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Author SHA1 Message Date
Chris Lattner
8581c260d3 fix PR6940: sitofp(undef) folds to 0.0, not undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102358 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 18:21:23 +00:00
Chris Lattner
8829cec25f 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100837 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 01:14:31 +00:00