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| author | Chris Lattner <sabre@nondot.org> | 2006-01-11 05:11:13 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-01-11 05:11:13 +0000 |
| commit | dd9e9566052d02c9fa053756bb0136eb25e9018b (patch) | |
| tree | f90e4bde44ccb7f702389766b2f02e2029d0922a /lib/Transforms/Utils/BreakCriticalEdges.cpp | |
| parent | 88cac3d2f70d01423f56363f24e172786428b3cf (diff) | |
Preserve and update ETForest. Patch by Daniel Berlin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25203 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/BreakCriticalEdges.cpp')
| -rw-r--r-- | lib/Transforms/Utils/BreakCriticalEdges.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp index 7e44574a6e..5bb7d46908 100644 --- a/lib/Transforms/Utils/BreakCriticalEdges.cpp +++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp @@ -34,6 +34,7 @@ namespace { virtual bool runOnFunction(Function &F); virtual void getAnalysisUsage(AnalysisUsage &AU) const { + AU.addPreserved<ETForest>(); AU.addPreserved<DominatorSet>(); AU.addPreserved<ImmediateDominators>(); AU.addPreserved<DominatorTree>(); @@ -153,6 +154,10 @@ bool llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P) { ID->addNewBlock(NewBB, TIBB); } + // Update the forest? + if (ETForest *EF = P->getAnalysisToUpdate<ETForest>()) + EF->addNewBlock(NewBB, TIBB); + // Should we update DominatorTree information? if (DominatorTree *DT = P->getAnalysisToUpdate<DominatorTree>()) { DominatorTree::Node *TINode = DT->getNode(TIBB); |