[clang] a4df2da - [Driver][RISCV] Simplify -mtune

[Fangrui Song via cfe-commits]

Author: Fangrui Song
Date: 2022-07-22T14:51:07-07:00
New Revision: a4df2da173ba3907d652d24c9b4d8bb7d2ff447c

URL: https://github.com/llvm/llvm-project/commit/a4df2da173ba3907d652d24c9b4d8bb7d2ff447c
DIFF: https://github.com/llvm/llvm-project/commit/a4df2da173ba3907d652d24c9b4d8bb7d2ff447c.diff

LOG: [Driver][RISCV] Simplify -mtune

Added: 
    

Modified: 
    clang/lib/Driver/ToolChains/Clang.cpp

Removed: 
    


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diff  --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index 4cf4bc817144..a0b6422e51e2 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -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());
   }
 }