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Fix PR670 and test/Regression/Transforms/Mem2Reg/2005-11-28-Crash.ll

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llvm-svn: 24508
This commit is contained in:
Chris Lattner 2005-11-29 01:07:12 +00:00
parent 10bc24c5b2
commit 8154ba119b
1 changed files with 1 additions and 0 deletions
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1
include/llvm/Analysis/Dominators.h
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@ -311,6 +311,7 @@ public:
///
bool properlyDominates(const Node *N) const {
const Node *IDom;
if (this == 0 || N == 0) return false;
while ((IDom = N->getIDom()) != 0 && IDom != this)
N = IDom; // Walk up the tree
return IDom != 0;