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Add support for other GraphViz display tools. This can help

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with very large graphs, where dot isn't necessarily the 
most visually pleasing way of looking at the graph.

llvm-svn: 75144
This commit is contained in:
David Greene
2009-07-09 17:06:18 +00:00
parent 5df1bced69
commit 4417b4c80b
4 changed files with 126 additions and 9 deletions
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54
llvm/lib/Support/GraphWriter.cpp
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@@ -18,7 +18,8 @@
#include "llvm/Config/config.h"
using namespace llvm;
void llvm::DisplayGraph(const sys::Path &Filename, bool wait) {
void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
GraphProgram::Name program) {
std::string ErrMsg;
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
@@ -35,15 +36,56 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait) {
else {
Filename.eraseFromDisk();
}
#elif (HAVE_GV && (HAVE_DOT || HAVE_FDP))
#elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
HAVE_TWOPI || HAVE_CIRCO))
sys::Path PSFilename = Filename;
PSFilename.appendSuffix("ps");
sys::Path prog;
// Set default grapher
#if HAVE_CIRCO
prog = sys::Path(LLVM_PATH_CIRCO);
#endif
#if HAVE_TWOPI
prog = sys::Path(LLVM_PATH_TWOPI);
#endif
#if HAVE_NEATO
prog = sys::Path(LLVM_PATH_NEATO);
#endif
#if HAVE_FDP
sys::Path prog(LLVM_PATH_FDP);
#else
sys::Path prog(LLVM_PATH_DOT);
prog = sys::Path(LLVM_PATH_FDP);
#endif
#if HAVE_DOT
prog = sys::Path(LLVM_PATH_DOT);
#endif
// Find which program the user wants
#if HAVE_DOT
if (program == GraphProgram::DOT) {
prog = sys::Path(LLVM_PATH_DOT);
}
#endif
#if (HAVE_FDP)
if (program == GraphProgram::FDP) {
prog = sys::Path(LLVM_PATH_FDP);
}
#endif
#if (HAVE_NEATO)
if (program == GraphProgram::NEATO) {
prog = sys::Path(LLVM_PATH_NEATO);
}
#endif
#if (HAVE_TWOPI)
if (program == GraphProgram::TWOPI) {
prog = sys::Path(LLVM_PATH_TWOPI);
}
#endif
#if (HAVE_CIRCO)
if (program == GraphProgram::CIRCO) {
prog = sys::Path(LLVM_PATH_CIRCO);
}
#endif
std::vector<const char*> args;