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This uses the new layout of the upstream repository, which was recently migrated to GitHub, and converted into a "monorepo". That is, most of the earlier separate sub-projects with their own branches and tags were consolidated into one top-level directory, and are now branched and tagged together.
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
//===-- lib/CodeGen/GlobalISel/GISelChangeObserver.cpp --------------------===//
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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 constains common code to combine machine functions at generic
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// level.
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
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#include "llvm/CodeGen/MachineRegisterInfo.h"
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using namespace llvm;
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void GISelChangeObserver::changingAllUsesOfReg(
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const MachineRegisterInfo &MRI, unsigned Reg) {
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for (auto &ChangingMI : MRI.use_instructions(Reg)) {
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changingInstr(ChangingMI);
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ChangingAllUsesOfReg.insert(&ChangingMI);
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}
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}
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void GISelChangeObserver::finishedChangingAllUsesOfReg() {
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for (auto *ChangedMI : ChangingAllUsesOfReg)
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changedInstr(*ChangedMI);
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ChangingAllUsesOfReg.clear();
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}
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RAIIDelegateInstaller::RAIIDelegateInstaller(MachineFunction &MF,
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MachineFunction::Delegate *Del)
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: MF(MF), Delegate(Del) {
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// Register this as the delegate for handling insertions and deletions of
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// instructions.
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MF.setDelegate(Del);
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}
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RAIIDelegateInstaller::~RAIIDelegateInstaller() { MF.resetDelegate(Delegate); }
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