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4 Commits

Author SHA1 Message Date
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 14000b3cea [CostModel][X86][XOP] Added XOP costmodel for BITREVERSE 
Now that we have a nice fast VPPERM solution. Added framework for future intrinsic costs as well.

llvm-svn: 270537
 2016-05-24 08:17:50 +00:00
Simon Pilgrim 6e9898f362 [CostModel][X86] Added scalar bitreverse tests 
llvm-svn: 269594
 2016-05-15 17:40:48 +00:00
Simon Pilgrim 420852e8d4 [CostModel][X86] Split BSWAP/BITREVERSE cost tests from CTPOP/CTLZ/CTTZ 'bit count' cost tests 
llvm-svn: 268859
 2016-05-07 16:34:16 +00:00