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Commit 702e5fa3 authored by Simon Pilgrim's avatar Simon Pilgrim
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[CostModel][X86] Improve single src shuffle costs 

Add missing SK_PermuteSingleSrc costs for AVX2 targets and earlier, also added some of the simpler SK_PermuteTwoSrc costs to support splitting of SK_PermuteSingleSrc shuffles

llvm-svn: 310632
parent c3e546fe
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