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[CostModel][X86] Improve single src shuffle costs

Description

[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

Details

Committed
RKSimonAug 10 2017, 10:27 AM
Parents
rL310631: Fix 'not all control paths return' warning on windows builds. NFCI.
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