[PATCH] D142138: [OpenMP] Clean up AMD handling for `-fopenmp-targets=amdgcn` arch inference

[Jon Chesterfield via Phabricator via cfe-commits]

JonChesterfield added a subscriber: arsenm.
JonChesterfield added a comment.

@arsenm as above, mcpu != march important? llc takes a different one to clang iirc


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142138/new/

https://reviews.llvm.org/D142138