[llvm] [InstCombine] Pull unary shuffles through fneg/fabs (PR #144933)
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 25 00:40:32 PDT 2025
RKSimon wrote:
> Once this goes in, we should remember to make the analogous change for the shuffle-like intrinsics - i.e. reverse and vp.reverse.
If anyone has any ideas on how we could implement a PatternMatch::m_ShuffleLike matcher (and corresponding Builder.CreateShuffleLike) to handle shuffles and some/all of the shuffle-like intrinsics I'd love to hear them!
https://github.com/llvm/llvm-project/pull/144933
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