43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
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//===-- PPCInstrBuilder.h - Aides for building PPC insts --------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file exposes functions that may be used with BuildMI from the
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// MachineInstrBuilder.h file to simplify generating frame and constant pool
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// references.
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//
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// For reference, the order of operands for memory references is:
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// (Operand), Dest Reg, Base Reg, and either Reg Index or Immediate
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// Displacement.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_POWERPC_PPCINSTRBUILDER_H
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#define LLVM_LIB_TARGET_POWERPC_PPCINSTRBUILDER_H
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#include "llvm/CodeGen/MachineInstrBuilder.h"
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namespace llvm {
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/// addFrameReference - This function is used to add a reference to the base of
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/// an abstract object on the stack frame of the current function. This
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/// reference has base register as the FrameIndex offset until it is resolved.
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/// This allows a constant offset to be specified as well...
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///
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static inline const MachineInstrBuilder&
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addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0,
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bool mem = true) {
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if (mem)
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return MIB.addImm(Offset).addFrameIndex(FI);
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else
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return MIB.addFrameIndex(FI).addImm(Offset);
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}
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} // End llvm namespace
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#endif
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