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94141a42ed
Summary: Separate the check for blend shuffle_vector masks into isBlendMask. This function will also be used to check if a vector shuffle is legal. No change in functionality was intended, but we ended up improving codegen on two tests, which were being (more) optimized only if the resulting shuffle was legal. Reviewers: nadav, delena, andreadb Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D3964 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209923 91177308-0d34-0410-b5e6-96231b3b80d8
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