diff options
| -rw-r--r-- | llvm/lib/VMCore/Dominators.cpp | 8 | 
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/lib/VMCore/Dominators.cpp b/llvm/lib/VMCore/Dominators.cpp index 8a33eb06236..8a68b4e9da1 100644 --- a/llvm/lib/VMCore/Dominators.cpp +++ b/llvm/lib/VMCore/Dominators.cpp @@ -140,12 +140,8 @@ void DominanceFrontier::splitBlock(BasicBlock *NewBB) {    // NewBBSucc inherits original NewBB frontier.    DominanceFrontier::iterator NewBBI = find(NewBB); -  if (NewBBI != end()) { -    DominanceFrontier::DomSetType NewBBSet = NewBBI->second; -    DominanceFrontier::DomSetType NewBBSuccSet; -    NewBBSuccSet.insert(NewBBSet.begin(), NewBBSet.end()); -    addBasicBlock(NewBBSucc, NewBBSuccSet); -  } +  if (NewBBI != end()) +    addBasicBlock(NewBBSucc, NewBBI->second);    // If NewBB dominates NewBBSucc, then DF(NewBB) is now going to be the    // DF(NewBBSucc) without the stuff that the new block does not dominate  | 

