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[Driver][RISCV] Simplify -mtune

This commit is contained in:
Fangrui Song 2022-07-22 14:51:07 -07:00
parent 12fbd2d377
commit a4df2da173
1 changed files with 4 additions and 11 deletions
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15
clang/lib/Driver/ToolChains/Clang.cpp
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@ -2181,18 +2181,11 @@ void Clang::AddRISCVTargetArgs(const ArgList &Args,
SetRISCVSmallDataLimit(getToolChain(), Args, CmdArgs);
std::string TuneCPU;
if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_mtune_EQ)) {
StringRef Name = A->getValue();
Name = llvm::RISCV::resolveTuneCPUAlias(Name, Triple.isArch64Bit());
TuneCPU = std::string(Name);
}
if (!TuneCPU.empty()) {
if (const Arg *A = Args.getLastArg(options::OPT_mtune_EQ)) {
StringRef Name =
llvm::RISCV::resolveTuneCPUAlias(A->getValue(), Triple.isArch64Bit());
CmdArgs.push_back("-tune-cpu");
CmdArgs.push_back(Args.MakeArgString(TuneCPU));
CmdArgs.push_back(Name.data());
}
}