[clang] 8f0c901 - [Driver] Report -Wunused-command-line-argument for unimplemented -mtune=

[Fangrui Song via cfe-commits]

Author: Fangrui Song
Date: 2022-07-22T15:07:28-07:00
New Revision: 8f0c901c1a172313a32bc06a1fcface76cd1220f

URL: https://github.com/llvm/llvm-project/commit/8f0c901c1a172313a32bc06a1fcface76cd1220f
DIFF: https://github.com/llvm/llvm-project/commit/8f0c901c1a172313a32bc06a1fcface76cd1220f.diff

LOG: [Driver] Report -Wunused-command-line-argument for unimplemented -mtune=

Most common architectures (aarch64,riscv,s390x,x86,etc) have implemented -mtune=.
Don't ignore -mtune= in generic code.

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index 092566211ed0..33e3fe267c23 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -5392,9 +5392,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
 
   TC.addClangTargetOptions(Args, CmdArgs, JA.getOffloadingDeviceKind());
 
-  // FIXME: Handle -mtune=.
-  (void)Args.hasArg(options::OPT_mtune_EQ);
-
   if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) {
     StringRef CM = A->getValue();
     if (CM == "small" || CM == "kernel" || CM == "medium" || CM == "large" ||