If the Graphviz program is available, use it to visualize dot graphs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22429 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-07-14 01:10:55 +00:00
parent 6fb0d735f0
commit f1a2f15ed3

View File

@ -116,10 +116,19 @@ void SelectionDAG::viewGraph() {
F.close();
std::cerr << "\n";
#ifdef HAVE_GRAPHVIZ
std::cerr << "Running 'Graphviz' program... " << std::flush;
if (system(("Graphviz " + Filename).c_str())) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
} else {
return;
}
#endif
std::cerr << "Running 'dot' program... " << std::flush;
if (system(("dot -Tps -Nfontname=Courier -Gsize=7.5,10 " + Filename
+ " > /tmp/dag.tempgraph.ps").c_str())) {
std::cerr << "Error running dot: 'dot' not in path?\n";
std::cerr << "Error viewing graph: 'dot' not in path?\n";
} else {
std::cerr << "\n";
system("gv /tmp/dag.tempgraph.ps");