[PATCH] D128252: [AMDGPU] Lowering VGPR to SGPR copies to v_readfirstlane_b32 if profitable.

[Nico Weber via Phabricator via llvm-commits]

thakis added a comment.

looks like this breaks tests: http://45.33.8.238/linux/81242/step_12.txt

Please take a look and revert for now if it takes a while to fix.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128252/new/

https://reviews.llvm.org/D128252