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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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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