diff options
Diffstat (limited to 'lib/Target/TargetMachine.cpp')
| -rw-r--r-- | lib/Target/TargetMachine.cpp | 51 |
1 files changed, 22 insertions, 29 deletions
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp index 309e1bf..307e93c 100644 --- a/lib/Target/TargetMachine.cpp +++ b/lib/Target/TargetMachine.cpp @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "llvm/Target/TargetMachine.h" +#include "llvm/Analysis/TargetTransformInfo.h" #include "llvm/CodeGen/MachineFunction.h" #include "llvm/IR/Function.h" #include "llvm/IR/GlobalAlias.h" @@ -21,8 +22,10 @@ #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCCodeGenInfo.h" #include "llvm/MC/MCContext.h" +#include "llvm/MC/MCSectionMachO.h" #include "llvm/MC/MCTargetOptions.h" #include "llvm/MC/SectionKind.h" +#include "llvm/IR/LegacyPassManager.h" #include "llvm/Support/CommandLine.h" #include "llvm/Target/TargetLowering.h" #include "llvm/Target/TargetLoweringObjectFile.h" @@ -51,10 +54,8 @@ TargetMachine::~TargetMachine() { void TargetMachine::resetTargetOptions(const Function &F) const { #define RESET_OPTION(X, Y) \ do { \ - if (F.hasFnAttribute(Y)) \ - Options.X = (F.getAttributes() \ - .getAttribute(AttributeSet::FunctionIndex, Y) \ - .getValueAsString() == "true"); \ + if (F.hasFnAttribute(Y)) \ + Options.X = (F.getFnAttribute(Y).getValueAsString() == "true"); \ } while (0) RESET_OPTION(NoFramePointerElim, "no-frame-pointer-elim"); @@ -145,28 +146,22 @@ void TargetMachine::setOptLevel(CodeGenOpt::Level Level) const { CodeGenInfo->setOptLevel(Level); } -bool TargetMachine::getAsmVerbosityDefault() const { - return Options.MCOptions.AsmVerbose; +TargetIRAnalysis TargetMachine::getTargetIRAnalysis() { + return TargetIRAnalysis( + [this](Function &) { return TargetTransformInfo(getDataLayout()); }); } -void TargetMachine::setAsmVerbosityDefault(bool V) { - Options.MCOptions.AsmVerbose = V; -} - -bool TargetMachine::getFunctionSections() const { - return Options.FunctionSections; -} +static bool canUsePrivateLabel(const MCAsmInfo &AsmInfo, + const MCSection &Section) { + if (!AsmInfo.isSectionAtomizableBySymbols(Section)) + return true; -bool TargetMachine::getDataSections() const { - return Options.DataSections; -} - -void TargetMachine::setFunctionSections(bool V) { - Options.FunctionSections = V; -} + // If it is not dead stripped, it is safe to use private labels. + const MCSectionMachO &SMO = cast<MCSectionMachO>(Section); + if (SMO.hasAttribute(MachO::S_ATTR_NO_DEAD_STRIP)) + return true; -void TargetMachine::setDataSections(bool V) { - Options.DataSections = V; + return false; } void TargetMachine::getNameWithPrefix(SmallVectorImpl<char> &Name, @@ -179,17 +174,15 @@ void TargetMachine::getNameWithPrefix(SmallVectorImpl<char> &Name, return; } SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GV, *this); - const TargetLoweringObjectFile &TLOF = - getSubtargetImpl()->getTargetLowering()->getObjFileLowering(); - const MCSection *TheSection = TLOF.SectionForGlobal(GV, GVKind, Mang, *this); - bool CannotUsePrivateLabel = TLOF.isSectionAtomizableBySymbols(*TheSection); + const TargetLoweringObjectFile *TLOF = getObjFileLowering(); + const MCSection *TheSection = TLOF->SectionForGlobal(GV, GVKind, Mang, *this); + bool CannotUsePrivateLabel = !canUsePrivateLabel(*AsmInfo, *TheSection); Mang.getNameWithPrefix(Name, GV, CannotUsePrivateLabel); } MCSymbol *TargetMachine::getSymbol(const GlobalValue *GV, Mangler &Mang) const { SmallString<60> NameStr; getNameWithPrefix(NameStr, GV, Mang); - const TargetLoweringObjectFile &TLOF = - getSubtargetImpl()->getTargetLowering()->getObjFileLowering(); - return TLOF.getContext().GetOrCreateSymbol(NameStr.str()); + const TargetLoweringObjectFile *TLOF = getObjFileLowering(); + return TLOF->getContext().GetOrCreateSymbol(NameStr.str()); } |