diff options
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index ecd22abe31..991be42e53 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -146,17 +146,11 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) { LV.addVirtualRegisterDead(regB, &*mbbi, prevMi); // replace all occurences of regB with regA - // and mark all uses and defs of regA as def&use for (unsigned i = 1; i < mi->getNumOperands(); ++i) { - MachineOperand& op = mi->getOperand(i); - if (op.isRegister()) { - if (op.getReg() == regB) - mi->SetMachineOperandReg(i, regA); - if (op.getReg() == regA) - op.setDef().setUse(); - } + if (mi->getOperand(i).isRegister() && + mi->getOperand(i).getReg() == regB) + mi->SetMachineOperandReg(i, regA); } - DEBUG(std::cerr << "\t\tmodified original to: "; mi->print(std::cerr, TM)); assert(mi->getOperand(0).getAllocatedRegNum() == |