[llvm-commits] CVS: llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp

[Chris Lattner]

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.



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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...