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Get rid of the EdgeMapping map. Instead, just check for BasicBlock

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changes before doing phi lowering for switches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102809 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-05-01 00:01:06 +00:00
parent 0456b06191
commit af1d8ca44a
32 changed files with 82 additions and 168 deletions
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8
lib/Target/PIC16/PIC16ISelLowering.cpp
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@@ -1902,8 +1902,7 @@ SDValue PIC16TargetLowering::LowerSELECT_CC(SDValue Op,
MachineBasicBlock *
PIC16TargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *BB,
DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const {
MachineBasicBlock *BB) const {
const TargetInstrInfo &TII = *getTargetMachine().getInstrInfo();
unsigned CC = (PIC16CC::CondCodes)MI->getOperand(3).getImm();
DebugLoc dl = MI->getDebugLoc();
@@ -1931,12 +1930,9 @@ PIC16TargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
// Update machine-CFG edges by first adding all successors of the current
// block to the new block which will contain the Phi node for the select.
// Also inform sdisel of the edge changes.
for (MachineBasicBlock::succ_iterator I = BB->succ_begin(),
E = BB->succ_end(); I != E; ++I) {
EM->insert(std::make_pair(*I, sinkMBB));
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())