llvm/llvm/lib/Target/BPF/BPFIRPeephole.cpp

//===------------ BPFIRPeephole.cpp - IR Peephole Transformation ----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// IR level peephole optimization, specifically removing @llvm.stacksave() and
// @llvm.stackrestore().
//
//===----------------------------------------------------------------------===//

#include "BPF.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/User.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"

#define DEBUG_TYPE …

usingnamespacellvm;

namespace {

static bool BPFIRPeepholeImpl(Function &F) { … }
} // End anonymous namespace

PreservedAnalyses BPFIRPeepholePass::run(Function &F,
                                         FunctionAnalysisManager &AM) { … }