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Commit 73aee290 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] LowerBuildVectorv4x32 - don't insert MOVQ for undef elts 

Fixes the regression noted in D61782 where a VZEXT_MOVL was being inserted because we weren't discriminating between 'zeroable' and 'all undef' for the upper elts.

Differential Revision: https://reviews.llvm.org/D61782

llvm-svn: 360596
parent 7f63e8c0
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