+inline const MachineInstrBuilder &addLeaRegOffset(const MachineInstrBuilder &MIB,
+ unsigned Reg, bool isKill,
+ int Offset) {
+ return addLeaOffset(MIB.addReg(Reg, getKillRegState(isKill)), Offset);
+}
+
+/// addRegReg - This function is used to add a memory reference of the form:
+/// [Reg + Reg].
+inline const MachineInstrBuilder &addRegReg(const MachineInstrBuilder &MIB,
+ unsigned Reg1, bool isKill1,
+ unsigned Reg2, bool isKill2) {
+ return MIB.addReg(Reg1, getKillRegState(isKill1)).addImm(1)
+ .addReg(Reg2, getKillRegState(isKill2)).addImm(0);
+}
+
+inline const MachineInstrBuilder &addLeaAddress(const MachineInstrBuilder &MIB,
+ const X86AddressMode &AM) {
+ assert (AM.Scale == 1 || AM.Scale == 2 || AM.Scale == 4 || AM.Scale == 8);
+
+ if (AM.BaseType == X86AddressMode::RegBase)
+ MIB.addReg(AM.Base.Reg);
+ else if (AM.BaseType == X86AddressMode::FrameIndexBase)
+ MIB.addFrameIndex(AM.Base.FrameIndex);
+ else
+ assert (0);
+ MIB.addImm(AM.Scale).addReg(AM.IndexReg);
+ if (AM.GV)
+ return MIB.addGlobalAddress(AM.GV, AM.Disp, AM.GVOpFlags);
+ else
+ return MIB.addImm(AM.Disp);
+}
+
+inline const MachineInstrBuilder &addFullAddress(const MachineInstrBuilder &MIB,
+ const X86AddressMode &AM) {
+ return addLeaAddress(MIB, AM).addReg(0);
+}
+
+/// addFrameReference - This function is used to add a reference to the base of
+/// an abstract object on the stack frame of the current function. This
+/// reference has base register as the FrameIndex offset until it is resolved.
+/// This allows a constant offset to be specified as well...
+///
+inline const MachineInstrBuilder &
+addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0) {
+ MachineInstr *MI = MIB;
+ MachineFunction &MF = *MI->getParent()->getParent();
+ MachineFrameInfo &MFI = *MF.getFrameInfo();
+ const TargetInstrDesc &TID = MI->getDesc();
+ unsigned Flags = 0;
+ if (TID.mayLoad())
+ Flags |= MachineMemOperand::MOLoad;
+ if (TID.mayStore())
+ Flags |= MachineMemOperand::MOStore;
+ MachineMemOperand MMO(PseudoSourceValue::getFixedStack(FI),
+ Flags,
+ MFI.getObjectOffset(FI) + Offset,
+ MFI.getObjectSize(FI),
+ MFI.getObjectAlignment(FI));
+ return addOffset(MIB.addFrameIndex(FI), Offset)
+ .addMemOperand(MMO);
+}
+
+/// addConstantPoolReference - This function is used to add a reference to the
+/// base of a constant value spilled to the per-function constant pool. The
+/// reference uses the abstract ConstantPoolIndex which is retained until
+/// either machine code emission or assembly output. In PIC mode on x86-32,
+/// the GlobalBaseReg parameter can be used to make this a
+/// GlobalBaseReg-relative reference.
+///
+inline const MachineInstrBuilder &
+addConstantPoolReference(const MachineInstrBuilder &MIB, unsigned CPI,
+ unsigned GlobalBaseReg, unsigned char OpFlags) {
+ //FIXME: factor this
+ return MIB.addReg(GlobalBaseReg).addImm(1).addReg(0)
+ .addConstantPoolIndex(CPI, 0, OpFlags).addReg(0);
+}
+
+} // End llvm namespace
+