[PATCH] D58875: [X86] Merge negated ISD::SUB nodes into X86ISD::SUB equivalent (PR40483) (WIP)

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 11 08:50:04 PDT 2019


spatel marked an inline comment as done.
spatel added inline comments.


================
Comment at: llvm/test/CodeGen/X86/jump_sign.ll:307
 ; If we have sub a, b and cmp b, a and the result of cmp is used
 ; by sbb, we should not optimize cmp away.
 define i32 @func_q(i32 %a0, i32 %a1, i32 %a2) {
----------------
RKSimon wrote:
> update comment?
Yep - will update with commit.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58875/new/

https://reviews.llvm.org/D58875





More information about the llvm-commits mailing list