[llvm-commits] CVS: llvm/lib/VMCore/BasicBlock.cpp
Chris Lattner
lattner at cs.uiuc.edu
Fri Aug 5 08:34:24 PDT 2005
Changes in directory llvm/lib/VMCore:
BasicBlock.cpp updated: 1.66 -> 1.67
---
Log message:
Fix an iterator invalidation problem when we decide a phi has a constant value
---
Diffs of the changes: (+2 -1)
BasicBlock.cpp | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
Index: llvm/lib/VMCore/BasicBlock.cpp
diff -u llvm/lib/VMCore/BasicBlock.cpp:1.66 llvm/lib/VMCore/BasicBlock.cpp:1.67
--- llvm/lib/VMCore/BasicBlock.cpp:1.66 Thu Aug 4 20:02:04 2005
+++ llvm/lib/VMCore/BasicBlock.cpp Fri Aug 5 10:34:10 2005
@@ -189,7 +189,8 @@
// Okay, now we know that we need to remove predecessor #pred_idx from all
// PHI nodes. Iterate over each PHI node fixing them up
PHINode *PN;
- for (iterator II = begin(); (PN = dyn_cast<PHINode>(II)); ++II) {
+ for (iterator II = begin(); (PN = dyn_cast<PHINode>(II)); ) {
+ ++II;
PN->removeIncomingValue(Pred, false);
// If all incoming values to the Phi are the same, we can replace the Phi
// with that value.
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