llvm/llvm/lib/Analysis/DomPrinter.cpp

//===- DomPrinter.cpp - DOT printer for the dominance trees    ------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file defines '-dot-dom' and '-dot-postdom' analysis passes, which emit
// a dom.<fnname>.dot or postdom.<fnname>.dot file for each function in the
// program, with a graph of the dominance/postdominance tree of that
// function.
//
// There are also passes available to directly call dotty ('-view-dom' or
// '-view-postdom'). By appending '-only' like '-dot-dom-only' only the
// names of the bbs are printed, but the content is hidden.
//
//===----------------------------------------------------------------------===//

#include "llvm/Analysis/DomPrinter.h"
#include "llvm/Analysis/DOTGraphTraitsPass.h"
#include "llvm/Analysis/PostDominators.h"
#include "llvm/InitializePasses.h"

usingnamespacellvm;


void DominatorTree::viewGraph(const Twine &Name, const Twine &Title) { … }

void DominatorTree::viewGraph() { … }

namespace {
struct LegacyDominatorTreeWrapperPassAnalysisGraphTraits { … };

struct DomViewerWrapperPass
    : public DOTGraphTraitsViewerWrapperPass<
          DominatorTreeWrapperPass, false, DominatorTree *,
          LegacyDominatorTreeWrapperPassAnalysisGraphTraits> { … };

struct DomOnlyViewerWrapperPass
    : public DOTGraphTraitsViewerWrapperPass<
          DominatorTreeWrapperPass, true, DominatorTree *,
          LegacyDominatorTreeWrapperPassAnalysisGraphTraits> { … };

struct LegacyPostDominatorTreeWrapperPassAnalysisGraphTraits { … };

struct PostDomViewerWrapperPass
    : public DOTGraphTraitsViewerWrapperPass<
          PostDominatorTreeWrapperPass, false, PostDominatorTree *,
          LegacyPostDominatorTreeWrapperPassAnalysisGraphTraits> { … };

struct PostDomOnlyViewerWrapperPass
    : public DOTGraphTraitsViewerWrapperPass<
          PostDominatorTreeWrapperPass, true, PostDominatorTree *,
          LegacyPostDominatorTreeWrapperPassAnalysisGraphTraits> { … };
} // end anonymous namespace

char DomViewerWrapperPass::ID = …;
INITIALIZE_PASS(…)

char DomOnlyViewerWrapperPass::ID = …;
INITIALIZE_PASS(…)

char PostDomViewerWrapperPass::ID = …;
INITIALIZE_PASS(…)

char PostDomOnlyViewerWrapperPass::ID = …;
INITIALIZE_PASS(…)

namespace {
struct DomPrinterWrapperPass
    : public DOTGraphTraitsPrinterWrapperPass<
          DominatorTreeWrapperPass, false, DominatorTree *,
          LegacyDominatorTreeWrapperPassAnalysisGraphTraits> { … };

struct DomOnlyPrinterWrapperPass
    : public DOTGraphTraitsPrinterWrapperPass<
          DominatorTreeWrapperPass, true, DominatorTree *,
          LegacyDominatorTreeWrapperPassAnalysisGraphTraits> { … };

struct PostDomPrinterWrapperPass
    : public DOTGraphTraitsPrinterWrapperPass<
          PostDominatorTreeWrapperPass, false, PostDominatorTree *,
          LegacyPostDominatorTreeWrapperPassAnalysisGraphTraits> { … };

struct PostDomOnlyPrinterWrapperPass
    : public DOTGraphTraitsPrinterWrapperPass<
          PostDominatorTreeWrapperPass, true, PostDominatorTree *,
          LegacyPostDominatorTreeWrapperPassAnalysisGraphTraits> { … };
} // end anonymous namespace

char DomPrinterWrapperPass::ID = …;
INITIALIZE_PASS(…)

char DomOnlyPrinterWrapperPass::ID = …;
INITIALIZE_PASS(…)

char PostDomPrinterWrapperPass::ID = …;
INITIALIZE_PASS(…)

char PostDomOnlyPrinterWrapperPass::ID = …;
INITIALIZE_PASS(…)

// Create methods available outside of this file, to use them
// "include/llvm/LinkAllPasses.h". Otherwise the pass would be deleted by
// the link time optimization.

FunctionPass *llvm::createDomPrinterWrapperPassPass() { … }

FunctionPass *llvm::createDomOnlyPrinterWrapperPassPass() { … }

FunctionPass *llvm::createDomViewerWrapperPassPass() { … }

FunctionPass *llvm::createDomOnlyViewerWrapperPassPass() { … }

FunctionPass *llvm::createPostDomPrinterWrapperPassPass() { … }

FunctionPass *llvm::createPostDomOnlyPrinterWrapperPassPass() { … }

FunctionPass *llvm::createPostDomViewerWrapperPassPass() { … }

FunctionPass *llvm::createPostDomOnlyViewerWrapperPassPass() { … }