#include <vector>
class Value;
class Function;
+class MachineBasicBlock;
typedef int MachineOpCode;
/// MachineInstr ctor - This constructor only does a _reserve_ of the
/// operands, not a resize for them. It is expected that if you use this that
/// you call add* methods below to fill up the operands, instead of the Set
- /// methods.
+ /// methods. Eventually, the "resizing" ctors will be phased out.
///
MachineInstr(MachineOpCode Opcode, unsigned numOperands, bool XX, bool YY);
- //
- // Support to rewrite a machine instruction in place: for now, simply
- // replace() and then set new operands with Set.*Operand methods below.
- //
+ /// MachineInstr ctor - Work exactly the same as the ctor above, except that
+ /// the MachineInstr is created and added to the end of the specified basic
+ /// block.
+ ///
+ MachineInstr(MachineBasicBlock *MBB, MachineOpCode Opcode, unsigned numOps);
+
+
+ /// replace - Support to rewrite a machine instruction in place: for now,
+ /// simply replace() and then set new operands with Set.*Operand methods
+ /// below.
+ ///
void replace(MachineOpCode Opcode, unsigned numOperands);
- //
// The opcode.
//
+ const MachineOpCode getOpcode() const { return opCode; }
const MachineOpCode getOpCode() const { return opCode; }
//
return MachineInstrBuilder(new MachineInstr(Opcode, NumOperands, true, true));
}
-#if 0
-inline MachineInstrBuilder BuildMI(MBasicBlock *BB, MachineOpCode Opcode,
- unsigned DestReg = 0) {
- return MachineInstrBuilder(new MachineInstr(BB, Opcode, DestReg));
+inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB, MachineOpCode Opcode,
+ unsigned NumOperands) {
+ return MachineInstrBuilder(new MachineInstr(BB, Opcode, NumOperands));
}
-#endif
-
+
#endif