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Author SHA1 Message Date
Benjamin Kramer 47c3f2d625 Use BranchProbability compare operators. 
llvm-svn: 143190
 2011-10-28 11:14:31 +00:00
Jakub Staszak 12a43bdde5 Introduce MachineBranchProbabilityInfo class, which has similar API to 
BranchProbabilityInfo (expect setEdgeWeight which is not available here).
Branch Weights are kept in MachineBasicBlocks. To turn off this analysis
set -use-mbpi=false.

llvm-svn: 133184
 2011-06-16 20:22:37 +00:00