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Add support to describe template value parameter in debug info.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124755 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-02-02 22:35:53 +00:00
parent 7e2cb11655
commit e7d93877c6
6 changed files with 89 additions and 1 deletions
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18
include/llvm/Analysis/DIBuilder.h
View File

@ -39,6 +39,7 @@ namespace llvm {
class DILexicalBlock;
class DISubprogram;
class DITemplateTypeParameter;
class DITemplateValueParameter;
class DIBuilder {
private:
@ -198,7 +199,7 @@ namespace llvm {
/// CreateTemplateTypeParameter - Create debugging information for template
/// type parameter.
/// @param Scope Scope in which this type is dfiend
/// @param Scope Scope in which this type is defined.
/// @param Name Type parameter name.
/// @param Ty Parameter type.
/// @param File File where this type parameter is defined.
@ -209,6 +210,21 @@ namespace llvm {
MDNode *File = 0, unsigned LineNo = 0,
unsigned ColumnNo = 0);
/// CreateTemplateValueParameter - Create debugging information for template
/// value parameter.
/// @param Scope Scope in which this type is defined.
/// @param Name Value parameter name.
/// @param Ty Parameter type.
/// @param Value Constant parameter value.
/// @param File File where this type parameter is defined.
/// @param LineNo Line number.
/// @param ColumnNo Column Number.
DITemplateValueParameter
CreateTemplateValueParameter(DIDescriptor Scope, StringRef Name, DIType Ty,
uint64_t Value,
MDNode *File = 0, unsigned LineNo = 0,
unsigned ColumnNo = 0);
/// CreateArrayType - Create debugging information entry for an array.
/// @param Size Array size.
/// @param AlignInBits Alignment.

20
include/llvm/Analysis/DebugInfo.h
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@ -123,6 +123,7 @@ namespace llvm {
bool isGlobal() const;
bool isUnspecifiedParameter() const;
bool isTemplateTypeParameter() const;
bool isTemplateValueParameter() const;
};
/// DISubrange - This is used to represent ranges, for array bounds.
@ -387,6 +388,25 @@ namespace llvm {
unsigned getColumnNumber() const { return getUnsignedField(6); }
};
/// DITemplateValueParameter - This is a wrapper for template value parameter.
class DITemplateValueParameter : public DIDescriptor {
public:
explicit DITemplateValueParameter(const MDNode *N = 0) : DIDescriptor(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(1); }
StringRef getName() const { return getStringField(2); }
DIType getType() const { return getFieldAs<DIType>(3); }
uint64_t getValue() const { return getUInt64Field(4); }
StringRef getFilename() const {
return getFieldAs<DIFile>(5).getFilename();
}
StringRef getDirectory() const {
return getFieldAs<DIFile>(5).getDirectory();
}
unsigned getLineNumber() const { return getUnsignedField(6); }
unsigned getColumnNumber() const { return getUnsignedField(7); }
};
/// DISubprogram - This is a wrapper for a subprogram (e.g. a function).
class DISubprogram : public DIScope {
public:

21
lib/Analysis/DIBuilder.cpp
View File

@ -282,6 +282,27 @@ DIBuilder::CreateTemplateTypeParameter(DIDescriptor Context, StringRef Name,
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,

6
lib/Analysis/DebugInfo.cpp
View File

@ -227,6 +227,12 @@ bool DIDescriptor::isTemplateTypeParameter() const {
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;

20
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1161,6 +1161,9 @@ void DwarfDebug::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
if (Element.isTemplateTypeParameter())
Buffer.addChild(getOrCreateTemplateTypeParameterDIE(
DITemplateTypeParameter(Element)));
else if (Element.isTemplateValueParameter())
Buffer.addChild(getOrCreateTemplateValueParameterDIE(
DITemplateValueParameter(Element)));
}
}
break;
@ -1208,6 +1211,23 @@ DwarfDebug::getOrCreateTemplateTypeParameterDIE(DITemplateTypeParameter TP) {
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();

5
lib/CodeGen/AsmPrinter/DwarfDebug.h
View File

@ -53,6 +53,7 @@ class DINameSpace;
class DISubrange;
class DICompositeType;
class DITemplateTypeParameter;
class DITemplateValueParameter;
//===----------------------------------------------------------------------===//
/// SrcLineInfo - This class is used to record source line correspondence.
@ -347,6 +348,10 @@ private:
/// 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.