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Added graphviz/gv support for MF.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23700 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2005-10-12 12:09:05 +00:00
parent 11acc44e66
commit 851a22db2b
1 changed files with 22 additions and 0 deletions
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22
lib/CodeGen/MachineFunction.cpp
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@ -25,6 +25,7 @@
#include "llvm/Instructions.h"
#include "llvm/Support/LeakDetector.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/Config/config.h"
#include <fstream>
#include <iostream>
#include <sstream>
@ -206,6 +207,7 @@ namespace llvm {
void MachineFunction::viewCFG() const
{
#ifndef NDEBUG
std::string Filename = "/tmp/cfg." + getFunction()->getName() + ".dot";
std::cerr << "Writing '" << Filename << "'... ";
std::ofstream F(Filename.c_str());
@ -219,6 +221,17 @@ void MachineFunction::viewCFG() const
F.close();
std::cerr << "\n";
#ifdef HAVE_GRAPHVIZ
std::cerr << "Running 'Graphviz' program... " << std::flush;
if (system((LLVM_PATH_GRAPHVIZ " " + Filename).c_str())) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
} else {
system(("rm " + Filename).c_str());
return;
}
#endif // HAVE_GRAPHVIZ
#ifdef HAVE_GV
std::cerr << "Running 'dot' program... " << std::flush;
if (system(("dot -Tps -Nfontname=Courier -Gsize=7.5,10 " + Filename
+ " > /tmp/cfg.tempgraph.ps").c_str())) {
@ -228,6 +241,15 @@ void MachineFunction::viewCFG() const
system("gv /tmp/cfg.tempgraph.ps");
}
system(("rm " + Filename + " /tmp/cfg.tempgraph.ps").c_str());
return;
#endif // HAVE_GV
#endif // NDEBUG
std::cerr << "MachineFunction::viewCFG is only available in debug builds on "
<< "systems with Graphviz or gv!\n";
#ifndef NDEBUG
system(("rm " + Filename).c_str());
#endif
}
void MachineFunction::viewCFGOnly() const