llvm/llvm/lib/CodeGen/MachineLoopUtils.cpp

//=- MachineLoopUtils.cpp - Functions for manipulating loops ----------------=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/MachineLoopUtils.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
usingnamespacellvm;

namespace {
// MI's parent and BB are clones of each other. Find the equivalent copy of MI
// in BB.
MachineInstr &findEquivalentInstruction(MachineInstr &MI,
                                        MachineBasicBlock *BB) { … }
} // namespace

MachineBasicBlock *llvm::PeelSingleBlockLoop(LoopPeelDirection Direction,
                                             MachineBasicBlock *Loop,
                                             MachineRegisterInfo &MRI,
                                             const TargetInstrInfo *TII) { … }