[PATCH] D104440: [X86] Fix bug when X86 stackify pass handle one ArgFPRW.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Jun 19 23:17:34 PDT 2021


craig.topper added a comment.

In D104440#2829220 <https://reviews.llvm.org/D104440#2829220>, @LuoYuanke wrote:

> With -O0, the small case can also generate "IMPLICIT_DEF" and "CHS_Fp80". I think we are near to the root cause. Stay tuned.

ProcessImplicitDefs doesn’t run with O0 and FP stackifier has special code for IMPLICIT_DEF.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104440/new/

https://reviews.llvm.org/D104440



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