MachineFunction *MF;
MachineInstr *MI;
public:
- MachineInstrBuilder() : MF(0), MI(0) {}
+ MachineInstrBuilder() : MF(nullptr), MI(nullptr) {}
/// Create a MachineInstrBuilder for manipulating an existing instruction.
/// F must be the machine function that was used to allocate I.
MI->addOperand(*MF, MachineOperand::CreateMetadata(MD));
return *this;
}
-
+
+ const MachineInstrBuilder &addCFIIndex(unsigned CFIIndex) const {
+ MI->addOperand(*MF, MachineOperand::CreateCFIIndex(CFIIndex));
+ return *this;
+ }
+
const MachineInstrBuilder &addSym(MCSymbol *Sym) const {
MI->addOperand(*MF, MachineOperand::CreateMCSymbol(Sym));
return *this;
return BuildMI(*BB, BB->end(), DL, MCID, DestReg);
}
+/// BuildMI - This version of the builder builds a DBG_VALUE intrinsic
+/// for either a value in a register or a register-indirect+offset
+/// address. The convention is that a DBG_VALUE is indirect iff the
+/// second operand is an immediate.
+///
+inline MachineInstrBuilder BuildMI(MachineFunction &MF,
+ DebugLoc DL,
+ const MCInstrDesc &MCID,
+ bool IsIndirect,
+ unsigned Reg,
+ unsigned Offset,
+ const MDNode *MD) {
+ if (IsIndirect)
+ return BuildMI(MF, DL, MCID)
+ .addReg(Reg, RegState::Debug)
+ .addImm(Offset)
+ .addMetadata(MD);
+ else {
+ assert(Offset == 0 && "A direct address cannot have an offset.");
+ return BuildMI(MF, DL, MCID)
+ .addReg(Reg, RegState::Debug)
+ .addReg(0U, RegState::Debug)
+ .addMetadata(MD);
+ }
+}
+
+/// BuildMI - This version of the builder builds a DBG_VALUE intrinsic
+/// for either a value in a register or a register-indirect+offset
+/// address and inserts it at position I.
+///
+inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
+ MachineBasicBlock::iterator I,
+ DebugLoc DL,
+ const MCInstrDesc &MCID,
+ bool IsIndirect,
+ unsigned Reg,
+ unsigned Offset,
+ const MDNode *MD) {
+ MachineFunction &MF = *BB.getParent();
+ MachineInstr *MI = BuildMI(MF, DL, MCID, IsIndirect, Reg, Offset, MD);
+ BB.insert(I, MI);
+ return MachineInstrBuilder(MF, MI);
+}
+
+
inline unsigned getDefRegState(bool B) {
return B ? RegState::Define : 0;
}