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2e8d2c727c
lowering where it only used the mask of the low 128-bit lane rather than the entire mask. This allows the new lowering to correctly match the unpack patterns for v8i32 vectors. For reference, the reason that we check for the the entire mask rather than checking the repeated mask is because the repeated masks don't abide by all of the invariants of normal masks. As a consequence, it is safer to use the full mask with functions like the generic equivalence test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218442 91177308-0d34-0410-b5e6-96231b3b80d8
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