[PATCH] D19191: AMDGPU/SI: add llvm.amdgcn.ps.live intrinsic

[Matt Arsenault via llvm-commits]

arsenm added a comment.

Is this just a read from the exec mask? It should probably be convergent. Can you accomplish the same thing with a convergent call to the read_register intrinsic?


http://reviews.llvm.org/D19191