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/IR/DIBuilder.cpp

diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp
index 6c274da..758e7cf 100644
--- a/lib/IR/DIBuilder.cpp
+++ b/lib/IR/DIBuilder.cpp
@@ -530,15 +530,14 @@
   return DITemplateTypeParameter(MDNode::get(VMContext, Elts));
 }
 
-/// createTemplateValueParameter - Create debugging information for template
-/// value parameter.
 DITemplateValueParameter
-DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name,
-                                        DIType Ty, Value *Val,
-                                        MDNode *File, unsigned LineNo,
+DIBuilder::createTemplateValueParameter(unsigned Tag, DIDescriptor Context,
+                                        StringRef Name, DIType Ty,
+                                        Value *Val, MDNode *File,
+                                        unsigned LineNo,
                                         unsigned ColumnNo) {
   Value *Elts[] = {
-    GetTagConstant(VMContext, dwarf::DW_TAG_template_value_parameter),
+    GetTagConstant(VMContext, Tag),
     getNonCompileUnitScope(Context),
     MDString::get(VMContext, Name),
     Ty,
@@ -550,6 +549,38 @@
   return DITemplateValueParameter(MDNode::get(VMContext, Elts));
 }
 
+/// createTemplateValueParameter - Create debugging information for template
+/// value parameter.
+DITemplateValueParameter
+DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name,
+                                        DIType Ty, Value *Val,
+                                        MDNode *File, unsigned LineNo,
+                                        unsigned ColumnNo) {
+  return createTemplateValueParameter(dwarf::DW_TAG_template_value_parameter,
+                                      Context, Name, Ty, Val, File, LineNo,
+                                      ColumnNo);
+}
+
+DITemplateValueParameter
+DIBuilder::createTemplateTemplateParameter(DIDescriptor Context, StringRef Name,
+                                           DIType Ty, StringRef Val,
+                                           MDNode *File, unsigned LineNo,
+                                           unsigned ColumnNo) {
+  return createTemplateValueParameter(
+      dwarf::DW_TAG_GNU_template_template_param, Context, Name, Ty,
+      MDString::get(VMContext, Val), File, LineNo, ColumnNo);
+}
+
+DITemplateValueParameter
+DIBuilder::createTemplateParameterPack(DIDescriptor Context, StringRef Name,
+                                       DIType Ty, DIArray Val,
+                                       MDNode *File, unsigned LineNo,
+                                       unsigned ColumnNo) {
+  return createTemplateValueParameter(dwarf::DW_TAG_GNU_template_parameter_pack,
+                                      Context, Name, Ty, Val, File, LineNo,
+                                      ColumnNo);
+}
+
 /// createClassType - Create debugging information entry for a class.
 DICompositeType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
                                            DIFile File, unsigned LineNumber,

lib/IR/DebugInfo.cpp

diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index 7c23a87..77e29e6 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -292,7 +292,9 @@
 /// isTemplateValueParameter - Return true if the specified tag is
 /// DW_TAG_template_value_parameter.
 bool DIDescriptor::isTemplateValueParameter() const {
-  return DbgNode && getTag() == dwarf::DW_TAG_template_value_parameter;
+  return DbgNode && (getTag() == dwarf::DW_TAG_template_value_parameter ||
+                     getTag() == dwarf::DW_TAG_GNU_template_template_param ||
+                     getTag() == dwarf::DW_TAG_GNU_template_parameter_pack);
 }
 
 /// isCompileUnit - Return true if the specified tag is DW_TAG_compile_unit.