[PATCH] D34300: [AMDGPU] simplify add x, *ext (setcc) => addc|subb x, 0, setcc

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

Why does this need to be a target combine? Can't we use the sub with overflow generic nodes?


Repository:
  rL LLVM

https://reviews.llvm.org/D34300