make DOTGraphTraits public, patch by Tobias Grosser!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84396 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 63 insertions, 61 deletions

diff --git a/include/llvm/Analysis/CFGPrinter.h b/include/llvm/Analysis/CFGPrinter.h
index 6a479d199c..435f8ea484 100644
--- a/include/llvm/Analysis/CFGPrinter.h
+++ b/include/llvm/Analysis/CFGPrinter.h
@@ -15,6 +15,67 @@
 #ifndef LLVM_ANALYSIS_CFGPRINTER_H
 #define LLVM_ANALYSIS_CFGPRINTER_H
 
+#include "llvm/Function.h"
+#include "llvm/Instructions.h"
+#include "llvm/Assembly/Writer.h"
+#include "llvm/Support/CFG.h"
+#include "llvm/Support/GraphWriter.h"
+
+namespace llvm {
+template<>
+struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits {
+  static std::string getGraphName(const Function *F) {
+    return "CFG for '" + F->getNameStr() + "' function";
+  }
+
+  static std::string getNodeLabel(const BasicBlock *Node,
+                                  const Function *Graph,
+                                  bool ShortNames) {
+    if (ShortNames && !Node->getName().empty())
+      return Node->getNameStr() + ":";
+
+    std::string Str;
+    raw_string_ostream OS(Str);
+
+    if (ShortNames) {
+      WriteAsOperand(OS, Node, false);
+      return OS.str();
+    }
+
+    if (Node->getName().empty()) {
+      WriteAsOperand(OS, Node, false);
+      OS << ":";
+    }
+
+    OS << *Node;
+    std::string OutStr = OS.str();
+    if (OutStr[0] == '\n') OutStr.erase(OutStr.begin());
+
+    // Process string output to make it nicer...
+    for (unsigned i = 0; i != OutStr.length(); ++i)
+      if (OutStr[i] == '\n') {                            // Left justify
+        OutStr[i] = '\\';
+        OutStr.insert(OutStr.begin()+i+1, 'l');
+      } else if (OutStr[i] == ';') {                      // Delete comments!
+        unsigned Idx = OutStr.find('\n', i+1);            // Find end of line
+        OutStr.erase(OutStr.begin()+i, OutStr.begin()+Idx);
+        --i;
+      }
+
+    return OutStr;
+  }
+
+  static std::string getEdgeSourceLabel(const BasicBlock *Node,
+                                        succ_const_iterator I) {
+    // Label source of conditional branches with "T" or "F"
+    if (const BranchInst *BI = dyn_cast<BranchInst>(Node->getTerminator()))
+      if (BI->isConditional())
+        return (I == succ_begin(Node)) ? "T" : "F";
+    return "";
+  }
+};
+} // End llvm namespace
+
 namespace llvm {
   class FunctionPass;
   FunctionPass *createCFGPrinterPass ();
diff --git a/lib/Analysis/CFGPrinter.cpp b/lib/Analysis/CFGPrinter.cpp
index 6fed4005d1..08f070c9be 100644
--- a/lib/Analysis/CFGPrinter.cpp
+++ b/lib/Analysis/CFGPrinter.cpp
@@ -17,71 +17,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Function.h"
-#include "llvm/Instructions.h"
-#include "llvm/Pass.h"
 #include "llvm/Analysis/CFGPrinter.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/Support/CFG.h"
+
+#include "llvm/Pass.h"
 #include "llvm/Support/Compiler.h"
-#include "llvm/Support/GraphWriter.h"
 using namespace llvm;
 
-namespace llvm {
-template<>
-struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits {
-  static std::string getGraphName(const Function *F) {
-    return "CFG for '" + F->getNameStr() + "' function";
-  }
-
-  static std::string getNodeLabel(const BasicBlock *Node,
-                                  const Function *Graph,
-                                  bool ShortNames) {
-    if (ShortNames && !Node->getName().empty())
-      return Node->getNameStr() + ":";
-
-    std::string Str;
-    raw_string_ostream OS(Str);
-
-    if (ShortNames) {
-      WriteAsOperand(OS, Node, false);
-      return OS.str();
-    }
-
-    if (Node->getName().empty()) {
-      WriteAsOperand(OS, Node, false);
-      OS << ":";
-    }
-    
-    OS << *Node;
-    std::string OutStr = OS.str();
-    if (OutStr[0] == '\n') OutStr.erase(OutStr.begin());
-
-    // Process string output to make it nicer...
-    for (unsigned i = 0; i != OutStr.length(); ++i)
-      if (OutStr[i] == '\n') {                            // Left justify
-        OutStr[i] = '\\';
-        OutStr.insert(OutStr.begin()+i+1, 'l');
-      } else if (OutStr[i] == ';') {                      // Delete comments!
-        unsigned Idx = OutStr.find('\n', i+1);            // Find end of line
-        OutStr.erase(OutStr.begin()+i, OutStr.begin()+Idx);
-        --i;
-      }
-
-    return OutStr;
-  }
-
-  static std::string getEdgeSourceLabel(const BasicBlock *Node,
-                                        succ_const_iterator I) {
-    // Label source of conditional branches with "T" or "F"
-    if (const BranchInst *BI = dyn_cast<BranchInst>(Node->getTerminator()))
-      if (BI->isConditional())
-        return (I == succ_begin(Node)) ? "T" : "F";
-    return "";
-  }
-};
-}
-
 namespace {
   struct VISIBILITY_HIDDEN CFGViewer : public FunctionPass {
     static char ID; // Pass identifcation, replacement for typeid