[llvm-commits] CVS: llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp
Chris Lattner
lattner at cs.uiuc.edu
Sun Feb 29 16:25:00 PST 2004
Changes in directory llvm/lib/Transforms/Utils:
BreakCriticalEdges.cpp updated: 1.18 -> 1.19
---
Log message:
Fix bug: test/Regression/Transforms/LowerInvoke/2004-02-29-PHICrash.llx
... which tickled the lowerinvoke pass because it used the BCE routines.
---
Diffs of the changes: (+5 -2)
Index: llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp
diff -u llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp:1.18 llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp:1.19
--- llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp:1.18 Fri Jan 9 00:12:10 2004
+++ llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp Sun Feb 29 16:24:41 2004
@@ -119,8 +119,11 @@
//
for (BasicBlock::iterator I = DestBB->begin();
PHINode *PN = dyn_cast<PHINode>(I); ++I) {
- // We no longer enter through TIBB, now we come in through NewBB.
- PN->replaceUsesOfWith(TIBB, NewBB);
+ // We no longer enter through TIBB, now we come in through NewBB. Revector
+ // exactly one entry in the PHI node that used to come from TIBB to come
+ // from NewBB.
+ Value *InVal = PN->removeIncomingValue(TIBB, false);
+ PN->addIncoming(InVal, NewBB);
}
// If we don't have a pass object, we can't update anything...
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