[llvm] [TTI] getInstructionCost - consistently treat all undef/poison shuffle masks as free (PR #146039)

Mikael Holmén via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 27 01:57:55 PDT 2025

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mikaelholmen wrote:

This seem to fix the problems I saw. I've run a bunch of llvm-stress testcases with this fix without seeing any crashes.

Thanks for the quick fix!

https://github.com/llvm/llvm-project/pull/146039

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