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Commit e0ea7462 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] SimplifyDemandedVectorEltsForTargetNode - add faux shuffle support. 

This patch decodes target and faux shuffles with getTargetShuffleInputs - a reduced version of resolveTargetShuffleInputs that doesn't resolve SM_SentinelZero cases, so we can correctly remove zero vectors if they aren't demanded.

llvm-svn: 371353
parent 139a9d6c
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