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(Val: Offset).addFrameIndex(Idx: FI);
36 else
37 return MIB.addFrameIndex(Idx: FI).addImm(Val: Offset);
38}
39
40} // End llvm namespace
41
42#endif
43