diff options
Diffstat (limited to 'lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | lib/CodeGen/MachineInstr.cpp | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index 2e3f73fbaa..85440ae954 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/lib/CodeGen/MachineInstr.cpp @@ -46,7 +46,8 @@ MachineInstr::SetMachineOperand(unsigned int i, { assert(i < operands.size()); operands[i].Initialize(operandType, _val); - operands[i].isDef = isdef; + operands[i].isDef = isdef || + TargetInstrDescriptors[opCode].resultPos == (int) i; } void @@ -56,7 +57,8 @@ MachineInstr::SetMachineOperand(unsigned int i, { assert(i < operands.size()); operands[i].InitializeConst(operandType, intValue); - operands[i].isDef = isdef; + operands[i].isDef = isdef || + TargetInstrDescriptors[opCode].resultPos == (int) i; } void @@ -65,7 +67,8 @@ MachineInstr::SetMachineOperand(unsigned int i, { assert(i < operands.size()); operands[i].InitializeReg(regNum); - operands[i].isDef = isdef; + operands[i].isDef = isdef || + TargetInstrDescriptors[opCode].resultPos == (int) i; } void @@ -249,9 +252,9 @@ Set3OperandsFromInstrJUNK(MachineInstr* minstr, // If operand 3 (result) can be discarded, use a dead register if one exists if (canDiscardResult && target.zeroRegNum >= 0) - minstr->SetMachineOperand(resultPosition, target.zeroRegNum, true); + minstr->SetMachineOperand(resultPosition, target.zeroRegNum); else - minstr->SetMachineOperand(resultPosition, MachineOperand::MO_VirtualRegister, vmInstrNode->getValue(), true); + minstr->SetMachineOperand(resultPosition, MachineOperand::MO_VirtualRegister, vmInstrNode->getValue()); return returnFlags; } @@ -281,9 +284,9 @@ Set3OperandsFromInstr(MachineInstr* minstr, // result operand: if it can be discarded, use a dead register if one exists if (canDiscardResult && target.zeroRegNum >= 0) - minstr->SetMachineOperand(resultPosition, target.zeroRegNum, true); + minstr->SetMachineOperand(resultPosition, target.zeroRegNum); else - minstr->SetMachineOperand(resultPosition, MachineOperand::MO_VirtualRegister, vmInstrNode->getValue(), true); + minstr->SetMachineOperand(resultPosition, MachineOperand::MO_VirtualRegister, vmInstrNode->getValue()); } |