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Author SHA1 Message Date
Benjamin Kramer aca1885695 FileCheck hygiene. 
llvm-svn: 147580
 2012-01-05 00:43:34 +00:00
Nick Lewycky c554a9b58e Teach simplifycfg to recompute branch weights when merging some branches, and 
to discard weights when appropriate. Still more to do (and a new TODO), but
it's a start!

llvm-svn: 147286
 2011-12-27 04:31:52 +00:00
Nick Lewycky 8d302df4a4 Update the branch weight metadata when reversing the order of a branch. 
llvm-svn: 147280
 2011-12-26 20:54:14 +00:00