bdf77209b9
Summary: This is patch is part of a series to introduce an Alignment type. See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html See this patch for the introduction of the type: https://reviews.llvm.org/D64790 Reviewers: courbet Subscribers: jyknight, sdardis, nemanjai, hiraditya, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, MaskRay, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, jfb, PkmX, jocewei, Jim, lenary, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D77059
46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
//===-- SystemZInstrBuilder.h - Functions to aid building 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 handle SystemZ'isms in a clean way.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZINSTRBUILDER_H
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#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZINSTRBUILDER_H
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#include "llvm/CodeGen/MachineFrameInfo.h"
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#include "llvm/CodeGen/MachineInstrBuilder.h"
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#include "llvm/CodeGen/MachineMemOperand.h"
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#include "llvm/CodeGen/PseudoSourceValue.h"
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namespace llvm {
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/// Add a BDX memory reference for frame object FI to MIB.
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static inline const MachineInstrBuilder &
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addFrameReference(const MachineInstrBuilder &MIB, int FI) {
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MachineInstr *MI = MIB;
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MachineFunction &MF = *MI->getParent()->getParent();
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MachineFrameInfo &MFFrame = MF.getFrameInfo();
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const MCInstrDesc &MCID = MI->getDesc();
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auto Flags = MachineMemOperand::MONone;
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if (MCID.mayLoad())
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Flags |= MachineMemOperand::MOLoad;
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if (MCID.mayStore())
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Flags |= MachineMemOperand::MOStore;
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int64_t Offset = 0;
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MachineMemOperand *MMO = MF.getMachineMemOperand(
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MachinePointerInfo::getFixedStack(MF, FI, Offset), Flags,
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MFFrame.getObjectSize(FI), MFFrame.getObjectAlign(FI));
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return MIB.addFrameIndex(FI).addImm(Offset).addReg(0).addMemOperand(MMO);
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}
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} // end namespace llvm
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#endif
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