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4 Commits

Author SHA1 Message Date
Simon Pilgrim 61f704e4bd [CostModel][X86] Regenerate bit count cost tests with update_analyze_test_checks.py 
llvm-svn: 329413
 2018-04-06 16:14:27 +00:00
Craig Topper 7034d401f8 [X86] Use mattr instead of mcpu in some of the cost model tests. 
Based on the names of the check lines, features seems more appropriate that cpu.

Spotted while prototyping my patch to make 512-bit vectors illegal on SKX sometimes.

llvm-svn: 320959
 2017-12-18 07:21:58 +00:00
Simon Pilgrim 23ef26728a [X86][AVX512] Add 512-bit vector ctlz costs + tests 
llvm-svn: 303300
 2017-05-17 21:02:18 +00:00
Simon Pilgrim 91b46c99be [X86] Split ctpop/ctlz/cttz cost tests 
This will make things a lot easier to test all the permutations of avx512 

llvm-svn: 303290
 2017-05-17 19:57:20 +00:00