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CodeGen: simplify TargetOptions setup

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Do direct assignment of boolean values and regroup.  Use StringSwitch instead of
custom cases.  NFC.

llvm-svn: 250665
This commit is contained in:
Saleem Abdulrasool
2015-10-18 20:24:53 +00:00
parent b864c2c3c9
commit b25445cb48
1 changed files with 12 additions and 17 deletions
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29
clang/lib/CodeGen/BackendUtil.cpp
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@@ -488,24 +488,16 @@ TargetMachine *EmitAssemblyHelper::CreateTargetMachine(bool MustCreateTM) {
.Case("posix", llvm::ThreadModel::POSIX)
.Case("single", llvm::ThreadModel::Single);
if (CodeGenOpts.DisableIntegratedAS)
Options.DisableIntegratedAS = true;
if (CodeGenOpts.CompressDebugSections)
Options.CompressDebugSections = true;
if (CodeGenOpts.UseInitArray)
Options.UseInitArray = true;
// Set float ABI type.
if (CodeGenOpts.FloatABI == "soft" || CodeGenOpts.FloatABI == "softfp")
Options.FloatABIType = llvm::FloatABI::Soft;
else if (CodeGenOpts.FloatABI == "hard")
Options.FloatABIType = llvm::FloatABI::Hard;
else {
assert(CodeGenOpts.FloatABI.empty() && "Invalid float abi!");
Options.FloatABIType = llvm::FloatABI::Default;
}
assert((CodeGenOpts.FloatABI == "soft" || CodeGenOpts.FloatABI == "softfp" ||
CodeGenOpts.FloatABI == "hard" || CodeGenOpts.FloatABI.empty()) &&
"Invalid Floating Point ABI!");
Options.FloatABIType =
llvm::StringSwitch<llvm::FloatABI::ABIType>(CodeGenOpts.FloatABI)
.Case("soft", llvm::FloatABI::Soft)
.Case("softfp", llvm::FloatABI::Soft)
.Case("hard", llvm::FloatABI::Hard)
.Default(llvm::FloatABI::Default);
// Set FP fusion mode.
switch (CodeGenOpts.getFPContractMode()) {
@@ -520,6 +512,9 @@ TargetMachine *EmitAssemblyHelper::CreateTargetMachine(bool MustCreateTM) {
break;
}
Options.UseInitArray = CodeGenOpts.UseInitArray;
Options.DisableIntegratedAS = CodeGenOpts.DisableIntegratedAS;
Options.CompressDebugSections = CodeGenOpts.CompressDebugSections;
Options.LessPreciseFPMADOption = CodeGenOpts.LessPreciseFPMAD;
Options.NoInfsFPMath = CodeGenOpts.NoInfsFPMath;
Options.NoNaNsFPMath = CodeGenOpts.NoNaNsFPMath;