using namespace llvm;
using namespace llvm::dwarf;
-//===----------------------------------------------------------------------===//
-// DIDescriptor
-//===----------------------------------------------------------------------===//
-
-static Metadata *getField(const MDNode *DbgNode, unsigned Elt) {
- if (!DbgNode || Elt >= DbgNode->getNumOperands())
- return nullptr;
- return DbgNode->getOperand(Elt);
-}
-
-static MDNode *getNodeField(const MDNode *DbgNode, unsigned Elt) {
- return dyn_cast_or_null<MDNode>(getField(DbgNode, Elt));
-}
-
-DIDescriptor DIDescriptor::getDescriptorField(unsigned Elt) const {
- MDNode *Field = getNodeField(DbgNode, Elt);
- return DIDescriptor(Field);
-}
-
-/// \brief Return the size reported by the variable's type.
-unsigned DIVariable::getSizeInBits(const DITypeIdentifierMap &Map) {
- DIType Ty = getType().resolve(Map);
- // Follow derived types until we reach a type that
- // reports back a size.
- while (isa<MDDerivedType>(Ty) && !Ty.getSizeInBits()) {
- DIDerivedType DT = cast<MDDerivedType>(Ty);
- Ty = DT.getTypeDerivedFrom().resolve(Map);
- }
- assert(Ty.getSizeInBits() && "type with size 0");
- return Ty.getSizeInBits();
-}
-
//===----------------------------------------------------------------------===//
// Simple Descriptor Constructors and other Methods
//===----------------------------------------------------------------------===//
-void DIDescriptor::replaceAllUsesWith(LLVMContext &, DIDescriptor D) {
- assert(DbgNode && "Trying to replace an unverified type!");
- assert(DbgNode->isTemporary() && "Expected temporary node");
- TempMDNode Temp(get());
-
- // 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 (Temp.get() == D.get()) {
- DbgNode = MDNode::replaceWithUniqued(std::move(Temp));
- return;
- }
-
- Temp->replaceAllUsesWith(D.get());
- DbgNode = D.get();
-}
-
-void DIDescriptor::replaceAllUsesWith(MDNode *D) {
- assert(DbgNode && "Trying to replace an unverified type!");
- assert(DbgNode != D && "This replacement should always happen");
- assert(DbgNode->isTemporary() && "Expected temporary node");
- TempMDNode Node(get());
- Node->replaceAllUsesWith(D);
-}
-
-#ifndef NDEBUG
-/// \brief Check if a value can be a reference to a type.
-static bool isTypeRef(const Metadata *MD) {
- if (!MD)
- return true;
- if (auto *S = dyn_cast<MDString>(MD))
- return !S->getString().empty();
- return isa<MDType>(MD);
-}
-
-/// \brief Check if a value can be a ScopeRef.
-static bool isScopeRef(const Metadata *MD) {
- if (!MD)
- return true;
- if (auto *S = dyn_cast<MDString>(MD))
- return !S->getString().empty();
- return isa<MDScope>(MD);
-}
-
-/// \brief Check if a value can be a DescriptorRef.
-static bool isDescriptorRef(const Metadata *MD) {
- if (!MD)
- return true;
- if (auto *S = dyn_cast<MDString>(MD))
- return !S->getString().empty();
- return isa<MDNode>(MD);
-}
-#endif
-
DIScopeRef DIScope::getRef() const { return MDScopeRef::get(get()); }
bool DIVariable::isInlinedFnArgument(const Function *CurFn) {
}
Function *DISubprogram::getFunction() const {
- if (auto *N = get())
- if (auto *C = dyn_cast_or_null<ConstantAsMetadata>(N->getFunction()))
- return dyn_cast<Function>(C->getValue());
+ if (auto *C = dyn_cast_or_null<ConstantAsMetadata>(get()->getFunction()))
+ return dyn_cast<Function>(C->getValue());
return nullptr;
}
return dyn_cast_or_null<GlobalVariable>(getConstant());
}
-DIScopeRef DIScope::getContext() const {
- if (DIType T = dyn_cast<MDType>(*this))
- return T.getContext();
-
- if (DISubprogram SP = dyn_cast<MDSubprogram>(*this))
- return DIScopeRef(SP.getContext());
-
- if (DILexicalBlock LB = dyn_cast<MDLexicalBlockBase>(*this))
- return DIScopeRef(LB.getContext());
-
- if (DINameSpace NS = dyn_cast<MDNamespace>(*this))
- return DIScopeRef(NS.getContext());
-
- assert((isa<MDFile>(*this) || isa<MDCompileUnit>(*this)) &&
- "Unhandled type of scope.");
- return DIScopeRef(nullptr);
-}
-
-StringRef DIScope::getName() const {
- if (DIType T = dyn_cast<MDType>(*this))
- return T.getName();
- if (DISubprogram SP = dyn_cast<MDSubprogram>(*this))
- return SP.getName();
- if (DINameSpace NS = dyn_cast<MDNamespace>(*this))
- return NS.getName();
- assert((isa<MDLexicalBlockBase>(*this) || isa<MDFile>(*this) ||
- isa<MDCompileUnit>(*this)) &&
- "Unhandled type of scope.");
- return StringRef();
-}
-
-StringRef DIScope::getFilename() const {
- if (auto *N = get())
- if (auto *F = N->getFile())
- return F->getFilename();
- return "";
-}
-
-StringRef DIScope::getDirectory() const {
- if (auto *N = get())
- if (auto *F = N->getFile())
- return F->getDirectory();
- return "";
-}
-
void DICompileUnit::replaceSubprograms(DIArray Subprograms) {
- get()->replaceSubprograms(cast_or_null<MDTuple>(Subprograms.get()));
+ get()->replaceSubprograms(MDSubprogramArray(Subprograms));
}
void DICompileUnit::replaceGlobalVariables(DIArray GlobalVariables) {
- get()->replaceGlobalVariables(cast_or_null<MDTuple>(GlobalVariables.get()));
+ get()->replaceGlobalVariables(MDGlobalVariableArray(GlobalVariables));
}
DILocation DILocation::copyWithNewScope(LLVMContext &Ctx,
for (unsigned CUi = 0, CUe = CU_Nodes->getNumOperands(); CUi != CUe; ++CUi) {
DICompileUnit CU = cast<MDCompileUnit>(CU_Nodes->getOperand(CUi));
DIArray Retain = CU.getRetainedTypes();
- for (unsigned Ti = 0, Te = Retain.getNumElements(); Ti != Te; ++Ti) {
- if (!isa<MDCompositeType>(Retain.getElement(Ti)))
+ for (unsigned Ti = 0, Te = Retain.size(); Ti != Te; ++Ti) {
+ if (!isa<MDCompositeType>(Retain[Ti]))
continue;
- DICompositeType Ty = cast<MDCompositeType>(Retain.getElement(Ti));
+ DICompositeType Ty = cast<MDCompositeType>(Retain[Ti]);
if (MDString *TypeId = Ty.getIdentifier()) {
// Definition has priority over declaration.
// Try to insert (TypeId, Ty) to Map.
for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
DICompileUnit CU = cast<MDCompileUnit>(CU_Nodes->getOperand(i));
addCompileUnit(CU);
- DIArray GVs = CU.getGlobalVariables();
- for (unsigned i = 0, e = GVs.getNumElements(); i != e; ++i) {
- DIGlobalVariable DIG = cast<MDGlobalVariable>(GVs.getElement(i));
+ for (DIGlobalVariable DIG : CU->getGlobalVariables()) {
if (addGlobalVariable(DIG)) {
processScope(DIG.getContext());
processType(DIG.getType().resolve(TypeIdentifierMap));
}
}
- DIArray SPs = CU.getSubprograms();
- for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i)
- processSubprogram(cast<MDSubprogram>(SPs.getElement(i)));
- DIArray EnumTypes = CU.getEnumTypes();
- for (unsigned i = 0, e = EnumTypes.getNumElements(); i != e; ++i)
- processType(cast<MDType>(EnumTypes.getElement(i)));
- DIArray RetainedTypes = CU.getRetainedTypes();
- for (unsigned i = 0, e = RetainedTypes.getNumElements(); i != e; ++i)
- processType(cast<MDType>(RetainedTypes.getElement(i)));
- DIArray Imports = CU.getImportedEntities();
- for (unsigned i = 0, e = Imports.getNumElements(); i != e; ++i) {
- DIImportedEntity Import = cast<MDImportedEntity>(Imports.getElement(i));
+ for (auto *SP : CU->getSubprograms())
+ processSubprogram(SP);
+ for (auto *ET : CU->getEnumTypes())
+ processType(ET);
+ for (auto *RT : CU->getRetainedTypes())
+ processType(RT);
+ for (DIImportedEntity Import : CU->getImportedEntities()) {
DIDescriptor Entity = Import.getEntity().resolve(TypeIdentifierMap);
if (auto *T = dyn_cast<MDType>(Entity))
processType(T);
if (DICompositeType DCT = dyn_cast<MDCompositeTypeBase>(DT)) {
processType(DCT.getTypeDerivedFrom().resolve(TypeIdentifierMap));
if (DISubroutineType ST = dyn_cast<MDSubroutineType>(DCT)) {
- DITypeArray DTA = ST.getTypeArray();
- for (unsigned i = 0, e = DTA.getNumElements(); i != e; ++i)
- processType(DTA.getElement(i).resolve(TypeIdentifierMap));
+ for (MDTypeRef Ref : ST->getTypeArray())
+ processType(Ref.resolve(TypeIdentifierMap));
return;
}
- DIArray DA = DCT.getElements();
- for (unsigned i = 0, e = DA.getNumElements(); i != e; ++i) {
- DIDescriptor D = DA.getElement(i);
+ for (Metadata *D : DCT->getElements()->operands()) {
if (DIType T = dyn_cast<MDType>(D))
processType(T);
else if (DISubprogram SP = dyn_cast<MDSubprogram>(D))
return;
processScope(SP.getContext().resolve(TypeIdentifierMap));
processType(SP.getType());
- DIArray TParams = SP.getTemplateParams();
- for (unsigned I = 0, E = TParams.getNumElements(); I != E; ++I) {
- DIDescriptor Element = TParams.getElement(I);
+ for (auto *Element : SP.getTemplateParams()) {
if (DITemplateTypeParameter TType =
dyn_cast<MDTemplateTypeParameter>(Element)) {
processType(TType.getType().resolve(TypeIdentifierMap));
}
}
-template <> DIRef<DIDescriptor>::DIRef(const Metadata *V) : Val(V) {
- assert(isDescriptorRef(V) &&
- "DIDescriptorRef should be a MDString or MDNode");
-}
-template <> DIRef<DIScope>::DIRef(const Metadata *V) : Val(V) {
- assert(isScopeRef(V) && "DIScopeRef should be a MDString or MDNode");
-}
-template <> DIRef<DIType>::DIRef(const Metadata *V) : Val(V) {
- assert(isTypeRef(V) && "DITypeRef should be a MDString or MDNode");
-}
-
-template <>
-DIDescriptorRef DIDescriptor::getFieldAs<DIDescriptorRef>(unsigned Elt) const {
- return DIDescriptorRef(cast_or_null<Metadata>(getField(DbgNode, Elt)));
-}
-template <>
-DIScopeRef DIDescriptor::getFieldAs<DIScopeRef>(unsigned Elt) const {
- return DIScopeRef(cast_or_null<Metadata>(getField(DbgNode, Elt)));
-}
-template <> DITypeRef DIDescriptor::getFieldAs<DITypeRef>(unsigned Elt) const {
- return DITypeRef(cast_or_null<Metadata>(getField(DbgNode, Elt)));
-}
-
template <>
DIDescriptor
DIRef<DIDescriptor>::resolve(const DITypeIdentifierMap &Map) const {
for (MDNode *N : CU_Nodes->operands()) {
DICompileUnit CUNode = cast<MDCompileUnit>(N);
- DIArray SPs = CUNode.getSubprograms();
- for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
- DISubprogram SP = cast<MDSubprogram>(SPs.getElement(i));
+ for (DISubprogram SP : CUNode->getSubprograms()) {
if (Function *F = SP.getFunction())
R.insert(std::make_pair(F, SP));
}
projects / oota-llvm.git / blobdiff