Use the transferSuccessors helper function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52495 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-06-19 17:22:29 +00:00
parent f3dc70092c
commit 04478e56f7

View File

@ -381,11 +381,7 @@ MachineBasicBlock *BranchFolder::SplitMBBAt(MachineBasicBlock &CurMBB,
CurMBB.getParent()->getBasicBlockList().insert(++MBBI, NewMBB);
// Move all the successors of this block to the specified block.
while (!CurMBB.succ_empty()) {
MachineBasicBlock *S = *(CurMBB.succ_end()-1);
NewMBB->addSuccessor(S);
CurMBB.removeSuccessor(S);
}
NewMBB->transferSuccessors(&CurMBB);
// Add an edge from CurMBB to NewMBB for the fall-through.
CurMBB.addSuccessor(NewMBB);