[PATCH] D146523: [AMDGPU]: Add new intrinsic llvm.amdgcn.convergent.copy

[Brian Sumner via Phabricator via llvm-commits]

b-sumner added a comment.

FWIW, there is no desire to read from inactive lanes.  The loop is supposed to only be reading from, and writing to, lanes that were active before the for loop is executed by a select single lane.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146523/new/

https://reviews.llvm.org/D146523