/// MachineInstr ctor - This constructor create a MachineInstr and add the
/// implicit operands. It reserves space for number of operands specified by
/// TargetInstrDescriptor.
- explicit MachineInstr(const TargetInstrDescriptor &TID);
+ explicit MachineInstr(const TargetInstrDescriptor &TID, bool NoImp = false);
/// 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
/// implicit operands. It reserves space for number of operands specified by
/// TargetInstrDescriptor or the numOperands if it is not zero. (for
/// instructions with variable number of operands).
-MachineInstr::MachineInstr(const TargetInstrDescriptor &tid)
+MachineInstr::MachineInstr(const TargetInstrDescriptor &tid, bool NoImp)
: TID(&tid), NumImplicitOps(0), parent(0) {
- if (TID->ImplicitDefs)
+ if (!NoImp && TID->ImplicitDefs)
for (const unsigned *ImpDefs = TID->ImplicitDefs; *ImpDefs; ++ImpDefs)
NumImplicitOps++;
- if (TID->ImplicitUses)
+ if (!NoImp && TID->ImplicitUses)
for (const unsigned *ImpUses = TID->ImplicitUses; *ImpUses; ++ImpUses)
NumImplicitOps++;
Operands.reserve(NumImplicitOps + TID->numOperands);
- addImplicitDefUseOperands();
+ if (!NoImp)
+ addImplicitDefUseOperands();
// Make sure that we get added to a machine basicblock
LeakDetector::addGarbageObject(this);
}