commit e88939cfebbc98133553c6fc03a52b8fb1adbb70
author David Blaikie <dblaikie@gmail.com> Sat Jun 22 18:59:11 2013 +0000
committer David Blaikie <dblaikie@gmail.com> Sat Jun 22 18:59:11 2013 +0000
tree 77e225f969753e2ba81b5cd41f8c3980a446063d
parent 5b3fca50a08865f0db55fc92ad1c037a04e12177

DebugInfo: Support (using GNU extensions) for template template parameters and parameter packs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184643 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index 4c46543..aa30849 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -1087,7 +1087,8 @@
 
   ParamDIE = new DIE(dwarf::DW_TAG_template_type_parameter);
   addType(ParamDIE, TP.getType());
-  addString(ParamDIE, dwarf::DW_AT_name, TP.getName());
+  if (!TP.getName().empty())
+    addString(ParamDIE, dwarf::DW_AT_name, TP.getName());
   return ParamDIE;
 }
 
@@ -1099,7 +1100,7 @@
   if (ParamDIE)
     return ParamDIE;
 
-  ParamDIE = new DIE(dwarf::DW_TAG_template_value_parameter);
+  ParamDIE = new DIE(TPV.getTag());
   addType(ParamDIE, TPV.getType());
   if (!TPV.getName().empty())
     addString(ParamDIE, dwarf::DW_AT_name, TPV.getName());
@@ -1115,6 +1116,14 @@
       // parameter, rather than a pointer to it.
       addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_stack_value);
       addBlock(ParamDIE, dwarf::DW_AT_location, 0, Block);
+    } else if (TPV.getTag() == dwarf::DW_TAG_GNU_template_template_param) {
+      assert(isa<MDString>(Val));
+      addString(ParamDIE, dwarf::DW_AT_GNU_template_name,
+                cast<MDString>(Val)->getString());
+    } else if (TPV.getTag() == dwarf::DW_TAG_GNU_template_parameter_pack) {
+      assert(isa<MDNode>(Val));
+      DIArray A(cast<MDNode>(Val));
+      addTemplateParams(*ParamDIE, A);
     }
   }