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3 Commits

Author SHA1 Message Date
Nadav Rotem aa92ea4f12 We are not ready to estimate the cost of integer expansions based on the number of parts. This test is too noisy. 
llvm-svn: 170999
 2012-12-23 09:11:07 +00:00
Nadav Rotem 0a471ea66c Cost Model: change the default cost of control flow instructions (br / ret / ...) to zero. 
llvm-svn: 169423
 2012-12-05 21:21:26 +00:00
Nadav Rotem 020be9dc29 Cost Model: teach the cost model about expanding integers. 
llvm-svn: 167401
 2012-11-05 21:11:10 +00:00