//===----------------------------------------------------------------------===//
#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/IntrinsicInst.h"
#include "llvm/Instructions.h"
-#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/DebugLoc.h"
#include "llvm/Support/raw_ostream.h"
/// ValidDebugInfo - Return true if V represents valid debug info value.
/// FIXME : Add DIDescriptor.isValid()
-bool DIDescriptor::ValidDebugInfo(MDNode *N, CodeGenOpt::Level OptLevel) {
+bool DIDescriptor::ValidDebugInfo(MDNode *N, unsigned OptLevel) {
if (!N)
return false;
if (Version != LLVMDebugVersion && Version != LLVMDebugVersion6)
return false;
- unsigned Tag = DI.getTag();
- switch (Tag) {
+ switch (DI.getTag()) {
case DW_TAG_variable:
assert(DIVariable(N).Verify() && "Invalid DebugInfo value");
break;
DIDescriptor::DIDescriptor(MDNode *N, unsigned RequiredTag) {
DbgNode = N;
-
+
// If this is non-null, check to see if the Tag matches. If not, set to null.
if (N && getTag() != RequiredTag) {
DbgNode = 0;
}
}
-const std::string &
-DIDescriptor::getStringField(unsigned Elt, std::string &Result) const {
- Result.clear();
+StringRef
+DIDescriptor::getStringField(unsigned Elt) const {
if (DbgNode == 0)
- return Result;
+ return StringRef();
- if (Elt < DbgNode->getNumElements())
- if (MDString *MDS = dyn_cast_or_null<MDString>(DbgNode->getElement(Elt))) {
- Result.assign(MDS->begin(), MDS->begin() + MDS->length());
- return Result;
- }
-
- return Result;
+ if (Elt < DbgNode->getNumOperands())
+ if (MDString *MDS = dyn_cast_or_null<MDString>(DbgNode->getOperand(Elt)))
+ return MDS->getString();
+
+ return StringRef();
}
uint64_t DIDescriptor::getUInt64Field(unsigned Elt) const {
- if (DbgNode == 0)
+ if (DbgNode == 0)
return 0;
- if (Elt < DbgNode->getNumElements())
- if (ConstantInt *CI = dyn_cast<ConstantInt>(DbgNode->getElement(Elt)))
+ if (Elt < DbgNode->getNumOperands())
+ if (ConstantInt *CI = dyn_cast<ConstantInt>(DbgNode->getOperand(Elt)))
return CI->getZExtValue();
-
+
return 0;
}
DIDescriptor DIDescriptor::getDescriptorField(unsigned Elt) const {
- if (DbgNode == 0)
+ if (DbgNode == 0)
return DIDescriptor();
- if (Elt < DbgNode->getNumElements() && DbgNode->getElement(Elt))
- return DIDescriptor(dyn_cast<MDNode>(DbgNode->getElement(Elt)));
+ if (Elt < DbgNode->getNumOperands() && DbgNode->getOperand(Elt))
+ return DIDescriptor(dyn_cast<MDNode>(DbgNode->getOperand(Elt)));
return DIDescriptor();
}
GlobalVariable *DIDescriptor::getGlobalVariableField(unsigned Elt) const {
- if (DbgNode == 0)
+ if (DbgNode == 0)
return 0;
- if (Elt < DbgNode->getNumElements())
- return dyn_cast<GlobalVariable>(DbgNode->getElement(Elt));
+ if (Elt < DbgNode->getNumOperands())
+ return dyn_cast_or_null<GlobalVariable>(DbgNode->getOperand(Elt));
return 0;
}
+unsigned DIVariable::getNumAddrElements() const {
+ return DbgNode->getNumOperands()-6;
+}
+
+
//===----------------------------------------------------------------------===//
// Predicates
//===----------------------------------------------------------------------===//
/// isBasicType - Return true if the specified tag is legal for
/// DIBasicType.
bool DIDescriptor::isBasicType() const {
- assert (isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- return Tag == dwarf::DW_TAG_base_type;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_base_type;
}
/// isDerivedType - Return true if the specified tag is legal for DIDerivedType.
bool DIDescriptor::isDerivedType() const {
- assert (isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- switch (Tag) {
+ assert(!isNull() && "Invalid descriptor!");
+ switch (getTag()) {
case dwarf::DW_TAG_typedef:
case dwarf::DW_TAG_pointer_type:
case dwarf::DW_TAG_reference_type:
/// isCompositeType - Return true if the specified tag is legal for
/// DICompositeType.
bool DIDescriptor::isCompositeType() const {
- assert (isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- switch (Tag) {
+ assert(!isNull() && "Invalid descriptor!");
+ switch (getTag()) {
case dwarf::DW_TAG_array_type:
case dwarf::DW_TAG_structure_type:
case dwarf::DW_TAG_union_type:
/// isVariable - Return true if the specified tag is legal for DIVariable.
bool DIDescriptor::isVariable() const {
- assert (isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- switch (Tag) {
+ assert(!isNull() && "Invalid descriptor!");
+ switch (getTag()) {
case dwarf::DW_TAG_auto_variable:
case dwarf::DW_TAG_arg_variable:
case dwarf::DW_TAG_return_variable:
}
}
+/// isType - Return true if the specified tag is legal for DIType.
+bool DIDescriptor::isType() const {
+ return isBasicType() || isCompositeType() || isDerivedType();
+}
+
/// isSubprogram - Return true if the specified tag is legal for
/// DISubprogram.
bool DIDescriptor::isSubprogram() const {
- assert (isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- return Tag == dwarf::DW_TAG_subprogram;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_subprogram;
}
/// isGlobalVariable - Return true if the specified tag is legal for
/// DIGlobalVariable.
bool DIDescriptor::isGlobalVariable() const {
- assert (isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_variable;
+}
+
+/// isGlobal - Return true if the specified tag is legal for DIGlobal.
+bool DIDescriptor::isGlobal() const {
+ return isGlobalVariable();
+}
+
+/// isScope - Return true if the specified tag is one of the scope
+/// related tag.
+bool DIDescriptor::isScope() const {
+ assert(!isNull() && "Invalid descriptor!");
+ switch (getTag()) {
+ case dwarf::DW_TAG_compile_unit:
+ case dwarf::DW_TAG_lexical_block:
+ case dwarf::DW_TAG_subprogram:
+ case dwarf::DW_TAG_namespace:
+ return true;
+ default:
+ break;
+ }
+ return false;
+}
+
+/// isCompileUnit - Return true if the specified tag is DW_TAG_compile_unit.
+bool DIDescriptor::isCompileUnit() const {
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_compile_unit;
+}
+
+/// isNameSpace - Return true if the specified tag is DW_TAG_namespace.
+bool DIDescriptor::isNameSpace() const {
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_namespace;
+}
- return Tag == dwarf::DW_TAG_variable;
+/// isLexicalBlock - Return true if the specified tag is DW_TAG_lexical_block.
+bool DIDescriptor::isLexicalBlock() const {
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_lexical_block;
}
+/// isSubrange - Return true if the specified tag is DW_TAG_subrange_type.
+bool DIDescriptor::isSubrange() const {
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_subrange_type;
+}
+
+/// isEnumerator - Return true if the specified tag is DW_TAG_enumerator.
+bool DIDescriptor::isEnumerator() const {
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_enumerator;
+}
//===----------------------------------------------------------------------===//
// Simple Descriptor Constructors and other Methods
}
unsigned DIArray::getNumElements() const {
- assert (DbgNode && "Invalid DIArray");
- return DbgNode->getNumElements();
+ assert(DbgNode && "Invalid DIArray");
+ return DbgNode->getNumOperands();
}
/// replaceAllUsesWith - Replace all uses of debug info referenced by
if (isNull())
return;
- assert (!D.isNull() && "Can not replace with null");
- DbgNode->replaceAllUsesWith(D.getNode());
- delete DbgNode;
+ assert(!D.isNull() && "Can not replace with null");
+
+ // 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 (getNode() != D.getNode()) {
+ MDNode *Node = DbgNode;
+ Node->replaceAllUsesWith(D.getNode());
+ Node->destroy();
+ }
}
/// Verify - Verify that a compile unit is well formed.
bool DICompileUnit::Verify() const {
- if (isNull())
+ if (isNull())
return false;
- std::string Res;
- if (getFilename(Res).empty())
+ StringRef N = getFilename();
+ if (N.empty())
return false;
// It is possible that directory and produce string is empty.
return true;
/// Verify - Verify that a type descriptor is well formed.
bool DIType::Verify() const {
- if (isNull())
+ if (isNull())
return false;
- if (getContext().isNull())
+ if (getContext().isNull())
return false;
DICompileUnit CU = getCompileUnit();
- if (!CU.isNull() && !CU.Verify())
+ if (!CU.isNull() && !CU.Verify())
return false;
return true;
}
/// Verify - Verify that a composite type descriptor is well formed.
bool DICompositeType::Verify() const {
- if (isNull())
+ if (isNull())
return false;
- if (getContext().isNull())
+ if (getContext().isNull())
return false;
DICompileUnit CU = getCompileUnit();
- if (!CU.isNull() && !CU.Verify())
+ if (!CU.isNull() && !CU.Verify())
return false;
return true;
}
bool DISubprogram::Verify() const {
if (isNull())
return false;
-
+
if (getContext().isNull())
return false;
DICompileUnit CU = getCompileUnit();
- if (!CU.Verify())
+ if (!CU.Verify())
return false;
DICompositeType Ty = getType();
bool DIGlobalVariable::Verify() const {
if (isNull())
return false;
-
+
+ if (getDisplayName().empty())
+ return false;
+
if (getContext().isNull())
return false;
DICompileUnit CU = getCompileUnit();
- if (!CU.isNull() && !CU.Verify())
+ if (!CU.isNull() && !CU.Verify())
return false;
DIType Ty = getType();
bool DIVariable::Verify() const {
if (isNull())
return false;
-
+
if (getContext().isNull())
return false;
/// getOriginalTypeSize - If this type is derived from a base type then
/// return base type size.
uint64_t DIDerivedType::getOriginalTypeSize() const {
- if (getTag() != dwarf::DW_TAG_member)
- return getSizeInBits();
- DIType BT = getTypeDerivedFrom();
- if (BT.getTag() != dwarf::DW_TAG_base_type)
- return getSizeInBits();
- return BT.getSizeInBits();
+ unsigned Tag = getTag();
+ if (Tag == dwarf::DW_TAG_member || Tag == dwarf::DW_TAG_typedef ||
+ 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
+ // approach.
+ if (BaseType.isNull())
+ return getSizeInBits();
+ if (BaseType.isDerivedType())
+ return DIDerivedType(BaseType.getNode()).getOriginalTypeSize();
+ else
+ return BaseType.getSizeInBits();
+ }
+
+ return getSizeInBits();
}
/// describes - Return true if this subprogram provides debugging
/// information for the function F.
bool DISubprogram::describes(const Function *F) {
- assert (F && "Invalid function");
- std::string Name;
- getLinkageName(Name);
+ assert(F && "Invalid function");
+ StringRef Name = getLinkageName();
if (Name.empty())
- getName(Name);
+ Name = getName();
if (F->getName() == Name)
return true;
return false;
}
+StringRef DIScope::getFilename() const {
+ if (isLexicalBlock())
+ return DILexicalBlock(DbgNode).getFilename();
+ if (isSubprogram())
+ return DISubprogram(DbgNode).getFilename();
+ if (isCompileUnit())
+ return DICompileUnit(DbgNode).getFilename();
+ if (isNameSpace())
+ return DINameSpace(DbgNode).getFilename();
+ assert(0 && "Invalid DIScope!");
+ return StringRef();
+}
+
+StringRef DIScope::getDirectory() const {
+ if (isLexicalBlock())
+ return DILexicalBlock(DbgNode).getDirectory();
+ if (isSubprogram())
+ return DISubprogram(DbgNode).getDirectory();
+ if (isCompileUnit())
+ return DICompileUnit(DbgNode).getDirectory();
+ if (isNameSpace())
+ return DINameSpace(DbgNode).getDirectory();
+ assert(0 && "Invalid DIScope!");
+ return StringRef();
+}
+
//===----------------------------------------------------------------------===//
// DIDescriptor: dump routines for all descriptors.
//===----------------------------------------------------------------------===//
/// dump - Print descriptor.
void DIDescriptor::dump() const {
- errs() << "[" << dwarf::TagString(getTag()) << "] ";
- errs().write_hex((intptr_t)DbgNode) << ']';
+ dbgs() << "[" << dwarf::TagString(getTag()) << "] ";
+ dbgs().write_hex((intptr_t) &*DbgNode) << ']';
}
/// dump - Print compile unit.
void DICompileUnit::dump() const {
if (getLanguage())
- errs() << " [" << dwarf::LanguageString(getLanguage()) << "] ";
+ dbgs() << " [" << dwarf::LanguageString(getLanguage()) << "] ";
- std::string Res1, Res2;
- errs() << " [" << getDirectory(Res1) << "/" << getFilename(Res2) << " ]";
+ dbgs() << " [" << getDirectory() << "/" << getFilename() << " ]";
}
/// dump - Print type.
void DIType::dump() const {
if (isNull()) return;
- std::string Res;
- if (!getName(Res).empty())
- errs() << " [" << Res << "] ";
+ StringRef Res = getName();
+ if (!Res.empty())
+ dbgs() << " [" << Res << "] ";
unsigned Tag = getTag();
- errs() << " [" << dwarf::TagString(Tag) << "] ";
+ dbgs() << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
getCompileUnit().dump();
- errs() << " ["
- << getLineNumber() << ", "
+ dbgs() << " ["
+ << getLineNumber() << ", "
<< getSizeInBits() << ", "
<< getAlignInBits() << ", "
- << getOffsetInBits()
+ << getOffsetInBits()
<< "] ";
- if (isPrivate())
- errs() << " [private] ";
+ if (isPrivate())
+ dbgs() << " [private] ";
else if (isProtected())
- errs() << " [protected] ";
+ dbgs() << " [protected] ";
if (isForwardDecl())
- errs() << " [fwd] ";
+ dbgs() << " [fwd] ";
if (isBasicType())
DIBasicType(DbgNode).dump();
else if (isCompositeType())
DICompositeType(DbgNode).dump();
else {
- errs() << "Invalid DIType\n";
+ dbgs() << "Invalid DIType\n";
return;
}
- errs() << "\n";
+ dbgs() << "\n";
}
/// dump - Print basic type.
void DIBasicType::dump() const {
- errs() << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
+ dbgs() << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
}
/// dump - Print derived type.
void DIDerivedType::dump() const {
- errs() << "\n\t Derived From: "; getTypeDerivedFrom().dump();
+ dbgs() << "\n\t Derived From: "; getTypeDerivedFrom().dump();
}
/// dump - Print composite type.
DIArray A = getTypeArray();
if (A.isNull())
return;
- errs() << " [" << A.getNumElements() << " elements]";
+ dbgs() << " [" << A.getNumElements() << " elements]";
}
/// dump - Print global.
void DIGlobal::dump() const {
- std::string Res;
- if (!getName(Res).empty())
- errs() << " [" << Res << "] ";
+ StringRef Res = getName();
+ if (!Res.empty())
+ dbgs() << " [" << Res << "] ";
unsigned Tag = getTag();
- errs() << " [" << dwarf::TagString(Tag) << "] ";
+ dbgs() << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
getCompileUnit().dump();
- errs() << " [" << getLineNumber() << "] ";
+ dbgs() << " [" << getLineNumber() << "] ";
if (isLocalToUnit())
- errs() << " [local] ";
+ dbgs() << " [local] ";
if (isDefinition())
- errs() << " [def] ";
+ dbgs() << " [def] ";
if (isGlobalVariable())
DIGlobalVariable(DbgNode).dump();
- errs() << "\n";
+ dbgs() << "\n";
}
/// dump - Print subprogram.
void DISubprogram::dump() const {
- DIGlobal::dump();
+ StringRef Res = getName();
+ if (!Res.empty())
+ dbgs() << " [" << Res << "] ";
+
+ unsigned Tag = getTag();
+ dbgs() << " [" << dwarf::TagString(Tag) << "] ";
+
+ // TODO : Print context
+ getCompileUnit().dump();
+ dbgs() << " [" << getLineNumber() << "] ";
+
+ if (isLocalToUnit())
+ dbgs() << " [local] ";
+
+ if (isDefinition())
+ dbgs() << " [def] ";
+
+ dbgs() << "\n";
}
/// dump - Print global variable.
void DIGlobalVariable::dump() const {
- errs() << " [";
+ dbgs() << " [";
getGlobal()->dump();
- errs() << "] ";
+ dbgs() << "] ";
}
/// dump - Print variable.
void DIVariable::dump() const {
- std::string Res;
- if (!getName(Res).empty())
- errs() << " [" << Res << "] ";
+ StringRef Res = getName();
+ if (!Res.empty())
+ dbgs() << " [" << Res << "] ";
getCompileUnit().dump();
- errs() << " [" << getLineNumber() << "] ";
+ dbgs() << " [" << getLineNumber() << "] ";
getType().dump();
- errs() << "\n";
+ dbgs() << "\n";
+
+ // FIXME: Dump complex addresses
}
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
DIFactory::DIFactory(Module &m)
- : M(m), VMContext(M.getContext()), StopPointFn(0), FuncStartFn(0),
- RegionStartFn(0), RegionEndFn(0),
- DeclareFn(0) {
- EmptyStructPtr = PointerType::getUnqual(StructType::get(VMContext));
-}
+ : M(m), VMContext(M.getContext()), DeclareFn(0) {}
Constant *DIFactory::GetTagConstant(unsigned TAG) {
assert((TAG & LLVMDebugVersionMask) == 0 &&
// DIFactory: Primary Constructors
//===----------------------------------------------------------------------===//
-/// GetOrCreateArray - Create an descriptor for an array of descriptors.
+/// 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
ConstantInt::get(Type::getInt64Ty(VMContext), Lo),
ConstantInt::get(Type::getInt64Ty(VMContext), Hi)
};
-
+
return DISubrange(MDNode::get(VMContext, &Elts[0], 3));
}
/// CreateCompileUnit - Create a new descriptor for the specified compile
/// unit. Note that this does not unique compile units within the module.
DICompileUnit DIFactory::CreateCompileUnit(unsigned LangID,
- const std::string &Filename,
- const std::string &Directory,
- const std::string &Producer,
+ StringRef Filename,
+ StringRef Directory,
+ StringRef Producer,
bool isMain,
bool isOptimized,
- const char *Flags,
+ StringRef Flags,
unsigned RunTimeVer) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_compile_unit),
}
/// CreateEnumerator - Create a single enumerator value.
-DIEnumerator DIFactory::CreateEnumerator(const std::string &Name, uint64_t Val){
+DIEnumerator DIFactory::CreateEnumerator(StringRef Name, uint64_t Val){
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_enumerator),
MDString::get(VMContext, Name),
/// CreateBasicType - Create a basic type like int, float, etc.
DIBasicType DIFactory::CreateBasicType(DIDescriptor Context,
- const std::string &Name,
+ StringRef Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
uint64_t SizeInBits,
return DIBasicType(MDNode::get(VMContext, &Elts[0], 10));
}
+
+/// CreateBasicType - Create a basic type like int, float, etc.
+DIBasicType DIFactory::CreateBasicTypeEx(DIDescriptor Context,
+ StringRef Name,
+ DICompileUnit CompileUnit,
+ unsigned LineNumber,
+ Constant *SizeInBits,
+ Constant *AlignInBits,
+ Constant *OffsetInBits, unsigned Flags,
+ unsigned Encoding) {
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_base_type),
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ SizeInBits,
+ AlignInBits,
+ OffsetInBits,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Encoding)
+ };
+ return DIBasicType(MDNode::get(VMContext, &Elts[0], 10));
+}
+
+
/// CreateDerivedType - Create a derived type like const qualified type,
/// pointer, typedef, etc.
DIDerivedType DIFactory::CreateDerivedType(unsigned Tag,
DIDescriptor Context,
- const std::string &Name,
+ StringRef Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
uint64_t SizeInBits,
return DIDerivedType(MDNode::get(VMContext, &Elts[0], 10));
}
+
+/// CreateDerivedType - Create a derived type like const qualified type,
+/// pointer, typedef, etc.
+DIDerivedType DIFactory::CreateDerivedTypeEx(unsigned Tag,
+ DIDescriptor Context,
+ StringRef Name,
+ DICompileUnit CompileUnit,
+ unsigned LineNumber,
+ Constant *SizeInBits,
+ Constant *AlignInBits,
+ Constant *OffsetInBits,
+ unsigned Flags,
+ DIType DerivedFrom) {
+ Value *Elts[] = {
+ GetTagConstant(Tag),
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ SizeInBits,
+ AlignInBits,
+ OffsetInBits,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ DerivedFrom.getNode(),
+ };
+ return DIDerivedType(MDNode::get(VMContext, &Elts[0], 10));
+}
+
+
/// CreateCompositeType - Create a composite type like array, struct, etc.
DICompositeType DIFactory::CreateCompositeType(unsigned Tag,
DIDescriptor Context,
- const std::string &Name,
+ StringRef Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
uint64_t SizeInBits,
}
+/// CreateCompositeType - Create a composite type like array, struct, etc.
+DICompositeType DIFactory::CreateCompositeTypeEx(unsigned Tag,
+ DIDescriptor Context,
+ StringRef Name,
+ DICompileUnit CompileUnit,
+ unsigned LineNumber,
+ Constant *SizeInBits,
+ Constant *AlignInBits,
+ Constant *OffsetInBits,
+ unsigned Flags,
+ DIType DerivedFrom,
+ DIArray Elements,
+ unsigned RuntimeLang) {
+
+ Value *Elts[] = {
+ GetTagConstant(Tag),
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ CompileUnit.getNode(),
+ 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)
+ };
+ return DICompositeType(MDNode::get(VMContext, &Elts[0], 12));
+}
+
+
/// CreateSubprogram - Create a new descriptor for the specified subprogram.
/// See comments in DISubprogram for descriptions of these fields. This
/// method does not unique the generated descriptors.
-DISubprogram DIFactory::CreateSubprogram(DIDescriptor Context,
- const std::string &Name,
- const std::string &DisplayName,
- const std::string &LinkageName,
+DISubprogram DIFactory::CreateSubprogram(DIDescriptor Context,
+ StringRef Name,
+ StringRef DisplayName,
+ StringRef LinkageName,
DICompileUnit CompileUnit,
unsigned LineNo, DIType Type,
bool isLocalToUnit,
- bool isDefinition) {
+ bool isDefinition,
+ unsigned VK, unsigned VIndex,
+ DIType ContainingType) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_subprogram),
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
Type.getNode(),
ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
- ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition)
+ ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
+ ConstantInt::get(Type::getInt32Ty(VMContext), (unsigned)VK),
+ ConstantInt::get(Type::getInt32Ty(VMContext), VIndex),
+ ContainingType.getNode()
};
- return DISubprogram(MDNode::get(VMContext, &Elts[0], 11));
+ return DISubprogram(MDNode::get(VMContext, &Elts[0], 14));
+}
+
+/// CreateSubprogramDefinition - Create new subprogram descriptor for the
+/// given declaration.
+DISubprogram DIFactory::CreateSubprogramDefinition(DISubprogram &SPDeclaration) {
+ if (SPDeclaration.isDefinition())
+ return DISubprogram(SPDeclaration.getNode());
+
+ MDNode *DeclNode = SPDeclaration.getNode();
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_subprogram),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ DeclNode->getOperand(2), // Context
+ DeclNode->getOperand(3), // Name
+ DeclNode->getOperand(4), // DisplayName
+ DeclNode->getOperand(5), // LinkageName
+ DeclNode->getOperand(6), // CompileUnit
+ DeclNode->getOperand(7), // LineNo
+ DeclNode->getOperand(8), // Type
+ DeclNode->getOperand(9), // isLocalToUnit
+ ConstantInt::get(Type::getInt1Ty(VMContext), true),
+ DeclNode->getOperand(11), // Virtuality
+ DeclNode->getOperand(12), // VIndex
+ DeclNode->getOperand(13) // Containting Type
+ };
+ return DISubprogram(MDNode::get(VMContext, &Elts[0], 14));
}
/// CreateGlobalVariable - Create a new descriptor for the specified global.
DIGlobalVariable
-DIFactory::CreateGlobalVariable(DIDescriptor Context, const std::string &Name,
- const std::string &DisplayName,
- const std::string &LinkageName,
+DIFactory::CreateGlobalVariable(DIDescriptor Context, StringRef Name,
+ StringRef DisplayName,
+ StringRef LinkageName,
DICompileUnit CompileUnit,
unsigned LineNo, DIType Type,bool isLocalToUnit,
bool isDefinition, llvm::GlobalVariable *Val) {
- Value *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_variable),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
Context.getNode(),
// Create a named metadata so that we do not lose this mdnode.
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
- NMD->addElement(Node);
+ NMD->addOperand(Node);
return DIGlobalVariable(Node);
}
/// CreateVariable - Create a new descriptor for the specified variable.
DIVariable DIFactory::CreateVariable(unsigned Tag, DIDescriptor Context,
- const std::string &Name,
+ StringRef Name,
DICompileUnit CompileUnit, unsigned LineNo,
DIType Type) {
Value *Elts[] = {
}
+/// 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,
+ DICompileUnit CompileUnit,
+ unsigned LineNo,
+ DIType Type, SmallVector<Value *, 9> &addr) {
+ SmallVector<Value *, 9> Elts;
+ Elts.push_back(GetTagConstant(Tag));
+ Elts.push_back(Context.getNode());
+ Elts.push_back(MDString::get(VMContext, Name));
+ Elts.push_back(CompileUnit.getNode());
+ Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), LineNo));
+ Elts.push_back(Type.getNode());
+ Elts.insert(Elts.end(), addr.begin(), addr.end());
+
+ return DIVariable(MDNode::get(VMContext, &Elts[0], 6+addr.size()));
+}
+
+
/// CreateBlock - This creates a descriptor for a lexical block with the
/// specified parent VMContext.
-DIBlock DIFactory::CreateBlock(DIDescriptor Context) {
+DILexicalBlock DIFactory::CreateLexicalBlock(DIDescriptor Context) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_lexical_block),
Context.getNode()
};
- return DIBlock(MDNode::get(VMContext, &Elts[0], 2));
+ return DILexicalBlock(MDNode::get(VMContext, &Elts[0], 2));
}
-
-//===----------------------------------------------------------------------===//
-// DIFactory: Routines for inserting code into a function
-//===----------------------------------------------------------------------===//
-
-/// InsertStopPoint - Create a new llvm.dbg.stoppoint intrinsic invocation,
-/// inserting it at the end of the specified basic block.
-void DIFactory::InsertStopPoint(DICompileUnit CU, unsigned LineNo,
- unsigned ColNo, BasicBlock *BB) {
-
- // Lazily construct llvm.dbg.stoppoint function.
- if (!StopPointFn)
- StopPointFn = llvm::Intrinsic::getDeclaration(&M,
- llvm::Intrinsic::dbg_stoppoint);
-
- // Invoke llvm.dbg.stoppoint
- Value *Args[] = {
- ConstantInt::get(llvm::Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(llvm::Type::getInt32Ty(VMContext), ColNo),
- CU.getNode()
+/// CreateNameSpace - This creates new descriptor for a namespace
+/// with the specified parent context.
+DINameSpace DIFactory::CreateNameSpace(DIDescriptor Context, StringRef Name,
+ DICompileUnit CompileUnit,
+ unsigned LineNo) {
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_namespace),
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
};
- CallInst::Create(StopPointFn, Args, Args+3, "", BB);
+ return DINameSpace(MDNode::get(VMContext, &Elts[0], 5));
}
-/// InsertSubprogramStart - Create a new llvm.dbg.func.start intrinsic to
-/// mark the start of the specified subprogram.
-void DIFactory::InsertSubprogramStart(DISubprogram SP, BasicBlock *BB) {
- // Lazily construct llvm.dbg.func.start.
- if (!FuncStartFn)
- FuncStartFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_func_start);
-
- // Call llvm.dbg.func.start which also implicitly sets a stoppoint.
- CallInst::Create(FuncStartFn, SP.getNode(), "", BB);
+/// CreateLocation - Creates a debug info location.
+DILocation DIFactory::CreateLocation(unsigned LineNo, unsigned ColumnNo,
+ DIScope S, DILocation OrigLoc) {
+ 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));
}
-/// InsertRegionStart - Insert a new llvm.dbg.region.start intrinsic call to
-/// mark the start of a region for the specified scoping descriptor.
-void DIFactory::InsertRegionStart(DIDescriptor D, BasicBlock *BB) {
- // Lazily construct llvm.dbg.region.start function.
- if (!RegionStartFn)
- RegionStartFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_region_start);
-
- // Call llvm.dbg.func.start.
- CallInst::Create(RegionStartFn, D.getNode(), "", BB);
+/// 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
+ };
+ return DILocation(MDNode::get(VMContext, &Elts[0], 4));
}
-/// InsertRegionEnd - Insert a new llvm.dbg.region.end intrinsic call to
-/// mark the end of a region for the specified scoping descriptor.
-void DIFactory::InsertRegionEnd(DIDescriptor D, BasicBlock *BB) {
- // Lazily construct llvm.dbg.region.end function.
- if (!RegionEndFn)
- RegionEndFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_region_end);
+//===----------------------------------------------------------------------===//
+// DIFactory: Routines for inserting code into a function
+//===----------------------------------------------------------------------===//
+
+/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
+Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
+ Instruction *InsertBefore) {
+ if (!DeclareFn)
+ DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
- // Call llvm.dbg.region.end.
- CallInst::Create(RegionEndFn, D.getNode(), "", BB);
+ Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1),
+ D.getNode() };
+ return CallInst::Create(DeclareFn, Args, Args+2, "", InsertBefore);
}
/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
-void DIFactory::InsertDeclare(Value *Storage, DIVariable D, BasicBlock *BB) {
- // Cast the storage to a {}* for the call to llvm.dbg.declare.
- Storage = new BitCastInst(Storage, EmptyStructPtr, "", BB);
-
+Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
+ BasicBlock *InsertAtEnd) {
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
- Value *Args[] = { Storage, D.getNode() };
- CallInst::Create(DeclareFn, Args, Args+2, "", BB);
+ Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1),
+ D.getNode() };
+ return CallInst::Create(DeclareFn, Args, Args+2, "", InsertAtEnd);
+}
+
+/// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
+Instruction *DIFactory::InsertDbgValueIntrinsic(Value *V, uint64_t Offset,
+ DIVariable D,
+ Instruction *InsertBefore) {
+ assert(V && "no value passed to dbg.value");
+ if (!ValueFn)
+ ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
+
+ Value *Elts[] = { V };
+ Value *Args[] = { MDNode::get(V->getContext(), Elts, 1),
+ ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
+ D.getNode() };
+ return CallInst::Create(ValueFn, Args, Args+3, "", InsertBefore);
}
+/// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
+Instruction *DIFactory::InsertDbgValueIntrinsic(Value *V, uint64_t Offset,
+ DIVariable D,
+ BasicBlock *InsertAtEnd) {
+ assert(V && "no value passed to dbg.value");
+ if (!ValueFn)
+ ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
+
+ Value *Elts[] = { V };
+ Value *Args[] = { MDNode::get(V->getContext(), Elts, 1),
+ ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
+ D.getNode() };
+ return CallInst::Create(ValueFn, Args, Args+3, "", InsertAtEnd);
+}
//===----------------------------------------------------------------------===//
// DebugInfoFinder implementations.
/// processModule - Process entire module and collect debug info.
void DebugInfoFinder::processModule(Module &M) {
-
+ unsigned MDDbgKind = M.getMDKindID("dbg");
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
for (Function::iterator FI = (*I).begin(), FE = (*I).end(); FI != FE; ++FI)
for (BasicBlock::iterator BI = (*FI).begin(), BE = (*FI).end(); BI != BE;
++BI) {
- if (DbgStopPointInst *SPI = dyn_cast<DbgStopPointInst>(BI))
- processStopPoint(SPI);
- else if (DbgFuncStartInst *FSI = dyn_cast<DbgFuncStartInst>(BI))
- processFuncStart(FSI);
- else if (DbgRegionStartInst *DRS = dyn_cast<DbgRegionStartInst>(BI))
- processRegionStart(DRS);
- else if (DbgRegionEndInst *DRE = dyn_cast<DbgRegionEndInst>(BI))
- processRegionEnd(DRE);
- else if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(BI))
+ if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(BI))
processDeclare(DDI);
+ else if (MDNode *L = BI->getMetadata(MDDbgKind))
+ processLocation(DILocation(L));
}
NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.gv");
if (!NMD)
return;
- for (unsigned i = 0, e = NMD->getNumElements(); i != e; ++i) {
- DIGlobalVariable DIG(cast<MDNode>(NMD->getElement(i)));
+ 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());
}
}
}
-
+
+/// processLocation - Process DILocation.
+void DebugInfoFinder::processLocation(DILocation Loc) {
+ if (Loc.isNull()) return;
+ DIScope S(Loc.getScope().getNode());
+ if (S.isNull()) return;
+ if (S.isCompileUnit())
+ addCompileUnit(DICompileUnit(S.getNode()));
+ else if (S.isSubprogram())
+ processSubprogram(DISubprogram(S.getNode()));
+ else if (S.isLexicalBlock())
+ processLexicalBlock(DILexicalBlock(S.getNode()));
+ processLocation(Loc.getOrigLocation());
+}
+
/// processType - Process DIType.
void DebugInfoFinder::processType(DIType DT) {
if (!addType(DT))
DIType TypeE = DIType(D.getNode());
if (!TypeE.isNull())
processType(TypeE);
- else
+ else
processSubprogram(DISubprogram(D.getNode()));
}
} else if (DT.isDerivedType()) {
DIDerivedType DDT(DT.getNode());
- if (!DDT.isNull())
+ if (!DDT.isNull())
processType(DDT.getTypeDerivedFrom());
}
}
+/// processLexicalBlock
+void DebugInfoFinder::processLexicalBlock(DILexicalBlock LB) {
+ if (LB.isNull())
+ return;
+ DIScope Context = LB.getContext();
+ if (Context.isLexicalBlock())
+ return processLexicalBlock(DILexicalBlock(Context.getNode()));
+ else
+ return processSubprogram(DISubprogram(Context.getNode()));
+}
+
/// processSubprogram - Process DISubprogram.
void DebugInfoFinder::processSubprogram(DISubprogram SP) {
if (SP.isNull())
processType(SP.getType());
}
-/// processStopPoint - Process DbgStopPointInst.
-void DebugInfoFinder::processStopPoint(DbgStopPointInst *SPI) {
- MDNode *Context = dyn_cast<MDNode>(SPI->getContext());
- addCompileUnit(DICompileUnit(Context));
-}
-
-/// processFuncStart - Process DbgFuncStartInst.
-void DebugInfoFinder::processFuncStart(DbgFuncStartInst *FSI) {
- MDNode *SP = dyn_cast<MDNode>(FSI->getSubprogram());
- processSubprogram(DISubprogram(SP));
-}
-
-/// processRegionStart - Process DbgRegionStart.
-void DebugInfoFinder::processRegionStart(DbgRegionStartInst *DRS) {
- MDNode *SP = dyn_cast<MDNode>(DRS->getContext());
- processSubprogram(DISubprogram(SP));
-}
-
-/// processRegionEnd - Process DbgRegionEnd.
-void DebugInfoFinder::processRegionEnd(DbgRegionEndInst *DRE) {
- MDNode *SP = dyn_cast<MDNode>(DRE->getContext());
- processSubprogram(DISubprogram(SP));
-}
-
/// processDeclare - Process DbgDeclareInst.
void DebugInfoFinder::processDeclare(DbgDeclareInst *DDI) {
DIVariable DV(cast<MDNode>(DDI->getVariable()));
CUs.push_back(CU.getNode());
return true;
}
-
+
/// addGlobalVariable - Add global variable into GVs.
bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable DIG) {
if (DIG.isNull())
bool DebugInfoFinder::addSubprogram(DISubprogram SP) {
if (SP.isNull())
return false;
-
+
if (!NodesSeen.insert(SP.getNode()))
return false;
return true;
}
-namespace llvm {
- /// findStopPoint - Find the stoppoint coressponding to this instruction, that
- /// is the stoppoint that dominates this instruction.
- const DbgStopPointInst *findStopPoint(const Instruction *Inst) {
- if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(Inst))
- return DSI;
-
- const BasicBlock *BB = Inst->getParent();
- BasicBlock::const_iterator I = Inst, B;
- while (BB) {
- B = BB->begin();
-
- // A BB consisting only of a terminator can't have a stoppoint.
- while (I != B) {
- --I;
- if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(I))
- return DSI;
- }
-
- // This BB didn't have a stoppoint: if there is only one predecessor, look
- // for a stoppoint there. We could use getIDom(), but that would require
- // dominator info.
- BB = I->getParent()->getUniquePredecessor();
- if (BB)
- I = BB->getTerminator();
- }
-
- return 0;
- }
-
- /// findBBStopPoint - Find the stoppoint corresponding to first real
- /// (non-debug intrinsic) instruction in this Basic Block, and return the
- /// stoppoint for it.
- const DbgStopPointInst *findBBStopPoint(const BasicBlock *BB) {
- for(BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I)
- if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(I))
- return DSI;
-
- // Fallback to looking for stoppoint of unique predecessor. Useful if this
- // BB contains no stoppoints, but unique predecessor does.
- BB = BB->getUniquePredecessor();
- if (BB)
- return findStopPoint(BB->getTerminator());
-
+/// Find the debug info descriptor corresponding to this global variable.
+static Value *findDbgGlobalDeclare(GlobalVariable *V) {
+ const Module *M = V->getParent();
+ NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv");
+ if (!NMD)
return 0;
- }
- Value *findDbgGlobalDeclare(GlobalVariable *V) {
- const Module *M = V->getParent();
- NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv");
- if (!NMD)
- return 0;
-
- for (unsigned i = 0, e = NMD->getNumElements(); i != e; ++i) {
- DIGlobalVariable DIG(cast_or_null<MDNode>(NMD->getElement(i)));
- if (DIG.isNull())
- continue;
- if (DIG.getGlobal() == V)
- return DIG.getNode();
- }
- return 0;
+ for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
+ DIGlobalVariable DIG(cast_or_null<MDNode>(NMD->getOperand(i)));
+ if (DIG.isNull())
+ continue;
+ if (DIG.getGlobal() == V)
+ return DIG.getNode();
}
+ return 0;
+}
- /// Finds the llvm.dbg.declare intrinsic corresponding to this value if any.
- /// It looks through pointer casts too.
- const DbgDeclareInst *findDbgDeclare(const Value *V, bool stripCasts) {
- if (stripCasts) {
- V = V->stripPointerCasts();
-
- // Look for the bitcast.
- for (Value::use_const_iterator I = V->use_begin(), E =V->use_end();
- I != E; ++I)
- if (isa<BitCastInst>(I))
- return findDbgDeclare(*I, false);
-
- return 0;
- }
-
- // Find llvm.dbg.declare among uses of the instruction.
- for (Value::use_const_iterator I = V->use_begin(), E =V->use_end();
- I != E; ++I)
- if (const DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I))
- return DDI;
-
+/// Finds the llvm.dbg.declare intrinsic corresponding to this value if any.
+/// 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;
- }
-
- bool getLocationInfo(const Value *V, std::string &DisplayName,
- std::string &Type, unsigned &LineNo, std::string &File,
- std::string &Dir) {
- DICompileUnit Unit;
- DIType TypeD;
-
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(const_cast<Value*>(V))) {
- Value *DIGV = findDbgGlobalDeclare(GV);
- if (!DIGV) return false;
- DIGlobalVariable Var(cast<MDNode>(DIGV));
-
- Var.getDisplayName(DisplayName);
- LineNo = Var.getLineNumber();
- Unit = Var.getCompileUnit();
- TypeD = Var.getType();
- } else {
- const DbgDeclareInst *DDI = findDbgDeclare(V);
- if (!DDI) return false;
- DIVariable Var(cast<MDNode>(DDI->getVariable()));
-
- Var.getName(DisplayName);
- LineNo = Var.getLineNumber();
- Unit = Var.getCompileUnit();
- TypeD = Var.getType();
- }
-
- TypeD.getName(Type);
- Unit.getFilename(File);
- Unit.getDirectory(Dir);
- return true;
- }
-
- /// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgStopPointInst &SPI,
- CodeGenOpt::Level OptLev) {
- return DIDescriptor::ValidDebugInfo(SPI.getContext(), OptLev);
- }
-
- /// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI,
- CodeGenOpt::Level OptLev) {
- return DIDescriptor::ValidDebugInfo(FSI.getSubprogram(), OptLev);
- }
+
+ 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)
+ if (const DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(BI))
+ if (DDI->getAddress() == V)
+ return DDI;
- /// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgRegionStartInst &RSI,
- CodeGenOpt::Level OptLev) {
- return DIDescriptor::ValidDebugInfo(RSI.getContext(), OptLev);
- }
+ return 0;
+}
- /// isValidDebugInfoIntrinsic - Return true if REI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgRegionEndInst &REI,
- CodeGenOpt::Level OptLev) {
- return DIDescriptor::ValidDebugInfo(REI.getContext(), OptLev);
+bool llvm::getLocationInfo(const Value *V, std::string &DisplayName,
+ std::string &Type, unsigned &LineNo,
+ std::string &File, std::string &Dir) {
+ DICompileUnit Unit;
+ DIType TypeD;
+
+ if (GlobalVariable *GV = dyn_cast<GlobalVariable>(const_cast<Value*>(V))) {
+ Value *DIGV = findDbgGlobalDeclare(GV);
+ if (!DIGV) return false;
+ DIGlobalVariable Var(cast<MDNode>(DIGV));
+
+ StringRef D = Var.getDisplayName();
+ if (!D.empty())
+ DisplayName = D;
+ LineNo = Var.getLineNumber();
+ Unit = Var.getCompileUnit();
+ TypeD = Var.getType();
+ } else {
+ const DbgDeclareInst *DDI = findDbgDeclare(V);
+ if (!DDI) return false;
+ DIVariable Var(cast<MDNode>(DDI->getVariable()));
+
+ StringRef D = Var.getName();
+ if (!D.empty())
+ DisplayName = D;
+ LineNo = Var.getLineNumber();
+ Unit = Var.getCompileUnit();
+ TypeD = Var.getType();
}
+ StringRef T = TypeD.getName();
+ if (!T.empty())
+ Type = T;
+ StringRef F = Unit.getFilename();
+ if (!F.empty())
+ File = F;
+ StringRef D = Unit.getDirectory();
+ if (!D.empty())
+ Dir = D;
+ return true;
+}
- /// isValidDebugInfoIntrinsic - Return true if DI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgDeclareInst &DI,
- CodeGenOpt::Level OptLev) {
- return DIDescriptor::ValidDebugInfo(DI.getVariable(), OptLev);
- }
-
- /// ExtractDebugLocation - Extract debug location information
- /// from llvm.dbg.stoppoint intrinsic.
- DebugLoc ExtractDebugLocation(DbgStopPointInst &SPI,
- DebugLocTracker &DebugLocInfo) {
- DebugLoc DL;
- Value *Context = SPI.getContext();
-
- // If this location is already tracked then use it.
- DebugLocTuple Tuple(cast<MDNode>(Context), SPI.getLine(),
- SPI.getColumn());
- DenseMap<DebugLocTuple, unsigned>::iterator II
- = DebugLocInfo.DebugIdMap.find(Tuple);
- if (II != DebugLocInfo.DebugIdMap.end())
- return DebugLoc::get(II->second);
-
- // Add a new location entry.
- unsigned Id = DebugLocInfo.DebugLocations.size();
- DebugLocInfo.DebugLocations.push_back(Tuple);
- DebugLocInfo.DebugIdMap[Tuple] = Id;
-
- return DebugLoc::get(Id);
- }
+/// ExtractDebugLocation - Extract debug location information
+/// from DILocation.
+DebugLoc llvm::ExtractDebugLocation(DILocation &Loc,
+ DebugLocTracker &DebugLocInfo) {
+ DenseMap<MDNode *, unsigned>::iterator II
+ = DebugLocInfo.DebugIdMap.find(Loc.getNode());
+ if (II != DebugLocInfo.DebugIdMap.end())
+ return DebugLoc::get(II->second);
- /// ExtractDebugLocation - Extract debug location information
- /// from llvm.dbg.func_start intrinsic.
- DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI,
- DebugLocTracker &DebugLocInfo) {
- DebugLoc DL;
- Value *SP = FSI.getSubprogram();
-
- DISubprogram Subprogram(cast<MDNode>(SP));
- unsigned Line = Subprogram.getLineNumber();
- DICompileUnit CU(Subprogram.getCompileUnit());
-
- // If this location is already tracked then use it.
- DebugLocTuple Tuple(CU.getNode(), Line, /* Column */ 0);
- DenseMap<DebugLocTuple, unsigned>::iterator II
- = DebugLocInfo.DebugIdMap.find(Tuple);
- if (II != DebugLocInfo.DebugIdMap.end())
- return DebugLoc::get(II->second);
-
- // Add a new location entry.
- unsigned Id = DebugLocInfo.DebugLocations.size();
- DebugLocInfo.DebugLocations.push_back(Tuple);
- DebugLocInfo.DebugIdMap[Tuple] = Id;
-
- return DebugLoc::get(Id);
- }
+ // Add a new location entry.
+ unsigned Id = DebugLocInfo.DebugLocations.size();
+ DebugLocInfo.DebugLocations.push_back(Loc.getNode());
+ DebugLocInfo.DebugIdMap[Loc.getNode()] = Id;
- /// isInlinedFnStart - Return true if FSI is starting an inlined function.
- bool isInlinedFnStart(DbgFuncStartInst &FSI, const Function *CurrentFn) {
- DISubprogram Subprogram(cast<MDNode>(FSI.getSubprogram()));
- if (Subprogram.describes(CurrentFn))
- return false;
-
- return true;
- }
+ return DebugLoc::get(Id);
+}
- /// isInlinedFnEnd - Return true if REI is ending an inlined function.
- bool isInlinedFnEnd(DbgRegionEndInst &REI, const Function *CurrentFn) {
- DISubprogram Subprogram(cast<MDNode>(REI.getContext()));
- if (Subprogram.isNull() || Subprogram.describes(CurrentFn))
- return false;
+/// getDISubprogram - Find subprogram that is enclosing this scope.
+DISubprogram llvm::getDISubprogram(MDNode *Scope) {
+ DIDescriptor D(Scope);
+ if (D.isNull())
+ return DISubprogram();
+
+ if (D.isCompileUnit())
+ return DISubprogram();
+
+ if (D.isSubprogram())
+ return DISubprogram(Scope);
+
+ if (D.isLexicalBlock())
+ return getDISubprogram(DILexicalBlock(Scope).getContext().getNode());
+
+ return DISubprogram();
+}
- return true;
- }
+/// getDICompositeType - Find underlying composite type.
+DICompositeType llvm::getDICompositeType(DIType T) {
+ if (T.isNull())
+ return DICompositeType();
+
+ if (T.isCompositeType())
+ return DICompositeType(T.getNode());
+
+ if (T.isDerivedType())
+ return getDICompositeType(DIDerivedType(T.getNode()).getTypeDerivedFrom());
+
+ return DICompositeType();
}
projects / oota-llvm.git / blobdiff