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author | Evan Cheng <evan.cheng@apple.com> | 2010-04-05 21:16:25 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2010-04-05 21:16:25 +0000 |
commit | ba930449a916cd1b36ee483897aae76e7d2f8d05 (patch) | |
tree | 3a66cc46f7c01233cf8e62d7a8a8eee5ea805711 /llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | |
parent | 1290fa0f72258877b5bb02f8c165b3a3b08514b3 (diff) | |
download | bcm5719-llvm-ba930449a916cd1b36ee483897aae76e7d2f8d05.tar.gz bcm5719-llvm-ba930449a916cd1b36ee483897aae76e7d2f8d05.zip |
Code clean up.
llvm-svn: 100467
Diffstat (limited to 'llvm/lib/Transforms/Utils/BasicBlockUtils.cpp')
-rw-r--r-- | llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp index 1f62dabb201..2f1ae005a4f 100644 --- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -336,21 +336,19 @@ BasicBlock *llvm::SplitBlock(BasicBlock *Old, Instruction *SplitPt, Pass *P) { if (Loop *L = LI->getLoopFor(Old)) L->addBasicBlockToLoop(New, LI->getBase()); - if (DominatorTree *DT = P->getAnalysisIfAvailable<DominatorTree>()) - { - // Old dominates New. New node domiantes all other nodes dominated by Old. - DomTreeNode *OldNode = DT->getNode(Old); - std::vector<DomTreeNode *> Children; - for (DomTreeNode::iterator I = OldNode->begin(), E = OldNode->end(); - I != E; ++I) - Children.push_back(*I); - - DomTreeNode *NewNode = DT->addNewBlock(New,Old); - + if (DominatorTree *DT = P->getAnalysisIfAvailable<DominatorTree>()) { + // Old dominates New. New node domiantes all other nodes dominated by Old. + DomTreeNode *OldNode = DT->getNode(Old); + std::vector<DomTreeNode *> Children; + for (DomTreeNode::iterator I = OldNode->begin(), E = OldNode->end(); + I != E; ++I) + Children.push_back(*I); + + DomTreeNode *NewNode = DT->addNewBlock(New,Old); for (std::vector<DomTreeNode *>::iterator I = Children.begin(), E = Children.end(); I != E; ++I) DT->changeImmediateDominator(*I, NewNode); - } + } if (DominanceFrontier *DF = P->getAnalysisIfAvailable<DominanceFrontier>()) DF->splitBlock(Old); |