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3 Commits

Author SHA1 Message Date
Chris Lattner
7abdb22e52 fix PR8102, a case where we'd copyValue from a value that we already 
deleted.  Fix this by doing the copyValue's before we delete stuff!

The testcase only repros the problem on my system with valgrind.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113820 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-14 00:19:00 +00:00
Chris Lattner
0cccd7633e fix PR8067, an over-aggressive assertion in LICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113146 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-06 05:11:24 +00:00
Chris Lattner
469996400c fix a bug in my licm rewrite when a load from the promoted memory 
location is being re-stored to the memory location.  We would get
a dangling pointer from the SSAUpdate data structure and miss a 
use.  This fixes PR8068


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:12:30 +00:00