diff options
Diffstat (limited to 'lib/Transforms/Utils/BreakCriticalEdges.cpp')
| -rw-r--r-- | lib/Transforms/Utils/BreakCriticalEdges.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp index 87b019f77a..acc1e2cd3f 100644 --- a/lib/Transforms/Utils/BreakCriticalEdges.cpp +++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp @@ -1,10 +1,10 @@ //===- BreakCriticalEdges.cpp - Critical Edge Elimination Pass ------------===// -// +// // The LLVM Compiler Infrastructure // // This file was developed by the LLVM research group and is distributed under // the University of Illinois Open Source License. See LICENSE.TXT for details. -// +// //===----------------------------------------------------------------------===// // // BreakCriticalEdges pass - Break all of the critical edges in the CFG by @@ -31,7 +31,7 @@ namespace { struct BreakCriticalEdges : public FunctionPass { virtual bool runOnFunction(Function &F); - + virtual void getAnalysisUsage(AnalysisUsage &AU) const { AU.addPreserved<DominatorSet>(); AU.addPreserved<ImmediateDominators>(); @@ -108,7 +108,7 @@ bool llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P) { DestBB->getName() + "_crit_edge"); // Create our unconditional branch... new BranchInst(DestBB, NewBB); - + // Branch to the new block, breaking the edge... TI->setSuccessor(SuccNum, NewBB); @@ -150,11 +150,11 @@ bool llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P) { // anything. ID->addNewBlock(NewBB, TIBB); } - + // Should we update DominatorTree information? if (DominatorTree *DT = P->getAnalysisToUpdate<DominatorTree>()) { DominatorTree::Node *TINode = DT->getNode(TIBB); - + // The new block is not the immediate dominator for any other nodes, but // TINode is the immediate dominator for the new node. // |