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For PR801:

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Refactor the Graph writing code to use a common implementation which is
now in lib/Support/GraphWriter.cpp. This completes the PR.

Patch by Anton Korobeynikov. Thanks, Anton!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28925 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-06-27 16:49:46 +00:00
parent f9b238e93d
commit 9d5b532de9
6 changed files with 156 additions and 364 deletions
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58
include/llvm/Support/GraphWriter.h
View File

@ -25,8 +25,10 @@
#include "llvm/Support/DOTGraphTraits.h"
#include "llvm/ADT/GraphTraits.h"
#include "llvm/System/Path.h"
#include <vector>
#include <iostream>
#include <fstream>
namespace llvm {
@ -59,6 +61,8 @@ namespace DOT { // Private functions...
}
}
void DisplayGraph(const sys::Path& Filename);
template<typename GraphType>
class GraphWriter {
std::ostream &O;
@ -236,6 +240,60 @@ std::ostream &WriteGraph(std::ostream &O, const GraphType &G,
return O;
}
template<typename GraphType>
sys::Path WriteGraph(const GraphType &G,
const std::string& Name,
const std::string& Title = "") {
sys::Path Filename = sys::Path::GetTemporaryDirectory();;
Filename.appendComponent(Name + ".dot");
Filename.makeUnique();
std::cerr << "Writing '" << Filename << "'... ";
std::ofstream O(Filename.c_str());
if (O.good()) {
// Start the graph emission process...
GraphWriter<GraphType> W(O, G);
// Output the header for the graph...
W.writeHeader(Title);
// Emit all of the nodes in the graph...
W.writeNodes();
// Output any customizations on the graph
DOTGraphTraits<GraphType>::addCustomGraphFeatures(G, W);
// Output the end of the graph
W.writeFooter();
std::cerr << " done. \n";
O.close();
} else {
std::cerr << "error opening file for writing!\n";
Filename.clear();
}
return Filename;
}
/// ViewGraph - Emit a dot graph, run 'dot', run gv on the postscript file,
/// then cleanup. For use from the debugger.
///
template<typename GraphType>
void ViewGraph(const GraphType& G,
const std::string& Name,
const std::string& Title = "") {
sys::Path Filename = WriteGraph(G, Name, Title);
if (Filename.isEmpty()) {
return;
}
DisplayGraph(Filename);
}
} // End llvm namespace
#endif

96
lib/Analysis/CFGPrinter.cpp
View File

@ -24,8 +24,6 @@
#include "llvm/Assembly/Writer.h"
#include "llvm/Support/CFG.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
#include "llvm/Config/config.h"
#include <sstream>
#include <fstream>
@ -140,99 +138,7 @@ namespace {
/// being a 'dot' and 'gv' program in your path.
///
void Function::viewCFG() const {
#ifndef NDEBUG
char pathsuff[9];
sprintf(pathsuff, "%06u", unsigned(rand()));
sys::Path TempDir = sys::Path::GetTemporaryDirectory();
sys::Path Filename = TempDir;
Filename.appendComponent("cfg" + getName() + "." + pathsuff + ".dot");
std::cerr << "Writing '" << Filename << "'... ";
std::ofstream F(Filename.c_str());
if (!F.good()) {
std::cerr << " error opening file for writing!\n";
return;
}
WriteGraph(F, this);
F.close();
std::cerr << "\n";
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
std::vector<const char*> args;
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'Graphviz' program... " << std::flush;
if (sys::Program::ExecuteAndWait(Graphviz, &args[0])) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
} else {
Filename.eraseFromDisk();
return;
}
#elif (HAVE_GV && HAVE_DOT)
sys::Path PSFilename = TempDir;
PSFilename.appendComponent(std::string("cfg.tempgraph") + "." + pathsuff + ".ps");
sys::Path dot(LLVM_PATH_DOT);
std::vector<const char*> args;
args.push_back(dot.c_str());
args.push_back("-Tps");
args.push_back("-Nfontname=Courier");
args.push_back("-Gsize=7.5,10");
args.push_back(Filename.c_str());
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
std::cerr << "Running 'dot' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dot, &args[0])) {
std::cerr << "Error viewing graph: 'dot' not in path?\n";
} else {
std::cerr << "\n";
sys::Path gv(LLVM_PATH_GV);
args.clear();
args.push_back(gv.c_str());
args.push_back(PSFilename.c_str());
args.push_back(0);
sys::Program::ExecuteAndWait(gv, &args[0]);
}
Filename.eraseFromDisk();
PSFilename.eraseFromDisk();
return;
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
std::vector<const char*> args;
args.push_back(dotty.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'dotty' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dotty, &args[0])) {
std::cerr << "Error viewing graph: 'dotty' not in path?\n";
} else {
#ifndef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
Filename.eraseFromDisk();
#endif
return;
}
#endif
#endif // NDEBUG
std::cerr << "Function::viewCFG is only available in debug builds on "
<< "systems with Graphviz or gv or dotty!\n";
#ifndef NDEBUG
Filename.eraseFromDisk();
TempDir.eraseFromDisk(true);
#endif
ViewGraph(this, "cfg" + getName());
}
/// viewCFGOnly - This function is meant for use from the debugger. It works

87
lib/Analysis/DataStructure/Printer.cpp
View File

@ -19,8 +19,6 @@
#include "llvm/Assembly/Writer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Config/config.h"
#include <fstream>
@ -259,90 +257,7 @@ void DSGraph::writeGraphToFile(std::ostream &O,
/// then cleanup. For use from the debugger.
///
void DSGraph::viewGraph() const {
char pathsuff[9];
sprintf(pathsuff, "%06u", unsigned(rand()));
sys::Path TempDir = sys::Path::GetTemporaryDirectory();
sys::Path Filename = TempDir;
Filename.appendComponent("ds.tempgraph." + std::string(pathsuff) + ".dot");
std::cerr << "Writing '" << Filename << "'... ";
std::ofstream F(Filename.c_str());
if (!F.good()) {
std::cerr << " error opening file for writing!\n";
return;
}
print(F);
F.close();
std::cerr << "\n";
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
std::vector<const char*> args;
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'Graphviz' program... " << std::flush;
if (sys::Program::ExecuteAndWait(Graphviz, &args[0])) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
} else {
Filename.eraseFromDisk();
return;
}
#elif (HAVE_GV && HAVE_DOT)
sys::Path PSFilename = TempDir;
PSFilename.appendComponent(std::string("ds.tempgraph") + "." + pathsuff + ".ps");
sys::Path dot(LLVM_PATH_DOT);
std::vector<const char*> args;
args.push_back(dot.c_str());
args.push_back("-Tps");
args.push_back("-Nfontname=Courier");
args.push_back("-Gsize=7.5,10");
args.push_back(Filename.c_str());
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
std::cerr << "Running 'dot' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dot, &args[0])) {
std::cerr << "Error viewing graph: 'dot' not in path?\n";
} else {
std::cerr << "\n";
sys::Path gv(LLVM_PATH_GV);
args.clear();
args.push_back(gv.c_str());
args.push_back(PSFilename.c_str());
args.push_back(0);
sys::Program::ExecuteAndWait(gv, &args[0]);
}
Filename.eraseFromDisk();
PSFilename.eraseFromDisk();
return;
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
std::vector<const char*> args;
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'dotty' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dotty, &args[0])) {
std::cerr << "Error viewing graph: 'dotty' not in path?\n";
} else {
#ifndef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
Filename.eraseFromDisk();
#endif
return;
}
#endif
Filename.eraseFromDisk();
TempDir.eraseFromDisk(true);
ViewGraph(this, "ds.tempgraph", "DataStructures");
}

96
lib/CodeGen/MachineFunction.cpp
View File

@ -27,8 +27,6 @@
#include "llvm/Instructions.h"
#include "llvm/Support/LeakDetector.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
#include "llvm/Config/config.h"
#include <fstream>
#include <iostream>
@ -220,97 +218,11 @@ namespace llvm {
void MachineFunction::viewCFG() const
{
#ifndef NDEBUG
char pathsuff[9];
sprintf(pathsuff, "%06u", unsigned(rand()));
sys::Path TempDir = sys::Path::GetTemporaryDirectory();
sys::Path Filename = TempDir;
Filename.appendComponent("mf" + getFunction()->getName() + "." + pathsuff + ".dot");
std::cerr << "Writing '" << Filename << "'... ";
std::ofstream F(Filename.c_str());
if (!F) {
std::cerr << " error opening file for writing!\n";
return;
}
WriteGraph(F, this);
F.close();
std::cerr << "\n";
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
std::vector<const char*> args;
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'Graphviz' program... " << std::flush;
if (sys::Program::ExecuteAndWait(Graphviz, &args[0])) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
} else {
Filename.eraseFromDisk();
return;
}
#elif (HAVE_GV && HAVE_DOT)
sys::Path PSFilename = TempDir;
PSFilename.appendComponent(std::string("mf.tempgraph") + "." + pathsuff + ".ps");
sys::Path dot(LLVM_PATH_DOT);
std::vector<const char*> args;
args.push_back(dot.c_str());
args.push_back("-Tps");
args.push_back("-Nfontname=Courier");
args.push_back("-Gsize=7.5,10");
args.push_back(Filename.c_str());
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
std::cerr << "Running 'dot' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dot, &args[0])) {
std::cerr << "Error viewing graph: 'dot' not in path?\n";
} else {
std::cerr << "\n";
sys::Path gv(LLVM_PATH_GV);
args.clear();
args.push_back(gv.c_str());
args.push_back(PSFilename.c_str());
args.push_back(0);
sys::Program::ExecuteAndWait(gv, &args[0]);
}
Filename.eraseFromDisk();
PSFilename.eraseFromDisk();
return;
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
std::vector<const char*> args;
args.push_back(dotty.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'dotty' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dotty, &args[0])) {
std::cerr << "Error viewing graph: 'dotty' not in path?\n";
} else {
#ifndef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
Filename.eraseFromDisk();
#endif
return;
}
#endif
#endif // NDEBUG
std::cerr << "MachineFunction::viewCFG is only available in debug builds on "
ViewGraph(this, "mf" + getFunction()->getName());
#else
std::cerr << "SelectionDAG::viewGraph is only available in debug builds on "
<< "systems with Graphviz or gv!\n";
#ifndef NDEBUG
Filename.eraseFromDisk();
TempDir.eraseFromDisk(true);
#endif
#endif // NDEBUG
}
void MachineFunction::viewCFGOnly() const

94
lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
View File

@ -19,8 +19,6 @@
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/config.h"
#include <fstream>
@ -127,95 +125,9 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
void SelectionDAG::viewGraph() {
// This code is only for debugging!
#ifndef NDEBUG
char pathsuff[9];
sprintf(pathsuff, "%06u", unsigned(rand()));
sys::Path TempDir = sys::Path::GetTemporaryDirectory();
sys::Path Filename = TempDir;
Filename.appendComponent("dag." + getMachineFunction().getFunction()->getName() + "." + pathsuff + ".dot");
std::cerr << "Writing '" << Filename.toString() << "'... ";
std::ofstream F(Filename.toString().c_str());
if (!F) {
std::cerr << " error opening file for writing!\n";
return;
}
WriteGraph(F, this);
F.close();
std::cerr << "\n";
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
std::vector<const char*> args;
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'Graphviz' program... " << std::flush;
if (sys::Program::ExecuteAndWait(Graphviz, &args[0])) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
} else {
Filename.eraseFromDisk();
return;
}
#elif (HAVE_GV && HAVE_DOT)
sys::Path PSFilename = TempDir;
PSFilename.appendComponent(std::string("dag.tempgraph") + "." + pathsuff + ".ps");
sys::Path dot(LLVM_PATH_DOT);
std::vector<const char*> args;
args.push_back(dot.c_str());
args.push_back("-Tps");
args.push_back("-Nfontname=Courier");
args.push_back("-Gsize=7.5,10");
args.push_back(Filename.c_str());
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
std::cerr << "Running 'dot' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dot, &args[0])) {
std::cerr << "Error viewing graph: 'dot' not in path?\n";
} else {
std::cerr << "\n";
sys::Path gv(LLVM_PATH_GV);
args.clear();
args.push_back(gv.c_str());
args.push_back(PSFilename.c_str());
args.push_back(0);
sys::Program::ExecuteAndWait(gv, &args[0]);
}
Filename.eraseFromDisk();
PSFilename.eraseFromDisk();
return;
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
std::vector<const char*> args;
args.push_back(dotty.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'dotty' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dotty, &args[0])) {
std::cerr << "Error viewing graph: 'dotty' not in path?\n";
} else {
#ifndef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
Filename.eraseFromDisk();
#endif
return;
}
#endif
#endif // NDEBUG
ViewGraph(this, "dag." + getMachineFunction().getFunction()->getName());
#else
std::cerr << "SelectionDAG::viewGraph is only available in debug builds on "
<< "systems with Graphviz or gv!\n";
#ifndef NDEBUG
Filename.eraseFromDisk();
TempDir.eraseFromDisk(true);
#endif
#endif // NDEBUG
}

89
lib/Support/GraphWriter.cpp Normal file
View File

@ -0,0 +1,89 @@
//===-- GraphWriter.cpp - Implements GraphWriter support routines ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements misc. GraphWriter support routines.
//
//===----------------------------------------------------------------------===//
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
#include "llvm/Config/config.h"
#include <iostream>
using namespace llvm;
namespace llvm {
void DisplayGraph(const sys::Path& Filename)
{
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
std::vector<const char*> args;
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'Graphviz' program... " << std::flush;
if (sys::Program::ExecuteAndWait(Graphviz, &args[0])) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
}
#elif (HAVE_GV && HAVE_DOT)
sys::Path PSFilename = Filename;
PSFilename.appendSuffix("ps");
sys::Path dot(LLVM_PATH_DOT);
std::vector<const char*> args;
args.push_back(dot.c_str());
args.push_back("-Tps");
args.push_back("-Nfontname=Courier");
args.push_back("-Gsize=7.5,10");
args.push_back(Filename.c_str());
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
std::cerr << "Running 'dot' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dot, &args[0])) {
std::cerr << "Error viewing graph: 'dot' not in path?\n";
} else {
std::cerr << " done. \n";
sys::Path gv(LLVM_PATH_GV);
args.clear();
args.push_back(gv.c_str());
args.push_back(PSFilename.c_str());
args.push_back(0);
sys::Program::ExecuteAndWait(gv, &args[0]);
}
PSFilename.eraseFromDisk();
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
std::vector<const char*> args;
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'dotty' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dotty, &args[0])) {
std::cerr << "Error viewing graph: 'dotty' not in path?\n";
} else {
#ifdef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns.
return;
#endif
}
#endif
Filename.eraseFromDisk();
}
} // End llvm namespace