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For PR798:

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Provide GraphViz support for MingW32. Patch provided by Anton Korobeynikov


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28688 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-06-05 16:26:06 +00:00
parent 515b5b379f
commit fcadfbbdef
1 changed files with 57 additions and 14 deletions
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69
lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
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@ -20,6 +20,7 @@
#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>
@ -126,9 +127,13 @@ 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() + ".dot");
Filename.appendComponent("dag." + getMachineFunction().getFunction()->getName() + "." + pathsuff + ".dot");
std::cerr << "Writing '" << Filename.toString() << "'... ";
std::ofstream F(Filename.toString().c_str());
@ -141,32 +146,70 @@ void SelectionDAG::viewGraph() {
F.close();
std::cerr << "\n";
#ifdef HAVE_GRAPHVIZ
#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 (system((LLVM_PATH_GRAPHVIZ " " + Filename.toString()).c_str())) {
if (sys::Program::ExecuteAndWait(Graphviz, &args[0])) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
} else {
Filename.eraseFromDisk();
return;
}
#endif // HAVE_GRAPHVIZ
#ifdef HAVE_GV
std::cerr << "Running 'dot' program... " << std::flush;
#elif (HAVE_GV && HAVE_DOT)
sys::Path PSFilename = TempDir;
PSFilename.appendComponent("dag.tempgraph.ps");
if (system(("dot -Tps -Nfontname=Courier -Gsize=7.5,10 " + Filename.toString()
+ " > " + PSFilename.toString()).c_str())) {
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";
system((LLVM_PATH_GV " " + PSFilename.toString()).c_str());
system((LLVM_PATH_GV " "+TempDir.toString()+ "dag.tempgraph.ps").c_str());
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;
#endif // HAVE_GV
#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 << "SelectionDAG::viewGraph is only available in debug builds on "
<< "systems with Graphviz or gv!\n";