[llvm-commits] CVS: llvm/include/llvm/Analysis/Dominators.h

[Chris Lattner]

Changes in directory llvm/include/llvm/Analysis:

Dominators.h updated: 1.50 -> 1.51
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Log message:

Fix PR670: http://llvm.cs.uiuc.edu/PR670  and test/Regression/Transforms/Mem2Reg/2005-11-28-Crash.ll


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Diffs of the changes:  (+1 -0)

 Dominators.h |    1 +
 1 files changed, 1 insertion(+)


Index: llvm/include/llvm/Analysis/Dominators.h
diff -u llvm/include/llvm/Analysis/Dominators.h:1.50 llvm/include/llvm/Analysis/Dominators.h:1.51
--- llvm/include/llvm/Analysis/Dominators.h:1.50	Fri Nov 18 01:27:33 2005
+++ llvm/include/llvm/Analysis/Dominators.h	Mon Nov 28 19:07:12 2005
@@ -311,6 +311,7 @@
     ///
     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;