yaxunl marked an inline comment as done.
yaxunl added inline comments.

================
Comment at: clang/lib/Driver/ToolChains/CommonArgs.cpp:207-209
+  Arg *A = Args.getLastArg(options::OPT_march_EQ);
+  if (!A)
+    A = Args.getLastArg(options::OPT_mcpu_EQ);
----------------
arsenm wrote:
> Why is this necessary?
HIP uses -march to pass the processor. I can switch to use -mcpu in HIP 
toolchain.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D81861/new/

https://reviews.llvm.org/D81861



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