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Author SHA1 Message Date
Simon Pilgrim dd18dd4735 Fix spelling. NFCI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262078 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-26 21:56:27 +00:00
Simon Pilgrim 764196a8c8 [X86][SSE] Improve PSHUFB shuffle mask decoding. 
In cases where the PSHUFB shuffle mask is shared it might not be bitcasted to a vXi8 byte vector. This patch adds support for decoding these wider shuffle masks from the ConstantPool.

The test case in question makes use of this to recognise the shuffle mask is an unary UNPCKL pattern and simplifies accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261201 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-18 10:17:40 +00:00
Craig Topper 8cb3fe2069 [X86] Move shuffle decoding for constant pool into the X86CodeGen library to remove a layering violation in the Util library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256680 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-12-31 22:40:45 +00:00