//===-- CodeGen/MachineInstBuilder.h - Simplify creation of MIs -*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This file exposes a function named BuildMI, which is useful for dramatically
// simplifying how MachineInstr's are created. Instead of using code like this:
//
-// M = new MachineInstr(X86::ADDrr32);
+// M = new MachineInstr(X86::ADDrr8);
// M->SetMachineOperandVal(0, MachineOperand::MO_VirtualRegister, argVal1);
// M->SetMachineOperandVal(1, MachineOperand::MO_VirtualRegister, argVal2);
//
/// Allow automatic conversion to the machine instruction we are working on.
///
operator MachineInstr*() const { return MI; }
+ operator MachineBasicBlock::iterator() const { return MI; }
/// addReg - Add a new virtual register operand...
///
MI->addMachineRegOperand(Reg, Ty);
return *this;
}
-
+
/// addImm - Add a new immediate operand.
///
const MachineInstrBuilder &addImm(int Val) const {
return *this;
}
+ /// addImm64 - Add a new 64-bit immediate operand...
+ ///
+ const MachineInstrBuilder &addImm64(uint64_t Val) const {
+ MI->addZeroExtImm64Operand(Val);
+ return *this;
+ }
+
const MachineInstrBuilder &addMBB(MachineBasicBlock *MBB) const {
MI->addMachineBasicBlockOperand(MBB);
return *this;
return *this;
}
- const MachineInstrBuilder &addConstantPoolIndex(unsigned Idx) const {
- MI->addConstantPoolIndexOperand(Idx);
+ const MachineInstrBuilder &addConstantPoolIndex(unsigned Idx,
+ int Offset = 0) const {
+ MI->addConstantPoolIndexOperand(Idx, Offset);
return *this;
}
const MachineInstrBuilder &addGlobalAddress(GlobalValue *GV,
- bool isPCRelative = false) const {
- MI->addGlobalAddressOperand(GV, isPCRelative);
+ bool isPCRelative = false,
+ int Offset = 0) const {
+ MI->addGlobalAddressOperand(GV, isPCRelative, Offset);
return *this;
}
- const MachineInstrBuilder &addExternalSymbol(const std::string &Name,
- bool isPCRelative = false) const{
- MI->addExternalSymbolOperand(Name, isPCRelative);
+ const MachineInstrBuilder &addExternalSymbol(const char *FnName,
+ bool isPCRelative = false) const{
+ MI->addExternalSymbolOperand(FnName, isPCRelative);
return *this;
}
};
return MachineInstrBuilder(new MachineInstr(Opcode, NumOperands, true, true));
}
-/// BuildMI - This version of the builder also sets up the first "operand" as a
+/// BuildMI - This version of the builder sets up the first operand as a
/// destination virtual register. NumOperands is the number of additional add*
-/// calls that are expected, it does not include the destination register.
+/// calls that are expected, not including the destination register.
///
inline MachineInstrBuilder BuildMI(
int Opcode, unsigned NumOperands,
true, true)).addReg(DestReg, useType);
}
-
-/// BuildMI - Insert the instruction before a specified location in the basic
-/// block.
+/// BuildMI - This version of the builder inserts the newly-built
+/// instruction before the given position in the given MachineBasicBlock, and
+/// sets up the first operand as a destination virtual register.
+/// NumOperands is the number of additional add* calls that are expected,
+/// not including the destination register.
+///
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
int Opcode, unsigned NumOperands,
return MachineInstrBuilder(MI).addReg(DestReg, MachineOperand::Def);
}
-/// BMI - A special BuildMI variant that takes an iterator to insert the
-/// instruction at as well as a basic block.
+/// BuildMI - This version of the builder inserts the newly-built
+/// instruction before the given position in the given MachineBasicBlock, and
+/// does NOT take a destination register.
+///
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
int Opcode, unsigned NumOperands) {
return MachineInstrBuilder(MI);
}
-/// BuildMI - This version of the builder inserts the built MachineInstr into
-/// the specified MachineBasicBlock.
+/// BuildMI - This version of the builder inserts the newly-built
+/// instruction at the end of the given MachineBasicBlock, and does NOT take a
+/// destination register.
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB, int Opcode,
unsigned NumOperands) {
return BuildMI(*BB, BB->end(), Opcode, NumOperands);
}
-/// BuildMI - This version of the builder inserts the built MachineInstr into
-/// the specified MachineBasicBlock, and also sets up the first "operand" as a
-/// destination virtual register. NumOperands is the number of additional add*
-/// calls that are expected, it does not include the destination register.
+/// BuildMI - This version of the builder inserts the newly-built
+/// instruction at the end of the given MachineBasicBlock, and sets up the first
+/// operand as a destination virtual register. NumOperands is the number of
+/// additional add* calls that are expected, not including the destination
+/// register.
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB, int Opcode,
unsigned NumOperands, unsigned DestReg) {