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Author SHA1 Message Date
Chris Lattner 87aa2243e2 fix PR6940: sitofp(undef) folds to 0.0, not undef. 
llvm-svn: 102358
 2010-04-26 18:21:23 +00:00
Chris Lattner c6c153be45 fix a SCCP miscompilation that could happen when a 
forced constant is changed to a constant, we would end
up adding the instruction to the wrong worklist, 
preventing it from being properly revisited.  This fixes
rdar://7832370

llvm-svn: 100837
 2010-04-09 01:14:31 +00:00