llvm/llvm/lib/Transforms/Utils/EntryExitInstrumenter.cpp

//===- EntryExitInstrumenter.cpp - Function Entry/Exit Instrumentation ----===//
//
// 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/Transforms/Utils/EntryExitInstrumenter.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/InitializePasses.h"
#include "llvm/TargetParser/Triple.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Utils.h"

usingnamespacellvm;

static void insertCall(Function &CurFn, StringRef Func,
                       BasicBlock::iterator InsertionPt, DebugLoc DL) { … }

static bool runOnFunction(Function &F, bool PostInlining) { … }

namespace {
struct PostInlineEntryExitInstrumenter : public FunctionPass { … };
char PostInlineEntryExitInstrumenter::ID = …;
}

INITIALIZE_PASS_BEGIN(
    PostInlineEntryExitInstrumenter, "post-inline-ee-instrument",
    "Instrument function entry/exit with calls to e.g. mcount() "
    "(post inlining)",
    false, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
INITIALIZE_PASS_END(
    PostInlineEntryExitInstrumenter, "post-inline-ee-instrument",
    "Instrument function entry/exit with calls to e.g. mcount() "
    "(post inlining)",
    false, false)

FunctionPass *llvm::createPostInlineEntryExitInstrumenterPass() { … }

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

void llvm::EntryExitInstrumenterPass::printPipeline(
    raw_ostream &OS, function_ref<StringRef(StringRef)> MapClassName2PassName) { … }