/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/CodeGen/MIRParser/MIParser.cpp
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1 | | //===- MIParser.cpp - Machine instructions parser implementation ----------===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This file implements the parsing of machine instructions. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #include "MILexer.h" |
15 | | #include "MIParser.h" |
16 | | #include "llvm/ADT/APInt.h" |
17 | | #include "llvm/ADT/APSInt.h" |
18 | | #include "llvm/ADT/ArrayRef.h" |
19 | | #include "llvm/ADT/DenseMap.h" |
20 | | #include "llvm/ADT/None.h" |
21 | | #include "llvm/ADT/Optional.h" |
22 | | #include "llvm/ADT/SmallVector.h" |
23 | | #include "llvm/ADT/StringMap.h" |
24 | | #include "llvm/ADT/StringSwitch.h" |
25 | | #include "llvm/ADT/StringRef.h" |
26 | | #include "llvm/ADT/Twine.h" |
27 | | #include "llvm/AsmParser/Parser.h" |
28 | | #include "llvm/AsmParser/SlotMapping.h" |
29 | | #include "llvm/CodeGen/MIRPrinter.h" |
30 | | #include "llvm/CodeGen/MachineBasicBlock.h" |
31 | | #include "llvm/CodeGen/MachineFrameInfo.h" |
32 | | #include "llvm/CodeGen/MachineFunction.h" |
33 | | #include "llvm/CodeGen/MachineInstr.h" |
34 | | #include "llvm/CodeGen/MachineInstrBuilder.h" |
35 | | #include "llvm/CodeGen/MachineMemOperand.h" |
36 | | #include "llvm/CodeGen/MachineModuleInfo.h" |
37 | | #include "llvm/CodeGen/MachineOperand.h" |
38 | | #include "llvm/CodeGen/MachineRegisterInfo.h" |
39 | | #include "llvm/IR/BasicBlock.h" |
40 | | #include "llvm/IR/Constants.h" |
41 | | #include "llvm/IR/DataLayout.h" |
42 | | #include "llvm/IR/DebugInfoMetadata.h" |
43 | | #include "llvm/IR/DebugLoc.h" |
44 | | #include "llvm/IR/Function.h" |
45 | | #include "llvm/IR/InstrTypes.h" |
46 | | #include "llvm/IR/Instructions.h" |
47 | | #include "llvm/IR/Intrinsics.h" |
48 | | #include "llvm/IR/Metadata.h" |
49 | | #include "llvm/IR/Module.h" |
50 | | #include "llvm/IR/ModuleSlotTracker.h" |
51 | | #include "llvm/IR/Type.h" |
52 | | #include "llvm/IR/Value.h" |
53 | | #include "llvm/IR/ValueSymbolTable.h" |
54 | | #include "llvm/MC/LaneBitmask.h" |
55 | | #include "llvm/MC/MCDwarf.h" |
56 | | #include "llvm/MC/MCInstrDesc.h" |
57 | | #include "llvm/MC/MCRegisterInfo.h" |
58 | | #include "llvm/Support/AtomicOrdering.h" |
59 | | #include "llvm/Support/BranchProbability.h" |
60 | | #include "llvm/Support/Casting.h" |
61 | | #include "llvm/Support/ErrorHandling.h" |
62 | | #include "llvm/Support/LowLevelTypeImpl.h" |
63 | | #include "llvm/Support/MemoryBuffer.h" |
64 | | #include "llvm/Support/SMLoc.h" |
65 | | #include "llvm/Support/SourceMgr.h" |
66 | | #include "llvm/Support/raw_ostream.h" |
67 | | #include "llvm/Target/TargetInstrInfo.h" |
68 | | #include "llvm/Target/TargetIntrinsicInfo.h" |
69 | | #include "llvm/Target/TargetMachine.h" |
70 | | #include "llvm/Target/TargetRegisterInfo.h" |
71 | | #include "llvm/Target/TargetSubtargetInfo.h" |
72 | | #include <algorithm> |
73 | | #include <cassert> |
74 | | #include <cctype> |
75 | | #include <cstddef> |
76 | | #include <cstdint> |
77 | | #include <limits> |
78 | | #include <string> |
79 | | #include <utility> |
80 | | |
81 | | using namespace llvm; |
82 | | |
83 | | PerFunctionMIParsingState::PerFunctionMIParsingState(MachineFunction &MF, |
84 | | SourceMgr &SM, const SlotMapping &IRSlots, |
85 | | const Name2RegClassMap &Names2RegClasses, |
86 | | const Name2RegBankMap &Names2RegBanks) |
87 | | : MF(MF), SM(&SM), IRSlots(IRSlots), Names2RegClasses(Names2RegClasses), |
88 | 2.33k | Names2RegBanks(Names2RegBanks) { |
89 | 2.33k | } |
90 | | |
91 | 22.0k | VRegInfo &PerFunctionMIParsingState::getVRegInfo(unsigned Num) { |
92 | 22.0k | auto I = VRegInfos.insert(std::make_pair(Num, nullptr)); |
93 | 22.0k | if (I.second22.0k ) { |
94 | 7.72k | MachineRegisterInfo &MRI = MF.getRegInfo(); |
95 | 7.72k | VRegInfo *Info = new (Allocator) VRegInfo; |
96 | 7.72k | Info->VReg = MRI.createIncompleteVirtualRegister(); |
97 | 7.72k | I.first->second = Info; |
98 | 7.72k | } |
99 | 22.0k | return *I.first->second; |
100 | 22.0k | } |
101 | | |
102 | | namespace { |
103 | | |
104 | | /// A wrapper struct around the 'MachineOperand' struct that includes a source |
105 | | /// range and other attributes. |
106 | | struct ParsedMachineOperand { |
107 | | MachineOperand Operand; |
108 | | StringRef::iterator Begin; |
109 | | StringRef::iterator End; |
110 | | Optional<unsigned> TiedDefIdx; |
111 | | |
112 | | ParsedMachineOperand(const MachineOperand &Operand, StringRef::iterator Begin, |
113 | | StringRef::iterator End, Optional<unsigned> &TiedDefIdx) |
114 | 52.5k | : Operand(Operand), Begin(Begin), End(End), TiedDefIdx(TiedDefIdx) { |
115 | 52.5k | if (TiedDefIdx) |
116 | 52.5k | assert(Operand.isReg() && Operand.isUse() && |
117 | 52.5k | "Only used register operands can be tied"); |
118 | 52.5k | } |
119 | | }; |
120 | | |
121 | | class MIParser { |
122 | | MachineFunction &MF; |
123 | | SMDiagnostic &Error; |
124 | | StringRef Source, CurrentSource; |
125 | | MIToken Token; |
126 | | PerFunctionMIParsingState &PFS; |
127 | | /// Maps from instruction names to op codes. |
128 | | StringMap<unsigned> Names2InstrOpCodes; |
129 | | /// Maps from register names to registers. |
130 | | StringMap<unsigned> Names2Regs; |
131 | | /// Maps from register mask names to register masks. |
132 | | StringMap<const uint32_t *> Names2RegMasks; |
133 | | /// Maps from subregister names to subregister indices. |
134 | | StringMap<unsigned> Names2SubRegIndices; |
135 | | /// Maps from slot numbers to function's unnamed basic blocks. |
136 | | DenseMap<unsigned, const BasicBlock *> Slots2BasicBlocks; |
137 | | /// Maps from slot numbers to function's unnamed values. |
138 | | DenseMap<unsigned, const Value *> Slots2Values; |
139 | | /// Maps from target index names to target indices. |
140 | | StringMap<int> Names2TargetIndices; |
141 | | /// Maps from direct target flag names to the direct target flag values. |
142 | | StringMap<unsigned> Names2DirectTargetFlags; |
143 | | /// Maps from direct target flag names to the bitmask target flag values. |
144 | | StringMap<unsigned> Names2BitmaskTargetFlags; |
145 | | /// Maps from MMO target flag names to MMO target flag values. |
146 | | StringMap<MachineMemOperand::Flags> Names2MMOTargetFlags; |
147 | | |
148 | | public: |
149 | | MIParser(PerFunctionMIParsingState &PFS, SMDiagnostic &Error, |
150 | | StringRef Source); |
151 | | |
152 | | /// \p SkipChar gives the number of characters to skip before looking |
153 | | /// for the next token. |
154 | | void lex(unsigned SkipChar = 0); |
155 | | |
156 | | /// Report an error at the current location with the given message. |
157 | | /// |
158 | | /// This function always return true. |
159 | | bool error(const Twine &Msg); |
160 | | |
161 | | /// Report an error at the given location with the given message. |
162 | | /// |
163 | | /// This function always return true. |
164 | | bool error(StringRef::iterator Loc, const Twine &Msg); |
165 | | |
166 | | bool |
167 | | parseBasicBlockDefinitions(DenseMap<unsigned, MachineBasicBlock *> &MBBSlots); |
168 | | bool parseBasicBlocks(); |
169 | | bool parse(MachineInstr *&MI); |
170 | | bool parseStandaloneMBB(MachineBasicBlock *&MBB); |
171 | | bool parseStandaloneNamedRegister(unsigned &Reg); |
172 | | bool parseStandaloneVirtualRegister(VRegInfo *&Info); |
173 | | bool parseStandaloneRegister(unsigned &Reg); |
174 | | bool parseStandaloneStackObject(int &FI); |
175 | | bool parseStandaloneMDNode(MDNode *&Node); |
176 | | |
177 | | bool |
178 | | parseBasicBlockDefinition(DenseMap<unsigned, MachineBasicBlock *> &MBBSlots); |
179 | | bool parseBasicBlock(MachineBasicBlock &MBB, |
180 | | MachineBasicBlock *&AddFalthroughFrom); |
181 | | bool parseBasicBlockLiveins(MachineBasicBlock &MBB); |
182 | | bool parseBasicBlockSuccessors(MachineBasicBlock &MBB); |
183 | | |
184 | | bool parseNamedRegister(unsigned &Reg); |
185 | | bool parseVirtualRegister(VRegInfo *&Info); |
186 | | bool parseRegister(unsigned &Reg, VRegInfo *&VRegInfo); |
187 | | bool parseRegisterFlag(unsigned &Flags); |
188 | | bool parseRegisterClassOrBank(VRegInfo &RegInfo); |
189 | | bool parseSubRegisterIndex(unsigned &SubReg); |
190 | | bool parseRegisterTiedDefIndex(unsigned &TiedDefIdx); |
191 | | bool parseRegisterOperand(MachineOperand &Dest, |
192 | | Optional<unsigned> &TiedDefIdx, bool IsDef = false); |
193 | | bool parseImmediateOperand(MachineOperand &Dest); |
194 | | bool parseIRConstant(StringRef::iterator Loc, StringRef Source, |
195 | | const Constant *&C); |
196 | | bool parseIRConstant(StringRef::iterator Loc, const Constant *&C); |
197 | | bool parseLowLevelType(StringRef::iterator Loc, LLT &Ty); |
198 | | bool parseTypedImmediateOperand(MachineOperand &Dest); |
199 | | bool parseFPImmediateOperand(MachineOperand &Dest); |
200 | | bool parseMBBReference(MachineBasicBlock *&MBB); |
201 | | bool parseMBBOperand(MachineOperand &Dest); |
202 | | bool parseStackFrameIndex(int &FI); |
203 | | bool parseStackObjectOperand(MachineOperand &Dest); |
204 | | bool parseFixedStackFrameIndex(int &FI); |
205 | | bool parseFixedStackObjectOperand(MachineOperand &Dest); |
206 | | bool parseGlobalValue(GlobalValue *&GV); |
207 | | bool parseGlobalAddressOperand(MachineOperand &Dest); |
208 | | bool parseConstantPoolIndexOperand(MachineOperand &Dest); |
209 | | bool parseSubRegisterIndexOperand(MachineOperand &Dest); |
210 | | bool parseJumpTableIndexOperand(MachineOperand &Dest); |
211 | | bool parseExternalSymbolOperand(MachineOperand &Dest); |
212 | | bool parseMDNode(MDNode *&Node); |
213 | | bool parseDIExpression(MDNode *&Node); |
214 | | bool parseMetadataOperand(MachineOperand &Dest); |
215 | | bool parseCFIOffset(int &Offset); |
216 | | bool parseCFIRegister(unsigned &Reg); |
217 | | bool parseCFIOperand(MachineOperand &Dest); |
218 | | bool parseIRBlock(BasicBlock *&BB, const Function &F); |
219 | | bool parseBlockAddressOperand(MachineOperand &Dest); |
220 | | bool parseIntrinsicOperand(MachineOperand &Dest); |
221 | | bool parsePredicateOperand(MachineOperand &Dest); |
222 | | bool parseTargetIndexOperand(MachineOperand &Dest); |
223 | | bool parseCustomRegisterMaskOperand(MachineOperand &Dest); |
224 | | bool parseLiveoutRegisterMaskOperand(MachineOperand &Dest); |
225 | | bool parseMachineOperand(MachineOperand &Dest, |
226 | | Optional<unsigned> &TiedDefIdx); |
227 | | bool parseMachineOperandAndTargetFlags(MachineOperand &Dest, |
228 | | Optional<unsigned> &TiedDefIdx); |
229 | | bool parseOffset(int64_t &Offset); |
230 | | bool parseAlignment(unsigned &Alignment); |
231 | | bool parseOperandsOffset(MachineOperand &Op); |
232 | | bool parseIRValue(const Value *&V); |
233 | | bool parseMemoryOperandFlag(MachineMemOperand::Flags &Flags); |
234 | | bool parseMemoryPseudoSourceValue(const PseudoSourceValue *&PSV); |
235 | | bool parseMachinePointerInfo(MachinePointerInfo &Dest); |
236 | | bool parseOptionalScope(LLVMContext &Context, SyncScope::ID &SSID); |
237 | | bool parseOptionalAtomicOrdering(AtomicOrdering &Order); |
238 | | bool parseMachineMemoryOperand(MachineMemOperand *&Dest); |
239 | | |
240 | | private: |
241 | | /// Convert the integer literal in the current token into an unsigned integer. |
242 | | /// |
243 | | /// Return true if an error occurred. |
244 | | bool getUnsigned(unsigned &Result); |
245 | | |
246 | | /// Convert the integer literal in the current token into an uint64. |
247 | | /// |
248 | | /// Return true if an error occurred. |
249 | | bool getUint64(uint64_t &Result); |
250 | | |
251 | | /// Convert the hexadecimal literal in the current token into an unsigned |
252 | | /// APInt with a minimum bitwidth required to represent the value. |
253 | | /// |
254 | | /// Return true if the literal does not represent an integer value. |
255 | | bool getHexUint(APInt &Result); |
256 | | |
257 | | /// If the current token is of the given kind, consume it and return false. |
258 | | /// Otherwise report an error and return true. |
259 | | bool expectAndConsume(MIToken::TokenKind TokenKind); |
260 | | |
261 | | /// If the current token is of the given kind, consume it and return true. |
262 | | /// Otherwise return false. |
263 | | bool consumeIfPresent(MIToken::TokenKind TokenKind); |
264 | | |
265 | | void initNames2InstrOpCodes(); |
266 | | |
267 | | /// Try to convert an instruction name to an opcode. Return true if the |
268 | | /// instruction name is invalid. |
269 | | bool parseInstrName(StringRef InstrName, unsigned &OpCode); |
270 | | |
271 | | bool parseInstruction(unsigned &OpCode, unsigned &Flags); |
272 | | |
273 | | bool assignRegisterTies(MachineInstr &MI, |
274 | | ArrayRef<ParsedMachineOperand> Operands); |
275 | | |
276 | | bool verifyImplicitOperands(ArrayRef<ParsedMachineOperand> Operands, |
277 | | const MCInstrDesc &MCID); |
278 | | |
279 | | void initNames2Regs(); |
280 | | |
281 | | /// Try to convert a register name to a register number. Return true if the |
282 | | /// register name is invalid. |
283 | | bool getRegisterByName(StringRef RegName, unsigned &Reg); |
284 | | |
285 | | void initNames2RegMasks(); |
286 | | |
287 | | /// Check if the given identifier is a name of a register mask. |
288 | | /// |
289 | | /// Return null if the identifier isn't a register mask. |
290 | | const uint32_t *getRegMask(StringRef Identifier); |
291 | | |
292 | | void initNames2SubRegIndices(); |
293 | | |
294 | | /// Check if the given identifier is a name of a subregister index. |
295 | | /// |
296 | | /// Return 0 if the name isn't a subregister index class. |
297 | | unsigned getSubRegIndex(StringRef Name); |
298 | | |
299 | | const BasicBlock *getIRBlock(unsigned Slot); |
300 | | const BasicBlock *getIRBlock(unsigned Slot, const Function &F); |
301 | | |
302 | | const Value *getIRValue(unsigned Slot); |
303 | | |
304 | | void initNames2TargetIndices(); |
305 | | |
306 | | /// Try to convert a name of target index to the corresponding target index. |
307 | | /// |
308 | | /// Return true if the name isn't a name of a target index. |
309 | | bool getTargetIndex(StringRef Name, int &Index); |
310 | | |
311 | | void initNames2DirectTargetFlags(); |
312 | | |
313 | | /// Try to convert a name of a direct target flag to the corresponding |
314 | | /// target flag. |
315 | | /// |
316 | | /// Return true if the name isn't a name of a direct flag. |
317 | | bool getDirectTargetFlag(StringRef Name, unsigned &Flag); |
318 | | |
319 | | void initNames2BitmaskTargetFlags(); |
320 | | |
321 | | /// Try to convert a name of a bitmask target flag to the corresponding |
322 | | /// target flag. |
323 | | /// |
324 | | /// Return true if the name isn't a name of a bitmask target flag. |
325 | | bool getBitmaskTargetFlag(StringRef Name, unsigned &Flag); |
326 | | |
327 | | void initNames2MMOTargetFlags(); |
328 | | |
329 | | /// Try to convert a name of a MachineMemOperand target flag to the |
330 | | /// corresponding target flag. |
331 | | /// |
332 | | /// Return true if the name isn't a name of a target MMO flag. |
333 | | bool getMMOTargetFlag(StringRef Name, MachineMemOperand::Flags &Flag); |
334 | | |
335 | | /// parseStringConstant |
336 | | /// ::= StringConstant |
337 | | bool parseStringConstant(std::string &Result); |
338 | | }; |
339 | | |
340 | | } // end anonymous namespace |
341 | | |
342 | | MIParser::MIParser(PerFunctionMIParsingState &PFS, SMDiagnostic &Error, |
343 | | StringRef Source) |
344 | | : MF(PFS.MF), Error(Error), Source(Source), CurrentSource(Source), PFS(PFS) |
345 | 6.21k | {} |
346 | | |
347 | 429k | void MIParser::lex(unsigned SkipChar) { |
348 | 429k | CurrentSource = lexMIToken( |
349 | 429k | CurrentSource.data() + SkipChar, Token, |
350 | 4 | [this](StringRef::iterator Loc, const Twine &Msg) { error(Loc, Msg); }); |
351 | 429k | } |
352 | | |
353 | 78 | bool MIParser::error(const Twine &Msg) { return error(Token.location(), Msg); } |
354 | | |
355 | 96 | bool MIParser::error(StringRef::iterator Loc, const Twine &Msg) { |
356 | 96 | const SourceMgr &SM = *PFS.SM; |
357 | 96 | assert(Loc >= Source.data() && Loc <= (Source.data() + Source.size())); |
358 | 96 | const MemoryBuffer &Buffer = *SM.getMemoryBuffer(SM.getMainFileID()); |
359 | 96 | if (Loc >= Buffer.getBufferStart() && 96 Loc <= Buffer.getBufferEnd()95 ) { |
360 | 90 | // Create an ordinary diagnostic when the source manager's buffer is the |
361 | 90 | // source string. |
362 | 90 | Error = SM.GetMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg); |
363 | 90 | return true; |
364 | 90 | } |
365 | 6 | // Create a diagnostic for a YAML string literal. |
366 | 6 | Error = SMDiagnostic(SM, SMLoc(), Buffer.getBufferIdentifier(), 1, |
367 | 6 | Loc - Source.data(), SourceMgr::DK_Error, Msg.str(), |
368 | 6 | Source, None, None); |
369 | 6 | return true; |
370 | 6 | } |
371 | | |
372 | 2 | static const char *toString(MIToken::TokenKind TokenKind) { |
373 | 2 | switch (TokenKind) { |
374 | 1 | case MIToken::comma: |
375 | 1 | return "','"; |
376 | 0 | case MIToken::equal: |
377 | 0 | return "'='"; |
378 | 1 | case MIToken::colon: |
379 | 1 | return "':'"; |
380 | 0 | case MIToken::lparen: |
381 | 0 | return "'('"; |
382 | 0 | case MIToken::rparen: |
383 | 0 | return "')'"; |
384 | 0 | default: |
385 | 0 | return "<unknown token>"; |
386 | 0 | } |
387 | 0 | } |
388 | | |
389 | 29.2k | bool MIParser::expectAndConsume(MIToken::TokenKind TokenKind) { |
390 | 29.2k | if (Token.isNot(TokenKind)) |
391 | 2 | return error(Twine("expected ") + toString(TokenKind)); |
392 | 29.2k | lex(); |
393 | 29.2k | return false; |
394 | 29.2k | } |
395 | | |
396 | 320k | bool MIParser::consumeIfPresent(MIToken::TokenKind TokenKind) { |
397 | 320k | if (Token.isNot(TokenKind)) |
398 | 255k | return false; |
399 | 65.6k | lex(); |
400 | 65.6k | return true; |
401 | 65.6k | } |
402 | | |
403 | | bool MIParser::parseBasicBlockDefinition( |
404 | 3.29k | DenseMap<unsigned, MachineBasicBlock *> &MBBSlots) { |
405 | 3.29k | assert(Token.is(MIToken::MachineBasicBlockLabel)); |
406 | 3.29k | unsigned ID = 0; |
407 | 3.29k | if (getUnsigned(ID)) |
408 | 0 | return true; |
409 | 3.29k | auto Loc = Token.location(); |
410 | 3.29k | auto Name = Token.stringValue(); |
411 | 3.29k | lex(); |
412 | 3.29k | bool HasAddressTaken = false; |
413 | 3.29k | bool IsLandingPad = false; |
414 | 3.29k | unsigned Alignment = 0; |
415 | 3.29k | BasicBlock *BB = nullptr; |
416 | 3.29k | if (consumeIfPresent(MIToken::lparen)3.29k ) { |
417 | 745 | do { |
418 | 745 | // TODO: Report an error when multiple same attributes are specified. |
419 | 745 | switch (Token.kind()) { |
420 | 12 | case MIToken::kw_address_taken: |
421 | 12 | HasAddressTaken = true; |
422 | 12 | lex(); |
423 | 12 | break; |
424 | 0 | case MIToken::kw_landing_pad: |
425 | 0 | IsLandingPad = true; |
426 | 0 | lex(); |
427 | 0 | break; |
428 | 4 | case MIToken::kw_align: |
429 | 4 | if (parseAlignment(Alignment)) |
430 | 0 | return true; |
431 | 4 | break; |
432 | 729 | case MIToken::IRBlock: |
433 | 729 | // TODO: Report an error when both name and ir block are specified. |
434 | 729 | if (parseIRBlock(BB, *MF.getFunction())) |
435 | 1 | return true; |
436 | 728 | lex(); |
437 | 728 | break; |
438 | 0 | default: |
439 | 0 | break; |
440 | 744 | } |
441 | 744 | } while (consumeIfPresent(MIToken::comma)); |
442 | 742 | if (742 expectAndConsume(MIToken::rparen)742 ) |
443 | 0 | return true; |
444 | 3.29k | } |
445 | 3.29k | if (3.29k expectAndConsume(MIToken::colon)3.29k ) |
446 | 1 | return true; |
447 | 3.29k | |
448 | 3.29k | if (3.29k !Name.empty()3.29k ) { |
449 | 947 | BB = dyn_cast_or_null<BasicBlock>( |
450 | 947 | MF.getFunction()->getValueSymbolTable()->lookup(Name)); |
451 | 947 | if (!BB) |
452 | 1 | return error(Loc, Twine("basic block '") + Name + |
453 | 1 | "' is not defined in the function '" + |
454 | 1 | MF.getName() + "'"); |
455 | 3.29k | } |
456 | 3.29k | auto *MBB = MF.CreateMachineBasicBlock(BB); |
457 | 3.29k | MF.insert(MF.end(), MBB); |
458 | 3.29k | bool WasInserted = MBBSlots.insert(std::make_pair(ID, MBB)).second; |
459 | 3.29k | if (!WasInserted) |
460 | 1 | return error(Loc, Twine("redefinition of machine basic block with id #") + |
461 | 1 | Twine(ID)); |
462 | 3.29k | if (3.29k Alignment3.29k ) |
463 | 4 | MBB->setAlignment(Alignment); |
464 | 3.29k | if (HasAddressTaken) |
465 | 12 | MBB->setHasAddressTaken(); |
466 | 3.29k | MBB->setIsEHPad(IsLandingPad); |
467 | 3.29k | return false; |
468 | 3.29k | } |
469 | | |
470 | | bool MIParser::parseBasicBlockDefinitions( |
471 | 2.32k | DenseMap<unsigned, MachineBasicBlock *> &MBBSlots) { |
472 | 2.32k | lex(); |
473 | 2.32k | // Skip until the first machine basic block. |
474 | 2.36k | while (Token.is(MIToken::Newline)) |
475 | 43 | lex(); |
476 | 2.32k | if (Token.isErrorOrEOF()) |
477 | 11 | return Token.isError(); |
478 | 2.31k | if (2.31k Token.isNot(MIToken::MachineBasicBlockLabel)2.31k ) |
479 | 1 | return error("expected a basic block definition before instructions"); |
480 | 2.31k | unsigned BraceDepth = 0; |
481 | 3.29k | do { |
482 | 3.29k | if (parseBasicBlockDefinition(MBBSlots)) |
483 | 4 | return true; |
484 | 3.29k | bool IsAfterNewline = false; |
485 | 3.29k | // Skip until the next machine basic block. |
486 | 206k | while (true206k ) { |
487 | 206k | if ((Token.is(MIToken::MachineBasicBlockLabel) && 206k IsAfterNewline986 ) || |
488 | 205k | Token.isErrorOrEOF()) |
489 | 3.28k | break; |
490 | 203k | else if (203k Token.is(MIToken::MachineBasicBlockLabel)203k ) |
491 | 1 | return error("basic block definition should be located at the start of " |
492 | 1 | "the line"); |
493 | 203k | else if (203k consumeIfPresent(MIToken::Newline)203k ) { |
494 | 35.1k | IsAfterNewline = true; |
495 | 35.1k | continue; |
496 | 35.1k | } |
497 | 168k | IsAfterNewline = false; |
498 | 168k | if (Token.is(MIToken::lbrace)) |
499 | 7 | ++BraceDepth; |
500 | 168k | if (Token.is(MIToken::rbrace)168k ) { |
501 | 7 | if (!BraceDepth) |
502 | 1 | return error("extraneous closing brace ('}')"); |
503 | 6 | --BraceDepth; |
504 | 6 | } |
505 | 168k | lex(); |
506 | 168k | } |
507 | 3.29k | // Verify that we closed all of the '{' at the end of a file or a block. |
508 | 3.28k | if (3.28k !Token.isError() && 3.28k BraceDepth3.28k ) |
509 | 1 | return error("expected '}'"); // FIXME: Report a note that shows '{'. |
510 | 3.28k | } while (!Token.isErrorOrEOF()); |
511 | 2.30k | return Token.isError(); |
512 | 2.32k | } |
513 | | |
514 | 1.96k | bool MIParser::parseBasicBlockLiveins(MachineBasicBlock &MBB) { |
515 | 1.96k | assert(Token.is(MIToken::kw_liveins)); |
516 | 1.96k | lex(); |
517 | 1.96k | if (expectAndConsume(MIToken::colon)) |
518 | 0 | return true; |
519 | 1.96k | if (1.96k Token.isNewlineOrEOF()1.96k ) // Allow an empty list of liveins. |
520 | 4 | return false; |
521 | 1.96k | do 1.96k { |
522 | 3.83k | if (Token.isNot(MIToken::NamedRegister)) |
523 | 1 | return error("expected a named register"); |
524 | 3.83k | unsigned Reg = 0; |
525 | 3.83k | if (parseNamedRegister(Reg)) |
526 | 0 | return true; |
527 | 3.83k | lex(); |
528 | 3.83k | LaneBitmask Mask = LaneBitmask::getAll(); |
529 | 3.83k | if (consumeIfPresent(MIToken::colon)3.83k ) { |
530 | 19 | // Parse lane mask. |
531 | 19 | if (Token.isNot(MIToken::IntegerLiteral) && |
532 | 18 | Token.isNot(MIToken::HexLiteral)) |
533 | 0 | return error("expected a lane mask"); |
534 | 19 | static_assert(sizeof(LaneBitmask::Type) == sizeof(unsigned), |
535 | 19 | "Use correct get-function for lane mask"); |
536 | 19 | LaneBitmask::Type V; |
537 | 19 | if (getUnsigned(V)) |
538 | 0 | return error("invalid lane mask value"); |
539 | 19 | Mask = LaneBitmask(V); |
540 | 19 | lex(); |
541 | 19 | } |
542 | 3.83k | MBB.addLiveIn(Reg, Mask); |
543 | 3.83k | } while (consumeIfPresent(MIToken::comma)); |
544 | 1.96k | return false; |
545 | 1.96k | } |
546 | | |
547 | 442 | bool MIParser::parseBasicBlockSuccessors(MachineBasicBlock &MBB) { |
548 | 442 | assert(Token.is(MIToken::kw_successors)); |
549 | 442 | lex(); |
550 | 442 | if (expectAndConsume(MIToken::colon)) |
551 | 0 | return true; |
552 | 442 | if (442 Token.isNewlineOrEOF()442 ) // Allow an empty list of successors. |
553 | 11 | return false; |
554 | 431 | do 431 { |
555 | 691 | if (Token.isNot(MIToken::MachineBasicBlock)) |
556 | 1 | return error("expected a machine basic block reference"); |
557 | 690 | MachineBasicBlock *SuccMBB = nullptr; |
558 | 690 | if (parseMBBReference(SuccMBB)) |
559 | 0 | return true; |
560 | 690 | lex(); |
561 | 690 | unsigned Weight = 0; |
562 | 690 | if (consumeIfPresent(MIToken::lparen)690 ) { |
563 | 413 | if (Token.isNot(MIToken::IntegerLiteral) && |
564 | 383 | Token.isNot(MIToken::HexLiteral)) |
565 | 1 | return error("expected an integer literal after '('"); |
566 | 412 | if (412 getUnsigned(Weight)412 ) |
567 | 0 | return true; |
568 | 412 | lex(); |
569 | 412 | if (expectAndConsume(MIToken::rparen)) |
570 | 0 | return true; |
571 | 689 | } |
572 | 689 | MBB.addSuccessor(SuccMBB, BranchProbability::getRaw(Weight)); |
573 | 689 | } while (consumeIfPresent(MIToken::comma)); |
574 | 429 | MBB.normalizeSuccProbs(); |
575 | 429 | return false; |
576 | 442 | } |
577 | | |
578 | | bool MIParser::parseBasicBlock(MachineBasicBlock &MBB, |
579 | 3.23k | MachineBasicBlock *&AddFalthroughFrom) { |
580 | 3.23k | // Skip the definition. |
581 | 3.23k | assert(Token.is(MIToken::MachineBasicBlockLabel)); |
582 | 3.23k | lex(); |
583 | 3.23k | if (consumeIfPresent(MIToken::lparen)3.23k ) { |
584 | 1.48k | while (Token.isNot(MIToken::rparen) && 1.48k !Token.isErrorOrEOF()745 ) |
585 | 745 | lex(); |
586 | 737 | consumeIfPresent(MIToken::rparen); |
587 | 737 | } |
588 | 3.23k | consumeIfPresent(MIToken::colon); |
589 | 3.23k | |
590 | 3.23k | // Parse the liveins and successors. |
591 | 3.23k | // N.B: Multiple lists of successors and liveins are allowed and they're |
592 | 3.23k | // merged into one. |
593 | 3.23k | // Example: |
594 | 3.23k | // liveins: %edi |
595 | 3.23k | // liveins: %esi |
596 | 3.23k | // |
597 | 3.23k | // is equivalent to |
598 | 3.23k | // liveins: %edi, %esi |
599 | 3.23k | bool ExplicitSuccessors = false; |
600 | 12.1k | while (true12.1k ) { |
601 | 12.1k | if (Token.is(MIToken::kw_successors)12.1k ) { |
602 | 442 | if (parseBasicBlockSuccessors(MBB)) |
603 | 2 | return true; |
604 | 440 | ExplicitSuccessors = true; |
605 | 12.1k | } else if (11.6k Token.is(MIToken::kw_liveins)11.6k ) { |
606 | 1.96k | if (parseBasicBlockLiveins(MBB)) |
607 | 1 | return true; |
608 | 9.72k | } else if (9.72k consumeIfPresent(MIToken::Newline)9.72k ) { |
609 | 6.50k | continue; |
610 | 6.50k | } else |
611 | 3.22k | break; |
612 | 2.40k | if (2.40k !Token.isNewlineOrEOF()2.40k ) |
613 | 1 | return error("expected line break at the end of a list"); |
614 | 2.40k | lex(); |
615 | 2.40k | } |
616 | 3.23k | |
617 | 3.23k | // Parse the instructions. |
618 | 3.22k | bool IsInBundle = false; |
619 | 3.22k | MachineInstr *PrevMI = nullptr; |
620 | 28.9k | while (!Token.is(MIToken::MachineBasicBlockLabel) && |
621 | 28.0k | !Token.is(MIToken::Eof)28.0k ) { |
622 | 25.7k | if (consumeIfPresent(MIToken::Newline)) |
623 | 8.64k | continue; |
624 | 17.1k | if (17.1k consumeIfPresent(MIToken::rbrace)17.1k ) { |
625 | 4 | // The first parsing pass should verify that all closing '}' have an |
626 | 4 | // opening '{'. |
627 | 4 | assert(IsInBundle); |
628 | 4 | IsInBundle = false; |
629 | 4 | continue; |
630 | 4 | } |
631 | 17.1k | MachineInstr *MI = nullptr; |
632 | 17.1k | if (parse(MI)) |
633 | 70 | return true; |
634 | 17.0k | MBB.insert(MBB.end(), MI); |
635 | 17.0k | if (IsInBundle17.0k ) { |
636 | 12 | PrevMI->setFlag(MachineInstr::BundledSucc); |
637 | 12 | MI->setFlag(MachineInstr::BundledPred); |
638 | 12 | } |
639 | 17.0k | PrevMI = MI; |
640 | 17.0k | if (Token.is(MIToken::lbrace)17.0k ) { |
641 | 6 | if (IsInBundle) |
642 | 1 | return error("nested instruction bundles are not allowed"); |
643 | 5 | lex(); |
644 | 5 | // This instruction is the start of the bundle. |
645 | 5 | MI->setFlag(MachineInstr::BundledSucc); |
646 | 5 | IsInBundle = true; |
647 | 5 | if (!Token.is(MIToken::Newline)) |
648 | 5 | // The next instruction can be on the same line. |
649 | 1 | continue; |
650 | 17.0k | } |
651 | 17.0k | assert(Token.isNewlineOrEOF() && "MI is not fully parsed"); |
652 | 17.0k | lex(); |
653 | 17.0k | } |
654 | 3.22k | |
655 | 3.22k | // Construct successor list by searching for basic block machine operands. |
656 | 3.15k | if (3.15k !ExplicitSuccessors3.15k ) { |
657 | 2.72k | SmallVector<MachineBasicBlock*,4> Successors; |
658 | 2.72k | bool IsFallthrough; |
659 | 2.72k | guessSuccessors(MBB, Successors, IsFallthrough); |
660 | 2.72k | for (MachineBasicBlock *Succ : Successors) |
661 | 354 | MBB.addSuccessor(Succ); |
662 | 2.72k | |
663 | 2.72k | if (IsFallthrough2.72k ) { |
664 | 784 | AddFalthroughFrom = &MBB; |
665 | 2.72k | } else { |
666 | 1.94k | MBB.normalizeSuccProbs(); |
667 | 1.94k | } |
668 | 2.72k | } |
669 | 3.15k | |
670 | 3.15k | return false; |
671 | 3.23k | } |
672 | | |
673 | 2.30k | bool MIParser::parseBasicBlocks() { |
674 | 2.30k | lex(); |
675 | 2.30k | // Skip until the first machine basic block. |
676 | 2.34k | while (Token.is(MIToken::Newline)) |
677 | 38 | lex(); |
678 | 2.30k | if (Token.isErrorOrEOF()) |
679 | 11 | return Token.isError(); |
680 | 2.29k | // The first parsing pass should have verified that this token is a MBB label |
681 | 2.29k | // in the 'parseBasicBlockDefinitions' method. |
682 | 2.30k | assert(Token.is(MIToken::MachineBasicBlockLabel)); |
683 | 2.29k | MachineBasicBlock *AddFalthroughFrom = nullptr; |
684 | 3.23k | do { |
685 | 3.23k | MachineBasicBlock *MBB = nullptr; |
686 | 3.23k | if (parseMBBReference(MBB)) |
687 | 0 | return true; |
688 | 3.23k | if (3.23k AddFalthroughFrom3.23k ) { |
689 | 251 | if (!AddFalthroughFrom->isSuccessor(MBB)) |
690 | 245 | AddFalthroughFrom->addSuccessor(MBB); |
691 | 251 | AddFalthroughFrom->normalizeSuccProbs(); |
692 | 251 | AddFalthroughFrom = nullptr; |
693 | 251 | } |
694 | 3.23k | if (parseBasicBlock(*MBB, AddFalthroughFrom)) |
695 | 75 | return true; |
696 | 3.15k | // The method 'parseBasicBlock' should parse the whole block until the next |
697 | 3.15k | // block or the end of file. |
698 | 3.23k | assert(Token.is(MIToken::MachineBasicBlockLabel) || Token.is(MIToken::Eof)); |
699 | 3.15k | } while (Token.isNot(MIToken::Eof)); |
700 | 2.21k | return false; |
701 | 2.30k | } |
702 | | |
703 | 17.1k | bool MIParser::parse(MachineInstr *&MI) { |
704 | 17.1k | // Parse any register operands before '=' |
705 | 17.1k | MachineOperand MO = MachineOperand::CreateImm(0); |
706 | 17.1k | SmallVector<ParsedMachineOperand, 8> Operands; |
707 | 17.2k | while (Token.isRegister() || 17.2k Token.isRegisterFlag()4.77k ) { |
708 | 12.6k | auto Loc = Token.location(); |
709 | 12.6k | Optional<unsigned> TiedDefIdx; |
710 | 12.6k | if (parseRegisterOperand(MO, TiedDefIdx, /*IsDef=*/true)) |
711 | 6 | return true; |
712 | 12.6k | Operands.push_back( |
713 | 12.6k | ParsedMachineOperand(MO, Loc, Token.location(), TiedDefIdx)); |
714 | 12.6k | if (Token.isNot(MIToken::comma)) |
715 | 12.5k | break; |
716 | 136 | lex(); |
717 | 136 | } |
718 | 17.1k | if (17.1k !Operands.empty() && 17.1k expectAndConsume(MIToken::equal)12.5k ) |
719 | 0 | return true; |
720 | 17.1k | |
721 | 17.1k | unsigned OpCode, Flags = 0; |
722 | 17.1k | if (Token.isError() || 17.1k parseInstruction(OpCode, Flags)17.1k ) |
723 | 1 | return true; |
724 | 17.1k | |
725 | 17.1k | // Parse the remaining machine operands. |
726 | 41.1k | while (17.1k !Token.isNewlineOrEOF() && 41.1k Token.isNot(MIToken::kw_debug_location)40.3k && |
727 | 41.1k | Token.isNot(MIToken::coloncolon)39.9k && Token.isNot(MIToken::lbrace)39.9k ) { |
728 | 39.9k | auto Loc = Token.location(); |
729 | 39.9k | Optional<unsigned> TiedDefIdx; |
730 | 39.9k | if (parseMachineOperandAndTargetFlags(MO, TiedDefIdx)) |
731 | 42 | return true; |
732 | 39.8k | Operands.push_back( |
733 | 39.8k | ParsedMachineOperand(MO, Loc, Token.location(), TiedDefIdx)); |
734 | 39.8k | if (Token.isNewlineOrEOF() || 39.8k Token.is(MIToken::coloncolon)24.8k || |
735 | 23.9k | Token.is(MIToken::lbrace)) |
736 | 15.8k | break; |
737 | 23.9k | if (23.9k Token.isNot(MIToken::comma)23.9k ) |
738 | 1 | return error("expected ',' before the next machine operand"); |
739 | 23.9k | lex(); |
740 | 23.9k | } |
741 | 17.1k | |
742 | 17.0k | DebugLoc DebugLocation; |
743 | 17.0k | if (Token.is(MIToken::kw_debug_location)17.0k ) { |
744 | 422 | lex(); |
745 | 422 | if (Token.isNot(MIToken::exclaim)) |
746 | 1 | return error("expected a metadata node after 'debug-location'"); |
747 | 421 | MDNode *Node = nullptr; |
748 | 421 | if (parseMDNode(Node)) |
749 | 0 | return true; |
750 | 421 | DebugLocation = DebugLoc(Node); |
751 | 421 | } |
752 | 17.0k | |
753 | 17.0k | // Parse the machine memory operands. |
754 | 17.0k | SmallVector<MachineMemOperand *, 2> MemOperands; |
755 | 17.0k | if (Token.is(MIToken::coloncolon)17.0k ) { |
756 | 974 | lex(); |
757 | 994 | while (!Token.isNewlineOrEOF()994 ) { |
758 | 994 | MachineMemOperand *MemOp = nullptr; |
759 | 994 | if (parseMachineMemoryOperand(MemOp)) |
760 | 12 | return true; |
761 | 982 | MemOperands.push_back(MemOp); |
762 | 982 | if (Token.isNewlineOrEOF()) |
763 | 961 | break; |
764 | 21 | if (21 Token.isNot(MIToken::comma)21 ) |
765 | 1 | return error("expected ',' before the next machine memory operand"); |
766 | 20 | lex(); |
767 | 20 | } |
768 | 974 | } |
769 | 17.0k | |
770 | 17.0k | const auto &MCID = MF.getSubtarget().getInstrInfo()->get(OpCode); |
771 | 17.0k | if (!MCID.isVariadic()17.0k ) { |
772 | 15.4k | // FIXME: Move the implicit operand verification to the machine verifier. |
773 | 15.4k | if (verifyImplicitOperands(Operands, MCID)) |
774 | 3 | return true; |
775 | 17.0k | } |
776 | 17.0k | |
777 | 17.0k | // TODO: Check for extraneous machine operands. |
778 | 17.0k | MI = MF.CreateMachineInstr(MCID, DebugLocation, /*NoImplicit=*/true); |
779 | 17.0k | MI->setFlags(Flags); |
780 | 17.0k | for (const auto &Operand : Operands) |
781 | 52.3k | MI->addOperand(MF, Operand.Operand); |
782 | 17.0k | if (assignRegisterTies(*MI, Operands)) |
783 | 3 | return true; |
784 | 17.0k | if (17.0k MemOperands.empty()17.0k ) |
785 | 16.1k | return false; |
786 | 961 | MachineInstr::mmo_iterator MemRefs = |
787 | 961 | MF.allocateMemRefsArray(MemOperands.size()); |
788 | 961 | std::copy(MemOperands.begin(), MemOperands.end(), MemRefs); |
789 | 961 | MI->setMemRefs(MemRefs, MemRefs + MemOperands.size()); |
790 | 961 | return false; |
791 | 961 | } |
792 | | |
793 | 87 | bool MIParser::parseStandaloneMBB(MachineBasicBlock *&MBB) { |
794 | 87 | lex(); |
795 | 87 | if (Token.isNot(MIToken::MachineBasicBlock)) |
796 | 0 | return error("expected a machine basic block reference"); |
797 | 87 | if (87 parseMBBReference(MBB)87 ) |
798 | 0 | return true; |
799 | 87 | lex(); |
800 | 87 | if (Token.isNot(MIToken::Eof)) |
801 | 0 | return error( |
802 | 0 | "expected end of string after the machine basic block reference"); |
803 | 87 | return false; |
804 | 87 | } |
805 | | |
806 | 1.32k | bool MIParser::parseStandaloneNamedRegister(unsigned &Reg) { |
807 | 1.32k | lex(); |
808 | 1.32k | if (Token.isNot(MIToken::NamedRegister)) |
809 | 2 | return error("expected a named register"); |
810 | 1.32k | if (1.32k parseNamedRegister(Reg)1.32k ) |
811 | 1 | return true; |
812 | 1.32k | lex(); |
813 | 1.32k | if (Token.isNot(MIToken::Eof)) |
814 | 0 | return error("expected end of string after the register reference"); |
815 | 1.32k | return false; |
816 | 1.32k | } |
817 | | |
818 | 161 | bool MIParser::parseStandaloneVirtualRegister(VRegInfo *&Info) { |
819 | 161 | lex(); |
820 | 161 | if (Token.isNot(MIToken::VirtualRegister)) |
821 | 1 | return error("expected a virtual register"); |
822 | 160 | if (160 parseVirtualRegister(Info)160 ) |
823 | 0 | return true; |
824 | 160 | lex(); |
825 | 160 | if (Token.isNot(MIToken::Eof)) |
826 | 0 | return error("expected end of string after the register reference"); |
827 | 160 | return false; |
828 | 160 | } |
829 | | |
830 | 9 | bool MIParser::parseStandaloneRegister(unsigned &Reg) { |
831 | 9 | lex(); |
832 | 9 | if (Token.isNot(MIToken::NamedRegister) && |
833 | 5 | Token.isNot(MIToken::VirtualRegister)) |
834 | 0 | return error("expected either a named or virtual register"); |
835 | 9 | |
836 | 9 | VRegInfo *Info; |
837 | 9 | if (parseRegister(Reg, Info)) |
838 | 0 | return true; |
839 | 9 | |
840 | 9 | lex(); |
841 | 9 | if (Token.isNot(MIToken::Eof)) |
842 | 0 | return error("expected end of string after the register reference"); |
843 | 9 | return false; |
844 | 9 | } |
845 | | |
846 | 2 | bool MIParser::parseStandaloneStackObject(int &FI) { |
847 | 2 | lex(); |
848 | 2 | if (Token.isNot(MIToken::StackObject)) |
849 | 1 | return error("expected a stack object"); |
850 | 1 | if (1 parseStackFrameIndex(FI)1 ) |
851 | 0 | return true; |
852 | 1 | if (1 Token.isNot(MIToken::Eof)1 ) |
853 | 0 | return error("expected end of string after the stack object reference"); |
854 | 1 | return false; |
855 | 1 | } |
856 | | |
857 | 7 | bool MIParser::parseStandaloneMDNode(MDNode *&Node) { |
858 | 7 | lex(); |
859 | 7 | if (Token.is(MIToken::exclaim)7 ) { |
860 | 5 | if (parseMDNode(Node)) |
861 | 0 | return true; |
862 | 2 | } else if (2 Token.is(MIToken::md_diexpr)2 ) { |
863 | 1 | if (parseDIExpression(Node)) |
864 | 0 | return true; |
865 | 2 | } else |
866 | 1 | return error("expected a metadata node"); |
867 | 6 | if (6 Token.isNot(MIToken::Eof)6 ) |
868 | 0 | return error("expected end of string after the metadata node"); |
869 | 6 | return false; |
870 | 6 | } |
871 | | |
872 | 3 | static const char *printImplicitRegisterFlag(const MachineOperand &MO) { |
873 | 3 | assert(MO.isImplicit()); |
874 | 3 | return MO.isDef() ? "implicit-def"0 : "implicit"3 ; |
875 | 3 | } |
876 | | |
877 | | static std::string getRegisterName(const TargetRegisterInfo *TRI, |
878 | 3 | unsigned Reg) { |
879 | 3 | assert(TargetRegisterInfo::isPhysicalRegister(Reg) && "expected phys reg"); |
880 | 3 | return StringRef(TRI->getName(Reg)).lower(); |
881 | 3 | } |
882 | | |
883 | | /// Return true if the parsed machine operands contain a given machine operand. |
884 | | static bool isImplicitOperandIn(const MachineOperand &ImplicitOperand, |
885 | 2.94k | ArrayRef<ParsedMachineOperand> Operands) { |
886 | 13.7k | for (const auto &I : Operands) { |
887 | 13.7k | if (ImplicitOperand.isIdenticalTo(I.Operand)) |
888 | 2.94k | return true; |
889 | 3 | } |
890 | 3 | return false; |
891 | 3 | } |
892 | | |
893 | | bool MIParser::verifyImplicitOperands(ArrayRef<ParsedMachineOperand> Operands, |
894 | 15.4k | const MCInstrDesc &MCID) { |
895 | 15.4k | if (MCID.isCall()) |
896 | 15.4k | // We can't verify call instructions as they can contain arbitrary implicit |
897 | 15.4k | // register and register mask operands. |
898 | 111 | return false; |
899 | 15.3k | |
900 | 15.3k | // Gather all the expected implicit operands. |
901 | 15.3k | SmallVector<MachineOperand, 4> ImplicitOperands; |
902 | 15.3k | if (MCID.ImplicitDefs) |
903 | 1.94k | for (const MCPhysReg *ImpDefs = MCID.getImplicitDefs(); 921 *ImpDefs1.94k ; ++ImpDefs1.02k ) |
904 | 1.02k | ImplicitOperands.push_back( |
905 | 1.02k | MachineOperand::CreateReg(*ImpDefs, true, true)); |
906 | 15.3k | if (MCID.ImplicitUses) |
907 | 3.61k | for (const MCPhysReg *ImpUses = MCID.getImplicitUses(); 1.69k *ImpUses3.61k ; ++ImpUses1.92k ) |
908 | 1.92k | ImplicitOperands.push_back( |
909 | 1.92k | MachineOperand::CreateReg(*ImpUses, false, true)); |
910 | 15.3k | |
911 | 15.3k | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
912 | 15.3k | assert(TRI && "Expected target register info"); |
913 | 2.94k | for (const auto &I : ImplicitOperands) { |
914 | 2.94k | if (isImplicitOperandIn(I, Operands)) |
915 | 2.94k | continue; |
916 | 3 | return error(Operands.empty() ? 3 Token.location()0 : Operands.back().End3 , |
917 | 2.94k | Twine("missing implicit register operand '") + |
918 | 2.94k | printImplicitRegisterFlag(I) + " %" + |
919 | 2.94k | getRegisterName(TRI, I.getReg()) + "'"); |
920 | 2.94k | } |
921 | 15.3k | return false; |
922 | 15.3k | } |
923 | | |
924 | 17.1k | bool MIParser::parseInstruction(unsigned &OpCode, unsigned &Flags) { |
925 | 17.1k | if (Token.is(MIToken::kw_frame_setup)17.1k ) { |
926 | 112 | Flags |= MachineInstr::FrameSetup; |
927 | 112 | lex(); |
928 | 112 | } |
929 | 17.1k | if (Token.isNot(MIToken::Identifier)) |
930 | 0 | return error("expected a machine instruction"); |
931 | 17.1k | StringRef InstrName = Token.stringValue(); |
932 | 17.1k | if (parseInstrName(InstrName, OpCode)) |
933 | 1 | return error(Twine("unknown machine instruction name '") + InstrName + "'"); |
934 | 17.1k | lex(); |
935 | 17.1k | return false; |
936 | 17.1k | } |
937 | | |
938 | 27.2k | bool MIParser::parseNamedRegister(unsigned &Reg) { |
939 | 27.2k | assert(Token.is(MIToken::NamedRegister) && "Needs NamedRegister token"); |
940 | 27.2k | StringRef Name = Token.stringValue(); |
941 | 27.2k | if (getRegisterByName(Name, Reg)) |
942 | 2 | return error(Twine("unknown register name '") + Name + "'"); |
943 | 27.2k | return false; |
944 | 27.2k | } |
945 | | |
946 | 14.7k | bool MIParser::parseVirtualRegister(VRegInfo *&Info) { |
947 | 14.7k | assert(Token.is(MIToken::VirtualRegister) && "Needs VirtualRegister token"); |
948 | 14.7k | unsigned ID; |
949 | 14.7k | if (getUnsigned(ID)) |
950 | 0 | return true; |
951 | 14.7k | Info = &PFS.getVRegInfo(ID); |
952 | 14.7k | return false; |
953 | 14.7k | } |
954 | | |
955 | 40.6k | bool MIParser::parseRegister(unsigned &Reg, VRegInfo *&Info) { |
956 | 40.6k | switch (Token.kind()) { |
957 | 4.08k | case MIToken::underscore: |
958 | 4.08k | Reg = 0; |
959 | 4.08k | return false; |
960 | 21.9k | case MIToken::NamedRegister: |
961 | 21.9k | return parseNamedRegister(Reg); |
962 | 14.6k | case MIToken::VirtualRegister: |
963 | 14.6k | if (parseVirtualRegister(Info)) |
964 | 0 | return true; |
965 | 14.6k | Reg = Info->VReg; |
966 | 14.6k | return false; |
967 | 14.6k | // TODO: Parse other register kinds. |
968 | 0 | default: |
969 | 0 | llvm_unreachable("The current token should be a register"); |
970 | 0 | } |
971 | 0 | } |
972 | | |
973 | 407 | bool MIParser::parseRegisterClassOrBank(VRegInfo &RegInfo) { |
974 | 407 | if (Token.isNot(MIToken::Identifier) && 407 Token.isNot(MIToken::underscore)183 ) |
975 | 0 | return error("expected '_', register class, or register bank name"); |
976 | 407 | StringRef::iterator Loc = Token.location(); |
977 | 407 | StringRef Name = Token.stringValue(); |
978 | 407 | |
979 | 407 | // Was it a register class? |
980 | 407 | auto RCNameI = PFS.Names2RegClasses.find(Name); |
981 | 407 | if (RCNameI != PFS.Names2RegClasses.end()407 ) { |
982 | 90 | lex(); |
983 | 90 | const TargetRegisterClass &RC = *RCNameI->getValue(); |
984 | 90 | |
985 | 90 | switch (RegInfo.Kind) { |
986 | 90 | case VRegInfo::UNKNOWN: |
987 | 90 | case VRegInfo::NORMAL: |
988 | 90 | RegInfo.Kind = VRegInfo::NORMAL; |
989 | 90 | if (RegInfo.Explicit && 90 RegInfo.D.RC != &RC5 ) { |
990 | 1 | const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo(); |
991 | 1 | return error(Loc, Twine("conflicting register classes, previously: ") + |
992 | 1 | Twine(TRI.getRegClassName(RegInfo.D.RC))); |
993 | 1 | } |
994 | 89 | RegInfo.D.RC = &RC; |
995 | 89 | RegInfo.Explicit = true; |
996 | 89 | return false; |
997 | 89 | |
998 | 0 | case VRegInfo::GENERIC: |
999 | 0 | case VRegInfo::REGBANK: |
1000 | 0 | return error(Loc, "register class specification on generic register"); |
1001 | 0 | } |
1002 | 0 | llvm_unreachable0 ("Unexpected register kind"); |
1003 | 0 | } |
1004 | 317 | |
1005 | 317 | // Should be a register bank or a generic register. |
1006 | 317 | const RegisterBank *RegBank = nullptr; |
1007 | 317 | if (Name != "_"317 ) { |
1008 | 134 | auto RBNameI = PFS.Names2RegBanks.find(Name); |
1009 | 134 | if (RBNameI == PFS.Names2RegBanks.end()) |
1010 | 0 | return error(Loc, "expected '_', register class, or register bank name"); |
1011 | 134 | RegBank = RBNameI->getValue(); |
1012 | 134 | } |
1013 | 317 | |
1014 | 317 | lex(); |
1015 | 317 | |
1016 | 317 | switch (RegInfo.Kind) { |
1017 | 317 | case VRegInfo::UNKNOWN: |
1018 | 317 | case VRegInfo::GENERIC: |
1019 | 317 | case VRegInfo::REGBANK: |
1020 | 317 | RegInfo.Kind = RegBank ? VRegInfo::REGBANK134 : VRegInfo::GENERIC183 ; |
1021 | 317 | if (RegInfo.Explicit && 317 RegInfo.D.RegBank != RegBank1 ) |
1022 | 0 | return error(Loc, "conflicting generic register banks"); |
1023 | 317 | RegInfo.D.RegBank = RegBank; |
1024 | 317 | RegInfo.Explicit = true; |
1025 | 317 | return false; |
1026 | 317 | |
1027 | 0 | case VRegInfo::NORMAL: |
1028 | 0 | return error(Loc, "register bank specification on normal register"); |
1029 | 0 | } |
1030 | 0 | llvm_unreachable0 ("Unexpected register kind"); |
1031 | 0 | } |
1032 | | |
1033 | 9.13k | bool MIParser::parseRegisterFlag(unsigned &Flags) { |
1034 | 9.13k | const unsigned OldFlags = Flags; |
1035 | 9.13k | switch (Token.kind()) { |
1036 | 3.59k | case MIToken::kw_implicit: |
1037 | 3.59k | Flags |= RegState::Implicit; |
1038 | 3.59k | break; |
1039 | 1.83k | case MIToken::kw_implicit_define: |
1040 | 1.83k | Flags |= RegState::ImplicitDefine; |
1041 | 1.83k | break; |
1042 | 38 | case MIToken::kw_def: |
1043 | 38 | Flags |= RegState::Define; |
1044 | 38 | break; |
1045 | 923 | case MIToken::kw_dead: |
1046 | 923 | Flags |= RegState::Dead; |
1047 | 923 | break; |
1048 | 2.01k | case MIToken::kw_killed: |
1049 | 2.01k | Flags |= RegState::Kill; |
1050 | 2.01k | break; |
1051 | 343 | case MIToken::kw_undef: |
1052 | 343 | Flags |= RegState::Undef; |
1053 | 343 | break; |
1054 | 6 | case MIToken::kw_internal: |
1055 | 6 | Flags |= RegState::InternalRead; |
1056 | 6 | break; |
1057 | 80 | case MIToken::kw_early_clobber: |
1058 | 80 | Flags |= RegState::EarlyClobber; |
1059 | 80 | break; |
1060 | 306 | case MIToken::kw_debug_use: |
1061 | 306 | Flags |= RegState::Debug; |
1062 | 306 | break; |
1063 | 0 | default: |
1064 | 0 | llvm_unreachable("The current token should be a register flag"); |
1065 | 9.13k | } |
1066 | 9.13k | if (9.13k OldFlags == Flags9.13k ) |
1067 | 9.13k | // We know that the same flag is specified more than once when the flags |
1068 | 9.13k | // weren't modified. |
1069 | 1 | return error("duplicate '" + Token.stringValue() + "' register flag"); |
1070 | 9.13k | lex(); |
1071 | 9.13k | return false; |
1072 | 9.13k | } |
1073 | | |
1074 | 399 | bool MIParser::parseSubRegisterIndex(unsigned &SubReg) { |
1075 | 399 | assert(Token.is(MIToken::dot)); |
1076 | 399 | lex(); |
1077 | 399 | if (Token.isNot(MIToken::Identifier)) |
1078 | 1 | return error("expected a subregister index after '.'"); |
1079 | 398 | auto Name = Token.stringValue(); |
1080 | 398 | SubReg = getSubRegIndex(Name); |
1081 | 398 | if (!SubReg) |
1082 | 1 | return error(Twine("use of unknown subregister index '") + Name + "'"); |
1083 | 397 | lex(); |
1084 | 397 | return false; |
1085 | 397 | } |
1086 | | |
1087 | 2.53k | bool MIParser::parseRegisterTiedDefIndex(unsigned &TiedDefIdx) { |
1088 | 2.53k | if (!consumeIfPresent(MIToken::kw_tied_def)) |
1089 | 2.51k | return true; |
1090 | 17 | if (17 Token.isNot(MIToken::IntegerLiteral)17 ) |
1091 | 1 | return error("expected an integer literal after 'tied-def'"); |
1092 | 16 | if (16 getUnsigned(TiedDefIdx)16 ) |
1093 | 0 | return true; |
1094 | 16 | lex(); |
1095 | 16 | if (expectAndConsume(MIToken::rparen)) |
1096 | 0 | return true; |
1097 | 16 | return false; |
1098 | 16 | } |
1099 | | |
1100 | | bool MIParser::assignRegisterTies(MachineInstr &MI, |
1101 | 17.0k | ArrayRef<ParsedMachineOperand> Operands) { |
1102 | 17.0k | SmallVector<std::pair<unsigned, unsigned>, 4> TiedRegisterPairs; |
1103 | 69.4k | for (unsigned I = 0, E = Operands.size(); I != E69.4k ; ++I52.3k ) { |
1104 | 52.3k | if (!Operands[I].TiedDefIdx) |
1105 | 52.3k | continue; |
1106 | 16 | // The parser ensures that this operand is a register use, so we just have |
1107 | 16 | // to check the tied-def operand. |
1108 | 16 | unsigned DefIdx = Operands[I].TiedDefIdx.getValue(); |
1109 | 16 | if (DefIdx >= E) |
1110 | 1 | return error(Operands[I].Begin, |
1111 | 1 | Twine("use of invalid tied-def operand index '" + |
1112 | 1 | Twine(DefIdx) + "'; instruction has only ") + |
1113 | 1 | Twine(E) + " operands"); |
1114 | 15 | const auto &DefOperand = Operands[DefIdx].Operand; |
1115 | 15 | if (!DefOperand.isReg() || 15 !DefOperand.isDef()14 ) |
1116 | 15 | // FIXME: add note with the def operand. |
1117 | 1 | return error(Operands[I].Begin, |
1118 | 1 | Twine("use of invalid tied-def operand index '") + |
1119 | 1 | Twine(DefIdx) + "'; the operand #" + Twine(DefIdx) + |
1120 | 1 | " isn't a defined register"); |
1121 | 14 | // Check that the tied-def operand wasn't tied elsewhere. |
1122 | 14 | for (const auto &TiedPair : TiedRegisterPairs) 14 { |
1123 | 2 | if (TiedPair.first == DefIdx) |
1124 | 1 | return error(Operands[I].Begin, |
1125 | 1 | Twine("the tied-def operand #") + Twine(DefIdx) + |
1126 | 1 | " is already tied with another register operand"); |
1127 | 13 | } |
1128 | 13 | TiedRegisterPairs.push_back(std::make_pair(DefIdx, I)); |
1129 | 13 | } |
1130 | 17.0k | // FIXME: Verify that for non INLINEASM instructions, the def and use tied |
1131 | 17.0k | // indices must be less than tied max. |
1132 | 17.0k | for (const auto &TiedPair : TiedRegisterPairs) |
1133 | 12 | MI.tieOperands(TiedPair.first, TiedPair.second); |
1134 | 17.0k | return false; |
1135 | 17.0k | } |
1136 | | |
1137 | | bool MIParser::parseRegisterOperand(MachineOperand &Dest, |
1138 | | Optional<unsigned> &TiedDefIdx, |
1139 | 40.6k | bool IsDef) { |
1140 | 40.6k | unsigned Flags = IsDef ? RegState::Define12.6k : 028.0k ; |
1141 | 49.8k | while (Token.isRegisterFlag()49.8k ) { |
1142 | 9.13k | if (parseRegisterFlag(Flags)) |
1143 | 1 | return true; |
1144 | 9.13k | } |
1145 | 40.6k | if (40.6k !Token.isRegister()40.6k ) |
1146 | 1 | return error("expected a register after register flags"); |
1147 | 40.6k | unsigned Reg; |
1148 | 40.6k | VRegInfo *RegInfo; |
1149 | 40.6k | if (parseRegister(Reg, RegInfo)) |
1150 | 1 | return true; |
1151 | 40.6k | lex(); |
1152 | 40.6k | unsigned SubReg = 0; |
1153 | 40.6k | if (Token.is(MIToken::dot)40.6k ) { |
1154 | 399 | if (parseSubRegisterIndex(SubReg)) |
1155 | 2 | return true; |
1156 | 397 | if (397 !TargetRegisterInfo::isVirtualRegister(Reg)397 ) |
1157 | 1 | return error("subregister index expects a virtual register"); |
1158 | 40.6k | } |
1159 | 40.6k | if (40.6k Token.is(MIToken::colon)40.6k ) { |
1160 | 408 | if (!TargetRegisterInfo::isVirtualRegister(Reg)) |
1161 | 1 | return error("register class specification expects a virtual register"); |
1162 | 407 | lex(); |
1163 | 407 | if (parseRegisterClassOrBank(*RegInfo)) |
1164 | 1 | return true; |
1165 | 40.6k | } |
1166 | 40.6k | MachineRegisterInfo &MRI = MF.getRegInfo(); |
1167 | 40.6k | if ((Flags & RegState::Define) == 040.6k ) { |
1168 | 26.1k | if (consumeIfPresent(MIToken::lparen)26.1k ) { |
1169 | 2.53k | unsigned Idx; |
1170 | 2.53k | if (!parseRegisterTiedDefIndex(Idx)) |
1171 | 16 | TiedDefIdx = Idx; |
1172 | 2.51k | else { |
1173 | 2.51k | // Try a redundant low-level type. |
1174 | 2.51k | LLT Ty; |
1175 | 2.51k | if (parseLowLevelType(Token.location(), Ty)) |
1176 | 2 | return error("expected tied-def or low-level type after '('"); |
1177 | 2.51k | |
1178 | 2.51k | if (2.51k expectAndConsume(MIToken::rparen)2.51k ) |
1179 | 0 | return true; |
1180 | 2.51k | |
1181 | 2.51k | if (2.51k MRI.getType(Reg).isValid() && 2.51k MRI.getType(Reg) != Ty2.51k ) |
1182 | 0 | return error("inconsistent type for generic virtual register"); |
1183 | 2.51k | |
1184 | 2.51k | MRI.setType(Reg, Ty); |
1185 | 2.51k | } |
1186 | 2.53k | } |
1187 | 40.6k | } else if (14.5k consumeIfPresent(MIToken::lparen)14.5k ) { |
1188 | 4.72k | // Virtual registers may have a tpe with GlobalISel. |
1189 | 4.72k | if (!TargetRegisterInfo::isVirtualRegister(Reg)) |
1190 | 1 | return error("unexpected type on physical register"); |
1191 | 4.72k | |
1192 | 4.72k | LLT Ty; |
1193 | 4.72k | if (parseLowLevelType(Token.location(), Ty)) |
1194 | 0 | return true; |
1195 | 4.72k | |
1196 | 4.72k | if (4.72k expectAndConsume(MIToken::rparen)4.72k ) |
1197 | 0 | return true; |
1198 | 4.72k | |
1199 | 4.72k | if (4.72k MRI.getType(Reg).isValid() && 4.72k MRI.getType(Reg) != Ty1 ) |
1200 | 0 | return error("inconsistent type for generic virtual register"); |
1201 | 4.72k | |
1202 | 4.72k | MRI.setType(Reg, Ty); |
1203 | 14.5k | } else if (9.78k TargetRegisterInfo::isVirtualRegister(Reg)9.78k ) { |
1204 | 2.27k | // Generic virtual registers must have a type. |
1205 | 2.27k | // If we end up here this means the type hasn't been specified and |
1206 | 2.27k | // this is bad! |
1207 | 2.27k | if (RegInfo->Kind == VRegInfo::GENERIC || |
1208 | 2.27k | RegInfo->Kind == VRegInfo::REGBANK) |
1209 | 2 | return error("generic virtual registers must have a type"); |
1210 | 40.6k | } |
1211 | 40.6k | Dest = MachineOperand::CreateReg( |
1212 | 40.6k | Reg, Flags & RegState::Define, Flags & RegState::Implicit, |
1213 | 40.6k | Flags & RegState::Kill, Flags & RegState::Dead, Flags & RegState::Undef, |
1214 | 40.6k | Flags & RegState::EarlyClobber, SubReg, Flags & RegState::Debug, |
1215 | 40.6k | Flags & RegState::InternalRead); |
1216 | 40.6k | return false; |
1217 | 40.6k | } |
1218 | | |
1219 | 9.39k | bool MIParser::parseImmediateOperand(MachineOperand &Dest) { |
1220 | 9.39k | assert(Token.is(MIToken::IntegerLiteral)); |
1221 | 9.39k | const APSInt &Int = Token.integerValue(); |
1222 | 9.39k | if (Int.getMinSignedBits() > 64) |
1223 | 1 | return error("integer literal is too large to be an immediate operand"); |
1224 | 9.39k | Dest = MachineOperand::CreateImm(Int.getExtValue()); |
1225 | 9.39k | lex(); |
1226 | 9.39k | return false; |
1227 | 9.39k | } |
1228 | | |
1229 | | bool MIParser::parseIRConstant(StringRef::iterator Loc, StringRef StringValue, |
1230 | 354 | const Constant *&C) { |
1231 | 354 | auto Source = StringValue.str(); // The source has to be null terminated. |
1232 | 354 | SMDiagnostic Err; |
1233 | 354 | C = parseConstantValue(Source, Err, *MF.getFunction()->getParent(), |
1234 | 354 | &PFS.IRSlots); |
1235 | 354 | if (!C) |
1236 | 1 | return error(Loc + Err.getColumnNo(), Err.getMessage()); |
1237 | 353 | return false; |
1238 | 353 | } |
1239 | | |
1240 | 221 | bool MIParser::parseIRConstant(StringRef::iterator Loc, const Constant *&C) { |
1241 | 221 | if (parseIRConstant(Loc, StringRef(Loc, Token.range().end() - Loc), C)) |
1242 | 1 | return true; |
1243 | 220 | lex(); |
1244 | 220 | return false; |
1245 | 220 | } |
1246 | | |
1247 | 7.24k | bool MIParser::parseLowLevelType(StringRef::iterator Loc, LLT &Ty) { |
1248 | 7.24k | if (Token.is(MIToken::ScalarType)7.24k ) { |
1249 | 5.39k | Ty = LLT::scalar(APSInt(Token.range().drop_front()).getZExtValue()); |
1250 | 5.39k | lex(); |
1251 | 5.39k | return false; |
1252 | 1.85k | } else if (1.85k Token.is(MIToken::PointerType)1.85k ) { |
1253 | 850 | const DataLayout &DL = MF.getFunction()->getParent()->getDataLayout(); |
1254 | 850 | unsigned AS = APSInt(Token.range().drop_front()).getZExtValue(); |
1255 | 850 | Ty = LLT::pointer(AS, DL.getPointerSizeInBits(AS)); |
1256 | 850 | lex(); |
1257 | 850 | return false; |
1258 | 850 | } |
1259 | 1.00k | |
1260 | 1.00k | // Now we're looking for a vector. |
1261 | 1.00k | if (1.00k Token.isNot(MIToken::less)1.00k ) |
1262 | 2 | return error(Loc, |
1263 | 2 | "expected unsized, pN, sN or <N x sM> for GlobalISel type"); |
1264 | 1.00k | |
1265 | 1.00k | lex(); |
1266 | 1.00k | |
1267 | 1.00k | if (Token.isNot(MIToken::IntegerLiteral)) |
1268 | 0 | return error(Loc, "expected <N x sM> for vctor type"); |
1269 | 1.00k | uint64_t NumElements = Token.integerValue().getZExtValue(); |
1270 | 1.00k | lex(); |
1271 | 1.00k | |
1272 | 1.00k | if (Token.isNot(MIToken::Identifier) || 1.00k Token.stringValue() != "x"1.00k ) |
1273 | 0 | return error(Loc, "expected '<N x sM>' for vector type"); |
1274 | 1.00k | lex(); |
1275 | 1.00k | |
1276 | 1.00k | if (Token.isNot(MIToken::ScalarType)) |
1277 | 0 | return error(Loc, "expected '<N x sM>' for vector type"); |
1278 | 1.00k | uint64_t ScalarSize = APSInt(Token.range().drop_front()).getZExtValue(); |
1279 | 1.00k | lex(); |
1280 | 1.00k | |
1281 | 1.00k | if (Token.isNot(MIToken::greater)) |
1282 | 0 | return error(Loc, "expected '<N x sM>' for vector type"); |
1283 | 1.00k | lex(); |
1284 | 1.00k | |
1285 | 1.00k | Ty = LLT::vector(NumElements, ScalarSize); |
1286 | 1.00k | return false; |
1287 | 1.00k | } |
1288 | | |
1289 | 183 | bool MIParser::parseTypedImmediateOperand(MachineOperand &Dest) { |
1290 | 183 | assert(Token.is(MIToken::IntegerType)); |
1291 | 183 | auto Loc = Token.location(); |
1292 | 183 | lex(); |
1293 | 183 | if (Token.isNot(MIToken::IntegerLiteral)) |
1294 | 0 | return error("expected an integer literal"); |
1295 | 183 | const Constant *C = nullptr; |
1296 | 183 | if (parseIRConstant(Loc, C)) |
1297 | 0 | return true; |
1298 | 183 | Dest = MachineOperand::CreateCImm(cast<ConstantInt>(C)); |
1299 | 183 | return false; |
1300 | 183 | } |
1301 | | |
1302 | 39 | bool MIParser::parseFPImmediateOperand(MachineOperand &Dest) { |
1303 | 39 | auto Loc = Token.location(); |
1304 | 39 | lex(); |
1305 | 39 | if (Token.isNot(MIToken::FloatingPointLiteral) && |
1306 | 3 | Token.isNot(MIToken::HexLiteral)) |
1307 | 1 | return error("expected a floating point literal"); |
1308 | 38 | const Constant *C = nullptr; |
1309 | 38 | if (parseIRConstant(Loc, C)) |
1310 | 1 | return true; |
1311 | 37 | Dest = MachineOperand::CreateFPImm(cast<ConstantFP>(C)); |
1312 | 37 | return false; |
1313 | 37 | } |
1314 | | |
1315 | 25.2k | bool MIParser::getUnsigned(unsigned &Result) { |
1316 | 25.2k | if (Token.hasIntegerValue()25.2k ) { |
1317 | 24.8k | const uint64_t Limit = uint64_t(std::numeric_limits<unsigned>::max()) + 1; |
1318 | 24.8k | uint64_t Val64 = Token.integerValue().getLimitedValue(Limit); |
1319 | 24.8k | if (Val64 == Limit) |
1320 | 1 | return error("expected 32-bit integer (too large)"); |
1321 | 24.8k | Result = Val64; |
1322 | 24.8k | return false; |
1323 | 24.8k | } |
1324 | 400 | if (400 Token.is(MIToken::HexLiteral)400 ) { |
1325 | 400 | APInt A; |
1326 | 400 | if (getHexUint(A)) |
1327 | 0 | return true; |
1328 | 400 | if (400 A.getBitWidth() > 32400 ) |
1329 | 0 | return error("expected 32-bit integer (too large)"); |
1330 | 400 | Result = A.getZExtValue(); |
1331 | 400 | return false; |
1332 | 400 | } |
1333 | 0 | return true; |
1334 | 0 | } |
1335 | | |
1336 | 4.90k | bool MIParser::parseMBBReference(MachineBasicBlock *&MBB) { |
1337 | 4.90k | assert(Token.is(MIToken::MachineBasicBlock) || |
1338 | 4.90k | Token.is(MIToken::MachineBasicBlockLabel)); |
1339 | 4.90k | unsigned Number; |
1340 | 4.90k | if (getUnsigned(Number)) |
1341 | 1 | return true; |
1342 | 4.90k | auto MBBInfo = PFS.MBBSlots.find(Number); |
1343 | 4.90k | if (MBBInfo == PFS.MBBSlots.end()) |
1344 | 1 | return error(Twine("use of undefined machine basic block #") + |
1345 | 1 | Twine(Number)); |
1346 | 4.90k | MBB = MBBInfo->second; |
1347 | 4.90k | if (!Token.stringValue().empty() && 4.90k Token.stringValue() != MBB->getName()1.73k ) |
1348 | 1 | return error(Twine("the name of machine basic block #") + Twine(Number) + |
1349 | 1 | " isn't '" + Token.stringValue() + "'"); |
1350 | 4.90k | return false; |
1351 | 4.90k | } |
1352 | | |
1353 | 899 | bool MIParser::parseMBBOperand(MachineOperand &Dest) { |
1354 | 899 | MachineBasicBlock *MBB; |
1355 | 899 | if (parseMBBReference(MBB)) |
1356 | 3 | return true; |
1357 | 896 | Dest = MachineOperand::CreateMBB(MBB); |
1358 | 896 | lex(); |
1359 | 896 | return false; |
1360 | 896 | } |
1361 | | |
1362 | 88 | bool MIParser::parseStackFrameIndex(int &FI) { |
1363 | 88 | assert(Token.is(MIToken::StackObject)); |
1364 | 88 | unsigned ID; |
1365 | 88 | if (getUnsigned(ID)) |
1366 | 0 | return true; |
1367 | 88 | auto ObjectInfo = PFS.StackObjectSlots.find(ID); |
1368 | 88 | if (ObjectInfo == PFS.StackObjectSlots.end()) |
1369 | 1 | return error(Twine("use of undefined stack object '%stack.") + Twine(ID) + |
1370 | 1 | "'"); |
1371 | 87 | StringRef Name; |
1372 | 87 | if (const auto *Alloca = |
1373 | 87 | MF.getFrameInfo().getObjectAllocation(ObjectInfo->second)) |
1374 | 32 | Name = Alloca->getName(); |
1375 | 87 | if (!Token.stringValue().empty() && 87 Token.stringValue() != Name31 ) |
1376 | 1 | return error(Twine("the name of the stack object '%stack.") + Twine(ID) + |
1377 | 1 | "' isn't '" + Token.stringValue() + "'"); |
1378 | 86 | lex(); |
1379 | 86 | FI = ObjectInfo->second; |
1380 | 86 | return false; |
1381 | 86 | } |
1382 | | |
1383 | 35 | bool MIParser::parseStackObjectOperand(MachineOperand &Dest) { |
1384 | 35 | int FI; |
1385 | 35 | if (parseStackFrameIndex(FI)) |
1386 | 2 | return true; |
1387 | 33 | Dest = MachineOperand::CreateFI(FI); |
1388 | 33 | return false; |
1389 | 33 | } |
1390 | | |
1391 | 51 | bool MIParser::parseFixedStackFrameIndex(int &FI) { |
1392 | 51 | assert(Token.is(MIToken::FixedStackObject)); |
1393 | 51 | unsigned ID; |
1394 | 51 | if (getUnsigned(ID)) |
1395 | 0 | return true; |
1396 | 51 | auto ObjectInfo = PFS.FixedStackObjectSlots.find(ID); |
1397 | 51 | if (ObjectInfo == PFS.FixedStackObjectSlots.end()) |
1398 | 1 | return error(Twine("use of undefined fixed stack object '%fixed-stack.") + |
1399 | 1 | Twine(ID) + "'"); |
1400 | 50 | lex(); |
1401 | 50 | FI = ObjectInfo->second; |
1402 | 50 | return false; |
1403 | 50 | } |
1404 | | |
1405 | 20 | bool MIParser::parseFixedStackObjectOperand(MachineOperand &Dest) { |
1406 | 20 | int FI; |
1407 | 20 | if (parseFixedStackFrameIndex(FI)) |
1408 | 1 | return true; |
1409 | 19 | Dest = MachineOperand::CreateFI(FI); |
1410 | 19 | return false; |
1411 | 19 | } |
1412 | | |
1413 | 401 | bool MIParser::parseGlobalValue(GlobalValue *&GV) { |
1414 | 401 | switch (Token.kind()) { |
1415 | 397 | case MIToken::NamedGlobalValue: { |
1416 | 397 | const Module *M = MF.getFunction()->getParent(); |
1417 | 397 | GV = M->getNamedValue(Token.stringValue()); |
1418 | 397 | if (!GV) |
1419 | 1 | return error(Twine("use of undefined global value '") + Token.range() + |
1420 | 1 | "'"); |
1421 | 396 | break; |
1422 | 396 | } |
1423 | 4 | case MIToken::GlobalValue: { |
1424 | 4 | unsigned GVIdx; |
1425 | 4 | if (getUnsigned(GVIdx)) |
1426 | 0 | return true; |
1427 | 4 | if (4 GVIdx >= PFS.IRSlots.GlobalValues.size()4 ) |
1428 | 1 | return error(Twine("use of undefined global value '@") + Twine(GVIdx) + |
1429 | 1 | "'"); |
1430 | 3 | GV = PFS.IRSlots.GlobalValues[GVIdx]; |
1431 | 3 | break; |
1432 | 3 | } |
1433 | 0 | default: |
1434 | 0 | llvm_unreachable("The current token should be a global value"); |
1435 | 399 | } |
1436 | 399 | return false; |
1437 | 399 | } |
1438 | | |
1439 | 297 | bool MIParser::parseGlobalAddressOperand(MachineOperand &Dest) { |
1440 | 297 | GlobalValue *GV = nullptr; |
1441 | 297 | if (parseGlobalValue(GV)) |
1442 | 2 | return true; |
1443 | 295 | lex(); |
1444 | 295 | Dest = MachineOperand::CreateGA(GV, /*Offset=*/0); |
1445 | 295 | if (parseOperandsOffset(Dest)) |
1446 | 2 | return true; |
1447 | 293 | return false; |
1448 | 293 | } |
1449 | | |
1450 | 16 | bool MIParser::parseConstantPoolIndexOperand(MachineOperand &Dest) { |
1451 | 16 | assert(Token.is(MIToken::ConstantPoolItem)); |
1452 | 16 | unsigned ID; |
1453 | 16 | if (getUnsigned(ID)) |
1454 | 0 | return true; |
1455 | 16 | auto ConstantInfo = PFS.ConstantPoolSlots.find(ID); |
1456 | 16 | if (ConstantInfo == PFS.ConstantPoolSlots.end()) |
1457 | 1 | return error("use of undefined constant '%const." + Twine(ID) + "'"); |
1458 | 15 | lex(); |
1459 | 15 | Dest = MachineOperand::CreateCPI(ID, /*Offset=*/0); |
1460 | 15 | if (parseOperandsOffset(Dest)) |
1461 | 0 | return true; |
1462 | 15 | return false; |
1463 | 15 | } |
1464 | | |
1465 | 12 | bool MIParser::parseJumpTableIndexOperand(MachineOperand &Dest) { |
1466 | 12 | assert(Token.is(MIToken::JumpTableIndex)); |
1467 | 12 | unsigned ID; |
1468 | 12 | if (getUnsigned(ID)) |
1469 | 0 | return true; |
1470 | 12 | auto JumpTableEntryInfo = PFS.JumpTableSlots.find(ID); |
1471 | 12 | if (JumpTableEntryInfo == PFS.JumpTableSlots.end()) |
1472 | 1 | return error("use of undefined jump table '%jump-table." + Twine(ID) + "'"); |
1473 | 11 | lex(); |
1474 | 11 | Dest = MachineOperand::CreateJTI(JumpTableEntryInfo->second); |
1475 | 11 | return false; |
1476 | 11 | } |
1477 | | |
1478 | 51 | bool MIParser::parseExternalSymbolOperand(MachineOperand &Dest) { |
1479 | 51 | assert(Token.is(MIToken::ExternalSymbol)); |
1480 | 51 | const char *Symbol = MF.createExternalSymbolName(Token.stringValue()); |
1481 | 51 | lex(); |
1482 | 51 | Dest = MachineOperand::CreateES(Symbol); |
1483 | 51 | if (parseOperandsOffset(Dest)) |
1484 | 0 | return true; |
1485 | 51 | return false; |
1486 | 51 | } |
1487 | | |
1488 | 53 | bool MIParser::parseSubRegisterIndexOperand(MachineOperand &Dest) { |
1489 | 53 | assert(Token.is(MIToken::SubRegisterIndex)); |
1490 | 53 | StringRef Name = Token.stringValue(); |
1491 | 53 | unsigned SubRegIndex = getSubRegIndex(Token.stringValue()); |
1492 | 53 | if (SubRegIndex == 0) |
1493 | 1 | return error(Twine("unknown subregister index '") + Name + "'"); |
1494 | 52 | lex(); |
1495 | 52 | Dest = MachineOperand::CreateImm(SubRegIndex); |
1496 | 52 | return false; |
1497 | 52 | } |
1498 | | |
1499 | 823 | bool MIParser::parseMDNode(MDNode *&Node) { |
1500 | 823 | assert(Token.is(MIToken::exclaim)); |
1501 | 823 | |
1502 | 823 | auto Loc = Token.location(); |
1503 | 823 | lex(); |
1504 | 823 | if (Token.isNot(MIToken::IntegerLiteral) || 823 Token.integerValue().isSigned()822 ) |
1505 | 1 | return error("expected metadata id after '!'"); |
1506 | 822 | unsigned ID; |
1507 | 822 | if (getUnsigned(ID)) |
1508 | 0 | return true; |
1509 | 822 | auto NodeInfo = PFS.IRSlots.MetadataNodes.find(ID); |
1510 | 822 | if (NodeInfo == PFS.IRSlots.MetadataNodes.end()) |
1511 | 1 | return error(Loc, "use of undefined metadata '!" + Twine(ID) + "'"); |
1512 | 821 | lex(); |
1513 | 821 | Node = NodeInfo->second.get(); |
1514 | 821 | return false; |
1515 | 821 | } |
1516 | | |
1517 | 18 | bool MIParser::parseDIExpression(MDNode *&Expr) { |
1518 | 18 | assert(Token.is(MIToken::md_diexpr)); |
1519 | 18 | lex(); |
1520 | 18 | |
1521 | 18 | // FIXME: Share this parsing with the IL parser. |
1522 | 18 | SmallVector<uint64_t, 8> Elements; |
1523 | 18 | |
1524 | 18 | if (expectAndConsume(MIToken::lparen)) |
1525 | 0 | return true; |
1526 | 18 | |
1527 | 18 | if (18 Token.isNot(MIToken::rparen)18 ) { |
1528 | 6 | do { |
1529 | 6 | if (Token.is(MIToken::Identifier)6 ) { |
1530 | 4 | if (unsigned Op4 = dwarf::getOperationEncoding(Token.stringValue())) { |
1531 | 4 | lex(); |
1532 | 4 | Elements.push_back(Op); |
1533 | 4 | continue; |
1534 | 4 | } |
1535 | 0 | return error(Twine("invalid DWARF op '") + Token.stringValue() + "'"); |
1536 | 0 | } |
1537 | 2 | |
1538 | 2 | if (2 Token.isNot(MIToken::IntegerLiteral) || |
1539 | 2 | Token.integerValue().isSigned()) |
1540 | 0 | return error("expected unsigned integer"); |
1541 | 2 | |
1542 | 2 | auto &U = Token.integerValue(); |
1543 | 2 | if (U.ugt(UINT64_MAX)) |
1544 | 0 | return error("element too large, limit is " + Twine(UINT64_MAX)); |
1545 | 2 | Elements.push_back(U.getZExtValue()); |
1546 | 2 | lex(); |
1547 | 2 | |
1548 | 6 | } while (consumeIfPresent(MIToken::comma)); |
1549 | 2 | } |
1550 | 18 | |
1551 | 18 | if (18 expectAndConsume(MIToken::rparen)18 ) |
1552 | 0 | return true; |
1553 | 18 | |
1554 | 18 | Expr = DIExpression::get(MF.getFunction()->getContext(), Elements); |
1555 | 18 | return false; |
1556 | 18 | } |
1557 | | |
1558 | 383 | bool MIParser::parseMetadataOperand(MachineOperand &Dest) { |
1559 | 383 | MDNode *Node = nullptr; |
1560 | 383 | if (Token.is(MIToken::exclaim)383 ) { |
1561 | 366 | if (parseMDNode(Node)) |
1562 | 2 | return true; |
1563 | 17 | } else if (17 Token.is(MIToken::md_diexpr)17 ) { |
1564 | 17 | if (parseDIExpression(Node)) |
1565 | 0 | return true; |
1566 | 381 | } |
1567 | 381 | Dest = MachineOperand::CreateMetadata(Node); |
1568 | 381 | return false; |
1569 | 381 | } |
1570 | | |
1571 | 101 | bool MIParser::parseCFIOffset(int &Offset) { |
1572 | 101 | if (Token.isNot(MIToken::IntegerLiteral)) |
1573 | 1 | return error("expected a cfi offset"); |
1574 | 100 | if (100 Token.integerValue().getMinSignedBits() > 32100 ) |
1575 | 1 | return error("expected a 32 bit integer (the cfi offset is too large)"); |
1576 | 99 | Offset = (int)Token.integerValue().getExtValue(); |
1577 | 99 | lex(); |
1578 | 99 | return false; |
1579 | 99 | } |
1580 | | |
1581 | 73 | bool MIParser::parseCFIRegister(unsigned &Reg) { |
1582 | 73 | if (Token.isNot(MIToken::NamedRegister)) |
1583 | 1 | return error("expected a cfi register"); |
1584 | 72 | unsigned LLVMReg; |
1585 | 72 | if (parseNamedRegister(LLVMReg)) |
1586 | 0 | return true; |
1587 | 72 | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
1588 | 72 | assert(TRI && "Expected target register info"); |
1589 | 72 | int DwarfReg = TRI->getDwarfRegNum(LLVMReg, true); |
1590 | 72 | if (DwarfReg < 0) |
1591 | 0 | return error("invalid DWARF register"); |
1592 | 72 | Reg = (unsigned)DwarfReg; |
1593 | 72 | lex(); |
1594 | 72 | return false; |
1595 | 72 | } |
1596 | | |
1597 | 115 | bool MIParser::parseCFIOperand(MachineOperand &Dest) { |
1598 | 115 | auto Kind = Token.kind(); |
1599 | 115 | lex(); |
1600 | 115 | int Offset; |
1601 | 115 | unsigned Reg; |
1602 | 115 | unsigned CFIIndex; |
1603 | 115 | switch (Kind) { |
1604 | 2 | case MIToken::kw_cfi_same_value: |
1605 | 2 | if (parseCFIRegister(Reg)) |
1606 | 0 | return true; |
1607 | 2 | CFIIndex = MF.addFrameInst(MCCFIInstruction::createSameValue(nullptr, Reg)); |
1608 | 2 | break; |
1609 | 60 | case MIToken::kw_cfi_offset: |
1610 | 60 | if (parseCFIRegister(Reg) || 60 expectAndConsume(MIToken::comma)59 || |
1611 | 58 | parseCFIOffset(Offset)) |
1612 | 2 | return true; |
1613 | 58 | CFIIndex = |
1614 | 58 | MF.addFrameInst(MCCFIInstruction::createOffset(nullptr, Reg, Offset)); |
1615 | 58 | break; |
1616 | 10 | case MIToken::kw_cfi_def_cfa_register: |
1617 | 10 | if (parseCFIRegister(Reg)) |
1618 | 0 | return true; |
1619 | 10 | CFIIndex = |
1620 | 10 | MF.addFrameInst(MCCFIInstruction::createDefCfaRegister(nullptr, Reg)); |
1621 | 10 | break; |
1622 | 42 | case MIToken::kw_cfi_def_cfa_offset: |
1623 | 42 | if (parseCFIOffset(Offset)) |
1624 | 2 | return true; |
1625 | 40 | // NB: MCCFIInstruction::createDefCfaOffset negates the offset. |
1626 | 40 | CFIIndex = MF.addFrameInst( |
1627 | 40 | MCCFIInstruction::createDefCfaOffset(nullptr, -Offset)); |
1628 | 40 | break; |
1629 | 1 | case MIToken::kw_cfi_def_cfa: |
1630 | 1 | if (parseCFIRegister(Reg) || 1 expectAndConsume(MIToken::comma)1 || |
1631 | 1 | parseCFIOffset(Offset)) |
1632 | 0 | return true; |
1633 | 1 | // NB: MCCFIInstruction::createDefCfa negates the offset. |
1634 | 1 | CFIIndex = |
1635 | 1 | MF.addFrameInst(MCCFIInstruction::createDefCfa(nullptr, Reg, -Offset)); |
1636 | 1 | break; |
1637 | 0 | default: |
1638 | 0 | // TODO: Parse the other CFI operands. |
1639 | 0 | llvm_unreachable("The current token should be a cfi operand"); |
1640 | 111 | } |
1641 | 111 | Dest = MachineOperand::CreateCFIIndex(CFIIndex); |
1642 | 111 | return false; |
1643 | 111 | } |
1644 | | |
1645 | 736 | bool MIParser::parseIRBlock(BasicBlock *&BB, const Function &F) { |
1646 | 736 | switch (Token.kind()) { |
1647 | 4 | case MIToken::NamedIRBlock: { |
1648 | 4 | BB = dyn_cast_or_null<BasicBlock>( |
1649 | 4 | F.getValueSymbolTable()->lookup(Token.stringValue())); |
1650 | 4 | if (!BB) |
1651 | 1 | return error(Twine("use of undefined IR block '") + Token.range() + "'"); |
1652 | 3 | break; |
1653 | 3 | } |
1654 | 732 | case MIToken::IRBlock: { |
1655 | 732 | unsigned SlotNumber = 0; |
1656 | 732 | if (getUnsigned(SlotNumber)) |
1657 | 0 | return true; |
1658 | 732 | BB = const_cast<BasicBlock *>(getIRBlock(SlotNumber, F)); |
1659 | 732 | if (!BB) |
1660 | 2 | return error(Twine("use of undefined IR block '%ir-block.") + |
1661 | 2 | Twine(SlotNumber) + "'"); |
1662 | 730 | break; |
1663 | 730 | } |
1664 | 0 | default: |
1665 | 0 | llvm_unreachable("The current token should be an IR block reference"); |
1666 | 733 | } |
1667 | 733 | return false; |
1668 | 733 | } |
1669 | | |
1670 | 10 | bool MIParser::parseBlockAddressOperand(MachineOperand &Dest) { |
1671 | 10 | assert(Token.is(MIToken::kw_blockaddress)); |
1672 | 10 | lex(); |
1673 | 10 | if (expectAndConsume(MIToken::lparen)) |
1674 | 0 | return true; |
1675 | 10 | if (10 Token.isNot(MIToken::GlobalValue) && |
1676 | 10 | Token.isNot(MIToken::NamedGlobalValue)) |
1677 | 1 | return error("expected a global value"); |
1678 | 9 | GlobalValue *GV = nullptr; |
1679 | 9 | if (parseGlobalValue(GV)) |
1680 | 0 | return true; |
1681 | 9 | auto *F = dyn_cast<Function>(GV); |
1682 | 9 | if (!F) |
1683 | 1 | return error("expected an IR function reference"); |
1684 | 8 | lex(); |
1685 | 8 | if (expectAndConsume(MIToken::comma)) |
1686 | 0 | return true; |
1687 | 8 | BasicBlock *BB = nullptr; |
1688 | 8 | if (Token.isNot(MIToken::IRBlock) && 8 Token.isNot(MIToken::NamedIRBlock)5 ) |
1689 | 1 | return error("expected an IR block reference"); |
1690 | 7 | if (7 parseIRBlock(BB, *F)7 ) |
1691 | 2 | return true; |
1692 | 5 | lex(); |
1693 | 5 | if (expectAndConsume(MIToken::rparen)) |
1694 | 0 | return true; |
1695 | 5 | Dest = MachineOperand::CreateBA(BlockAddress::get(F, BB), /*Offset=*/0); |
1696 | 5 | if (parseOperandsOffset(Dest)) |
1697 | 0 | return true; |
1698 | 5 | return false; |
1699 | 5 | } |
1700 | | |
1701 | 7 | bool MIParser::parseIntrinsicOperand(MachineOperand &Dest) { |
1702 | 7 | assert(Token.is(MIToken::kw_intrinsic)); |
1703 | 7 | lex(); |
1704 | 7 | if (expectAndConsume(MIToken::lparen)) |
1705 | 0 | return error("expected syntax intrinsic(@llvm.whatever)"); |
1706 | 7 | |
1707 | 7 | if (7 Token.isNot(MIToken::NamedGlobalValue)7 ) |
1708 | 0 | return error("expected syntax intrinsic(@llvm.whatever)"); |
1709 | 7 | |
1710 | 7 | std::string Name = Token.stringValue(); |
1711 | 7 | lex(); |
1712 | 7 | |
1713 | 7 | if (expectAndConsume(MIToken::rparen)) |
1714 | 0 | return error("expected ')' to terminate intrinsic name"); |
1715 | 7 | |
1716 | 7 | // Find out what intrinsic we're dealing with, first try the global namespace |
1717 | 7 | // and then the target's private intrinsics if that fails. |
1718 | 7 | const TargetIntrinsicInfo *TII = MF.getTarget().getIntrinsicInfo(); |
1719 | 7 | Intrinsic::ID ID = Function::lookupIntrinsicID(Name); |
1720 | 7 | if (ID == Intrinsic::not_intrinsic && 7 TII0 ) |
1721 | 0 | ID = static_cast<Intrinsic::ID>(TII->lookupName(Name)); |
1722 | 7 | |
1723 | 7 | if (ID == Intrinsic::not_intrinsic) |
1724 | 0 | return error("unknown intrinsic name"); |
1725 | 7 | Dest = MachineOperand::CreateIntrinsicID(ID); |
1726 | 7 | |
1727 | 7 | return false; |
1728 | 7 | } |
1729 | | |
1730 | 226 | bool MIParser::parsePredicateOperand(MachineOperand &Dest) { |
1731 | 226 | assert(Token.is(MIToken::kw_intpred) || Token.is(MIToken::kw_floatpred)); |
1732 | 226 | bool IsFloat = Token.is(MIToken::kw_floatpred); |
1733 | 226 | lex(); |
1734 | 226 | |
1735 | 226 | if (expectAndConsume(MIToken::lparen)) |
1736 | 0 | return error("expected syntax intpred(whatever) or floatpred(whatever"); |
1737 | 226 | |
1738 | 226 | if (226 Token.isNot(MIToken::Identifier)226 ) |
1739 | 0 | return error("whatever"); |
1740 | 226 | |
1741 | 226 | CmpInst::Predicate Pred; |
1742 | 226 | if (IsFloat226 ) { |
1743 | 139 | Pred = StringSwitch<CmpInst::Predicate>(Token.stringValue()) |
1744 | 139 | .Case("false", CmpInst::FCMP_FALSE) |
1745 | 139 | .Case("oeq", CmpInst::FCMP_OEQ) |
1746 | 139 | .Case("ogt", CmpInst::FCMP_OGT) |
1747 | 139 | .Case("oge", CmpInst::FCMP_OGE) |
1748 | 139 | .Case("olt", CmpInst::FCMP_OLT) |
1749 | 139 | .Case("ole", CmpInst::FCMP_OLE) |
1750 | 139 | .Case("one", CmpInst::FCMP_ONE) |
1751 | 139 | .Case("ord", CmpInst::FCMP_ORD) |
1752 | 139 | .Case("uno", CmpInst::FCMP_UNO) |
1753 | 139 | .Case("ueq", CmpInst::FCMP_UEQ) |
1754 | 139 | .Case("ugt", CmpInst::FCMP_UGT) |
1755 | 139 | .Case("uge", CmpInst::FCMP_UGE) |
1756 | 139 | .Case("ult", CmpInst::FCMP_ULT) |
1757 | 139 | .Case("ule", CmpInst::FCMP_ULE) |
1758 | 139 | .Case("une", CmpInst::FCMP_UNE) |
1759 | 139 | .Case("true", CmpInst::FCMP_TRUE) |
1760 | 139 | .Default(CmpInst::BAD_FCMP_PREDICATE); |
1761 | 139 | if (!CmpInst::isFPPredicate(Pred)) |
1762 | 0 | return error("invalid floating-point predicate"); |
1763 | 87 | } else { |
1764 | 87 | Pred = StringSwitch<CmpInst::Predicate>(Token.stringValue()) |
1765 | 87 | .Case("eq", CmpInst::ICMP_EQ) |
1766 | 87 | .Case("ne", CmpInst::ICMP_NE) |
1767 | 87 | .Case("sgt", CmpInst::ICMP_SGT) |
1768 | 87 | .Case("sge", CmpInst::ICMP_SGE) |
1769 | 87 | .Case("slt", CmpInst::ICMP_SLT) |
1770 | 87 | .Case("sle", CmpInst::ICMP_SLE) |
1771 | 87 | .Case("ugt", CmpInst::ICMP_UGT) |
1772 | 87 | .Case("uge", CmpInst::ICMP_UGE) |
1773 | 87 | .Case("ult", CmpInst::ICMP_ULT) |
1774 | 87 | .Case("ule", CmpInst::ICMP_ULE) |
1775 | 87 | .Default(CmpInst::BAD_ICMP_PREDICATE); |
1776 | 87 | if (!CmpInst::isIntPredicate(Pred)) |
1777 | 0 | return error("invalid integer predicate"); |
1778 | 226 | } |
1779 | 226 | |
1780 | 226 | lex(); |
1781 | 226 | Dest = MachineOperand::CreatePredicate(Pred); |
1782 | 226 | if (expectAndConsume(MIToken::rparen)) |
1783 | 0 | return error("predicate should be terminated by ')'."); |
1784 | 226 | |
1785 | 226 | return false; |
1786 | 226 | } |
1787 | | |
1788 | 4 | bool MIParser::parseTargetIndexOperand(MachineOperand &Dest) { |
1789 | 4 | assert(Token.is(MIToken::kw_target_index)); |
1790 | 4 | lex(); |
1791 | 4 | if (expectAndConsume(MIToken::lparen)) |
1792 | 0 | return true; |
1793 | 4 | if (4 Token.isNot(MIToken::Identifier)4 ) |
1794 | 1 | return error("expected the name of the target index"); |
1795 | 3 | int Index = 0; |
1796 | 3 | if (getTargetIndex(Token.stringValue(), Index)) |
1797 | 1 | return error("use of undefined target index '" + Token.stringValue() + "'"); |
1798 | 2 | lex(); |
1799 | 2 | if (expectAndConsume(MIToken::rparen)) |
1800 | 0 | return true; |
1801 | 2 | Dest = MachineOperand::CreateTargetIndex(unsigned(Index), /*Offset=*/0); |
1802 | 2 | if (parseOperandsOffset(Dest)) |
1803 | 0 | return true; |
1804 | 2 | return false; |
1805 | 2 | } |
1806 | | |
1807 | 1 | bool MIParser::parseCustomRegisterMaskOperand(MachineOperand &Dest) { |
1808 | 1 | assert(Token.stringValue() == "CustomRegMask" && "Expected a custom RegMask"); |
1809 | 1 | const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo(); |
1810 | 1 | assert(TRI && "Expected target register info"); |
1811 | 1 | lex(); |
1812 | 1 | if (expectAndConsume(MIToken::lparen)) |
1813 | 0 | return true; |
1814 | 1 | |
1815 | 1 | uint32_t *Mask = MF.allocateRegisterMask(TRI->getNumRegs()); |
1816 | 45 | while (true45 ) { |
1817 | 45 | if (Token.isNot(MIToken::NamedRegister)) |
1818 | 0 | return error("expected a named register"); |
1819 | 45 | unsigned Reg; |
1820 | 45 | if (parseNamedRegister(Reg)) |
1821 | 0 | return true; |
1822 | 45 | lex(); |
1823 | 45 | Mask[Reg / 32] |= 1U << (Reg % 32); |
1824 | 45 | // TODO: Report an error if the same register is used more than once. |
1825 | 45 | if (Token.isNot(MIToken::comma)) |
1826 | 1 | break; |
1827 | 44 | lex(); |
1828 | 44 | } |
1829 | 1 | |
1830 | 1 | if (1 expectAndConsume(MIToken::rparen)1 ) |
1831 | 0 | return true; |
1832 | 1 | Dest = MachineOperand::CreateRegMask(Mask); |
1833 | 1 | return false; |
1834 | 1 | } |
1835 | | |
1836 | 1 | bool MIParser::parseLiveoutRegisterMaskOperand(MachineOperand &Dest) { |
1837 | 1 | assert(Token.is(MIToken::kw_liveout)); |
1838 | 1 | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
1839 | 1 | assert(TRI && "Expected target register info"); |
1840 | 1 | uint32_t *Mask = MF.allocateRegisterMask(TRI->getNumRegs()); |
1841 | 1 | lex(); |
1842 | 1 | if (expectAndConsume(MIToken::lparen)) |
1843 | 0 | return true; |
1844 | 4 | while (1 true4 ) { |
1845 | 4 | if (Token.isNot(MIToken::NamedRegister)) |
1846 | 0 | return error("expected a named register"); |
1847 | 4 | unsigned Reg; |
1848 | 4 | if (parseNamedRegister(Reg)) |
1849 | 0 | return true; |
1850 | 4 | lex(); |
1851 | 4 | Mask[Reg / 32] |= 1U << (Reg % 32); |
1852 | 4 | // TODO: Report an error if the same register is used more than once. |
1853 | 4 | if (Token.isNot(MIToken::comma)) |
1854 | 1 | break; |
1855 | 3 | lex(); |
1856 | 3 | } |
1857 | 1 | if (1 expectAndConsume(MIToken::rparen)1 ) |
1858 | 0 | return true; |
1859 | 1 | Dest = MachineOperand::CreateRegLiveOut(Mask); |
1860 | 1 | return false; |
1861 | 1 | } |
1862 | | |
1863 | | bool MIParser::parseMachineOperand(MachineOperand &Dest, |
1864 | 39.9k | Optional<unsigned> &TiedDefIdx) { |
1865 | 39.9k | switch (Token.kind()) { |
1866 | 28.0k | case MIToken::kw_implicit: |
1867 | 28.0k | case MIToken::kw_implicit_define: |
1868 | 28.0k | case MIToken::kw_def: |
1869 | 28.0k | case MIToken::kw_dead: |
1870 | 28.0k | case MIToken::kw_killed: |
1871 | 28.0k | case MIToken::kw_undef: |
1872 | 28.0k | case MIToken::kw_internal: |
1873 | 28.0k | case MIToken::kw_early_clobber: |
1874 | 28.0k | case MIToken::kw_debug_use: |
1875 | 28.0k | case MIToken::underscore: |
1876 | 28.0k | case MIToken::NamedRegister: |
1877 | 28.0k | case MIToken::VirtualRegister: |
1878 | 28.0k | return parseRegisterOperand(Dest, TiedDefIdx); |
1879 | 9.39k | case MIToken::IntegerLiteral: |
1880 | 9.39k | return parseImmediateOperand(Dest); |
1881 | 183 | case MIToken::IntegerType: |
1882 | 183 | return parseTypedImmediateOperand(Dest); |
1883 | 39 | case MIToken::kw_half: |
1884 | 39 | case MIToken::kw_float: |
1885 | 39 | case MIToken::kw_double: |
1886 | 39 | case MIToken::kw_x86_fp80: |
1887 | 39 | case MIToken::kw_fp128: |
1888 | 39 | case MIToken::kw_ppc_fp128: |
1889 | 39 | return parseFPImmediateOperand(Dest); |
1890 | 899 | case MIToken::MachineBasicBlock: |
1891 | 899 | return parseMBBOperand(Dest); |
1892 | 35 | case MIToken::StackObject: |
1893 | 35 | return parseStackObjectOperand(Dest); |
1894 | 20 | case MIToken::FixedStackObject: |
1895 | 20 | return parseFixedStackObjectOperand(Dest); |
1896 | 297 | case MIToken::GlobalValue: |
1897 | 297 | case MIToken::NamedGlobalValue: |
1898 | 297 | return parseGlobalAddressOperand(Dest); |
1899 | 16 | case MIToken::ConstantPoolItem: |
1900 | 16 | return parseConstantPoolIndexOperand(Dest); |
1901 | 12 | case MIToken::JumpTableIndex: |
1902 | 12 | return parseJumpTableIndexOperand(Dest); |
1903 | 51 | case MIToken::ExternalSymbol: |
1904 | 51 | return parseExternalSymbolOperand(Dest); |
1905 | 53 | case MIToken::SubRegisterIndex: |
1906 | 53 | return parseSubRegisterIndexOperand(Dest); |
1907 | 383 | case MIToken::md_diexpr: |
1908 | 383 | case MIToken::exclaim: |
1909 | 383 | return parseMetadataOperand(Dest); |
1910 | 115 | case MIToken::kw_cfi_same_value: |
1911 | 115 | case MIToken::kw_cfi_offset: |
1912 | 115 | case MIToken::kw_cfi_def_cfa_register: |
1913 | 115 | case MIToken::kw_cfi_def_cfa_offset: |
1914 | 115 | case MIToken::kw_cfi_def_cfa: |
1915 | 115 | return parseCFIOperand(Dest); |
1916 | 10 | case MIToken::kw_blockaddress: |
1917 | 10 | return parseBlockAddressOperand(Dest); |
1918 | 7 | case MIToken::kw_intrinsic: |
1919 | 7 | return parseIntrinsicOperand(Dest); |
1920 | 4 | case MIToken::kw_target_index: |
1921 | 4 | return parseTargetIndexOperand(Dest); |
1922 | 1 | case MIToken::kw_liveout: |
1923 | 1 | return parseLiveoutRegisterMaskOperand(Dest); |
1924 | 226 | case MIToken::kw_floatpred: |
1925 | 226 | case MIToken::kw_intpred: |
1926 | 226 | return parsePredicateOperand(Dest); |
1927 | 0 | case MIToken::Error: |
1928 | 0 | return true; |
1929 | 115 | case MIToken::Identifier: |
1930 | 115 | if (const auto *RegMask115 = getRegMask(Token.stringValue())) { |
1931 | 114 | Dest = MachineOperand::CreateRegMask(RegMask); |
1932 | 114 | lex(); |
1933 | 114 | break; |
1934 | 114 | } else |
1935 | 1 | return parseCustomRegisterMaskOperand(Dest); |
1936 | 1 | default: |
1937 | 1 | // FIXME: Parse the MCSymbol machine operand. |
1938 | 1 | return error("expected a machine operand"); |
1939 | 114 | } |
1940 | 114 | return false; |
1941 | 114 | } |
1942 | | |
1943 | | bool MIParser::parseMachineOperandAndTargetFlags( |
1944 | 39.9k | MachineOperand &Dest, Optional<unsigned> &TiedDefIdx) { |
1945 | 39.9k | unsigned TF = 0; |
1946 | 39.9k | bool HasTargetFlags = false; |
1947 | 39.9k | if (Token.is(MIToken::kw_target_flags)39.9k ) { |
1948 | 48 | HasTargetFlags = true; |
1949 | 48 | lex(); |
1950 | 48 | if (expectAndConsume(MIToken::lparen)) |
1951 | 0 | return true; |
1952 | 48 | if (48 Token.isNot(MIToken::Identifier)48 ) |
1953 | 1 | return error("expected the name of the target flag"); |
1954 | 47 | if (47 getDirectTargetFlag(Token.stringValue(), TF)47 ) { |
1955 | 4 | if (getBitmaskTargetFlag(Token.stringValue(), TF)) |
1956 | 1 | return error("use of undefined target flag '" + Token.stringValue() + |
1957 | 1 | "'"); |
1958 | 46 | } |
1959 | 46 | lex(); |
1960 | 56 | while (Token.is(MIToken::comma)56 ) { |
1961 | 12 | lex(); |
1962 | 12 | if (Token.isNot(MIToken::Identifier)) |
1963 | 1 | return error("expected the name of the target flag"); |
1964 | 11 | unsigned BitFlag = 0; |
1965 | 11 | if (getBitmaskTargetFlag(Token.stringValue(), BitFlag)) |
1966 | 1 | return error("use of undefined target flag '" + Token.stringValue() + |
1967 | 1 | "'"); |
1968 | 10 | // TODO: Report an error when using a duplicate bit target flag. |
1969 | 10 | TF |= BitFlag; |
1970 | 10 | lex(); |
1971 | 10 | } |
1972 | 44 | if (44 expectAndConsume(MIToken::rparen)44 ) |
1973 | 0 | return true; |
1974 | 39.9k | } |
1975 | 39.9k | auto Loc = Token.location(); |
1976 | 39.9k | if (parseMachineOperand(Dest, TiedDefIdx)) |
1977 | 37 | return true; |
1978 | 39.8k | if (39.8k !HasTargetFlags39.8k ) |
1979 | 39.8k | return false; |
1980 | 44 | if (44 Dest.isReg()44 ) |
1981 | 1 | return error(Loc, "register operands can't have target flags"); |
1982 | 43 | Dest.setTargetFlags(TF); |
1983 | 43 | return false; |
1984 | 43 | } |
1985 | | |
1986 | 1.11k | bool MIParser::parseOffset(int64_t &Offset) { |
1987 | 1.11k | if (Token.isNot(MIToken::plus) && 1.11k Token.isNot(MIToken::minus)1.09k ) |
1988 | 1.09k | return false; |
1989 | 29 | StringRef Sign = Token.range(); |
1990 | 29 | bool IsNegative = Token.is(MIToken::minus); |
1991 | 29 | lex(); |
1992 | 29 | if (Token.isNot(MIToken::IntegerLiteral)) |
1993 | 1 | return error("expected an integer literal after '" + Sign + "'"); |
1994 | 28 | if (28 Token.integerValue().getMinSignedBits() > 6428 ) |
1995 | 1 | return error("expected 64-bit integer (too large)"); |
1996 | 27 | Offset = Token.integerValue().getExtValue(); |
1997 | 27 | if (IsNegative) |
1998 | 4 | Offset = -Offset; |
1999 | 1.11k | lex(); |
2000 | 1.11k | return false; |
2001 | 1.11k | } |
2002 | | |
2003 | 83 | bool MIParser::parseAlignment(unsigned &Alignment) { |
2004 | 83 | assert(Token.is(MIToken::kw_align)); |
2005 | 83 | lex(); |
2006 | 83 | if (Token.isNot(MIToken::IntegerLiteral) || 83 Token.integerValue().isSigned()82 ) |
2007 | 2 | return error("expected an integer literal after 'align'"); |
2008 | 81 | if (81 getUnsigned(Alignment)81 ) |
2009 | 0 | return true; |
2010 | 81 | lex(); |
2011 | 81 | return false; |
2012 | 81 | } |
2013 | | |
2014 | 368 | bool MIParser::parseOperandsOffset(MachineOperand &Op) { |
2015 | 368 | int64_t Offset = 0; |
2016 | 368 | if (parseOffset(Offset)) |
2017 | 2 | return true; |
2018 | 366 | Op.setOffset(Offset); |
2019 | 366 | return false; |
2020 | 366 | } |
2021 | | |
2022 | 650 | bool MIParser::parseIRValue(const Value *&V) { |
2023 | 650 | switch (Token.kind()) { |
2024 | 404 | case MIToken::NamedIRValue: { |
2025 | 404 | V = MF.getFunction()->getValueSymbolTable()->lookup(Token.stringValue()); |
2026 | 404 | break; |
2027 | 650 | } |
2028 | 22 | case MIToken::IRValue: { |
2029 | 22 | unsigned SlotNumber = 0; |
2030 | 22 | if (getUnsigned(SlotNumber)) |
2031 | 0 | return true; |
2032 | 22 | V = getIRValue(SlotNumber); |
2033 | 22 | break; |
2034 | 22 | } |
2035 | 91 | case MIToken::NamedGlobalValue: |
2036 | 91 | case MIToken::GlobalValue: { |
2037 | 91 | GlobalValue *GV = nullptr; |
2038 | 91 | if (parseGlobalValue(GV)) |
2039 | 0 | return true; |
2040 | 91 | V = GV; |
2041 | 91 | break; |
2042 | 91 | } |
2043 | 133 | case MIToken::QuotedIRValue: { |
2044 | 133 | const Constant *C = nullptr; |
2045 | 133 | if (parseIRConstant(Token.location(), Token.stringValue(), C)) |
2046 | 0 | return true; |
2047 | 133 | V = C; |
2048 | 133 | break; |
2049 | 133 | } |
2050 | 0 | default: |
2051 | 0 | llvm_unreachable("The current token should be an IR block reference"); |
2052 | 650 | } |
2053 | 650 | if (650 !V650 ) |
2054 | 1 | return error(Twine("use of undefined IR value '") + Token.range() + "'"); |
2055 | 649 | return false; |
2056 | 649 | } |
2057 | | |
2058 | 990 | bool MIParser::getUint64(uint64_t &Result) { |
2059 | 990 | if (Token.hasIntegerValue()990 ) { |
2060 | 990 | if (Token.integerValue().getActiveBits() > 64) |
2061 | 1 | return error("expected 64-bit integer (too large)"); |
2062 | 989 | Result = Token.integerValue().getZExtValue(); |
2063 | 989 | return false; |
2064 | 989 | } |
2065 | 0 | if (0 Token.is(MIToken::HexLiteral)0 ) { |
2066 | 0 | APInt A; |
2067 | 0 | if (getHexUint(A)) |
2068 | 0 | return true; |
2069 | 0 | if (0 A.getBitWidth() > 640 ) |
2070 | 0 | return error("expected 64-bit integer (too large)"); |
2071 | 0 | Result = A.getZExtValue(); |
2072 | 0 | return false; |
2073 | 0 | } |
2074 | 0 | return true; |
2075 | 0 | } |
2076 | | |
2077 | 400 | bool MIParser::getHexUint(APInt &Result) { |
2078 | 400 | assert(Token.is(MIToken::HexLiteral)); |
2079 | 400 | StringRef S = Token.range(); |
2080 | 400 | assert(S[0] == '0' && tolower(S[1]) == 'x'); |
2081 | 400 | // This could be a floating point literal with a special prefix. |
2082 | 400 | if (!isxdigit(S[2])) |
2083 | 0 | return true; |
2084 | 400 | StringRef V = S.substr(2); |
2085 | 400 | APInt A(V.size()*4, V, 16); |
2086 | 400 | |
2087 | 400 | // If A is 0, then A.getActiveBits() is 0. This isn't a valid bitwidth. Make |
2088 | 400 | // sure it isn't the case before constructing result. |
2089 | 400 | unsigned NumBits = (A == 0) ? 320 : A.getActiveBits()400 ; |
2090 | 400 | Result = APInt(NumBits, ArrayRef<uint64_t>(A.getRawData(), A.getNumWords())); |
2091 | 400 | return false; |
2092 | 400 | } |
2093 | | |
2094 | 313 | bool MIParser::parseMemoryOperandFlag(MachineMemOperand::Flags &Flags) { |
2095 | 313 | const auto OldFlags = Flags; |
2096 | 313 | switch (Token.kind()) { |
2097 | 86 | case MIToken::kw_volatile: |
2098 | 86 | Flags |= MachineMemOperand::MOVolatile; |
2099 | 86 | break; |
2100 | 56 | case MIToken::kw_non_temporal: |
2101 | 56 | Flags |= MachineMemOperand::MONonTemporal; |
2102 | 56 | break; |
2103 | 85 | case MIToken::kw_dereferenceable: |
2104 | 85 | Flags |= MachineMemOperand::MODereferenceable; |
2105 | 85 | break; |
2106 | 63 | case MIToken::kw_invariant: |
2107 | 63 | Flags |= MachineMemOperand::MOInvariant; |
2108 | 63 | break; |
2109 | 23 | case MIToken::StringConstant: { |
2110 | 23 | MachineMemOperand::Flags TF; |
2111 | 23 | if (getMMOTargetFlag(Token.stringValue(), TF)) |
2112 | 1 | return error("use of undefined target MMO flag '" + Token.stringValue() + |
2113 | 1 | "'"); |
2114 | 22 | Flags |= TF; |
2115 | 22 | break; |
2116 | 22 | } |
2117 | 0 | default: |
2118 | 0 | llvm_unreachable("The current token should be a memory operand flag"); |
2119 | 312 | } |
2120 | 312 | if (312 OldFlags == Flags312 ) |
2121 | 312 | // We know that the same flag is specified more than once when the flags |
2122 | 312 | // weren't modified. |
2123 | 1 | return error("duplicate '" + Token.stringValue() + "' memory operand flag"); |
2124 | 311 | lex(); |
2125 | 311 | return false; |
2126 | 311 | } |
2127 | | |
2128 | 104 | bool MIParser::parseMemoryPseudoSourceValue(const PseudoSourceValue *&PSV) { |
2129 | 104 | switch (Token.kind()) { |
2130 | 1 | case MIToken::kw_stack: |
2131 | 1 | PSV = MF.getPSVManager().getStack(); |
2132 | 1 | break; |
2133 | 5 | case MIToken::kw_got: |
2134 | 5 | PSV = MF.getPSVManager().getGOT(); |
2135 | 5 | break; |
2136 | 4 | case MIToken::kw_jump_table: |
2137 | 4 | PSV = MF.getPSVManager().getJumpTable(); |
2138 | 4 | break; |
2139 | 5 | case MIToken::kw_constant_pool: |
2140 | 5 | PSV = MF.getPSVManager().getConstantPool(); |
2141 | 5 | break; |
2142 | 31 | case MIToken::FixedStackObject: { |
2143 | 31 | int FI; |
2144 | 31 | if (parseFixedStackFrameIndex(FI)) |
2145 | 0 | return true; |
2146 | 31 | PSV = MF.getPSVManager().getFixedStack(FI); |
2147 | 31 | // The token was already consumed, so use return here instead of break. |
2148 | 31 | return false; |
2149 | 31 | } |
2150 | 52 | case MIToken::StackObject: { |
2151 | 52 | int FI; |
2152 | 52 | if (parseStackFrameIndex(FI)) |
2153 | 0 | return true; |
2154 | 52 | PSV = MF.getPSVManager().getFixedStack(FI); |
2155 | 52 | // The token was already consumed, so use return here instead of break. |
2156 | 52 | return false; |
2157 | 52 | } |
2158 | 6 | case MIToken::kw_call_entry: |
2159 | 6 | lex(); |
2160 | 6 | switch (Token.kind()) { |
2161 | 4 | case MIToken::GlobalValue: |
2162 | 4 | case MIToken::NamedGlobalValue: { |
2163 | 4 | GlobalValue *GV = nullptr; |
2164 | 4 | if (parseGlobalValue(GV)) |
2165 | 0 | return true; |
2166 | 4 | PSV = MF.getPSVManager().getGlobalValueCallEntry(GV); |
2167 | 4 | break; |
2168 | 4 | } |
2169 | 1 | case MIToken::ExternalSymbol: |
2170 | 1 | PSV = MF.getPSVManager().getExternalSymbolCallEntry( |
2171 | 1 | MF.createExternalSymbolName(Token.stringValue())); |
2172 | 1 | break; |
2173 | 1 | default: |
2174 | 1 | return error( |
2175 | 1 | "expected a global value or an external symbol after 'call-entry'"); |
2176 | 5 | } |
2177 | 5 | break; |
2178 | 0 | default: |
2179 | 0 | llvm_unreachable("The current token should be pseudo source value"); |
2180 | 20 | } |
2181 | 20 | lex(); |
2182 | 20 | return false; |
2183 | 20 | } |
2184 | | |
2185 | 755 | bool MIParser::parseMachinePointerInfo(MachinePointerInfo &Dest) { |
2186 | 755 | if (Token.is(MIToken::kw_constant_pool) || 755 Token.is(MIToken::kw_stack)750 || |
2187 | 755 | Token.is(MIToken::kw_got)749 || Token.is(MIToken::kw_jump_table)744 || |
2188 | 755 | Token.is(MIToken::FixedStackObject)740 || Token.is(MIToken::StackObject)709 || |
2189 | 755 | Token.is(MIToken::kw_call_entry)657 ) { |
2190 | 104 | const PseudoSourceValue *PSV = nullptr; |
2191 | 104 | if (parseMemoryPseudoSourceValue(PSV)) |
2192 | 1 | return true; |
2193 | 103 | int64_t Offset = 0; |
2194 | 103 | if (parseOffset(Offset)) |
2195 | 0 | return true; |
2196 | 103 | Dest = MachinePointerInfo(PSV, Offset); |
2197 | 103 | return false; |
2198 | 103 | } |
2199 | 651 | if (651 Token.isNot(MIToken::NamedIRValue) && 651 Token.isNot(MIToken::IRValue)247 && |
2200 | 225 | Token.isNot(MIToken::GlobalValue) && |
2201 | 224 | Token.isNot(MIToken::NamedGlobalValue) && |
2202 | 134 | Token.isNot(MIToken::QuotedIRValue)) |
2203 | 1 | return error("expected an IR value reference"); |
2204 | 650 | const Value *V = nullptr; |
2205 | 650 | if (parseIRValue(V)) |
2206 | 1 | return true; |
2207 | 649 | if (649 !V->getType()->isPointerTy()649 ) |
2208 | 1 | return error("expected a pointer IR value"); |
2209 | 648 | lex(); |
2210 | 648 | int64_t Offset = 0; |
2211 | 648 | if (parseOffset(Offset)) |
2212 | 0 | return true; |
2213 | 648 | Dest = MachinePointerInfo(V, Offset); |
2214 | 648 | return false; |
2215 | 648 | } |
2216 | | |
2217 | | bool MIParser::parseOptionalScope(LLVMContext &Context, |
2218 | 991 | SyncScope::ID &SSID) { |
2219 | 991 | SSID = SyncScope::System; |
2220 | 991 | if (Token.is(MIToken::Identifier) && 991 Token.stringValue() == "syncscope"14 ) { |
2221 | 6 | lex(); |
2222 | 6 | if (expectAndConsume(MIToken::lparen)) |
2223 | 0 | return error("expected '(' in syncscope"); |
2224 | 6 | |
2225 | 6 | std::string SSN; |
2226 | 6 | if (parseStringConstant(SSN)) |
2227 | 0 | return true; |
2228 | 6 | |
2229 | 6 | SSID = Context.getOrInsertSyncScopeID(SSN); |
2230 | 6 | if (expectAndConsume(MIToken::rparen)) |
2231 | 0 | return error("expected ')' in syncscope"); |
2232 | 991 | } |
2233 | 991 | |
2234 | 991 | return false; |
2235 | 991 | } |
2236 | | |
2237 | 1.98k | bool MIParser::parseOptionalAtomicOrdering(AtomicOrdering &Order) { |
2238 | 1.98k | Order = AtomicOrdering::NotAtomic; |
2239 | 1.98k | if (Token.isNot(MIToken::Identifier)) |
2240 | 1.96k | return false; |
2241 | 14 | |
2242 | 14 | Order = StringSwitch<AtomicOrdering>(Token.stringValue()) |
2243 | 14 | .Case("unordered", AtomicOrdering::Unordered) |
2244 | 14 | .Case("monotonic", AtomicOrdering::Monotonic) |
2245 | 14 | .Case("acquire", AtomicOrdering::Acquire) |
2246 | 14 | .Case("release", AtomicOrdering::Release) |
2247 | 14 | .Case("acq_rel", AtomicOrdering::AcquireRelease) |
2248 | 14 | .Case("seq_cst", AtomicOrdering::SequentiallyConsistent) |
2249 | 14 | .Default(AtomicOrdering::NotAtomic); |
2250 | 14 | |
2251 | 14 | if (Order != AtomicOrdering::NotAtomic14 ) { |
2252 | 13 | lex(); |
2253 | 13 | return false; |
2254 | 13 | } |
2255 | 1 | |
2256 | 1 | return error("expected an atomic scope, ordering or a size integer literal"); |
2257 | 1 | } |
2258 | | |
2259 | 994 | bool MIParser::parseMachineMemoryOperand(MachineMemOperand *&Dest) { |
2260 | 994 | if (expectAndConsume(MIToken::lparen)) |
2261 | 0 | return true; |
2262 | 994 | MachineMemOperand::Flags Flags = MachineMemOperand::MONone; |
2263 | 1.30k | while (Token.isMemoryOperandFlag()1.30k ) { |
2264 | 313 | if (parseMemoryOperandFlag(Flags)) |
2265 | 2 | return true; |
2266 | 313 | } |
2267 | 992 | if (992 Token.isNot(MIToken::Identifier) || |
2268 | 991 | (Token.stringValue() != "load" && 991 Token.stringValue() != "store"380 )) |
2269 | 1 | return error("expected 'load' or 'store' memory operation"); |
2270 | 991 | if (991 Token.stringValue() == "load"991 ) |
2271 | 611 | Flags |= MachineMemOperand::MOLoad; |
2272 | 991 | else |
2273 | 380 | Flags |= MachineMemOperand::MOStore; |
2274 | 991 | lex(); |
2275 | 991 | |
2276 | 991 | // Optional synchronization scope. |
2277 | 991 | SyncScope::ID SSID; |
2278 | 991 | if (parseOptionalScope(MF.getFunction()->getContext(), SSID)) |
2279 | 0 | return true; |
2280 | 991 | |
2281 | 991 | // Up to two atomic orderings (cmpxchg provides guarantees on failure). |
2282 | 991 | AtomicOrdering Order, FailureOrder; |
2283 | 991 | if (parseOptionalAtomicOrdering(Order)) |
2284 | 1 | return true; |
2285 | 990 | |
2286 | 990 | if (990 parseOptionalAtomicOrdering(FailureOrder)990 ) |
2287 | 0 | return true; |
2288 | 990 | |
2289 | 990 | if (990 Token.isNot(MIToken::IntegerLiteral)990 ) |
2290 | 0 | return error("expected the size integer literal after memory operation"); |
2291 | 990 | uint64_t Size; |
2292 | 990 | if (getUint64(Size)) |
2293 | 1 | return true; |
2294 | 989 | lex(); |
2295 | 989 | |
2296 | 989 | MachinePointerInfo Ptr = MachinePointerInfo(); |
2297 | 989 | if (Token.is(MIToken::Identifier)989 ) { |
2298 | 755 | const char *Word = Flags & MachineMemOperand::MOLoad ? "from"484 : "into"271 ; |
2299 | 755 | if (Token.stringValue() != Word) |
2300 | 0 | return error(Twine("expected '") + Word + "'"); |
2301 | 755 | lex(); |
2302 | 755 | |
2303 | 755 | if (parseMachinePointerInfo(Ptr)) |
2304 | 4 | return true; |
2305 | 985 | } |
2306 | 985 | unsigned BaseAlignment = Size; |
2307 | 985 | AAMDNodes AAInfo; |
2308 | 985 | MDNode *Range = nullptr; |
2309 | 1.09k | while (consumeIfPresent(MIToken::comma)1.09k ) { |
2310 | 111 | switch (Token.kind()) { |
2311 | 79 | case MIToken::kw_align: |
2312 | 79 | if (parseAlignment(BaseAlignment)) |
2313 | 2 | return true; |
2314 | 77 | break; |
2315 | 28 | case MIToken::md_tbaa: |
2316 | 28 | lex(); |
2317 | 28 | if (parseMDNode(AAInfo.TBAA)) |
2318 | 0 | return true; |
2319 | 28 | break; |
2320 | 1 | case MIToken::md_alias_scope: |
2321 | 1 | lex(); |
2322 | 1 | if (parseMDNode(AAInfo.Scope)) |
2323 | 0 | return true; |
2324 | 1 | break; |
2325 | 1 | case MIToken::md_noalias: |
2326 | 1 | lex(); |
2327 | 1 | if (parseMDNode(AAInfo.NoAlias)) |
2328 | 0 | return true; |
2329 | 1 | break; |
2330 | 1 | case MIToken::md_range: |
2331 | 1 | lex(); |
2332 | 1 | if (parseMDNode(Range)) |
2333 | 0 | return true; |
2334 | 1 | break; |
2335 | 1 | // TODO: Report an error on duplicate metadata nodes. |
2336 | 1 | default: |
2337 | 1 | return error("expected 'align' or '!tbaa' or '!alias.scope' or " |
2338 | 1 | "'!noalias' or '!range'"); |
2339 | 111 | } |
2340 | 111 | } |
2341 | 982 | if (982 expectAndConsume(MIToken::rparen)982 ) |
2342 | 0 | return true; |
2343 | 982 | Dest = MF.getMachineMemOperand(Ptr, Flags, Size, BaseAlignment, AAInfo, Range, |
2344 | 982 | SSID, Order, FailureOrder); |
2345 | 982 | return false; |
2346 | 982 | } |
2347 | | |
2348 | 17.1k | void MIParser::initNames2InstrOpCodes() { |
2349 | 17.1k | if (!Names2InstrOpCodes.empty()) |
2350 | 14.8k | return; |
2351 | 2.26k | const auto *TII = MF.getSubtarget().getInstrInfo(); |
2352 | 2.26k | assert(TII && "Expected target instruction info"); |
2353 | 20.0M | for (unsigned I = 0, E = TII->getNumOpcodes(); I < E20.0M ; ++I20.0M ) |
2354 | 20.0M | Names2InstrOpCodes.insert(std::make_pair(StringRef(TII->getName(I)), I)); |
2355 | 17.1k | } |
2356 | | |
2357 | 17.1k | bool MIParser::parseInstrName(StringRef InstrName, unsigned &OpCode) { |
2358 | 17.1k | initNames2InstrOpCodes(); |
2359 | 17.1k | auto InstrInfo = Names2InstrOpCodes.find(InstrName); |
2360 | 17.1k | if (InstrInfo == Names2InstrOpCodes.end()) |
2361 | 1 | return true; |
2362 | 17.1k | OpCode = InstrInfo->getValue(); |
2363 | 17.1k | return false; |
2364 | 17.1k | } |
2365 | | |
2366 | 27.2k | void MIParser::initNames2Regs() { |
2367 | 27.2k | if (!Names2Regs.empty()) |
2368 | 23.7k | return; |
2369 | 3.48k | // The '%noreg' register is the register 0. |
2370 | 3.48k | Names2Regs.insert(std::make_pair("noreg", 0)); |
2371 | 3.48k | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
2372 | 3.48k | assert(TRI && "Expected target register info"); |
2373 | 2.25M | for (unsigned I = 0, E = TRI->getNumRegs(); I < E2.25M ; ++I2.24M ) { |
2374 | 2.24M | bool WasInserted = |
2375 | 2.24M | Names2Regs.insert(std::make_pair(StringRef(TRI->getName(I)).lower(), I)) |
2376 | 2.24M | .second; |
2377 | 2.24M | (void)WasInserted; |
2378 | 2.24M | assert(WasInserted && "Expected registers to be unique case-insensitively"); |
2379 | 2.24M | } |
2380 | 27.2k | } |
2381 | | |
2382 | 27.2k | bool MIParser::getRegisterByName(StringRef RegName, unsigned &Reg) { |
2383 | 27.2k | initNames2Regs(); |
2384 | 27.2k | auto RegInfo = Names2Regs.find(RegName); |
2385 | 27.2k | if (RegInfo == Names2Regs.end()) |
2386 | 2 | return true; |
2387 | 27.2k | Reg = RegInfo->getValue(); |
2388 | 27.2k | return false; |
2389 | 27.2k | } |
2390 | | |
2391 | 115 | void MIParser::initNames2RegMasks() { |
2392 | 115 | if (!Names2RegMasks.empty()) |
2393 | 52 | return; |
2394 | 63 | const auto *TRI = MF.getSubtarget().getRegisterInfo(); |
2395 | 63 | assert(TRI && "Expected target register info"); |
2396 | 63 | ArrayRef<const uint32_t *> RegMasks = TRI->getRegMasks(); |
2397 | 63 | ArrayRef<const char *> RegMaskNames = TRI->getRegMaskNames(); |
2398 | 63 | assert(RegMasks.size() == RegMaskNames.size()); |
2399 | 1.67k | for (size_t I = 0, E = RegMasks.size(); I < E1.67k ; ++I1.61k ) |
2400 | 1.61k | Names2RegMasks.insert( |
2401 | 1.61k | std::make_pair(StringRef(RegMaskNames[I]).lower(), RegMasks[I])); |
2402 | 115 | } |
2403 | | |
2404 | 115 | const uint32_t *MIParser::getRegMask(StringRef Identifier) { |
2405 | 115 | initNames2RegMasks(); |
2406 | 115 | auto RegMaskInfo = Names2RegMasks.find(Identifier); |
2407 | 115 | if (RegMaskInfo == Names2RegMasks.end()) |
2408 | 1 | return nullptr; |
2409 | 114 | return RegMaskInfo->getValue(); |
2410 | 114 | } |
2411 | | |
2412 | 451 | void MIParser::initNames2SubRegIndices() { |
2413 | 451 | if (!Names2SubRegIndices.empty()) |
2414 | 368 | return; |
2415 | 83 | const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo(); |
2416 | 4.57k | for (unsigned I = 1, E = TRI->getNumSubRegIndices(); I < E4.57k ; ++I4.49k ) |
2417 | 4.49k | Names2SubRegIndices.insert( |
2418 | 4.49k | std::make_pair(StringRef(TRI->getSubRegIndexName(I)).lower(), I)); |
2419 | 451 | } |
2420 | | |
2421 | 451 | unsigned MIParser::getSubRegIndex(StringRef Name) { |
2422 | 451 | initNames2SubRegIndices(); |
2423 | 451 | auto SubRegInfo = Names2SubRegIndices.find(Name); |
2424 | 451 | if (SubRegInfo == Names2SubRegIndices.end()) |
2425 | 2 | return 0; |
2426 | 449 | return SubRegInfo->getValue(); |
2427 | 449 | } |
2428 | | |
2429 | | static void initSlots2BasicBlocks( |
2430 | | const Function &F, |
2431 | 728 | DenseMap<unsigned, const BasicBlock *> &Slots2BasicBlocks) { |
2432 | 728 | ModuleSlotTracker MST(F.getParent(), /*ShouldInitializeAllMetadata=*/false); |
2433 | 728 | MST.incorporateFunction(F); |
2434 | 785 | for (auto &BB : F) { |
2435 | 785 | if (BB.hasName()) |
2436 | 54 | continue; |
2437 | 731 | int Slot = MST.getLocalSlot(&BB); |
2438 | 731 | if (Slot == -1) |
2439 | 0 | continue; |
2440 | 731 | Slots2BasicBlocks.insert(std::make_pair(unsigned(Slot), &BB)); |
2441 | 731 | } |
2442 | 728 | } |
2443 | | |
2444 | | static const BasicBlock *getIRBlockFromSlot( |
2445 | | unsigned Slot, |
2446 | 732 | const DenseMap<unsigned, const BasicBlock *> &Slots2BasicBlocks) { |
2447 | 732 | auto BlockInfo = Slots2BasicBlocks.find(Slot); |
2448 | 732 | if (BlockInfo == Slots2BasicBlocks.end()) |
2449 | 2 | return nullptr; |
2450 | 730 | return BlockInfo->second; |
2451 | 730 | } |
2452 | | |
2453 | 731 | const BasicBlock *MIParser::getIRBlock(unsigned Slot) { |
2454 | 731 | if (Slots2BasicBlocks.empty()) |
2455 | 727 | initSlots2BasicBlocks(*MF.getFunction(), Slots2BasicBlocks); |
2456 | 731 | return getIRBlockFromSlot(Slot, Slots2BasicBlocks); |
2457 | 731 | } |
2458 | | |
2459 | 732 | const BasicBlock *MIParser::getIRBlock(unsigned Slot, const Function &F) { |
2460 | 732 | if (&F == MF.getFunction()) |
2461 | 731 | return getIRBlock(Slot); |
2462 | 1 | DenseMap<unsigned, const BasicBlock *> CustomSlots2BasicBlocks; |
2463 | 1 | initSlots2BasicBlocks(F, CustomSlots2BasicBlocks); |
2464 | 1 | return getIRBlockFromSlot(Slot, CustomSlots2BasicBlocks); |
2465 | 1 | } |
2466 | | |
2467 | | static void mapValueToSlot(const Value *V, ModuleSlotTracker &MST, |
2468 | 133 | DenseMap<unsigned, const Value *> &Slots2Values) { |
2469 | 133 | int Slot = MST.getLocalSlot(V); |
2470 | 133 | if (Slot == -1) |
2471 | 86 | return; |
2472 | 47 | Slots2Values.insert(std::make_pair(unsigned(Slot), V)); |
2473 | 47 | } |
2474 | | |
2475 | | /// Creates the mapping from slot numbers to function's unnamed IR values. |
2476 | | static void initSlots2Values(const Function &F, |
2477 | 8 | DenseMap<unsigned, const Value *> &Slots2Values) { |
2478 | 8 | ModuleSlotTracker MST(F.getParent(), /*ShouldInitializeAllMetadata=*/false); |
2479 | 8 | MST.incorporateFunction(F); |
2480 | 8 | for (const auto &Arg : F.args()) |
2481 | 9 | mapValueToSlot(&Arg, MST, Slots2Values); |
2482 | 14 | for (const auto &BB : F) { |
2483 | 14 | mapValueToSlot(&BB, MST, Slots2Values); |
2484 | 14 | for (const auto &I : BB) |
2485 | 110 | mapValueToSlot(&I, MST, Slots2Values); |
2486 | 14 | } |
2487 | 8 | } |
2488 | | |
2489 | 22 | const Value *MIParser::getIRValue(unsigned Slot) { |
2490 | 22 | if (Slots2Values.empty()) |
2491 | 8 | initSlots2Values(*MF.getFunction(), Slots2Values); |
2492 | 22 | auto ValueInfo = Slots2Values.find(Slot); |
2493 | 22 | if (ValueInfo == Slots2Values.end()) |
2494 | 0 | return nullptr; |
2495 | 22 | return ValueInfo->second; |
2496 | 22 | } |
2497 | | |
2498 | 3 | void MIParser::initNames2TargetIndices() { |
2499 | 3 | if (!Names2TargetIndices.empty()) |
2500 | 0 | return; |
2501 | 3 | const auto *TII = MF.getSubtarget().getInstrInfo(); |
2502 | 3 | assert(TII && "Expected target instruction info"); |
2503 | 3 | auto Indices = TII->getSerializableTargetIndices(); |
2504 | 3 | for (const auto &I : Indices) |
2505 | 15 | Names2TargetIndices.insert(std::make_pair(StringRef(I.second), I.first)); |
2506 | 3 | } |
2507 | | |
2508 | 3 | bool MIParser::getTargetIndex(StringRef Name, int &Index) { |
2509 | 3 | initNames2TargetIndices(); |
2510 | 3 | auto IndexInfo = Names2TargetIndices.find(Name); |
2511 | 3 | if (IndexInfo == Names2TargetIndices.end()) |
2512 | 1 | return true; |
2513 | 2 | Index = IndexInfo->second; |
2514 | 2 | return false; |
2515 | 2 | } |
2516 | | |
2517 | 47 | void MIParser::initNames2DirectTargetFlags() { |
2518 | 47 | if (!Names2DirectTargetFlags.empty()) |
2519 | 31 | return; |
2520 | 16 | const auto *TII = MF.getSubtarget().getInstrInfo(); |
2521 | 16 | assert(TII && "Expected target instruction info"); |
2522 | 16 | auto Flags = TII->getSerializableDirectMachineOperandTargetFlags(); |
2523 | 16 | for (const auto &I : Flags) |
2524 | 170 | Names2DirectTargetFlags.insert( |
2525 | 170 | std::make_pair(StringRef(I.second), I.first)); |
2526 | 47 | } |
2527 | | |
2528 | 47 | bool MIParser::getDirectTargetFlag(StringRef Name, unsigned &Flag) { |
2529 | 47 | initNames2DirectTargetFlags(); |
2530 | 47 | auto FlagInfo = Names2DirectTargetFlags.find(Name); |
2531 | 47 | if (FlagInfo == Names2DirectTargetFlags.end()) |
2532 | 4 | return true; |
2533 | 43 | Flag = FlagInfo->second; |
2534 | 43 | return false; |
2535 | 43 | } |
2536 | | |
2537 | 15 | void MIParser::initNames2BitmaskTargetFlags() { |
2538 | 15 | if (!Names2BitmaskTargetFlags.empty()) |
2539 | 8 | return; |
2540 | 7 | const auto *TII = MF.getSubtarget().getInstrInfo(); |
2541 | 7 | assert(TII && "Expected target instruction info"); |
2542 | 7 | auto Flags = TII->getSerializableBitmaskMachineOperandTargetFlags(); |
2543 | 7 | for (const auto &I : Flags) |
2544 | 16 | Names2BitmaskTargetFlags.insert( |
2545 | 16 | std::make_pair(StringRef(I.second), I.first)); |
2546 | 15 | } |
2547 | | |
2548 | 15 | bool MIParser::getBitmaskTargetFlag(StringRef Name, unsigned &Flag) { |
2549 | 15 | initNames2BitmaskTargetFlags(); |
2550 | 15 | auto FlagInfo = Names2BitmaskTargetFlags.find(Name); |
2551 | 15 | if (FlagInfo == Names2BitmaskTargetFlags.end()) |
2552 | 2 | return true; |
2553 | 13 | Flag = FlagInfo->second; |
2554 | 13 | return false; |
2555 | 13 | } |
2556 | | |
2557 | 23 | void MIParser::initNames2MMOTargetFlags() { |
2558 | 23 | if (!Names2MMOTargetFlags.empty()) |
2559 | 5 | return; |
2560 | 18 | const auto *TII = MF.getSubtarget().getInstrInfo(); |
2561 | 18 | assert(TII && "Expected target instruction info"); |
2562 | 18 | auto Flags = TII->getSerializableMachineMemOperandTargetFlags(); |
2563 | 18 | for (const auto &I : Flags) |
2564 | 36 | Names2MMOTargetFlags.insert( |
2565 | 36 | std::make_pair(StringRef(I.second), I.first)); |
2566 | 23 | } |
2567 | | |
2568 | | bool MIParser::getMMOTargetFlag(StringRef Name, |
2569 | 23 | MachineMemOperand::Flags &Flag) { |
2570 | 23 | initNames2MMOTargetFlags(); |
2571 | 23 | auto FlagInfo = Names2MMOTargetFlags.find(Name); |
2572 | 23 | if (FlagInfo == Names2MMOTargetFlags.end()) |
2573 | 1 | return true; |
2574 | 22 | Flag = FlagInfo->second; |
2575 | 22 | return false; |
2576 | 22 | } |
2577 | | |
2578 | 6 | bool MIParser::parseStringConstant(std::string &Result) { |
2579 | 6 | if (Token.isNot(MIToken::StringConstant)) |
2580 | 0 | return error("expected string constant"); |
2581 | 6 | Result = Token.stringValue(); |
2582 | 6 | lex(); |
2583 | 6 | return false; |
2584 | 6 | } |
2585 | | |
2586 | | bool llvm::parseMachineBasicBlockDefinitions(PerFunctionMIParsingState &PFS, |
2587 | | StringRef Src, |
2588 | 2.32k | SMDiagnostic &Error) { |
2589 | 2.32k | return MIParser(PFS, Error, Src).parseBasicBlockDefinitions(PFS.MBBSlots); |
2590 | 2.32k | } |
2591 | | |
2592 | | bool llvm::parseMachineInstructions(PerFunctionMIParsingState &PFS, |
2593 | 2.30k | StringRef Src, SMDiagnostic &Error) { |
2594 | 2.30k | return MIParser(PFS, Error, Src).parseBasicBlocks(); |
2595 | 2.30k | } |
2596 | | |
2597 | | bool llvm::parseMBBReference(PerFunctionMIParsingState &PFS, |
2598 | | MachineBasicBlock *&MBB, StringRef Src, |
2599 | 87 | SMDiagnostic &Error) { |
2600 | 87 | return MIParser(PFS, Error, Src).parseStandaloneMBB(MBB); |
2601 | 87 | } |
2602 | | |
2603 | | bool llvm::parseRegisterReference(PerFunctionMIParsingState &PFS, |
2604 | | unsigned &Reg, StringRef Src, |
2605 | 9 | SMDiagnostic &Error) { |
2606 | 9 | return MIParser(PFS, Error, Src).parseStandaloneRegister(Reg); |
2607 | 9 | } |
2608 | | |
2609 | | bool llvm::parseNamedRegisterReference(PerFunctionMIParsingState &PFS, |
2610 | | unsigned &Reg, StringRef Src, |
2611 | 1.32k | SMDiagnostic &Error) { |
2612 | 1.32k | return MIParser(PFS, Error, Src).parseStandaloneNamedRegister(Reg); |
2613 | 1.32k | } |
2614 | | |
2615 | | bool llvm::parseVirtualRegisterReference(PerFunctionMIParsingState &PFS, |
2616 | | VRegInfo *&Info, StringRef Src, |
2617 | 161 | SMDiagnostic &Error) { |
2618 | 161 | return MIParser(PFS, Error, Src).parseStandaloneVirtualRegister(Info); |
2619 | 161 | } |
2620 | | |
2621 | | bool llvm::parseStackObjectReference(PerFunctionMIParsingState &PFS, |
2622 | | int &FI, StringRef Src, |
2623 | 2 | SMDiagnostic &Error) { |
2624 | 2 | return MIParser(PFS, Error, Src).parseStandaloneStackObject(FI); |
2625 | 2 | } |
2626 | | |
2627 | | bool llvm::parseMDNode(PerFunctionMIParsingState &PFS, |
2628 | 7 | MDNode *&Node, StringRef Src, SMDiagnostic &Error) { |
2629 | 7 | return MIParser(PFS, Error, Src).parseStandaloneMDNode(Node); |
2630 | 7 | } |