Add support to describe template value parameter in debug info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124755 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DIBuilder.cpp b/lib/Analysis/DIBuilder.cpp
index 14147b8..c1072df 100644
--- a/lib/Analysis/DIBuilder.cpp
+++ b/lib/Analysis/DIBuilder.cpp
@@ -282,6 +282,27 @@
array_lengthof(Elts)));
}
+/// CreateTemplateValueParameter - Create debugging information for template
+/// value parameter.
+DITemplateValueParameter
+DIBuilder::CreateTemplateValueParameter(DIDescriptor Context, StringRef Name,
+ DIType Ty, uint64_t Val,
+ MDNode *File, unsigned LineNo,
+ unsigned ColumnNo) {
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_template_value_parameter),
+ Context,
+ MDString::get(VMContext, Name),
+ Ty,
+ ConstantInt::get(Type::getInt64Ty(VMContext), Val),
+ File,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
+ };
+ return DITemplateValueParameter(MDNode::get(VMContext, &Elts[0],
+ array_lengthof(Elts)));
+}
+
/// CreateStructType - Create debugging information entry for a struct.
DIType DIBuilder::CreateStructType(DIDescriptor Context, StringRef Name,
DIFile File, unsigned LineNumber,
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 1aaa60e..5b786fa 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -227,6 +227,12 @@
return DbgNode && getTag() == dwarf::DW_TAG_template_type_parameter;
}
+/// 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;
+}
+
/// isCompileUnit - Return true if the specified tag is DW_TAG_compile_unit.
bool DIDescriptor::isCompileUnit() const {
return DbgNode && getTag() == dwarf::DW_TAG_compile_unit;
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 28c41f8..d8c15fb 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1161,6 +1161,9 @@
if (Element.isTemplateTypeParameter())
Buffer.addChild(getOrCreateTemplateTypeParameterDIE(
DITemplateTypeParameter(Element)));
+ else if (Element.isTemplateValueParameter())
+ Buffer.addChild(getOrCreateTemplateValueParameterDIE(
+ DITemplateValueParameter(Element)));
}
}
break;
@@ -1208,6 +1211,23 @@
return ParamDIE;
}
+/// getOrCreateTemplateValueParameterDIE - Find existing DIE or create new DIE
+/// for the given DITemplateValueParameter.
+DIE *
+DwarfDebug::getOrCreateTemplateValueParameterDIE(DITemplateValueParameter TPV) {
+ CompileUnit *TVCU = getCompileUnit(TPV);
+ DIE *ParamDIE = TVCU->getDIE(TPV);
+ if (ParamDIE)
+ return ParamDIE;
+
+ ParamDIE = new DIE(dwarf::DW_TAG_template_value_parameter);
+ addType(ParamDIE, TPV.getType());
+ addString(ParamDIE, dwarf::DW_AT_name, dwarf::DW_FORM_string, TPV.getName());
+ addUInt(ParamDIE, dwarf::DW_AT_const_value, dwarf::DW_FORM_udata,
+ TPV.getValue());
+ return ParamDIE;
+}
+
/// constructSubrangeDIE - Construct subrange DIE from DISubrange.
void DwarfDebug::constructSubrangeDIE(DIE &Buffer, DISubrange SR, DIE *IndexTy){
int64_t L = SR.getLo();
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 5d2fb5b..6a01e4b 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -53,6 +53,7 @@
class DISubrange;
class DICompositeType;
class DITemplateTypeParameter;
+class DITemplateValueParameter;
//===----------------------------------------------------------------------===//
/// SrcLineInfo - This class is used to record source line correspondence.
@@ -347,6 +348,10 @@
/// for the given DITemplateTypeParameter.
DIE *getOrCreateTemplateTypeParameterDIE(DITemplateTypeParameter TP);
+ /// getOrCreateTemplateValueParameterDIE - Find existing DIE or create new DIE
+ /// for the given DITemplateValueParameter.
+ DIE *getOrCreateTemplateValueParameterDIE(DITemplateValueParameter TVP);
+
void addPubTypes(DISubprogram SP);
/// constructTypeDIE - Construct basic type die from DIBasicType.