From cf099d11218cb6f6c5cce947d6738e347f07fb12 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 20 Feb 2011 12:57:14 +0000
Subject: Vendor import of llvm trunk r126079:
 http://llvm.org/svn/llvm-project/llvm/trunk@126079

---
 lib/Support/GraphWriter.cpp | 48 +++++++++++++++++++++++++++++++++------------
 1 file changed, 36 insertions(+), 12 deletions(-)

(limited to 'lib/Support/GraphWriter.cpp')

diff --git a/lib/Support/GraphWriter.cpp b/lib/Support/GraphWriter.cpp
index fdd6285a8c5e..0dba28a2530c 100644
--- a/lib/Support/GraphWriter.cpp
+++ b/lib/Support/GraphWriter.cpp
@@ -12,8 +12,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/GraphWriter.h"
-#include "llvm/System/Path.h"
-#include "llvm/System/Program.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
 #include "llvm/Config/config.h"
 using namespace llvm;
 
@@ -63,11 +63,37 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
   args.push_back(0);
   
   errs() << "Running 'Graphviz' program... ";
-  if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,0,&ErrMsg))
-    errs() << "Error viewing graph " << Filename.str() << ": " << ErrMsg
-           << "\n";
-  else
-    Filename.eraseFromDisk();
+  if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,0,&ErrMsg)) {
+    errs() << "Error: " << ErrMsg << "\n";
+    return;
+  }
+  Filename.eraseFromDisk();
+  errs() << " done. \n";
+
+#elif HAVE_XDOT_PY
+  std::vector<const char*> args;
+  args.push_back(LLVM_PATH_XDOT_PY);
+  args.push_back(Filename.c_str());
+
+  switch (program) {
+  case GraphProgram::DOT:   args.push_back("-f"); args.push_back("dot"); break;
+  case GraphProgram::FDP:   args.push_back("-f"); args.push_back("fdp"); break;
+  case GraphProgram::NEATO: args.push_back("-f"); args.push_back("neato");break;
+  case GraphProgram::TWOPI: args.push_back("-f"); args.push_back("twopi");break;
+  case GraphProgram::CIRCO: args.push_back("-f"); args.push_back("circo");break;
+  default: errs() << "Unknown graph layout name; using default.\n";
+  }
+  
+  args.push_back(0);
+
+  errs() << "Running 'xdot.py' program... ";
+  if (sys::Program::ExecuteAndWait(sys::Path(LLVM_PATH_XDOT_PY),
+                                   &args[0],0,0,0,0,&ErrMsg)) {
+    errs() << "Error: " << ErrMsg << "\n";
+    return;
+  }
+  Filename.eraseFromDisk();
+  errs() << " done. \n";
 
 #elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
                    HAVE_TWOPI || HAVE_CIRCO))
@@ -128,8 +154,7 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
   errs() << "Running '" << prog.str() << "' program... ";
 
   if (sys::Program::ExecuteAndWait(prog, &args[0], 0, 0, 0, 0, &ErrMsg)) {
-     errs() << "Error viewing graph " << Filename.str() << ": '"
-            << ErrMsg << "\n";
+    errs() << "Error: " << ErrMsg << "\n";
     return;
   }
   errs() << " done. \n";
@@ -144,7 +169,7 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
   ErrMsg.clear();
   if (wait) {
      if (sys::Program::ExecuteAndWait(gv, &args[0],0,0,0,0,&ErrMsg))
-        errs() << "Error viewing graph: " << ErrMsg << "\n";
+        errs() << "Error: " << ErrMsg << "\n";
      Filename.eraseFromDisk();
      PSFilename.eraseFromDisk();
   }
@@ -163,8 +188,7 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
   
   errs() << "Running 'dotty' program... ";
   if (sys::Program::ExecuteAndWait(dotty, &args[0],0,0,0,0,&ErrMsg)) {
-     errs() << "Error viewing graph " << Filename.str() << ": "
-            << ErrMsg << "\n";
+     errs() << "Error: " << ErrMsg << "\n";
   } else {
 // Dotty spawns another app and doesn't wait until it returns
 #if defined (__MINGW32__) || defined (_WINDOWS)
-- 
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