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01e39346f3
Updated X86TargetLowering::isShuffleMaskLegal to match SHUFP masks with commuted inputs and PSHUFD masks that reference the second input. As part of this I've refactored isPSHUFDMask to work in a more general manner and allow it to match against either the first or second input vector. Differential Revision: http://reviews.llvm.org/D6287 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222087 91177308-0d34-0410-b5e6-96231b3b80d8