//
//===----------------------------------------------------------------------===//
-#include "llvm/DIBuilder.h"
+#include "llvm/IR/DIBuilder.h"
#include "llvm/ADT/STLExtras.h"
-#include "llvm/DebugInfo.h"
#include "llvm/IR/Constants.h"
+#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/Debug.h"
using namespace llvm;
using namespace llvm::dwarf;
-static Constant *GetTagConstant(LLVMContext &VMContext, unsigned Tag) {
- assert((Tag & LLVMDebugVersionMask) == 0 &&
- "Tag too large for debug encoding!");
- return ConstantInt::get(Type::getInt32Ty(VMContext), Tag | LLVMDebugVersion);
+namespace {
+class HeaderBuilder {
+ /// \brief Whether there are any fields yet.
+ ///
+ /// Note that this is not equivalent to \c Chars.empty(), since \a concat()
+ /// may have been called already with an empty string.
+ bool IsEmpty;
+ SmallVector<char, 256> Chars;
+
+public:
+ HeaderBuilder() : IsEmpty(true) {}
+ HeaderBuilder(const HeaderBuilder &X) : IsEmpty(X.IsEmpty), Chars(X.Chars) {}
+ HeaderBuilder(HeaderBuilder &&X)
+ : IsEmpty(X.IsEmpty), Chars(std::move(X.Chars)) {}
+
+ template <class Twineable> HeaderBuilder &concat(Twineable &&X) {
+ if (IsEmpty)
+ IsEmpty = false;
+ else
+ Chars.push_back(0);
+ Twine(X).toVector(Chars);
+ return *this;
+ }
+
+ MDString *get(LLVMContext &Context) const {
+ return MDString::get(Context, StringRef(Chars.begin(), Chars.size()));
+ }
+
+ static HeaderBuilder get(unsigned Tag) {
+ return HeaderBuilder().concat("0x" + Twine::utohexstr(Tag));
+ }
+};
}
-DIBuilder::DIBuilder(Module &m)
- : M(m), VMContext(M.getContext()), TheCU(0), TempEnumTypes(0),
- TempRetainTypes(0), TempSubprograms(0), TempGVs(0), DeclareFn(0),
- ValueFn(0)
-{}
+DIBuilder::DIBuilder(Module &m, bool AllowUnresolvedNodes)
+ : M(m), VMContext(M.getContext()), TempEnumTypes(nullptr),
+ TempRetainTypes(nullptr), TempSubprograms(nullptr), TempGVs(nullptr),
+ DeclareFn(nullptr), ValueFn(nullptr),
+ AllowUnresolvedNodes(AllowUnresolvedNodes) {}
+
+void DIBuilder::trackIfUnresolved(MDNode *N) {
+ if (!N)
+ return;
+ if (N->isResolved())
+ return;
+
+ assert(AllowUnresolvedNodes && "Cannot handle unresolved nodes");
+ UnresolvedNodes.emplace_back(N);
+}
-/// finalize - Construct any deferred debug info descriptors.
void DIBuilder::finalize() {
DIArray Enums = getOrCreateArray(AllEnumTypes);
DIType(TempEnumTypes).replaceAllUsesWith(Enums);
- DIArray RetainTypes = getOrCreateArray(AllRetainTypes);
+ SmallVector<Metadata *, 16> RetainValues;
+ // Declarations and definitions of the same type may be retained. Some
+ // clients RAUW these pairs, leaving duplicates in the retained types
+ // list. Use a set to remove the duplicates while we transform the
+ // TrackingVHs back into Values.
+ SmallPtrSet<Metadata *, 16> RetainSet;
+ for (unsigned I = 0, E = AllRetainTypes.size(); I < E; I++)
+ if (RetainSet.insert(AllRetainTypes[I]).second)
+ RetainValues.push_back(AllRetainTypes[I]);
+ DIArray RetainTypes = getOrCreateArray(RetainValues);
DIType(TempRetainTypes).replaceAllUsesWith(RetainTypes);
DIArray SPs = getOrCreateArray(AllSubprograms);
DIType(TempSubprograms).replaceAllUsesWith(SPs);
for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
DISubprogram SP(SPs.getElement(i));
- SmallVector<Value *, 4> Variables;
- if (NamedMDNode *NMD = getFnSpecificMDNode(M, SP)) {
- for (unsigned ii = 0, ee = NMD->getNumOperands(); ii != ee; ++ii)
- Variables.push_back(NMD->getOperand(ii));
- NMD->eraseFromParent();
- }
if (MDNode *Temp = SP.getVariablesNodes()) {
+ const auto &PV = PreservedVariables.lookup(SP);
+ SmallVector<Metadata *, 4> Variables(PV.begin(), PV.end());
DIArray AV = getOrCreateArray(Variables);
DIType(Temp).replaceAllUsesWith(AV);
}
DIArray GVs = getOrCreateArray(AllGVs);
DIType(TempGVs).replaceAllUsesWith(GVs);
- DIArray IMs = getOrCreateArray(AllImportedModules);
+ SmallVector<Metadata *, 16> RetainValuesI(AllImportedModules.begin(),
+ AllImportedModules.end());
+ DIArray IMs = getOrCreateArray(RetainValuesI);
DIType(TempImportedModules).replaceAllUsesWith(IMs);
-}
-/// getNonCompileUnitScope - If N is compile unit return NULL otherwise return
-/// N.
-static MDNode *getNonCompileUnitScope(MDNode *N) {
- if (DIDescriptor(N).isCompileUnit())
- return NULL;
- return N;
+ // Now that all temp nodes have been replaced or deleted, resolve remaining
+ // cycles.
+ for (const auto &N : UnresolvedNodes)
+ if (N && !N->isResolved())
+ N->resolveCycles();
+ UnresolvedNodes.clear();
+
+ // Can't handle unresolved nodes anymore.
+ AllowUnresolvedNodes = false;
}
-static MDNode *createFilePathPair(LLVMContext &VMContext, StringRef Filename,
- StringRef Directory) {
- assert(!Filename.empty() && "Unable to create file without name");
- Value *Pair[] = {
- MDString::get(VMContext, Filename),
- MDString::get(VMContext, Directory),
- };
- return MDNode::get(VMContext, Pair);
+/// If N is compile unit return NULL otherwise return N.
+static MDScope *getNonCompileUnitScope(MDNode *N) {
+ if (!N || isa<MDCompileUnit>(N))
+ return nullptr;
+ return cast<MDScope>(N);
}
-/// createCompileUnit - A CompileUnit provides an anchor for all debugging
-/// information generated during this instance of compilation.
-void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
- StringRef Directory, StringRef Producer,
- bool isOptimized, StringRef Flags,
- unsigned RunTimeVer, StringRef SplitName) {
- assert(((Lang <= dwarf::DW_LANG_Python && Lang >= dwarf::DW_LANG_C89) ||
+DICompileUnit DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
+ StringRef Directory,
+ StringRef Producer, bool isOptimized,
+ StringRef Flags, unsigned RunTimeVer,
+ StringRef SplitName,
+ DebugEmissionKind Kind,
+ bool EmitDebugInfo) {
+
+ assert(((Lang <= dwarf::DW_LANG_Fortran08 && Lang >= dwarf::DW_LANG_C89) ||
(Lang <= dwarf::DW_LANG_hi_user && Lang >= dwarf::DW_LANG_lo_user)) &&
"Invalid Language tag");
assert(!Filename.empty() &&
"Unable to create compile unit without filename");
- Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
- TempEnumTypes = MDNode::getTemporary(VMContext, TElts);
-
- TempRetainTypes = MDNode::getTemporary(VMContext, TElts);
-
- TempSubprograms = MDNode::getTemporary(VMContext, TElts);
-
- TempGVs = MDNode::getTemporary(VMContext, TElts);
-
- TempImportedModules = MDNode::getTemporary(VMContext, TElts);
-
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_compile_unit),
- createFilePathPair(VMContext, Filename, Directory),
- ConstantInt::get(Type::getInt32Ty(VMContext), Lang),
- MDString::get(VMContext, Producer),
- ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
- MDString::get(VMContext, Flags),
- ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeVer),
- TempEnumTypes,
- TempRetainTypes,
- TempSubprograms,
- TempGVs,
- TempImportedModules,
- MDString::get(VMContext, SplitName)
- };
- TheCU = DICompileUnit(MDNode::get(VMContext, Elts));
+
+ // TODO: Once we make MDCompileUnit distinct, stop using temporaries here
+ // (just start with operands assigned to nullptr).
+ TempEnumTypes = MDTuple::getTemporary(VMContext, None).release();
+ TempRetainTypes = MDTuple::getTemporary(VMContext, None).release();
+ TempSubprograms = MDTuple::getTemporary(VMContext, None).release();
+ TempGVs = MDTuple::getTemporary(VMContext, None).release();
+ TempImportedModules = MDTuple::getTemporary(VMContext, None).release();
+
+ // TODO: Switch to getDistinct(). We never want to merge compile units based
+ // on contents.
+ MDNode *CUNode = MDCompileUnit::get(
+ VMContext, Lang, MDFile::get(VMContext, Filename, Directory), Producer,
+ isOptimized, Flags, RunTimeVer, SplitName, Kind, TempEnumTypes,
+ TempRetainTypes, TempSubprograms, TempGVs, TempImportedModules);
// Create a named metadata so that it is easier to find cu in a module.
- NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu");
- NMD->addOperand(TheCU);
+ // Note that we only generate this when the caller wants to actually
+ // emit debug information. When we are only interested in tracking
+ // source line locations throughout the backend, we prevent codegen from
+ // emitting debug info in the final output by not generating llvm.dbg.cu.
+ if (EmitDebugInfo) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu");
+ NMD->addOperand(CUNode);
+ }
+
+ trackIfUnresolved(CUNode);
+ return DICompileUnit(CUNode);
}
static DIImportedEntity
-createImportedModule(LLVMContext &C, DIScope Context, DIDescriptor NS,
- unsigned Line, StringRef Name,
- SmallVectorImpl<Value *> &AllImportedModules) {
- const MDNode *R;
- if (Name.empty()) {
- Value *Elts[] = {
- GetTagConstant(C, dwarf::DW_TAG_imported_module),
- Context,
- NS,
- ConstantInt::get(Type::getInt32Ty(C), Line),
- };
- R = MDNode::get(C, Elts);
- } else {
- Value *Elts[] = {
- GetTagConstant(C, dwarf::DW_TAG_imported_module),
- Context,
- NS,
- ConstantInt::get(Type::getInt32Ty(C), Line),
- MDString::get(C, Name)
- };
- R = MDNode::get(C, Elts);
- }
- DIImportedEntity M(R);
+createImportedModule(LLVMContext &C, dwarf::Tag Tag, DIScope Context,
+ Metadata *NS, unsigned Line, StringRef Name,
+ SmallVectorImpl<TrackingMDNodeRef> &AllImportedModules) {
+ DIImportedEntity M = MDImportedEntity::get(C, Tag, Context, NS, Line, Name);
assert(M.Verify() && "Imported module should be valid");
- AllImportedModules.push_back(M);
+ AllImportedModules.emplace_back(M.get());
return M;
}
DIImportedEntity DIBuilder::createImportedModule(DIScope Context,
- DINameSpace NS, unsigned Line,
- StringRef Name) {
- return ::createImportedModule(VMContext, Context, NS, Line, Name,
- AllImportedModules);
+ DINameSpace NS,
+ unsigned Line) {
+ return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_module,
+ Context, NS, Line, StringRef(), AllImportedModules);
}
DIImportedEntity DIBuilder::createImportedModule(DIScope Context,
DIImportedEntity NS,
- unsigned Line,
- StringRef Name) {
- return ::createImportedModule(VMContext, Context, NS, Line, Name,
- AllImportedModules);
+ unsigned Line) {
+ return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_module,
+ Context, NS, Line, StringRef(), AllImportedModules);
}
DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context,
DIDescriptor Decl,
- unsigned Line) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_imported_declaration),
- Context,
- Decl,
- ConstantInt::get(Type::getInt32Ty(VMContext), Line),
- };
- DIImportedEntity M(MDNode::get(VMContext, Elts));
- assert(M.Verify() && "Imported module should be valid");
- AllImportedModules.push_back(M);
- return M;
+ unsigned Line, StringRef Name) {
+ // Make sure to use the unique identifier based metadata reference for
+ // types that have one.
+ Metadata *V =
+ Decl.isType() ? static_cast<Metadata *>(DIType(Decl).getRef()) : Decl;
+ return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_declaration,
+ Context, V, Line, Name,
+ AllImportedModules);
+}
+
+DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context,
+ DIImportedEntity Imp,
+ unsigned Line, StringRef Name) {
+ return ::createImportedModule(VMContext, dwarf::DW_TAG_imported_declaration,
+ Context, Imp, Line, Name, AllImportedModules);
}
-/// createFile - Create a file descriptor to hold debugging information
-/// for a file.
DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_file_type),
- createFilePathPair(VMContext, Filename, Directory)
- };
- return DIFile(MDNode::get(VMContext, Elts));
+ return MDFile::get(VMContext, Filename, Directory);
}
-/// createEnumerator - Create a single enumerator value.
-DIEnumerator DIBuilder::createEnumerator(StringRef Name, uint64_t Val) {
+DIEnumerator DIBuilder::createEnumerator(StringRef Name, int64_t Val) {
assert(!Name.empty() && "Unable to create enumerator without name");
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_enumerator),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt64Ty(VMContext), Val)
- };
- return DIEnumerator(MDNode::get(VMContext, Elts));
+ return MDEnumerator::get(VMContext, Val, Name);
}
-/// createNullPtrType - Create C++0x nullptr type.
-DIType DIBuilder::createNullPtrType(StringRef Name) {
+DIBasicType DIBuilder::createUnspecifiedType(StringRef Name) {
assert(!Name.empty() && "Unable to create type without name");
- // nullptr is encoded in DIBasicType format. Line number, filename,
- // ,size, alignment, offset and flags are always empty here.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_type),
- NULL, // Filename
- NULL, //TheCU,
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags;
- ConstantInt::get(Type::getInt32Ty(VMContext), 0) // Encoding
- };
- return DIType(MDNode::get(VMContext, Elts));
-}
-
-/// createBasicType - Create debugging information entry for a basic
-/// type, e.g 'char'.
+ return MDBasicType::get(VMContext, dwarf::DW_TAG_unspecified_type, Name);
+}
+
+DIBasicType DIBuilder::createNullPtrType() {
+ return createUnspecifiedType("decltype(nullptr)");
+}
+
DIBasicType
DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits,
uint64_t AlignInBits, unsigned Encoding) {
assert(!Name.empty() && "Unable to create type without name");
- // Basic types are encoded in DIBasicType format. Line number, filename,
- // offset and flags are always empty here.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_base_type),
- NULL, // File/directory name
- NULL, //TheCU,
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags;
- ConstantInt::get(Type::getInt32Ty(VMContext), Encoding)
- };
- return DIBasicType(MDNode::get(VMContext, Elts));
-}
-
-/// createQualifiedType - Create debugging information entry for a qualified
-/// type, e.g. 'const int'.
+ return MDBasicType::get(VMContext, dwarf::DW_TAG_base_type, Name, SizeInBits,
+ AlignInBits, Encoding);
+}
+
DIDerivedType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) {
- // Qualified types are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- NULL, // Filename
- NULL, //TheCU,
- MDString::get(VMContext, StringRef()), // Empty name.
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- FromTy
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createPointerType - Create debugging information entry for a pointer.
+ return MDDerivedType::get(VMContext, Tag, "", nullptr, 0, nullptr,
+ FromTy.getRef(), 0, 0, 0, 0);
+}
+
DIDerivedType
DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits,
uint64_t AlignInBits, StringRef Name) {
- // Pointer types are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_pointer_type),
- NULL, // Filename
- NULL, //TheCU,
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- PointeeTy
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-DIDerivedType DIBuilder::createMemberPointerType(DIType PointeeTy,
- DIType Base) {
- // Pointer types are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_ptr_to_member_type),
- NULL, // Filename
- NULL, //TheCU,
- NULL,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- PointeeTy,
- Base
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createReferenceType - Create debugging information entry for a reference
-/// type.
+ // FIXME: Why is there a name here?
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_pointer_type, Name,
+ nullptr, 0, nullptr, PointeeTy.getRef(), SizeInBits,
+ AlignInBits, 0, 0);
+}
+
+DIDerivedType
+DIBuilder::createMemberPointerType(DIType PointeeTy, DIType Base,
+ uint64_t SizeInBits, uint64_t AlignInBits) {
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_ptr_to_member_type, "",
+ nullptr, 0, nullptr, PointeeTy.getRef(), SizeInBits,
+ AlignInBits, 0, 0, Base.getRef());
+}
+
DIDerivedType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) {
- assert(RTy.Verify() && "Unable to create reference type");
- // References are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- NULL, // Filename
- NULL, // TheCU,
- NULL, // Name
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- RTy
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createTypedef - Create debugging information entry for a typedef.
+ assert(RTy.isType() && "Unable to create reference type");
+ return MDDerivedType::get(VMContext, Tag, "", nullptr, 0, nullptr,
+ RTy.getRef(), 0, 0, 0, 0);
+}
+
DIDerivedType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File,
unsigned LineNo, DIDescriptor Context) {
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_typedef, Name,
+ File.getFileNode(), LineNo,
+ DIScope(getNonCompileUnitScope(Context)).getRef(),
+ Ty.getRef(), 0, 0, 0, 0);
+}
+
+DIDerivedType DIBuilder::createFriend(DIType Ty, DIType FriendTy) {
// typedefs are encoded in DIDerivedType format.
- assert(Ty.Verify() && "Invalid typedef type!");
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_typedef),
- File.getFileNode(),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- Ty
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createFriend - Create debugging information entry for a 'friend'.
-DIType DIBuilder::createFriend(DIType Ty, DIType FriendTy) {
- // typedefs are encoded in DIDerivedType format.
- assert(Ty.Verify() && "Invalid type!");
- assert(FriendTy.Verify() && "Invalid friend type!");
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_friend),
- NULL,
- Ty,
- NULL, // Name
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
- FriendTy
- };
- return DIType(MDNode::get(VMContext, Elts));
-}
-
-/// createInheritance - Create debugging information entry to establish
-/// inheritance relationship between two types.
-DIDerivedType DIBuilder::createInheritance(
- DIType Ty, DIType BaseTy, uint64_t BaseOffset, unsigned Flags) {
- assert(Ty.Verify() && "Unable to create inheritance");
- // TAG_inheritance is encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_inheritance),
- NULL,
- Ty,
- NULL, // Name
- ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
- ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
- ConstantInt::get(Type::getInt64Ty(VMContext), BaseOffset),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- BaseTy
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createMemberType - Create debugging information entry for a member.
-DIDerivedType DIBuilder::createMemberType(
- DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber,
- uint64_t SizeInBits, uint64_t AlignInBits, uint64_t OffsetInBits,
- unsigned Flags, DIType Ty) {
- // TAG_member is encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_member),
- File.getFileNode(),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- 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),
- Ty
- };
- return DIDerivedType(MDNode::get(VMContext, Elts));
-}
-
-/// createStaticMemberType - Create debugging information entry for a
-/// C++ static data member.
-DIType DIBuilder::createStaticMemberType(DIDescriptor Scope, StringRef Name,
- DIFile File, unsigned LineNumber,
- DIType Ty, unsigned Flags,
- llvm::Value *Val) {
+ assert(Ty.isType() && "Invalid type!");
+ assert(FriendTy.isType() && "Invalid friend type!");
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_friend, "", nullptr, 0,
+ Ty.getRef(), FriendTy.getRef(), 0, 0, 0, 0);
+}
+
+DIDerivedType DIBuilder::createInheritance(DIType Ty, DIType BaseTy,
+ uint64_t BaseOffset,
+ unsigned Flags) {
+ assert(Ty.isType() && "Unable to create inheritance");
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_inheritance, "", nullptr,
+ 0, Ty.getRef(), BaseTy.getRef(), 0, 0, BaseOffset,
+ Flags);
+}
+
+DIDerivedType DIBuilder::createMemberType(DIDescriptor Scope, StringRef Name,
+ DIFile File, unsigned LineNumber,
+ uint64_t SizeInBits,
+ uint64_t AlignInBits,
+ uint64_t OffsetInBits, unsigned Flags,
+ DIType Ty) {
+ return MDDerivedType::get(
+ VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
+ DIScope(getNonCompileUnitScope(Scope)).getRef(), Ty.getRef(), SizeInBits,
+ AlignInBits, OffsetInBits, Flags);
+}
+
+static ConstantAsMetadata *getConstantOrNull(Constant *C) {
+ if (C)
+ return ConstantAsMetadata::get(C);
+ return nullptr;
+}
+
+DIDerivedType DIBuilder::createStaticMemberType(DIDescriptor Scope,
+ StringRef Name, DIFile File,
+ unsigned LineNumber, DIType Ty,
+ unsigned Flags,
+ llvm::Constant *Val) {
// TAG_member is encoded in DIDerivedType format.
Flags |= DIDescriptor::FlagStaticMember;
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_member),
- File.getFileNode(),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0/*SizeInBits*/),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0/*AlignInBits*/),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0/*OffsetInBits*/),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- Ty,
- Val
- };
- return DIType(MDNode::get(VMContext, Elts));
-}
-
-/// createObjCIVar - Create debugging information entry for Objective-C
-/// instance variable.
-DIType DIBuilder::createObjCIVar(StringRef Name,
- DIFile File, unsigned LineNumber,
- uint64_t SizeInBits, uint64_t AlignInBits,
- uint64_t OffsetInBits, unsigned Flags,
- DIType Ty, StringRef PropertyName,
- StringRef GetterName, StringRef SetterName,
- unsigned PropertyAttributes) {
- // TAG_member is encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_member),
- File.getFileNode(),
- getNonCompileUnitScope(File),
- MDString::get(VMContext, Name),
- 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),
- Ty,
- MDString::get(VMContext, PropertyName),
- MDString::get(VMContext, GetterName),
- MDString::get(VMContext, SetterName),
- ConstantInt::get(Type::getInt32Ty(VMContext), PropertyAttributes)
- };
- return DIType(MDNode::get(VMContext, Elts));
-}
-
-/// createObjCIVar - Create debugging information entry for Objective-C
-/// instance variable.
-DIType DIBuilder::createObjCIVar(StringRef Name,
- DIFile File, unsigned LineNumber,
- uint64_t SizeInBits, uint64_t AlignInBits,
- uint64_t OffsetInBits, unsigned Flags,
- DIType Ty, MDNode *PropertyNode) {
- // TAG_member is encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_member),
- File.getFileNode(),
- getNonCompileUnitScope(File),
- MDString::get(VMContext, Name),
- 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),
- Ty,
- PropertyNode
- };
- return DIType(MDNode::get(VMContext, Elts));
-}
-
-/// createObjCProperty - Create debugging information entry for Objective-C
-/// property.
-DIObjCProperty DIBuilder::createObjCProperty(StringRef Name,
- DIFile File, unsigned LineNumber,
- StringRef GetterName,
- StringRef SetterName,
- unsigned PropertyAttributes,
- DIType Ty) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_APPLE_property),
- MDString::get(VMContext, Name),
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- MDString::get(VMContext, GetterName),
- MDString::get(VMContext, SetterName),
- ConstantInt::get(Type::getInt32Ty(VMContext), PropertyAttributes),
- Ty
- };
- return DIObjCProperty(MDNode::get(VMContext, Elts));
-}
-
-/// createTemplateTypeParameter - Create debugging information for template
-/// type parameter.
+ return MDDerivedType::get(
+ VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
+ DIScope(getNonCompileUnitScope(Scope)).getRef(), Ty.getRef(), 0, 0, 0,
+ Flags, getConstantOrNull(Val));
+}
+
+DIDerivedType DIBuilder::createObjCIVar(StringRef Name, DIFile File,
+ unsigned LineNumber,
+ uint64_t SizeInBits,
+ uint64_t AlignInBits,
+ uint64_t OffsetInBits, unsigned Flags,
+ DIType Ty, MDNode *PropertyNode) {
+ return MDDerivedType::get(VMContext, dwarf::DW_TAG_member, Name, File,
+ LineNumber, getNonCompileUnitScope(File),
+ Ty.getRef(), SizeInBits, AlignInBits, OffsetInBits,
+ Flags, PropertyNode);
+}
+
+DIObjCProperty
+DIBuilder::createObjCProperty(StringRef Name, DIFile File, unsigned LineNumber,
+ StringRef GetterName, StringRef SetterName,
+ unsigned PropertyAttributes, DIType Ty) {
+ return MDObjCProperty::get(VMContext, Name, File, LineNumber, GetterName,
+ SetterName, PropertyAttributes, Ty);
+}
+
DITemplateTypeParameter
DIBuilder::createTemplateTypeParameter(DIDescriptor Context, StringRef Name,
- DIType Ty, MDNode *File, unsigned LineNo,
- unsigned ColumnNo) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_template_type_parameter),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- Ty,
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
- };
- return DITemplateTypeParameter(MDNode::get(VMContext, Elts));
-}
-
-/// createTemplateValueParameter - Create debugging information for template
-/// value parameter.
+ DIType Ty) {
+ assert(!DIScope(getNonCompileUnitScope(Context)).getRef() &&
+ "Expected compile unit");
+ return MDTemplateTypeParameter::get(VMContext, Name, Ty.getRef());
+}
+
+static DITemplateValueParameter
+createTemplateValueParameterHelper(LLVMContext &VMContext, unsigned Tag,
+ DIDescriptor Context, StringRef Name,
+ DIType Ty, Metadata *MD) {
+ assert(!DIScope(getNonCompileUnitScope(Context)).getRef() &&
+ "Expected compile unit");
+ return MDTemplateValueParameter::get(VMContext, Tag, Name, Ty.getRef(), MD);
+}
+
DITemplateValueParameter
DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name,
- DIType Ty, Value *Val,
- MDNode *File, unsigned LineNo,
- unsigned ColumnNo) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_template_value_parameter),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- Ty,
- Val,
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
- };
- return DITemplateValueParameter(MDNode::get(VMContext, Elts));
-}
-
-/// createClassType - Create debugging information entry for a class.
+ DIType Ty, Constant *Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_template_value_parameter, Context, Name, Ty,
+ getConstantOrNull(Val));
+}
+
+DITemplateValueParameter
+DIBuilder::createTemplateTemplateParameter(DIDescriptor Context, StringRef Name,
+ DIType Ty, StringRef Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_GNU_template_template_param, Context, Name, Ty,
+ MDString::get(VMContext, Val));
+}
+
+DITemplateValueParameter
+DIBuilder::createTemplateParameterPack(DIDescriptor Context, StringRef Name,
+ DIType Ty, DIArray Val) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_GNU_template_parameter_pack, Context, Name, Ty,
+ Val);
+}
+
DICompositeType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits,
uint64_t OffsetInBits,
unsigned Flags, DIType DerivedFrom,
DIArray Elements,
- MDNode *VTableHolder,
- MDNode *TemplateParams) {
- assert((!Context || Context.Verify()) &&
+ DIType VTableHolder,
+ MDNode *TemplateParams,
+ StringRef UniqueIdentifier) {
+ assert((!Context || Context.isScope() || Context.isType()) &&
"createClassType should be called with a valid Context");
// TAG_class_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_class_type),
- File.getFileNode(),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), OffsetInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- DerivedFrom,
- Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- VTableHolder,
- TemplateParams
- };
- DICompositeType R(MDNode::get(VMContext, Elts));
- assert(R.Verify() && "createClassType should return a verifiable DIType");
+ DICompositeType R = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_structure_type, Name, File, LineNumber,
+ DIScope(getNonCompileUnitScope(Context)).getRef(), DerivedFrom.getRef(),
+ SizeInBits, AlignInBits, OffsetInBits, Flags, Elements, 0,
+ VTableHolder.getRef(), TemplateParams, UniqueIdentifier);
+ if (!UniqueIdentifier.empty())
+ retainType(R);
+ trackIfUnresolved(R);
return R;
}
-/// createStructType - Create debugging information entry for a struct.
DICompositeType DIBuilder::createStructType(DIDescriptor Context,
StringRef Name, DIFile File,
unsigned LineNumber,
unsigned Flags, DIType DerivedFrom,
DIArray Elements,
unsigned RunTimeLang,
- MDNode *VTableHolder) {
- // TAG_structure_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_structure_type),
- File.getFileNode(),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- DerivedFrom,
- Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
- VTableHolder,
- NULL,
- };
- DICompositeType R(MDNode::get(VMContext, Elts));
- assert(R.Verify() && "createStructType should return a verifiable DIType");
+ DIType VTableHolder,
+ StringRef UniqueIdentifier) {
+ DICompositeType R = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_structure_type, Name, File, LineNumber,
+ DIScope(getNonCompileUnitScope(Context)).getRef(), DerivedFrom.getRef(),
+ SizeInBits, AlignInBits, 0, Flags, Elements, RunTimeLang,
+ VTableHolder.getRef(), nullptr, UniqueIdentifier);
+ if (!UniqueIdentifier.empty())
+ retainType(R);
+ trackIfUnresolved(R);
return R;
}
-/// createUnionType - Create debugging information entry for an union.
DICompositeType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits,
uint64_t AlignInBits, unsigned Flags,
DIArray Elements,
- unsigned RunTimeLang) {
- // TAG_union_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_union_type),
- File.getFileNode(),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- NULL,
- Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- NULL
- };
- return DICompositeType(MDNode::get(VMContext, Elts));
-}
-
-/// createSubroutineType - Create subroutine type.
-DICompositeType
-DIBuilder::createSubroutineType(DIFile File, DIArray ParameterTypes) {
- // TAG_subroutine_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subroutine_type),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- MDString::get(VMContext, ""),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0),
- ConstantInt::get(Type::getInt64Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- NULL,
- ParameterTypes,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
- };
- return DICompositeType(MDNode::get(VMContext, Elts));
-}
-
-/// createEnumerationType - Create debugging information entry for an
-/// enumeration.
+ unsigned RunTimeLang,
+ StringRef UniqueIdentifier) {
+ DICompositeType R = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_union_type, Name, File, LineNumber,
+ DIScope(getNonCompileUnitScope(Scope)).getRef(), nullptr, SizeInBits,
+ AlignInBits, 0, Flags, Elements, RunTimeLang, nullptr, nullptr,
+ UniqueIdentifier);
+ if (!UniqueIdentifier.empty())
+ retainType(R);
+ trackIfUnresolved(R);
+ return R;
+}
+
+DISubroutineType DIBuilder::createSubroutineType(DIFile File,
+ DITypeArray ParameterTypes,
+ unsigned Flags) {
+ return MDSubroutineType::get(VMContext, Flags, ParameterTypes);
+}
+
DICompositeType DIBuilder::createEnumerationType(
DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits, DIArray Elements,
- DIType UnderlyingType) {
- // TAG_enumeration_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type),
- File.getFileNode(),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- UnderlyingType,
- Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
- AllEnumTypes.push_back(Node);
- return DICompositeType(Node);
-}
-
-/// createArrayType - Create debugging information entry for an array.
+ DIType UnderlyingType, StringRef UniqueIdentifier) {
+ DICompositeType CTy = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_enumeration_type, Name, File, LineNumber,
+ DIScope(getNonCompileUnitScope(Scope)).getRef(), UnderlyingType.getRef(),
+ SizeInBits, AlignInBits, 0, 0, Elements, 0, nullptr, nullptr,
+ UniqueIdentifier);
+ AllEnumTypes.push_back(CTy);
+ if (!UniqueIdentifier.empty())
+ retainType(CTy);
+ trackIfUnresolved(CTy);
+ return CTy;
+}
+
DICompositeType DIBuilder::createArrayType(uint64_t Size, uint64_t AlignInBits,
DIType Ty, DIArray Subscripts) {
- // TAG_array_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
- NULL, // Filename/Directory,
- NULL, //TheCU,
- MDString::get(VMContext, ""),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt64Ty(VMContext), Size),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Ty,
- Subscripts,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
- };
- return DICompositeType(MDNode::get(VMContext, Elts));
-}
-
-/// createVectorType - Create debugging information entry for a vector.
+ auto *R = MDCompositeType::get(VMContext, dwarf::DW_TAG_array_type, "",
+ nullptr, 0, nullptr, Ty.getRef(), Size,
+ AlignInBits, 0, 0, Subscripts, 0, nullptr);
+ trackIfUnresolved(R);
+ return R;
+}
+
DICompositeType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits,
DIType Ty, DIArray Subscripts) {
+ auto *R = MDCompositeType::get(
+ VMContext, dwarf::DW_TAG_array_type, "", nullptr, 0, nullptr, Ty.getRef(),
+ Size, AlignInBits, 0, DIType::FlagVector, Subscripts, 0, nullptr);
+ trackIfUnresolved(R);
+ return R;
+}
+
+static DIType createTypeWithFlags(LLVMContext &Context, DIType Ty,
+ unsigned FlagsToSet) {
+ TempMDType NewTy = cast<MDType>(static_cast<MDNode *>(Ty))->clone();
+ NewTy->setFlags(NewTy->getFlags() | FlagsToSet);
+ return MDNode::replaceWithUniqued(std::move(NewTy));
+}
- // A vector is an array type with the FlagVector flag applied.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
- NULL, // Filename/Directory,
- NULL, //TheCU,
- MDString::get(VMContext, ""),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt64Ty(VMContext), Size),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), DIType::FlagVector),
- Ty,
- Subscripts,
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
- };
- return DICompositeType(MDNode::get(VMContext, Elts));
-}
-
-/// createArtificialType - Create a new DIType with "artificial" flag set.
DIType DIBuilder::createArtificialType(DIType Ty) {
+ // FIXME: Restrict this to the nodes where it's valid.
if (Ty.isArtificial())
return Ty;
-
- SmallVector<Value *, 9> Elts;
- MDNode *N = Ty;
- assert (N && "Unexpected input DIType!");
- for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
- if (Value *V = N->getOperand(i))
- Elts.push_back(V);
- else
- Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext)));
- }
-
- unsigned CurFlags = Ty.getFlags();
- CurFlags = CurFlags | DIType::FlagArtificial;
-
- // Flags are stored at this slot.
- Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags);
-
- return DIType(MDNode::get(VMContext, Elts));
+ return createTypeWithFlags(VMContext, Ty, DIType::FlagArtificial);
}
-/// createObjectPointerType - Create a new type with both the object pointer
-/// and artificial flags set.
DIType DIBuilder::createObjectPointerType(DIType Ty) {
+ // FIXME: Restrict this to the nodes where it's valid.
if (Ty.isObjectPointer())
return Ty;
+ unsigned Flags = DIType::FlagObjectPointer | DIType::FlagArtificial;
+ return createTypeWithFlags(VMContext, Ty, Flags);
+}
+
+void DIBuilder::retainType(DIType T) { AllRetainTypes.emplace_back(T); }
+
+DIBasicType DIBuilder::createUnspecifiedParameter() {
+ return DIBasicType();
+}
+
+DICompositeType
+DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope,
+ DIFile F, unsigned Line, unsigned RuntimeLang,
+ uint64_t SizeInBits, uint64_t AlignInBits,
+ StringRef UniqueIdentifier) {
+ // FIXME: Define in terms of createReplaceableForwardDecl() by calling
+ // replaceWithUniqued().
+ DICompositeType RetTy = MDCompositeType::get(
+ VMContext, Tag, Name, F.getFileNode(), Line,
+ DIScope(getNonCompileUnitScope(Scope)).getRef(), nullptr, SizeInBits,
+ AlignInBits, 0, DIDescriptor::FlagFwdDecl, nullptr, RuntimeLang, nullptr,
+ nullptr, UniqueIdentifier);
+ if (!UniqueIdentifier.empty())
+ retainType(RetTy);
+ trackIfUnresolved(RetTy);
+ return RetTy;
+}
+
+DICompositeType DIBuilder::createReplaceableCompositeType(
+ unsigned Tag, StringRef Name, DIDescriptor Scope, DIFile F, unsigned Line,
+ unsigned RuntimeLang, uint64_t SizeInBits, uint64_t AlignInBits,
+ unsigned Flags, StringRef UniqueIdentifier) {
+ DICompositeType RetTy =
+ MDCompositeType::getTemporary(
+ VMContext, Tag, Name, F.getFileNode(), Line,
+ DIScope(getNonCompileUnitScope(Scope)).getRef(), nullptr, SizeInBits,
+ AlignInBits, 0, Flags, nullptr, RuntimeLang,
+ nullptr, nullptr, UniqueIdentifier).release();
+ if (!UniqueIdentifier.empty())
+ retainType(RetTy);
+ trackIfUnresolved(RetTy);
+ return RetTy;
+}
+
+DIArray DIBuilder::getOrCreateArray(ArrayRef<Metadata *> Elements) {
+ return DIArray(MDNode::get(VMContext, Elements));
+}
- SmallVector<Value *, 9> Elts;
- MDNode *N = Ty;
- assert (N && "Unexpected input DIType!");
- for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
- if (Value *V = N->getOperand(i))
- Elts.push_back(V);
+DITypeArray DIBuilder::getOrCreateTypeArray(ArrayRef<Metadata *> Elements) {
+ SmallVector<llvm::Metadata *, 16> Elts;
+ for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
+ if (Elements[i] && isa<MDNode>(Elements[i]))
+ Elts.push_back(DIType(cast<MDNode>(Elements[i])).getRef());
else
- Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext)));
+ Elts.push_back(Elements[i]);
}
+ return DITypeArray(MDNode::get(VMContext, Elts));
+}
- unsigned CurFlags = Ty.getFlags();
- CurFlags = CurFlags | (DIType::FlagObjectPointer | DIType::FlagArtificial);
-
- // Flags are stored at this slot.
- Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags);
-
- return DIType(MDNode::get(VMContext, Elts));
-}
-
-/// retainType - Retain DIType in a module even if it is not referenced
-/// through debug info anchors.
-void DIBuilder::retainType(DIType T) {
- AllRetainTypes.push_back(T);
-}
-
-/// createUnspecifiedParameter - Create unspeicified type descriptor
-/// for the subroutine type.
-DIDescriptor DIBuilder::createUnspecifiedParameter() {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_parameters)
- };
- return DIDescriptor(MDNode::get(VMContext, Elts));
-}
-
-/// createForwardDecl - Create a temporary forward-declared type that
-/// can be RAUW'd if the full type is seen.
-DIType DIBuilder::createForwardDecl(unsigned Tag, StringRef Name,
- DIDescriptor Scope, DIFile F,
- unsigned Line, unsigned RuntimeLang,
- uint64_t SizeInBits,
- uint64_t AlignInBits) {
- // Create a temporary MDNode.
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- F.getFileNode(),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), Line),
- ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
- ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext),
- DIDescriptor::FlagFwdDecl),
- NULL,
- DIArray(),
- ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang)
- };
- MDNode *Node = MDNode::getTemporary(VMContext, Elts);
- assert(DIType(Node).Verify() &&
- "createForwardDecl result should be verifiable");
- return DIType(Node);
-}
-
-/// getOrCreateArray - Get a DIArray, create one if required.
-DIArray DIBuilder::getOrCreateArray(ArrayRef<Value *> Elements) {
- if (Elements.empty()) {
- Value *Null = Constant::getNullValue(Type::getInt32Ty(VMContext));
- return DIArray(MDNode::get(VMContext, Null));
+DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) {
+ return MDSubrange::get(VMContext, Count, Lo);
+}
+
+static void checkGlobalVariableScope(DIDescriptor Context) {
+ MDNode *TheCtx = getNonCompileUnitScope(Context);
+ if (DIScope(TheCtx).isCompositeType()) {
+ assert(!DICompositeType(TheCtx).getIdentifier() &&
+ "Context of a global variable should not be a type with identifier");
}
- return DIArray(MDNode::get(VMContext, Elements));
}
-/// getOrCreateSubrange - Create a descriptor for a value range. This
-/// implicitly uniques the values returned.
-DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subrange_type),
- ConstantInt::get(Type::getInt64Ty(VMContext), Lo),
- ConstantInt::get(Type::getInt64Ty(VMContext), Count)
- };
-
- return DISubrange(MDNode::get(VMContext, Elts));
-}
-
-/// \brief Create a new descriptor for the specified global.
-DIGlobalVariable DIBuilder::
-createGlobalVariable(StringRef Name, StringRef LinkageName, DIFile F,
- unsigned LineNumber, DIType Ty, bool isLocalToUnit,
- Value *Val) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_variable),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- NULL, // TheCU,
- MDString::get(VMContext, Name),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, LinkageName),
- F,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- Ty,
- ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
- ConstantInt::get(Type::getInt32Ty(VMContext), 1), /* isDefinition*/
- Val,
- DIDescriptor()
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
- AllGVs.push_back(Node);
- return DIGlobalVariable(Node);
-}
-
-/// \brief Create a new descriptor for the specified global.
-DIGlobalVariable DIBuilder::
-createGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber,
- DIType Ty, bool isLocalToUnit, Value *Val) {
- return createGlobalVariable(Name, Name, F, LineNumber, Ty, isLocalToUnit,
- Val);
-}
-
-/// createStaticVariable - Create a new descriptor for the specified static
-/// variable.
-DIGlobalVariable DIBuilder::
-createStaticVariable(DIDescriptor Context, StringRef Name,
- StringRef LinkageName, DIFile F, unsigned LineNumber,
- DIType Ty, bool isLocalToUnit, Value *Val, MDNode *Decl) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_variable),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, LinkageName),
- F,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
- Ty,
- ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
- ConstantInt::get(Type::getInt32Ty(VMContext), 1), /* isDefinition*/
- Val,
- DIDescriptor(Decl)
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
- AllGVs.push_back(Node);
- return DIGlobalVariable(Node);
-}
-
-/// createVariable - Create a new descriptor for the specified variable.
+DIGlobalVariable DIBuilder::createGlobalVariable(
+ DIDescriptor Context, StringRef Name, StringRef LinkageName, DIFile F,
+ unsigned LineNumber, DITypeRef Ty, bool isLocalToUnit, Constant *Val,
+ MDNode *Decl) {
+ checkGlobalVariableScope(Context);
+
+ auto *N = MDGlobalVariable::get(VMContext, Context, Name, LinkageName, F,
+ LineNumber, Ty, isLocalToUnit, true,
+ getConstantOrNull(Val), Decl);
+ AllGVs.push_back(N);
+ return N;
+}
+
+DIGlobalVariable DIBuilder::createTempGlobalVariableFwdDecl(
+ DIDescriptor Context, StringRef Name, StringRef LinkageName, DIFile F,
+ unsigned LineNumber, DITypeRef Ty, bool isLocalToUnit, Constant *Val,
+ MDNode *Decl) {
+ checkGlobalVariableScope(Context);
+
+ return MDGlobalVariable::getTemporary(VMContext, Context, Name, LinkageName,
+ F, LineNumber, Ty, isLocalToUnit, false,
+ getConstantOrNull(Val), Decl).release();
+}
+
DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope,
StringRef Name, DIFile File,
- unsigned LineNo, DIType Ty,
+ unsigned LineNo, DITypeRef Ty,
bool AlwaysPreserve, unsigned Flags,
unsigned ArgNo) {
+ // FIXME: Why getNonCompileUnitScope()?
+ // FIXME: Why is "!Context" okay here?
+ // FIXME: WHy doesn't this check for a subprogram or lexical block (AFAICT
+ // the only valid scopes)?
DIDescriptor Context(getNonCompileUnitScope(Scope));
- assert((!Context || Context.Verify()) &&
+ assert((!Context || Context.isScope()) &&
"createLocalVariable should be called with a valid Context");
- assert(Ty.Verify() &&
- "createLocalVariable should be called with a valid type");
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), (LineNo | (ArgNo << 24))),
- Ty,
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- Constant::getNullValue(Type::getInt32Ty(VMContext))
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
+
+ auto *Node =
+ MDLocalVariable::get(VMContext, Tag, getNonCompileUnitScope(Scope), Name,
+ File, LineNo, Ty, ArgNo, Flags);
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(Scope));
- NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, Fn);
- FnLocals->addOperand(Node);
+ assert(Fn && "Missing subprogram for local variable");
+ PreservedVariables[Fn].emplace_back(Node);
}
- assert(DIVariable(Node).Verify() &&
- "createLocalVariable should return a verifiable DIVariable");
- return DIVariable(Node);
-}
-
-/// createComplexVariable - Create a new descriptor for the specified variable
-/// which has a complex address expression for its address.
-DIVariable DIBuilder::createComplexVariable(unsigned Tag, DIDescriptor Scope,
- StringRef Name, DIFile F,
- unsigned LineNo,
- DIType Ty, ArrayRef<Value *> Addr,
- unsigned ArgNo) {
- SmallVector<Value *, 15> Elts;
- Elts.push_back(GetTagConstant(VMContext, Tag));
- Elts.push_back(getNonCompileUnitScope(Scope)),
- Elts.push_back(MDString::get(VMContext, Name));
- Elts.push_back(F);
- Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext),
- (LineNo | (ArgNo << 24))));
- Elts.push_back(Ty);
- Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext)));
- Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext)));
- Elts.append(Addr.begin(), Addr.end());
-
- return DIVariable(MDNode::get(VMContext, Elts));
-}
-
-/// createFunction - Create a new descriptor for the specified function.
-DISubprogram DIBuilder::createFunction(DIDescriptor Context,
- StringRef Name,
- StringRef LinkageName,
- DIFile File, unsigned LineNo,
- DICompositeType Ty,
+ return Node;
+}
+
+DIExpression DIBuilder::createExpression(ArrayRef<uint64_t> Addr) {
+ return MDExpression::get(VMContext, Addr);
+}
+
+DIExpression DIBuilder::createExpression(ArrayRef<int64_t> Signed) {
+ // TODO: Remove the callers of this signed version and delete.
+ SmallVector<uint64_t, 8> Addr(Signed.begin(), Signed.end());
+ return createExpression(Addr);
+}
+
+DIExpression DIBuilder::createBitPieceExpression(unsigned OffsetInBytes,
+ unsigned SizeInBytes) {
+ uint64_t Addr[] = {dwarf::DW_OP_bit_piece, OffsetInBytes, SizeInBytes};
+ return MDExpression::get(VMContext, Addr);
+}
+
+DISubprogram DIBuilder::createFunction(DIScopeRef Context, StringRef Name,
+ StringRef LinkageName, DIFile File,
+ unsigned LineNo, DICompositeType Ty,
bool isLocalToUnit, bool isDefinition,
- unsigned ScopeLine,
- unsigned Flags, bool isOptimized,
- Function *Fn,
- MDNode *TParams,
- MDNode *Decl) {
+ unsigned ScopeLine, unsigned Flags,
+ bool isOptimized, Function *Fn,
+ MDNode *TParams, MDNode *Decl) {
+ // dragonegg does not generate identifier for types, so using an empty map
+ // to resolve the context should be fine.
+ DITypeIdentifierMap EmptyMap;
+ return createFunction(Context.resolve(EmptyMap), Name, LinkageName, File,
+ LineNo, Ty, isLocalToUnit, isDefinition, ScopeLine,
+ Flags, isOptimized, Fn, TParams, Decl);
+}
+
+DISubprogram DIBuilder::createFunction(DIDescriptor Context, StringRef Name,
+ StringRef LinkageName, DIFile File,
+ unsigned LineNo, DICompositeType Ty,
+ bool isLocalToUnit, bool isDefinition,
+ unsigned ScopeLine, unsigned Flags,
+ bool isOptimized, Function *Fn,
+ MDNode *TParams, MDNode *Decl) {
assert(Ty.getTag() == dwarf::DW_TAG_subroutine_type &&
"function types should be subroutines");
- Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
- File.getFileNode(),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, LinkageName),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- Ty,
- ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
- ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- ConstantInt::get(Type::getInt32Ty(VMContext), 0),
- NULL,
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
- Fn,
- TParams,
- Decl,
- MDNode::getTemporary(VMContext, TElts),
- ConstantInt::get(Type::getInt32Ty(VMContext), ScopeLine)
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
-
- // Create a named metadata so that we do not lose this mdnode.
+ auto *Node = MDSubprogram::get(
+ VMContext, DIScope(getNonCompileUnitScope(Context)).getRef(), Name,
+ LinkageName, File.getFileNode(), LineNo, Ty, isLocalToUnit, isDefinition,
+ ScopeLine, nullptr, 0, 0, Flags, isOptimized, getConstantOrNull(Fn),
+ TParams, Decl, MDNode::getTemporary(VMContext, None).release());
+
if (isDefinition)
AllSubprograms.push_back(Node);
- DISubprogram S(Node);
- assert(S.Verify() && "createFunction should return a valid DISubprogram");
- return S;
+ trackIfUnresolved(Node);
+ return Node;
}
-/// createMethod - Create a new descriptor for the specified C++ method.
-DISubprogram DIBuilder::createMethod(DIDescriptor Context,
- StringRef Name,
- StringRef LinkageName,
- DIFile F,
+DISubprogram
+DIBuilder::createTempFunctionFwdDecl(DIDescriptor Context, StringRef Name,
+ StringRef LinkageName, DIFile File,
unsigned LineNo, DICompositeType Ty,
- bool isLocalToUnit,
- bool isDefinition,
+ bool isLocalToUnit, bool isDefinition,
+ unsigned ScopeLine, unsigned Flags,
+ bool isOptimized, Function *Fn,
+ MDNode *TParams, MDNode *Decl) {
+ return MDSubprogram::getTemporary(
+ VMContext, DIScope(getNonCompileUnitScope(Context)).getRef(), Name,
+ LinkageName, File.getFileNode(), LineNo, Ty, isLocalToUnit,
+ isDefinition, ScopeLine, nullptr, 0, 0, Flags, isOptimized,
+ getConstantOrNull(Fn), TParams, Decl, nullptr).release();
+}
+
+DISubprogram DIBuilder::createMethod(DIDescriptor Context, StringRef Name,
+ StringRef LinkageName, DIFile F,
+ unsigned LineNo, DICompositeType Ty,
+ bool isLocalToUnit, bool isDefinition,
unsigned VK, unsigned VIndex,
- MDNode *VTableHolder,
- unsigned Flags,
- bool isOptimized,
- Function *Fn,
+ DIType VTableHolder, unsigned Flags,
+ bool isOptimized, Function *Fn,
MDNode *TParam) {
assert(Ty.getTag() == dwarf::DW_TAG_subroutine_type &&
"function types should be subroutines");
- Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
- F.getFileNode(),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, Name),
- MDString::get(VMContext, LinkageName),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- 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),
- VTableHolder,
- ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
- ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
- Fn,
- TParam,
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- MDNode::getTemporary(VMContext, TElts),
- // FIXME: Do we want to use different scope/lines?
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
+ assert(getNonCompileUnitScope(Context) &&
+ "Methods should have both a Context and a context that isn't "
+ "the compile unit.");
+ // FIXME: Do we want to use different scope/lines?
+ auto *Node = MDSubprogram::get(
+ VMContext, DIScope(Context).getRef(), Name, LinkageName, F.getFileNode(),
+ LineNo, Ty, isLocalToUnit, isDefinition, LineNo, VTableHolder.getRef(),
+ VK, VIndex, Flags, isOptimized, getConstantOrNull(Fn), TParam, nullptr,
+ nullptr);
+
if (isDefinition)
AllSubprograms.push_back(Node);
DISubprogram S(Node);
- assert(S.Verify() && "createMethod should return a valid DISubprogram");
+ assert(S.isSubprogram() && "createMethod should return a valid DISubprogram");
+ trackIfUnresolved(S);
return S;
}
-/// createNameSpace - This creates new descriptor for a namespace
-/// with the specified parent scope.
DINameSpace DIBuilder::createNameSpace(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNo) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_namespace),
- File.getFileNode(),
- getNonCompileUnitScope(Scope),
- MDString::get(VMContext, Name),
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
- };
- DINameSpace R(MDNode::get(VMContext, Elts));
+ DINameSpace R = MDNamespace::get(VMContext, getNonCompileUnitScope(Scope),
+ File.getFileNode(), Name, LineNo);
assert(R.Verify() &&
"createNameSpace should return a verifiable DINameSpace");
return R;
}
-/// createLexicalBlockFile - This creates a new MDNode that encapsulates
-/// an existing scope with a new filename.
DILexicalBlockFile DIBuilder::createLexicalBlockFile(DIDescriptor Scope,
- DIFile File) {
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
- File.getFileNode(),
- Scope
- };
- DILexicalBlockFile R(MDNode::get(VMContext, Elts));
+ DIFile File,
+ unsigned Discriminator) {
+ DILexicalBlockFile R = MDLexicalBlockFile::get(
+ VMContext, Scope, File.getFileNode(), Discriminator);
assert(
R.Verify() &&
"createLexicalBlockFile should return a verifiable DILexicalBlockFile");
DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
unsigned Line, unsigned Col) {
- // Defeat MDNode uniqing for lexical blocks by using unique id.
- static unsigned int unique_id = 0;
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
- File.getFileNode(),
- getNonCompileUnitScope(Scope),
- ConstantInt::get(Type::getInt32Ty(VMContext), Line),
- ConstantInt::get(Type::getInt32Ty(VMContext), Col),
- ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++)
- };
- DILexicalBlock R(MDNode::get(VMContext, Elts));
+ // Make these distinct, to avoid merging two lexical blocks on the same
+ // file/line/column.
+ DILexicalBlock R = MDLexicalBlock::getDistinct(
+ VMContext, getNonCompileUnitScope(Scope), File.getFileNode(), Line, Col);
assert(R.Verify() &&
"createLexicalBlock should return a verifiable DILexicalBlock");
return R;
}
-/// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
+static Value *getDbgIntrinsicValueImpl(LLVMContext &VMContext, Value *V) {
+ assert(V && "no value passed to dbg intrinsic");
+ return MetadataAsValue::get(VMContext, ValueAsMetadata::get(V));
+}
+
Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
+ DIExpression Expr,
Instruction *InsertBefore) {
- assert(Storage && "no storage passed to dbg.declare");
- assert(VarInfo.Verify() && "empty DIVariable passed to dbg.declare");
+ assert(VarInfo.isVariable() &&
+ "empty or invalid DIVariable passed to dbg.declare");
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
- Value *Args[] = { MDNode::get(Storage->getContext(), Storage), VarInfo };
+ trackIfUnresolved(VarInfo);
+ trackIfUnresolved(Expr);
+ Value *Args[] = {getDbgIntrinsicValueImpl(VMContext, Storage),
+ MetadataAsValue::get(VMContext, VarInfo),
+ MetadataAsValue::get(VMContext, Expr)};
return CallInst::Create(DeclareFn, Args, "", InsertBefore);
}
-/// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
+ DIExpression Expr,
BasicBlock *InsertAtEnd) {
- assert(Storage && "no storage passed to dbg.declare");
- assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.declare");
+ assert(VarInfo.isVariable() &&
+ "empty or invalid DIVariable passed to dbg.declare");
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
- Value *Args[] = { MDNode::get(Storage->getContext(), Storage), VarInfo };
+ trackIfUnresolved(VarInfo);
+ trackIfUnresolved(Expr);
+ Value *Args[] = {getDbgIntrinsicValueImpl(VMContext, Storage),
+ MetadataAsValue::get(VMContext, VarInfo),
+ MetadataAsValue::get(VMContext, Expr)};
// If this block already has a terminator then insert this intrinsic
// before the terminator.
return CallInst::Create(DeclareFn, Args, "", InsertAtEnd);
}
-/// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
DIVariable VarInfo,
+ DIExpression Expr,
Instruction *InsertBefore) {
assert(V && "no value passed to dbg.value");
- assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
+ assert(VarInfo.isVariable() &&
+ "empty or invalid DIVariable passed to dbg.value");
if (!ValueFn)
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
- Value *Args[] = { MDNode::get(V->getContext(), V),
- ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
- VarInfo };
+ trackIfUnresolved(VarInfo);
+ trackIfUnresolved(Expr);
+ Value *Args[] = {getDbgIntrinsicValueImpl(VMContext, V),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Offset),
+ MetadataAsValue::get(VMContext, VarInfo),
+ MetadataAsValue::get(VMContext, Expr)};
return CallInst::Create(ValueFn, Args, "", InsertBefore);
}
-/// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
DIVariable VarInfo,
+ DIExpression Expr,
BasicBlock *InsertAtEnd) {
assert(V && "no value passed to dbg.value");
- assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
+ assert(VarInfo.isVariable() &&
+ "empty or invalid DIVariable passed to dbg.value");
if (!ValueFn)
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
- Value *Args[] = { MDNode::get(V->getContext(), V),
- ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
- VarInfo };
+ trackIfUnresolved(VarInfo);
+ trackIfUnresolved(Expr);
+ Value *Args[] = {getDbgIntrinsicValueImpl(VMContext, V),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Offset),
+ MetadataAsValue::get(VMContext, VarInfo),
+ MetadataAsValue::get(VMContext, Expr)};
return CallInst::Create(ValueFn, Args, "", InsertAtEnd);
}
+
+void DIBuilder::replaceVTableHolder(DICompositeType &T, DICompositeType VTableHolder) {
+ T.setContainingType(VTableHolder);
+
+ // If this didn't create a self-reference, just return.
+ if (T != VTableHolder)
+ return;
+
+ // Look for unresolved operands. T will drop RAUW support, orphaning any
+ // cycles underneath it.
+ if (T->isResolved())
+ for (const MDOperand &O : T->operands())
+ if (auto *N = dyn_cast_or_null<MDNode>(O))
+ trackIfUnresolved(N);
+}
+
+void DIBuilder::replaceArrays(DICompositeType &T, DIArray Elements,
+ DIArray TParams) {
+ T.setArrays(Elements, TParams);
+
+ // If T isn't resolved, there's no problem.
+ if (!T->isResolved())
+ return;
+
+ // If "T" is resolved, it may be due to a self-reference cycle. Track the
+ // arrays explicitly if they're unresolved, or else the cycles will be
+ // orphaned.
+ if (Elements)
+ trackIfUnresolved(Elements);
+ if (TParams)
+ trackIfUnresolved(TParams);
+}