/// getOperandConstraint - Returns the value of the specific constraint if
/// it is set. Returns -1 if it is not set.
int getOperandConstraint(MachineOpCode Opcode, unsigned OpNum,
- OperandConstraint Constraint) {
+ OperandConstraint Constraint) const {
assert(OpNum < get(Opcode).numOperands &&
"Invalid operand # of TargetInstrInfo");
if (get(Opcode).OpInfo[OpNum].Constraints & (1 << Constraint)) {
return -1;
}
+ /// getTiedToSrcOperand - Returns the operand that is tied to the specified
+ /// dest operand. Returns -1 if there isn't one.
+ int getTiedToSrcOperand(MachineOpCode Opcode, unsigned OpNum) const;
+
/// getDWARF_LABELOpcode - Return the opcode of the target's DWARF_LABEL
/// instruction if it has one. This is used by codegen passes that update
/// DWARF line number info as they modify the code.