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Commit c6e56024 authored by Sanjay Patel's avatar Sanjay Patel
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[InstCombine] fold signbit splat pattern that uses negate 

0 - (zext (i8 X u>> 7) to iN) --> sext (i8 X s>> 7) to iN

https://alive2.llvm.org/ce/z/jzv4Ud

This is part of solving issue #57381.
parent 3b071e1d
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