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Author SHA1 Message Date
Chris Lattner
cae30afc34 don't require GVN to work on dead values, just make the 
test return the loaded value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60252 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-29 21:21:48 +00:00
Owen Anderson
f2aa160b35 A better fix for PR2503 that doesn't pessimize GVN in the presence of unreachable blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53032 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 17:20:16 +00:00