oc == Alpha::CPYSTs) {
// or r1, r2, r2
// cpys(s|t) r1 r2 r2
- assert(MI.getNumOperands() == 3 &&
+ assert(MI.getNumOperands() >= 3 &&
MI.getOperand(0).isRegister() &&
MI.getOperand(1).isRegister() &&
MI.getOperand(2).isRegister() &&
}
}
-void AlphaInstrInfo::InsertBranch(MachineBasicBlock &MBB,MachineBasicBlock *TBB,
+unsigned AlphaInstrInfo::InsertBranch(MachineBasicBlock &MBB,MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond)const{
assert(TBB && "InsertBranch must not be told to insert a fallthrough");
else
BuildMI(&MBB, get(Alpha::COND_BRANCH_F))
.addImm(Cond[0].getImm()).addReg(Cond[1].getReg()).addMBB(TBB);
- return;
+ return 1;
}
// Two-way Conditional Branch.
BuildMI(&MBB, get(Alpha::COND_BRANCH_F))
.addImm(Cond[0].getImm()).addReg(Cond[1].getReg()).addMBB(TBB);
BuildMI(&MBB, get(Alpha::BR)).addMBB(FBB);
+ return 2;
}
static unsigned AlphaRevCondCode(unsigned Opcode) {
return true;
}
-void AlphaInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
+unsigned AlphaInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
MachineBasicBlock::iterator I = MBB.end();
- if (I == MBB.begin()) return;
+ if (I == MBB.begin()) return 0;
--I;
if (I->getOpcode() != Alpha::BR &&
I->getOpcode() != Alpha::COND_BRANCH_I &&
I->getOpcode() != Alpha::COND_BRANCH_F)
- return;
+ return 0;
// Remove the branch.
I->eraseFromParent();
I = MBB.end();
- if (I == MBB.begin()) return;
+ if (I == MBB.begin()) return 1;
--I;
if (I->getOpcode() != Alpha::COND_BRANCH_I &&
I->getOpcode() != Alpha::COND_BRANCH_F)
- return;
+ return 1;
// Remove the branch.
I->eraseFromParent();
+ return 2;
}
void AlphaInstrInfo::insertNoop(MachineBasicBlock &MBB,