//===----------------------------------------------------------------------===//
#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"
#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/PassManager.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
Options.DataSections = V;
}
+TargetIRAnalysis TargetMachine::getTargetIRAnalysis() {
+ return TargetIRAnalysis(
+ [this](Function &) { return TargetTransformInfo(getDataLayout()); });
+}
+
+static bool canUsePrivateLabel(const MCAsmInfo &AsmInfo,
+ const MCSection &Section) {
+ if (!AsmInfo.isSectionAtomizableBySymbols(Section))
+ return true;
+
+ // 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;
+
+ return false;
+}
+
void TargetMachine::getNameWithPrefix(SmallVectorImpl<char> &Name,
const GlobalValue *GV, Mangler &Mang,
bool MayAlwaysUsePrivate) const {
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());
}