Provie a clearner interface so that FE can decide whether a function has prototype or not.

llvm-svn: 115988

2 files changed, 9 insertions, 7 deletions

diff --git a/llvm/include/llvm/Analysis/DebugInfo.h b/llvm/include/llvm/Analysis/DebugInfo.h
index 8b4a4c184e8..26118c26bc8 100644
--- a/llvm/include/llvm/Analysis/DebugInfo.h
+++ b/llvm/include/llvm/Analysis/DebugInfo.h
@@ -55,7 +55,8 @@ namespace llvm {
       FlagBlockByrefStruct = 1 << 4,
       FlagVirtual          = 1 << 5,
       FlagArtificial       = 1 << 6,
-      FlagExplicit         = 1 << 7
+      FlagExplicit         = 1 << 7,
+      FlagPrototyped       = 1 << 8
     };
   protected:
     const MDNode *DbgNode;
@@ -422,6 +423,12 @@ namespace llvm {
         return false;
       return (getUnsignedField(14) & FlagExplicit) != 0;
     }
+    /// isPrototyped - Return true if this subprogram is prototyped.
+    bool isPrototyped() const    { 
+      if (getVersion() <= llvm::LLVMDebugVersion8)
+        return false;
+      return (getUnsignedField(14) & FlagPrototyped) != 0;
+    }
 
     unsigned isOptimized() const;
 
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index b2ae1a24c11..74fe8643ab3 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1059,8 +1059,6 @@ void DwarfDebug::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
     // Add prototype flag.
     if (isPrototyped)
       addUInt(&Buffer, dwarf::DW_AT_prototyped, dwarf::DW_FORM_flag, 1);
-
-
   }
     break;
   case dwarf::DW_TAG_structure_type:
@@ -1318,10 +1316,7 @@ DIE *DwarfDebug::createSubprogramDIE(DISubprogram SP) {
 
   addSourceLine(SPDie, SP);
 
-  // Add prototyped tag, if C or ObjC.
-  unsigned Lang = SP.getCompileUnit().getLanguage();
-  if (Lang == dwarf::DW_LANG_C99 || Lang == dwarf::DW_LANG_C89 ||
-      Lang == dwarf::DW_LANG_ObjC)
+  if (SP.isPrototyped()) 
     addUInt(SPDie, dwarf::DW_AT_prototyped, dwarf::DW_FORM_flag, 1);
 
   // Add Return Type.