[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 22:44:24 PDT 2021


craig.topper added a comment.

In D104440#2829199 <https://reviews.llvm.org/D104440#2829199>, @LuoYuanke wrote:

> BTW, do you think the patch to handle undef case in stackify pass reasonable?

No I do not. I have no reason to believe fneg or one arg instructions are the only things that could be effected. We need to understand why this is happening because isel was trying to prevent this.


Repository:
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  https://reviews.llvm.org/D104440/new/

https://reviews.llvm.org/D104440



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