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Simplify and rename function overrideFunctionAttributes. NFC.
This is in preparation to making changes needed to stop resetting NoFramePointerElim in resetTargetOptions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238079 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -287,15 +287,4 @@ static inline std::string getFeaturesStr() {
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return Features.getString();
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}
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static inline void overrideFunctionAttributes(StringRef CPU, StringRef Features,
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Module &M) {
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for (auto &F : M) {
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if (!CPU.empty())
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llvm::overrideFunctionAttribute("target-cpu", CPU, F);
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if (!Features.empty())
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llvm::overrideFunctionAttribute("target-features", Features, F);
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}
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}
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#endif
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@ -591,9 +591,6 @@ ilist_traits<Argument>::getSymTab(Function *F) {
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return F ? &F->getValueSymbolTable() : nullptr;
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}
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/// \brief Overwrite attribute Kind in function F.
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void overrideFunctionAttribute(StringRef Kind, StringRef Value, Function &F);
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} // End llvm namespace
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#endif
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@ -222,6 +222,10 @@ namespace llvm {
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MCTargetOptions MCOptions;
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};
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/// \brief Set function attributes of functions in Module M based on CPU and
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/// Features.
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void setFunctionAttributes(StringRef CPU, StringRef Features, Module &M);
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// Comparison operators:
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@ -51,3 +51,23 @@ bool TargetOptions::HonorSignDependentRoundingFPMath() const {
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StringRef TargetOptions::getTrapFunctionName() const {
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return TrapFuncName;
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}
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void llvm::setFunctionAttributes(StringRef CPU, StringRef Features, Module &M) {
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for (auto &F : M) {
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auto &Ctx = F.getContext();
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AttributeSet Attrs = F.getAttributes(), NewAttrs;
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if (!CPU.empty())
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NewAttrs = NewAttrs.addAttribute(Ctx, AttributeSet::FunctionIndex,
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"target-cpu", CPU);
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if (!Features.empty())
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NewAttrs = NewAttrs.addAttribute(Ctx, AttributeSet::FunctionIndex,
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"target-features", Features);
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// Let NewAttrs override Attrs.
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NewAttrs = Attrs.addAttributes(Ctx, AttributeSet::FunctionIndex, NewAttrs);
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F.setAttributes(NewAttrs);
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}
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}
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@ -959,19 +959,6 @@ void Function::setPrologueData(Constant *PrologueData) {
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setValueSubclassData(PDData);
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}
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void llvm::overrideFunctionAttribute(StringRef Kind, StringRef Value,
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Function &F) {
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auto &Ctx = F.getContext();
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AttributeSet Attrs = F.getAttributes(), AttrsToRemove;
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AttrsToRemove =
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AttrsToRemove.addAttribute(Ctx, AttributeSet::FunctionIndex, Kind);
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Attrs = Attrs.removeAttributes(Ctx, AttributeSet::FunctionIndex,
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AttrsToRemove);
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Attrs = Attrs.addAttribute(Ctx, AttributeSet::FunctionIndex, Kind, Value);
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F.setAttributes(Attrs);
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}
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void Function::setEntryCount(uint64_t Count) {
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MDBuilder MDB(getContext());
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setMetadata(LLVMContext::MD_prof, MDB.createFunctionEntryCount(Count));
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@ -304,8 +304,8 @@ static int compileModule(char **argv, LLVMContext &Context) {
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if (const DataLayout *DL = Target->getDataLayout())
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M->setDataLayout(*DL);
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// Override function attributes.
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overrideFunctionAttributes(CPUStr, FeaturesStr, *M);
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// Override function attributes based on CPUStr and FeaturesStr.
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setFunctionAttributes(CPUStr, FeaturesStr, *M);
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if (RelaxAll.getNumOccurrences() > 0 &&
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FileType != TargetMachine::CGFT_ObjectFile)
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@ -386,6 +386,7 @@ int main(int argc, char **argv) {
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Triple ModuleTriple(M->getTargetTriple());
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std::string CPUStr, FeaturesStr;
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TargetMachine *Machine = nullptr;
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if (ModuleTriple.getArch()) {
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CPUStr = getCPUStr();
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FeaturesStr = getFeaturesStr();
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@ -394,8 +395,8 @@ int main(int argc, char **argv) {
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std::unique_ptr<TargetMachine> TM(Machine);
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// Override function attributes.
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overrideFunctionAttributes(CPUStr, FeaturesStr, *M);
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// Override function attributes based on CPUStr and FeaturesStr.
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setFunctionAttributes(CPUStr, FeaturesStr, *M);
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// If the output is set to be emitted to standard out, and standard out is a
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// console, print out a warning message and refuse to do it. We don't
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