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add moveBefore/moveAfter helper methods

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31145 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-10-24 00:02:26 +00:00
parent 2a4dd68535
commit c585a3f62a
1 changed files with 12 additions and 0 deletions
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12
lib/CodeGen/MachineBasicBlock.cpp
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@@ -120,6 +120,18 @@ void MachineBasicBlock::print(std::ostream &OS) const {
} }
} }
void MachineBasicBlock::moveBefore(MachineBasicBlock *NewAfter) {
MachineFunction::BasicBlockListType &BBList =getParent()->getBasicBlockList();
getParent()->getBasicBlockList().splice(NewAfter, BBList, this);
}
void MachineBasicBlock::moveAfter(MachineBasicBlock *NewBefore) {
MachineFunction::BasicBlockListType &BBList =getParent()->getBasicBlockList();
MachineFunction::iterator BBI = NewBefore;
getParent()->getBasicBlockList().splice(++BBI, BBList, this);
}
void MachineBasicBlock::addSuccessor(MachineBasicBlock *succ) { void MachineBasicBlock::addSuccessor(MachineBasicBlock *succ) {
Successors.push_back(succ); Successors.push_back(succ);
succ->addPredecessor(this); succ->addPredecessor(this);