Only add DW_AT_prototyped if we're working with a C-like language.

Worth another 45k (1%) off of a large C++ testcase.

rdar://10909458

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151144 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 3 deletions

diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index d215e922ec..51c635e268 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -780,8 +780,12 @@ void CompileUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
         Buffer.addChild(Arg);
       }
     }
-    // Add prototype flag.
-    if (isPrototyped)
+    // Add prototype flag if we're dealing with a C language and the
+    // function has been prototyped.
+    if (isPrototyped &&
+	(Language == dwarf::DW_LANG_C89 ||
+	 Language == dwarf::DW_LANG_C99 ||
+	 Language == dwarf::DW_LANG_ObjC))
       addUInt(&Buffer, dwarf::DW_AT_prototyped, dwarf::DW_FORM_flag, 1);
   }
     break;
@@ -1023,7 +1027,12 @@ DIE *CompileUnit::getOrCreateSubprogramDIE(DISubprogram SP) {
 
   addSourceLine(SPDie, SP);
 
-  if (SP.isPrototyped()) 
+  // Add the prototype if we have a prototype and we have a C like
+  // language.
+  if (SP.isPrototyped() &&
+      (Language == dwarf::DW_LANG_C89 ||
+       Language == dwarf::DW_LANG_C99 ||
+       Language == dwarf::DW_LANG_ObjC))
     addUInt(SPDie, dwarf::DW_AT_prototyped, dwarf::DW_FORM_flag, 1);
 
   // Add Return Type.