[PATCH] D64707: [x86] try harder to form LEA from ADD to avoid flag conflicts (PR40483)

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 18 05:09:28 PDT 2019


spatel added a comment.

In D64707#1591179 <https://reviews.llvm.org/D64707#1591179>, @RKSimon wrote:

> If we focussed just on PR40483 for now - do we just need X86ISD ADD + SUB (ADC + SBB) ?


Yes - mul and logic don't need to be in the list to change the motivating bug. I'll comment those opcodes out, and we can make this patch independent of them.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64707/new/

https://reviews.llvm.org/D64707





More information about the llvm-commits mailing list