//===----------------------------------------------------------------------===//
#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Target/TargetMachine.h" // FIXME: LAYERING VIOLATION!
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Intrinsics.h"
#include "llvm/Module.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/raw_ostream.h"
// DIDescriptor
//===----------------------------------------------------------------------===//
-/// ValidDebugInfo - Return true if V represents valid debug info value.
-/// FIXME : Add DIDescriptor.isValid()
-bool DIDescriptor::ValidDebugInfo(MDNode *N, unsigned OptLevel) {
- if (!N)
- return false;
+DIDescriptor::DIDescriptor(const DIFile F) : DbgNode(F.DbgNode) {
+}
- DIDescriptor DI(N);
+DIDescriptor::DIDescriptor(const DISubprogram F) : DbgNode(F.DbgNode) {
+}
- // Check current version. Allow Version7 for now.
- unsigned Version = DI.getVersion();
- if (Version != LLVMDebugVersion && Version != LLVMDebugVersion7)
- return false;
+DIDescriptor::DIDescriptor(const DILexicalBlock F) : DbgNode(F.DbgNode) {
+}
- switch (DI.getTag()) {
- case DW_TAG_variable:
- assert(DIVariable(N).Verify() && "Invalid DebugInfo value");
- break;
- case DW_TAG_compile_unit:
- assert(DICompileUnit(N).Verify() && "Invalid DebugInfo value");
- break;
- case DW_TAG_subprogram:
- assert(DISubprogram(N).Verify() && "Invalid DebugInfo value");
- break;
- case DW_TAG_lexical_block:
- // FIXME: This interfers with the quality of generated code during
- // optimization.
- if (OptLevel != CodeGenOpt::None)
- return false;
- // FALLTHROUGH
- default:
- break;
- }
+DIDescriptor::DIDescriptor(const DIVariable F) : DbgNode(F.DbgNode) {
+}
- return true;
+DIDescriptor::DIDescriptor(const DIType F) : DbgNode(F.DbgNode) {
}
-StringRef
+StringRef
DIDescriptor::getStringField(unsigned Elt) const {
if (DbgNode == 0)
return StringRef();
return DIDescriptor();
if (Elt < DbgNode->getNumOperands())
- return DIDescriptor(dyn_cast_or_null<MDNode>(DbgNode->getOperand(Elt)));
+ return
+ DIDescriptor(dyn_cast_or_null<const MDNode>(DbgNode->getOperand(Elt)));
return DIDescriptor();
}
return 0;
}
+Constant *DIDescriptor::getConstantField(unsigned Elt) const {
+ if (DbgNode == 0)
+ return 0;
+
+ if (Elt < DbgNode->getNumOperands())
+ return dyn_cast_or_null<Constant>(DbgNode->getOperand(Elt));
+ return 0;
+}
+
+Function *DIDescriptor::getFunctionField(unsigned Elt) const {
+ if (DbgNode == 0)
+ return 0;
+
+ if (Elt < DbgNode->getNumOperands())
+ return dyn_cast_or_null<Function>(DbgNode->getOperand(Elt));
+ return 0;
+}
+
unsigned DIVariable::getNumAddrElements() const {
- return DbgNode->getNumOperands()-6;
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return DbgNode->getNumOperands()-6;
+ return DbgNode->getNumOperands()-7;
}
case dwarf::DW_TAG_restrict_type:
case dwarf::DW_TAG_member:
case dwarf::DW_TAG_inheritance:
+ case dwarf::DW_TAG_friend:
return true;
default:
// CompositeTypes are currently modelled as DerivedTypes.
/// isGlobalVariable - Return true if the specified tag is legal for
/// DIGlobalVariable.
bool DIDescriptor::isGlobalVariable() const {
- return DbgNode && getTag() == dwarf::DW_TAG_variable;
+ return DbgNode && (getTag() == dwarf::DW_TAG_variable ||
+ getTag() == dwarf::DW_TAG_constant);
}
/// isGlobal - Return true if the specified tag is legal for DIGlobal.
return isGlobalVariable();
}
+/// isUnspecifiedParmeter - Return true if the specified tab is
+/// DW_TAG_unspecified_parameters.
+bool DIDescriptor::isUnspecifiedParameter() const {
+ return DbgNode && getTag() == dwarf::DW_TAG_unspecified_parameters;
+}
+
/// isScope - Return true if the specified tag is one of the scope
/// related tag.
bool DIDescriptor::isScope() const {
// Simple Descriptor Constructors and other Methods
//===----------------------------------------------------------------------===//
-DIType::DIType(MDNode *N) : DIScope(N) {
+DIType::DIType(const MDNode *N) : DIScope(N) {
if (!N) return;
if (!isBasicType() && !isDerivedType() && !isCompositeType()) {
DbgNode = 0;
}
/// replaceAllUsesWith - Replace all uses of debug info referenced by
-/// this descriptor. After this completes, the current debug info value
-/// is erased.
-void DIDerivedType::replaceAllUsesWith(DIDescriptor &D) {
+/// this descriptor.
+void DIType::replaceAllUsesWith(DIDescriptor &D) {
if (!DbgNode)
return;
// which, due to uniquing, has merged with the source. We shield clients from
// this detail by allowing a value to be replaced with replaceAllUsesWith()
// itself.
- if (getNode() != D.getNode()) {
- MDNode *Node = DbgNode;
- Node->replaceAllUsesWith(D.getNode());
- Node->destroy();
+ if (DbgNode != D) {
+ MDNode *Node = const_cast<MDNode*>(DbgNode);
+ const MDNode *DN = D;
+ const Value *V = cast_or_null<Value>(DN);
+ Node->replaceAllUsesWith(const_cast<Value*>(V));
+ MDNode::deleteTemporary(Node);
+ }
+}
+
+/// replaceAllUsesWith - Replace all uses of debug info referenced by
+/// this descriptor.
+void DIType::replaceAllUsesWith(MDNode *D) {
+ if (!DbgNode)
+ return;
+
+ // Since we use a TrackingVH for the node, its easy for clients to manufacture
+ // legitimate situations where they want to replaceAllUsesWith() on something
+ // which, due to uniquing, has merged with the source. We shield clients from
+ // this detail by allowing a value to be replaced with replaceAllUsesWith()
+ // itself.
+ if (DbgNode != D) {
+ MDNode *Node = const_cast<MDNode*>(DbgNode);
+ const MDNode *DN = D;
+ const Value *V = cast_or_null<Value>(DN);
+ Node->replaceAllUsesWith(const_cast<Value*>(V));
+ MDNode::deleteTemporary(Node);
}
}
return false;
if (!getContext().Verify())
return false;
-
- DICompileUnit CU = getCompileUnit();
- if (!CU.Verify())
+ unsigned Tag = getTag();
+ if (!isBasicType() && Tag != dwarf::DW_TAG_const_type &&
+ Tag != dwarf::DW_TAG_volatile_type && Tag != dwarf::DW_TAG_pointer_type &&
+ Tag != dwarf::DW_TAG_reference_type && Tag != dwarf::DW_TAG_restrict_type
+ && Tag != dwarf::DW_TAG_vector_type && Tag != dwarf::DW_TAG_array_type
+ && Tag != dwarf::DW_TAG_enumeration_type
+ && getFilename().empty())
return false;
return true;
}
+/// Verify - Verify that a basic type descriptor is well formed.
+bool DIBasicType::Verify() const {
+ return isBasicType();
+}
+
+/// Verify - Verify that a derived type descriptor is well formed.
+bool DIDerivedType::Verify() const {
+ return isDerivedType();
+}
+
/// Verify - Verify that a composite type descriptor is well formed.
bool DICompositeType::Verify() const {
if (!DbgNode)
if (!Ty.Verify())
return false;
- if (!getGlobal())
+ if (!getGlobal() && !getConstant())
return false;
return true;
if (!getContext().Verify())
return false;
+ if (!getCompileUnit().Verify())
+ return false;
+
DIType Ty = getType();
if (!Ty.Verify())
return false;
bool DILocation::Verify() const {
if (!DbgNode)
return false;
-
+
return DbgNode->getNumOperands() == 4;
}
+/// Verify - Verify that a namespace descriptor is well formed.
+bool DINameSpace::Verify() const {
+ if (!DbgNode)
+ return false;
+ if (getName().empty())
+ return false;
+ if (!getCompileUnit().Verify())
+ return false;
+ return true;
+}
+
/// getOriginalTypeSize - If this type is derived from a base type then
/// return base type size.
uint64_t DIDerivedType::getOriginalTypeSize() const {
Tag == dwarf::DW_TAG_const_type || Tag == dwarf::DW_TAG_volatile_type ||
Tag == dwarf::DW_TAG_restrict_type) {
DIType BaseType = getTypeDerivedFrom();
- // If this type is not derived from any type then take conservative
+ // If this type is not derived from any type then take conservative
// approach.
if (!BaseType.isValid())
return getSizeInBits();
if (BaseType.isDerivedType())
- return DIDerivedType(BaseType.getNode()).getOriginalTypeSize();
+ return DIDerivedType(BaseType).getOriginalTypeSize();
else
return BaseType.getSizeInBits();
}
-
+
return getSizeInBits();
}
-/// isInlinedFnArgument - Return trule if this variable provides debugging
+/// isInlinedFnArgument - Return true if this variable provides debugging
/// information for an inlined function arguments.
bool DIVariable::isInlinedFnArgument(const Function *CurFn) {
assert(CurFn && "Invalid function");
if (!getContext().isSubprogram())
return false;
- // This variable is not inlined function argument if its scope
+ // This variable is not inlined function argument if its scope
// does not describe current function.
- return !(DISubprogram(getContext().getNode()).describes(CurFn));
+ return !(DISubprogram(getContext()).describes(CurFn));
}
/// describes - Return true if this subprogram provides debugging
/// information for the function F.
bool DISubprogram::describes(const Function *F) {
assert(F && "Invalid function");
+ if (F == getFunction())
+ return true;
StringRef Name = getLinkageName();
if (Name.empty())
Name = getName();
return false;
}
-unsigned DISubprogram::isOptimized() const {
+unsigned DISubprogram::isOptimized() const {
assert (DbgNode && "Invalid subprogram descriptor!");
if (DbgNode->getNumOperands() == 16)
return getUnsignedField(15);
StringRef DIScope::getFilename() const {
if (!DbgNode)
return StringRef();
- if (isLexicalBlock())
+ if (isLexicalBlock())
return DILexicalBlock(DbgNode).getFilename();
if (isSubprogram())
return DISubprogram(DbgNode).getFilename();
StringRef DIScope::getDirectory() const {
if (!DbgNode)
return StringRef();
- if (isLexicalBlock())
+ if (isLexicalBlock())
return DILexicalBlock(DbgNode).getDirectory();
if (isSubprogram())
return DISubprogram(DbgNode).getDirectory();
//===----------------------------------------------------------------------===//
-/// dump - Print descriptor.
-void DIDescriptor::dump() const {
- dbgs() << "[" << dwarf::TagString(getTag()) << "] ";
- dbgs().write_hex((intptr_t) &*DbgNode) << ']';
+/// print - Print descriptor.
+void DIDescriptor::print(raw_ostream &OS) const {
+ OS << "[" << dwarf::TagString(getTag()) << "] ";
+ OS.write_hex((intptr_t) &*DbgNode) << ']';
}
-/// dump - Print compile unit.
-void DICompileUnit::dump() const {
+/// print - Print compile unit.
+void DICompileUnit::print(raw_ostream &OS) const {
if (getLanguage())
- dbgs() << " [" << dwarf::LanguageString(getLanguage()) << "] ";
+ OS << " [" << dwarf::LanguageString(getLanguage()) << "] ";
- dbgs() << " [" << getDirectory() << "/" << getFilename() << " ]";
+ OS << " [" << getDirectory() << "/" << getFilename() << "]";
}
-/// dump - Print type.
-void DIType::dump() const {
+/// print - Print type.
+void DIType::print(raw_ostream &OS) const {
if (!DbgNode) return;
StringRef Res = getName();
if (!Res.empty())
- dbgs() << " [" << Res << "] ";
+ OS << " [" << Res << "] ";
unsigned Tag = getTag();
- dbgs() << " [" << dwarf::TagString(Tag) << "] ";
+ OS << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
- getCompileUnit().dump();
- dbgs() << " ["
- << getLineNumber() << ", "
- << getSizeInBits() << ", "
- << getAlignInBits() << ", "
- << getOffsetInBits()
+ getCompileUnit().print(OS);
+ OS << " ["
+ << "line " << getLineNumber() << ", "
+ << getSizeInBits() << " bits, "
+ << getAlignInBits() << " bit alignment, "
+ << getOffsetInBits() << " bit offset"
<< "] ";
if (isPrivate())
- dbgs() << " [private] ";
+ OS << " [private] ";
else if (isProtected())
- dbgs() << " [protected] ";
+ OS << " [protected] ";
if (isForwardDecl())
- dbgs() << " [fwd] ";
+ OS << " [fwd] ";
if (isBasicType())
- DIBasicType(DbgNode).dump();
+ DIBasicType(DbgNode).print(OS);
else if (isDerivedType())
- DIDerivedType(DbgNode).dump();
+ DIDerivedType(DbgNode).print(OS);
else if (isCompositeType())
- DICompositeType(DbgNode).dump();
+ DICompositeType(DbgNode).print(OS);
else {
- dbgs() << "Invalid DIType\n";
+ OS << "Invalid DIType\n";
return;
}
- dbgs() << "\n";
+ OS << "\n";
}
-/// dump - Print basic type.
-void DIBasicType::dump() const {
- dbgs() << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
+/// print - Print basic type.
+void DIBasicType::print(raw_ostream &OS) const {
+ OS << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
}
-/// dump - Print derived type.
-void DIDerivedType::dump() const {
- dbgs() << "\n\t Derived From: "; getTypeDerivedFrom().dump();
+/// print - Print derived type.
+void DIDerivedType::print(raw_ostream &OS) const {
+ OS << "\n\t Derived From: "; getTypeDerivedFrom().print(OS);
}
-/// dump - Print composite type.
-void DICompositeType::dump() const {
+/// print - Print composite type.
+void DICompositeType::print(raw_ostream &OS) const {
DIArray A = getTypeArray();
- dbgs() << " [" << A.getNumElements() << " elements]";
+ OS << " [" << A.getNumElements() << " elements]";
}
-/// dump - Print global.
-void DIGlobal::dump() const {
+/// print - Print subprogram.
+void DISubprogram::print(raw_ostream &OS) const {
StringRef Res = getName();
if (!Res.empty())
- dbgs() << " [" << Res << "] ";
+ OS << " [" << Res << "] ";
unsigned Tag = getTag();
- dbgs() << " [" << dwarf::TagString(Tag) << "] ";
+ OS << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
- getCompileUnit().dump();
- dbgs() << " [" << getLineNumber() << "] ";
+ getCompileUnit().print(OS);
+ OS << " [" << getLineNumber() << "] ";
if (isLocalToUnit())
- dbgs() << " [local] ";
+ OS << " [local] ";
if (isDefinition())
- dbgs() << " [def] ";
-
- if (isGlobalVariable())
- DIGlobalVariable(DbgNode).dump();
+ OS << " [def] ";
- dbgs() << "\n";
+ OS << "\n";
}
-/// dump - Print subprogram.
-void DISubprogram::dump() const {
+/// print - Print global variable.
+void DIGlobalVariable::print(raw_ostream &OS) const {
+ OS << " [";
StringRef Res = getName();
if (!Res.empty())
- dbgs() << " [" << Res << "] ";
+ OS << " [" << Res << "] ";
unsigned Tag = getTag();
- dbgs() << " [" << dwarf::TagString(Tag) << "] ";
+ OS << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
- getCompileUnit().dump();
- dbgs() << " [" << getLineNumber() << "] ";
+ getCompileUnit().print(OS);
+ OS << " [" << getLineNumber() << "] ";
if (isLocalToUnit())
- dbgs() << " [local] ";
+ OS << " [local] ";
if (isDefinition())
- dbgs() << " [def] ";
+ OS << " [def] ";
+
+ if (isGlobalVariable())
+ DIGlobalVariable(DbgNode).print(OS);
+ OS << "]\n";
+}
- dbgs() << "\n";
+/// print - Print variable.
+void DIVariable::print(raw_ostream &OS) const {
+ StringRef Res = getName();
+ if (!Res.empty())
+ OS << " [" << Res << "] ";
+
+ getCompileUnit().print(OS);
+ OS << " [" << getLineNumber() << "] ";
+ getType().print(OS);
+ OS << "\n";
+
+ // FIXME: Dump complex addresses
+}
+
+/// dump - Print descriptor to dbgs() with a newline.
+void DIDescriptor::dump() const {
+ print(dbgs()); dbgs() << '\n';
+}
+
+/// dump - Print compile unit to dbgs() with a newline.
+void DICompileUnit::dump() const {
+ print(dbgs()); dbgs() << '\n';
+}
+
+/// dump - Print type to dbgs() with a newline.
+void DIType::dump() const {
+ print(dbgs()); dbgs() << '\n';
+}
+
+/// dump - Print basic type to dbgs() with a newline.
+void DIBasicType::dump() const {
+ print(dbgs()); dbgs() << '\n';
+}
+
+/// dump - Print derived type to dbgs() with a newline.
+void DIDerivedType::dump() const {
+ print(dbgs()); dbgs() << '\n';
+}
+
+/// dump - Print composite type to dbgs() with a newline.
+void DICompositeType::dump() const {
+ print(dbgs()); dbgs() << '\n';
+}
+
+/// dump - Print subprogram to dbgs() with a newline.
+void DISubprogram::dump() const {
+ print(dbgs()); dbgs() << '\n';
}
/// dump - Print global variable.
void DIGlobalVariable::dump() const {
- dbgs() << " [";
- getGlobal()->dump();
- dbgs() << "] ";
+ print(dbgs()); dbgs() << '\n';
}
/// dump - Print variable.
void DIVariable::dump() const {
- StringRef Res = getName();
- if (!Res.empty())
- dbgs() << " [" << Res << "] ";
-
- getCompileUnit().dump();
- dbgs() << " [" << getLineNumber() << "] ";
- getType().dump();
- dbgs() << "\n";
-
- // FIXME: Dump complex addresses
+ print(dbgs()); dbgs() << '\n';
}
//===----------------------------------------------------------------------===//
/// GetOrCreateArray - Create an descriptor for an array of descriptors.
/// This implicitly uniques the arrays created.
DIArray DIFactory::GetOrCreateArray(DIDescriptor *Tys, unsigned NumTys) {
- SmallVector<Value*, 16> Elts;
-
- if (NumTys == 0)
- Elts.push_back(llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)));
- else
- for (unsigned i = 0; i != NumTys; ++i)
- Elts.push_back(Tys[i].getNode());
+ if (NumTys == 0) {
+ Value *Null = llvm::Constant::getNullValue(Type::getInt32Ty(VMContext));
+ return DIArray(MDNode::get(VMContext, &Null, 1));
+ }
- return DIArray(MDNode::get(VMContext,Elts.data(), Elts.size()));
+ SmallVector<Value *, 16> Elts(Tys, Tys+NumTys);
+ return DIArray(MDNode::get(VMContext, Elts.data(), Elts.size()));
}
/// GetOrCreateSubrange - Create a descriptor for a value range. This
return DISubrange(MDNode::get(VMContext, &Elts[0], 3));
}
-
+/// CreateUnspecifiedParameter - Create unspeicified type descriptor
+/// for the subroutine type.
+DIDescriptor DIFactory::CreateUnspecifiedParameter() {
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_unspecified_parameters)
+ };
+ return DIDescriptor(MDNode::get(VMContext, &Elts[0], 1));
+}
/// CreateCompileUnit - Create a new descriptor for the specified compile
/// unit. Note that this does not unique compile units within the module.
GetTagConstant(dwarf::DW_TAG_file_type),
MDString::get(VMContext, Filename),
MDString::get(VMContext, Directory),
- CU.getNode()
+ CU
};
return DIFile(MDNode::get(VMContext, &Elts[0], 4));
unsigned Encoding) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_base_type),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
unsigned Encoding) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_base_type),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
SizeInBits,
AlignInBits,
return Ty;
SmallVector<Value *, 9> Elts;
- MDNode *N = Ty.getNode();
+ MDNode *N = Ty;
assert (N && "Unexpected input DIType!");
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
if (Value *V = N->getOperand(i))
DIType DerivedFrom) {
Value *Elts[] = {
GetTagConstant(Tag),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- DerivedFrom.getNode(),
+ DerivedFrom,
};
return DIDerivedType(MDNode::get(VMContext, &Elts[0], 10));
}
DIType DerivedFrom) {
Value *Elts[] = {
GetTagConstant(Tag),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
SizeInBits,
AlignInBits,
OffsetInBits,
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- DerivedFrom.getNode(),
+ DerivedFrom,
};
return DIDerivedType(MDNode::get(VMContext, &Elts[0], 10));
}
Value *Elts[] = {
GetTagConstant(Tag),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- DerivedFrom.getNode(),
- Elements.getNode(),
+ DerivedFrom,
+ Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
ContainingType
};
- return DICompositeType(MDNode::get(VMContext, &Elts[0], 13));
+
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 13);
+ // Create a named metadata so that we do not lose this enum info.
+ if (Tag == dwarf::DW_TAG_enumeration_type) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
+ NMD->addOperand(Node);
+ }
+ return DICompositeType(Node);
+}
+
+/// CreateTemporaryType - Create a temporary forward-declared type.
+DIType DIFactory::CreateTemporaryType() {
+ // Give the temporary MDNode a tag. It doesn't matter what tag we
+ // use here as long as DIType accepts it.
+ Value *Elts[] = {
+ GetTagConstant(DW_TAG_base_type)
+ };
+ MDNode *Node = MDNode::getTemporary(VMContext, Elts, array_lengthof(Elts));
+ return DIType(Node);
}
+/// CreateTemporaryType - Create a temporary forward-declared type.
+DIType DIFactory::CreateTemporaryType(DIFile F) {
+ // Give the temporary MDNode a tag. It doesn't matter what tag we
+ // use here as long as DIType accepts it.
+ Value *Elts[] = {
+ GetTagConstant(DW_TAG_base_type),
+ F.getCompileUnit(),
+ NULL,
+ F
+ };
+ MDNode *Node = MDNode::getTemporary(VMContext, Elts, array_lengthof(Elts));
+ return DIType(Node);
+}
/// CreateCompositeType - Create a composite type like array, struct, etc.
DICompositeType DIFactory::CreateCompositeTypeEx(unsigned Tag,
unsigned Flags,
DIType DerivedFrom,
DIArray Elements,
- unsigned RuntimeLang) {
-
+ unsigned RuntimeLang,
+ MDNode *ContainingType) {
Value *Elts[] = {
GetTagConstant(Tag),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
SizeInBits,
AlignInBits,
OffsetInBits,
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- DerivedFrom.getNode(),
- Elements.getNode(),
- ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang)
+ DerivedFrom,
+ Elements,
+ ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
+ ContainingType
};
- return DICompositeType(MDNode::get(VMContext, &Elts[0], 12));
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 13);
+ // Create a named metadata so that we do not lose this enum info.
+ if (Tag == dwarf::DW_TAG_enumeration_type) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
+ NMD->addOperand(Node);
+ }
+ return DICompositeType(Node);
}
bool isDefinition,
unsigned VK, unsigned VIndex,
DIType ContainingType,
- bool isArtificial,
- bool isOptimized) {
+ unsigned Flags,
+ bool isOptimized,
+ Function *Fn) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_subprogram),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
MDString::get(VMContext, DisplayName),
MDString::get(VMContext, LinkageName),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- Ty.getNode(),
+ Ty,
ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
ConstantInt::get(Type::getInt32Ty(VMContext), (unsigned)VK),
ConstantInt::get(Type::getInt32Ty(VMContext), VIndex),
- ContainingType.getNode(),
- ConstantInt::get(Type::getInt1Ty(VMContext), isArtificial),
- ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized)
+ ContainingType,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
+ Fn
};
- return DISubprogram(MDNode::get(VMContext, &Elts[0], 16));
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 17);
+
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
+ NMD->addOperand(Node);
+ return DISubprogram(Node);
}
/// CreateSubprogramDefinition - Create new subprogram descriptor for the
-/// given declaration.
-DISubprogram DIFactory::CreateSubprogramDefinition(DISubprogram &SPDeclaration) {
+/// given declaration.
+DISubprogram DIFactory::CreateSubprogramDefinition(DISubprogram &SPDeclaration){
if (SPDeclaration.isDefinition())
- return DISubprogram(SPDeclaration.getNode());
+ return DISubprogram(SPDeclaration);
- MDNode *DeclNode = SPDeclaration.getNode();
+ MDNode *DeclNode = SPDeclaration;
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_subprogram),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
DeclNode->getOperand(11), // Virtuality
DeclNode->getOperand(12), // VIndex
DeclNode->getOperand(13), // Containting Type
- DeclNode->getOperand(14), // isArtificial
- DeclNode->getOperand(15) // isOptimized
+ DeclNode->getOperand(14), // Flags
+ DeclNode->getOperand(15), // isOptimized
+ SPDeclaration.getFunction()
};
- return DISubprogram(MDNode::get(VMContext, &Elts[0], 16));
+ MDNode *Node =MDNode::get(VMContext, &Elts[0], 16);
+
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
+ NMD->addOperand(Node);
+ return DISubprogram(Node);
}
/// CreateGlobalVariable - Create a new descriptor for the specified global.
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_variable),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
- Context.getNode(),
+ Context,
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, DisplayName),
+ MDString::get(VMContext, LinkageName),
+ F,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ Ty,
+ ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
+ Val
+ };
+
+ Value *const *Vs = &Elts[0];
+ MDNode *Node = MDNode::get(VMContext,Vs, 12);
+
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
+ NMD->addOperand(Node);
+
+ return DIGlobalVariable(Node);
+}
+
+/// CreateGlobalVariable - Create a new descriptor for the specified constant.
+DIGlobalVariable
+DIFactory::CreateGlobalVariable(DIDescriptor Context, StringRef Name,
+ StringRef DisplayName,
+ StringRef LinkageName,
+ DIFile F,
+ unsigned LineNo, DIType Ty,bool isLocalToUnit,
+ bool isDefinition, llvm::Constant *Val) {
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_variable),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Context,
MDString::get(VMContext, Name),
MDString::get(VMContext, DisplayName),
MDString::get(VMContext, LinkageName),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- Ty.getNode(),
+ Ty,
ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
Val
return DIGlobalVariable(Node);
}
+/// fixupObjcLikeName - Replace contains special characters used
+/// in a typical Objective-C names with '.' in a given string.
+static void fixupObjcLikeName(std::string &Str) {
+ for (size_t i = 0, e = Str.size(); i < e; ++i) {
+ char C = Str[i];
+ if (C == '[' || C == ']' || C == ' ' || C == ':' || C == '+' ||
+ C == '(' || C == ')')
+ Str[i] = '.';
+ }
+}
+
+/// getOrInsertFnSpecificMDNode - Return a NameMDNode that is suitable
+/// to hold function specific information.
+NamedMDNode *llvm::getOrInsertFnSpecificMDNode(Module &M, StringRef FuncName) {
+ SmallString<32> Out;
+ if (FuncName.find('[') == StringRef::npos)
+ return M.getOrInsertNamedMetadata(Twine("llvm.dbg.lv.", FuncName)
+ .toStringRef(Out));
+ std::string Name = FuncName;
+ fixupObjcLikeName(Name);
+ return M.getOrInsertNamedMetadata(Twine("llvm.dbg.lv.", Name)
+ .toStringRef(Out));
+}
+
+/// getFnSpecificMDNode - Return a NameMDNode, if available, that is
+/// suitable to hold function specific information.
+NamedMDNode *llvm::getFnSpecificMDNode(const Module &M, StringRef FuncName) {
+ if (FuncName.find('[') == StringRef::npos)
+ return M.getNamedMetadata(Twine("llvm.dbg.lv.", FuncName));
+ std::string Name = FuncName;
+ fixupObjcLikeName(Name);
+ return M.getNamedMetadata(Twine("llvm.dbg.lv.", Name));
+}
/// CreateVariable - Create a new descriptor for the specified variable.
DIVariable DIFactory::CreateVariable(unsigned Tag, DIDescriptor Context,
StringRef Name,
DIFile F,
unsigned LineNo,
- DIType Ty) {
+ DIType Ty, bool AlwaysPreserve,
+ unsigned Flags) {
Value *Elts[] = {
GetTagConstant(Tag),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- Ty.getNode(),
+ Ty,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags)
};
- return DIVariable(MDNode::get(VMContext, &Elts[0], 6));
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 7);
+ if (AlwaysPreserve) {
+ // The optimizer may remove local variable. If there is an interest
+ // to preserve variable info in such situation then stash it in a
+ // named mdnode.
+ DISubprogram Fn(getDISubprogram(Context));
+ StringRef FName = "fn";
+ if (Fn.getFunction())
+ FName = Fn.getFunction()->getName();
+ char One = '\1';
+ if (FName.startswith(StringRef(&One, 1)))
+ FName = FName.substr(1);
+
+
+ NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, FName);
+ FnLocals->addOperand(Node);
+ }
+ return DIVariable(Node);
}
/// CreateComplexVariable - Create a new descriptor for the specified variable
/// which has a complex address expression for its address.
DIVariable DIFactory::CreateComplexVariable(unsigned Tag, DIDescriptor Context,
- const std::string &Name,
- DIFile F,
+ StringRef Name, DIFile F,
unsigned LineNo,
- DIType Ty,
- SmallVector<Value *, 9> &addr) {
- SmallVector<Value *, 9> Elts;
+ DIType Ty, Value *const *Addr,
+ unsigned NumAddr) {
+ SmallVector<Value *, 15> Elts;
Elts.push_back(GetTagConstant(Tag));
- Elts.push_back(Context.getNode());
+ Elts.push_back(Context);
Elts.push_back(MDString::get(VMContext, Name));
- Elts.push_back(F.getNode());
+ Elts.push_back(F);
Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), LineNo));
- Elts.push_back(Ty.getNode());
- Elts.insert(Elts.end(), addr.begin(), addr.end());
+ Elts.push_back(Ty);
+ Elts.append(Addr, Addr+NumAddr);
- return DIVariable(MDNode::get(VMContext, &Elts[0], 6+addr.size()));
+ return DIVariable(MDNode::get(VMContext, Elts.data(), Elts.size()));
}
/// CreateBlock - This creates a descriptor for a lexical block with the
/// specified parent VMContext.
DILexicalBlock DIFactory::CreateLexicalBlock(DIDescriptor Context,
- unsigned LineNo, unsigned Col) {
+ DIFile F, unsigned LineNo,
+ unsigned Col) {
+ // Defeat MDNode uniqing for lexical blocks.
+ static unsigned int unique_id = 0;
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_lexical_block),
- Context.getNode(),
+ Context,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt32Ty(VMContext), Col)
+ ConstantInt::get(Type::getInt32Ty(VMContext), Col),
+ F,
+ ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++)
};
- return DILexicalBlock(MDNode::get(VMContext, &Elts[0], 4));
+ return DILexicalBlock(MDNode::get(VMContext, &Elts[0], 6));
}
/// CreateNameSpace - This creates new descriptor for a namespace
unsigned LineNo) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_namespace),
- Context.getNode(),
+ Context,
MDString::get(VMContext, Name),
- F.getNode(),
+ F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
};
return DINameSpace(MDNode::get(VMContext, &Elts[0], 5));
Value *Elts[] = {
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo),
- S.getNode(),
- OrigLoc.getNode(),
- };
- return DILocation(MDNode::get(VMContext, &Elts[0], 4));
-}
-
-/// CreateLocation - Creates a debug info location.
-DILocation DIFactory::CreateLocation(unsigned LineNo, unsigned ColumnNo,
- DIScope S, MDNode *OrigLoc) {
- Value *Elts[] = {
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo),
- S.getNode(),
- OrigLoc
+ S,
+ OrigLoc,
};
return DILocation(MDNode::get(VMContext, &Elts[0], 4));
}
Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
Instruction *InsertBefore) {
assert(Storage && "no storage passed to dbg.declare");
- assert(D.getNode() && "empty DIVariable passed to dbg.declare");
+ assert(D.Verify() && "empty DIVariable passed to dbg.declare");
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1),
- D.getNode() };
+ D };
return CallInst::Create(DeclareFn, Args, Args+2, "", InsertBefore);
}
Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
BasicBlock *InsertAtEnd) {
assert(Storage && "no storage passed to dbg.declare");
- assert(D.getNode() && "empty DIVariable passed to dbg.declare");
+ assert(D.Verify() && "invalid DIVariable passed to dbg.declare");
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1),
- D.getNode() };
+ D };
// If this block already has a terminator then insert this intrinsic
// before the terminator.
- if (TerminatorInst *T = InsertAtEnd->getTerminator())
+ if (TerminatorInst *T = InsertAtEnd->getTerminator())
return CallInst::Create(DeclareFn, Args, Args+2, "", T);
else
return CallInst::Create(DeclareFn, Args, Args+2, "", InsertAtEnd);}
DIVariable D,
Instruction *InsertBefore) {
assert(V && "no value passed to dbg.value");
- assert(D.getNode() && "empty DIVariable passed to dbg.value");
+ assert(D.Verify() && "invalid DIVariable passed to dbg.value");
if (!ValueFn)
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
Value *Args[] = { MDNode::get(V->getContext(), &V, 1),
ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
- D.getNode() };
+ D };
return CallInst::Create(ValueFn, Args, Args+3, "", InsertBefore);
}
DIVariable D,
BasicBlock *InsertAtEnd) {
assert(V && "no value passed to dbg.value");
- assert(D.getNode() && "empty DIVariable passed to dbg.value");
+ assert(D.Verify() && "invalid DIVariable passed to dbg.value");
if (!ValueFn)
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
- Value *Args[] = { MDNode::get(V->getContext(), &V, 1),
+ Value *Args[] = { MDNode::get(V->getContext(), &V, 1),
ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
- D.getNode() };
+ D };
return CallInst::Create(ValueFn, Args, Args+3, "", InsertAtEnd);
}
+// RecordType - Record DIType in a module such that it is not lost even if
+// it is not referenced through debug info anchors.
+void DIFactory::RecordType(DIType T) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.ty");
+ NMD->addOperand(T);
+}
+
+
//===----------------------------------------------------------------------===//
// DebugInfoFinder implementations.
//===----------------------------------------------------------------------===//
++BI) {
if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(BI))
processDeclare(DDI);
-
+
DebugLoc Loc = BI->getDebugLoc();
if (Loc.isUnknown())
continue;
-
+
LLVMContext &Ctx = BI->getContext();
DIDescriptor Scope(Loc.getScope(Ctx));
-
+
if (Scope.isCompileUnit())
- addCompileUnit(DICompileUnit(Scope.getNode()));
+ addCompileUnit(DICompileUnit(Scope));
else if (Scope.isSubprogram())
- processSubprogram(DISubprogram(Scope.getNode()));
+ processSubprogram(DISubprogram(Scope));
else if (Scope.isLexicalBlock())
- processLexicalBlock(DILexicalBlock(Scope.getNode()));
-
+ processLexicalBlock(DILexicalBlock(Scope));
+
if (MDNode *IA = Loc.getInlinedAt(Ctx))
processLocation(DILocation(IA));
}
- NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.gv");
- if (!NMD)
- return;
-
- for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
- DIGlobalVariable DIG(cast<MDNode>(NMD->getOperand(i)));
- if (addGlobalVariable(DIG)) {
- addCompileUnit(DIG.getCompileUnit());
- processType(DIG.getType());
+ if (NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.gv")) {
+ for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
+ DIGlobalVariable DIG(cast<MDNode>(NMD->getOperand(i)));
+ if (addGlobalVariable(DIG)) {
+ addCompileUnit(DIG.getCompileUnit());
+ processType(DIG.getType());
+ }
}
}
+
+ if (NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.sp"))
+ for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
+ processSubprogram(DISubprogram(NMD->getOperand(i)));
}
/// processLocation - Process DILocation.
void DebugInfoFinder::processLocation(DILocation Loc) {
if (!Loc.Verify()) return;
- DIDescriptor S(Loc.getScope().getNode());
+ DIDescriptor S(Loc.getScope());
if (S.isCompileUnit())
- addCompileUnit(DICompileUnit(S.getNode()));
+ addCompileUnit(DICompileUnit(S));
else if (S.isSubprogram())
- processSubprogram(DISubprogram(S.getNode()));
+ processSubprogram(DISubprogram(S));
else if (S.isLexicalBlock())
- processLexicalBlock(DILexicalBlock(S.getNode()));
+ processLexicalBlock(DILexicalBlock(S));
processLocation(Loc.getOrigLocation());
}
addCompileUnit(DT.getCompileUnit());
if (DT.isCompositeType()) {
- DICompositeType DCT(DT.getNode());
+ DICompositeType DCT(DT);
processType(DCT.getTypeDerivedFrom());
DIArray DA = DCT.getTypeArray();
for (unsigned i = 0, e = DA.getNumElements(); i != e; ++i) {
DIDescriptor D = DA.getElement(i);
if (D.isType())
- processType(DIType(D.getNode()));
+ processType(DIType(D));
else if (D.isSubprogram())
- processSubprogram(DISubprogram(D.getNode()));
+ processSubprogram(DISubprogram(D));
}
} else if (DT.isDerivedType()) {
- DIDerivedType DDT(DT.getNode());
+ DIDerivedType DDT(DT);
processType(DDT.getTypeDerivedFrom());
}
}
void DebugInfoFinder::processLexicalBlock(DILexicalBlock LB) {
DIScope Context = LB.getContext();
if (Context.isLexicalBlock())
- return processLexicalBlock(DILexicalBlock(Context.getNode()));
+ return processLexicalBlock(DILexicalBlock(Context));
else
- return processSubprogram(DISubprogram(Context.getNode()));
+ return processSubprogram(DISubprogram(Context));
}
/// processSubprogram - Process DISubprogram.
if (!DV.isVariable())
return;
- if (!NodesSeen.insert(DV.getNode()))
+ if (!NodesSeen.insert(DV))
return;
addCompileUnit(DIVariable(N).getCompileUnit());
if (!DT.isValid())
return false;
- if (!NodesSeen.insert(DT.getNode()))
+ if (!NodesSeen.insert(DT))
return false;
- TYs.push_back(DT.getNode());
+ TYs.push_back(DT);
return true;
}
if (!CU.Verify())
return false;
- if (!NodesSeen.insert(CU.getNode()))
+ if (!NodesSeen.insert(CU))
return false;
- CUs.push_back(CU.getNode());
+ CUs.push_back(CU);
return true;
}
/// addGlobalVariable - Add global variable into GVs.
bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable DIG) {
- if (!DIDescriptor(DIG.getNode()).isGlobalVariable())
+ if (!DIDescriptor(DIG).isGlobalVariable())
return false;
- if (!NodesSeen.insert(DIG.getNode()))
+ if (!NodesSeen.insert(DIG))
return false;
- GVs.push_back(DIG.getNode());
+ GVs.push_back(DIG);
return true;
}
// addSubprogram - Add subprgoram into SPs.
bool DebugInfoFinder::addSubprogram(DISubprogram SP) {
- if (!DIDescriptor(SP.getNode()).isSubprogram())
+ if (!DIDescriptor(SP).isSubprogram())
return false;
- if (!NodesSeen.insert(SP.getNode()))
+ if (!NodesSeen.insert(SP))
return false;
- SPs.push_back(SP.getNode());
+ SPs.push_back(SP);
return true;
}
return 0;
for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
- DIDescriptor DIG(cast_or_null<MDNode>(NMD->getOperand(i)));
+ DIDescriptor DIG(cast<MDNode>(NMD->getOperand(i)));
if (!DIG.isGlobalVariable())
continue;
- if (DIGlobalVariable(DIG.getNode()).getGlobal() == V)
- return DIG.getNode();
+ if (DIGlobalVariable(DIG).getGlobal() == V)
+ return DIG;
}
return 0;
}
/// It looks through pointer casts too.
static const DbgDeclareInst *findDbgDeclare(const Value *V) {
V = V->stripPointerCasts();
-
+
if (!isa<Instruction>(V) && !isa<Argument>(V))
return 0;
-
+
const Function *F = NULL;
if (const Instruction *I = dyn_cast<Instruction>(V))
F = I->getParent()->getParent();
else if (const Argument *A = dyn_cast<Argument>(V))
F = A->getParent();
-
+
for (Function::const_iterator FI = F->begin(), FE = F->end(); FI != FE; ++FI)
for (BasicBlock::const_iterator BI = (*FI).begin(), BE = (*FI).end();
BI != BE; ++BI)
}
/// getDISubprogram - Find subprogram that is enclosing this scope.
-DISubprogram llvm::getDISubprogram(MDNode *Scope) {
+DISubprogram llvm::getDISubprogram(const MDNode *Scope) {
DIDescriptor D(Scope);
if (D.isSubprogram())
return DISubprogram(Scope);
-
+
if (D.isLexicalBlock())
- return getDISubprogram(DILexicalBlock(Scope).getContext().getNode());
-
+ return getDISubprogram(DILexicalBlock(Scope).getContext());
+
return DISubprogram();
}
/// getDICompositeType - Find underlying composite type.
DICompositeType llvm::getDICompositeType(DIType T) {
if (T.isCompositeType())
- return DICompositeType(T.getNode());
-
+ return DICompositeType(T);
+
if (T.isDerivedType())
- return getDICompositeType(DIDerivedType(T.getNode()).getTypeDerivedFrom());
-
+ return getDICompositeType(DIDerivedType(T).getTypeDerivedFrom());
+
return DICompositeType();
}