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Commit f51f4d36 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] MOVMSK only uses the sign bit from each vector element 

Pass the input vector through SimplifyDemandedBits as we only need the sign bit from each vector element of MOVMSK

We'd probably get more hits if SimplifyDemandedBits was better at handling vectors...

Differential Revision: https://reviews.llvm.org/D41119

llvm-svn: 320570
parent fa7e4ec8
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