CrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find the active...

[oota-llvm.git] / include / llvm / Support / GraphWriter.h

diff --git a/include/llvm/Support/GraphWriter.h b/include/llvm/Support/GraphWriter.h
index 13e6682ebfd67373c3b582e5efccf931ee440fcd..f653f97e4edebd3d7482e63d5c8fc8e34c6e61d1 100644 (file)
--- a/include/llvm/Support/GraphWriter.h
+++ b/include/llvm/Support/GraphWriter.h
@@ -122,7 +122,20 @@ public:
     // Loop over the graph, printing it out...
     for (node_iterator I = GTraits::nodes_begin(G), E = GTraits::nodes_end(G);
          I != E; ++I)
-      writeNode(*I);
+      if (!isNodeHidden(*I))
+        writeNode(*I);
+  }
+
+  bool isNodeHidden(NodeType &Node) {
+    return isNodeHidden(&Node);
+  }
+
+  bool isNodeHidden(NodeType *const *Node) {
+    return isNodeHidden(*Node);
+  }
+
+  bool isNodeHidden(NodeType *Node) {
+    return DTraits.isNodeHidden(Node);
   }
 
   void writeNode(NodeType& Node) {
@@ -189,9 +202,11 @@ public:
     child_iterator EI = GTraits::child_begin(Node);
     child_iterator EE = GTraits::child_end(Node);
     for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i)
-      writeEdge(Node, i, EI);
+      if (!DTraits.isNodeHidden(*EI))
+        writeEdge(Node, i, EI);
     for (; EI != EE; ++EI)
-      writeEdge(Node, 64, EI);
+      if (!DTraits.isNodeHidden(*EI))
+        writeEdge(Node, 64, EI);
   }
 
   void writeEdge(NodeType *Node, unsigned edgeidx, child_iterator EI) {
@@ -256,6 +271,12 @@ public:
       O << "[" << Attrs << "]";
     O << ";\n";
   }
+
+  /// getOStream - Get the raw output stream into the graph file. Useful to
+  /// write fancy things using addCustomGraphFeatures().
+  raw_ostream &getOStream() {
+    return O;
+  }
 };
 
 template<typename GraphType>