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Use MachineBasicBlock::transferSuccessors.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52594 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-06-21 20:21:19 +00:00
parent 933e51c5e3
commit 0011dc4738
3 changed files with 7 additions and 21 deletions
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6
lib/Target/Alpha/AlphaISelLowering.cpp
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@ -662,11 +662,7 @@ AlphaTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *llscMBB = new MachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB);
for(MachineBasicBlock::succ_iterator i = thisMBB->succ_begin(),
e = thisMBB->succ_end(); i != e; ++i)
sinkMBB->addSuccessor(*i);
while(!thisMBB->succ_empty())
thisMBB->removeSuccessor(thisMBB->succ_begin());
sinkMBB->transferSuccessors(thisMBB);
MachineFunction *F = BB->getParent();
F->getBasicBlockList().insert(It, llscMBB);

11
lib/Target/PowerPC/PPCISelLowering.cpp
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@ -4018,15 +4018,10 @@ PPCTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineFunction *F = BB->getParent();
F->getBasicBlockList().insert(It, copy0MBB);
F->getBasicBlockList().insert(It, sinkMBB);
// Update machine-CFG edges by first adding all successors of the current
// Update machine-CFG edges by transferring all successors of the current
// block to the new block which will contain the Phi node for the select.
for(MachineBasicBlock::succ_iterator i = BB->succ_begin(),
e = BB->succ_end(); i != e; ++i)
sinkMBB->addSuccessor(*i);
// Next, remove all successors of the current block, and add the true
// and fallthrough blocks as its successors.
while(!BB->succ_empty())
BB->removeSuccessor(BB->succ_begin());
sinkMBB->transferSuccessors(BB);
// Next, add the true and fallthrough blocks as its successors.
BB->addSuccessor(copy0MBB);
BB->addSuccessor(sinkMBB);

11
lib/Target/Sparc/SparcISelLowering.cpp
View File

@ -920,15 +920,10 @@ SparcTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineFunction *F = BB->getParent();
F->getBasicBlockList().insert(It, copy0MBB);
F->getBasicBlockList().insert(It, sinkMBB);
// Update machine-CFG edges by first adding all successors of the current
// Update machine-CFG edges by transferring all successors of the current
// block to the new block which will contain the Phi node for the select.
for(MachineBasicBlock::succ_iterator i = BB->succ_begin(),
e = BB->succ_end(); i != e; ++i)
sinkMBB->addSuccessor(*i);
// Next, remove all successors of the current block, and add the true
// and fallthrough blocks as its successors.
while(!BB->succ_empty())
BB->removeSuccessor(BB->succ_begin());
sinkMBB->transferSuccessors(BB);
// Next, add the true and fallthrough blocks as its successors.
BB->addSuccessor(copy0MBB);
BB->addSuccessor(sinkMBB);