |
518 | | |
519 | | PredefinedExpr::PredefinedExpr(EmptyShell Empty, bool HasFunctionName) |
520 | 17 | : Expr(PredefinedExprClass, Empty) { |
521 | 17 | PredefinedExprBits.HasFunctionName = HasFunctionName; |
522 | 17 | } |
523 | | |
524 | | PredefinedExpr *PredefinedExpr::Create(const ASTContext &Ctx, SourceLocation L, |
525 | | QualType FNTy, IdentKind IK, |
526 | 830 | StringLiteral *SL) { |
527 | 830 | bool HasFunctionName = SL != nullptr; |
528 | 830 | void *Mem = Ctx.Allocate(totalSizeToAlloc<Stmt *>(HasFunctionName), |
529 | 830 | alignof(PredefinedExpr)); |
530 | 830 | return new (Mem) PredefinedExpr(L, FNTy, IK, SL); |
531 | 830 | } |
532 | | |
533 | | PredefinedExpr *PredefinedExpr::CreateEmpty(const ASTContext &Ctx, |
534 | 17 | bool HasFunctionName) { |
535 | 17 | void *Mem = Ctx.Allocate(totalSizeToAlloc<Stmt *>(HasFunctionName), |
536 | 17 | alignof(PredefinedExpr)); |
537 | 17 | return new (Mem) PredefinedExpr(EmptyShell(), HasFunctionName); |
538 | 17 | } |
539 | | |
540 | 555 | StringRef PredefinedExpr::getIdentKindName(PredefinedExpr::IdentKind IK) { |
541 | 555 | switch (IK) { |
542 | 200 | case Func: |
543 | 200 | return "__func__"; |
544 | 168 | case Function: |
545 | 168 | return "__FUNCTION__"; |
546 | 0 | case FuncDName: |
547 | 0 | return "__FUNCDNAME__"; |
548 | 1 | case LFunction: |
549 | 1 | return "L__FUNCTION__"; |
550 | 177 | case PrettyFunction: |
551 | 177 | return "__PRETTY_FUNCTION__"; |
552 | 9 | case FuncSig: |
553 | 9 | return "__FUNCSIG__"; |
554 | 0 | case LFuncSig: |
555 | 0 | return "L__FUNCSIG__"; |
556 | 0 | case PrettyFunctionNoVirtual: |
557 | 0 | break; |
558 | 0 | } |
559 | 0 | llvm_unreachable("Unknown ident kind for PredefinedExpr"); |
560 | 0 | } |
561 | | |
562 | | // FIXME: Maybe this should use DeclPrinter with a special "print predefined |
563 | | // expr" policy instead. |
564 | 2.67k | std::string PredefinedExpr::ComputeName(IdentKind IK, const Decl *CurrentDecl) { |
565 | 2.67k | ASTContext &Context = CurrentDecl->getASTContext(); |
566 | | |
567 | 2.67k | if (IK == PredefinedExpr::FuncDName) { |
568 | 9 | if (const NamedDecl *ND = dyn_cast<NamedDecl>(CurrentDecl)) { |
569 | 9 | std::unique_ptr<MangleContext> MC; |
570 | 9 | MC.reset(Context.createMangleContext()); |
571 | | |
572 | 9 | if (MC->shouldMangleDeclName(ND)) { |
573 | 8 | SmallString<256> Buffer; |
574 | 8 | llvm::raw_svector_ostream Out(Buffer); |
575 | 8 | GlobalDecl GD; |
576 | 8 | if (const CXXConstructorDecl *CD = dyn_cast<CXXConstructorDecl>(ND)) |
577 | 2 | GD = GlobalDecl(CD, Ctor_Base); |
578 | 6 | else if (const CXXDestructorDecl *DD = dyn_cast<CXXDestructorDecl>(ND)) |
579 | 2 | GD = GlobalDecl(DD, Dtor_Base); |
580 | 4 | else if (ND->hasAttr<CUDAGlobalAttr>()) |
581 | 0 | GD = GlobalDecl(cast<FunctionDecl>(ND)); |
582 | 4 | else |
583 | 4 | GD = GlobalDecl(ND); |
584 | 8 | MC->mangleName(GD, Out); |
585 | | |
586 | 8 | if (!Buffer.empty() && Buffer.front() == '\01') |
587 | 0 | return std::string(Buffer.substr(1)); |
588 | 8 | return std::string(Buffer.str()); |
589 | 8 | } else |
590 | 1 | return std::string(ND->getIdentifier()->getName()); |
591 | 0 | } |
592 | 0 | return ""; |
593 | 0 | } |
594 | 2.66k | if (isa<BlockDecl>(CurrentDecl)) { |
595 | | // For blocks we only emit something if it is enclosed in a function |
596 | | // For top-level block we'd like to include the name of variable, but we |
597 | | // don't have it at this point. |
598 | 43 | auto DC = CurrentDecl->getDeclContext(); |
599 | 43 | if (DC->isFileContext()) |
600 | 5 | return ""; |
601 | | |
602 | 38 | SmallString<256> Buffer; |
603 | 38 | llvm::raw_svector_ostream Out(Buffer); |
604 | 38 | if (auto *DCBlock = dyn_cast<BlockDecl>(DC)) |
605 | | // For nested blocks, propagate up to the parent. |
606 | 5 | Out << ComputeName(IK, DCBlock); |
607 | 33 | else if (auto *DCDecl = dyn_cast<Decl>(DC)) |
608 | 33 | Out << ComputeName(IK, DCDecl) << "_block_invoke"; |
609 | 38 | return std::string(Out.str()); |
610 | 38 | } |
611 | 2.62k | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(CurrentDecl)) { |
612 | 2.45k | if (IK != PrettyFunction && IK != PrettyFunctionNoVirtual2.26k && |
613 | 542 | IK != FuncSig && IK != LFuncSig529 ) |
614 | 523 | return FD->getNameAsString(); |
615 | | |
616 | 1.93k | SmallString<256> Name; |
617 | 1.93k | llvm::raw_svector_ostream Out(Name); |
618 | | |
619 | 1.93k | if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { |
620 | 1.84k | if (MD->isVirtual() && IK != PrettyFunctionNoVirtual1.72k ) |
621 | 2 | Out << "virtual "; |
622 | 1.84k | if (MD->isStatic()) |
623 | 2 | Out << "static "; |
624 | 1.84k | } |
625 | | |
626 | 1.93k | PrintingPolicy Policy(Context.getLangOpts()); |
627 | 1.93k | std::string Proto; |
628 | 1.93k | llvm::raw_string_ostream POut(Proto); |
629 | | |
630 | 1.93k | const FunctionDecl *Decl = FD; |
631 | 1.93k | if (const FunctionDecl* Pattern = FD->getTemplateInstantiationPattern()) |
632 | 34 | Decl = Pattern; |
633 | 1.93k | const FunctionType *AFT = Decl->getType()->getAs<FunctionType>(); |
634 | 1.93k | const FunctionProtoType *FT = nullptr; |
635 | 1.93k | if (FD->hasWrittenPrototype()) |
636 | 1.90k | FT = dyn_cast<FunctionProtoType>(AFT); |
637 | | |
638 | 1.93k | if (IK == FuncSig || IK == LFuncSig1.91k ) { |
639 | 19 | switch (AFT->getCallConv()) { |
640 | 13 | case CC_C: POut << "__cdecl "; break; |
641 | 0 | case CC_X86StdCall: POut << "__stdcall "; break; |
642 | 0 | case CC_X86FastCall: POut << "__fastcall "; break; |
643 | 6 | case CC_X86ThisCall: POut << "__thiscall "; break; |
644 | 0 | case CC_X86VectorCall: POut << "__vectorcall "; break; |
645 | 0 | case CC_X86RegCall: POut << "__regcall "; break; |
646 | | // Only bother printing the conventions that MSVC knows about. |
647 | 0 | default: break; |
648 | 1.93k | } |
649 | 1.93k | } |
650 | | |
651 | 1.93k | FD->printQualifiedName(POut, Policy); |
652 | | |
653 | 1.93k | POut << "("; |
654 | 1.93k | if (FT) { |
655 | 2.05k | for (unsigned i = 0, e = Decl->getNumParams(); i != e; ++i146 ) { |
656 | 146 | if (i) POut << ", "10 ; |
657 | 146 | POut << Decl->getParamDecl(i)->getType().stream(Policy); |
658 | 146 | } |
659 | | |
660 | 1.90k | if (FT->isVariadic()) { |
661 | 4 | if (FD->getNumParams()) POut << ", "3 ; |
662 | 4 | POut << "..."; |
663 | 1.90k | } else if ((IK == FuncSig || IK == LFuncSig1.89k || |
664 | 1.88k | !Context.getLangOpts().CPlusPlus) && |
665 | 18 | !Decl->getNumParams()) { |
666 | 11 | POut << "void"; |
667 | 11 | } |
668 | 1.90k | } |
669 | 1.93k | POut << ")"; |
670 | | |
671 | 1.93k | if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { |
672 | 1.84k | assert(FT && "We must have a written prototype in this case."); |
673 | 1.84k | if (FT->isConst()) |
674 | 17 | POut << " const"; |
675 | 1.84k | if (FT->isVolatile()) |
676 | 2 | POut << " volatile"; |
677 | 1.84k | RefQualifierKind Ref = MD->getRefQualifier(); |
678 | 1.84k | if (Ref == RQ_LValue) |
679 | 1 | POut << " &"; |
680 | 1.84k | else if (Ref == RQ_RValue) |
681 | 1 | POut << " &&"; |
682 | 1.84k | } |
683 | | |
684 | 1.93k | typedef SmallVector<const ClassTemplateSpecializationDecl *, 8> SpecsTy; |
685 | 1.93k | SpecsTy Specs; |
686 | 1.93k | const DeclContext *Ctx = FD->getDeclContext(); |
687 | 5.31k | while (Ctx && isa<NamedDecl>(Ctx)) { |
688 | 3.37k | const ClassTemplateSpecializationDecl *Spec |
689 | 3.37k | = dyn_cast<ClassTemplateSpecializationDecl>(Ctx); |
690 | 3.37k | if (Spec && !Spec->isExplicitSpecialization()12 ) |
691 | 11 | Specs.push_back(Spec); |
692 | 3.37k | Ctx = Ctx->getParent(); |
693 | 3.37k | } |
694 | | |
695 | 1.93k | std::string TemplateParams; |
696 | 1.93k | llvm::raw_string_ostream TOut(TemplateParams); |
697 | 1.93k | for (SpecsTy::reverse_iterator I = Specs.rbegin(), E = Specs.rend(); |
698 | 1.94k | I != E; ++I11 ) { |
699 | 11 | const TemplateParameterList *Params |
700 | 11 | = (*I)->getSpecializedTemplate()->getTemplateParameters(); |
701 | 11 | const TemplateArgumentList &Args = (*I)->getTemplateArgs(); |
702 | 11 | assert(Params->size() == Args.size()); |
703 | 23 | for (unsigned i = 0, numParams = Params->size(); i != numParams; ++i12 ) { |
704 | 12 | StringRef Param = Params->getParam(i)->getName(); |
705 | 12 | if (Param.empty()) continue0 ; |
706 | 12 | TOut << Param << " = "; |
707 | 12 | Args.get(i).print(Policy, TOut); |
708 | 12 | TOut << ", "; |
709 | 12 | } |
710 | 11 | } |
711 | | |
712 | 1.93k | FunctionTemplateSpecializationInfo *FSI |
713 | 1.93k | = FD->getTemplateSpecializationInfo(); |
714 | 1.93k | if (FSI && !FSI->isExplicitSpecialization()24 ) { |
715 | 23 | const TemplateParameterList* Params |
716 | 23 | = FSI->getTemplate()->getTemplateParameters(); |
717 | 23 | const TemplateArgumentList* Args = FSI->TemplateArguments; |
718 | 23 | assert(Params->size() == Args->size()); |
719 | 56 | for (unsigned i = 0, e = Params->size(); i != e; ++i33 ) { |
720 | 33 | StringRef Param = Params->getParam(i)->getName(); |
721 | 33 | if (Param.empty()) continue1 ; |
722 | 32 | TOut << Param << " = "; |
723 | 32 | Args->get(i).print(Policy, TOut); |
724 | 32 | TOut << ", "; |
725 | 32 | } |
726 | 23 | } |
727 | | |
728 | 1.93k | TOut.flush(); |
729 | 1.93k | if (!TemplateParams.empty()) { |
730 | | // remove the trailing comma and space |
731 | 32 | TemplateParams.resize(TemplateParams.size() - 2); |
732 | 32 | POut << " [" << TemplateParams << "]"; |
733 | 32 | } |
734 | | |
735 | 1.93k | POut.flush(); |
736 | | |
737 | | // Print "auto" for all deduced return types. This includes C++1y return |
738 | | // type deduction and lambdas. For trailing return types resolve the |
739 | | // decltype expression. Otherwise print the real type when this is |
740 | | // not a constructor or destructor. |
741 | 1.93k | if (isa<CXXMethodDecl>(FD) && |
742 | 1.84k | cast<CXXMethodDecl>(FD)->getParent()->isLambda()) |
743 | 6 | Proto = "auto " + Proto; |
744 | 1.92k | else if (FT && FT->getReturnType()->getAs<DecltypeType>()1.90k ) |
745 | 1 | FT->getReturnType() |
746 | 1 | ->getAs<DecltypeType>() |
747 | 1 | ->getUnderlyingType() |
748 | 1 | .getAsStringInternal(Proto, Policy); |
749 | 1.92k | else if (!isa<CXXConstructorDecl>(FD) && !isa<CXXDestructorDecl>(FD)1.91k ) |
750 | 1.77k | AFT->getReturnType().getAsStringInternal(Proto, Policy); |
751 | | |
752 | 1.93k | Out << Proto; |
753 | | |
754 | 1.93k | return std::string(Name); |
755 | 1.93k | } |
756 | 171 | if (const CapturedDecl *CD = dyn_cast<CapturedDecl>(CurrentDecl)) { |
757 | 22 | for (const DeclContext *DC = CD->getParent(); DC; DC = DC->getParent()3 ) |
758 | | // Skip to its enclosing function or method, but not its enclosing |
759 | | // CapturedDecl. |
760 | 22 | if (DC->isFunctionOrMethod() && (DC->getDeclKind() != Decl::Captured)) { |
761 | 19 | const Decl *D = Decl::castFromDeclContext(DC); |
762 | 19 | return ComputeName(IK, D); |
763 | 19 | } |
764 | 0 | llvm_unreachable("CapturedDecl not inside a function or method"); |
765 | 152 | } |
766 | 152 | if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(CurrentDecl)) { |
767 | 108 | SmallString<256> Name; |
768 | 108 | llvm::raw_svector_ostream Out(Name); |
769 | 92 | Out << (MD->isInstanceMethod() ? '-' : '+'16 ); |
770 | 108 | Out << '['; |
771 | | |
772 | | // For incorrect code, there might not be an ObjCInterfaceDecl. Do |
773 | | // a null check to avoid a crash. |
774 | 108 | if (const ObjCInterfaceDecl *ID = MD->getClassInterface()) |
775 | 107 | Out << *ID; |
776 | | |
777 | 108 | if (const ObjCCategoryImplDecl *CID = |
778 | 7 | dyn_cast<ObjCCategoryImplDecl>(MD->getDeclContext())) |
779 | 7 | Out << '(' << *CID << ')'; |
780 | | |
781 | 108 | Out << ' '; |
782 | 108 | MD->getSelector().print(Out); |
783 | 108 | Out << ']'; |
784 | | |
785 | 108 | return std::string(Name); |
786 | 108 | } |
787 | 44 | if (isa<TranslationUnitDecl>(CurrentDecl) && IK == PrettyFunction20 ) { |
788 | | // __PRETTY_FUNCTION__ -> "top level", the others produce an empty string. |
789 | 2 | return "top level"; |
790 | 2 | } |
791 | 42 | return ""; |
792 | 42 | } |
793 | | |
794 | | void APNumericStorage::setIntValue(const ASTContext &C, |
795 | 10.7M | const llvm::APInt &Val) { |
796 | 10.7M | if (hasAllocation()) |
797 | 0 | C.Deallocate(pVal); |
798 | | |
799 | 10.7M | BitWidth = Val.getBitWidth(); |
800 | 10.7M | unsigned NumWords = Val.getNumWords(); |
801 | 10.7M | const uint64_t* Words = Val.getRawData(); |
802 | 10.7M | if (NumWords > 1) { |
803 | 3.39k | pVal = new (C) uint64_t[NumWords]; |
804 | 3.39k | std::copy(Words, Words + NumWords, pVal); |
805 | 10.7M | } else if (NumWords == 1) |
806 | 10.7M | VAL = Words[0]; |
807 | 0 | else |
808 | 0 | VAL = 0; |
809 | 10.7M | } |
810 | | |
811 | | IntegerLiteral::IntegerLiteral(const ASTContext &C, const llvm::APInt &V, |
812 | | QualType type, SourceLocation l) |
813 | 10.3M | : Expr(IntegerLiteralClass, type, VK_RValue, OK_Ordinary), Loc(l) { |
814 | 10.3M | assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); |
815 | 10.3M | assert(V.getBitWidth() == C.getIntWidth(type) && |
816 | 10.3M | "Integer type is not the correct size for constant."); |
817 | 10.3M | setValue(C, V); |
818 | 10.3M | setDependence(ExprDependence::None); |
819 | 10.3M | } |
820 | | |
821 | | IntegerLiteral * |
822 | | IntegerLiteral::Create(const ASTContext &C, const llvm::APInt &V, |
823 | 10.3M | QualType type, SourceLocation l) { |
824 | 10.3M | return new (C) IntegerLiteral(C, V, type, l); |
825 | 10.3M | } |
826 | | |
827 | | IntegerLiteral * |
828 | 311k | IntegerLiteral::Create(const ASTContext &C, EmptyShell Empty) { |
829 | 311k | return new (C) IntegerLiteral(Empty); |
830 | 311k | } |
831 | | |
832 | | FixedPointLiteral::FixedPointLiteral(const ASTContext &C, const llvm::APInt &V, |
833 | | QualType type, SourceLocation l, |
834 | | unsigned Scale) |
835 | | : Expr(FixedPointLiteralClass, type, VK_RValue, OK_Ordinary), Loc(l), |
836 | 816 | Scale(Scale) { |
837 | 816 | assert(type->isFixedPointType() && "Illegal type in FixedPointLiteral"); |
838 | 816 | assert(V.getBitWidth() == C.getTypeInfo(type).Width && |
839 | 816 | "Fixed point type is not the correct size for constant."); |
840 | 816 | setValue(C, V); |
841 | 816 | setDependence(ExprDependence::None); |
842 | 816 | } |
843 | | |
844 | | FixedPointLiteral *FixedPointLiteral::CreateFromRawInt(const ASTContext &C, |
845 | | const llvm::APInt &V, |
846 | | QualType type, |
847 | | SourceLocation l, |
848 | 808 | unsigned Scale) { |
849 | 808 | return new (C) FixedPointLiteral(C, V, type, l, Scale); |
850 | 808 | } |
851 | | |
852 | | FixedPointLiteral *FixedPointLiteral::Create(const ASTContext &C, |
853 | 56 | EmptyShell Empty) { |
854 | 56 | return new (C) FixedPointLiteral(Empty); |
855 | 56 | } |
856 | | |
857 | 128 | std::string FixedPointLiteral::getValueAsString(unsigned Radix) const { |
858 | | // Currently the longest decimal number that can be printed is the max for an |
859 | | // unsigned long _Accum: 4294967295.99999999976716935634613037109375 |
860 | | // which is 43 characters. |
861 | 128 | SmallString<64> S; |
862 | 128 | FixedPointValueToString( |
863 | 128 | S, llvm::APSInt::getUnsigned(getValue().getZExtValue()), Scale); |
864 | 128 | return std::string(S.str()); |
865 | 128 | } |
866 | | |
867 | | FloatingLiteral::FloatingLiteral(const ASTContext &C, const llvm::APFloat &V, |
868 | | bool isexact, QualType Type, SourceLocation L) |
869 | 37.2k | : Expr(FloatingLiteralClass, Type, VK_RValue, OK_Ordinary), Loc(L) { |
870 | 37.2k | setSemantics(V.getSemantics()); |
871 | 37.2k | FloatingLiteralBits.IsExact = isexact; |
872 | 37.2k | setValue(C, V); |
873 | 37.2k | setDependence(ExprDependence::None); |
874 | 37.2k | } |
875 | | |
876 | | FloatingLiteral::FloatingLiteral(const ASTContext &C, EmptyShell Empty) |
877 | 1.55k | : Expr(FloatingLiteralClass, Empty) { |
878 | 1.55k | setRawSemantics(llvm::APFloatBase::S_IEEEhalf); |
879 | 1.55k | FloatingLiteralBits.IsExact = false; |
880 | 1.55k | } |
881 | | |
882 | | FloatingLiteral * |
883 | | FloatingLiteral::Create(const ASTContext &C, const llvm::APFloat &V, |
884 | 37.2k | bool isexact, QualType Type, SourceLocation L) { |
885 | 37.2k | return new (C) FloatingLiteral(C, V, isexact, Type, L); |
886 | 37.2k | } |
887 | | |
888 | | FloatingLiteral * |
889 | 1.55k | FloatingLiteral::Create(const ASTContext &C, EmptyShell Empty) { |
890 | 1.55k | return new (C) FloatingLiteral(C, Empty); |
891 | 1.55k | } |
892 | | |
893 | | /// getValueAsApproximateDouble - This returns the value as an inaccurate |
894 | | /// double. Note that this may cause loss of precision, but is useful for |
895 | | /// debugging dumps, etc. |
896 | 176 | double FloatingLiteral::getValueAsApproximateDouble() const { |
897 | 176 | llvm::APFloat V = getValue(); |
898 | 176 | bool ignored; |
899 | 176 | V.convert(llvm::APFloat::IEEEdouble(), llvm::APFloat::rmNearestTiesToEven, |
900 | 176 | &ignored); |
901 | 176 | return V.convertToDouble(); |
902 | 176 | } |
903 | | |
904 | | unsigned StringLiteral::mapCharByteWidth(TargetInfo const &Target, |
905 | 4.08M | StringKind SK) { |
906 | 4.08M | unsigned CharByteWidth = 0; |
907 | 4.08M | switch (SK) { |
908 | 4.08M | case Ascii: |
909 | 4.08M | case UTF8: |
910 | 4.08M | CharByteWidth = Target.getCharWidth(); |
911 | 4.08M | break; |
912 | 1.09k | case Wide: |
913 | 1.09k | CharByteWidth = Target.getWCharWidth(); |
914 | 1.09k | break; |
915 | 131 | case UTF16: |
916 | 131 | CharByteWidth = Target.getChar16Width(); |
917 | 131 | break; |
918 | 127 | case UTF32: |
919 | 127 | CharByteWidth = Target.getChar32Width(); |
920 | 127 | break; |
921 | 4.08M | } |
922 | 4.08M | assert((CharByteWidth & 7) == 0 && "Assumes character size is byte multiple"); |
923 | 4.08M | CharByteWidth /= 8; |
924 | 4.08M | assert((CharByteWidth == 1 || CharByteWidth == 2 || CharByteWidth == 4) && |
925 | 4.08M | "The only supported character byte widths are 1,2 and 4!"); |
926 | 4.08M | return CharByteWidth; |
927 | 4.08M | } |
928 | | |
929 | | StringLiteral::StringLiteral(const ASTContext &Ctx, StringRef Str, |
930 | | StringKind Kind, bool Pascal, QualType Ty, |
931 | | const SourceLocation *Loc, |
932 | | unsigned NumConcatenated) |
933 | 4.07M | : Expr(StringLiteralClass, Ty, VK_LValue, OK_Ordinary) { |
934 | 4.07M | assert(Ctx.getAsConstantArrayType(Ty) && |
935 | 4.07M | "StringLiteral must be of constant array type!"); |
936 | 4.07M | unsigned CharByteWidth = mapCharByteWidth(Ctx.getTargetInfo(), Kind); |
937 | 4.07M | unsigned ByteLength = Str.size(); |
938 | 4.07M | assert((ByteLength % CharByteWidth == 0) && |
939 | 4.07M | "The size of the data must be a multiple of CharByteWidth!"); |
940 | | |
941 | | // Avoid the expensive division. The compiler should be able to figure it |
942 | | // out by itself. However as of clang 7, even with the appropriate |
943 | | // llvm_unreachable added just here, it is not able to do so. |
944 | 4.07M | unsigned Length; |
945 | 4.07M | switch (CharByteWidth) { |
946 | 4.06M | case 1: |
947 | 4.06M | Length = ByteLength; |
948 | 4.06M | break; |
949 | 445 | case 2: |
950 | 445 | Length = ByteLength / 2; |
951 | 445 | break; |
952 | 902 | case 4: |
953 | 902 | Length = ByteLength / 4; |
954 | 902 | break; |
955 | 0 | default: |
956 | 0 | llvm_unreachable("Unsupported character width!"); |
957 | 4.07M | } |
958 | | |
959 | 4.07M | StringLiteralBits.Kind = Kind; |
960 | 4.07M | StringLiteralBits.CharByteWidth = CharByteWidth; |
961 | 4.07M | StringLiteralBits.IsPascal = Pascal; |
962 | 4.07M | StringLiteralBits.NumConcatenated = NumConcatenated; |
963 | 4.07M | *getTrailingObjects<unsigned>() = Length; |
964 | | |
965 | | // Initialize the trailing array of SourceLocation. |
966 | | // This is safe since SourceLocation is POD-like. |
967 | 4.07M | std::memcpy(getTrailingObjects<SourceLocation>(), Loc, |
968 | 4.07M | NumConcatenated * sizeof(SourceLocation)); |
969 | | |
970 | | // Initialize the trailing array of char holding the string data. |
971 | 4.07M | std::memcpy(getTrailingObjects<char>(), Str.data(), ByteLength); |
972 | | |
973 | 4.07M | setDependence(ExprDependence::None); |
974 | 4.07M | } |
975 | | |
976 | | StringLiteral::StringLiteral(EmptyShell Empty, unsigned NumConcatenated, |
977 | | unsigned Length, unsigned CharByteWidth) |
978 | 12.8k | : Expr(StringLiteralClass, Empty) { |
979 | 12.8k | StringLiteralBits.CharByteWidth = CharByteWidth; |
980 | 12.8k | StringLiteralBits.NumConcatenated = NumConcatenated; |
981 | 12.8k | *getTrailingObjects<unsigned>() = Length; |
982 | 12.8k | } |
983 | | |
984 | | StringLiteral *StringLiteral::Create(const ASTContext &Ctx, StringRef Str, |
985 | | StringKind Kind, bool Pascal, QualType Ty, |
986 | | const SourceLocation *Loc, |
987 | 4.07M | unsigned NumConcatenated) { |
988 | 4.07M | void *Mem = Ctx.Allocate(totalSizeToAlloc<unsigned, SourceLocation, char>( |
989 | 4.07M | 1, NumConcatenated, Str.size()), |
990 | 4.07M | alignof(StringLiteral)); |
991 | 4.07M | return new (Mem) |
992 | 4.07M | StringLiteral(Ctx, Str, Kind, Pascal, Ty, Loc, NumConcatenated); |
993 | 4.07M | } |
994 | | |
995 | | StringLiteral *StringLiteral::CreateEmpty(const ASTContext &Ctx, |
996 | | unsigned NumConcatenated, |
997 | | unsigned Length, |
998 | 12.8k | unsigned CharByteWidth) { |
999 | 12.8k | void *Mem = Ctx.Allocate(totalSizeToAlloc<unsigned, SourceLocation, char>( |
1000 | 12.8k | 1, NumConcatenated, Length * CharByteWidth), |
1001 | 12.8k | alignof(StringLiteral)); |
1002 | 12.8k | return new (Mem) |
1003 | 12.8k | StringLiteral(EmptyShell(), NumConcatenated, Length, CharByteWidth); |
1004 | 12.8k | } |
1005 | | |
1006 | 1.03k | void StringLiteral::outputString(raw_ostream &OS) const { |
1007 | 1.03k | switch (getKind()) { |
1008 | 982 | case Ascii: break; // no prefix. |
1009 | 27 | case Wide: OS << 'L'; break; |
1010 | 9 | case UTF8: OS << "u8"; break; |
1011 | 8 | case UTF16: OS << 'u'; break; |
1012 | 7 | case UTF32: OS << 'U'; break; |
1013 | 1.03k | } |
1014 | 1.03k | OS << '"'; |
1015 | 1.03k | static const char Hex[] = "0123456789ABCDEF"; |
1016 | | |
1017 | 1.03k | unsigned LastSlashX = getLength(); |
1018 | 10.9k | for (unsigned I = 0, N = getLength(); I != N; ++I9.88k ) { |
1019 | 9.88k | switch (uint32_t Char = getCodeUnit(I)) { |
1020 | 9.78k | default: |
1021 | | // FIXME: Convert UTF-8 back to codepoints before rendering. |
1022 | | |
1023 | | // Convert UTF-16 surrogate pairs back to codepoints before rendering. |
1024 | | // Leave invalid surrogates alone; we'll use \x for those. |
1025 | 9.78k | if (getKind() == UTF16 && I != N - 132 && Char >= 0xd80025 && |
1026 | 1 | Char <= 0xdbff) { |
1027 | 1 | uint32_t Trail = getCodeUnit(I + 1); |
1028 | 1 | if (Trail >= 0xdc00 && Trail <= 0xdfff) { |
1029 | 1 | Char = 0x10000 + ((Char - 0xd800) << 10) + (Trail - 0xdc00); |
1030 | 1 | ++I; |
1031 | 1 | } |
1032 | 1 | } |
1033 | | |
1034 | 9.78k | if (Char > 0xff) { |
1035 | | // If this is a wide string, output characters over 0xff using \x |
1036 | | // escapes. Otherwise, this is a UTF-16 or UTF-32 string, and Char is a |
1037 | | // codepoint: use \x escapes for invalid codepoints. |
1038 | 26 | if (getKind() == Wide || |
1039 | 13 | (Char >= 0xd800 && Char <= 0xdfff5 ) || Char >= 0x110000) { |
1040 | | // FIXME: Is this the best way to print wchar_t? |
1041 | 13 | OS << "\\x"; |
1042 | 13 | int Shift = 28; |
1043 | 46 | while ((Char >> Shift) == 0) |
1044 | 33 | Shift -= 4; |
1045 | 84 | for (/**/; Shift >= 0; Shift -= 471 ) |
1046 | 71 | OS << Hex[(Char >> Shift) & 15]; |
1047 | 13 | LastSlashX = I; |
1048 | 13 | break; |
1049 | 13 | } |
1050 | | |
1051 | 13 | if (Char > 0xffff) |
1052 | 5 | OS << "\\U00" |
1053 | 5 | << Hex[(Char >> 20) & 15] |
1054 | 5 | << Hex[(Char >> 16) & 15]; |
1055 | 8 | else |
1056 | 8 | OS << "\\u"; |
1057 | 13 | OS << Hex[(Char >> 12) & 15] |
1058 | 13 | << Hex[(Char >> 8) & 15] |
1059 | 13 | << Hex[(Char >> 4) & 15] |
1060 | 13 | << Hex[(Char >> 0) & 15]; |
1061 | 13 | break; |
1062 | 13 | } |
1063 | | |
1064 | | // If we used \x... for the previous character, and this character is a |
1065 | | // hexadecimal digit, prevent it being slurped as part of the \x. |
1066 | 9.75k | if (LastSlashX + 1 == I) { |
1067 | 3 | switch (Char) { |
1068 | 1 | case '0': case '1': case '2': case '3': case '4': |
1069 | 1 | case '5': case '6': case '7': case '8': case '9': |
1070 | 2 | case 'a': 1 case 'b': 1 case 'c': 1 case 'd': 1 case 'e': 1 case 'f': |
1071 | 2 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
1072 | 2 | OS << "\"\""; |
1073 | 3 | } |
1074 | 3 | } |
1075 | | |
1076 | 9.75k | assert(Char <= 0xff && |
1077 | 9.75k | "Characters above 0xff should already have been handled."); |
1078 | | |
1079 | 9.75k | if (isPrintable(Char)) |
1080 | 9.71k | OS << (char)Char; |
1081 | 39 | else // Output anything hard as an octal escape. |
1082 | 39 | OS << '\\' |
1083 | 39 | << (char)('0' + ((Char >> 6) & 7)) |
1084 | 39 | << (char)('0' + ((Char >> 3) & 7)) |
1085 | 39 | << (char)('0' + ((Char >> 0) & 7)); |
1086 | 9.75k | break; |
1087 | | // Handle some common non-printable cases to make dumps prettier. |
1088 | 26 | case '\\': OS << "\\\\"; break; |
1089 | 19 | case '"': OS << "\\\""; break; |
1090 | 18 | case '\a': OS << "\\a"; break; |
1091 | 18 | case '\b': OS << "\\b"; break; |
1092 | 2 | case '\f': OS << "\\f"; break; |
1093 | 2 | case '\n': OS << "\\n"; break; |
1094 | 2 | case '\r': OS << "\\r"; break; |
1095 | 18 | case '\t': OS << "\\t"; break; |
1096 | 2 | case '\v': OS << "\\v"; break; |
1097 | 9.88k | } |
1098 | 9.88k | } |
1099 | 1.03k | OS << '"'; |
1100 | 1.03k | } |
1101 | | |
1102 | | /// getLocationOfByte - Return a source location that points to the specified |
1103 | | /// byte of this string literal. |
1104 | | /// |
1105 | | /// Strings are amazingly complex. They can be formed from multiple tokens and |
1106 | | /// can have escape sequences in them in addition to the usual trigraph and |
1107 | | /// escaped newline business. This routine handles this complexity. |
1108 | | /// |
1109 | | /// The *StartToken sets the first token to be searched in this function and |
1110 | | /// the *StartTokenByteOffset is the byte offset of the first token. Before |
1111 | | /// returning, it updates the *StartToken to the TokNo of the token being found |
1112 | | /// and sets *StartTokenByteOffset to the byte offset of the token in the |
1113 | | /// string. |
1114 | | /// Using these two parameters can reduce the time complexity from O(n^2) to |
1115 | | /// O(n) if one wants to get the location of byte for all the tokens in a |
1116 | | /// string. |
1117 | | /// |
1118 | | SourceLocation |
1119 | | StringLiteral::getLocationOfByte(unsigned ByteNo, const SourceManager &SM, |
1120 | | const LangOptions &Features, |
1121 | | const TargetInfo &Target, unsigned *StartToken, |
1122 | 39.2k | unsigned *StartTokenByteOffset) const { |
1123 | 39.2k | assert((getKind() == StringLiteral::Ascii || |
1124 | 39.2k | getKind() == StringLiteral::UTF8) && |
1125 | 39.2k | "Only narrow string literals are currently supported"); |
1126 | | |
1127 | | // Loop over all of the tokens in this string until we find the one that |
1128 | | // contains the byte we're looking for. |
1129 | 39.2k | unsigned TokNo = 0; |
1130 | 39.2k | unsigned StringOffset = 0; |
1131 | 39.2k | if (StartToken) |
1132 | 26.7k | TokNo = *StartToken; |
1133 | 39.2k | if (StartTokenByteOffset) { |
1134 | 26.7k | StringOffset = *StartTokenByteOffset; |
1135 | 26.7k | ByteNo -= StringOffset; |
1136 | 26.7k | } |
1137 | 41.5k | while (1) { |
1138 | 41.5k | assert(TokNo < getNumConcatenated() && "Invalid byte number!"); |
1139 | 41.5k | SourceLocation StrTokLoc = getStrTokenLoc(TokNo); |
1140 | | |
1141 | | // Get the spelling of the string so that we can get the data that makes up |
1142 | | // the string literal, not the identifier for the macro it is potentially |
1143 | | // expanded through. |
1144 | 41.5k | SourceLocation StrTokSpellingLoc = SM.getSpellingLoc(StrTokLoc); |
1145 | | |
1146 | | // Re-lex the token to get its length and original spelling. |
1147 | 41.5k | std::pair<FileID, unsigned> LocInfo = |
1148 | 41.5k | SM.getDecomposedLoc(StrTokSpellingLoc); |
1149 | 41.5k | bool Invalid = false; |
1150 | 41.5k | StringRef Buffer = SM.getBufferData(LocInfo.first, &Invalid); |
1151 | 41.5k | if (Invalid) { |
1152 | 0 | if (StartTokenByteOffset != nullptr) |
1153 | 0 | *StartTokenByteOffset = StringOffset; |
1154 | 0 | if (StartToken != nullptr) |
1155 | 0 | *StartToken = TokNo; |
1156 | 0 | return StrTokSpellingLoc; |
1157 | 0 | } |
1158 | | |
1159 | 41.5k | const char *StrData = Buffer.data()+LocInfo.second; |
1160 | | |
1161 | | // Create a lexer starting at the beginning of this token. |
1162 | 41.5k | Lexer TheLexer(SM.getLocForStartOfFile(LocInfo.first), Features, |
1163 | 41.5k | Buffer.begin(), StrData, Buffer.end()); |
1164 | 41.5k | Token TheTok; |
1165 | 41.5k | TheLexer.LexFromRawLexer(TheTok); |
1166 | | |
1167 | | // Use the StringLiteralParser to compute the length of the string in bytes. |
1168 | 41.5k | StringLiteralParser SLP(TheTok, SM, Features, Target); |
1169 | 41.5k | unsigned TokNumBytes = SLP.GetStringLength(); |
1170 | | |
1171 | | // If the byte is in this token, return the location of the byte. |
1172 | 41.5k | if (ByteNo < TokNumBytes || |
1173 | 39.2k | (4.19k ByteNo == TokNumBytes4.19k && TokNo == getNumConcatenated() - 11.99k )) { |
1174 | 39.2k | unsigned Offset = SLP.getOffsetOfStringByte(TheTok, ByteNo); |
1175 | | |
1176 | | // Now that we know the offset of the token in the spelling, use the |
1177 | | // preprocessor to get the offset in the original source. |
1178 | 39.2k | if (StartTokenByteOffset != nullptr) |
1179 | 26.7k | *StartTokenByteOffset = StringOffset; |
1180 | 39.2k | if (StartToken != nullptr) |
1181 | 26.7k | *StartToken = TokNo; |
1182 | 39.2k | return Lexer::AdvanceToTokenCharacter(StrTokLoc, Offset, SM, Features); |
1183 | 39.2k | } |
1184 | | |
1185 | | // Move to the next string token. |
1186 | 2.29k | StringOffset += TokNumBytes; |
1187 | 2.29k | ++TokNo; |
1188 | 2.29k | ByteNo -= TokNumBytes; |
1189 | 2.29k | } |
1190 | 39.2k | } |
1191 | | |
1192 | | /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it |
1193 | | /// corresponds to, e.g. "sizeof" or "[pre]++". |
1194 | 27.4k | StringRef UnaryOperator::getOpcodeStr(Opcode Op) { |
1195 | 27.4k | switch (Op) { |
1196 | 27.4k | #define UNARY_OPERATION(Name, Spelling) case UO_##Name: return Spelling; |
1197 | 0 | #include "clang/AST/OperationKinds.def" |
1198 | 27.4k | } |
1199 | 27.4k | llvm_unreachable0 ("Unknown unary operator"); |
1200 | 27.4k | } |
1201 | | |
1202 | | UnaryOperatorKind |
1203 | 1.52k | UnaryOperator::getOverloadedOpcode(OverloadedOperatorKind OO, bool Postfix) { |
1204 | 1.52k | switch (OO) { |
1205 | 0 | default: llvm_unreachable("No unary operator for overloaded function"); |
1206 | 156 | case OO_PlusPlus: return Postfix ? UO_PostInc1 : UO_PreInc155 ; |
1207 | 0 | case OO_MinusMinus: return Postfix ? UO_PostDec : UO_PreDec; |
1208 | 267 | case OO_Amp: return UO_AddrOf; |
1209 | 1.01k | case OO_Star: return UO_Deref; |
1210 | 0 | case OO_Plus: return UO_Plus; |
1211 | 15 | case OO_Minus: return UO_Minus; |
1212 | 56 | case OO_Tilde: return UO_Not; |
1213 | 1 | case OO_Exclaim: return UO_LNot; |
1214 | 22 | case OO_Coawait: return UO_Coawait; |
1215 | 1.52k | } |
1216 | 1.52k | } |
1217 | | |
1218 | 2.87M | OverloadedOperatorKind UnaryOperator::getOverloadedOperator(Opcode Opc) { |
1219 | 2.87M | switch (Opc) { |
1220 | 492k | case UO_PostInc: 19.8k case UO_PreInc: return OO_PlusPlus; |
1221 | 143k | case UO_PostDec: 1.78k case UO_PreDec: return OO_MinusMinus; |
1222 | 238k | case UO_AddrOf: return OO_Amp; |
1223 | 1.20M | case UO_Deref: return OO_Star; |
1224 | 430 | case UO_Plus: return OO_Plus; |
1225 | 17.2k | case UO_Minus: return OO_Minus; |
1226 | 88.4k | case UO_Not: return OO_Tilde; |
1227 | 688k | case UO_LNot: return OO_Exclaim; |
1228 | 901 | case UO_Coawait: return OO_Coawait; |
1229 | 9 | default: return OO_None; |
1230 | 2.87M | } |
1231 | 2.87M | } |
1232 | | |
1233 | | |
1234 | | //===----------------------------------------------------------------------===// |
1235 | | // Postfix Operators. |
1236 | | //===----------------------------------------------------------------------===// |
1237 | | |
1238 | | CallExpr::CallExpr(StmtClass SC, Expr *Fn, ArrayRef<Expr *> PreArgs, |
1239 | | ArrayRef<Expr *> Args, QualType Ty, ExprValueKind VK, |
1240 | | SourceLocation RParenLoc, FPOptionsOverride FPFeatures, |
1241 | | unsigned MinNumArgs, ADLCallKind UsesADL) |
1242 | 6.68M | : Expr(SC, Ty, VK, OK_Ordinary), RParenLoc(RParenLoc) { |
1243 | 6.68M | NumArgs = std::max<unsigned>(Args.size(), MinNumArgs); |
1244 | 6.68M | unsigned NumPreArgs = PreArgs.size(); |
1245 | 6.68M | CallExprBits.NumPreArgs = NumPreArgs; |
1246 | 6.68M | assert((NumPreArgs == getNumPreArgs()) && "NumPreArgs overflow!"); |
1247 | | |
1248 | 6.68M | unsigned OffsetToTrailingObjects = offsetToTrailingObjects(SC); |
1249 | 6.68M | CallExprBits.OffsetToTrailingObjects = OffsetToTrailingObjects; |
1250 | 6.68M | assert((CallExprBits.OffsetToTrailingObjects == OffsetToTrailingObjects) && |
1251 | 6.68M | "OffsetToTrailingObjects overflow!"); |
1252 | | |
1253 | 6.68M | CallExprBits.UsesADL = static_cast<bool>(UsesADL); |
1254 | | |
1255 | 6.68M | setCallee(Fn); |
1256 | 6.68M | for (unsigned I = 0; I != NumPreArgs; ++I120 ) |
1257 | 120 | setPreArg(I, PreArgs[I]); |
1258 | 17.3M | for (unsigned I = 0; I != Args.size(); ++I10.6M ) |
1259 | 10.6M | setArg(I, Args[I]); |
1260 | 6.69M | for (unsigned I = Args.size(); I != NumArgs; ++I9.50k ) |
1261 | 9.50k | setArg(I, nullptr); |
1262 | | |
1263 | 6.68M | setDependence(computeDependence(this, PreArgs)); |
1264 | | |
1265 | 6.68M | CallExprBits.HasFPFeatures = FPFeatures.requiresTrailingStorage(); |
1266 | 6.68M | if (hasStoredFPFeatures()) |
1267 | 3.74k | setStoredFPFeatures(FPFeatures); |
1268 | 6.68M | } |
1269 | | |
1270 | | CallExpr::CallExpr(StmtClass SC, unsigned NumPreArgs, unsigned NumArgs, |
1271 | | bool HasFPFeatures, EmptyShell Empty) |
1272 | 616k | : Expr(SC, Empty), NumArgs(NumArgs) { |
1273 | 616k | CallExprBits.NumPreArgs = NumPreArgs; |
1274 | 616k | assert((NumPreArgs == getNumPreArgs()) && "NumPreArgs overflow!"); |
1275 | | |
1276 | 616k | unsigned OffsetToTrailingObjects = offsetToTrailingObjects(SC); |
1277 | 616k | CallExprBits.OffsetToTrailingObjects = OffsetToTrailingObjects; |
1278 | 616k | assert((CallExprBits.OffsetToTrailingObjects == OffsetToTrailingObjects) && |
1279 | 616k | "OffsetToTrailingObjects overflow!"); |
1280 | 616k | CallExprBits.HasFPFeatures = HasFPFeatures; |
1281 | 616k | } |
1282 | | |
1283 | | CallExpr *CallExpr::Create(const ASTContext &Ctx, Expr *Fn, |
1284 | | ArrayRef<Expr *> Args, QualType Ty, ExprValueKind VK, |
1285 | | SourceLocation RParenLoc, |
1286 | | FPOptionsOverride FPFeatures, unsigned MinNumArgs, |
1287 | 5.07M | ADLCallKind UsesADL) { |
1288 | 5.07M | unsigned NumArgs = std::max<unsigned>(Args.size(), MinNumArgs); |
1289 | 5.07M | unsigned SizeOfTrailingObjects = CallExpr::sizeOfTrailingObjects( |
1290 | 5.07M | /*NumPreArgs=*/0, NumArgs, FPFeatures.requiresTrailingStorage()); |
1291 | 5.07M | void *Mem = |
1292 | 5.07M | Ctx.Allocate(sizeof(CallExpr) + SizeOfTrailingObjects, alignof(CallExpr)); |
1293 | 5.07M | return new (Mem) CallExpr(CallExprClass, Fn, /*PreArgs=*/{}, Args, Ty, VK, |
1294 | 5.07M | RParenLoc, FPFeatures, MinNumArgs, UsesADL); |
1295 | 5.07M | } |
1296 | | |
1297 | | CallExpr *CallExpr::CreateTemporary(void *Mem, Expr *Fn, QualType Ty, |
1298 | | ExprValueKind VK, SourceLocation RParenLoc, |
1299 | 505k | ADLCallKind UsesADL) { |
1300 | 505k | assert(!(reinterpret_cast<uintptr_t>(Mem) % alignof(CallExpr)) && |
1301 | 505k | "Misaligned memory in CallExpr::CreateTemporary!"); |
1302 | 505k | return new (Mem) CallExpr(CallExprClass, Fn, /*PreArgs=*/{}, /*Args=*/{}, Ty, |
1303 | 505k | VK, RParenLoc, FPOptionsOverride(), |
1304 | 505k | /*MinNumArgs=*/0, UsesADL); |
1305 | 505k | } |
1306 | | |
1307 | | CallExpr *CallExpr::CreateEmpty(const ASTContext &Ctx, unsigned NumArgs, |
1308 | 422k | bool HasFPFeatures, EmptyShell Empty) { |
1309 | 422k | unsigned SizeOfTrailingObjects = |
1310 | 422k | CallExpr::sizeOfTrailingObjects(/*NumPreArgs=*/0, NumArgs, HasFPFeatures); |
1311 | 422k | void *Mem = |
1312 | 422k | Ctx.Allocate(sizeof(CallExpr) + SizeOfTrailingObjects, alignof(CallExpr)); |
1313 | 422k | return new (Mem) |
1314 | 422k | CallExpr(CallExprClass, /*NumPreArgs=*/0, NumArgs, HasFPFeatures, Empty); |
1315 | 422k | } |
1316 | | |
1317 | 7.30M | unsigned CallExpr::offsetToTrailingObjects(StmtClass SC) { |
1318 | 7.30M | switch (SC) { |
1319 | 5.99M | case CallExprClass: |
1320 | 5.99M | return sizeof(CallExpr); |
1321 | 1.08M | case CXXOperatorCallExprClass: |
1322 | 1.08M | return sizeof(CXXOperatorCallExpr); |
1323 | 217k | case CXXMemberCallExprClass: |
1324 | 217k | return sizeof(CXXMemberCallExpr); |
1325 | 284 | case UserDefinedLiteralClass: |
1326 | 284 | return sizeof(UserDefinedLiteral); |
1327 | 121 | case CUDAKernelCallExprClass: |
1328 | 121 | return sizeof(CUDAKernelCallExpr); |
1329 | 0 | default: |
1330 | 0 | llvm_unreachable("unexpected class deriving from CallExpr!"); |
1331 | 7.30M | } |
1332 | 7.30M | } |
1333 | | |
1334 | 13.0M | Decl *Expr::getReferencedDeclOfCallee() { |
1335 | 13.0M | Expr *CEE = IgnoreParenImpCasts(); |
1336 | | |
1337 | 13.0M | while (SubstNonTypeTemplateParmExpr *NTTP = |
1338 | 0 | dyn_cast<SubstNonTypeTemplateParmExpr>(CEE)) { |
1339 | 0 | CEE = NTTP->getReplacement()->IgnoreParenImpCasts(); |
1340 | 0 | } |
1341 | | |
1342 | | // If we're calling a dereference, look at the pointer instead. |
1343 | 13.0M | while (true) { |
1344 | 13.0M | if (BinaryOperator *BO = dyn_cast<BinaryOperator>(CEE)) { |
1345 | 1.95k | if (BO->isPtrMemOp()) { |
1346 | 1.91k | CEE = BO->getRHS()->IgnoreParenImpCasts(); |
1347 | 1.91k | continue; |
1348 | 1.91k | } |
1349 | 13.0M | } else if (UnaryOperator *UO = dyn_cast<UnaryOperator>(CEE)) { |
1350 | 16.6k | if (UO->getOpcode() == UO_Deref || UO->getOpcode() == UO_AddrOf339 || |
1351 | 16.6k | UO->getOpcode() == UO_Plus4 ) { |
1352 | 16.6k | CEE = UO->getSubExpr()->IgnoreParenImpCasts(); |
1353 | 16.6k | continue; |
1354 | 16.6k | } |
1355 | 13.0M | } |
1356 | 13.0M | break; |
1357 | 13.0M | } |
1358 | | |
1359 | 13.0M | if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CEE)) |
1360 | 11.5M | return DRE->getDecl(); |
1361 | 1.43M | if (MemberExpr *ME = dyn_cast<MemberExpr>(CEE)) |
1362 | 1.30M | return ME->getMemberDecl(); |
1363 | 131k | if (auto *BE = dyn_cast<BlockExpr>(CEE)) |
1364 | 2.34k | return BE->getBlockDecl(); |
1365 | | |
1366 | 128k | return nullptr; |
1367 | 128k | } |
1368 | | |
1369 | | /// If this is a call to a builtin, return the builtin ID. If not, return 0. |
1370 | 3.61M | unsigned CallExpr::getBuiltinCallee() const { |
1371 | 3.61M | auto *FDecl = |
1372 | 3.61M | dyn_cast_or_null<FunctionDecl>(getCallee()->getReferencedDeclOfCallee()); |
1373 | 3.57M | return FDecl ? FDecl->getBuiltinID() : 030.9k ; |
1374 | 3.61M | } |
1375 | | |
1376 | 3.19M | bool CallExpr::isUnevaluatedBuiltinCall(const ASTContext &Ctx) const { |
1377 | 3.19M | if (unsigned BI = getBuiltinCallee()) |
1378 | 1.45M | return Ctx.BuiltinInfo.isUnevaluated(BI); |
1379 | 1.74M | return false; |
1380 | 1.74M | } |
1381 | | |
1382 | 1.23M | QualType CallExpr::getCallReturnType(const ASTContext &Ctx) const { |
1383 | 1.23M | const Expr *Callee = getCallee(); |
1384 | 1.23M | QualType CalleeType = Callee->getType(); |
1385 | 1.23M | if (const auto *FnTypePtr = CalleeType->getAs<PointerType>()) { |
1386 | 1.01M | CalleeType = FnTypePtr->getPointeeType(); |
1387 | 220k | } else if (const auto *BPT = CalleeType->getAs<BlockPointerType>()) { |
1388 | 1.55k | CalleeType = BPT->getPointeeType(); |
1389 | 218k | } else if (CalleeType->isSpecificPlaceholderType(BuiltinType::BoundMember)) { |
1390 | 217k | if (isa<CXXPseudoDestructorExpr>(Callee->IgnoreParens())) |
1391 | 183 | return Ctx.VoidTy; |
1392 | | |
1393 | | // This should never be overloaded and so should never return null. |
1394 | 217k | CalleeType = Expr::findBoundMemberType(Callee); |
1395 | 217k | } |
1396 | | |
1397 | 1.23M | const FunctionType *FnType = CalleeType->castAs<FunctionType>(); |
1398 | 1.23M | return FnType->getReturnType(); |
1399 | 1.23M | } |
1400 | | |
1401 | 434k | const Attr *CallExpr::getUnusedResultAttr(const ASTContext &Ctx) const { |
1402 | | // If the return type is a struct, union, or enum that is marked nodiscard, |
1403 | | // then return the return type attribute. |
1404 | 434k | if (const TagDecl *TD = getCallReturnType(Ctx)->getAsTagDecl()) |
1405 | 7.38k | if (const auto *A = TD->getAttr<WarnUnusedResultAttr>()) |
1406 | 92 | return A; |
1407 | | |
1408 | | // Otherwise, see if the callee is marked nodiscard and return that attribute |
1409 | | // instead. |
1410 | 434k | const Decl *D = getCalleeDecl(); |
1411 | 434k | return D ? D->getAttr<WarnUnusedResultAttr>() : nullptr0 ; |
1412 | 434k | } |
1413 | | |
1414 | 20.6M | SourceLocation CallExpr::getBeginLoc() const { |
1415 | 20.6M | if (isa<CXXOperatorCallExpr>(this)) |
1416 | 35 | return cast<CXXOperatorCallExpr>(this)->getBeginLoc(); |
1417 | | |
1418 | 20.6M | SourceLocation begin = getCallee()->getBeginLoc(); |
1419 | 20.6M | if (begin.isInvalid() && getNumArgs() > 0985 && getArg(0)898 ) |
1420 | 898 | begin = getArg(0)->getBeginLoc(); |
1421 | 20.6M | return begin; |
1422 | 20.6M | } |
1423 | 2.48M | SourceLocation CallExpr::getEndLoc() const { |
1424 | 2.48M | if (isa<CXXOperatorCallExpr>(this)) |
1425 | 0 | return cast<CXXOperatorCallExpr>(this)->getEndLoc(); |
1426 | | |
1427 | 2.48M | SourceLocation end = getRParenLoc(); |
1428 | 2.48M | if (end.isInvalid() && getNumArgs() > 00 && getArg(getNumArgs() - 1)0 ) |
1429 | 0 | end = getArg(getNumArgs() - 1)->getEndLoc(); |
1430 | 2.48M | return end; |
1431 | 2.48M | } |
1432 | | |
1433 | | OffsetOfExpr *OffsetOfExpr::Create(const ASTContext &C, QualType type, |
1434 | | SourceLocation OperatorLoc, |
1435 | | TypeSourceInfo *tsi, |
1436 | | ArrayRef<OffsetOfNode> comps, |
1437 | | ArrayRef<Expr*> exprs, |
1438 | 327 | SourceLocation RParenLoc) { |
1439 | 327 | void *Mem = C.Allocate( |
1440 | 327 | totalSizeToAlloc<OffsetOfNode, Expr *>(comps.size(), exprs.size())); |
1441 | | |
1442 | 327 | return new (Mem) OffsetOfExpr(C, type, OperatorLoc, tsi, comps, exprs, |
1443 | 327 | RParenLoc); |
1444 | 327 | } |
1445 | | |
1446 | | OffsetOfExpr *OffsetOfExpr::CreateEmpty(const ASTContext &C, |
1447 | 3 | unsigned numComps, unsigned numExprs) { |
1448 | 3 | void *Mem = |
1449 | 3 | C.Allocate(totalSizeToAlloc<OffsetOfNode, Expr *>(numComps, numExprs)); |
1450 | 3 | return new (Mem) OffsetOfExpr(numComps, numExprs); |
1451 | 3 | } |
1452 | | |
1453 | | OffsetOfExpr::OffsetOfExpr(const ASTContext &C, QualType type, |
1454 | | SourceLocation OperatorLoc, TypeSourceInfo *tsi, |
1455 | | ArrayRef<OffsetOfNode> comps, ArrayRef<Expr *> exprs, |
1456 | | SourceLocation RParenLoc) |
1457 | | : Expr(OffsetOfExprClass, type, VK_RValue, OK_Ordinary), |
1458 | | OperatorLoc(OperatorLoc), RParenLoc(RParenLoc), TSInfo(tsi), |
1459 | 327 | NumComps(comps.size()), NumExprs(exprs.size()) { |
1460 | 736 | for (unsigned i = 0; i != comps.size(); ++i409 ) |
1461 | 409 | setComponent(i, comps[i]); |
1462 | 368 | for (unsigned i = 0; i != exprs.size(); ++i41 ) |
1463 | 41 | setIndexExpr(i, exprs[i]); |
1464 | | |
1465 | 327 | setDependence(computeDependence(this)); |
1466 | 327 | } |
1467 | | |
1468 | 17 | IdentifierInfo *OffsetOfNode::getFieldName() const { |
1469 | 17 | assert(getKind() == Field || getKind() == Identifier); |
1470 | 17 | if (getKind() == Field) |
1471 | 2 | return getField()->getIdentifier(); |
1472 | | |
1473 | 15 | return reinterpret_cast<IdentifierInfo *> (Data & ~(uintptr_t)Mask); |
1474 | 15 | } |
1475 | | |
1476 | | UnaryExprOrTypeTraitExpr::UnaryExprOrTypeTraitExpr( |
1477 | | UnaryExprOrTypeTrait ExprKind, Expr *E, QualType resultType, |
1478 | | SourceLocation op, SourceLocation rp) |
1479 | | : Expr(UnaryExprOrTypeTraitExprClass, resultType, VK_RValue, OK_Ordinary), |
1480 | 19.5k | OpLoc(op), RParenLoc(rp) { |
1481 | 19.5k | assert(ExprKind <= UETT_Last && "invalid enum value!"); |
1482 | 19.5k | UnaryExprOrTypeTraitExprBits.Kind = ExprKind; |
1483 | 19.5k | assert(static_cast<unsigned>(ExprKind) == UnaryExprOrTypeTraitExprBits.Kind && |
1484 | 19.5k | "UnaryExprOrTypeTraitExprBits.Kind overflow!"); |
1485 | 19.5k | UnaryExprOrTypeTraitExprBits.IsType = false; |
1486 | 19.5k | Argument.Ex = E; |
1487 | 19.5k | setDependence(computeDependence(this)); |
1488 | 19.5k | } |
1489 | | |
1490 | | MemberExpr::MemberExpr(Expr *Base, bool IsArrow, SourceLocation OperatorLoc, |
1491 | | ValueDecl *MemberDecl, |
1492 | | const DeclarationNameInfo &NameInfo, QualType T, |
1493 | | ExprValueKind VK, ExprObjectKind OK, |
1494 | | NonOdrUseReason NOUR) |
1495 | | : Expr(MemberExprClass, T, VK, OK), Base(Base), MemberDecl(MemberDecl), |
1496 | 1.28M | MemberDNLoc(NameInfo.getInfo()), MemberLoc(NameInfo.getLoc()) { |
1497 | 1.28M | assert(!NameInfo.getName() || |
1498 | 1.28M | MemberDecl->getDeclName() == NameInfo.getName()); |
1499 | 1.28M | MemberExprBits.IsArrow = IsArrow; |
1500 | 1.28M | MemberExprBits.HasQualifierOrFoundDecl = false; |
1501 | 1.28M | MemberExprBits.HasTemplateKWAndArgsInfo = false; |
1502 | 1.28M | MemberExprBits.HadMultipleCandidates = false; |
1503 | 1.28M | MemberExprBits.NonOdrUseReason = NOUR; |
1504 | 1.28M | MemberExprBits.OperatorLoc = OperatorLoc; |
1505 | 1.28M | setDependence(computeDependence(this)); |
1506 | 1.28M | } |
1507 | | |
1508 | | MemberExpr *MemberExpr::Create( |
1509 | | const ASTContext &C, Expr *Base, bool IsArrow, SourceLocation OperatorLoc, |
1510 | | NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc, |
1511 | | ValueDecl *MemberDecl, DeclAccessPair FoundDecl, |
1512 | | DeclarationNameInfo NameInfo, const TemplateArgumentListInfo *TemplateArgs, |
1513 | 1.28M | QualType T, ExprValueKind VK, ExprObjectKind OK, NonOdrUseReason NOUR) { |
1514 | 1.28M | bool HasQualOrFound = QualifierLoc || FoundDecl.getDecl() != MemberDecl1.28M || |
1515 | 1.26M | FoundDecl.getAccess() != MemberDecl->getAccess(); |
1516 | 1.28M | bool HasTemplateKWAndArgsInfo = TemplateArgs || TemplateKWLoc.isValid()1.28M ; |
1517 | 1.28M | std::size_t Size = |
1518 | 1.28M | totalSizeToAlloc<MemberExprNameQualifier, ASTTemplateKWAndArgsInfo, |
1519 | 1.28M | TemplateArgumentLoc>( |
1520 | 1.28M | HasQualOrFound ? 141.6k : 01.24M , HasTemplateKWAndArgsInfo ? 11.96k : 0, |
1521 | 1.28M | TemplateArgs ? TemplateArgs->size()1.89k : 0); |
1522 | | |
1523 | 1.28M | void *Mem = C.Allocate(Size, alignof(MemberExpr)); |
1524 | 1.28M | MemberExpr *E = new (Mem) MemberExpr(Base, IsArrow, OperatorLoc, MemberDecl, |
1525 | 1.28M | NameInfo, T, VK, OK, NOUR); |
1526 | | |
1527 | | // FIXME: remove remaining dependence computation to computeDependence(). |
1528 | 1.28M | auto Deps = E->getDependence(); |
1529 | 1.28M | if (HasQualOrFound) { |
1530 | | // FIXME: Wrong. We should be looking at the member declaration we found. |
1531 | 41.6k | if (QualifierLoc && QualifierLoc.getNestedNameSpecifier()->isDependent()9.57k ) |
1532 | 8 | Deps |= ExprDependence::TypeValueInstantiation; |
1533 | 41.6k | else if (QualifierLoc && |
1534 | 9.56k | QualifierLoc.getNestedNameSpecifier()->isInstantiationDependent()) |
1535 | 0 | Deps |= ExprDependence::Instantiation; |
1536 | | |
1537 | 41.6k | E->MemberExprBits.HasQualifierOrFoundDecl = true; |
1538 | | |
1539 | 41.6k | MemberExprNameQualifier *NQ = |
1540 | 41.6k | E->getTrailingObjects<MemberExprNameQualifier>(); |
1541 | 41.6k | NQ->QualifierLoc = QualifierLoc; |
1542 | 41.6k | NQ->FoundDecl = FoundDecl; |
1543 | 41.6k | } |
1544 | | |
1545 | 1.28M | E->MemberExprBits.HasTemplateKWAndArgsInfo = |
1546 | 1.28M | TemplateArgs || TemplateKWLoc.isValid()1.28M ; |
1547 | | |
1548 | 1.28M | if (TemplateArgs) { |
1549 | 1.89k | auto TemplateArgDeps = TemplateArgumentDependence::None; |
1550 | 1.89k | E->getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom( |
1551 | 1.89k | TemplateKWLoc, *TemplateArgs, |
1552 | 1.89k | E->getTrailingObjects<TemplateArgumentLoc>(), TemplateArgDeps); |
1553 | 1.89k | if (TemplateArgDeps & TemplateArgumentDependence::Instantiation) |
1554 | 0 | Deps |= ExprDependence::Instantiation; |
1555 | 1.28M | } else if (TemplateKWLoc.isValid()) { |
1556 | 65 | E->getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom( |
1557 | 65 | TemplateKWLoc); |
1558 | 65 | } |
1559 | 1.28M | E->setDependence(Deps); |
1560 | | |
1561 | 1.28M | return E; |
1562 | 1.28M | } |
1563 | | |
1564 | | MemberExpr *MemberExpr::CreateEmpty(const ASTContext &Context, |
1565 | | bool HasQualifier, bool HasFoundDecl, |
1566 | | bool HasTemplateKWAndArgsInfo, |
1567 | 153k | unsigned NumTemplateArgs) { |
1568 | 153k | assert((!NumTemplateArgs || HasTemplateKWAndArgsInfo) && |
1569 | 153k | "template args but no template arg info?"); |
1570 | 153k | bool HasQualOrFound = HasQualifier || HasFoundDecl151k ; |
1571 | 153k | std::size_t Size = |
1572 | 153k | totalSizeToAlloc<MemberExprNameQualifier, ASTTemplateKWAndArgsInfo, |
1573 | 149k | TemplateArgumentLoc>(HasQualOrFound ? 14.22k : 0, |
1574 | 153k | HasTemplateKWAndArgsInfo ? 118 : 0, |
1575 | 153k | NumTemplateArgs); |
1576 | 153k | void *Mem = Context.Allocate(Size, alignof(MemberExpr)); |
1577 | 153k | return new (Mem) MemberExpr(EmptyShell()); |
1578 | 153k | } |
1579 | | |
1580 | 86 | void MemberExpr::setMemberDecl(ValueDecl *D) { |
1581 | 86 | MemberDecl = D; |
1582 | 86 | setDependence(computeDependence(this)); |
1583 | 86 | } |
1584 | | |
1585 | 4.49M | SourceLocation MemberExpr::getBeginLoc() const { |
1586 | 4.49M | if (isImplicitAccess()) { |
1587 | 1.80M | if (hasQualifier()) |
1588 | 39.6k | return getQualifierLoc().getBeginLoc(); |
1589 | 1.76M | return MemberLoc; |
1590 | 1.76M | } |
1591 | | |
1592 | | // FIXME: We don't want this to happen. Rather, we should be able to |
1593 | | // detect all kinds of implicit accesses more cleanly. |
1594 | 2.68M | SourceLocation BaseStartLoc = getBase()->getBeginLoc(); |
1595 | 2.68M | if (BaseStartLoc.isValid()) |
1596 | 2.68M | return BaseStartLoc; |
1597 | 1.04k | return MemberLoc; |
1598 | 1.04k | } |
1599 | 635k | SourceLocation MemberExpr::getEndLoc() const { |
1600 | 635k | SourceLocation EndLoc = getMemberNameInfo().getEndLoc(); |
1601 | 635k | if (hasExplicitTemplateArgs()) |
1602 | 1.96k | EndLoc = getRAngleLoc(); |
1603 | 633k | else if (EndLoc.isInvalid()) |
1604 | 8.84k | EndLoc = getBase()->getEndLoc(); |
1605 | 635k | return EndLoc; |
1606 | 635k | } |
1607 | | |
1608 | 23.6M | bool CastExpr::CastConsistency() const { |
1609 | 23.6M | switch (getCastKind()) { |
1610 | 16.6k | case CK_DerivedToBase: |
1611 | 44.0k | case CK_UncheckedDerivedToBase: |
1612 | 44.1k | case CK_DerivedToBaseMemberPointer: |
1613 | 45.0k | case CK_BaseToDerived: |
1614 | 45.4k | case CK_BaseToDerivedMemberPointer: |
1615 | 45.4k | assert(!path_empty() && "Cast kind should have a base path!"); |
1616 | 45.4k | break; |
1617 | | |
1618 | 4.52k | case CK_CPointerToObjCPointerCast: |
1619 | 4.52k | assert(getType()->isObjCObjectPointerType()); |
1620 | 4.52k | assert(getSubExpr()->getType()->isPointerType()); |
1621 | 4.52k | goto CheckNoBasePath; |
1622 | | |
1623 | 83 | case CK_BlockPointerToObjCPointerCast: |
1624 | 83 | assert(getType()->isObjCObjectPointerType()); |
1625 | 83 | assert(getSubExpr()->getType()->isBlockPointerType()); |
1626 | 83 | goto CheckNoBasePath; |
1627 | | |
1628 | 63 | case CK_ReinterpretMemberPointer: |
1629 | 63 | assert(getType()->isMemberPointerType()); |
1630 | 63 | assert(getSubExpr()->getType()->isMemberPointerType()); |
1631 | 63 | goto CheckNoBasePath; |
1632 | | |
1633 | 3.84M | case CK_BitCast: |
1634 | | // Arbitrary casts to C pointer types count as bitcasts. |
1635 | | // Otherwise, we should only have block and ObjC pointer casts |
1636 | | // here if they stay within the type kind. |
1637 | 3.84M | if (!getType()->isPointerType()) { |
1638 | 3.61M | assert(getType()->isObjCObjectPointerType() == |
1639 | 3.61M | getSubExpr()->getType()->isObjCObjectPointerType()); |
1640 | 3.61M | assert(getType()->isBlockPointerType() == |
1641 | 3.61M | getSubExpr()->getType()->isBlockPointerType()); |
1642 | 3.61M | } |
1643 | 3.84M | goto CheckNoBasePath; |
1644 | | |
1645 | 60 | case CK_AnyPointerToBlockPointerCast: |
1646 | 60 | assert(getType()->isBlockPointerType()); |
1647 | 60 | assert(getSubExpr()->getType()->isAnyPointerType() && |
1648 | 60 | !getSubExpr()->getType()->isBlockPointerType()); |
1649 | 60 | goto CheckNoBasePath; |
1650 | | |
1651 | 12 | case CK_CopyAndAutoreleaseBlockObject: |
1652 | 12 | assert(getType()->isBlockPointerType()); |
1653 | 12 | assert(getSubExpr()->getType()->isBlockPointerType()); |
1654 | 12 | goto CheckNoBasePath; |
1655 | | |
1656 | 2.12M | case CK_FunctionToPointerDecay: |
1657 | 2.12M | assert(getType()->isPointerType()); |
1658 | 2.12M | assert(getSubExpr()->getType()->isFunctionType()); |
1659 | 2.12M | goto CheckNoBasePath; |
1660 | | |
1661 | 759 | case CK_AddressSpaceConversion: { |
1662 | 759 | auto Ty = getType(); |
1663 | 759 | auto SETy = getSubExpr()->getType(); |
1664 | 759 | assert(getValueKindForType(Ty) == Expr::getValueKindForType(SETy)); |
1665 | 759 | if (isRValue() && !Ty->isDependentType()666 && !SETy->isDependentType()666 ) { |
1666 | 666 | Ty = Ty->getPointeeType(); |
1667 | 666 | SETy = SETy->getPointeeType(); |
1668 | 666 | } |
1669 | 759 | assert((Ty->isDependentType() || SETy->isDependentType()) || |
1670 | 759 | (!Ty.isNull() && !SETy.isNull() && |
1671 | 759 | Ty.getAddressSpace() != SETy.getAddressSpace())); |
1672 | 759 | goto CheckNoBasePath; |
1673 | 45.0k | } |
1674 | | // These should not have an inheritance path. |
1675 | 230 | case CK_Dynamic: |
1676 | 249 | case CK_ToUnion: |
1677 | 216k | case CK_ArrayToPointerDecay: |
1678 | 216k | case CK_NullToMemberPointer: |
1679 | 283k | case CK_NullToPointer: |
1680 | 316k | case CK_ConstructorConversion: |
1681 | 322k | case CK_IntegralToPointer: |
1682 | 328k | case CK_PointerToIntegral: |
1683 | 416k | case CK_ToVoid: |
1684 | 425k | case CK_VectorSplat: |
1685 | 3.27M | case CK_IntegralCast: |
1686 | 3.27M | case CK_BooleanToSignedIntegral: |
1687 | 3.32M | case CK_IntegralToFloating: |
1688 | 3.32M | case CK_FloatingToIntegral: |
1689 | 3.34M | case CK_FloatingCast: |
1690 | 3.34M | case CK_ObjCObjectLValueCast: |
1691 | 3.34M | case CK_FloatingRealToComplex: |
1692 | 3.34M | case CK_FloatingComplexToReal: |
1693 | 3.34M | case CK_FloatingComplexCast: |
1694 | 3.34M | case CK_FloatingComplexToIntegralComplex: |
1695 | 3.34M | case CK_IntegralRealToComplex: |
1696 | 3.34M | case CK_IntegralComplexToReal: |
1697 | 3.34M | case CK_IntegralComplexCast: |
1698 | 3.34M | case CK_IntegralComplexToFloatingComplex: |
1699 | 3.34M | case CK_ARCProduceObject: |
1700 | 3.34M | case CK_ARCConsumeObject: |
1701 | 3.34M | case CK_ARCReclaimReturnedObject: |
1702 | 3.34M | case CK_ARCExtendBlockObject: |
1703 | 3.34M | case CK_ZeroToOCLOpaqueType: |
1704 | 3.34M | case CK_IntToOCLSampler: |
1705 | 3.34M | case CK_FloatingToFixedPoint: |
1706 | 3.34M | case CK_FixedPointToFloating: |
1707 | 3.34M | case CK_FixedPointCast: |
1708 | 3.34M | case CK_FixedPointToIntegral: |
1709 | 3.34M | case CK_IntegralToFixedPoint: |
1710 | 3.34M | assert(!getType()->isBooleanType() && "unheralded conversion to bool"); |
1711 | 3.34M | goto CheckNoBasePath; |
1712 | | |
1713 | 844k | case CK_Dependent: |
1714 | 11.3M | case CK_LValueToRValue: |
1715 | 12.6M | case CK_NoOp: |
1716 | 12.6M | case CK_AtomicToNonAtomic: |
1717 | 12.6M | case CK_NonAtomicToAtomic: |
1718 | 12.6M | case CK_PointerToBoolean: |
1719 | 12.7M | case CK_IntegralToBoolean: |
1720 | 12.7M | case CK_FloatingToBoolean: |
1721 | 12.7M | case CK_MemberPointerToBoolean: |
1722 | 12.7M | case CK_FloatingComplexToBoolean: |
1723 | 12.7M | case CK_IntegralComplexToBoolean: |
1724 | 12.7M | case CK_LValueBitCast: // -> bool& |
1725 | 12.7M | case CK_LValueToRValueBitCast: |
1726 | 12.7M | case CK_UserDefinedConversion: // operator bool() |
1727 | 14.3M | case CK_BuiltinFnToFnPtr: |
1728 | 14.3M | case CK_FixedPointToBoolean: |
1729 | 23.6M | CheckNoBasePath: |
1730 | 23.6M | assert(path_empty() && "Cast kind should not have a base path!"); |
1731 | 23.6M | break; |
1732 | 23.6M | } |
1733 | 23.6M | return true; |
1734 | 23.6M | } |
1735 | | |
1736 | 6.42k | const char *CastExpr::getCastKindName(CastKind CK) { |
1737 | 6.42k | switch (CK) { |
1738 | 6.42k | #define CAST_OPERATION(Name) case CK_##Name: return #Name; |
1739 | 0 | #include "clang/AST/OperationKinds.def" |
1740 | 6.42k | } |
1741 | 6.42k | llvm_unreachable0 ("Unhandled cast kind!"); |
1742 | 6.42k | } |
1743 | | |
1744 | | namespace { |
1745 | 1.81M | const Expr *skipImplicitTemporary(const Expr *E) { |
1746 | | // Skip through reference binding to temporary. |
1747 | 1.81M | if (auto *Materialize = dyn_cast<MaterializeTemporaryExpr>(E)) |
1748 | 3.26k | E = Materialize->getSubExpr(); |
1749 | | |
1750 | | // Skip any temporary bindings; they're implicit. |
1751 | 1.81M | if (auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) |
1752 | 13.8k | E = Binder->getSubExpr(); |
1753 | | |
1754 | 1.81M | return E; |
1755 | 1.81M | } |
1756 | | } |
1757 | | |
1758 | 1.74M | Expr *CastExpr::getSubExprAsWritten() { |
1759 | 1.74M | const Expr *SubExpr = nullptr; |
1760 | 1.74M | const CastExpr *E = this; |
1761 | 1.80M | do { |
1762 | 1.80M | SubExpr = skipImplicitTemporary(E->getSubExpr()); |
1763 | | |
1764 | | // Conversions by constructor and conversion functions have a |
1765 | | // subexpression describing the call; strip it off. |
1766 | 1.80M | if (E->getCastKind() == CK_ConstructorConversion) |
1767 | 3.59k | SubExpr = |
1768 | 3.59k | skipImplicitTemporary(cast<CXXConstructExpr>(SubExpr->IgnoreImplicit())->getArg(0)); |
1769 | 1.80M | else if (E->getCastKind() == CK_UserDefinedConversion) { |
1770 | 1.57k | assert((isa<CXXMemberCallExpr>(SubExpr) || |
1771 | 1.57k | isa<BlockExpr>(SubExpr)) && |
1772 | 1.57k | "Unexpected SubExpr for CK_UserDefinedConversion."); |
1773 | 1.57k | if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SubExpr)) |
1774 | 1.57k | SubExpr = MCE->getImplicitObjectArgument(); |
1775 | 1.57k | } |
1776 | | |
1777 | | // If the subexpression we're left with is an implicit cast, look |
1778 | | // through that, too. |
1779 | 1.80M | } while ((E = dyn_cast<ImplicitCastExpr>(SubExpr))); |
1780 | | |
1781 | 1.74M | return const_cast<Expr*>(SubExpr); |
1782 | 1.74M | } |
1783 | | |
1784 | 1.63k | NamedDecl *CastExpr::getConversionFunction() const { |
1785 | 1.63k | const Expr *SubExpr = nullptr; |
1786 | | |
1787 | 3.31k | for (const CastExpr *E = this; E; E = dyn_cast<ImplicitCastExpr>(SubExpr)1.68k ) { |
1788 | 1.75k | SubExpr = skipImplicitTemporary(E->getSubExpr()); |
1789 | | |
1790 | 1.75k | if (E->getCastKind() == CK_ConstructorConversion) |
1791 | 0 | return cast<CXXConstructExpr>(SubExpr)->getConstructor(); |
1792 | | |
1793 | 1.75k | if (E->getCastKind() == CK_UserDefinedConversion) { |
1794 | 66 | if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SubExpr)) |
1795 | 66 | return MCE->getMethodDecl(); |
1796 | 66 | } |
1797 | 1.75k | } |
1798 | | |
1799 | 1.56k | return nullptr; |
1800 | 1.63k | } |
1801 | | |
1802 | 3.55M | CXXBaseSpecifier **CastExpr::path_buffer() { |
1803 | 3.55M | switch (getStmtClass()) { |
1804 | 0 | #define ABSTRACT_STMT(x) |
1805 | 0 | #define CASTEXPR(Type, Base) \ |
1806 | 3.55M | case Stmt::Type##Class: \ |
1807 | 3.55M | return static_cast<Type *>(this)->getTrailingObjects<CXXBaseSpecifier *>(); |
1808 | 0 | #define STMT(Type, Base) |
1809 | 0 | #include "clang/AST/StmtNodes.inc" |
1810 | 0 | default: |
1811 | 0 | llvm_unreachable("non-cast expressions not possible here"); |
1812 | 3.55M | } |
1813 | 3.55M | } |
1814 | | |
1815 | | const FieldDecl *CastExpr::getTargetFieldForToUnionCast(QualType unionType, |
1816 | 4 | QualType opType) { |
1817 | 4 | auto RD = unionType->castAs<RecordType>()->getDecl(); |
1818 | 4 | return getTargetFieldForToUnionCast(RD, opType); |
1819 | 4 | } |
1820 | | |
1821 | | const FieldDecl *CastExpr::getTargetFieldForToUnionCast(const RecordDecl *RD, |
1822 | 26 | QualType OpType) { |
1823 | 26 | auto &Ctx = RD->getASTContext(); |
1824 | 26 | RecordDecl::field_iterator Field, FieldEnd; |
1825 | 26 | for (Field = RD->field_begin(), FieldEnd = RD->field_end(); |
1826 | 43 | Field != FieldEnd; ++Field17 ) { |
1827 | 40 | if (Ctx.hasSameUnqualifiedType(Field->getType(), OpType) && |
1828 | 24 | !Field->isUnnamedBitfield()) { |
1829 | 23 | return *Field; |
1830 | 23 | } |
1831 | 40 | } |
1832 | 3 | return nullptr; |
1833 | 26 | } |
1834 | | |
1835 | 33.3k | FPOptionsOverride *CastExpr::getTrailingFPFeatures() { |
1836 | 33.3k | assert(hasStoredFPFeatures()); |
1837 | 33.3k | switch (getStmtClass()) { |
1838 | 26.3k | case ImplicitCastExprClass: |
1839 | 26.3k | return static_cast<ImplicitCastExpr *>(this) |
1840 | 26.3k | ->getTrailingObjects<FPOptionsOverride>(); |
1841 | 7.01k | case CStyleCastExprClass: |
1842 | 7.01k | return static_cast<CStyleCastExpr *>(this) |
1843 | 7.01k | ->getTrailingObjects<FPOptionsOverride>(); |
1844 | 6 | case CXXFunctionalCastExprClass: |
1845 | 6 | return static_cast<CXXFunctionalCastExpr *>(this) |
1846 | 6 | ->getTrailingObjects<FPOptionsOverride>(); |
1847 | 6 | case CXXStaticCastExprClass: |
1848 | 6 | return static_cast<CXXStaticCastExpr *>(this) |
1849 | 6 | ->getTrailingObjects<FPOptionsOverride>(); |
1850 | 0 | default: |
1851 | 0 | llvm_unreachable("Cast does not have FPFeatures"); |
1852 | 33.3k | } |
1853 | 33.3k | } |
1854 | | |
1855 | | ImplicitCastExpr *ImplicitCastExpr::Create(const ASTContext &C, QualType T, |
1856 | | CastKind Kind, Expr *Operand, |
1857 | | const CXXCastPath *BasePath, |
1858 | | ExprValueKind VK, |
1859 | 18.6M | FPOptionsOverride FPO) { |
1860 | 18.1M | unsigned PathSize = (BasePath ? BasePath->size()442k : 0); |
1861 | 18.6M | void *Buffer = |
1862 | 18.6M | C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *, FPOptionsOverride>( |
1863 | 18.6M | PathSize, FPO.requiresTrailingStorage())); |
1864 | | // Per C++ [conv.lval]p3, lvalue-to-rvalue conversions on class and |
1865 | | // std::nullptr_t have special semantics not captured by CK_LValueToRValue. |
1866 | 18.6M | assert((Kind != CK_LValueToRValue || |
1867 | 18.6M | !(T->isNullPtrType() || T->getAsCXXRecordDecl())) && |
1868 | 18.6M | "invalid type for lvalue-to-rvalue conversion"); |
1869 | 18.6M | ImplicitCastExpr *E = |
1870 | 18.6M | new (Buffer) ImplicitCastExpr(T, Kind, Operand, PathSize, FPO, VK); |
1871 | 18.6M | if (PathSize) |
1872 | 44.3k | std::uninitialized_copy_n(BasePath->data(), BasePath->size(), |
1873 | 44.3k | E->getTrailingObjects<CXXBaseSpecifier *>()); |
1874 | 18.6M | return E; |
1875 | 18.6M | } |
1876 | | |
1877 | | ImplicitCastExpr *ImplicitCastExpr::CreateEmpty(const ASTContext &C, |
1878 | | unsigned PathSize, |
1879 | 766k | bool HasFPFeatures) { |
1880 | 766k | void *Buffer = |
1881 | 766k | C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *, FPOptionsOverride>( |
1882 | 766k | PathSize, HasFPFeatures)); |
1883 | 766k | return new (Buffer) ImplicitCastExpr(EmptyShell(), PathSize, HasFPFeatures); |
1884 | 766k | } |
1885 | | |
1886 | | CStyleCastExpr *CStyleCastExpr::Create(const ASTContext &C, QualType T, |
1887 | | ExprValueKind VK, CastKind K, Expr *Op, |
1888 | | const CXXCastPath *BasePath, |
1889 | | FPOptionsOverride FPO, |
1890 | | TypeSourceInfo *WrittenTy, |
1891 | 4.26M | SourceLocation L, SourceLocation R) { |
1892 | 4.26M | unsigned PathSize = (BasePath ? BasePath->size() : 01.79k ); |
1893 | 4.26M | void *Buffer = |
1894 | 4.26M | C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *, FPOptionsOverride>( |
1895 | 4.26M | PathSize, FPO.requiresTrailingStorage())); |
1896 | 4.26M | CStyleCastExpr *E = |
1897 | 4.26M | new (Buffer) CStyleCastExpr(T, VK, K, Op, PathSize, FPO, WrittenTy, L, R); |
1898 | 4.26M | if (PathSize) |
1899 | 139 | std::uninitialized_copy_n(BasePath->data(), BasePath->size(), |
1900 | 139 | E->getTrailingObjects<CXXBaseSpecifier *>()); |
1901 | 4.26M | return E; |
1902 | 4.26M | } |
1903 | | |
1904 | | CStyleCastExpr *CStyleCastExpr::CreateEmpty(const ASTContext &C, |
1905 | | unsigned PathSize, |
1906 | 20.8k | bool HasFPFeatures) { |
1907 | 20.8k | void *Buffer = |
1908 | 20.8k | C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *, FPOptionsOverride>( |
1909 | 20.8k | PathSize, HasFPFeatures)); |
1910 | 20.8k | return new (Buffer) CStyleCastExpr(EmptyShell(), PathSize, HasFPFeatures); |
1911 | 20.8k | } |
1912 | | |
1913 | | /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it |
1914 | | /// corresponds to, e.g. "<<=". |
1915 | 378k | StringRef BinaryOperator::getOpcodeStr(Opcode Op) { |
1916 | 378k | switch (Op) { |
1917 | 378k | #define BINARY_OPERATION(Name, Spelling) case BO_##Name: return Spelling; |
1918 | 0 | #include "clang/AST/OperationKinds.def" |
1919 | 378k | } |
1920 | 378k | llvm_unreachable0 ("Invalid OpCode!"); |
1921 | 378k | } |
1922 | | |
1923 | | BinaryOperatorKind |
1924 | 60.1k | BinaryOperator::getOverloadedOpcode(OverloadedOperatorKind OO) { |
1925 | 60.1k | switch (OO) { |
1926 | 0 | default: llvm_unreachable("Not an overloadable binary operator"); |
1927 | 9.57k | case OO_Plus: return BO_Add; |
1928 | 8.17k | case OO_Minus: return BO_Sub; |
1929 | 241 | case OO_Star: return BO_Mul; |
1930 | 904 | case OO_Slash: return BO_Div; |
1931 | 2 | case OO_Percent: return BO_Rem; |
1932 | 64 | case OO_Caret: return BO_Xor; |
1933 | 135 | case OO_Amp: return BO_And; |
1934 | 36 | case OO_Pipe: return BO_Or; |
1935 | 126 | case OO_Equal: return BO_Assign; |
1936 | 137 | case OO_Spaceship: return BO_Cmp; |
1937 | 8.70k | case OO_Less: return BO_LT; |
1938 | 8.54k | case OO_Greater: return BO_GT; |
1939 | 42 | case OO_PlusEqual: return BO_AddAssign; |
1940 | 0 | case OO_MinusEqual: return BO_SubAssign; |
1941 | 0 | case OO_StarEqual: return BO_MulAssign; |
1942 | 0 | case OO_SlashEqual: return BO_DivAssign; |
1943 | 0 | case OO_PercentEqual: return BO_RemAssign; |
1944 | 18 | case OO_CaretEqual: return BO_XorAssign; |
1945 | 0 | case OO_AmpEqual: return BO_AndAssign; |
1946 | 9 | case OO_PipeEqual: return BO_OrAssign; |
1947 | 461 | case OO_LessLess: return BO_Shl; |
1948 | 178 | case OO_GreaterGreater: return BO_Shr; |
1949 | 0 | case OO_LessLessEqual: return BO_ShlAssign; |
1950 | 0 | case OO_GreaterGreaterEqual: return BO_ShrAssign; |
1951 | 11.7k | case OO_EqualEqual: return BO_EQ; |
1952 | 6.51k | case OO_ExclaimEqual: return BO_NE; |
1953 | 1.33k | case OO_LessEqual: return BO_LE; |
1954 | 2.60k | case OO_GreaterEqual: return BO_GE; |
1955 | 561 | case OO_AmpAmp: return BO_LAnd; |
1956 | 4 | case OO_PipePipe: return BO_LOr; |
1957 | 0 | case OO_Comma: return BO_Comma; |
1958 | 1 | case OO_ArrowStar: return BO_PtrMemI; |
1959 | 60.1k | } |
1960 | 60.1k | } |
1961 | | |
1962 | 3.25M | OverloadedOperatorKind BinaryOperator::getOverloadedOperator(Opcode Opc) { |
1963 | 3.25M | static const OverloadedOperatorKind OverOps[] = { |
1964 | 3.25M | /* .* Cannot be overloaded */OO_None, OO_ArrowStar, |
1965 | 3.25M | OO_Star, OO_Slash, OO_Percent, |
1966 | 3.25M | OO_Plus, OO_Minus, |
1967 | 3.25M | OO_LessLess, OO_GreaterGreater, |
1968 | 3.25M | OO_Spaceship, |
1969 | 3.25M | OO_Less, OO_Greater, OO_LessEqual, OO_GreaterEqual, |
1970 | 3.25M | OO_EqualEqual, OO_ExclaimEqual, |
1971 | 3.25M | OO_Amp, |
1972 | 3.25M | OO_Caret, |
1973 | 3.25M | OO_Pipe, |
1974 | 3.25M | OO_AmpAmp, |
1975 | 3.25M | OO_PipePipe, |
1976 | 3.25M | OO_Equal, OO_StarEqual, |
1977 | 3.25M | OO_SlashEqual, OO_PercentEqual, |
1978 | 3.25M | OO_PlusEqual, OO_MinusEqual, |
1979 | 3.25M | OO_LessLessEqual, OO_GreaterGreaterEqual, |
1980 | 3.25M | OO_AmpEqual, OO_CaretEqual, |
1981 | 3.25M | OO_PipeEqual, |
1982 | 3.25M | OO_Comma |
1983 | 3.25M | }; |
1984 | 3.25M | return OverOps[Opc]; |
1985 | 3.25M | } |
1986 | | |
1987 | | bool BinaryOperator::isNullPointerArithmeticExtension(ASTContext &Ctx, |
1988 | | Opcode Opc, |
1989 | 14.7k | Expr *LHS, Expr *RHS) { |
1990 | 14.7k | if (Opc != BO_Add) |
1991 | 999 | return false; |
1992 | | |
1993 | | // Check that we have one pointer and one integer operand. |
1994 | 13.7k | Expr *PExp; |
1995 | 13.7k | if (LHS->getType()->isPointerType()) { |
1996 | 13.6k | if (!RHS->getType()->isIntegerType()) |
1997 | 0 | return false; |
1998 | 13.6k | PExp = LHS; |
1999 | 89 | } else if (RHS->getType()->isPointerType()) { |
2000 | 88 | if (!LHS->getType()->isIntegerType()) |
2001 | 0 | return false; |
2002 | 88 | PExp = RHS; |
2003 | 1 | } else { |
2004 | 1 | return false; |
2005 | 1 | } |
2006 | | |
2007 | | // Check that the pointer is a nullptr. |
2008 | 13.7k | if (!PExp->IgnoreParenCasts() |
2009 | 13.7k | ->isNullPointerConstant(Ctx, Expr::NPC_ValueDependentIsNotNull)) |
2010 | 12.3k | return false; |
2011 | | |
2012 | | // Check that the pointee type is char-sized. |
2013 | 1.34k | const PointerType *PTy = PExp->getType()->getAs<PointerType>(); |
2014 | 1.34k | if (!PTy || !PTy->getPointeeType()->isCharType()) |
2015 | 1.30k | return false; |
2016 | | |
2017 | 39 | return true; |
2018 | 39 | } |
2019 | | |
2020 | | static QualType getDecayedSourceLocExprType(const ASTContext &Ctx, |
2021 | 102 | SourceLocExpr::IdentKind Kind) { |
2022 | 102 | switch (Kind) { |
2023 | 17 | case SourceLocExpr::File: |
2024 | 36 | case SourceLocExpr::Function: { |
2025 | 36 | QualType ArrTy = Ctx.getStringLiteralArrayType(Ctx.CharTy, 0); |
2026 | 36 | return Ctx.getPointerType(ArrTy->getAsArrayTypeUnsafe()->getElementType()); |
2027 | 17 | } |
2028 | 52 | case SourceLocExpr::Line: |
2029 | 66 | case SourceLocExpr::Column: |
2030 | 66 | return Ctx.UnsignedIntTy; |
2031 | 0 | } |
2032 | 0 | llvm_unreachable("unhandled case"); |
2033 | 0 | } |
2034 | | |
2035 | | SourceLocExpr::SourceLocExpr(const ASTContext &Ctx, IdentKind Kind, |
2036 | | SourceLocation BLoc, SourceLocation RParenLoc, |
2037 | | DeclContext *ParentContext) |
2038 | | : Expr(SourceLocExprClass, getDecayedSourceLocExprType(Ctx, Kind), |
2039 | | VK_RValue, OK_Ordinary), |
2040 | 102 | BuiltinLoc(BLoc), RParenLoc(RParenLoc), ParentContext(ParentContext) { |
2041 | 102 | SourceLocExprBits.Kind = Kind; |
2042 | 102 | setDependence(ExprDependence::None); |
2043 | 102 | } |
2044 | | |
2045 | 0 | StringRef SourceLocExpr::getBuiltinStr() const { |
2046 | 0 | switch (getIdentKind()) { |
2047 | 0 | case File: |
2048 | 0 | return "__builtin_FILE"; |
2049 | 0 | case Function: |
2050 | 0 | return "__builtin_FUNCTION"; |
2051 | 0 | case Line: |
2052 | 0 | return "__builtin_LINE"; |
2053 | 0 | case Column: |
2054 | 0 | return "__builtin_COLUMN"; |
2055 | 0 | } |
2056 | 0 | llvm_unreachable("unexpected IdentKind!"); |
2057 | 0 | } |
2058 | | |
2059 | | APValue SourceLocExpr::EvaluateInContext(const ASTContext &Ctx, |
2060 | 632 | const Expr *DefaultExpr) const { |
2061 | 632 | SourceLocation Loc; |
2062 | 632 | const DeclContext *Context; |
2063 | | |
2064 | 632 | std::tie(Loc, |
2065 | 632 | Context) = [&]() -> std::pair<SourceLocation, const DeclContext *> { |
2066 | 632 | if (auto *DIE = dyn_cast_or_null<CXXDefaultInitExpr>(DefaultExpr)) |
2067 | 184 | return {DIE->getUsedLocation(), DIE->getUsedContext()}; |
2068 | 448 | if (auto *DAE = dyn_cast_or_null<CXXDefaultArgExpr>(DefaultExpr)) |
2069 | 315 | return {DAE->getUsedLocation(), DAE->getUsedContext()}; |
2070 | 133 | return {this->getLocation(), this->getParentContext()}; |
2071 | 133 | }(); |
2072 | | |
2073 | 632 | PresumedLoc PLoc = Ctx.getSourceManager().getPresumedLoc( |
2074 | 632 | Ctx.getSourceManager().getExpansionRange(Loc).getEnd()); |
2075 | | |
2076 | 268 | auto MakeStringLiteral = [&](StringRef Tmp) { |
2077 | 268 | using LValuePathEntry = APValue::LValuePathEntry; |
2078 | 268 | StringLiteral *Res = Ctx.getPredefinedStringLiteralFromCache(Tmp); |
2079 | | // Decay the string to a pointer to the first character. |
2080 | 268 | LValuePathEntry Path[1] = {LValuePathEntry::ArrayIndex(0)}; |
2081 | 268 | return APValue(Res, CharUnits::Zero(), Path, /*OnePastTheEnd=*/false); |
2082 | 268 | }; |
2083 | | |
2084 | 632 | switch (getIdentKind()) { |
2085 | 128 | case SourceLocExpr::File: |
2086 | 128 | return MakeStringLiteral(PLoc.getFilename()); |
2087 | 140 | case SourceLocExpr::Function: { |
2088 | 140 | const Decl *CurDecl = dyn_cast_or_null<Decl>(Context); |
2089 | 140 | return MakeStringLiteral( |
2090 | 140 | CurDecl ? PredefinedExpr::ComputeName(PredefinedExpr::Function, CurDecl) |
2091 | 0 | : std::string("")); |
2092 | 0 | } |
2093 | 246 | case SourceLocExpr::Line: |
2094 | 364 | case SourceLocExpr::Column: { |
2095 | 364 | llvm::APSInt IntVal(Ctx.getIntWidth(Ctx.UnsignedIntTy), |
2096 | 364 | /*isUnsigned=*/true); |
2097 | 246 | IntVal = getIdentKind() == SourceLocExpr::Line ? PLoc.getLine() |
2098 | 118 | : PLoc.getColumn(); |
2099 | 364 | return APValue(IntVal); |
2100 | 0 | } |
2101 | 0 | } |
2102 | 0 | llvm_unreachable("unhandled case"); |
2103 | 0 | } |
2104 | | |
2105 | | InitListExpr::InitListExpr(const ASTContext &C, SourceLocation lbraceloc, |
2106 | | ArrayRef<Expr *> initExprs, SourceLocation rbraceloc) |
2107 | | : Expr(InitListExprClass, QualType(), VK_RValue, OK_Ordinary), |
2108 | | InitExprs(C, initExprs.size()), LBraceLoc(lbraceloc), |
2109 | 266k | RBraceLoc(rbraceloc), AltForm(nullptr, true) { |
2110 | 266k | sawArrayRangeDesignator(false); |
2111 | 266k | InitExprs.insert(C, InitExprs.end(), initExprs.begin(), initExprs.end()); |
2112 | | |
2113 | 266k | setDependence(computeDependence(this)); |
2114 | 266k | } |
2115 | | |
2116 | 110k | void InitListExpr::reserveInits(const ASTContext &C, unsigned NumInits) { |
2117 | 110k | if (NumInits > InitExprs.size()) |
2118 | 87.0k | InitExprs.reserve(C, NumInits); |
2119 | 110k | } |
2120 | | |
2121 | 5.84k | void InitListExpr::resizeInits(const ASTContext &C, unsigned NumInits) { |
2122 | 5.84k | InitExprs.resize(C, NumInits, nullptr); |
2123 | 5.84k | } |
2124 | | |
2125 | 527k | Expr *InitListExpr::updateInit(const ASTContext &C, unsigned Init, Expr *expr) { |
2126 | 527k | if (Init >= InitExprs.size()) { |
2127 | 523k | InitExprs.insert(C, InitExprs.end(), Init - InitExprs.size() + 1, nullptr); |
2128 | 523k | setInit(Init, expr); |
2129 | 523k | return nullptr; |
2130 | 523k | } |
2131 | | |
2132 | 4.24k | Expr *Result = cast_or_null<Expr>(InitExprs[Init]); |
2133 | 4.24k | setInit(Init, expr); |
2134 | 4.24k | return Result; |
2135 | 4.24k | } |
2136 | | |
2137 | 6.96k | void InitListExpr::setArrayFiller(Expr *filler) { |
2138 | 6.96k | assert(!hasArrayFiller() && "Filler already set!"); |
2139 | 6.96k | ArrayFillerOrUnionFieldInit = filler; |
2140 | | // Fill out any "holes" in the array due to designated initializers. |
2141 | 6.96k | Expr **inits = getInits(); |
2142 | 20.5k | for (unsigned i = 0, e = getNumInits(); i != e; ++i13.6k ) |
2143 | 13.6k | if (inits[i] == nullptr) |
2144 | 5.34k | inits[i] = filler; |
2145 | 6.96k | } |
2146 | | |
2147 | 6.76k | bool InitListExpr::isStringLiteralInit() const { |
2148 | 6.76k | if (getNumInits() != 1) |
2149 | 5.91k | return false; |
2150 | 857 | const ArrayType *AT = getType()->getAsArrayTypeUnsafe(); |
2151 | 857 | if (!AT || !AT->getElementType()->isIntegerType()) |
2152 | 300 | return false; |
2153 | | // It is possible for getInit() to return null. |
2154 | 557 | const Expr *Init = getInit(0); |
2155 | 557 | if (!Init) |
2156 | 0 | return false; |
2157 | 557 | Init = Init->IgnoreParens(); |
2158 | 557 | return isa<StringLiteral>(Init) || isa<ObjCEncodeExpr>(Init)459 ; |
2159 | 557 | } |
2160 | | |
2161 | 131k | bool InitListExpr::isTransparent() const { |
2162 | 131k | assert(isSemanticForm() && "syntactic form never semantically transparent"); |
2163 | | |
2164 | | // A glvalue InitListExpr is always just sugar. |
2165 | 131k | if (isGLValue()) { |
2166 | 67 | assert(getNumInits() == 1 && "multiple inits in glvalue init list"); |
2167 | 67 | return true; |
2168 | 67 | } |
2169 | | |
2170 | | // Otherwise, we're sugar if and only if we have exactly one initializer that |
2171 | | // is of the same type. |
2172 | 131k | if (getNumInits() != 1 || !getInit(0)22.4k ) |
2173 | 109k | return false; |
2174 | | |
2175 | | // Don't confuse aggregate initialization of a struct X { X &x; }; with a |
2176 | | // transparent struct copy. |
2177 | 22.4k | if (!getInit(0)->isRValue() && getType()->isRecordType()486 ) |
2178 | 486 | return false; |
2179 | | |
2180 | 21.9k | return getType().getCanonicalType() == |
2181 | 21.9k | getInit(0)->getType().getCanonicalType(); |
2182 | 21.9k | } |
2183 | | |
2184 | 50.4k | bool InitListExpr::isIdiomaticZeroInitializer(const LangOptions &LangOpts) const { |
2185 | 50.4k | assert(isSyntacticForm() && "only test syntactic form as zero initializer"); |
2186 | | |
2187 | 50.4k | if (LangOpts.CPlusPlus || getNumInits() != 18.50k || !getInit(0)2.12k ) { |
2188 | 48.2k | return false; |
2189 | 48.2k | } |
2190 | | |
2191 | 2.12k | const IntegerLiteral *Lit = dyn_cast<IntegerLiteral>(getInit(0)->IgnoreImplicit()); |
2192 | 2.12k | return Lit && Lit->getValue() == 0778 ; |
2193 | 2.12k | } |
2194 | | |
2195 | 588k | SourceLocation InitListExpr::getBeginLoc() const { |
2196 | 588k | if (InitListExpr *SyntacticForm = getSyntacticForm()) |
2197 | 138k | return SyntacticForm->getBeginLoc(); |
2198 | 449k | SourceLocation Beg = LBraceLoc; |
2199 | 449k | if (Beg.isInvalid()) { |
2200 | | // Find the first non-null initializer. |
2201 | 179 | for (InitExprsTy::const_iterator I = InitExprs.begin(), |
2202 | 179 | E = InitExprs.end(); |
2203 | 179 | I != E; ++I0 ) { |
2204 | 179 | if (Stmt *S = *I) { |
2205 | 179 | Beg = S->getBeginLoc(); |
2206 | 179 | break; |
2207 | 179 | } |
2208 | 179 | } |
2209 | 179 | } |
2210 | 449k | return Beg; |
2211 | 449k | } |
2212 | | |
2213 | 421k | SourceLocation InitListExpr::getEndLoc() const { |
2214 | 421k | if (InitListExpr *SyntacticForm = getSyntacticForm()) |
2215 | 90.8k | return SyntacticForm->getEndLoc(); |
2216 | 330k | SourceLocation End = RBraceLoc; |
2217 | 330k | if (End.isInvalid()) { |
2218 | | // Find the first non-null initializer from the end. |
2219 | 40 | for (InitExprsTy::const_reverse_iterator I = InitExprs.rbegin(), |
2220 | 40 | E = InitExprs.rend(); |
2221 | 40 | I != E; ++I0 ) { |
2222 | 40 | if (Stmt *S = *I) { |
2223 | 40 | End = S->getEndLoc(); |
2224 | 40 | break; |
2225 | 40 | } |
2226 | 40 | } |
2227 | 40 | } |
2228 | 330k | return End; |
2229 | 330k | } |
2230 | | |
2231 | | /// getFunctionType - Return the underlying function type for this block. |
2232 | | /// |
2233 | 1.57k | const FunctionProtoType *BlockExpr::getFunctionType() const { |
2234 | | // The block pointer is never sugared, but the function type might be. |
2235 | 1.57k | return cast<BlockPointerType>(getType()) |
2236 | 1.57k | ->getPointeeType()->castAs<FunctionProtoType>(); |
2237 | 1.57k | } |
2238 | | |
2239 | 23.8k | SourceLocation BlockExpr::getCaretLocation() const { |
2240 | 23.8k | return TheBlock->getCaretLocation(); |
2241 | 23.8k | } |
2242 | 6.17k | const Stmt *BlockExpr::getBody() const { |
2243 | 6.17k | return TheBlock->getBody(); |
2244 | 6.17k | } |
2245 | 820 | Stmt *BlockExpr::getBody() { |
2246 | 820 | return TheBlock->getBody(); |
2247 | 820 | } |
2248 | | |
2249 | | |
2250 | | //===----------------------------------------------------------------------===// |
2251 | | // Generic Expression Routines |
2252 | | //===----------------------------------------------------------------------===// |
2253 | | |
2254 | 522k | bool Expr::isReadIfDiscardedInCPlusPlus11() const { |
2255 | | // In C++11, discarded-value expressions of a certain form are special, |
2256 | | // according to [expr]p10: |
2257 | | // The lvalue-to-rvalue conversion (4.1) is applied only if the |
2258 | | // expression is an lvalue of volatile-qualified type and it has |
2259 | | // one of the following forms: |
2260 | 522k | if (!isGLValue() || !getType().isVolatileQualified()521k ) |
2261 | 520k | return false; |
2262 | | |
2263 | 1.81k | const Expr *E = IgnoreParens(); |
2264 | | |
2265 | | // - id-expression (5.1.1), |
2266 | 1.81k | if (isa<DeclRefExpr>(E)) |
2267 | 54 | return true; |
2268 | | |
2269 | | // - subscripting (5.2.1), |
2270 | 1.75k | if (isa<ArraySubscriptExpr>(E)) |
2271 | 4 | return true; |
2272 | | |
2273 | | // - class member access (5.2.5), |
2274 | 1.75k | if (isa<MemberExpr>(E)) |
2275 | 8 | return true; |
2276 | | |
2277 | | // - indirection (5.3.1), |
2278 | 1.74k | if (auto *UO = dyn_cast<UnaryOperator>(E)) |
2279 | 110 | if (UO->getOpcode() == UO_Deref) |
2280 | 60 | return true; |
2281 | | |
2282 | 1.68k | if (auto *BO = dyn_cast<BinaryOperator>(E)) { |
2283 | | // - pointer-to-member operation (5.5), |
2284 | 1.56k | if (BO->isPtrMemOp()) |
2285 | 1 | return true; |
2286 | | |
2287 | | // - comma expression (5.18) where the right operand is one of the above. |
2288 | 1.56k | if (BO->getOpcode() == BO_Comma) |
2289 | 8 | return BO->getRHS()->isReadIfDiscardedInCPlusPlus11(); |
2290 | 1.67k | } |
2291 | | |
2292 | | // - conditional expression (5.16) where both the second and the third |
2293 | | // operands are one of the above, or |
2294 | 1.67k | if (auto *CO = dyn_cast<ConditionalOperator>(E)) |
2295 | 3 | return CO->getTrueExpr()->isReadIfDiscardedInCPlusPlus11() && |
2296 | 1 | CO->getFalseExpr()->isReadIfDiscardedInCPlusPlus11(); |
2297 | | // The related edge case of "*x ?: *x". |
2298 | 1.67k | if (auto *BCO = |
2299 | 1 | dyn_cast<BinaryConditionalOperator>(E)) { |
2300 | 1 | if (auto *OVE = dyn_cast<OpaqueValueExpr>(BCO->getTrueExpr())) |
2301 | 1 | return OVE->getSourceExpr()->isReadIfDiscardedInCPlusPlus11() && |
2302 | 1 | BCO->getFalseExpr()->isReadIfDiscardedInCPlusPlus11(); |
2303 | 1.67k | } |
2304 | | |
2305 | | // Objective-C++ extensions to the rule. |
2306 | 1.67k | if (isa<PseudoObjectExpr>(E) || isa<ObjCIvarRefExpr>(E)) |
2307 | 0 | return true; |
2308 | | |
2309 | 1.67k | return false; |
2310 | 1.67k | } |
2311 | | |
2312 | | /// isUnusedResultAWarning - Return true if this immediate expression should |
2313 | | /// be warned about if the result is unused. If so, fill in Loc and Ranges |
2314 | | /// with location to warn on and the source range[s] to report with the |
2315 | | /// warning. |
2316 | | bool Expr::isUnusedResultAWarning(const Expr *&WarnE, SourceLocation &Loc, |
2317 | | SourceRange &R1, SourceRange &R2, |
2318 | 2.36M | ASTContext &Ctx) const { |
2319 | | // Don't warn if the expr is type dependent. The type could end up |
2320 | | // instantiating to void. |
2321 | 2.36M | if (isTypeDependent()) |
2322 | 826k | return false; |
2323 | | |
2324 | 1.53M | switch (getStmtClass()) { |
2325 | 19.4k | default: |
2326 | 19.4k | if (getType()->isVoidType()) |
2327 | 13.6k | return false; |
2328 | 5.79k | WarnE = this; |
2329 | 5.79k | Loc = getExprLoc(); |
2330 | 5.79k | R1 = getSourceRange(); |
2331 | 5.79k | return true; |
2332 | 28.2k | case ParenExprClass: |
2333 | 28.2k | return cast<ParenExpr>(this)->getSubExpr()-> |
2334 | 28.2k | isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2335 | 31 | case GenericSelectionExprClass: |
2336 | 31 | return cast<GenericSelectionExpr>(this)->getResultExpr()-> |
2337 | 31 | isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2338 | 179 | case CoawaitExprClass: |
2339 | 198 | case CoyieldExprClass: |
2340 | 198 | return cast<CoroutineSuspendExpr>(this)->getResumeExpr()-> |
2341 | 198 | isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2342 | 4 | case ChooseExprClass: |
2343 | 4 | return cast<ChooseExpr>(this)->getChosenSubExpr()-> |
2344 | 4 | isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2345 | 221k | case UnaryOperatorClass: { |
2346 | 221k | const UnaryOperator *UO = cast<UnaryOperator>(this); |
2347 | | |
2348 | 221k | switch (UO->getOpcode()) { |
2349 | 33 | case UO_Plus: |
2350 | 85 | case UO_Minus: |
2351 | 225 | case UO_AddrOf: |
2352 | 256 | case UO_Not: |
2353 | 400 | case UO_LNot: |
2354 | 801 | case UO_Deref: |
2355 | 801 | break; |
2356 | 0 | case UO_Coawait: |
2357 | | // This is just the 'operator co_await' call inside the guts of a |
2358 | | // dependent co_await call. |
2359 | 48.8k | case UO_PostInc: |
2360 | 49.4k | case UO_PostDec: |
2361 | 210k | case UO_PreInc: |
2362 | 217k | case UO_PreDec: // ++/-- |
2363 | 217k | return false; // Not a warning. |
2364 | 24 | case UO_Real: |
2365 | 44 | case UO_Imag: |
2366 | | // accessing a piece of a volatile complex is a side-effect. |
2367 | 44 | if (Ctx.getCanonicalType(UO->getSubExpr()->getType()) |
2368 | 44 | .isVolatileQualified()) |
2369 | 11 | return false; |
2370 | 33 | break; |
2371 | 3.48k | case UO_Extension: |
2372 | 3.48k | return UO->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2373 | 834 | } |
2374 | 834 | WarnE = this; |
2375 | 834 | Loc = UO->getOperatorLoc(); |
2376 | 834 | R1 = UO->getSubExpr()->getSourceRange(); |
2377 | 834 | return true; |
2378 | 834 | } |
2379 | 687k | case BinaryOperatorClass: { |
2380 | 687k | const BinaryOperator *BO = cast<BinaryOperator>(this); |
2381 | 687k | switch (BO->getOpcode()) { |
2382 | 679k | default: |
2383 | 679k | break; |
2384 | | // Consider the RHS of comma for side effects. LHS was checked by |
2385 | | // Sema::CheckCommaOperands. |
2386 | 7.74k | case BO_Comma: |
2387 | | // ((foo = <blah>), 0) is an idiom for hiding the result (and |
2388 | | // lvalue-ness) of an assignment written in a macro. |
2389 | 7.74k | if (IntegerLiteral *IE = |
2390 | 107 | dyn_cast<IntegerLiteral>(BO->getRHS()->IgnoreParens())) |
2391 | 107 | if (IE->getValue() == 0) |
2392 | 54 | return false; |
2393 | 7.68k | return BO->getRHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2394 | | // Consider '||', '&&' to have side effects if the LHS or RHS does. |
2395 | 70 | case BO_LAnd: |
2396 | 201 | case BO_LOr: |
2397 | 201 | if (!BO->getLHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx) || |
2398 | 164 | !BO->getRHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)) |
2399 | 81 | return false; |
2400 | 120 | break; |
2401 | 679k | } |
2402 | 679k | if (BO->isAssignmentOp()) |
2403 | 677k | return false; |
2404 | 1.95k | WarnE = this; |
2405 | 1.95k | Loc = BO->getOperatorLoc(); |
2406 | 1.95k | R1 = BO->getLHS()->getSourceRange(); |
2407 | 1.95k | R2 = BO->getRHS()->getSourceRange(); |
2408 | 1.95k | return true; |
2409 | 1.95k | } |
2410 | 63.2k | case CompoundAssignOperatorClass: |
2411 | 63.3k | case VAArgExprClass: |
2412 | 64.6k | case AtomicExprClass: |
2413 | 64.6k | return false; |
2414 | | |
2415 | 594 | case ConditionalOperatorClass: { |
2416 | | // If only one of the LHS or RHS is a warning, the operator might |
2417 | | // be being used for control flow. Only warn if both the LHS and |
2418 | | // RHS are warnings. |
2419 | 594 | const auto *Exp = cast<ConditionalOperator>(this); |
2420 | 594 | return Exp->getLHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx) && |
2421 | 185 | Exp->getRHS()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2422 | 63.3k | } |
2423 | 34 | case BinaryConditionalOperatorClass: { |
2424 | 34 | const auto *Exp = cast<BinaryConditionalOperator>(this); |
2425 | 34 | return Exp->getFalseExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2426 | 63.3k | } |
2427 | | |
2428 | 3.39k | case MemberExprClass: |
2429 | 3.39k | WarnE = this; |
2430 | 3.39k | Loc = cast<MemberExpr>(this)->getMemberLoc(); |
2431 | 3.39k | R1 = SourceRange(Loc, Loc); |
2432 | 3.39k | R2 = cast<MemberExpr>(this)->getBase()->getSourceRange(); |
2433 | 3.39k | return true; |
2434 | | |
2435 | 385 | case ArraySubscriptExprClass: |
2436 | 385 | WarnE = this; |
2437 | 385 | Loc = cast<ArraySubscriptExpr>(this)->getRBracketLoc(); |
2438 | 385 | R1 = cast<ArraySubscriptExpr>(this)->getLHS()->getSourceRange(); |
2439 | 385 | R2 = cast<ArraySubscriptExpr>(this)->getRHS()->getSourceRange(); |
2440 | 385 | return true; |
2441 | | |
2442 | 23.7k | case CXXOperatorCallExprClass: { |
2443 | | // Warn about operator ==,!=,<,>,<=, and >= even when user-defined operator |
2444 | | // overloads as there is no reasonable way to define these such that they |
2445 | | // have non-trivial, desirable side-effects. See the -Wunused-comparison |
2446 | | // warning: operators == and != are commonly typo'ed, and so warning on them |
2447 | | // provides additional value as well. If this list is updated, |
2448 | | // DiagnoseUnusedComparison should be as well. |
2449 | 23.7k | const CXXOperatorCallExpr *Op = cast<CXXOperatorCallExpr>(this); |
2450 | 23.7k | switch (Op->getOperator()) { |
2451 | 23.7k | default: |
2452 | 23.7k | break; |
2453 | 16 | case OO_EqualEqual: |
2454 | 24 | case OO_ExclaimEqual: |
2455 | 47 | case OO_Less: |
2456 | 56 | case OO_Greater: |
2457 | 62 | case OO_GreaterEqual: |
2458 | 68 | case OO_LessEqual: |
2459 | 68 | if (Op->getCallReturnType(Ctx)->isReferenceType() || |
2460 | 67 | Op->getCallReturnType(Ctx)->isVoidType()) |
2461 | 8 | break; |
2462 | 60 | WarnE = this; |
2463 | 60 | Loc = Op->getOperatorLoc(); |
2464 | 60 | R1 = Op->getSourceRange(); |
2465 | 60 | return true; |
2466 | 23.7k | } |
2467 | | |
2468 | | // Fallthrough for generic call handling. |
2469 | 23.7k | LLVM_FALLTHROUGH; |
2470 | 23.7k | } |
2471 | 373k | case CallExprClass: |
2472 | 428k | case CXXMemberCallExprClass: |
2473 | 428k | case UserDefinedLiteralClass: { |
2474 | | // If this is a direct call, get the callee. |
2475 | 428k | const CallExpr *CE = cast<CallExpr>(this); |
2476 | 428k | if (const Decl *FD = CE->getCalleeDecl()) { |
2477 | | // If the callee has attribute pure, const, or warn_unused_result, warn |
2478 | | // about it. void foo() { strlen("bar"); } should warn. |
2479 | | // |
2480 | | // Note: If new cases are added here, DiagnoseUnusedExprResult should be |
2481 | | // updated to match for QoI. |
2482 | 427k | if (CE->hasUnusedResultAttr(Ctx) || |
2483 | 427k | FD->hasAttr<PureAttr>() || FD->hasAttr<ConstAttr>()427k ) { |
2484 | 7.43k | WarnE = this; |
2485 | 7.43k | Loc = CE->getCallee()->getBeginLoc(); |
2486 | 7.43k | R1 = CE->getCallee()->getSourceRange(); |
2487 | | |
2488 | 7.43k | if (unsigned NumArgs = CE->getNumArgs()) |
2489 | 7.31k | R2 = SourceRange(CE->getArg(0)->getBeginLoc(), |
2490 | 7.31k | CE->getArg(NumArgs - 1)->getEndLoc()); |
2491 | 7.43k | return true; |
2492 | 7.43k | } |
2493 | 420k | } |
2494 | 420k | return false; |
2495 | 420k | } |
2496 | | |
2497 | | // If we don't know precisely what we're looking at, let's not warn. |
2498 | 0 | case UnresolvedLookupExprClass: |
2499 | 65 | case CXXUnresolvedConstructExprClass: |
2500 | 1.43k | case RecoveryExprClass: |
2501 | 1.43k | return false; |
2502 | | |
2503 | 606 | case CXXTemporaryObjectExprClass: |
2504 | 701 | case CXXConstructExprClass: { |
2505 | 701 | if (const CXXRecordDecl *Type = getType()->getAsCXXRecordDecl()) { |
2506 | 701 | const auto *WarnURAttr = Type->getAttr<WarnUnusedResultAttr>(); |
2507 | 701 | if (Type->hasAttr<WarnUnusedAttr>() || |
2508 | 692 | (WarnURAttr && WarnURAttr->IsCXX11NoDiscard()4 )) { |
2509 | 13 | WarnE = this; |
2510 | 13 | Loc = getBeginLoc(); |
2511 | 13 | R1 = getSourceRange(); |
2512 | 13 | return true; |
2513 | 13 | } |
2514 | 688 | } |
2515 | | |
2516 | 688 | const auto *CE = cast<CXXConstructExpr>(this); |
2517 | 688 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) { |
2518 | 688 | const auto *WarnURAttr = Ctor->getAttr<WarnUnusedResultAttr>(); |
2519 | 688 | if (WarnURAttr && WarnURAttr->IsCXX11NoDiscard()12 ) { |
2520 | 9 | WarnE = this; |
2521 | 9 | Loc = getBeginLoc(); |
2522 | 9 | R1 = getSourceRange(); |
2523 | | |
2524 | 9 | if (unsigned NumArgs = CE->getNumArgs()) |
2525 | 6 | R2 = SourceRange(CE->getArg(0)->getBeginLoc(), |
2526 | 6 | CE->getArg(NumArgs - 1)->getEndLoc()); |
2527 | 9 | return true; |
2528 | 9 | } |
2529 | 679 | } |
2530 | | |
2531 | 679 | return false; |
2532 | 679 | } |
2533 | | |
2534 | 9.90k | case ObjCMessageExprClass: { |
2535 | 9.90k | const ObjCMessageExpr *ME = cast<ObjCMessageExpr>(this); |
2536 | 9.90k | if (Ctx.getLangOpts().ObjCAutoRefCount && |
2537 | 684 | ME->isInstanceMessage() && |
2538 | 649 | !ME->getType()->isVoidType() && |
2539 | 176 | ME->getMethodFamily() == OMF_init) { |
2540 | 23 | WarnE = this; |
2541 | 23 | Loc = getExprLoc(); |
2542 | 23 | R1 = ME->getSourceRange(); |
2543 | 23 | return true; |
2544 | 23 | } |
2545 | | |
2546 | 9.87k | if (const ObjCMethodDecl *MD = ME->getMethodDecl()) |
2547 | 9.38k | if (MD->hasAttr<WarnUnusedResultAttr>()) { |
2548 | 2 | WarnE = this; |
2549 | 2 | Loc = getExprLoc(); |
2550 | 2 | return true; |
2551 | 2 | } |
2552 | | |
2553 | 9.87k | return false; |
2554 | 9.87k | } |
2555 | | |
2556 | 0 | case ObjCPropertyRefExprClass: |
2557 | 0 | WarnE = this; |
2558 | 0 | Loc = getExprLoc(); |
2559 | 0 | R1 = getSourceRange(); |
2560 | 0 | return true; |
2561 | | |
2562 | 1.18k | case PseudoObjectExprClass: { |
2563 | 1.18k | const PseudoObjectExpr *PO = cast<PseudoObjectExpr>(this); |
2564 | | |
2565 | | // Only complain about things that have the form of a getter. |
2566 | 1.18k | if (isa<UnaryOperator>(PO->getSyntacticForm()) || |
2567 | 1.15k | isa<BinaryOperator>(PO->getSyntacticForm())) |
2568 | 956 | return false; |
2569 | | |
2570 | 233 | WarnE = this; |
2571 | 233 | Loc = getExprLoc(); |
2572 | 233 | R1 = getSourceRange(); |
2573 | 233 | return true; |
2574 | 233 | } |
2575 | | |
2576 | 3.57k | case StmtExprClass: { |
2577 | | // Statement exprs don't logically have side effects themselves, but are |
2578 | | // sometimes used in macros in ways that give them a type that is unused. |
2579 | | // For example ({ blah; foo(); }) will end up with a type if foo has a type. |
2580 | | // however, if the result of the stmt expr is dead, we don't want to emit a |
2581 | | // warning. |
2582 | 3.57k | const CompoundStmt *CS = cast<StmtExpr>(this)->getSubStmt(); |
2583 | 3.57k | if (!CS->body_empty()) { |
2584 | 3.56k | if (const Expr *E = dyn_cast<Expr>(CS->body_back())) |
2585 | 2.39k | return E->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2586 | 1.16k | if (const LabelStmt *Label = dyn_cast<LabelStmt>(CS->body_back())) |
2587 | 2 | if (const Expr *E = dyn_cast<Expr>(Label->getSubStmt())) |
2588 | 2 | return E->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2589 | 1.17k | } |
2590 | | |
2591 | 1.17k | if (getType()->isVoidType()) |
2592 | 1.17k | return false; |
2593 | 4 | WarnE = this; |
2594 | 4 | Loc = cast<StmtExpr>(this)->getLParenLoc(); |
2595 | 4 | R1 = getSourceRange(); |
2596 | 4 | return true; |
2597 | 4 | } |
2598 | 343 | case CXXFunctionalCastExprClass: |
2599 | 56.6k | case CStyleCastExprClass: { |
2600 | | // Ignore an explicit cast to void, except in C++98 if the operand is a |
2601 | | // volatile glvalue for which we would trigger an implicit read in any |
2602 | | // other language mode. (Such an implicit read always happens as part of |
2603 | | // the lvalue conversion in C, and happens in C++ for expressions of all |
2604 | | // forms where it seems likely the user intended to trigger a volatile |
2605 | | // load.) |
2606 | 56.6k | const CastExpr *CE = cast<CastExpr>(this); |
2607 | 56.6k | const Expr *SubE = CE->getSubExpr()->IgnoreParens(); |
2608 | 56.6k | if (CE->getCastKind() == CK_ToVoid) { |
2609 | 55.9k | if (Ctx.getLangOpts().CPlusPlus && !Ctx.getLangOpts().CPlusPlus1151.8k && |
2610 | 658 | SubE->isReadIfDiscardedInCPlusPlus11()) { |
2611 | | // Suppress the "unused value" warning for idiomatic usage of |
2612 | | // '(void)var;' used to suppress "unused variable" warnings. |
2613 | 13 | if (auto *DRE = dyn_cast<DeclRefExpr>(SubE)) |
2614 | 12 | if (auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) |
2615 | 12 | if (!VD->isExternallyVisible()) |
2616 | 7 | return false; |
2617 | | |
2618 | | // The lvalue-to-rvalue conversion would have no effect for an array. |
2619 | | // It's implausible that the programmer expected this to result in a |
2620 | | // volatile array load, so don't warn. |
2621 | 6 | if (SubE->getType()->isArrayType()) |
2622 | 1 | return false; |
2623 | | |
2624 | 5 | return SubE->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2625 | 5 | } |
2626 | 55.9k | return false; |
2627 | 55.9k | } |
2628 | | |
2629 | | // If this is a cast to a constructor conversion, check the operand. |
2630 | | // Otherwise, the result of the cast is unused. |
2631 | 639 | if (CE->getCastKind() == CK_ConstructorConversion) |
2632 | 83 | return CE->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2633 | 556 | if (CE->getCastKind() == CK_Dependent) |
2634 | 12 | return false; |
2635 | | |
2636 | 544 | WarnE = this; |
2637 | 544 | if (const CXXFunctionalCastExpr *CXXCE = |
2638 | 71 | dyn_cast<CXXFunctionalCastExpr>(this)) { |
2639 | 71 | Loc = CXXCE->getBeginLoc(); |
2640 | 71 | R1 = CXXCE->getSubExpr()->getSourceRange(); |
2641 | 473 | } else { |
2642 | 473 | const CStyleCastExpr *CStyleCE = cast<CStyleCastExpr>(this); |
2643 | 473 | Loc = CStyleCE->getLParenLoc(); |
2644 | 473 | R1 = CStyleCE->getSubExpr()->getSourceRange(); |
2645 | 473 | } |
2646 | 544 | return true; |
2647 | 544 | } |
2648 | 1.49k | case ImplicitCastExprClass: { |
2649 | 1.49k | const CastExpr *ICE = cast<ImplicitCastExpr>(this); |
2650 | | |
2651 | | // lvalue-to-rvalue conversion on a volatile lvalue is a side-effect. |
2652 | 1.49k | if (ICE->getCastKind() == CK_LValueToRValue && |
2653 | 1.06k | ICE->getSubExpr()->getType().isVolatileQualified()) |
2654 | 61 | return false; |
2655 | | |
2656 | 1.43k | return ICE->getSubExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2657 | 1.43k | } |
2658 | 0 | case CXXDefaultArgExprClass: |
2659 | 0 | return (cast<CXXDefaultArgExpr>(this) |
2660 | 0 | ->getExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)); |
2661 | 0 | case CXXDefaultInitExprClass: |
2662 | 0 | return (cast<CXXDefaultInitExpr>(this) |
2663 | 0 | ->getExpr()->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx)); |
2664 | | |
2665 | 1.45k | case CXXNewExprClass: |
2666 | | // FIXME: In theory, there might be new expressions that don't have side |
2667 | | // effects (e.g. a placement new with an uninitialized POD). |
2668 | 5.89k | case CXXDeleteExprClass: |
2669 | 5.89k | return false; |
2670 | 0 | case MaterializeTemporaryExprClass: |
2671 | 0 | return cast<MaterializeTemporaryExpr>(this) |
2672 | 0 | ->getSubExpr() |
2673 | 0 | ->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2674 | 322 | case CXXBindTemporaryExprClass: |
2675 | 322 | return cast<CXXBindTemporaryExpr>(this)->getSubExpr() |
2676 | 322 | ->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2677 | 1.14k | case ExprWithCleanupsClass: |
2678 | 1.14k | return cast<ExprWithCleanups>(this)->getSubExpr() |
2679 | 1.14k | ->isUnusedResultAWarning(WarnE, Loc, R1, R2, Ctx); |
2680 | 1.53M | } |
2681 | 1.53M | } |
2682 | | |
2683 | | /// isOBJCGCCandidate - Check if an expression is objc gc'able. |
2684 | | /// returns true, if it is; false otherwise. |
2685 | 495 | bool Expr::isOBJCGCCandidate(ASTContext &Ctx) const { |
2686 | 495 | const Expr *E = IgnoreParens(); |
2687 | 495 | switch (E->getStmtClass()) { |
2688 | 4 | default: |
2689 | 4 | return false; |
2690 | 64 | case ObjCIvarRefExprClass: |
2691 | 64 | return true; |
2692 | 15 | case Expr::UnaryOperatorClass: |
2693 | 15 | return cast<UnaryOperator>(E)->getSubExpr()->isOBJCGCCandidate(Ctx); |
2694 | 149 | case ImplicitCastExprClass: |
2695 | 149 | return cast<ImplicitCastExpr>(E)->getSubExpr()->isOBJCGCCandidate(Ctx); |
2696 | 0 | case MaterializeTemporaryExprClass: |
2697 | 0 | return cast<MaterializeTemporaryExpr>(E)->getSubExpr()->isOBJCGCCandidate( |
2698 | 0 | Ctx); |
2699 | 3 | case CStyleCastExprClass: |
2700 | 3 | return cast<CStyleCastExpr>(E)->getSubExpr()->isOBJCGCCandidate(Ctx); |
2701 | 69 | case DeclRefExprClass: { |
2702 | 69 | const Decl *D = cast<DeclRefExpr>(E)->getDecl(); |
2703 | | |
2704 | 69 | if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { |
2705 | 69 | if (VD->hasGlobalStorage()) |
2706 | 56 | return true; |
2707 | 13 | QualType T = VD->getType(); |
2708 | | // dereferencing to a pointer is always a gc'able candidate, |
2709 | | // unless it is __weak. |
2710 | 13 | return T->isPointerType() && |
2711 | 11 | (Ctx.getObjCGCAttrKind(T) != Qualifiers::Weak); |
2712 | 13 | } |
2713 | 0 | return false; |
2714 | 0 | } |
2715 | 56 | case MemberExprClass: { |
2716 | 56 | const MemberExpr *M = cast<MemberExpr>(E); |
2717 | 56 | return M->getBase()->isOBJCGCCandidate(Ctx); |
2718 | 0 | } |
2719 | 135 | case ArraySubscriptExprClass: |
2720 | 135 | return cast<ArraySubscriptExpr>(E)->getBase()->isOBJCGCCandidate(Ctx); |
2721 | 495 | } |
2722 | 495 | } |
2723 | | |
2724 | 0 | bool Expr::isBoundMemberFunction(ASTContext &Ctx) const { |
2725 | 0 | if (isTypeDependent()) |
2726 | 0 | return false; |
2727 | 0 | return ClassifyLValue(Ctx) == Expr::LV_MemberFunction; |
2728 | 0 | } |
2729 | | |
2730 | 241k | QualType Expr::findBoundMemberType(const Expr *expr) { |
2731 | 241k | assert(expr->hasPlaceholderType(BuiltinType::BoundMember)); |
2732 | | |
2733 | | // Bound member expressions are always one of these possibilities: |
2734 | | // x->m x.m x->*y x.*y |
2735 | | // (possibly parenthesized) |
2736 | | |
2737 | 241k | expr = expr->IgnoreParens(); |
2738 | 241k | if (const MemberExpr *mem = dyn_cast<MemberExpr>(expr)) { |
2739 | 240k | assert(isa<CXXMethodDecl>(mem->getMemberDecl())); |
2740 | 240k | return mem->getMemberDecl()->getType(); |
2741 | 240k | } |
2742 | | |
2743 | 494 | if (const BinaryOperator *op = dyn_cast<BinaryOperator>(expr)) { |
2744 | 484 | QualType type = op->getRHS()->getType()->castAs<MemberPointerType>() |
2745 | 484 | ->getPointeeType(); |
2746 | 484 | assert(type->isFunctionType()); |
2747 | 484 | return type; |
2748 | 484 | } |
2749 | | |
2750 | 10 | assert(isa<UnresolvedMemberExpr>(expr) || isa<CXXPseudoDestructorExpr>(expr)); |
2751 | 10 | return QualType(); |
2752 | 10 | } |
2753 | | |
2754 | 8.77M | Expr *Expr::IgnoreImpCasts() { |
2755 | 8.77M | return IgnoreExprNodes(this, IgnoreImplicitCastsSingleStep); |
2756 | 8.77M | } |
2757 | | |
2758 | 1.07k | Expr *Expr::IgnoreCasts() { |
2759 | 1.07k | return IgnoreExprNodes(this, IgnoreCastsSingleStep); |
2760 | 1.07k | } |
2761 | | |
2762 | 5.46M | Expr *Expr::IgnoreImplicit() { |
2763 | 5.46M | return IgnoreExprNodes(this, IgnoreImplicitSingleStep); |
2764 | 5.46M | } |
2765 | | |
2766 | 1.47k | Expr *Expr::IgnoreImplicitAsWritten() { |
2767 | 1.47k | return IgnoreExprNodes(this, IgnoreImplicitAsWrittenSingleStep); |
2768 | 1.47k | } |
2769 | | |
2770 | 93.3M | Expr *Expr::IgnoreParens() { |
2771 | 93.3M | return IgnoreExprNodes(this, IgnoreParensSingleStep); |
2772 | 93.3M | } |
2773 | | |
2774 | 106M | Expr *Expr::IgnoreParenImpCasts() { |
2775 | 106M | return IgnoreExprNodes(this, IgnoreParensSingleStep, |
2776 | 106M | IgnoreImplicitCastsExtraSingleStep); |
2777 | 106M | } |
2778 | | |
2779 | 71.5M | Expr *Expr::IgnoreParenCasts() { |
2780 | 71.5M | return IgnoreExprNodes(this, IgnoreParensSingleStep, IgnoreCastsSingleStep); |
2781 | 71.5M | } |
2782 | | |
2783 | 245k | Expr *Expr::IgnoreConversionOperatorSingleStep() { |
2784 | 245k | if (auto *MCE = dyn_cast<CXXMemberCallExpr>(this)) { |
2785 | 692 | if (MCE->getMethodDecl() && isa<CXXConversionDecl>(MCE->getMethodDecl())690 ) |
2786 | 66 | return MCE->getImplicitObjectArgument(); |
2787 | 245k | } |
2788 | 245k | return this; |
2789 | 245k | } |
2790 | | |
2791 | 58.6k | Expr *Expr::IgnoreParenLValueCasts() { |
2792 | 58.6k | return IgnoreExprNodes(this, IgnoreParensSingleStep, |
2793 | 58.6k | IgnoreLValueCastsSingleStep); |
2794 | 58.6k | } |
2795 | | |
2796 | 35.7k | Expr *Expr::IgnoreParenBaseCasts() { |
2797 | 35.7k | return IgnoreExprNodes(this, IgnoreParensSingleStep, |
2798 | 35.7k | IgnoreBaseCastsSingleStep); |
2799 | 35.7k | } |
2800 | | |
2801 | 23.6k | Expr *Expr::IgnoreParenNoopCasts(const ASTContext &Ctx) { |
2802 | 27.3k | auto IgnoreNoopCastsSingleStep = [&Ctx](Expr *E) { |
2803 | 27.3k | if (auto *CE = dyn_cast<CastExpr>(E)) { |
2804 | | // We ignore integer <-> casts that are of the same width, ptr<->ptr and |
2805 | | // ptr<->int casts of the same width. We also ignore all identity casts. |
2806 | 4.09k | Expr *SubExpr = CE->getSubExpr(); |
2807 | 4.09k | bool IsIdentityCast = |
2808 | 4.09k | Ctx.hasSameUnqualifiedType(E->getType(), SubExpr->getType()); |
2809 | 4.09k | bool IsSameWidthCast = (E->getType()->isPointerType() || |
2810 | 3.07k | E->getType()->isIntegralType(Ctx)) && |
2811 | 2.26k | (SubExpr->getType()->isPointerType() || |
2812 | 1.78k | SubExpr->getType()->isIntegralType(Ctx)) && |
2813 | 1.73k | (Ctx.getTypeSize(E->getType()) == |
2814 | 1.73k | Ctx.getTypeSize(SubExpr->getType())); |
2815 | | |
2816 | 4.09k | if (IsIdentityCast || IsSameWidthCast1.37k ) |
2817 | 3.03k | return SubExpr; |
2818 | 23.2k | } else if (auto *NTTP = dyn_cast<SubstNonTypeTemplateParmExpr>(E)) |
2819 | 0 | return NTTP->getReplacement(); |
2820 | | |
2821 | 24.2k | return E; |
2822 | 24.2k | }; |
2823 | 23.6k | return IgnoreExprNodes(this, IgnoreParensSingleStep, |
2824 | 23.6k | IgnoreNoopCastsSingleStep); |
2825 | 23.6k | } |
2826 | | |
2827 | 34.5k | Expr *Expr::IgnoreUnlessSpelledInSource() { |
2828 | 37.1k | auto IgnoreImplicitConstructorSingleStep = [](Expr *E) { |
2829 | 37.1k | if (auto *Cast = dyn_cast<CXXFunctionalCastExpr>(E)) { |
2830 | 21 | auto *SE = Cast->getSubExpr(); |
2831 | 21 | if (SE->getSourceRange() == E->getSourceRange()) |
2832 | 9 | return SE; |
2833 | 37.1k | } |
2834 | | |
2835 | 37.1k | if (auto *C = dyn_cast<CXXConstructExpr>(E)) { |
2836 | 4.20k | auto NumArgs = C->getNumArgs(); |
2837 | 4.20k | if (NumArgs == 1 || |
2838 | 3.90k | (NumArgs > 1 && isa<CXXDefaultArgExpr>(C->getArg(1))23 )) { |
2839 | 300 | Expr *A = C->getArg(0); |
2840 | 300 | if (A->getSourceRange() == E->getSourceRange() || C->isElidable()263 ) |
2841 | 49 | return A; |
2842 | 37.1k | } |
2843 | 4.20k | } |
2844 | 37.1k | return E; |
2845 | 37.1k | }; |
2846 | 37.1k | auto IgnoreImplicitMemberCallSingleStep = [](Expr *E) { |
2847 | 37.1k | if (auto *C = dyn_cast<CXXMemberCallExpr>(E)) { |
2848 | 22 | Expr *ExprNode = C->getImplicitObjectArgument(); |
2849 | 22 | if (ExprNode->getSourceRange() == E->getSourceRange()) { |
2850 | 11 | return ExprNode; |
2851 | 11 | } |
2852 | 11 | if (auto *PE = dyn_cast<ParenExpr>(ExprNode)) { |
2853 | 1 | if (PE->getSourceRange() == C->getSourceRange()) { |
2854 | 0 | return cast<Expr>(PE); |
2855 | 0 | } |
2856 | 11 | } |
2857 | 11 | ExprNode = ExprNode->IgnoreParenImpCasts(); |
2858 | 11 | if (ExprNode->getSourceRange() == E->getSourceRange()) |
2859 | 0 | return ExprNode; |
2860 | 37.1k | } |
2861 | 37.1k | return E; |
2862 | 37.1k | }; |
2863 | 34.5k | return IgnoreExprNodes( |
2864 | 34.5k | this, IgnoreImplicitSingleStep, IgnoreImplicitCastsExtraSingleStep, |
2865 | 34.5k | IgnoreParensOnlySingleStep, IgnoreImplicitConstructorSingleStep, |
2866 | 34.5k | IgnoreImplicitMemberCallSingleStep); |
2867 | 34.5k | } |
2868 | | |
2869 | 690k | bool Expr::isDefaultArgument() const { |
2870 | 690k | const Expr *E = this; |
2871 | 690k | if (const MaterializeTemporaryExpr *M = dyn_cast<MaterializeTemporaryExpr>(E)) |
2872 | 166k | E = M->getSubExpr(); |
2873 | | |
2874 | 841k | while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) |
2875 | 150k | E = ICE->getSubExprAsWritten(); |
2876 | | |
2877 | 690k | return isa<CXXDefaultArgExpr>(E); |
2878 | 690k | } |
2879 | | |
2880 | | /// Skip over any no-op casts and any temporary-binding |
2881 | | /// expressions. |
2882 | 129k | static const Expr *skipTemporaryBindingsNoOpCastsAndParens(const Expr *E) { |
2883 | 129k | if (const MaterializeTemporaryExpr *M = dyn_cast<MaterializeTemporaryExpr>(E)) |
2884 | 68.2k | E = M->getSubExpr(); |
2885 | | |
2886 | 175k | while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { |
2887 | 51.0k | if (ICE->getCastKind() == CK_NoOp) |
2888 | 45.9k | E = ICE->getSubExpr(); |
2889 | 5.09k | else |
2890 | 5.09k | break; |
2891 | 51.0k | } |
2892 | | |
2893 | 144k | while (const CXXBindTemporaryExpr *BE = dyn_cast<CXXBindTemporaryExpr>(E)) |
2894 | 14.2k | E = BE->getSubExpr(); |
2895 | | |
2896 | 129k | while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { |
2897 | 10.4k | if (ICE->getCastKind() == CK_NoOp) |
2898 | 0 | E = ICE->getSubExpr(); |
2899 | 10.4k | else |
2900 | 10.4k | break; |
2901 | 10.4k | } |
2902 | | |
2903 | 129k | return E->IgnoreParens(); |
2904 | 129k | } |
2905 | | |
2906 | | /// isTemporaryObject - Determines if this expression produces a |
2907 | | /// temporary of the given class type. |
2908 | 129k | bool Expr::isTemporaryObject(ASTContext &C, const CXXRecordDecl *TempTy) const { |
2909 | 129k | if (!C.hasSameUnqualifiedType(getType(), C.getTypeDeclType(TempTy))) |
2910 | 19 | return false; |
2911 | | |
2912 | 129k | const Expr *E = skipTemporaryBindingsNoOpCastsAndParens(this); |
2913 | | |
2914 | | // Temporaries are by definition pr-values of class type. |
2915 | 129k | if (!E->Classify(C).isPRValue()) { |
2916 | | // In this context, property reference is a message call and is pr-value. |
2917 | 54.9k | if (!isa<ObjCPropertyRefExpr>(E)) |
2918 | 54.9k | return false; |
2919 | 74.8k | } |
2920 | | |
2921 | | // Black-list a few cases which yield pr-values of class type that don't |
2922 | | // refer to temporaries of that type: |
2923 | | |
2924 | | // - implicit derived-to-base conversions |
2925 | 74.8k | if (isa<ImplicitCastExpr>(E)) { |
2926 | 9.60k | switch (cast<ImplicitCastExpr>(E)->getCastKind()) { |
2927 | 0 | case CK_DerivedToBase: |
2928 | 0 | case CK_UncheckedDerivedToBase: |
2929 | 0 | return false; |
2930 | 9.60k | default: |
2931 | 9.60k | break; |
2932 | 74.8k | } |
2933 | 74.8k | } |
2934 | | |
2935 | | // - member expressions (all) |
2936 | 74.8k | if (isa<MemberExpr>(E)) |
2937 | 0 | return false; |
2938 | | |
2939 | 74.8k | if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) |
2940 | 48 | if (BO->isPtrMemOp()) |
2941 | 0 | return false; |
2942 | | |
2943 | | // - opaque values (all) |
2944 | 74.8k | if (isa<OpaqueValueExpr>(E)) |
2945 | 13 | return false; |
2946 | | |
2947 | 74.8k | return true; |
2948 | 74.8k | } |
2949 | | |
2950 | 9.59M | bool Expr::isImplicitCXXThis() const { |
2951 | 9.59M | const Expr *E = this; |
2952 | | |
2953 | | // Strip away parentheses and casts we don't care about. |
2954 | 10.9M | while (true) { |
2955 | 10.9M | if (const ParenExpr *Paren = dyn_cast<ParenExpr>(E)) { |
2956 | 73.8k | E = Paren->getSubExpr(); |
2957 | 73.8k | continue; |
2958 | 73.8k | } |
2959 | | |
2960 | 10.8M | if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { |
2961 | 1.18M | if (ICE->getCastKind() == CK_NoOp || |
2962 | 833k | ICE->getCastKind() == CK_LValueToRValue || |
2963 | 107k | ICE->getCastKind() == CK_DerivedToBase || |
2964 | 1.18M | ICE->getCastKind() == CK_UncheckedDerivedToBase107k ) { |
2965 | 1.18M | E = ICE->getSubExpr(); |
2966 | 1.18M | continue; |
2967 | 1.18M | } |
2968 | 9.69M | } |
2969 | | |
2970 | 9.69M | if (const UnaryOperator* UnOp = dyn_cast<UnaryOperator>(E)) { |
2971 | 8.65k | if (UnOp->getOpcode() == UO_Extension) { |
2972 | 0 | E = UnOp->getSubExpr(); |
2973 | 0 | continue; |
2974 | 0 | } |
2975 | 9.69M | } |
2976 | | |
2977 | 9.69M | if (const MaterializeTemporaryExpr *M |
2978 | 99.5k | = dyn_cast<MaterializeTemporaryExpr>(E)) { |
2979 | 99.5k | E = M->getSubExpr(); |
2980 | 99.5k | continue; |
2981 | 99.5k | } |
2982 | | |
2983 | 9.59M | break; |
2984 | 9.59M | } |
2985 | | |
2986 | 9.59M | if (const CXXThisExpr *This = dyn_cast<CXXThisExpr>(E)) |
2987 | 2.73M | return This->isImplicit(); |
2988 | | |
2989 | 6.86M | return false; |
2990 | 6.86M | } |
2991 | | |
2992 | | /// hasAnyTypeDependentArguments - Determines if any of the expressions |
2993 | | /// in Exprs is type-dependent. |
2994 | 16.6M | bool Expr::hasAnyTypeDependentArguments(ArrayRef<Expr *> Exprs) { |
2995 | 36.2M | for (unsigned I = 0; I < Exprs.size(); ++I19.5M ) |
2996 | 19.9M | if (Exprs[I]->isTypeDependent()) |
2997 | 435k | return true; |
2998 | | |
2999 | 16.2M | return false; |
3000 | 16.6M | } |
3001 | | |
3002 | | bool Expr::isConstantInitializer(ASTContext &Ctx, bool IsForRef, |
3003 | 72.6k | const Expr **Culprit) const { |
3004 | 72.6k | assert(!isValueDependent() && |
3005 | 72.6k | "Expression evaluator can't be called on a dependent expression."); |
3006 | | |
3007 | | // This function is attempting whether an expression is an initializer |
3008 | | // which can be evaluated at compile-time. It very closely parallels |
3009 | | // ConstExprEmitter in CGExprConstant.cpp; if they don't match, it |
3010 | | // will lead to unexpected results. Like ConstExprEmitter, it falls back |
3011 | | // to isEvaluatable most of the time. |
3012 | | // |
3013 | | // If we ever capture reference-binding directly in the AST, we can |
3014 | | // kill the second parameter. |
3015 | | |
3016 | 72.6k | if (IsForRef) { |
3017 | 134 | EvalResult Result; |
3018 | 134 | if (EvaluateAsLValue(Result, Ctx) && !Result.HasSideEffects90 ) |
3019 | 90 | return true; |
3020 | 44 | if (Culprit) |
3021 | 44 | *Culprit = this; |
3022 | 44 | return false; |
3023 | 44 | } |
3024 | | |
3025 | 72.5k | switch (getStmtClass()) { |
3026 | 14.2k | default: break; |
3027 | 192 | case Stmt::ExprWithCleanupsClass: |
3028 | 192 | return cast<ExprWithCleanups>(this)->getSubExpr()->isConstantInitializer( |
3029 | 192 | Ctx, IsForRef, Culprit); |
3030 | 209 | case StringLiteralClass: |
3031 | 271 | case ObjCEncodeExprClass: |
3032 | 271 | return true; |
3033 | 21 | case CXXTemporaryObjectExprClass: |
3034 | 5.52k | case CXXConstructExprClass: { |
3035 | 5.52k | const CXXConstructExpr *CE = cast<CXXConstructExpr>(this); |
3036 | | |
3037 | 5.52k | if (CE->getConstructor()->isTrivial() && |
3038 | 4.14k | CE->getConstructor()->getParent()->hasTrivialDestructor()) { |
3039 | | // Trivial default constructor |
3040 | 4.13k | if (!CE->getNumArgs()) return true3.88k ; |
3041 | | |
3042 | | // Trivial copy constructor |
3043 | 250 | assert(CE->getNumArgs() == 1 && "trivial ctor with > 1 argument"); |
3044 | 250 | return CE->getArg(0)->isConstantInitializer(Ctx, false, Culprit); |
3045 | 250 | } |
3046 | | |
3047 | 1.39k | break; |
3048 | 1.39k | } |
3049 | 4.83k | case ConstantExprClass: { |
3050 | | // FIXME: We should be able to return "true" here, but it can lead to extra |
3051 | | // error messages. E.g. in Sema/array-init.c. |
3052 | 4.83k | const Expr *Exp = cast<ConstantExpr>(this)->getSubExpr(); |
3053 | 4.83k | return Exp->isConstantInitializer(Ctx, false, Culprit); |
3054 | 1.39k | } |
3055 | 88 | case CompoundLiteralExprClass: { |
3056 | | // This handles gcc's extension that allows global initializers like |
3057 | | // "struct x {int x;} x = (struct x) {};". |
3058 | | // FIXME: This accepts other cases it shouldn't! |
3059 | 88 | const Expr *Exp = cast<CompoundLiteralExpr>(this)->getInitializer(); |
3060 | 88 | return Exp->isConstantInitializer(Ctx, false, Culprit); |
3061 | 1.39k | } |
3062 | 30 | case DesignatedInitUpdateExprClass: { |
3063 | 30 | const DesignatedInitUpdateExpr *DIUE = cast<DesignatedInitUpdateExpr>(this); |
3064 | 30 | return DIUE->getBase()->isConstantInitializer(Ctx, false, Culprit) && |
3065 | 24 | DIUE->getUpdater()->isConstantInitializer(Ctx, false, Culprit); |
3066 | 1.39k | } |
3067 | 9.97k | case InitListExprClass: { |
3068 | 9.97k | const InitListExpr *ILE = cast<InitListExpr>(this); |
3069 | 9.97k | assert(ILE->isSemanticForm() && "InitListExpr must be in semantic form"); |
3070 | 9.97k | if (ILE->getType()->isArrayType()) { |
3071 | 3.85k | unsigned numInits = ILE->getNumInits(); |
3072 | 24.6k | for (unsigned i = 0; i < numInits; i++20.7k ) { |
3073 | 20.9k | if (!ILE->getInit(i)->isConstantInitializer(Ctx, false, Culprit)) |
3074 | 157 | return false; |
3075 | 20.9k | } |
3076 | 3.70k | return true; |
3077 | 6.11k | } |
3078 | | |
3079 | 6.11k | if (ILE->getType()->isRecordType()) { |
3080 | 5.35k | unsigned ElementNo = 0; |
3081 | 5.35k | RecordDecl *RD = ILE->getType()->castAs<RecordType>()->getDecl(); |
3082 | 13.6k | for (const auto *Field : RD->fields()) { |
3083 | | // If this is a union, skip all the fields that aren't being initialized. |
3084 | 13.6k | if (RD->isUnion() && ILE->getInitializedFieldInUnion() != Field1.11k ) |
3085 | 554 | continue; |
3086 | | |
3087 | | // Don't emit anonymous bitfields, they just affect layout. |
3088 | 13.1k | if (Field->isUnnamedBitfield()) |
3089 | 61 | continue; |
3090 | | |
3091 | 13.0k | if (ElementNo < ILE->getNumInits()) { |
3092 | 12.9k | const Expr *Elt = ILE->getInit(ElementNo++); |
3093 | 12.9k | if (Field->isBitField()) { |
3094 | | // Bitfields have to evaluate to an integer. |
3095 | 239 | EvalResult Result; |
3096 | 239 | if (!Elt->EvaluateAsInt(Result, Ctx)) { |
3097 | 3 | if (Culprit) |
3098 | 3 | *Culprit = Elt; |
3099 | 3 | return false; |
3100 | 3 | } |
3101 | 12.7k | } else { |
3102 | 12.7k | bool RefType = Field->getType()->isReferenceType(); |
3103 | 12.7k | if (!Elt->isConstantInitializer(Ctx, RefType, Culprit)) |
3104 | 160 | return false; |
3105 | 12.7k | } |
3106 | 12.9k | } |
3107 | 13.0k | } |
3108 | 5.18k | return true; |
3109 | 765 | } |
3110 | | |
3111 | 765 | break; |
3112 | 765 | } |
3113 | 6.48k | case ImplicitValueInitExprClass: |
3114 | 6.53k | case NoInitExprClass: |
3115 | 6.53k | return true; |
3116 | 629 | case ParenExprClass: |
3117 | 629 | return cast<ParenExpr>(this)->getSubExpr() |
3118 | 629 | ->isConstantInitializer(Ctx, IsForRef, Culprit); |
3119 | 3 | case GenericSelectionExprClass: |
3120 | 3 | return cast<GenericSelectionExpr>(this)->getResultExpr() |
3121 | 3 | ->isConstantInitializer(Ctx, IsForRef, Culprit); |
3122 | 4 | case ChooseExprClass: |
3123 | 4 | if (cast<ChooseExpr>(this)->isConditionDependent()) { |
3124 | 0 | if (Culprit) |
3125 | 0 | *Culprit = this; |
3126 | 0 | return false; |
3127 | 0 | } |
3128 | 4 | return cast<ChooseExpr>(this)->getChosenSubExpr() |
3129 | 4 | ->isConstantInitializer(Ctx, IsForRef, Culprit); |
3130 | 1.44k | case UnaryOperatorClass: { |
3131 | 1.44k | const UnaryOperator* Exp = cast<UnaryOperator>(this); |
3132 | 1.44k | if (Exp->getOpcode() == UO_Extension) |
3133 | 9 | return Exp->getSubExpr()->isConstantInitializer(Ctx, false, Culprit); |
3134 | 1.43k | break; |
3135 | 1.43k | } |
3136 | 43 | case CXXFunctionalCastExprClass: |
3137 | 78 | case CXXStaticCastExprClass: |
3138 | 26.9k | case ImplicitCastExprClass: |
3139 | 28.5k | case CStyleCastExprClass: |
3140 | 28.5k | case ObjCBridgedCastExprClass: |
3141 | 28.5k | case CXXDynamicCastExprClass: |
3142 | 28.6k | case CXXReinterpretCastExprClass: |
3143 | 28.6k | case CXXAddrspaceCastExprClass: |
3144 | 28.6k | case CXXConstCastExprClass: { |
3145 | 28.6k | const CastExpr *CE = cast<CastExpr>(this); |
3146 | | |
3147 | | // Handle misc casts we want to ignore. |
3148 | 28.6k | if (CE->getCastKind() == CK_NoOp || |
3149 | 27.4k | CE->getCastKind() == CK_LValueToRValue || |
3150 | 25.7k | CE->getCastKind() == CK_ToUnion || |
3151 | 25.7k | CE->getCastKind() == CK_ConstructorConversion || |
3152 | 25.7k | CE->getCastKind() == CK_NonAtomicToAtomic || |
3153 | 25.7k | CE->getCastKind() == CK_AtomicToNonAtomic || |
3154 | 25.7k | CE->getCastKind() == CK_IntToOCLSampler) |
3155 | 2.97k | return CE->getSubExpr()->isConstantInitializer(Ctx, false, Culprit); |
3156 | | |
3157 | 25.6k | break; |
3158 | 25.6k | } |
3159 | 104 | case MaterializeTemporaryExprClass: |
3160 | 104 | return cast<MaterializeTemporaryExpr>(this) |
3161 | 104 | ->getSubExpr() |
3162 | 104 | ->isConstantInitializer(Ctx, false, Culprit); |
3163 | | |
3164 | 16 | case SubstNonTypeTemplateParmExprClass: |
3165 | 16 | return cast<SubstNonTypeTemplateParmExpr>(this)->getReplacement() |
3166 | 16 | ->isConstantInitializer(Ctx, false, Culprit); |
3167 | 0 | case CXXDefaultArgExprClass: |
3168 | 0 | return cast<CXXDefaultArgExpr>(this)->getExpr() |
3169 | 0 | ->isConstantInitializer(Ctx, false, Culprit); |
3170 | 0 | case CXXDefaultInitExprClass: |
3171 | 0 | return cast<CXXDefaultInitExpr>(this)->getExpr() |
3172 | 0 | ->isConstantInitializer(Ctx, false, Culprit); |
3173 | 43.5k | } |
3174 | | // Allow certain forms of UB in constant initializers: signed integer |
3175 | | // overflow and floating-point division by zero. We'll give a warning on |
3176 | | // these, but they're common enough that we have to accept them. |
3177 | 43.5k | if (isEvaluatable(Ctx, SE_AllowUndefinedBehavior)) |
3178 | 39.2k | return true; |
3179 | 4.26k | if (Culprit) |
3180 | 2.39k | *Culprit = this; |
3181 | 4.26k | return false; |
3182 | 4.26k | } |
3183 | | |
3184 | 206k | bool CallExpr::isBuiltinAssumeFalse(const ASTContext &Ctx) const { |
3185 | 206k | const FunctionDecl* FD = getDirectCallee(); |
3186 | 206k | if (!FD || (FD->getBuiltinID() != Builtin::BI__assume && |
3187 | 206k | FD->getBuiltinID() != Builtin::BI__builtin_assume)) |
3188 | 206k | return false; |
3189 | | |
3190 | 55 | const Expr* Arg = getArg(0); |
3191 | 55 | bool ArgVal; |
3192 | 55 | return !Arg->isValueDependent() && |
3193 | 55 | Arg->EvaluateAsBooleanCondition(ArgVal, Ctx) && !ArgVal21 ; |
3194 | 55 | } |
3195 | | |
3196 | | namespace { |
3197 | | /// Look for any side effects within a Stmt. |
3198 | | class SideEffectFinder : public ConstEvaluatedExprVisitor<SideEffectFinder> { |
3199 | | typedef ConstEvaluatedExprVisitor<SideEffectFinder> Inherited; |
3200 | | const bool IncludePossibleEffects; |
3201 | | bool HasSideEffects; |
3202 | | |
3203 | | public: |
3204 | | explicit SideEffectFinder(const ASTContext &Context, bool IncludePossible) |
3205 | | : Inherited(Context), |
3206 | 26 | IncludePossibleEffects(IncludePossible), HasSideEffects(false) { } |
3207 | | |
3208 | 26 | bool hasSideEffects() const { return HasSideEffects; } |
3209 | | |
3210 | 5 | void VisitDecl(const Decl *D) { |
3211 | 5 | if (!D) |
3212 | 0 | return; |
3213 | | |
3214 | | // We assume the caller checks subexpressions (eg, the initializer, VLA |
3215 | | // bounds) for side-effects on our behalf. |
3216 | 5 | if (auto *VD = dyn_cast<VarDecl>(D)) { |
3217 | | // Registering a destructor is a side-effect. |
3218 | 3 | if (IncludePossibleEffects && VD->isThisDeclarationADefinition()2 && |
3219 | 2 | VD->needsDestruction(Context)) |
3220 | 2 | HasSideEffects = true; |
3221 | 3 | } |
3222 | 5 | } |
3223 | | |
3224 | 5 | void VisitDeclStmt(const DeclStmt *DS) { |
3225 | 5 | for (auto *D : DS->decls()) |
3226 | 5 | VisitDecl(D); |
3227 | 5 | Inherited::VisitDeclStmt(DS); |
3228 | 5 | } |
3229 | | |
3230 | 49 | void VisitExpr(const Expr *E) { |
3231 | 49 | if (!HasSideEffects && |
3232 | 37 | E->HasSideEffects(Context, IncludePossibleEffects)) |
3233 | 13 | HasSideEffects = true; |
3234 | 49 | } |
3235 | | }; |
3236 | | } |
3237 | | |
3238 | | bool Expr::HasSideEffects(const ASTContext &Ctx, |
3239 | 557k | bool IncludePossibleEffects) const { |
3240 | | // In circumstances where we care about definite side effects instead of |
3241 | | // potential side effects, we want to ignore expressions that are part of a |
3242 | | // macro expansion as a potential side effect. |
3243 | 557k | if (!IncludePossibleEffects && getExprLoc().isMacroID()19.5k ) |
3244 | 2.80k | return false; |
3245 | | |
3246 | 554k | switch (getStmtClass()) { |
3247 | 0 | case NoStmtClass: |
3248 | 0 | #define ABSTRACT_STMT(Type) |
3249 | 0 | #define STMT(Type, Base) case Type##Class: |
3250 | 0 | #define EXPR(Type, Base) |
3251 | 0 | #include "clang/AST/StmtNodes.inc" |
3252 | 0 | llvm_unreachable("unexpected Expr kind"); |
3253 | |
|
3254 | 0 | case DependentScopeDeclRefExprClass: |
3255 | 11 | case CXXUnresolvedConstructExprClass: |
3256 | 11 | case CXXDependentScopeMemberExprClass: |
3257 | 13 | case UnresolvedLookupExprClass: |
3258 | 13 | case UnresolvedMemberExprClass: |
3259 | 13 | case PackExpansionExprClass: |
3260 | 13 | case SubstNonTypeTemplateParmPackExprClass: |
3261 | 13 | case FunctionParmPackExprClass: |
3262 | 13 | case TypoExprClass: |
3263 | 114 | case RecoveryExprClass: |
3264 | 114 | case CXXFoldExprClass: |
3265 | | // Make a conservative assumption for dependent nodes. |
3266 | 114 | return IncludePossibleEffects; |
3267 | | |
3268 | 99.7k | case DeclRefExprClass: |
3269 | 99.7k | case ObjCIvarRefExprClass: |
3270 | 99.8k | case PredefinedExprClass: |
3271 | 153k | case IntegerLiteralClass: |
3272 | 153k | case FixedPointLiteralClass: |
3273 | 156k | case FloatingLiteralClass: |
3274 | 156k | case ImaginaryLiteralClass: |
3275 | 165k | case StringLiteralClass: |
3276 | 168k | case CharacterLiteralClass: |
3277 | 168k | case OffsetOfExprClass: |
3278 | 183k | case ImplicitValueInitExprClass: |
3279 | 184k | case UnaryExprOrTypeTraitExprClass: |
3280 | 184k | case AddrLabelExprClass: |
3281 | 184k | case GNUNullExprClass: |
3282 | 185k | case ArrayInitIndexExprClass: |
3283 | 185k | case NoInitExprClass: |
3284 | 196k | case CXXBoolLiteralExprClass: |
3285 | 199k | case CXXNullPtrLiteralExprClass: |
3286 | 200k | case CXXThisExprClass: |
3287 | 200k | case CXXScalarValueInitExprClass: |
3288 | 201k | case TypeTraitExprClass: |
3289 | 201k | case ArrayTypeTraitExprClass: |
3290 | 201k | case ExpressionTraitExprClass: |
3291 | 201k | case CXXNoexceptExprClass: |
3292 | 201k | case SizeOfPackExprClass: |
3293 | 201k | case ObjCStringLiteralClass: |
3294 | 201k | case ObjCEncodeExprClass: |
3295 | 201k | case ObjCBoolLiteralExprClass: |
3296 | 201k | case ObjCAvailabilityCheckExprClass: |
3297 | 201k | case CXXUuidofExprClass: |
3298 | 203k | case OpaqueValueExprClass: |
3299 | 203k | case SourceLocExprClass: |
3300 | 203k | case ConceptSpecializationExprClass: |
3301 | 203k | case RequiresExprClass: |
3302 | | // These never have a side-effect. |
3303 | 203k | return false; |
3304 | | |
3305 | 11.4k | case ConstantExprClass: |
3306 | | // FIXME: Move this into the "return false;" block above. |
3307 | 11.4k | return cast<ConstantExpr>(this)->getSubExpr()->HasSideEffects( |
3308 | 11.4k | Ctx, IncludePossibleEffects); |
3309 | | |
3310 | 8.62k | case CallExprClass: |
3311 | 9.01k | case CXXOperatorCallExprClass: |
3312 | 11.6k | case CXXMemberCallExprClass: |
3313 | 11.6k | case CUDAKernelCallExprClass: |
3314 | 11.6k | case UserDefinedLiteralClass: { |
3315 | | // We don't know a call definitely has side effects, except for calls |
3316 | | // to pure/const functions that definitely don't. |
3317 | | // If the call itself is considered side-effect free, check the operands. |
3318 | 11.6k | const Decl *FD = cast<CallExpr>(this)->getCalleeDecl(); |
3319 | 11.6k | bool IsPure = FD && (11.6k FD->hasAttr<ConstAttr>()11.6k || FD->hasAttr<PureAttr>()11.5k ); |
3320 | 11.6k | if (IsPure || !IncludePossibleEffects11.5k ) |
3321 | 842 | break; |
3322 | 10.7k | return true; |
3323 | 10.7k | } |
3324 | | |
3325 | 52 | case BlockExprClass: |
3326 | 213 | case CXXBindTemporaryExprClass: |
3327 | 213 | if (!IncludePossibleEffects) |
3328 | 142 | break; |
3329 | 71 | return true; |
3330 | | |
3331 | 0 | case MSPropertyRefExprClass: |
3332 | 0 | case MSPropertySubscriptExprClass: |
3333 | 1.83k | case CompoundAssignOperatorClass: |
3334 | 1.83k | case VAArgExprClass: |
3335 | 1.83k | case AtomicExprClass: |
3336 | 1.84k | case CXXThrowExprClass: |
3337 | 2.00k | case CXXNewExprClass: |
3338 | 2.00k | case CXXDeleteExprClass: |
3339 | 2.00k | case CoawaitExprClass: |
3340 | 2.00k | case DependentCoawaitExprClass: |
3341 | 2.00k | case CoyieldExprClass: |
3342 | | // These always have a side-effect. |
3343 | 2.00k | return true; |
3344 | | |
3345 | 26 | case StmtExprClass: { |
3346 | | // StmtExprs have a side-effect if any substatement does. |
3347 | 26 | SideEffectFinder Finder(Ctx, IncludePossibleEffects); |
3348 | 26 | Finder.Visit(cast<StmtExpr>(this)->getSubStmt()); |
3349 | 26 | return Finder.hasSideEffects(); |
3350 | 2.00k | } |
3351 | | |
3352 | 12.8k | case ExprWithCleanupsClass: |
3353 | 12.8k | if (IncludePossibleEffects) |
3354 | 12.8k | if (cast<ExprWithCleanups>(this)->cleanupsHaveSideEffects()) |
3355 | 232 | return true; |
3356 | 12.5k | break; |
3357 | | |
3358 | 7.81k | case ParenExprClass: |
3359 | 9.36k | case ArraySubscriptExprClass: |
3360 | 9.36k | case MatrixSubscriptExprClass: |
3361 | 9.36k | case OMPArraySectionExprClass: |
3362 | 9.36k | case OMPArrayShapingExprClass: |
3363 | 9.36k | case OMPIteratorExprClass: |
3364 | 45.2k | case MemberExprClass: |
3365 | 45.7k | case ConditionalOperatorClass: |
3366 | 45.7k | case BinaryConditionalOperatorClass: |
3367 | 45.9k | case CompoundLiteralExprClass: |
3368 | 46.0k | case ExtVectorElementExprClass: |
3369 | 46.0k | case DesignatedInitExprClass: |
3370 | 46.0k | case DesignatedInitUpdateExprClass: |
3371 | 46.7k | case ArrayInitLoopExprClass: |
3372 | 46.7k | case ParenListExprClass: |
3373 | 46.7k | case CXXPseudoDestructorExprClass: |
3374 | 46.7k | case CXXRewrittenBinaryOperatorClass: |
3375 | 46.8k | case CXXStdInitializerListExprClass: |
3376 | 55.9k | case SubstNonTypeTemplateParmExprClass: |
3377 | 63.6k | case MaterializeTemporaryExprClass: |
3378 | 63.6k | case ShuffleVectorExprClass: |
3379 | 63.6k | case ConvertVectorExprClass: |
3380 | 63.6k | case AsTypeExprClass: |
3381 | | // These have a side-effect if any subexpression does. |
3382 | 63.6k | break; |
3383 | | |
3384 | 9.88k | case UnaryOperatorClass: |
3385 | 9.88k | if (cast<UnaryOperator>(this)->isIncrementDecrementOp()) |
3386 | 487 | return true; |
3387 | 9.39k | break; |
3388 | | |
3389 | 14.2k | case BinaryOperatorClass: |
3390 | 14.2k | if (cast<BinaryOperator>(this)->isAssignmentOp()) |
3391 | 774 | return true; |
3392 | 13.4k | break; |
3393 | | |
3394 | 18.4k | case InitListExprClass: |
3395 | | // FIXME: The children for an InitListExpr doesn't include the array filler. |
3396 | 18.4k | if (const Expr *E = cast<InitListExpr>(this)->getArrayFiller()) |
3397 | 550 | if (E->HasSideEffects(Ctx, IncludePossibleEffects)) |
3398 | 4 | return true; |
3399 | 18.4k | break; |
3400 | | |
3401 | 1 | case GenericSelectionExprClass: |
3402 | 1 | return cast<GenericSelectionExpr>(this)->getResultExpr()-> |
3403 | 1 | HasSideEffects(Ctx, IncludePossibleEffects); |
3404 | | |
3405 | 4 | case ChooseExprClass: |
3406 | 4 | return cast<ChooseExpr>(this)->getChosenSubExpr()->HasSideEffects( |
3407 | 4 | Ctx, IncludePossibleEffects); |
3408 | | |
3409 | 4 | case CXXDefaultArgExprClass: |
3410 | 4 | return cast<CXXDefaultArgExpr>(this)->getExpr()->HasSideEffects( |
3411 | 4 | Ctx, IncludePossibleEffects); |
3412 | | |
3413 | 1.66k | case CXXDefaultInitExprClass: { |
3414 | 1.66k | const FieldDecl *FD = cast<CXXDefaultInitExpr>(this)->getField(); |
3415 | 1.66k | if (const Expr *E = FD->getInClassInitializer()) |
3416 | 1.66k | return E->HasSideEffects(Ctx, IncludePossibleEffects); |
3417 | | // If we've not yet parsed the initializer, assume it has side-effects. |
3418 | 0 | return true; |
3419 | 0 | } |
3420 | |
|
3421 | 71 | case CXXDynamicCastExprClass: { |
3422 | | // A dynamic_cast expression has side-effects if it can throw. |
3423 | 71 | const CXXDynamicCastExpr *DCE = cast<CXXDynamicCastExpr>(this); |
3424 | 71 | if (DCE->getTypeAsWritten()->isReferenceType() && |
3425 | 22 | DCE->getCastKind() == CK_Dynamic) |
3426 | 22 | return true; |
3427 | 49 | } |
3428 | 49 | LLVM_FALLTHROUGH; |
3429 | 145k | case ImplicitCastExprClass: |
3430 | 149k | case CStyleCastExprClass: |
3431 | 166k | case CXXStaticCastExprClass: |
3432 | 166k | case CXXReinterpretCastExprClass: |
3433 | 166k | case CXXConstCastExprClass: |
3434 | 166k | case CXXAddrspaceCastExprClass: |
3435 | 168k | case CXXFunctionalCastExprClass: |
3436 | 168k | case BuiltinBitCastExprClass: { |
3437 | | // While volatile reads are side-effecting in both C and C++, we treat them |
3438 | | // as having possible (not definite) side-effects. This allows idiomatic |
3439 | | // code to behave without warning, such as sizeof(*v) for a volatile- |
3440 | | // qualified pointer. |
3441 | 168k | if (!IncludePossibleEffects) |
3442 | 2.39k | break; |
3443 | | |
3444 | 165k | const CastExpr *CE = cast<CastExpr>(this); |
3445 | 165k | if (CE->getCastKind() == CK_LValueToRValue && |
3446 | 71.5k | CE->getSubExpr()->getType().isVolatileQualified()) |
3447 | 1.14k | return true; |
3448 | 164k | break; |
3449 | 164k | } |
3450 | | |
3451 | 42 | case CXXTypeidExprClass: |
3452 | | // typeid might throw if its subexpression is potentially-evaluated, so has |
3453 | | // side-effects in that case whether or not its subexpression does. |
3454 | 42 | return cast<CXXTypeidExpr>(this)->isPotentiallyEvaluated(); |
3455 | | |
3456 | 29.3k | case CXXConstructExprClass: |
3457 | 35.7k | case CXXTemporaryObjectExprClass: { |
3458 | 35.7k | const CXXConstructExpr *CE = cast<CXXConstructExpr>(this); |
3459 | 35.7k | if (!CE->getConstructor()->isTrivial() && IncludePossibleEffects14.6k ) |
3460 | 14.5k | return true; |
3461 | | // A trivial constructor does not add any side-effects of its own. Just look |
3462 | | // at its arguments. |
3463 | 21.2k | break; |
3464 | 21.2k | } |
3465 | | |
3466 | 0 | case CXXInheritedCtorInitExprClass: { |
3467 | 0 | const auto *ICIE = cast<CXXInheritedCtorInitExpr>(this); |
3468 | 0 | if (!ICIE->getConstructor()->isTrivial() && IncludePossibleEffects) |
3469 | 0 | return true; |
3470 | 0 | break; |
3471 | 0 | } |
3472 | |
|
3473 | 1.22k | case LambdaExprClass: { |
3474 | 1.22k | const LambdaExpr *LE = cast<LambdaExpr>(this); |
3475 | 1.22k | for (Expr *E : LE->capture_inits()) |
3476 | 97 | if (E && E->HasSideEffects(Ctx, IncludePossibleEffects)96 ) |
3477 | 6 | return true; |
3478 | 1.22k | return false; |
3479 | 1.22k | } |
3480 | | |
3481 | 15 | case PseudoObjectExprClass: { |
3482 | | // Only look for side-effects in the semantic form, and look past |
3483 | | // OpaqueValueExpr bindings in that form. |
3484 | 15 | const PseudoObjectExpr *PO = cast<PseudoObjectExpr>(this); |
3485 | 15 | for (PseudoObjectExpr::const_semantics_iterator I = PO->semantics_begin(), |
3486 | 15 | E = PO->semantics_end(); |
3487 | 41 | I != E; ++I26 ) { |
3488 | 28 | const Expr *Subexpr = *I; |
3489 | 28 | if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(Subexpr)) |
3490 | 13 | Subexpr = OVE->getSourceExpr(); |
3491 | 28 | if (Subexpr->HasSideEffects(Ctx, IncludePossibleEffects)) |
3492 | 2 | return true; |
3493 | 28 | } |
3494 | 13 | return false; |
3495 | 15 | } |
3496 | | |
3497 | 0 | case ObjCBoxedExprClass: |
3498 | 0 | case ObjCArrayLiteralClass: |
3499 | 0 | case ObjCDictionaryLiteralClass: |
3500 | 0 | case ObjCSelectorExprClass: |
3501 | 0 | case ObjCProtocolExprClass: |
3502 | 0 | case ObjCIsaExprClass: |
3503 | 0 | case ObjCIndirectCopyRestoreExprClass: |
3504 | 0 | case ObjCSubscriptRefExprClass: |
3505 | 7 | case ObjCBridgedCastExprClass: |
3506 | 58 | case ObjCMessageExprClass: |
3507 | 58 | case ObjCPropertyRefExprClass: |
3508 | | // FIXME: Classify these cases better. |
3509 | 58 | if (IncludePossibleEffects) |
3510 | 39 | return true; |
3511 | 19 | break; |
3512 | 306k | } |
3513 | | |
3514 | | // Recurse to children. |
3515 | 306k | for (const Stmt *SubStmt : children()) |
3516 | 342k | if (SubStmt && |
3517 | 342k | cast<Expr>(SubStmt)->HasSideEffects(Ctx, IncludePossibleEffects)) |
3518 | 15.2k | return true; |
3519 | | |
3520 | 291k | return false; |
3521 | 306k | } |
3522 | | |
3523 | 160k | FPOptions Expr::getFPFeaturesInEffect(const LangOptions &LO) const { |
3524 | 160k | if (auto Call = dyn_cast<CallExpr>(this)) |
3525 | 3.24k | return Call->getFPFeaturesInEffect(LO); |
3526 | 157k | if (auto UO = dyn_cast<UnaryOperator>(this)) |
3527 | 1.11k | return UO->getFPFeaturesInEffect(LO); |
3528 | 156k | if (auto BO = dyn_cast<BinaryOperator>(this)) |
3529 | 80.3k | return BO->getFPFeaturesInEffect(LO); |
3530 | 76.0k | if (auto Cast = dyn_cast<CastExpr>(this)) |
3531 | 74.5k | return Cast->getFPFeaturesInEffect(LO); |
3532 | 1.44k | return FPOptions::defaultWithoutTrailingStorage(LO); |
3533 | 1.44k | } |
3534 | | |
3535 | | namespace { |
3536 | | /// Look for a call to a non-trivial function within an expression. |
3537 | | class NonTrivialCallFinder : public ConstEvaluatedExprVisitor<NonTrivialCallFinder> |
3538 | | { |
3539 | | typedef ConstEvaluatedExprVisitor<NonTrivialCallFinder> Inherited; |
3540 | | |
3541 | | bool NonTrivial; |
3542 | | |
3543 | | public: |
3544 | | explicit NonTrivialCallFinder(const ASTContext &Context) |
3545 | 4.44k | : Inherited(Context), NonTrivial(false) { } |
3546 | | |
3547 | 4.44k | bool hasNonTrivialCall() const { return NonTrivial; } |
3548 | | |
3549 | 524 | void VisitCallExpr(const CallExpr *E) { |
3550 | 524 | if (const CXXMethodDecl *Method |
3551 | 280 | = dyn_cast_or_null<const CXXMethodDecl>(E->getCalleeDecl())) { |
3552 | 280 | if (Method->isTrivial()) { |
3553 | | // Recurse to children of the call. |
3554 | 186 | Inherited::VisitStmt(E); |
3555 | 186 | return; |
3556 | 186 | } |
3557 | 338 | } |
3558 | | |
3559 | 338 | NonTrivial = true; |
3560 | 338 | } |
3561 | | |
3562 | 228 | void VisitCXXConstructExpr(const CXXConstructExpr *E) { |
3563 | 228 | if (E->getConstructor()->isTrivial()) { |
3564 | | // Recurse to children of the call. |
3565 | 185 | Inherited::VisitStmt(E); |
3566 | 185 | return; |
3567 | 185 | } |
3568 | | |
3569 | 43 | NonTrivial = true; |
3570 | 43 | } |
3571 | | |
3572 | 122 | void VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *E) { |
3573 | 122 | if (E->getTemporary()->getDestructor()->isTrivial()) { |
3574 | 0 | Inherited::VisitStmt(E); |
3575 | 0 | return; |
3576 | 0 | } |
3577 | | |
3578 | 122 | NonTrivial = true; |
3579 | 122 | } |
3580 | | }; |
3581 | | } |
3582 | | |
3583 | 4.44k | bool Expr::hasNonTrivialCall(const ASTContext &Ctx) const { |
3584 | 4.44k | NonTrivialCallFinder Finder(Ctx); |
3585 | 4.44k | Finder.Visit(this); |
3586 | 4.44k | return Finder.hasNonTrivialCall(); |
3587 | 4.44k | } |
3588 | | |
3589 | | /// isNullPointerConstant - C99 6.3.2.3p3 - Return whether this is a null |
3590 | | /// pointer constant or not, as well as the specific kind of constant detected. |
3591 | | /// Null pointer constants can be integer constant expressions with the |
3592 | | /// value zero, casts of zero to void*, nullptr (C++0X), or __null |
3593 | | /// (a GNU extension). |
3594 | | Expr::NullPointerConstantKind |
3595 | | Expr::isNullPointerConstant(ASTContext &Ctx, |
3596 | 2.73M | NullPointerConstantValueDependence NPC) const { |
3597 | 2.73M | if (isValueDependent() && |
3598 | 18.8k | (!Ctx.getLangOpts().CPlusPlus11 || Ctx.getLangOpts().MSVCCompat18.8k )) { |
3599 | | // Error-dependent expr should never be a null pointer. |
3600 | 22 | if (containsErrors()) |
3601 | 2 | return NPCK_NotNull; |
3602 | 20 | switch (NPC) { |
3603 | 0 | case NPC_NeverValueDependent: |
3604 | 0 | llvm_unreachable("Unexpected value dependent expression!"); |
3605 | 16 | case NPC_ValueDependentIsNull: |
3606 | 16 | if (isTypeDependent() || getType()->isIntegralType(Ctx)) |
3607 | 7 | return NPCK_ZeroExpression; |
3608 | 9 | else |
3609 | 9 | return NPCK_NotNull; |
3610 | | |
3611 | 4 | case NPC_ValueDependentIsNotNull: |
3612 | 4 | return NPCK_NotNull; |
3613 | 2.73M | } |
3614 | 2.73M | } |
3615 | | |
3616 | | // Strip off a cast to void*, if it exists. Except in C++. |
3617 | 2.73M | if (const ExplicitCastExpr *CE = dyn_cast<ExplicitCastExpr>(this)) { |
3618 | 165k | if (!Ctx.getLangOpts().CPlusPlus) { |
3619 | | // Check that it is a cast to void*. |
3620 | 138k | if (const PointerType *PT = CE->getType()->getAs<PointerType>()) { |
3621 | 136k | QualType Pointee = PT->getPointeeType(); |
3622 | 136k | Qualifiers Qs = Pointee.getQualifiers(); |
3623 | | // Only (void*)0 or equivalent are treated as nullptr. If pointee type |
3624 | | // has non-default address space it is not treated as nullptr. |
3625 | | // (__generic void*)0 in OpenCL 2.0 should not be treated as nullptr |
3626 | | // since it cannot be assigned to a pointer to constant address space. |
3627 | 136k | if ((Ctx.getLangOpts().OpenCLVersion >= 200 && |
3628 | 1.51k | Pointee.getAddressSpace() == LangAS::opencl_generic) || |
3629 | 135k | (Ctx.getLangOpts().OpenCL && |
3630 | 2.82k | Ctx.getLangOpts().OpenCLVersion < 200 && |
3631 | 1.94k | Pointee.getAddressSpace() == LangAS::opencl_private)) |
3632 | 1.00k | Qs.removeAddressSpace(); |
3633 | | |
3634 | 136k | if (Pointee->isVoidType() && Qs.empty()8.12k && // to void* |
3635 | 6.66k | CE->getSubExpr()->getType()->isIntegerType()) // from int |
3636 | 5.70k | return CE->getSubExpr()->isNullPointerConstant(Ctx, NPC); |
3637 | 2.56M | } |
3638 | 138k | } |
3639 | 2.56M | } else if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(this)) { |
3640 | | // Ignore the ImplicitCastExpr type entirely. |
3641 | 138k | return ICE->getSubExpr()->isNullPointerConstant(Ctx, NPC); |
3642 | 2.43M | } else if (const ParenExpr *PE = dyn_cast<ParenExpr>(this)) { |
3643 | | // Accept ((void*)0) as a null pointer constant, as many other |
3644 | | // implementations do. |
3645 | 26.7k | return PE->getSubExpr()->isNullPointerConstant(Ctx, NPC); |
3646 | 2.40M | } else if (const GenericSelectionExpr *GE = |
3647 | 1 | dyn_cast<GenericSelectionExpr>(this)) { |
3648 | 1 | if (GE->isResultDependent()) |
3649 | 0 | return NPCK_NotNull; |
3650 | 1 | return GE->getResultExpr()->isNullPointerConstant(Ctx, NPC); |
3651 | 2.40M | } else if (const ChooseExpr *CE = dyn_cast<ChooseExpr>(this)) { |
3652 | 1 | if (CE->isConditionDependent()) |
3653 | 0 | return NPCK_NotNull; |
3654 | 1 | return CE->getChosenSubExpr()->isNullPointerConstant(Ctx, NPC); |
3655 | 2.40M | } else if (const CXXDefaultArgExpr *DefaultArg |
3656 | 98 | = dyn_cast<CXXDefaultArgExpr>(this)) { |
3657 | | // See through default argument expressions. |
3658 | 98 | return DefaultArg->getExpr()->isNullPointerConstant(Ctx, NPC); |
3659 | 2.40M | } else if (const CXXDefaultInitExpr *DefaultInit |
3660 | 0 | = dyn_cast<CXXDefaultInitExpr>(this)) { |
3661 | | // See through default initializer expressions. |
3662 | 0 | return DefaultInit->getExpr()->isNullPointerConstant(Ctx, NPC); |
3663 | 2.40M | } else if (isa<GNUNullExpr>(this)) { |
3664 | | // The GNU __null extension is always a null pointer constant. |
3665 | 8.46k | return NPCK_GNUNull; |
3666 | 2.39M | } else if (const MaterializeTemporaryExpr *M |
3667 | 7 | = dyn_cast<MaterializeTemporaryExpr>(this)) { |
3668 | 7 | return M->getSubExpr()->isNullPointerConstant(Ctx, NPC); |
3669 | 2.39M | } else if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(this)) { |
3670 | 1.55k | if (const Expr *Source = OVE->getSourceExpr()) |
3671 | 1.06k | return Source->isNullPointerConstant(Ctx, NPC); |
3672 | 2.55M | } |
3673 | | |
3674 | | // If the expression has no type information, it cannot be a null pointer |
3675 | | // constant. |
3676 | 2.55M | if (getType().isNull()) |
3677 | 10 | return NPCK_NotNull; |
3678 | | |
3679 | | // C++11 nullptr_t is always a null pointer constant. |
3680 | 2.55M | if (getType()->isNullPtrType()) |
3681 | 93.7k | return NPCK_CXX11_nullptr; |
3682 | | |
3683 | 2.45M | if (const RecordType *UT = getType()->getAsUnionType()) |
3684 | 6 | if (!Ctx.getLangOpts().CPlusPlus11 && |
3685 | 6 | UT && UT->getDecl()->hasAttr<TransparentUnionAttr>()) |
3686 | 6 | if (const CompoundLiteralExpr *CLE = dyn_cast<CompoundLiteralExpr>(this)){ |
3687 | 0 | const Expr *InitExpr = CLE->getInitializer(); |
3688 | 0 | if (const InitListExpr *ILE = dyn_cast<InitListExpr>(InitExpr)) |
3689 | 0 | return ILE->getInit(0)->isNullPointerConstant(Ctx, NPC); |
3690 | 2.45M | } |
3691 | | // This expression must be an integer type. |
3692 | 2.45M | if (!getType()->isIntegerType() || |
3693 | 583k | (Ctx.getLangOpts().CPlusPlus && getType()->isEnumeralType()469k )) |
3694 | 1.87M | return NPCK_NotNull; |
3695 | | |
3696 | 580k | if (Ctx.getLangOpts().CPlusPlus11) { |
3697 | | // C++11 [conv.ptr]p1: A null pointer constant is an integer literal with |
3698 | | // value zero or a prvalue of type std::nullptr_t. |
3699 | | // Microsoft mode permits C++98 rules reflecting MSVC behavior. |
3700 | 414k | const IntegerLiteral *Lit = dyn_cast<IntegerLiteral>(this); |
3701 | 414k | if (Lit && !Lit->getValue()196k ) |
3702 | 117k | return NPCK_ZeroLiteral; |
3703 | 296k | else if (!Ctx.getLangOpts().MSVCCompat || !isCXX98IntegralConstantExpr(Ctx)590 ) |
3704 | 296k | return NPCK_NotNull; |
3705 | 166k | } else { |
3706 | | // If we have an integer constant expression, we need to *evaluate* it and |
3707 | | // test for the value 0. |
3708 | 166k | if (!isIntegerConstantExpr(Ctx)) |
3709 | 82.0k | return NPCK_NotNull; |
3710 | 84.9k | } |
3711 | | |
3712 | 84.9k | if (EvaluateKnownConstInt(Ctx) != 0) |
3713 | 35.0k | return NPCK_NotNull; |
3714 | | |
3715 | 49.8k | if (isa<IntegerLiteral>(this)) |
3716 | 48.2k | return NPCK_ZeroLiteral; |
3717 | 1.60k | return NPCK_ZeroExpression; |
3718 | 1.60k | } |
3719 | | |
3720 | | /// If this expression is an l-value for an Objective C |
3721 | | /// property, find the underlying property reference expression. |
3722 | 0 | const ObjCPropertyRefExpr *Expr::getObjCProperty() const { |
3723 | 0 | const Expr *E = this; |
3724 | 0 | while (true) { |
3725 | 0 | assert((E->getValueKind() == VK_LValue && |
3726 | 0 | E->getObjectKind() == OK_ObjCProperty) && |
3727 | 0 | "expression is not a property reference"); |
3728 | 0 | E = E->IgnoreParenCasts(); |
3729 | 0 | if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { |
3730 | 0 | if (BO->getOpcode() == BO_Comma) { |
3731 | 0 | E = BO->getRHS(); |
3732 | 0 | continue; |
3733 | 0 | } |
3734 | 0 | } |
3735 | | |
3736 | 0 | break; |
3737 | 0 | } |
3738 | |
|
3739 | 0 | return cast<ObjCPropertyRefExpr>(E); |
3740 | 0 | } |
3741 | | |
3742 | 375 | bool Expr::isObjCSelfExpr() const { |
3743 | 375 | const Expr *E = IgnoreParenImpCasts(); |
3744 | | |
3745 | 375 | const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E); |
3746 | 375 | if (!DRE) |
3747 | 143 | return false; |
3748 | | |
3749 | 232 | const ImplicitParamDecl *Param = dyn_cast<ImplicitParamDecl>(DRE->getDecl()); |
3750 | 232 | if (!Param) |
3751 | 113 | return false; |
3752 | | |
3753 | 119 | const ObjCMethodDecl *M = dyn_cast<ObjCMethodDecl>(Param->getDeclContext()); |
3754 | 119 | if (!M) |
3755 | 0 | return false; |
3756 | | |
3757 | 119 | return M->getSelfDecl() == Param; |
3758 | 119 | } |
3759 | | |
3760 | 14.2M | FieldDecl *Expr::getSourceBitField() { |
3761 | 14.2M | Expr *E = this->IgnoreParens(); |
3762 | | |
3763 | 17.0M | while (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { |
3764 | 2.85M | if (ICE->getCastKind() == CK_LValueToRValue || |
3765 | 34.7k | (ICE->getValueKind() != VK_RValue && ICE->getCastKind() == CK_NoOp47 )) |
3766 | 2.81M | E = ICE->getSubExpr()->IgnoreParens(); |
3767 | 34.7k | else |
3768 | 34.7k | break; |
3769 | 2.85M | } |
3770 | | |
3771 | 14.2M | if (MemberExpr *MemRef = dyn_cast<MemberExpr>(E)) |
3772 | 198k | if (FieldDecl *Field = dyn_cast<FieldDecl>(MemRef->getMemberDecl())) |
3773 | 198k | if (Field->isBitField()) |
3774 | 5.25k | return Field; |
3775 | | |
3776 | 14.2M | if (ObjCIvarRefExpr *IvarRef = dyn_cast<ObjCIvarRefExpr>(E)) { |
3777 | 1.74k | FieldDecl *Ivar = IvarRef->getDecl(); |
3778 | 1.74k | if (Ivar->isBitField()) |
3779 | 214 | return Ivar; |
3780 | 14.2M | } |
3781 | | |
3782 | 14.2M | if (DeclRefExpr *DeclRef = dyn_cast<DeclRefExpr>(E)) { |
3783 | 5.16M | if (FieldDecl *Field = dyn_cast<FieldDecl>(DeclRef->getDecl())) |
3784 | 15 | if (Field->isBitField()) |
3785 | 0 | return Field; |
3786 | | |
3787 | 5.16M | if (BindingDecl *BD = dyn_cast<BindingDecl>(DeclRef->getDecl())) |
3788 | 247 | if (Expr *E = BD->getBinding()) |
3789 | 247 | return E->getSourceBitField(); |
3790 | 14.2M | } |
3791 | | |
3792 | 14.2M | if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(E)) { |
3793 | 1.98M | if (BinOp->isAssignmentOp() && BinOp->getLHS()967 ) |
3794 | 967 | return BinOp->getLHS()->getSourceBitField(); |
3795 | | |
3796 | 1.97M | if (BinOp->getOpcode() == BO_Comma && BinOp->getRHS()130 ) |
3797 | 130 | return BinOp->getRHS()->getSourceBitField(); |
3798 | 14.2M | } |
3799 | | |
3800 | 14.2M | if (UnaryOperator *UnOp = dyn_cast<UnaryOperator>(E)) |
3801 | 94.3k | if (UnOp->isPrefix() && UnOp->isIncrementDecrementOp()2.95k ) |
3802 | 2.95k | return UnOp->getSubExpr()->getSourceBitField(); |
3803 | | |
3804 | 14.2M | return nullptr; |
3805 | 14.2M | } |
3806 | | |
3807 | 313k | bool Expr::refersToVectorElement() const { |
3808 | | // FIXME: Why do we not just look at the ObjectKind here? |
3809 | 313k | const Expr *E = this->IgnoreParens(); |
3810 | | |
3811 | 318k | while (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E)) { |
3812 | 12.1k | if (ICE->getValueKind() != VK_RValue && |
3813 | 12.1k | ICE->getCastKind() == CK_NoOp) |
3814 | 5.08k | E = ICE->getSubExpr()->IgnoreParens(); |
3815 | 7.08k | else |
3816 | 7.08k | break; |
3817 | 12.1k | } |
3818 | | |
3819 | 313k | if (const ArraySubscriptExpr *ASE = dyn_cast<ArraySubscriptExpr>(E)) |
3820 | 3.58k | return ASE->getBase()->getType()->isVectorType(); |
3821 | | |
3822 | 310k | if (isa<ExtVectorElementExpr>(E)) |
3823 | 9 | return true; |
3824 | | |
3825 | 310k | if (auto *DRE = dyn_cast<DeclRefExpr>(E)) |
3826 | 177k | if (auto *BD = dyn_cast<BindingDecl>(DRE->getDecl())) |
3827 | 1 | if (auto *E = BD->getBinding()) |
3828 | 1 | return E->refersToVectorElement(); |
3829 | | |
3830 | 310k | return false; |
3831 | 310k | } |
3832 | | |
3833 | 909 | bool Expr::refersToGlobalRegisterVar() const { |
3834 | 909 | const Expr *E = this->IgnoreParenImpCasts(); |
3835 | | |
3836 | 909 | if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E)) |
3837 | 614 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) |
3838 | 614 | if (VD->getStorageClass() == SC_Register && |
3839 | 145 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl()2 ) |
3840 | 2 | return true; |
3841 | | |
3842 | 907 | return false; |
3843 | 907 | } |
3844 | | |
3845 | 561k | bool Expr::isSameComparisonOperand(const Expr* E1, const Expr* E2) { |
3846 | 561k | E1 = E1->IgnoreParens(); |
3847 | 561k | E2 = E2->IgnoreParens(); |
3848 | | |
3849 | 561k | if (E1->getStmtClass() != E2->getStmtClass()) |
3850 | 286k | return false; |
3851 | | |
3852 | 274k | switch (E1->getStmtClass()) { |
3853 | 67.2k | default: |
3854 | 67.2k | return false; |
3855 | 9 | case CXXThisExprClass: |
3856 | 9 | return true; |
3857 | 4.16k | case DeclRefExprClass: { |
3858 | | // DeclRefExpr without an ImplicitCastExpr can happen for integral |
3859 | | // template parameters. |
3860 | 4.16k | const auto *DRE1 = cast<DeclRefExpr>(E1); |
3861 | 4.16k | const auto *DRE2 = cast<DeclRefExpr>(E2); |
3862 | 4.16k | return DRE1->isRValue() && DRE2->isRValue()3.78k && |
3863 | 3.78k | DRE1->getDecl() == DRE2->getDecl(); |
3864 | 0 | } |
3865 | 203k | case ImplicitCastExprClass: { |
3866 | | // Peel off implicit casts. |
3867 | 204k | while (true) { |
3868 | 204k | const auto *ICE1 = dyn_cast<ImplicitCastExpr>(E1); |
3869 | 204k | const auto *ICE2 = dyn_cast<ImplicitCastExpr>(E2); |
3870 | 204k | if (!ICE1 || !ICE2203k ) |
3871 | 1.32k | return false; |
3872 | 203k | if (ICE1->getCastKind() != ICE2->getCastKind()) |
3873 | 930 | return false; |
3874 | 202k | E1 = ICE1->getSubExpr()->IgnoreParens(); |
3875 | 202k | E2 = ICE2->getSubExpr()->IgnoreParens(); |
3876 | | // The final cast must be one of these types. |
3877 | 202k | if (ICE1->getCastKind() == CK_LValueToRValue || |
3878 | 1.57k | ICE1->getCastKind() == CK_ArrayToPointerDecay || |
3879 | 201k | ICE1->getCastKind() == CK_FunctionToPointerDecay1.36k ) { |
3880 | 201k | break; |
3881 | 201k | } |
3882 | 202k | } |
3883 | | |
3884 | 201k | const auto *DRE1 = dyn_cast<DeclRefExpr>(E1); |
3885 | 201k | const auto *DRE2 = dyn_cast<DeclRefExpr>(E2); |
3886 | 201k | if (DRE1 && DRE2192k ) |
3887 | 188k | return declaresSameEntity(DRE1->getDecl(), DRE2->getDecl()); |
3888 | | |
3889 | 12.8k | const auto *Ivar1 = dyn_cast<ObjCIvarRefExpr>(E1); |
3890 | 12.8k | const auto *Ivar2 = dyn_cast<ObjCIvarRefExpr>(E2); |
3891 | 12.8k | if (Ivar1 && Ivar217 ) { |
3892 | 8 | return Ivar1->isFreeIvar() && Ivar2->isFreeIvar()7 && |
3893 | 7 | declaresSameEntity(Ivar1->getDecl(), Ivar2->getDecl()); |
3894 | 8 | } |
3895 | | |
3896 | 12.8k | const auto *Array1 = dyn_cast<ArraySubscriptExpr>(E1); |
3897 | 12.8k | const auto *Array2 = dyn_cast<ArraySubscriptExpr>(E2); |
3898 | 12.8k | if (Array1 && Array2307 ) { |
3899 | 295 | if (!isSameComparisonOperand(Array1->getBase(), Array2->getBase())) |
3900 | 212 | return false; |
3901 | | |
3902 | 83 | auto Idx1 = Array1->getIdx(); |
3903 | 83 | auto Idx2 = Array2->getIdx(); |
3904 | 83 | const auto Integer1 = dyn_cast<IntegerLiteral>(Idx1); |
3905 | 83 | const auto Integer2 = dyn_cast<IntegerLiteral>(Idx2); |
3906 | 83 | if (Integer1 && Integer275 ) { |
3907 | 75 | if (!llvm::APInt::isSameValue(Integer1->getValue(), |
3908 | 75 | Integer2->getValue())) |
3909 | 72 | return false; |
3910 | 8 | } else { |
3911 | 8 | if (!isSameComparisonOperand(Idx1, Idx2)) |
3912 | 3 | return false; |
3913 | 8 | } |
3914 | | |
3915 | 8 | return true; |
3916 | 8 | } |
3917 | | |
3918 | | // Walk the MemberExpr chain. |
3919 | 15.1k | while (12.5k isa<MemberExpr>(E1) && isa<MemberExpr>(E2)6.04k ) { |
3920 | 4.51k | const auto *ME1 = cast<MemberExpr>(E1); |
3921 | 4.51k | const auto *ME2 = cast<MemberExpr>(E2); |
3922 | 4.51k | if (!declaresSameEntity(ME1->getMemberDecl(), ME2->getMemberDecl())) |
3923 | 1.90k | return false; |
3924 | 2.61k | if (const auto *D = dyn_cast<VarDecl>(ME1->getMemberDecl())) |
3925 | 1 | if (D->isStaticDataMember()) |
3926 | 1 | return true; |
3927 | 2.61k | E1 = ME1->getBase()->IgnoreParenImpCasts(); |
3928 | 2.61k | E2 = ME2->getBase()->IgnoreParenImpCasts(); |
3929 | 2.61k | } |
3930 | | |
3931 | 10.6k | if (isa<CXXThisExpr>(E1) && isa<CXXThisExpr>(E2)139 ) |
3932 | 2 | return true; |
3933 | | |
3934 | | // A static member variable can end the MemberExpr chain with either |
3935 | | // a MemberExpr or a DeclRefExpr. |
3936 | 21.3k | auto getAnyDecl = [](const Expr *E) -> const ValueDecl * 10.6k { |
3937 | 21.3k | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
3938 | 12.6k | return DRE->getDecl(); |
3939 | 8.65k | if (const auto *ME = dyn_cast<MemberExpr>(E)) |
3940 | 5.99k | return ME->getMemberDecl(); |
3941 | 2.66k | return nullptr; |
3942 | 2.66k | }; |
3943 | | |
3944 | 10.6k | const ValueDecl *VD1 = getAnyDecl(E1); |
3945 | 10.6k | const ValueDecl *VD2 = getAnyDecl(E2); |
3946 | 10.6k | return declaresSameEntity(VD1, VD2); |
3947 | 10.6k | } |
3948 | 274k | } |
3949 | 274k | } |
3950 | | |
3951 | | /// isArrow - Return true if the base expression is a pointer to vector, |
3952 | | /// return false if the base expression is a vector. |
3953 | 365 | bool ExtVectorElementExpr::isArrow() const { |
3954 | 365 | return getBase()->getType()->isPointerType(); |
3955 | 365 | } |
3956 | | |
3957 | 292 | unsigned ExtVectorElementExpr::getNumElements() const { |
3958 | 292 | if (const VectorType *VT = getType()->getAs<VectorType>()) |
3959 | 65 | return VT->getNumElements(); |
3960 | 227 | return 1; |
3961 | 227 | } |
3962 | | |
3963 | | /// containsDuplicateElements - Return true if any element access is repeated. |
3964 | 89 | bool ExtVectorElementExpr::containsDuplicateElements() const { |
3965 | | // FIXME: Refactor this code to an accessor on the AST node which returns the |
3966 | | // "type" of component access, and share with code below and in Sema. |
3967 | 89 | StringRef Comp = Accessor->getName(); |
3968 | | |
3969 | | // Halving swizzles do not contain duplicate elements. |
3970 | 89 | if (Comp == "hi" || Comp == "lo"87 || Comp == "even"73 || Comp == "odd"62 ) |
3971 | 28 | return false; |
3972 | | |
3973 | | // Advance past s-char prefix on hex swizzles. |
3974 | 61 | if (Comp[0] == 's' || Comp[0] == 'S') |
3975 | 0 | Comp = Comp.substr(1); |
3976 | | |
3977 | 136 | for (unsigned i = 0, e = Comp.size(); i != e; ++i75 ) |
3978 | 83 | if (Comp.substr(i + 1).find(Comp[i]) != StringRef::npos) |
3979 | 8 | return true; |
3980 | | |
3981 | 53 | return false; |
3982 | 61 | } |
3983 | | |
3984 | | /// getEncodedElementAccess - We encode the fields as a llvm ConstantArray. |
3985 | | void ExtVectorElementExpr::getEncodedElementAccess( |
3986 | 292 | SmallVectorImpl<uint32_t> &Elts) const { |
3987 | 292 | StringRef Comp = Accessor->getName(); |
3988 | 292 | bool isNumericAccessor = false; |
3989 | 292 | if (Comp[0] == 's' || Comp[0] == 'S'285 ) { |
3990 | 7 | Comp = Comp.substr(1); |
3991 | 7 | isNumericAccessor = true; |
3992 | 7 | } |
3993 | | |
3994 | 292 | bool isHi = Comp == "hi"; |
3995 | 292 | bool isLo = Comp == "lo"; |
3996 | 292 | bool isEven = Comp == "even"; |
3997 | 292 | bool isOdd = Comp == "odd"; |
3998 | | |
3999 | 703 | for (unsigned i = 0, e = getNumElements(); i != e; ++i411 ) { |
4000 | 411 | uint64_t Index; |
4001 | | |
4002 | 411 | if (isHi) |
4003 | 14 | Index = e + i; |
4004 | 397 | else if (isLo) |
4005 | 46 | Index = i; |
4006 | 351 | else if (isEven) |
4007 | 5 | Index = 2 * i; |
4008 | 346 | else if (isOdd) |
4009 | 2 | Index = 2 * i + 1; |
4010 | 344 | else |
4011 | 344 | Index = ExtVectorType::getAccessorIdx(Comp[i], isNumericAccessor); |
4012 | | |
4013 | 411 | Elts.push_back(Index); |
4014 | 411 | } |
4015 | 292 | } |
4016 | | |
4017 | | ShuffleVectorExpr::ShuffleVectorExpr(const ASTContext &C, ArrayRef<Expr *> args, |
4018 | | QualType Type, SourceLocation BLoc, |
4019 | | SourceLocation RP) |
4020 | | : Expr(ShuffleVectorExprClass, Type, VK_RValue, OK_Ordinary), |
4021 | 143k | BuiltinLoc(BLoc), RParenLoc(RP), NumExprs(args.size()) { |
4022 | 143k | SubExprs = new (C) Stmt*[args.size()]; |
4023 | 1.41M | for (unsigned i = 0; i != args.size(); i++1.27M ) |
4024 | 1.27M | SubExprs[i] = args[i]; |
4025 | | |
4026 | 143k | setDependence(computeDependence(this)); |
4027 | 143k | } |
4028 | | |
4029 | 2 | void ShuffleVectorExpr::setExprs(const ASTContext &C, ArrayRef<Expr *> Exprs) { |
4030 | 2 | if (SubExprs) C.Deallocate(SubExprs)0 ; |
4031 | | |
4032 | 2 | this->NumExprs = Exprs.size(); |
4033 | 2 | SubExprs = new (C) Stmt*[NumExprs]; |
4034 | 2 | memcpy(SubExprs, Exprs.data(), sizeof(Expr *) * Exprs.size()); |
4035 | 2 | } |
4036 | | |
4037 | | GenericSelectionExpr::GenericSelectionExpr( |
4038 | | const ASTContext &, SourceLocation GenericLoc, Expr *ControllingExpr, |
4039 | | ArrayRef<TypeSourceInfo *> AssocTypes, ArrayRef<Expr *> AssocExprs, |
4040 | | SourceLocation DefaultLoc, SourceLocation RParenLoc, |
4041 | | bool ContainsUnexpandedParameterPack, unsigned ResultIndex) |
4042 | | : Expr(GenericSelectionExprClass, AssocExprs[ResultIndex]->getType(), |
4043 | | AssocExprs[ResultIndex]->getValueKind(), |
4044 | | AssocExprs[ResultIndex]->getObjectKind()), |
4045 | | NumAssocs(AssocExprs.size()), ResultIndex(ResultIndex), |
4046 | 437 | DefaultLoc(DefaultLoc), RParenLoc(RParenLoc) { |
4047 | 437 | assert(AssocTypes.size() == AssocExprs.size() && |
4048 | 437 | "Must have the same number of association expressions" |
4049 | 437 | " and TypeSourceInfo!"); |
4050 | 437 | assert(ResultIndex < NumAssocs && "ResultIndex is out-of-bounds!"); |
4051 | | |
4052 | 437 | GenericSelectionExprBits.GenericLoc = GenericLoc; |
4053 | 437 | getTrailingObjects<Stmt *>()[ControllingIndex] = ControllingExpr; |
4054 | 437 | std::copy(AssocExprs.begin(), AssocExprs.end(), |
4055 | 437 | getTrailingObjects<Stmt *>() + AssocExprStartIndex); |
4056 | 437 | std::copy(AssocTypes.begin(), AssocTypes.end(), |
4057 | 437 | getTrailingObjects<TypeSourceInfo *>()); |
4058 | | |
4059 | 437 | setDependence(computeDependence(this, ContainsUnexpandedParameterPack)); |
4060 | 437 | } |
4061 | | |
4062 | | GenericSelectionExpr::GenericSelectionExpr( |
4063 | | const ASTContext &Context, SourceLocation GenericLoc, Expr *ControllingExpr, |
4064 | | ArrayRef<TypeSourceInfo *> AssocTypes, ArrayRef<Expr *> AssocExprs, |
4065 | | SourceLocation DefaultLoc, SourceLocation RParenLoc, |
4066 | | bool ContainsUnexpandedParameterPack) |
4067 | | : Expr(GenericSelectionExprClass, Context.DependentTy, VK_RValue, |
4068 | | OK_Ordinary), |
4069 | | NumAssocs(AssocExprs.size()), ResultIndex(ResultDependentIndex), |
4070 | 10 | DefaultLoc(DefaultLoc), RParenLoc(RParenLoc) { |
4071 | 10 | assert(AssocTypes.size() == AssocExprs.size() && |
4072 | 10 | "Must have the same number of association expressions" |
4073 | 10 | " and TypeSourceInfo!"); |
4074 | | |
4075 | 10 | GenericSelectionExprBits.GenericLoc = GenericLoc; |
4076 | 10 | getTrailingObjects<Stmt *>()[ControllingIndex] = ControllingExpr; |
4077 | 10 | std::copy(AssocExprs.begin(), AssocExprs.end(), |
4078 | 10 | getTrailingObjects<Stmt *>() + AssocExprStartIndex); |
4079 | 10 | std::copy(AssocTypes.begin(), AssocTypes.end(), |
4080 | 10 | getTrailingObjects<TypeSourceInfo *>()); |
4081 | | |
4082 | 10 | setDependence(computeDependence(this, ContainsUnexpandedParameterPack)); |
4083 | 10 | } |
4084 | | |
4085 | | GenericSelectionExpr::GenericSelectionExpr(EmptyShell Empty, unsigned NumAssocs) |
4086 | 9 | : Expr(GenericSelectionExprClass, Empty), NumAssocs(NumAssocs) {} |
4087 | | |
4088 | | GenericSelectionExpr *GenericSelectionExpr::Create( |
4089 | | const ASTContext &Context, SourceLocation GenericLoc, Expr *ControllingExpr, |
4090 | | ArrayRef<TypeSourceInfo *> AssocTypes, ArrayRef<Expr *> AssocExprs, |
4091 | | SourceLocation DefaultLoc, SourceLocation RParenLoc, |
4092 | 437 | bool ContainsUnexpandedParameterPack, unsigned ResultIndex) { |
4093 | 437 | unsigned NumAssocs = AssocExprs.size(); |
4094 | 437 | void *Mem = Context.Allocate( |
4095 | 437 | totalSizeToAlloc<Stmt *, TypeSourceInfo *>(1 + NumAssocs, NumAssocs), |
4096 | 437 | alignof(GenericSelectionExpr)); |
4097 | 437 | return new (Mem) GenericSelectionExpr( |
4098 | 437 | Context, GenericLoc, ControllingExpr, AssocTypes, AssocExprs, DefaultLoc, |
4099 | 437 | RParenLoc, ContainsUnexpandedParameterPack, ResultIndex); |
4100 | 437 | } |
4101 | | |
4102 | | GenericSelectionExpr *GenericSelectionExpr::Create( |
4103 | | const ASTContext &Context, SourceLocation GenericLoc, Expr *ControllingExpr, |
4104 | | ArrayRef<TypeSourceInfo *> AssocTypes, ArrayRef<Expr *> AssocExprs, |
4105 | | SourceLocation DefaultLoc, SourceLocation RParenLoc, |
4106 | 10 | bool ContainsUnexpandedParameterPack) { |
4107 | 10 | unsigned NumAssocs = AssocExprs.size(); |
4108 | 10 | void *Mem = Context.Allocate( |
4109 | 10 | totalSizeToAlloc<Stmt *, TypeSourceInfo *>(1 + NumAssocs, NumAssocs), |
4110 | 10 | alignof(GenericSelectionExpr)); |
4111 | 10 | return new (Mem) GenericSelectionExpr( |
4112 | 10 | Context, GenericLoc, ControllingExpr, AssocTypes, AssocExprs, DefaultLoc, |
4113 | 10 | RParenLoc, ContainsUnexpandedParameterPack); |
4114 | 10 | } |
4115 | | |
4116 | | GenericSelectionExpr * |
4117 | | GenericSelectionExpr::CreateEmpty(const ASTContext &Context, |
4118 | 9 | unsigned NumAssocs) { |
4119 | 9 | void *Mem = Context.Allocate( |
4120 | 9 | totalSizeToAlloc<Stmt *, TypeSourceInfo *>(1 + NumAssocs, NumAssocs), |
4121 | 9 | alignof(GenericSelectionExpr)); |
4122 | 9 | return new (Mem) GenericSelectionExpr(EmptyShell(), NumAssocs); |
4123 | 9 | } |
4124 | | |
4125 | | //===----------------------------------------------------------------------===// |
4126 | | // DesignatedInitExpr |
4127 | | //===----------------------------------------------------------------------===// |
4128 | | |
4129 | 4.11k | IdentifierInfo *DesignatedInitExpr::Designator::getFieldName() const { |
4130 | 4.11k | assert(Kind == FieldDesignator && "Only valid on a field designator"); |
4131 | 4.11k | if (Field.NameOrField & 0x01) |
4132 | 3.92k | return reinterpret_cast<IdentifierInfo *>(Field.NameOrField&~0x01); |
4133 | 193 | else |
4134 | 193 | return getField()->getIdentifier(); |
4135 | 4.11k | } |
4136 | | |
4137 | | DesignatedInitExpr::DesignatedInitExpr(const ASTContext &C, QualType Ty, |
4138 | | llvm::ArrayRef<Designator> Designators, |
4139 | | SourceLocation EqualOrColonLoc, |
4140 | | bool GNUSyntax, |
4141 | | ArrayRef<Expr *> IndexExprs, Expr *Init) |
4142 | | : Expr(DesignatedInitExprClass, Ty, Init->getValueKind(), |
4143 | | Init->getObjectKind()), |
4144 | | EqualOrColonLoc(EqualOrColonLoc), GNUSyntax(GNUSyntax), |
4145 | 1.93k | NumDesignators(Designators.size()), NumSubExprs(IndexExprs.size() + 1) { |
4146 | 1.93k | this->Designators = new (C) Designator[NumDesignators]; |
4147 | | |
4148 | | // Record the initializer itself. |
4149 | 1.93k | child_iterator Child = child_begin(); |
4150 | 1.93k | *Child++ = Init; |
4151 | | |
4152 | | // Copy the designators and their subexpressions, computing |
4153 | | // value-dependence along the way. |
4154 | 1.93k | unsigned IndexIdx = 0; |
4155 | 4.21k | for (unsigned I = 0; I != NumDesignators; ++I2.27k ) { |
4156 | 2.27k | this->Designators[I] = Designators[I]; |
4157 | 2.27k | if (this->Designators[I].isArrayDesignator()) { |
4158 | | // Copy the index expressions into permanent storage. |
4159 | 371 | *Child++ = IndexExprs[IndexIdx++]; |
4160 | 1.90k | } else if (this->Designators[I].isArrayRangeDesignator()) { |
4161 | | // Copy the start/end expressions into permanent storage. |
4162 | 27 | *Child++ = IndexExprs[IndexIdx++]; |
4163 | 27 | *Child++ = IndexExprs[IndexIdx++]; |
4164 | 27 | } |
4165 | 2.27k | } |
4166 | | |
4167 | 1.93k | assert(IndexIdx == IndexExprs.size() && "Wrong number of index expressions"); |
4168 | 1.93k | setDependence(computeDependence(this)); |
4169 | 1.93k | } |
4170 | | |
4171 | | DesignatedInitExpr * |
4172 | | DesignatedInitExpr::Create(const ASTContext &C, |
4173 | | llvm::ArrayRef<Designator> Designators, |
4174 | | ArrayRef<Expr*> IndexExprs, |
4175 | | SourceLocation ColonOrEqualLoc, |
4176 | 1.93k | bool UsesColonSyntax, Expr *Init) { |
4177 | 1.93k | void *Mem = C.Allocate(totalSizeToAlloc<Stmt *>(IndexExprs.size() + 1), |
4178 | 1.93k | alignof(DesignatedInitExpr)); |
4179 | 1.93k | return new (Mem) DesignatedInitExpr(C, C.VoidTy, Designators, |
4180 | 1.93k | ColonOrEqualLoc, UsesColonSyntax, |
4181 | 1.93k | IndexExprs, Init); |
4182 | 1.93k | } |
4183 | | |
4184 | | DesignatedInitExpr *DesignatedInitExpr::CreateEmpty(const ASTContext &C, |
4185 | 38 | unsigned NumIndexExprs) { |
4186 | 38 | void *Mem = C.Allocate(totalSizeToAlloc<Stmt *>(NumIndexExprs + 1), |
4187 | 38 | alignof(DesignatedInitExpr)); |
4188 | 38 | return new (Mem) DesignatedInitExpr(NumIndexExprs + 1); |
4189 | 38 | } |
4190 | | |
4191 | | void DesignatedInitExpr::setDesignators(const ASTContext &C, |
4192 | | const Designator *Desigs, |
4193 | 38 | unsigned NumDesigs) { |
4194 | 38 | Designators = new (C) Designator[NumDesigs]; |
4195 | 38 | NumDesignators = NumDesigs; |
4196 | 85 | for (unsigned I = 0; I != NumDesigs; ++I47 ) |
4197 | 47 | Designators[I] = Desigs[I]; |
4198 | 38 | } |
4199 | | |
4200 | 68 | SourceRange DesignatedInitExpr::getDesignatorsSourceRange() const { |
4201 | 68 | DesignatedInitExpr *DIE = const_cast<DesignatedInitExpr*>(this); |
4202 | 68 | if (size() == 1) |
4203 | 0 | return DIE->getDesignator(0)->getSourceRange(); |
4204 | 68 | return SourceRange(DIE->getDesignator(0)->getBeginLoc(), |
4205 | 68 | DIE->getDesignator(size() - 1)->getEndLoc()); |
4206 | 68 | } |
4207 | | |
4208 | 5.11k | SourceLocation DesignatedInitExpr::getBeginLoc() const { |
4209 | 5.11k | SourceLocation StartLoc; |
4210 | 5.11k | auto *DIE = const_cast<DesignatedInitExpr *>(this); |
4211 | 5.11k | Designator &First = *DIE->getDesignator(0); |
4212 | 5.11k | if (First.isFieldDesignator()) |
4213 | 4.74k | StartLoc = GNUSyntax ? First.Field.FieldLoc24 : First.Field.DotLoc4.71k ; |
4214 | 373 | else |
4215 | 373 | StartLoc = First.ArrayOrRange.LBracketLoc; |
4216 | 5.11k | return StartLoc; |
4217 | 5.11k | } |
4218 | | |
4219 | 963 | SourceLocation DesignatedInitExpr::getEndLoc() const { |
4220 | 963 | return getInit()->getEndLoc(); |
4221 | 963 | } |
4222 | | |
4223 | 1.10k | Expr *DesignatedInitExpr::getArrayIndex(const Designator& D) const { |
4224 | 1.10k | assert(D.Kind == Designator::ArrayDesignator && "Requires array designator"); |
4225 | 1.10k | return getSubExpr(D.ArrayOrRange.Index + 1); |
4226 | 1.10k | } |
4227 | | |
4228 | 90 | Expr *DesignatedInitExpr::getArrayRangeStart(const Designator &D) const { |
4229 | 90 | assert(D.Kind == Designator::ArrayRangeDesignator && |
4230 | 90 | "Requires array range designator"); |
4231 | 90 | return getSubExpr(D.ArrayOrRange.Index + 1); |
4232 | 90 | } |
4233 | | |
4234 | 132 | Expr *DesignatedInitExpr::getArrayRangeEnd(const Designator &D) const { |
4235 | 132 | assert(D.Kind == Designator::ArrayRangeDesignator && |
4236 | 132 | "Requires array range designator"); |
4237 | 132 | return getSubExpr(D.ArrayOrRange.Index + 2); |
4238 | 132 | } |
4239 | | |
4240 | | /// Replaces the designator at index @p Idx with the series |
4241 | | /// of designators in [First, Last). |
4242 | | void DesignatedInitExpr::ExpandDesignator(const ASTContext &C, unsigned Idx, |
4243 | | const Designator *First, |
4244 | 34 | const Designator *Last) { |
4245 | 34 | unsigned NumNewDesignators = Last - First; |
4246 | 34 | if (NumNewDesignators == 0) { |
4247 | 0 | std::copy_backward(Designators + Idx + 1, |
4248 | 0 | Designators + NumDesignators, |
4249 | 0 | Designators + Idx); |
4250 | 0 | --NumNewDesignators; |
4251 | 0 | return; |
4252 | 34 | } else if (NumNewDesignators == 1) { |
4253 | 0 | Designators[Idx] = *First; |
4254 | 0 | return; |
4255 | 0 | } |
4256 | | |
4257 | 34 | Designator *NewDesignators |
4258 | 34 | = new (C) Designator[NumDesignators - 1 + NumNewDesignators]; |
4259 | 34 | std::copy(Designators, Designators + Idx, NewDesignators); |
4260 | 34 | std::copy(First, Last, NewDesignators + Idx); |
4261 | 34 | std::copy(Designators + Idx + 1, Designators + NumDesignators, |
4262 | 34 | NewDesignators + Idx + NumNewDesignators); |
4263 | 34 | Designators = NewDesignators; |
4264 | 34 | NumDesignators = NumDesignators - 1 + NumNewDesignators; |
4265 | 34 | } |
4266 | | |
4267 | | DesignatedInitUpdateExpr::DesignatedInitUpdateExpr(const ASTContext &C, |
4268 | | SourceLocation lBraceLoc, |
4269 | | Expr *baseExpr, |
4270 | | SourceLocation rBraceLoc) |
4271 | | : Expr(DesignatedInitUpdateExprClass, baseExpr->getType(), VK_RValue, |
4272 | 53 | OK_Ordinary) { |
4273 | 53 | BaseAndUpdaterExprs[0] = baseExpr; |
4274 | | |
4275 | 53 | InitListExpr *ILE = new (C) InitListExpr(C, lBraceLoc, None, rBraceLoc); |
4276 | 53 | ILE->setType(baseExpr->getType()); |
4277 | 53 | BaseAndUpdaterExprs[1] = ILE; |
4278 | | |
4279 | | // FIXME: this is wrong, set it correctly. |
4280 | 53 | setDependence(ExprDependence::None); |
4281 | 53 | } |
4282 | | |
4283 | 111 | SourceLocation DesignatedInitUpdateExpr::getBeginLoc() const { |
4284 | 111 | return getBase()->getBeginLoc(); |
4285 | 111 | } |
4286 | | |
4287 | 24 | SourceLocation DesignatedInitUpdateExpr::getEndLoc() const { |
4288 | 24 | return getBase()->getEndLoc(); |
4289 | 24 | } |
4290 | | |
4291 | | ParenListExpr::ParenListExpr(SourceLocation LParenLoc, ArrayRef<Expr *> Exprs, |
4292 | | SourceLocation RParenLoc) |
4293 | | : Expr(ParenListExprClass, QualType(), VK_RValue, OK_Ordinary), |
4294 | 718k | LParenLoc(LParenLoc), RParenLoc(RParenLoc) { |
4295 | 718k | ParenListExprBits.NumExprs = Exprs.size(); |
4296 | | |
4297 | 1.68M | for (unsigned I = 0, N = Exprs.size(); I != N; ++I971k ) |
4298 | 971k | getTrailingObjects<Stmt *>()[I] = Exprs[I]; |
4299 | 718k | setDependence(computeDependence(this)); |
4300 | 718k | } |
4301 | | |
4302 | | ParenListExpr::ParenListExpr(EmptyShell Empty, unsigned NumExprs) |
4303 | 39.5k | : Expr(ParenListExprClass, Empty) { |
4304 | 39.5k | ParenListExprBits.NumExprs = NumExprs; |
4305 | 39.5k | } |
4306 | | |
4307 | | ParenListExpr *ParenListExpr::Create(const ASTContext &Ctx, |
4308 | | SourceLocation LParenLoc, |
4309 | | ArrayRef<Expr *> Exprs, |
4310 | 718k | SourceLocation RParenLoc) { |
4311 | 718k | void *Mem = Ctx.Allocate(totalSizeToAlloc<Stmt *>(Exprs.size()), |
4312 | 718k | alignof(ParenListExpr)); |
4313 | 718k | return new (Mem) ParenListExpr(LParenLoc, Exprs, RParenLoc); |
4314 | 718k | } |
4315 | | |
4316 | | ParenListExpr *ParenListExpr::CreateEmpty(const ASTContext &Ctx, |
4317 | 39.5k | unsigned NumExprs) { |
4318 | 39.5k | void *Mem = |
4319 | 39.5k | Ctx.Allocate(totalSizeToAlloc<Stmt *>(NumExprs), alignof(ParenListExpr)); |
4320 | 39.5k | return new (Mem) ParenListExpr(EmptyShell(), NumExprs); |
4321 | 39.5k | } |
4322 | | |
4323 | | BinaryOperator::BinaryOperator(const ASTContext &Ctx, Expr *lhs, Expr *rhs, |
4324 | | Opcode opc, QualType ResTy, ExprValueKind VK, |
4325 | | ExprObjectKind OK, SourceLocation opLoc, |
4326 | | FPOptionsOverride FPFeatures) |
4327 | 7.15M | : Expr(BinaryOperatorClass, ResTy, VK, OK) { |
4328 | 7.15M | BinaryOperatorBits.Opc = opc; |
4329 | 7.15M | assert(!isCompoundAssignmentOp() && |
4330 | 7.15M | "Use CompoundAssignOperator for compound assignments"); |
4331 | 7.15M | BinaryOperatorBits.OpLoc = opLoc; |
4332 | 7.15M | SubExprs[LHS] = lhs; |
4333 | 7.15M | SubExprs[RHS] = rhs; |
4334 | 7.15M | BinaryOperatorBits.HasFPFeatures = FPFeatures.requiresTrailingStorage(); |
4335 | 7.15M | if (hasStoredFPFeatures()) |
4336 | 7.04k | setStoredFPFeatures(FPFeatures); |
4337 | 7.15M | setDependence(computeDependence(this)); |
4338 | 7.15M | } |
4339 | | |
4340 | | BinaryOperator::BinaryOperator(const ASTContext &Ctx, Expr *lhs, Expr *rhs, |
4341 | | Opcode opc, QualType ResTy, ExprValueKind VK, |
4342 | | ExprObjectKind OK, SourceLocation opLoc, |
4343 | | FPOptionsOverride FPFeatures, bool dead2) |
4344 | 165k | : Expr(CompoundAssignOperatorClass, ResTy, VK, OK) { |
4345 | 165k | BinaryOperatorBits.Opc = opc; |
4346 | 165k | assert(isCompoundAssignmentOp() && |
4347 | 165k | "Use CompoundAssignOperator for compound assignments"); |
4348 | 165k | BinaryOperatorBits.OpLoc = opLoc; |
4349 | 165k | SubExprs[LHS] = lhs; |
4350 | 165k | SubExprs[RHS] = rhs; |
4351 | 165k | BinaryOperatorBits.HasFPFeatures = FPFeatures.requiresTrailingStorage(); |
4352 | 165k | if (hasStoredFPFeatures()) |
4353 | 153 | setStoredFPFeatures(FPFeatures); |
4354 | 165k | setDependence(computeDependence(this)); |
4355 | 165k | } |
4356 | | |
4357 | | BinaryOperator *BinaryOperator::CreateEmpty(const ASTContext &C, |
4358 | 484k | bool HasFPFeatures) { |
4359 | 484k | unsigned Extra = sizeOfTrailingObjects(HasFPFeatures); |
4360 | 484k | void *Mem = |
4361 | 484k | C.Allocate(sizeof(BinaryOperator) + Extra, alignof(BinaryOperator)); |
4362 | 484k | return new (Mem) BinaryOperator(EmptyShell()); |
4363 | 484k | } |
4364 | | |
4365 | | BinaryOperator *BinaryOperator::Create(const ASTContext &C, Expr *lhs, |
4366 | | Expr *rhs, Opcode opc, QualType ResTy, |
4367 | | ExprValueKind VK, ExprObjectKind OK, |
4368 | | SourceLocation opLoc, |
4369 | 7.15M | FPOptionsOverride FPFeatures) { |
4370 | 7.15M | bool HasFPFeatures = FPFeatures.requiresTrailingStorage(); |
4371 | 7.15M | unsigned Extra = sizeOfTrailingObjects(HasFPFeatures); |
4372 | 7.15M | void *Mem = |
4373 | 7.15M | C.Allocate(sizeof(BinaryOperator) + Extra, alignof(BinaryOperator)); |
4374 | 7.15M | return new (Mem) |
4375 | 7.15M | BinaryOperator(C, lhs, rhs, opc, ResTy, VK, OK, opLoc, FPFeatures); |
4376 | 7.15M | } |
4377 | | |
4378 | | CompoundAssignOperator * |
4379 | 30.1k | CompoundAssignOperator::CreateEmpty(const ASTContext &C, bool HasFPFeatures) { |
4380 | 30.1k | unsigned Extra = sizeOfTrailingObjects(HasFPFeatures); |
4381 | 30.1k | void *Mem = C.Allocate(sizeof(CompoundAssignOperator) + Extra, |
4382 | 30.1k | alignof(CompoundAssignOperator)); |
4383 | 30.1k | return new (Mem) CompoundAssignOperator(C, EmptyShell(), HasFPFeatures); |
4384 | 30.1k | } |
4385 | | |
4386 | | CompoundAssignOperator * |
4387 | | CompoundAssignOperator::Create(const ASTContext &C, Expr *lhs, Expr *rhs, |
4388 | | Opcode opc, QualType ResTy, ExprValueKind VK, |
4389 | | ExprObjectKind OK, SourceLocation opLoc, |
4390 | | FPOptionsOverride FPFeatures, |
4391 | 165k | QualType CompLHSType, QualType CompResultType) { |
4392 | 165k | bool HasFPFeatures = FPFeatures.requiresTrailingStorage(); |
4393 | 165k | unsigned Extra = sizeOfTrailingObjects(HasFPFeatures); |
4394 | 165k | void *Mem = C.Allocate(sizeof(CompoundAssignOperator) + Extra, |
4395 | 165k | alignof(CompoundAssignOperator)); |
4396 | 165k | return new (Mem) |
4397 | 165k | CompoundAssignOperator(C, lhs, rhs, opc, ResTy, VK, OK, opLoc, FPFeatures, |
4398 | 165k | CompLHSType, CompResultType); |
4399 | 165k | } |
4400 | | |
4401 | | UnaryOperator *UnaryOperator::CreateEmpty(const ASTContext &C, |
4402 | 224k | bool hasFPFeatures) { |
4403 | 224k | void *Mem = C.Allocate(totalSizeToAlloc<FPOptionsOverride>(hasFPFeatures), |
4404 | 224k | alignof(UnaryOperator)); |
4405 | 224k | return new (Mem) UnaryOperator(hasFPFeatures, EmptyShell()); |
4406 | 224k | } |
4407 | | |
4408 | | UnaryOperator::UnaryOperator(const ASTContext &Ctx, Expr *input, Opcode opc, |
4409 | | QualType type, ExprValueKind VK, ExprObjectKind OK, |
4410 | | SourceLocation l, bool CanOverflow, |
4411 | | FPOptionsOverride FPFeatures) |
4412 | 2.97M | : Expr(UnaryOperatorClass, type, VK, OK), Val(input) { |
4413 | 2.97M | UnaryOperatorBits.Opc = opc; |
4414 | 2.97M | UnaryOperatorBits.CanOverflow = CanOverflow; |
4415 | 2.97M | UnaryOperatorBits.Loc = l; |
4416 | 2.97M | UnaryOperatorBits.HasFPFeatures = FPFeatures.requiresTrailingStorage(); |
4417 | 2.97M | if (hasStoredFPFeatures()) |
4418 | 448 | setStoredFPFeatures(FPFeatures); |
4419 | 2.97M | setDependence(computeDependence(this, Ctx)); |
4420 | 2.97M | } |
4421 | | |
4422 | | UnaryOperator *UnaryOperator::Create(const ASTContext &C, Expr *input, |
4423 | | Opcode opc, QualType type, |
4424 | | ExprValueKind VK, ExprObjectKind OK, |
4425 | | SourceLocation l, bool CanOverflow, |
4426 | 2.97M | FPOptionsOverride FPFeatures) { |
4427 | 2.97M | bool HasFPFeatures = FPFeatures.requiresTrailingStorage(); |
4428 | 2.97M | unsigned Size = totalSizeToAlloc<FPOptionsOverride>(HasFPFeatures); |
4429 | 2.97M | void *Mem = C.Allocate(Size, alignof(UnaryOperator)); |
4430 | 2.97M | return new (Mem) |
4431 | 2.97M | UnaryOperator(C, input, opc, type, VK, OK, l, CanOverflow, FPFeatures); |
4432 | 2.97M | } |
4433 | | |
4434 | 6 | const OpaqueValueExpr *OpaqueValueExpr::findInCopyConstruct(const Expr *e) { |
4435 | 6 | if (const ExprWithCleanups *ewc = dyn_cast<ExprWithCleanups>(e)) |
4436 | 2 | e = ewc->getSubExpr(); |
4437 | 6 | if (const MaterializeTemporaryExpr *m = dyn_cast<MaterializeTemporaryExpr>(e)) |
4438 | 0 | e = m->getSubExpr(); |
4439 | 6 | e = cast<CXXConstructExpr>(e)->getArg(0); |
4440 | 12 | while (const ImplicitCastExpr *ice = dyn_cast<ImplicitCastExpr>(e)) |
4441 | 6 | e = ice->getSubExpr(); |
4442 | 6 | return cast<OpaqueValueExpr>(e); |
4443 | 6 | } |
4444 | | |
4445 | | PseudoObjectExpr *PseudoObjectExpr::Create(const ASTContext &Context, |
4446 | | EmptyShell sh, |
4447 | 248 | unsigned numSemanticExprs) { |
4448 | 248 | void *buffer = |
4449 | 248 | Context.Allocate(totalSizeToAlloc<Expr *>(1 + numSemanticExprs), |
4450 | 248 | alignof(PseudoObjectExpr)); |
4451 | 248 | return new(buffer) PseudoObjectExpr(sh, numSemanticExprs); |
4452 | 248 | } |
4453 | | |
4454 | | PseudoObjectExpr::PseudoObjectExpr(EmptyShell shell, unsigned numSemanticExprs) |
4455 | 248 | : Expr(PseudoObjectExprClass, shell) { |
4456 | 248 | PseudoObjectExprBits.NumSubExprs = numSemanticExprs + 1; |
4457 | 248 | } |
4458 | | |
4459 | | PseudoObjectExpr *PseudoObjectExpr::Create(const ASTContext &C, Expr *syntax, |
4460 | | ArrayRef<Expr*> semantics, |
4461 | 6.28k | unsigned resultIndex) { |
4462 | 6.28k | assert(syntax && "no syntactic expression!"); |
4463 | 6.28k | assert(semantics.size() && "no semantic expressions!"); |
4464 | | |
4465 | 6.28k | QualType type; |
4466 | 6.28k | ExprValueKind VK; |
4467 | 6.28k | if (resultIndex == NoResult) { |
4468 | 48 | type = C.VoidTy; |
4469 | 48 | VK = VK_RValue; |
4470 | 6.23k | } else { |
4471 | 6.23k | assert(resultIndex < semantics.size()); |
4472 | 6.23k | type = semantics[resultIndex]->getType(); |
4473 | 6.23k | VK = semantics[resultIndex]->getValueKind(); |
4474 | 6.23k | assert(semantics[resultIndex]->getObjectKind() == OK_Ordinary); |
4475 | 6.23k | } |
4476 | | |
4477 | 6.28k | void *buffer = C.Allocate(totalSizeToAlloc<Expr *>(semantics.size() + 1), |
4478 | 6.28k | alignof(PseudoObjectExpr)); |
4479 | 6.28k | return new(buffer) PseudoObjectExpr(type, VK, syntax, semantics, |
4480 | 6.28k | resultIndex); |
4481 | 6.28k | } |
4482 | | |
4483 | | PseudoObjectExpr::PseudoObjectExpr(QualType type, ExprValueKind VK, |
4484 | | Expr *syntax, ArrayRef<Expr *> semantics, |
4485 | | unsigned resultIndex) |
4486 | 6.28k | : Expr(PseudoObjectExprClass, type, VK, OK_Ordinary) { |
4487 | 6.28k | PseudoObjectExprBits.NumSubExprs = semantics.size() + 1; |
4488 | 6.28k | PseudoObjectExprBits.ResultIndex = resultIndex + 1; |
4489 | | |
4490 | 23.2k | for (unsigned i = 0, e = semantics.size() + 1; i != e; ++i16.9k ) { |
4491 | 10.7k | Expr *E = (i == 0 ? syntax6.28k : semantics[i-1]); |
4492 | 16.9k | getSubExprsBuffer()[i] = E; |
4493 | | |
4494 | 16.9k | if (isa<OpaqueValueExpr>(E)) |
4495 | 16.9k | assert(cast<OpaqueValueExpr>(E)->getSourceExpr() != nullptr && |
4496 | 16.9k | "opaque-value semantic expressions for pseudo-object " |
4497 | 16.9k | "operations must have sources"); |
4498 | 16.9k | } |
4499 | | |
4500 | 6.28k | setDependence(computeDependence(this)); |
4501 | 6.28k | } |
4502 | | |
4503 | | //===----------------------------------------------------------------------===// |
4504 | | // Child Iterators for iterating over subexpressions/substatements |
4505 | | //===----------------------------------------------------------------------===// |
4506 | | |
4507 | | // UnaryExprOrTypeTraitExpr |
4508 | 85.6k | Stmt::child_range UnaryExprOrTypeTraitExpr::children() { |
4509 | 85.6k | const_child_range CCR = |
4510 | 85.6k | const_cast<const UnaryExprOrTypeTraitExpr *>(this)->children(); |
4511 | 85.6k | return child_range(cast_away_const(CCR.begin()), cast_away_const(CCR.end())); |
4512 | 85.6k | } |
4513 | | |
4514 | 85.6k | Stmt::const_child_range UnaryExprOrTypeTraitExpr::children() const { |
4515 | | // If this is of a type and the type is a VLA type (and not a typedef), the |
4516 | | // size expression of the VLA needs to be treated as an executable expression. |
4517 | | // Why isn't this weirdness documented better in StmtIterator? |
4518 | 85.6k | if (isArgumentType()) { |
4519 | 80.2k | if (const VariableArrayType *T = |
4520 | 28 | dyn_cast<VariableArrayType>(getArgumentType().getTypePtr())) |
4521 | 28 | return const_child_range(const_child_iterator(T), const_child_iterator()); |
4522 | 80.1k | return const_child_range(const_child_iterator(), const_child_iterator()); |
4523 | 80.1k | } |
4524 | 5.38k | return const_child_range(&Argument.Ex, &Argument.Ex + 1); |
4525 | 5.38k | } |
4526 | | |
4527 | | AtomicExpr::AtomicExpr(SourceLocation BLoc, ArrayRef<Expr *> args, QualType t, |
4528 | | AtomicOp op, SourceLocation RP) |
4529 | | : Expr(AtomicExprClass, t, VK_RValue, OK_Ordinary), |
4530 | 5.43k | NumSubExprs(args.size()), BuiltinLoc(BLoc), RParenLoc(RP), Op(op) { |
4531 | 5.43k | assert(args.size() == getNumSubExprs(op) && "wrong number of subexpressions"); |
4532 | 20.9k | for (unsigned i = 0; i != args.size(); i++15.5k ) |
4533 | 15.5k | SubExprs[i] = args[i]; |
4534 | 5.43k | setDependence(computeDependence(this)); |
4535 | 5.43k | } |
4536 | | |
4537 | 5.81k | unsigned AtomicExpr::getNumSubExprs(AtomicOp Op) { |
4538 | 5.81k | switch (Op) { |
4539 | 33 | case AO__c11_atomic_init: |
4540 | 42 | case AO__opencl_atomic_init: |
4541 | 996 | case AO__c11_atomic_load: |
4542 | 1.57k | case AO__atomic_load_n: |
4543 | 1.57k | return 2; |
4544 | | |
4545 | 72 | case AO__opencl_atomic_load: |
4546 | 1.02k | case AO__c11_atomic_store: |
4547 | 1.87k | case AO__c11_atomic_exchange: |
4548 | 1.99k | case AO__atomic_load: |
4549 | 2.10k | case AO__atomic_store: |
4550 | 2.13k | case AO__atomic_store_n: |
4551 | 2.14k | case AO__atomic_exchange_n: |
4552 | 2.32k | case AO__c11_atomic_fetch_add: |
4553 | 2.42k | case AO__c11_atomic_fetch_sub: |
4554 | 2.44k | case AO__c11_atomic_fetch_and: |
4555 | 2.45k | case AO__c11_atomic_fetch_or: |
4556 | 2.47k | case AO__c11_atomic_fetch_xor: |
4557 | 2.49k | case AO__c11_atomic_fetch_max: |
4558 | 2.51k | case AO__c11_atomic_fetch_min: |
4559 | 2.54k | case AO__atomic_fetch_add: |
4560 | 2.57k | case AO__atomic_fetch_sub: |
4561 | 2.58k | case AO__atomic_fetch_and: |
4562 | 2.60k | case AO__atomic_fetch_or: |
4563 | 2.61k | case AO__atomic_fetch_xor: |
4564 | 2.63k | case AO__atomic_fetch_nand: |
4565 | 3.73k | case AO__atomic_add_fetch: |
4566 | 3.74k | case AO__atomic_sub_fetch: |
4567 | 3.74k | case A
|