[PATCH] D156346: CodeGen: Disable isCopyInstrImpl if there are implicit operands

Matt Arsenault via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jul 26 16:22:36 PDT 2023


arsenm added a comment.

In D156346#4536935 <https://reviews.llvm.org/D156346#4536935>, @vitalybuka wrote:

> Just tried, this one does not solve the issue. Or it probably introduce a different miscompile. UBSan report is gone, but the test fails text expectations. With stable ( before D150388 <https://reviews.llvm.org/D150388> ) compiler the test consistently green.
>
> D156164 <https://reviews.llvm.org/D156164> also makes the test consistently green.

To clarify did you only apply this patch? You need the whole stack. This one in isolation won’t fix it


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https://reviews.llvm.org/D156346



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