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3 Commits

Author SHA1 Message Date
Simon Pilgrim
b240484d51 Fix spelling. NFCI. 
llvm-svn: 262078
 2016-02-26 21:56:27 +00:00
Simon Pilgrim
82dcce5934 [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.

llvm-svn: 261201
 2016-02-18 10:17:40 +00:00
Craig Topper
cf29b2e15a [X86] Move shuffle decoding for constant pool into the X86CodeGen library to remove a layering violation in the Util library. 
llvm-svn: 256680
 2015-12-31 22:40:45 +00:00