tree ae3976db16a82dde44ccd3b949824a9a8835f910
parent 5b91756c0ca7ef4d75c33c2617bfd0f9719907dc
author Rux124 <143302514+Ruhung@users.noreply.github.com> 1747027507 +0800
committer GitHub <noreply@github.com> 1747027507 +0800
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[SelectionDAG] Fix incorrect fold condition in foldSetCCWithFunnelShift. (#137637)

Proposed by
[2ed1598](https://github.com/llvm/llvm-project/commit/2ed15984b49a1af87be37ec8bd6ee3ab7f724767):

`fshl X, (or X, Y), C ==/!= 0 --> or (srl Y, BW-C), X ==/!= 0`

This transformation is valid when (C%Bitwidth) != 0 , as verified by
[Alive2](https://alive2.llvm.org/ce/z/TQYM-m).

Fixes #136746