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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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89
lib/Support/GraphWriter.cpp Normal file
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//===-- 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