Remove the DW_AT_MIPS_linkage name attribute when we don't need it

output (we're emitting a specification already and the information
isn't changing).

Saves 1% on the debug information for a build of llvm.

Fixes rdar://11043421

llvm-svn: 152697

1 files changed, 5 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index af99f6ba4da..63194948f4d 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -1007,11 +1007,6 @@ DIE *CompileUnit::getOrCreateSubprogramDIE(DISubprogram SP) {
   // Add function template parameters.
   addTemplateParams(*SPDie, SP.getTemplateParams());
 
-  StringRef LinkageName = SP.getLinkageName();
-  if (!LinkageName.empty())
-    addString(SPDie, dwarf::DW_AT_MIPS_linkage_name,
-              getRealLinkageName(LinkageName));
-
   // If this DIE is going to refer declaration info using AT_specification
   // then there is no need to add other attributes.
   if (DeclDie) {
@@ -1022,6 +1017,11 @@ DIE *CompileUnit::getOrCreateSubprogramDIE(DISubprogram SP) {
     return SPDie;
   }
 
+  StringRef LinkageName = SP.getLinkageName();
+  if (!LinkageName.empty())
+    addString(SPDie, dwarf::DW_AT_MIPS_linkage_name,
+              getRealLinkageName(LinkageName));
+
   // Constructors and operators for anonymous aggregates do not have names.
   if (!SP.getName().empty())
     addString(SPDie, dwarf::DW_AT_name, SP.getName());