[MC/AsmParser] Avoid setting MCSymbol.IsUsed in some cases

[oota-llvm.git] / include / llvm / Analysis / CFGPrinter.h

diff --git a/include/llvm/Analysis/CFGPrinter.h b/include/llvm/Analysis/CFGPrinter.h
index 759afcaee13277bb2ec8f8590e31ef737e1703db..035764837e6f017a3f22598c935770b5f95501b1 100644 (file)
--- a/include/llvm/Analysis/CFGPrinter.h
+++ b/include/llvm/Analysis/CFGPrinter.h
@@ -36,7 +36,9 @@ struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits {
     if (!Node->getName().empty())
       return Node->getName().str();
 
-    string_ostream OS;
+    std::string Str;
+    raw_string_ostream OS(Str);
+
     Node->printAsOperand(OS, false);
     return OS.str();
   }
@@ -44,7 +46,8 @@ struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits {
   static std::string getCompleteNodeLabel(const BasicBlock *Node,
                                           const Function *) {
     enum { MaxColumns = 80 };
-    string_ostream OS;
+    std::string Str;
+    raw_string_ostream OS(Str);
 
     if (Node->getName().empty()) {
       Node->printAsOperand(OS, false);
@@ -69,13 +72,13 @@ struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits {
         OutStr.erase(OutStr.begin()+i, OutStr.begin()+Idx);
         --i;
       } else if (ColNum == MaxColumns) {                  // Wrap lines.
-        if (LastSpace) {
-          OutStr.insert(LastSpace, "\\l...");
-          ColNum = i - LastSpace;
-          LastSpace = 0;
-          i += 3; // The loop will advance 'i' again.
-        }
-        // Else keep trying to find a space.
+        // Wrap very long names even though we can't find a space.
+        if (!LastSpace)
+          LastSpace = i;
+        OutStr.insert(LastSpace, "\\l...");
+        ColNum = i - LastSpace;
+        LastSpace = 0;
+        i += 3; // The loop will advance 'i' again.
       }
       else
         ++ColNum;
@@ -106,7 +109,8 @@ struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits {
 
       if (SuccNo == 0) return "def";
 
-      string_ostream OS;
+      std::string Str;
+      raw_string_ostream OS(Str);
       SwitchInst::ConstCaseIt Case =
           SwitchInst::ConstCaseIt::fromSuccessorIndex(SI, SuccNo);
       OS << Case.getCaseValue()->getValue();