[llvm] [DAGCombiner] Freeze maybe poison operands when folding select to logic (PR #84924)

Björn Pettersson via llvm-commits llvm-commits at lists.llvm.org
Tue May 28 02:33:52 PDT 2024


bjope wrote:

I've rebased this (again). But I'm not quite sure how to proceed.
- What remains to be solved before landing this? Any particular tests that are of concern?
- Would it help if I split it up in one patch for foldBoolSelectToLogic and another one for foldVSelectToSignBitSplatMask?
- Should I pre-commit https://github.com/llvm/llvm-project/pull/84924/commits/e57c1432d57227969a9d6a4f19fd5469a39a4a14 (not sure if there would be any motivating test cases for that one if doing it as a pre-commit, that is why I added it as a second patch in the patch-stack here).

https://github.com/llvm/llvm-project/pull/84924


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