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Author SHA1 Message Date
Simon Pilgrim 3eef33a806 [X86][SSE] Add MULHS/MULHU custom lowering for i8 vectors 
Currently this is to mainly to prevent scalarization of integer division by constants.

Differential Revision: http://reviews.llvm.org/D18307

llvm-svn: 264511
 2016-03-26 15:27:20 +00:00
Simon Pilgrim 4af44f3c13 [X86][SSE] Add vector integer division by constant tests 
Expanded tests and split into sdiv/srem and udiv/urem cases for 128 and 256 bit vectors.

llvm-svn: 263917
 2016-03-20 21:46:58 +00:00