本文整理汇总了C++中TargetMachine类的典型用法代码示例。如果您正苦于以下问题:C++ TargetMachine类的具体用法?C++ TargetMachine怎么用?C++ TargetMachine使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了TargetMachine类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1:
/// Find the target operand flags that describe how a global value should be
/// referenced for the current subtarget.
unsigned char
AArch64Subtarget::ClassifyGlobalReference(const GlobalValue *GV,
const TargetMachine &TM) const {
// MachO large model always goes via a GOT, simply to get a single 8-byte
// absolute relocation on all global addresses.
if (TM.getCodeModel() == CodeModel::Large && isTargetMachO())
return AArch64II::MO_GOT;
if (!TM.shouldAssumeDSOLocal(*GV->getParent(), GV))
return AArch64II::MO_GOT;
// The small code mode's direct accesses use ADRP, which cannot necessarily
// produce the value 0 (if the code is above 4GB).
if (TM.getCodeModel() == CodeModel::Small && GV->hasExternalWeakLinkage())
return AArch64II::MO_GOT;
return AArch64II::MO_NO_FLAG;
}
开发者ID:eliudnis,项目名称:llvm,代码行数:20,代码来源:AArch64Subtarget.cpp
示例2: getNameWithPrefix
void TargetLoweringObjectFileMachO::getNameWithPrefix(
SmallVectorImpl<char> &OutName, const GlobalValue *GV, Mangler &Mang,
const TargetMachine &TM) const {
SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GV, TM);
const MCSection *TheSection = SectionForGlobal(GV, GVKind, Mang, TM);
bool CannotUsePrivateLabel =
!canUsePrivateLabel(*TM.getMCAsmInfo(), *TheSection);
Mang.getNameWithPrefix(OutName, GV, CannotUsePrivateLabel);
}
开发者ID:UBERLLVM,项目名称:llvm,代码行数:9,代码来源:TargetLoweringObjectFileImpl.cpp
示例3: Fn
MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
unsigned FunctionNum, MachineModuleInfo &mmi,
GCModuleInfo* gmi)
: Fn(F), Target(TM), Ctx(mmi.getContext()), MMI(mmi), GMI(gmi) {
if (TM.getRegisterInfo())
RegInfo = new (Allocator) MachineRegisterInfo(*TM.getRegisterInfo());
else
RegInfo = 0;
MFInfo = 0;
FrameInfo = new (Allocator) MachineFrameInfo(*TM.getFrameLowering());
if (Fn->hasFnAttr(Attribute::StackAlignment))
FrameInfo->setMaxAlignment(Attribute::getStackAlignmentFromAttrs(
Fn->getAttributes().getFnAttributes()));
ConstantPool = new (Allocator) MachineConstantPool(TM.getTargetData());
Alignment = TM.getTargetLowering()->getFunctionAlignment(F);
FunctionNumber = FunctionNum;
JumpTableInfo = 0;
}
开发者ID:5432935,项目名称:crossbridge,代码行数:18,代码来源:MachineFunction.cpp
示例4: runLTOPasses
static void runLTOPasses(Module &M, TargetMachine &TM) {
if (const DataLayout *DL = TM.getDataLayout())
M.setDataLayout(*DL);
legacy::PassManager passes;
passes.add(createTargetTransformInfoWrapperPass(TM.getTargetIRAnalysis()));
PassManagerBuilder PMB;
PMB.LibraryInfo = new TargetLibraryInfoImpl(Triple(TM.getTargetTriple()));
PMB.Inliner = createFunctionInliningPass();
PMB.VerifyInput = true;
PMB.VerifyOutput = true;
PMB.LoopVectorize = true;
PMB.SLPVectorize = true;
PMB.OptLevel = options::OptLevel;
PMB.populateLTOPassManager(passes);
passes.run(M);
}
开发者ID:EdwardBetts,项目名称:expert-disco,代码行数:18,代码来源:gold-plugin.cpp
示例5: ARMProcFamily
AArch64Subtarget::AArch64Subtarget(const Triple &TT, const std::string &CPU,
const std::string &FS,
const TargetMachine &TM, bool LittleEndian)
: AArch64GenSubtargetInfo(TT, CPU, FS), ARMProcFamily(Others),
HasV8_1aOps(false), HasFPARMv8(false), HasNEON(false), HasCrypto(false),
HasCRC(false), HasZeroCycleRegMove(false), HasZeroCycleZeroing(false),
IsLittle(LittleEndian), CPUString(CPU), TargetTriple(TT), FrameLowering(),
InstrInfo(initializeSubtargetDependencies(FS)),
TSInfo(TM.getDataLayout()), TLInfo(TM, *this) {}
开发者ID:gh2o,项目名称:llvm,代码行数:9,代码来源:AArch64Subtarget.cpp
示例6: Fn
MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
unsigned FunctionNum, MachineModuleInfo &mmi)
: Fn(F), Target(TM), STI(TM.getSubtargetImpl(*F)), Ctx(mmi.getContext()),
MMI(mmi) {
if (STI->getRegisterInfo())
RegInfo = new (Allocator) MachineRegisterInfo(this);
else
RegInfo = nullptr;
MFInfo = nullptr;
FrameInfo = new (Allocator)
MachineFrameInfo(STI->getFrameLowering()->getStackAlignment(),
STI->getFrameLowering()->isStackRealignable(),
!F->hasFnAttribute("no-realign-stack"));
if (Fn->hasFnAttribute(Attribute::StackAlignment))
FrameInfo->ensureMaxAlignment(Fn->getFnStackAlignment());
ConstantPool = new (Allocator) MachineConstantPool(getDataLayout());
Alignment = STI->getTargetLowering()->getMinFunctionAlignment();
// FIXME: Shouldn't use pref alignment if explicit alignment is set on Fn.
// FIXME: Use Function::optForSize().
if (!Fn->hasFnAttribute(Attribute::OptimizeForSize))
Alignment = std::max(Alignment,
STI->getTargetLowering()->getPrefFunctionAlignment());
if (AlignAllFunctions)
Alignment = AlignAllFunctions;
FunctionNumber = FunctionNum;
JumpTableInfo = nullptr;
if (isFuncletEHPersonality(classifyEHPersonality(
F->hasPersonalityFn() ? F->getPersonalityFn() : nullptr))) {
WinEHInfo = new (Allocator) WinEHFuncInfo();
}
assert(TM.isCompatibleDataLayout(getDataLayout()) &&
"Can't create a MachineFunction using a Module with a "
"Target-incompatible DataLayout attached\n");
PSVManager = llvm::make_unique<PseudoSourceValueManager>();
}
开发者ID:BlueRiverInteractive,项目名称:llvm,代码行数:44,代码来源:MachineFunction.cpp
示例7: LLVM_VERSION
bool RaiseAsmPass::runOnModule(Module &M) {
bool changed = false;
std::string Err;
#if LLVM_VERSION_CODE >= LLVM_VERSION(3, 1)
std::string HostTriple = llvm::sys::getDefaultTargetTriple();
#else
std::string HostTriple = llvm::sys::getHostTriple();
#endif
const Target *NativeTarget = TargetRegistry::lookupTarget(HostTriple, Err);
TargetMachine * TM = 0;
if (NativeTarget == 0) {
klee_warning("Warning: unable to select native target: %s", Err.c_str());
TLI = 0;
} else {
#if LLVM_VERSION_CODE >= LLVM_VERSION(3, 1)
TM = NativeTarget->createTargetMachine(HostTriple, "", "",
TargetOptions());
#elif LLVM_VERSION_CODE >= LLVM_VERSION(3, 0)
TM = NativeTarget->createTargetMachine(HostTriple, "", "");
#else
TM = NativeTarget->createTargetMachine(HostTriple, "");
#endif
TLI = TM->getTargetLowering();
triple = llvm::Triple(HostTriple);
}
for (Module::iterator fi = M.begin(), fe = M.end(); fi != fe; ++fi) {
for (Function::iterator bi = fi->begin(), be = fi->end(); bi != be; ++bi) {
for (BasicBlock::iterator ii = bi->begin(), ie = bi->end(); ii != ie;) {
Instruction *i = ii;
++ii;
changed |= runOnInstruction(M, i);
}
}
}
if (TM)
delete TM;
return changed;
}
开发者ID:jirislaby,项目名称:klee,代码行数:44,代码来源:RaiseAsm.cpp
示例8: runLTOPasses
static void runLTOPasses(Module &M, TargetMachine &TM) {
PassManager passes;
PassManagerBuilder PMB;
PMB.LibraryInfo = new TargetLibraryInfo(Triple(TM.getTargetTriple()));
PMB.Inliner = createFunctionInliningPass();
PMB.VerifyInput = true;
PMB.VerifyOutput = true;
PMB.populateLTOPassManager(passes, &TM);
passes.run(M);
}
开发者ID:caio-s-o,项目名称:llvm,代码行数:10,代码来源:gold-plugin.cpp
示例9: runLTOPasses
static void runLTOPasses(Module &M, TargetMachine &TM) {
M.setDataLayout(TM.createDataLayout());
legacy::PassManager passes;
passes.add(createTargetTransformInfoWrapperPass(TM.getTargetIRAnalysis()));
PassManagerBuilder PMB;
PMB.LibraryInfo = new TargetLibraryInfoImpl(Triple(TM.getTargetTriple()));
PMB.Inliner = createFunctionInliningPass();
// Unconditionally verify input since it is not verified before this
// point and has unknown origin.
PMB.VerifyInput = true;
PMB.VerifyOutput = !options::DisableVerify;
PMB.LoopVectorize = true;
PMB.SLPVectorize = true;
PMB.OptLevel = options::OptLevel;
PMB.populateLTOPassManager(passes);
passes.run(M);
}
开发者ID:nightwishud,项目名称:accmut,代码行数:19,代码来源:gold-plugin.cpp
示例10: LLVMRustWriteOutputFile
extern "C" bool
LLVMRustWriteOutputFile(LLVMPassManagerRef PMR,
LLVMModuleRef M,
const char *triple,
const char *path,
TargetMachine::CodeGenFileType FileType,
CodeGenOpt::Level OptLevel,
bool EnableSegmentedStacks) {
LLVMRustInitializeTargets();
TargetOptions Options;
Options.NoFramePointerElim = true;
Options.EnableSegmentedStacks = EnableSegmentedStacks;
std::string Err;
const Target *TheTarget = TargetRegistry::lookupTarget(triple, Err);
std::string FeaturesStr;
std::string Trip(triple);
std::string CPUStr("generic");
TargetMachine *Target =
TheTarget->createTargetMachine(Trip, CPUStr, FeaturesStr,
Options, Reloc::PIC_,
CodeModel::Default, OptLevel);
bool NoVerify = false;
PassManager *PM = unwrap<PassManager>(PMR);
std::string ErrorInfo;
raw_fd_ostream OS(path, ErrorInfo,
raw_fd_ostream::F_Binary);
if (ErrorInfo != "") {
LLVMRustError = ErrorInfo.c_str();
return false;
}
formatted_raw_ostream FOS(OS);
bool foo = Target->addPassesToEmitFile(*PM, FOS, FileType, NoVerify);
assert(!foo);
(void)foo;
PM->run(*unwrap(M));
delete Target;
return true;
}
开发者ID:BrandonBarrett,项目名称:rust,代码行数:42,代码来源:RustWrapper.cpp
示例11: getBPFObjectFromModule
std::unique_ptr<llvm::SmallVectorImpl<char>>
getBPFObjectFromModule(llvm::Module *Module)
{
using namespace llvm;
std::string TargetTriple("bpf-pc-linux");
std::string Error;
const Target* Target = TargetRegistry::lookupTarget(TargetTriple, Error);
if (!Target) {
llvm::errs() << Error;
return std::unique_ptr<llvm::SmallVectorImpl<char>>(nullptr);
}
llvm::TargetOptions Opt;
TargetMachine *TargetMachine =
Target->createTargetMachine(TargetTriple,
"generic", "",
Opt, Reloc::Static);
Module->setDataLayout(TargetMachine->createDataLayout());
Module->setTargetTriple(TargetTriple);
std::unique_ptr<SmallVectorImpl<char>> Buffer(new SmallVector<char, 0>());
raw_svector_ostream ostream(*Buffer);
legacy::PassManager PM;
bool NotAdded;
#if CLANG_VERSION_MAJOR < 7
NotAdded = TargetMachine->addPassesToEmitFile(PM, ostream,
TargetMachine::CGFT_ObjectFile);
#else
NotAdded = TargetMachine->addPassesToEmitFile(PM, ostream, nullptr,
TargetMachine::CGFT_ObjectFile);
#endif
if (NotAdded) {
llvm::errs() << "TargetMachine can't emit a file of this type\n";
return std::unique_ptr<llvm::SmallVectorImpl<char>>(nullptr);
}
PM.run(*Module);
return Buffer;
}
开发者ID:Anjali05,项目名称:linux,代码行数:42,代码来源:clang.cpp
示例12: hasLazyResolverStub
/// hasLazyResolverStub - Return true if accesses to the specified global have
/// to go through a dyld lazy resolution stub. This means that an extra load
/// is required to get the address of the global.
bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV,
const TargetMachine &TM) const {
// We never have stubs if HasLazyResolverStubs=false or if in static mode.
if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static)
return false;
bool isDecl = GV->isDeclaration();
if (GV->hasHiddenVisibility() && !isDecl && !GV->hasCommonLinkage())
return false;
return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
GV->hasCommonLinkage() || isDecl;
}
开发者ID:AmesianX,项目名称:llvm-othergen,代码行数:14,代码来源:PPCSubtarget.cpp
示例13: Fn
MachineFunction::MachineFunction(Function *F, const TargetMachine &TM,
unsigned FunctionNum, MCContext &ctx)
: Fn(F), Target(TM), Ctx(ctx) {
if (TM.getRegisterInfo())
RegInfo = new (Allocator.Allocate<MachineRegisterInfo>())
MachineRegisterInfo(*TM.getRegisterInfo());
else
RegInfo = 0;
MFInfo = 0;
FrameInfo = new (Allocator.Allocate<MachineFrameInfo>())
MachineFrameInfo(*TM.getFrameInfo());
if (Fn->hasFnAttr(Attribute::StackAlignment))
FrameInfo->setMaxAlignment(Attribute::getStackAlignmentFromAttrs(
Fn->getAttributes().getFnAttributes()));
ConstantPool = new (Allocator.Allocate<MachineConstantPool>())
MachineConstantPool(TM.getTargetData());
Alignment = TM.getTargetLowering()->getFunctionAlignment(F);
FunctionNumber = FunctionNum;
JumpTableInfo = 0;
}
开发者ID:ericmckean,项目名称:nacl-llvm-branches.llvm-trunk,代码行数:20,代码来源:MachineFunction.cpp
示例14: if
/// create - Create an return a new JIT compiler if there is one available
/// for the current target. Otherwise, return null.
///
ExecutionEngine *JIT::create(ModuleProvider *MP, IntrinsicLowering *IL) {
if (MArch == 0) {
std::string Error;
MArch = TargetMachineRegistry::getClosestTargetForJIT(Error);
if (MArch == 0) return 0;
} else if (MArch->JITMatchQualityFn() == 0) {
std::cerr << "WARNING: This target JIT is not designed for the host you are"
<< " running. If bad things happen, please choose a different "
<< "-march switch.\n";
}
// Allocate a target...
TargetMachine *Target = MArch->CtorFn(*MP->getModule(), IL);
assert(Target && "Could not allocate target machine!");
// If the target supports JIT code generation, return a new JIT now.
if (TargetJITInfo *TJ = Target->getJITInfo())
return new JIT(MP, *Target, *TJ);
return 0;
}
开发者ID:chris-wood,项目名称:llvm-pgopre,代码行数:23,代码来源:TargetSelect.cpp
示例15: return
/// ClassifyGlobalReference - Find the target operand flags that describe
/// how a global value should be referenced for the current subtarget.
unsigned char
ARM64Subtarget::ClassifyGlobalReference(const GlobalValue *GV,
const TargetMachine &TM) const {
// Determine whether this is a reference to a definition or a declaration.
// Materializable GVs (in JIT lazy compilation mode) do not require an extra
// load from stub.
bool isDecl = GV->hasAvailableExternallyLinkage();
if (GV->isDeclaration() && !GV->isMaterializable())
isDecl = true;
// MachO large model always goes via a GOT, simply to get a single 8-byte
// absolute relocation on all global addresses.
if (TM.getCodeModel() == CodeModel::Large && isTargetMachO())
return ARM64II::MO_GOT;
// The small code mode's direct accesses use ADRP, which cannot necessarily
// produce the value 0 (if the code is above 4GB). Therefore they must use the
// GOT.
if (TM.getCodeModel() == CodeModel::Small && GV->isWeakForLinker() && isDecl)
return ARM64II::MO_GOT;
// If symbol visibility is hidden, the extra load is not needed if
// the symbol is definitely defined in the current translation unit.
// The handling of non-hidden symbols in PIC mode is rather target-dependent:
// + On MachO, if the symbol is defined in this module the GOT can be
// skipped.
// + On ELF, the R_AARCH64_COPY relocation means that even symbols actually
// defined could end up in unexpected places. Use a GOT.
if (TM.getRelocationModel() != Reloc::Static && GV->hasDefaultVisibility()) {
if (isTargetMachO())
return (isDecl || GV->isWeakForLinker()) ? ARM64II::MO_GOT
: ARM64II::MO_NO_FLAG;
else
// No need to go through the GOT for local symbols on ELF.
return GV->hasLocalLinkage() ? ARM64II::MO_NO_FLAG : ARM64II::MO_GOT;
}
return ARM64II::MO_NO_FLAG;
}
开发者ID:tylerqi,项目名称:llvm,代码行数:43,代码来源:ARM64Subtarget.cpp
示例16: AMDGPUTargetLowering
R600TargetLowering::R600TargetLowering(TargetMachine &TM) :
AMDGPUTargetLowering(TM),
TII(static_cast<const R600InstrInfo*>(TM.getInstrInfo()))
{
setOperationAction(ISD::MUL, MVT::i64, Expand);
// setSchedulingPreference(Sched::VLIW);
addRegisterClass(MVT::v4f32, &AMDIL::R600_Reg128RegClass);
addRegisterClass(MVT::f32, &AMDIL::R600_Reg32RegClass);
setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4f32, Legal);
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4f32, Legal);
}
开发者ID:curro,项目名称:mesa,代码行数:12,代码来源:R600ISelLowering.cpp
示例17: getNameWithPrefix
void TargetLoweringObjectFileMachO::getNameWithPrefix(
SmallVectorImpl<char> &OutName, const GlobalValue *GV,
const TargetMachine &TM) const {
bool CannotUsePrivateLabel = true;
if (auto *GO = GV->getBaseObject()) {
SectionKind GOKind = TargetLoweringObjectFile::getKindForGlobal(GO, TM);
const MCSection *TheSection = SectionForGlobal(GO, GOKind, TM);
CannotUsePrivateLabel =
!canUsePrivateLabel(*TM.getMCAsmInfo(), *TheSection);
}
getMangler().getNameWithPrefix(OutName, GV, CannotUsePrivateLabel);
}
开发者ID:filcab,项目名称:llvm,代码行数:12,代码来源:TargetLoweringObjectFileImpl.cpp
示例18: SystemZGenSubtargetInfo
SystemZSubtarget::SystemZSubtarget(const std::string &TT,
const std::string &CPU,
const std::string &FS,
const TargetMachine &TM)
: SystemZGenSubtargetInfo(TT, CPU, FS), HasDistinctOps(false),
HasLoadStoreOnCond(false), HasHighWord(false), HasFPExtension(false),
HasPopulationCount(false), HasFastSerialization(false),
HasInterlockedAccess1(false), HasMiscellaneousExtensions(false),
HasTransactionalExecution(false), HasProcessorAssist(false),
HasVector(false),
TargetTriple(TT), InstrInfo(initializeSubtargetDependencies(CPU, FS)),
TLInfo(TM, *this), TSInfo(*TM.getDataLayout()), FrameLowering() {}
开发者ID:8l,项目名称:SPIRV-LLVM,代码行数:12,代码来源:SystemZSubtarget.cpp
示例19: return
/// ClassifyGlobalReference - Find the target operand flags that describe
/// how a global value should be referenced for the current subtarget.
unsigned char
AArch64Subtarget::ClassifyGlobalReference(const GlobalValue *GV,
const TargetMachine &TM) const {
bool isDecl = GV->isDeclarationForLinker();
// MachO large model always goes via a GOT, simply to get a single 8-byte
// absolute relocation on all global addresses.
if (TM.getCodeModel() == CodeModel::Large && isTargetMachO())
return AArch64II::MO_GOT;
// The small code mode's direct accesses use ADRP, which cannot necessarily
// produce the value 0 (if the code is above 4GB).
if (TM.getCodeModel() == CodeModel::Small &&
GV->isWeakForLinker() && isDecl) {
// In PIC mode use the GOT, but in absolute mode use a constant pool load.
if (TM.getRelocationModel() == Reloc::Static)
return AArch64II::MO_CONSTPOOL;
else
return AArch64II::MO_GOT;
}
// If symbol visibility is hidden, the extra load is not needed if
// the symbol is definitely defined in the current translation unit.
// The handling of non-hidden symbols in PIC mode is rather target-dependent:
// + On MachO, if the symbol is defined in this module the GOT can be
// skipped.
// + On ELF, the R_AARCH64_COPY relocation means that even symbols actually
// defined could end up in unexpected places. Use a GOT.
if (TM.getRelocationModel() != Reloc::Static && GV->hasDefaultVisibility()) {
if (isTargetMachO())
return (isDecl || GV->isWeakForLinker()) ? AArch64II::MO_GOT
: AArch64II::MO_NO_FLAG;
else
// No need to go through the GOT for local symbols on ELF.
return GV->hasLocalLinkage() ? AArch64II::MO_NO_FLAG : AArch64II::MO_GOT;
}
return AArch64II::MO_NO_FLAG;
}
开发者ID:A2-Collaboration,项目名称:root,代码行数:42,代码来源:AArch64Subtarget.cpp
示例20: Fn
MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
unsigned FunctionNum, MachineModuleInfo &mmi,
GCModuleInfo* gmi)
: Fn(F), Target(TM), Ctx(mmi.getContext()), MMI(mmi), GMI(gmi) {
if (TM.getRegisterInfo())
RegInfo = new (Allocator) MachineRegisterInfo(*TM.getRegisterInfo());
else
RegInfo = 0;
MFInfo = 0;
FrameInfo = new (Allocator) MachineFrameInfo(*TM.getFrameLowering(),
TM.Options.RealignStack);
if (Fn->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
Attribute::StackAlignment))
FrameInfo->ensureMaxAlignment(Fn->getAttributes().
getStackAlignment(AttributeSet::FunctionIndex));
ConstantPool = new (Allocator) MachineConstantPool(TM.getDataLayout());
Alignment = TM.getTargetLowering()->getMinFunctionAlignment();
// FIXME: Shouldn't use pref alignment if explicit alignment is set on Fn.
if (!Fn->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
Attribute::OptimizeForSize))
Alignment = std::max(Alignment,
TM.getTargetLowering()->getPrefFunctionAlignment());
FunctionNumber = FunctionNum;
JumpTableInfo = 0;
}
开发者ID:headmyshoulder,项目名称:llvm,代码行数:25,代码来源:MachineFunction.cpp
注:本文中的TargetMachine类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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