diff options
| author | Chris Lattner <sabre@nondot.org> | 2004-02-29 22:24:41 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-02-29 22:24:41 +0000 |
| commit | 06887c9a2ad0d30c3cdfeff4d5e268a634c9d1a6 (patch) | |
| tree | 2ad6af62f0483943bf4f8fe7f3cfd90847a9c7bb /lib/Transforms/Utils/BreakCriticalEdges.cpp | |
| parent | 2b39c91a409256ccd944c21b388aef1f2db30bd1 (diff) | |
Fix bug: test/Regression/Transforms/LowerInvoke/2004-02-29-PHICrash.llx
... which tickled the lowerinvoke pass because it used the BCE routines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12012 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/BreakCriticalEdges.cpp')
| -rw-r--r-- | lib/Transforms/Utils/BreakCriticalEdges.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp index 178e8ca195..8e00f9c613 100644 --- a/lib/Transforms/Utils/BreakCriticalEdges.cpp +++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp @@ -119,8 +119,11 @@ bool llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P) { // 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... |