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authorEvan Cheng <evan.cheng@apple.com>2010-04-05 21:16:25 +0000
committerEvan Cheng <evan.cheng@apple.com>2010-04-05 21:16:25 +0000
commitba930449a916cd1b36ee483897aae76e7d2f8d05 (patch)
tree3a66cc46f7c01233cf8e62d7a8a8eee5ea805711 /llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
parent1290fa0f72258877b5bb02f8c165b3a3b08514b3 (diff)
downloadbcm5719-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.cpp22
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);
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