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Commit 7b1d503d authored by Craig Topper's avatar Craig Topper
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[X86] Rewrite the zero vector checks in lowerV2X128VectorShuffle to use the Zeroable APInt 

We already have zeroable bits in an APInt. We might as well use that instead of checking for an all zero BUILD_VECTOR.

Differential Revision: https://reviews.llvm.org/D37950

llvm-svn: 314332
parent 05f71dd0
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