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 24 namespace 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 /// 31 static inline const MachineInstrBuilder& 32 addFrameReference(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