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Better interface to generating machine instr for common cases 

(many places still need to be updated to use this interface).

llvm-svn: 2648
This commit is contained in:
Vikram S. Adve 2002-05-19 15:40:41 +00:00
parent a98ff36ec1
commit d379fe042a
1 changed files with 127 additions and 0 deletions
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127
llvm/include/llvm/CodeGen/InstrSelectionSupport.h
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@ -92,6 +92,133 @@ void Set3OperandsFromInstr (MachineInstr* minstr,
int resultPosition = 2);
//------------------------------------------------------------------------
// Common machine instruction operand combinations
// to simplify code generation.
//------------------------------------------------------------------------
inline MachineInstr*
Create1OperandInstr(MachineOpCode opCode, Value* argVal1)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandVal(0, MachineOperand::MO_VirtualRegister, argVal1);
return M;
}
inline MachineInstr*
Create2OperandInstr(MachineOpCode opCode, Value* argVal1, Value* argVal2)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandVal(0, MachineOperand::MO_VirtualRegister, argVal1);
M->SetMachineOperandVal(1, MachineOperand::MO_VirtualRegister, argVal2);
return M;
}
inline MachineInstr*
Create2OperandInstr_UImmed(MachineOpCode opCode,
unsigned int unextendedImmed, Value* argVal2)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandConst(0, MachineOperand::MO_UnextendedImmed,
unextendedImmed);
M->SetMachineOperandVal(1, MachineOperand::MO_VirtualRegister, argVal2);
return M;
}
inline MachineInstr*
Create2OperandInstr_SImmed(MachineOpCode opCode,
int signExtendedImmed, Value* argVal2)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandConst(0, MachineOperand::MO_SignExtendedImmed,
signExtendedImmed);
M->SetMachineOperandVal(1, MachineOperand::MO_VirtualRegister, argVal2);
return M;
}
inline MachineInstr*
Create3OperandInstr(MachineOpCode opCode,
Value* argVal1, MachineOperand::MachineOperandType type1,
Value* argVal2, MachineOperand::MachineOperandType type2,
Value* argVal3, MachineOperand::MachineOperandType type3)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandVal(0, type1, argVal1);
M->SetMachineOperandVal(1, type2, argVal2);
M->SetMachineOperandVal(2, type3, argVal3);
return M;
}
inline MachineInstr*
Create3OperandInstr(MachineOpCode opCode, Value* argVal1,
Value* argVal2, Value* argVal3)
{
return Create3OperandInstr(opCode,
argVal1, MachineOperand::MO_VirtualRegister,
argVal2, MachineOperand::MO_VirtualRegister,
argVal3, MachineOperand::MO_VirtualRegister);
}
inline MachineInstr*
Create3OperandInstr_UImmed(MachineOpCode opCode, Value* argVal1,
unsigned int unextendedImmed, Value* argVal3)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandVal(0, MachineOperand::MO_VirtualRegister, argVal1);
M->SetMachineOperandConst(1, MachineOperand::MO_UnextendedImmed,
unextendedImmed);
M->SetMachineOperandVal(2, MachineOperand::MO_VirtualRegister, argVal3);
return M;
}
inline MachineInstr*
Create3OperandInstr_SImmed(MachineOpCode opCode, Value* argVal1,
int signExtendedImmed, Value* argVal3)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandVal(0, MachineOperand::MO_VirtualRegister, argVal1);
M->SetMachineOperandConst(1, MachineOperand::MO_SignExtendedImmed,
signExtendedImmed);
M->SetMachineOperandVal(2, MachineOperand::MO_VirtualRegister, argVal3);
return M;
}
inline MachineInstr*
Create3OperandInstr_Reg(MachineOpCode opCode, Value* argVal1,
unsigned int regNum, Value* argVal3)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandVal(0, MachineOperand::MO_VirtualRegister, argVal1);
M->SetMachineOperandReg(1, regNum);
M->SetMachineOperandVal(2, MachineOperand::MO_VirtualRegister, argVal3);
return M;
}
inline MachineInstr*
Create3OperandInstr_Reg(MachineOpCode opCode, unsigned int regNum1,
unsigned int regNum2, Value* argVal3)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandReg(0, regNum1);
M->SetMachineOperandReg(1, regNum2);
M->SetMachineOperandVal(2, MachineOperand::MO_VirtualRegister, argVal3);
return M;
}
inline MachineInstr*
Create3OperandInstr_Reg(MachineOpCode opCode, unsigned int regNum1,
unsigned int regNum2, unsigned int regNum3)
{
MachineInstr* M = new MachineInstr(opCode);
M->SetMachineOperandReg(0, regNum1);
M->SetMachineOperandReg(1, regNum2);
M->SetMachineOperandReg(2, regNum3);
return M;
}
//---------------------------------------------------------------------------
// Function: ChooseRegOrImmed
//