Simon Pilgrim c5c4d22d26 [X86][AVX] Improved VPERMILPS variable shuffle mask decoding.
Added support for decoding VPERMILPS variable shuffle masks that aren't in the constant pool.

Added target shuffle mask decoding for SCALAR_TO_VECTOR+VZEXT_MOVL cases - these can happen for v2i64 constant re-materialization

Followup to D17681

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262784 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-05 22:53:31 +00:00
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