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();
-}
-
-bool DIExpression::isBitPiece() const {
- unsigned N = getNumElements();
- return N >=3 && getElement(N-3) == dwarf::DW_OP_bit_piece;
-}
-
-uint64_t DIExpression::getBitPieceOffset() const {
- assert(isBitPiece() && "not a piece");
- return getElement(getNumElements()-2);
-}
-
-uint64_t DIExpression::getBitPieceSize() const {
- assert(isBitPiece() && "not a piece");
- return getElement(getNumElements()-1);
-}
-
-//===----------------------------------------------------------------------===//
-// 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
-
-void DICompositeType::setArraysHelper(MDNode *Elements, MDNode *TParams) {
- TypedTrackingMDRef<MDCompositeTypeBase> N(get());
- if (Elements)
- N->replaceElements(cast<MDTuple>(Elements));
- if (TParams)
- N->replaceTemplateParams(cast<MDTuple>(TParams));
- DbgNode = N;
-}
-
-DIScopeRef DIScope::getRef() const { return MDScopeRef::get(get()); }
-
-void DICompositeType::setContainingType(DICompositeType ContainingType) {
- TypedTrackingMDRef<MDCompositeTypeBase> N(get());
- N->replaceVTableHolder(MDTypeRef::get(ContainingType));
- DbgNode = N;
-}
-
-bool DIVariable::isInlinedFnArgument(const Function *CurFn) {
- assert(CurFn && "Invalid function");
- DISubprogram SP = dyn_cast<MDSubprogram>(getContext());
- if (!SP)
- return false;
- // This variable is not inlined function argument if its scope
- // does not describe current function.
- return !SP.describes(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());
- return nullptr;
-}
-
-bool DISubprogram::describes(const Function *F) {
- assert(F && "Invalid function");
- if (F == getFunction())
- return true;
- StringRef Name = getLinkageName();
- if (Name.empty())
- Name = getName();
- if (F->getName() == Name)
- return true;
- return false;
-}
-
-GlobalVariable *DIGlobalVariable::getGlobal() const {
- 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()));
-}
-
-void DICompileUnit::replaceGlobalVariables(DIArray GlobalVariables) {
- get()->replaceGlobalVariables(cast_or_null<MDTuple>(GlobalVariables.get()));
-}
-
-DILocation DILocation::copyWithNewScope(LLVMContext &Ctx,
- DILexicalBlockFile NewScope) {
- assert(NewScope && "Expected valid scope");
-
- const auto *Old = cast<MDLocation>(DbgNode);
- return DILocation(MDLocation::get(Ctx, Old->getLine(), Old->getColumn(),
- NewScope, Old->getInlinedAt()));
-}
-
-unsigned DILocation::computeNewDiscriminator(LLVMContext &Ctx) {
- std::pair<const char *, unsigned> Key(getFilename().data(), getLineNumber());
- return ++Ctx.pImpl->DiscriminatorTable[Key];
-}
-
-DIVariable llvm::createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
- LLVMContext &VMContext) {
- return cast<MDLocalVariable>(DV)
- ->withInline(cast_or_null<MDLocation>(InlinedScope));
-}
-
-DIVariable llvm::cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext) {
- return cast<MDLocalVariable>(DV)->withoutInline();
-}
-
-DISubprogram llvm::getDISubprogram(const MDNode *Scope) {
- if (auto *LocalScope = dyn_cast_or_null<MDLocalScope>(Scope))
+DISubprogram *llvm::getDISubprogram(const MDNode *Scope) {
+ if (auto *LocalScope = dyn_cast_or_null<DILocalScope>(Scope))
return LocalScope->getSubprogram();
return nullptr;
}
-DISubprogram llvm::getDISubprogram(const Function *F) {
+DISubprogram *llvm::getDISubprogram(const Function *F) {
// We look for the first instr that has a debug annotation leading back to F.
for (auto &BB : *F) {
auto Inst = std::find_if(BB.begin(), BB.end(), [](const Instruction &Inst) {
continue;
DebugLoc DLoc = Inst->getDebugLoc();
const MDNode *Scope = DLoc.getInlinedAtScope();
- DISubprogram Subprogram = getDISubprogram(Scope);
- return Subprogram.describes(F) ? Subprogram : DISubprogram();
- }
-
- return DISubprogram();
-}
-
-DICompositeType llvm::getDICompositeType(DIType T) {
- if (auto *C = dyn_cast_or_null<MDCompositeTypeBase>(T))
- return C;
-
- if (auto *D = dyn_cast_or_null<MDDerivedTypeBase>(T)) {
- // This function is currently used by dragonegg and dragonegg does
- // not generate identifier for types, so using an empty map to resolve
- // DerivedFrom should be fine.
- DITypeIdentifierMap EmptyMap;
- return getDICompositeType(
- DIDerivedType(D).getTypeDerivedFrom().resolve(EmptyMap));
+ auto *Subprogram = getDISubprogram(Scope);
+ return Subprogram->describes(F) ? Subprogram : nullptr;
}
return nullptr;
llvm::generateDITypeIdentifierMap(const NamedMDNode *CU_Nodes) {
DITypeIdentifierMap Map;
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)))
+ auto *CU = cast<DICompileUnit>(CU_Nodes->getOperand(CUi));
+ DINodeArray Retain = CU->getRetainedTypes();
+ for (unsigned Ti = 0, Te = Retain.size(); Ti != Te; ++Ti) {
+ if (!isa<DICompositeType>(Retain[Ti]))
continue;
- DICompositeType Ty = cast<MDCompositeType>(Retain.getElement(Ti));
- if (MDString *TypeId = Ty.getIdentifier()) {
+ auto *Ty = cast<DICompositeType>(Retain[Ti]);
+ if (MDString *TypeId = Ty->getRawIdentifier()) {
// Definition has priority over declaration.
// Try to insert (TypeId, Ty) to Map.
std::pair<DITypeIdentifierMap::iterator, bool> P =
Map.insert(std::make_pair(TypeId, Ty));
// If TypeId already exists in Map and this is a definition, replace
// whatever we had (declaration or definition) with the definition.
- if (!P.second && !Ty.isForwardDecl())
+ if (!P.second && !Ty->isForwardDecl())
P.first->second = Ty;
}
}
InitializeTypeMap(M);
if (NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu")) {
for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
- DICompileUnit CU = cast<MDCompileUnit>(CU_Nodes->getOperand(i));
+ auto *CU = cast<DICompileUnit>(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 (auto *DIG : CU->getGlobalVariables()) {
if (addGlobalVariable(DIG)) {
- processScope(DIG.getContext());
- processType(DIG.getType().resolve(TypeIdentifierMap));
+ processScope(DIG->getScope());
+ 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));
- DIDescriptor Entity = Import.getEntity().resolve(TypeIdentifierMap);
- if (auto *T = dyn_cast<MDType>(Entity))
+ for (auto *SP : CU->getSubprograms())
+ processSubprogram(SP);
+ for (auto *ET : CU->getEnumTypes())
+ processType(ET);
+ for (auto *RT : CU->getRetainedTypes())
+ processType(RT);
+ for (auto *Import : CU->getImportedEntities()) {
+ auto *Entity = Import->getEntity().resolve(TypeIdentifierMap);
+ if (auto *T = dyn_cast<DIType>(Entity))
processType(T);
- else if (auto *SP = dyn_cast<MDSubprogram>(Entity))
+ else if (auto *SP = dyn_cast<DISubprogram>(Entity))
processSubprogram(SP);
- else if (auto *NS = dyn_cast<MDNamespace>(Entity))
+ else if (auto *NS = dyn_cast<DINamespace>(Entity))
processScope(NS->getScope());
+ else if (auto *M = dyn_cast<DIModule>(Entity))
+ processScope(M->getScope());
}
}
}
}
-void DebugInfoFinder::processLocation(const Module &M, DILocation Loc) {
+void DebugInfoFinder::processLocation(const Module &M, const DILocation *Loc) {
if (!Loc)
return;
InitializeTypeMap(M);
- processScope(Loc.getScope());
- processLocation(M, Loc.getOrigLocation());
+ processScope(Loc->getScope());
+ processLocation(M, Loc->getInlinedAt());
}
-void DebugInfoFinder::processType(DIType DT) {
+void DebugInfoFinder::processType(DIType *DT) {
if (!addType(DT))
return;
- processScope(DT.getContext().resolve(TypeIdentifierMap));
- 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));
- return;
- }
- DIArray DA = DCT.getElements();
- for (unsigned i = 0, e = DA.getNumElements(); i != e; ++i) {
- DIDescriptor D = DA.getElement(i);
- if (DIType T = dyn_cast<MDType>(D))
+ processScope(DT->getScope().resolve(TypeIdentifierMap));
+ if (auto *ST = dyn_cast<DISubroutineType>(DT)) {
+ for (DITypeRef Ref : ST->getTypeArray())
+ processType(Ref.resolve(TypeIdentifierMap));
+ return;
+ }
+ if (auto *DCT = dyn_cast<DICompositeType>(DT)) {
+ processType(DCT->getBaseType().resolve(TypeIdentifierMap));
+ for (Metadata *D : DCT->getElements()) {
+ if (auto *T = dyn_cast<DIType>(D))
processType(T);
- else if (DISubprogram SP = dyn_cast<MDSubprogram>(D))
+ else if (auto *SP = dyn_cast<DISubprogram>(D))
processSubprogram(SP);
}
- } else if (DIDerivedType DDT = dyn_cast<MDDerivedTypeBase>(DT)) {
- processType(DDT.getTypeDerivedFrom().resolve(TypeIdentifierMap));
+ return;
+ }
+ if (auto *DDT = dyn_cast<DIDerivedType>(DT)) {
+ processType(DDT->getBaseType().resolve(TypeIdentifierMap));
}
}
-void DebugInfoFinder::processScope(DIScope Scope) {
+void DebugInfoFinder::processScope(DIScope *Scope) {
if (!Scope)
return;
- if (DIType Ty = dyn_cast<MDType>(Scope)) {
+ if (auto *Ty = dyn_cast<DIType>(Scope)) {
processType(Ty);
return;
}
- if (DICompileUnit CU = dyn_cast<MDCompileUnit>(Scope)) {
+ if (auto *CU = dyn_cast<DICompileUnit>(Scope)) {
addCompileUnit(CU);
return;
}
- if (DISubprogram SP = dyn_cast<MDSubprogram>(Scope)) {
+ if (auto *SP = dyn_cast<DISubprogram>(Scope)) {
processSubprogram(SP);
return;
}
if (!addScope(Scope))
return;
- if (DILexicalBlock LB = dyn_cast<MDLexicalBlockBase>(Scope)) {
- processScope(LB.getContext());
- } else if (DINameSpace NS = dyn_cast<MDNamespace>(Scope)) {
- processScope(NS.getContext());
+ if (auto *LB = dyn_cast<DILexicalBlockBase>(Scope)) {
+ processScope(LB->getScope());
+ } else if (auto *NS = dyn_cast<DINamespace>(Scope)) {
+ processScope(NS->getScope());
+ } else if (auto *M = dyn_cast<DIModule>(Scope)) {
+ processScope(M->getScope());
}
}
-void DebugInfoFinder::processSubprogram(DISubprogram SP) {
+void DebugInfoFinder::processSubprogram(DISubprogram *SP) {
if (!addSubprogram(SP))
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);
- if (DITemplateTypeParameter TType =
- dyn_cast<MDTemplateTypeParameter>(Element)) {
- processType(TType.getType().resolve(TypeIdentifierMap));
- } else if (DITemplateValueParameter TVal =
- dyn_cast<MDTemplateValueParameter>(Element)) {
- processType(TVal.getType().resolve(TypeIdentifierMap));
+ processScope(SP->getScope().resolve(TypeIdentifierMap));
+ processType(SP->getType());
+ for (auto *Element : SP->getTemplateParams()) {
+ if (auto *TType = dyn_cast<DITemplateTypeParameter>(Element)) {
+ processType(TType->getType().resolve(TypeIdentifierMap));
+ } else if (auto *TVal = dyn_cast<DITemplateValueParameter>(Element)) {
+ processType(TVal->getType().resolve(TypeIdentifierMap));
}
}
}
void DebugInfoFinder::processDeclare(const Module &M,
const DbgDeclareInst *DDI) {
- MDNode *N = dyn_cast<MDNode>(DDI->getVariable());
+ auto *N = dyn_cast<MDNode>(DDI->getVariable());
if (!N)
return;
InitializeTypeMap(M);
- DIVariable DV = dyn_cast<MDLocalVariable>(N);
+ auto *DV = dyn_cast<DILocalVariable>(N);
if (!DV)
return;
if (!NodesSeen.insert(DV).second)
return;
- processScope(DV.getContext());
- processType(DV.getType().resolve(TypeIdentifierMap));
+ processScope(DV->getScope());
+ processType(DV->getType().resolve(TypeIdentifierMap));
}
void DebugInfoFinder::processValue(const Module &M, const DbgValueInst *DVI) {
- MDNode *N = dyn_cast<MDNode>(DVI->getVariable());
+ auto *N = dyn_cast<MDNode>(DVI->getVariable());
if (!N)
return;
InitializeTypeMap(M);
- DIVariable DV = dyn_cast<MDLocalVariable>(N);
+ auto *DV = dyn_cast<DILocalVariable>(N);
if (!DV)
return;
if (!NodesSeen.insert(DV).second)
return;
- processScope(DV.getContext());
- processType(DV.getType().resolve(TypeIdentifierMap));
+ processScope(DV->getScope());
+ processType(DV->getType().resolve(TypeIdentifierMap));
}
-bool DebugInfoFinder::addType(DIType DT) {
+bool DebugInfoFinder::addType(DIType *DT) {
if (!DT)
return false;
if (!NodesSeen.insert(DT).second)
return false;
- TYs.push_back(DT);
+ TYs.push_back(const_cast<DIType *>(DT));
return true;
}
-bool DebugInfoFinder::addCompileUnit(DICompileUnit CU) {
+bool DebugInfoFinder::addCompileUnit(DICompileUnit *CU) {
if (!CU)
return false;
if (!NodesSeen.insert(CU).second)
return true;
}
-bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable DIG) {
+bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable *DIG) {
if (!DIG)
return false;
return true;
}
-bool DebugInfoFinder::addSubprogram(DISubprogram SP) {
+bool DebugInfoFinder::addSubprogram(DISubprogram *SP) {
if (!SP)
return false;
return true;
}
-bool DebugInfoFinder::addScope(DIScope Scope) {
+bool DebugInfoFinder::addScope(DIScope *Scope) {
if (!Scope)
return false;
// FIXME: Ocaml binding generates a scope with no content, we treat it
return true;
}
-//===----------------------------------------------------------------------===//
-// DIDescriptor: dump routines for all descriptors.
-//===----------------------------------------------------------------------===//
-
-void DIDescriptor::dump() const {
- print(dbgs());
- dbgs() << '\n';
-}
-
-void DIDescriptor::print(raw_ostream &OS) const {
- if (!get())
- return;
- get()->print(OS);
-}
-
-static void printDebugLoc(DebugLoc DL, raw_ostream &CommentOS,
- const LLVMContext &Ctx) {
- if (!DL)
- return;
-
- DIScope Scope = cast<MDScope>(DL.getScope());
- // Omit the directory, because it's likely to be long and uninteresting.
- CommentOS << Scope.getFilename();
- CommentOS << ':' << DL.getLine();
- if (DL.getCol() != 0)
- CommentOS << ':' << DL.getCol();
-
- DebugLoc InlinedAtDL = DL.getInlinedAt();
- if (!InlinedAtDL)
- return;
-
- CommentOS << " @[ ";
- printDebugLoc(InlinedAtDL, CommentOS, Ctx);
- CommentOS << " ]";
-}
-
-void DIVariable::printExtendedName(raw_ostream &OS) const {
- const LLVMContext &Ctx = DbgNode->getContext();
- StringRef Res = getName();
- if (!Res.empty())
- OS << Res << "," << getLineNumber();
- if (auto *InlinedAt = get()->getInlinedAt()) {
- if (DebugLoc InlinedAtDL = InlinedAt) {
- OS << " @[";
- printDebugLoc(InlinedAtDL, OS, Ctx);
- OS << "]";
- }
- }
-}
-
-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 {
- return DIDescriptor(DebugNodeRef(Val).resolve(Map));
-}
-template <>
-DIScope DIRef<DIScope>::resolve(const DITypeIdentifierMap &Map) const {
- return MDScopeRef(Val).resolve(Map);
-}
-template <>
-DIType DIRef<DIType>::resolve(const DITypeIdentifierMap &Map) const {
- return MDTypeRef(Val).resolve(Map);
-}
-
bool llvm::stripDebugInfo(Function &F) {
bool Changed = false;
+ if (F.getSubprogram()) {
+ Changed = true;
+ F.setSubprogram(nullptr);
+ }
for (BasicBlock &BB : F) {
for (Instruction &I : BB) {
if (I.getDebugLoc()) {
for (Module::named_metadata_iterator NMI = M.named_metadata_begin(),
NME = M.named_metadata_end(); NMI != NME;) {
- NamedMDNode *NMD = NMI;
+ NamedMDNode *NMD = &*NMI;
++NMI;
if (NMD->getName().startswith("llvm.dbg.")) {
NMD->eraseFromParent();
return Val->getZExtValue();
return 0;
}
-
-llvm::DenseMap<const llvm::Function *, llvm::DISubprogram>
-llvm::makeSubprogramMap(const Module &M) {
- DenseMap<const Function *, DISubprogram> R;
-
- NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu");
- if (!CU_Nodes)
- return R;
-
- 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));
- if (Function *F = SP.getFunction())
- R.insert(std::make_pair(F, SP));
- }
- }
- return R;
-}
projects / oota-llvm.git / blobdiff