1//===-- PPCInstrBuilder.h - Aides for building PPC insts --------*- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file exposes functions that may be used with BuildMI from the 10// MachineInstrBuilder.h file to simplify generating frame and constant pool 11// references. 12// 13// For reference, the order of operands for memory references is: 14// (Operand), Dest Reg, Base Reg, and either Reg Index or Immediate 15// Displacement. 16// 17//===----------------------------------------------------------------------===// 18 19#ifndef LLVM_LIB_TARGET_POWERPC_PPCINSTRBUILDER_H 20#define LLVM_LIB_TARGET_POWERPC_PPCINSTRBUILDER_H 21 22#include "llvm/CodeGen/MachineInstrBuilder.h" 23 24namespace llvm { 25 26/// addFrameReference - This function is used to add a reference to the base of 27/// an abstract object on the stack frame of the current function. This 28/// reference has base register as the FrameIndex offset until it is resolved. 29/// This allows a constant offset to be specified as well... 30/// 31static inline const MachineInstrBuilder& 32addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0, 33 bool mem = true) { 34 if (mem) 35 return MIB.addImm(Offset).addFrameIndex(FI); 36 else 37 return MIB.addFrameIndex(FI).addImm(Offset); 38} 39 40} // End llvm namespace 41 42#endif 43