/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
Line | Count | Source (jump to first uncovered line) |
1 | | //===-- SystemZSubtarget.cpp - SystemZ subtarget information --------------===// |
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 | | #include "SystemZSubtarget.h" |
11 | | #include "MCTargetDesc/SystemZMCTargetDesc.h" |
12 | | #include "llvm/IR/GlobalValue.h" |
13 | | |
14 | | using namespace llvm; |
15 | | |
16 | | #define DEBUG_TYPE "systemz-subtarget" |
17 | | |
18 | | #define GET_SUBTARGETINFO_TARGET_DESC |
19 | | #define GET_SUBTARGETINFO_CTOR |
20 | | #include "SystemZGenSubtargetInfo.inc" |
21 | | |
22 | | // Pin the vtable to this file. |
23 | 0 | void SystemZSubtarget::anchor() {} |
24 | | |
25 | | SystemZSubtarget & |
26 | 857 | SystemZSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) { |
27 | 857 | std::string CPUName = CPU; |
28 | 857 | if (CPUName.empty()) |
29 | 422 | CPUName = "generic"; |
30 | 857 | // Parse features string. |
31 | 857 | ParseSubtargetFeatures(CPUName, FS); |
32 | 857 | return *this; |
33 | 857 | } |
34 | | |
35 | | SystemZSubtarget::SystemZSubtarget(const Triple &TT, const std::string &CPU, |
36 | | const std::string &FS, |
37 | | const TargetMachine &TM) |
38 | | : SystemZGenSubtargetInfo(TT, CPU, FS), HasDistinctOps(false), |
39 | | HasLoadStoreOnCond(false), HasHighWord(false), HasFPExtension(false), |
40 | | HasPopulationCount(false), HasMessageSecurityAssist3(false), |
41 | | HasMessageSecurityAssist4(false), HasResetReferenceBitsMultiple(false), |
42 | | HasFastSerialization(false), HasInterlockedAccess1(false), |
43 | | HasMiscellaneousExtensions(false), |
44 | | HasExecutionHint(false), HasLoadAndTrap(false), |
45 | | HasTransactionalExecution(false), HasProcessorAssist(false), |
46 | | HasDFPZonedConversion(false), HasEnhancedDAT2(false), |
47 | | HasVector(false), HasLoadStoreOnCond2(false), |
48 | | HasLoadAndZeroRightmostByte(false), HasMessageSecurityAssist5(false), |
49 | | HasDFPPackedConversion(false), |
50 | | HasMiscellaneousExtensions2(false), HasGuardedStorage(false), |
51 | | HasMessageSecurityAssist7(false), HasMessageSecurityAssist8(false), |
52 | | HasVectorEnhancements1(false), HasVectorPackedDecimal(false), |
53 | | HasInsertReferenceBitsMultiple(false), |
54 | | TargetTriple(TT), InstrInfo(initializeSubtargetDependencies(CPU, FS)), |
55 | 857 | TLInfo(TM, *this), TSInfo(), FrameLowering() {} |
56 | | |
57 | | bool SystemZSubtarget::isPC32DBLSymbol(const GlobalValue *GV, |
58 | 350 | CodeModel::Model CM) const { |
59 | 350 | // PC32DBL accesses require the low bit to be clear. Note that a zero |
60 | 350 | // value selects the default alignment and is therefore OK. |
61 | 350 | if (GV->getAlignment() == 1) |
62 | 12 | return false; |
63 | 338 | |
64 | 338 | // For the small model, all locally-binding symbols are in range. |
65 | 338 | if (338 CM == CodeModel::Small338 ) |
66 | 322 | return TLInfo.getTargetMachine().shouldAssumeDSOLocal(*GV->getParent(), GV); |
67 | 16 | |
68 | 16 | // For Medium and above, assume that the symbol is not within the 4GB range. |
69 | 16 | // Taking the address of locally-defined text would be OK, but that |
70 | 16 | // case isn't easy to detect. |
71 | 16 | return false; |
72 | 16 | } |