[PATCH] D63105: Add --print-supported-cpus flag for clang.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

This option is useful but may be hard to discover. Will something like `-march=?` and `-mtune=?` make the feature more discoverable?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63105/new/

https://reviews.llvm.org/D63105