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4 Commits

Author SHA1 Message Date
Simon Pilgrim 06c70adcf0 [X86] Add missing BITREVERSE costs for SSE2 vectors and i8/i16/i32/i64 scalars 
Prep work for PR31810

llvm-svn: 297876
 2017-03-15 19:34:55 +00:00
Simon Pilgrim 3fc09f7be6 [CostModel][X86][SSE] Updated costs for vector BITREVERSE ops on SSSE3+ targets 
To account for the fast PSHUFB implementation now available

llvm-svn: 272484
 2016-06-11 19:23:02 +00:00
Simon Pilgrim ba319ded5e [Analysis] Enabled BITREVERSE as a vectorizable intrinsic 
Allows XOP to vectorize BITREVERSE - other targets will follow as their costmodels improve.

llvm-svn: 271803
 2016-06-04 20:21:07 +00:00
Simon Pilgrim 2def0a878a [SLPVectorizer][X86] Added BSWAP/BITREVERSE vectorization tests 
llvm-svn: 268803
 2016-05-06 21:41:55 +00:00