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Commit 75f9aa6c authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][AVX] Add SimplifyDemandedVectorEltsForTargetShuffle test for v32i8->v16i8 PSHUFB 

On SKX targets we end up loading a v16i8 PSHUFB mask from a v32i8 constant and scaling incorrectly indexes the demanded elts mask - we're missing a check that the constant pool is the same size as the loaded mask.

Test case from D81791 post-commit review.
parent a50c7ebf
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