diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp
index 0cd4ac6f466cb483299126528be8160bc317bc1b..6485ca5a003984ded30a2924eaa3ebe899ae4811 100644 (file)
--- a/lib/IR/DIBuilder.cpp
+++ b/lib/IR/DIBuilder.cpp
//
//===----------------------------------------------------------------------===//
-#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 {
+ SmallVector<char, 256> Chars;
+
+public:
+ explicit HeaderBuilder(Twine T) { T.toVector(Chars); }
+ HeaderBuilder(const HeaderBuilder &X) : Chars(X.Chars) {}
+ HeaderBuilder(HeaderBuilder &&X) : Chars(std::move(X.Chars)) {}
+
+ template <class Twineable> HeaderBuilder &concat(Twineable &&X) {
+ 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("0x" + Twine::utohexstr(Tag));
+ }
+};
+}
+
+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) {}
+
+static bool isUnresolved(MDNode *N) {
+ return N && (isa<MDNodeFwdDecl>(N) || !cast<GenericMDNode>(N)->isResolved());
}
-DIBuilder::DIBuilder(Module &m)
- : M(m), VMContext(M.getContext()), TempEnumTypes(0),
- TempRetainTypes(0), TempSubprograms(0), TempGVs(0), DeclareFn(0),
- ValueFn(0)
-{}
+void DIBuilder::trackIfUnresolved(MDNode *N) {
+ if (!AllowUnresolvedNodes) {
+ assert(!isUnresolved(N) && "Cannot handle unresolved nodes");
+ return;
+ }
+ if (isUnresolved(N))
+ UnresolvedNodes.emplace_back(N);
+ return;
+}
-/// finalize - Construct any deferred debug info descriptors.
void DIBuilder::finalize() {
DIArray Enums = getOrCreateArray(AllEnumTypes);
DIType(TempEnumTypes).replaceAllUsesWith(Enums);
- SmallVector<Value *, 16> RetainValues;
+ 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<Value *, 16> RetainSet;
+ SmallPtrSet<Metadata *, 16> RetainSet;
for (unsigned I = 0, E = AllRetainTypes.size(); I < E; I++)
- if (RetainSet.insert(AllRetainTypes[I]))
+ if (RetainSet.insert(AllRetainTypes[I]).second)
RetainValues.push_back(AllRetainTypes[I]);
DIArray RetainTypes = getOrCreateArray(RetainValues);
DIType(TempRetainTypes).replaceAllUsesWith(RetainTypes);
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()) {
+ SmallVector<Metadata *, 4> Variables;
+ for (Metadata *V : PreservedVariables.lookup(SP))
+ Variables.push_back(V);
DIArray AV = getOrCreateArray(Variables);
DIType(Temp).replaceAllUsesWith(AV);
}
DIArray GVs = getOrCreateArray(AllGVs);
DIType(TempGVs).replaceAllUsesWith(GVs);
- DIArray IMs = getOrCreateArray(AllImportedModules);
+ SmallVector<Metadata *, 16> RetainValuesI;
+ for (unsigned I = 0, E = AllImportedModules.size(); I < E; I++)
+ RetainValuesI.push_back(AllImportedModules[I]);
+ DIArray IMs = getOrCreateArray(RetainValuesI);
DIType(TempImportedModules).replaceAllUsesWith(IMs);
+
+ // Now that all temp nodes have been replaced or deleted, resolve remaining
+ // cycles.
+ for (const auto &N : UnresolvedNodes)
+ if (N)
+ cast<GenericMDNode>(N)->resolveCycles();
+ UnresolvedNodes.clear();
+
+ // Can't handle unresolved nodes anymore.
+ AllowUnresolvedNodes = false;
}
-/// getNonCompileUnitScope - If N is compile unit return NULL otherwise return
-/// N.
+/// If N is compile unit return NULL otherwise return N.
static MDNode *getNonCompileUnitScope(MDNode *N) {
if (DIDescriptor(N).isCompileUnit())
- return NULL;
+ return nullptr;
return N;
}
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),
- };
+ Metadata *Pair[] = {MDString::get(VMContext, Filename),
+ MDString::get(VMContext, Directory)};
return MDNode::get(VMContext, Pair);
}
-/// createCompileUnit - A CompileUnit provides an anchor for all debugging
-/// information generated during this instance of compilation.
DICompileUnit 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) ||
+ StringRef SplitName,
+ DebugEmissionKind Kind,
+ bool EmitDebugInfo) {
+
+ assert(((Lang <= dwarf::DW_LANG_OCaml && 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) };
+ Metadata *TElts[] = {HeaderBuilder::get(DW_TAG_base_type).get(VMContext)};
TempEnumTypes = MDNode::getTemporary(VMContext, TElts);
TempRetainTypes = MDNode::getTemporary(VMContext, TElts);
@@ -116,467 +156,377 @@ DICompileUnit DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
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)
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_compile_unit)
+ .concat(Lang)
+ .concat(Producer)
+ .concat(isOptimized)
+ .concat(Flags)
+ .concat(RunTimeVer)
+ .concat(SplitName)
+ .concat(Kind)
+ .get(VMContext),
+ createFilePathPair(VMContext, Filename, Directory),
+ TempEnumTypes, TempRetainTypes, TempSubprograms, TempGVs,
+ TempImportedModules};
MDNode *CUNode = MDNode::get(VMContext, Elts);
// Create a named metadata so that it is easier to find cu in a module.
- NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu");
- NMD->addOperand(CUNode);
+ // 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) {
+createImportedModule(LLVMContext &C, dwarf::Tag Tag, DIScope Context,
+ Metadata *NS, unsigned Line, StringRef Name,
+ SmallVectorImpl<TrackingMDNodeRef> &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);
- }
+ Metadata *Elts[] = {HeaderBuilder::get(Tag).concat(Line).concat(Name).get(C),
+ Context, NS};
+ R = MDNode::get(C, Elts);
DIImportedEntity M(R);
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)
- };
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_file_type).get(VMContext),
+ createFilePathPair(VMContext, Filename, Directory)};
return DIFile(MDNode::get(VMContext, Elts));
}
-/// createEnumerator - Create a single enumerator value.
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)
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_enumerator)
+ .concat(Name)
+ .concat(Val)
+ .get(VMContext)};
return DIEnumerator(MDNode::get(VMContext, Elts));
}
-/// \brief Create a DWARF unspecified type.
DIBasicType DIBuilder::createUnspecifiedType(StringRef Name) {
assert(!Name.empty() && "Unable to create type without name");
// Unspecified types are 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, // Unused
- 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
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_unspecified_type)
+ .concat(Name)
+ .concat(0)
+ .concat(0)
+ .concat(0)
+ .concat(0)
+ .concat(0)
+ .concat(0)
+ .get(VMContext),
+ nullptr, // Filename
+ nullptr // Unused
};
return DIBasicType(MDNode::get(VMContext, Elts));
}
-/// \brief Create C++11 nullptr type.
DIBasicType DIBuilder::createNullPtrType() {
return createUnspecifiedType("decltype(nullptr)");
}
-/// createBasicType - Create debugging information entry for a basic
-/// type, e.g 'char'.
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, // Unused
- 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)
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_base_type)
+ .concat(Name)
+ .concat(0) // Line
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .concat(Encoding)
+ .get(VMContext),
+ nullptr, // Filename
+ nullptr // Unused
};
return DIBasicType(MDNode::get(VMContext, Elts));
}
-/// createQualifiedType - Create debugging information entry for a qualified
-/// type, e.g. 'const int'.
DIDerivedType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) {
// Qualified types are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- NULL, // Filename
- NULL, // Unused
- 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
- };
+ Metadata *Elts[] = {HeaderBuilder::get(Tag)
+ .concat(StringRef()) // Name
+ .concat(0) // Line
+ .concat(0) // Size
+ .concat(0) // Align
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .get(VMContext),
+ nullptr, // Filename
+ nullptr, // Unused
+ FromTy.getRef()};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
-/// createPointerType - Create debugging information entry for a pointer.
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, // Unused
- 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
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_pointer_type)
+ .concat(Name)
+ .concat(0) // Line
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .get(VMContext),
+ nullptr, // Filename
+ nullptr, // Unused
+ PointeeTy.getRef()};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
-DIDerivedType DIBuilder::createMemberPointerType(DIType PointeeTy,
- DIType Base) {
+DIDerivedType
+DIBuilder::createMemberPointerType(DIType PointeeTy, DIType Base,
+ uint64_t SizeInBits, uint64_t AlignInBits) {
// Pointer types are encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_ptr_to_member_type),
- NULL, // Filename
- NULL, // Unused
- 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.getRef()
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_ptr_to_member_type)
+ .concat(StringRef())
+ .concat(0) // Line
+ .concat(SizeInBits) // Size
+ .concat(AlignInBits) // Align
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .get(VMContext),
+ nullptr, // Filename
+ nullptr, // Unused
+ PointeeTy.getRef(), Base.getRef()};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
-/// createReferenceType - Create debugging information entry for a reference
-/// type.
DIDerivedType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) {
assert(RTy.isType() && "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
- };
+ Metadata *Elts[] = {HeaderBuilder::get(Tag)
+ .concat(StringRef()) // Name
+ .concat(0) // Line
+ .concat(0) // Size
+ .concat(0) // Align
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .get(VMContext),
+ nullptr, // Filename
+ nullptr, // TheCU,
+ RTy.getRef()};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
-/// createTypedef - Create debugging information entry for a typedef.
DIDerivedType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File,
unsigned LineNo, DIDescriptor Context) {
// typedefs are encoded in DIDerivedType format.
- assert(Ty.isType() && "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
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_typedef)
+ .concat(Name)
+ .concat(LineNo)
+ .concat(0) // Size
+ .concat(0) // Align
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .get(VMContext),
+ File.getFileNode(),
+ DIScope(getNonCompileUnitScope(Context)).getRef(),
+ Ty.getRef()};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
-/// createFriend - Create debugging information entry for a 'friend'.
DIDerivedType DIBuilder::createFriend(DIType Ty, DIType FriendTy) {
// typedefs are encoded in DIDerivedType format.
assert(Ty.isType() && "Invalid type!");
assert(FriendTy.isType() && "Invalid friend type!");
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_friend),
- NULL,
- Ty.getRef(),
- 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
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_friend)
+ .concat(StringRef()) // Name
+ .concat(0) // Line
+ .concat(0) // Size
+ .concat(0) // Align
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .get(VMContext),
+ nullptr, Ty.getRef(), FriendTy.getRef()};
return DIDerivedType(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) {
+DIDerivedType DIBuilder::createInheritance(DIType Ty, DIType BaseTy,
+ uint64_t BaseOffset,
+ unsigned Flags) {
assert(Ty.isType() && "Unable to create inheritance");
// TAG_inheritance is encoded in DIDerivedType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_inheritance),
- NULL,
- Ty.getRef(),
- 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
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_inheritance)
+ .concat(StringRef()) // Name
+ .concat(0) // Line
+ .concat(0) // Size
+ .concat(0) // Align
+ .concat(BaseOffset)
+ .concat(Flags)
+ .get(VMContext),
+ nullptr, Ty.getRef(), BaseTy.getRef()};
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) {
+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(),
- DIScope(getNonCompileUnitScope(Scope)).getRef(),
- 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
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_member)
+ .concat(Name)
+ .concat(LineNumber)
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(OffsetInBits)
+ .concat(Flags)
+ .get(VMContext),
+ File.getFileNode(),
+ DIScope(getNonCompileUnitScope(Scope)).getRef(),
+ Ty.getRef()};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
-/// createStaticMemberType - Create debugging information entry for a
-/// C++ static data member.
-DIDerivedType
-DIBuilder::createStaticMemberType(DIDescriptor Scope, StringRef Name,
- DIFile File, unsigned LineNumber,
- DIType Ty, unsigned Flags,
- llvm::Value *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 DIDerivedType(MDNode::get(VMContext, Elts));
+static Metadata *getConstantOrNull(Constant *C) {
+ if (C)
+ return ConstantAsMetadata::get(C);
+ return nullptr;
}
-/// createObjCIVar - Create debugging information entry for Objective-C
-/// instance variable.
-DIDerivedType
-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) {
+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.
- 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)
- };
+ Flags |= DIDescriptor::FlagStaticMember;
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_member)
+ .concat(Name)
+ .concat(LineNumber)
+ .concat(0) // Size
+ .concat(0) // Align
+ .concat(0) // Offset
+ .concat(Flags)
+ .get(VMContext),
+ File.getFileNode(),
+ DIScope(getNonCompileUnitScope(Scope)).getRef(),
+ Ty.getRef(), getConstantOrNull(Val)};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
-/// createObjCIVar - Create debugging information entry for Objective-C
-/// instance variable.
-DIDerivedType
-DIBuilder::createObjCIVar(StringRef Name,
- DIFile File, unsigned LineNumber,
- uint64_t SizeInBits, uint64_t AlignInBits,
- uint64_t OffsetInBits, unsigned Flags,
- DIType Ty, MDNode *PropertyNode) {
+DIDerivedType 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
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_member)
+ .concat(Name)
+ .concat(LineNumber)
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(OffsetInBits)
+ .concat(Flags)
+ .get(VMContext),
+ File.getFileNode(), getNonCompileUnitScope(File), Ty,
+ PropertyNode};
return DIDerivedType(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
- };
+DIObjCProperty
+DIBuilder::createObjCProperty(StringRef Name, DIFile File, unsigned LineNumber,
+ StringRef GetterName, StringRef SetterName,
+ unsigned PropertyAttributes, DIType Ty) {
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_APPLE_property)
+ .concat(Name)
+ .concat(LineNumber)
+ .concat(GetterName)
+ .concat(SetterName)
+ .concat(PropertyAttributes)
+ .get(VMContext),
+ File, Ty};
return DIObjCProperty(MDNode::get(VMContext, Elts));
}
-/// createTemplateTypeParameter - Create debugging information for template
-/// type parameter.
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)
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_template_type_parameter)
+ .concat(Name)
+ .concat(LineNo)
+ .concat(ColumnNo)
+ .get(VMContext),
+ DIScope(getNonCompileUnitScope(Context)).getRef(),
+ Ty.getRef(), File};
return DITemplateTypeParameter(MDNode::get(VMContext, Elts));
}
-DITemplateValueParameter
-DIBuilder::createTemplateValueParameter(unsigned Tag, DIDescriptor Context,
- StringRef Name, DIType Ty,
- Value *Val, MDNode *File,
- unsigned LineNo,
- unsigned ColumnNo) {
- Value *Elts[] = {
- GetTagConstant(VMContext, Tag),
- getNonCompileUnitScope(Context),
- MDString::get(VMContext, Name),
- Ty,
- Val,
- File,
- ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
- ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
- };
+static DITemplateValueParameter createTemplateValueParameterHelper(
+ LLVMContext &VMContext, unsigned Tag, DIDescriptor Context, StringRef Name,
+ DIType Ty, Metadata *MD, MDNode *File, unsigned LineNo, unsigned ColumnNo) {
+ Metadata *Elts[] = {
+ HeaderBuilder::get(Tag).concat(Name).concat(LineNo).concat(ColumnNo).get(
+ VMContext),
+ DIScope(getNonCompileUnitScope(Context)).getRef(), Ty.getRef(), MD, File};
return DITemplateValueParameter(MDNode::get(VMContext, Elts));
}
-/// createTemplateValueParameter - Create debugging information for template
-/// value parameter.
DITemplateValueParameter
DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name,
- DIType Ty, Value *Val,
- MDNode *File, unsigned LineNo,
- unsigned ColumnNo) {
- return createTemplateValueParameter(dwarf::DW_TAG_template_value_parameter,
- Context, Name, Ty, Val, File, LineNo,
- ColumnNo);
+ DIType Ty, Constant *Val, MDNode *File,
+ unsigned LineNo, unsigned ColumnNo) {
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_template_value_parameter, Context, Name, Ty,
+ getConstantOrNull(Val), File, LineNo, ColumnNo);
}
DITemplateValueParameter
@@ -584,8 +534,8 @@ DIBuilder::createTemplateTemplateParameter(DIDescriptor Context, StringRef Name,
DIType Ty, StringRef Val,
MDNode *File, unsigned LineNo,
unsigned ColumnNo) {
- return createTemplateValueParameter(
- dwarf::DW_TAG_GNU_template_template_param, Context, Name, Ty,
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_GNU_template_template_param, Context, Name, Ty,
MDString::get(VMContext, Val), File, LineNo, ColumnNo);
}
DIType Ty, DIArray Val,
MDNode *File, unsigned LineNo,
unsigned ColumnNo) {
- return createTemplateValueParameter(dwarf::DW_TAG_GNU_template_parameter_pack,
- Context, Name, Ty, Val, File, LineNo,
- ColumnNo);
+ return createTemplateValueParameterHelper(
+ VMContext, dwarf::DW_TAG_GNU_template_parameter_pack, Context, Name, Ty,
+ Val, File, LineNo, ColumnNo);
}
-/// createClassType - Create debugging information entry for a class.
DICompositeType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits,
@@ -613,23 +562,20 @@ DICompositeType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
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.getRef(),
- TemplateParams,
- UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
- };
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_class_type)
+ .concat(Name)
+ .concat(LineNumber)
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(OffsetInBits)
+ .concat(Flags)
+ .concat(0)
+ .get(VMContext),
+ File.getFileNode(), DIScope(getNonCompileUnitScope(Context)).getRef(),
+ DerivedFrom.getRef(), Elements, VTableHolder.getRef(), TemplateParams,
+ UniqueIdentifier.empty() ? nullptr
+ : MDString::get(VMContext, UniqueIdentifier)};
DICompositeType R(MDNode::get(VMContext, Elts));
assert(R.isCompositeType() &&
"createClassType should return a DICompositeType");
@@ -638,7 +584,6 @@ DICompositeType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
return R;
}
-/// createStructType - Create debugging information entry for a struct.
DICompositeType DIBuilder::createStructType(DIDescriptor Context,
StringRef Name, DIFile File,
unsigned LineNumber,
DIType VTableHolder,
StringRef UniqueIdentifier) {
// 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.getRef(),
- NULL,
- UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
- };
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_structure_type)
+ .concat(Name)
+ .concat(LineNumber)
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(0)
+ .concat(Flags)
+ .concat(RunTimeLang)
+ .get(VMContext),
+ File.getFileNode(), DIScope(getNonCompileUnitScope(Context)).getRef(),
+ DerivedFrom.getRef(), Elements, VTableHolder.getRef(), nullptr,
+ UniqueIdentifier.empty() ? nullptr
+ : MDString::get(VMContext, UniqueIdentifier)};
DICompositeType R(MDNode::get(VMContext, Elts));
assert(R.isCompositeType() &&
"createStructType should return a DICompositeType");
return R;
}
-/// createUnionType - Create debugging information entry for an union.
DICompositeType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits,
@@ -684,216 +625,182 @@ DICompositeType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name,
unsigned RunTimeLang,
StringRef UniqueIdentifier) {
// 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),
- NULL,
- NULL,
- UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
- };
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_union_type)
+ .concat(Name)
+ .concat(LineNumber)
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(0) // Offset
+ .concat(Flags)
+ .concat(RunTimeLang)
+ .get(VMContext),
+ File.getFileNode(), DIScope(getNonCompileUnitScope(Scope)).getRef(),
+ nullptr, Elements, nullptr, nullptr,
+ UniqueIdentifier.empty() ? nullptr
+ : MDString::get(VMContext, UniqueIdentifier)};
DICompositeType R(MDNode::get(VMContext, Elts));
if (!UniqueIdentifier.empty())
retainType(R);
return R;
}
-/// createSubroutineType - Create subroutine type.
-DICompositeType
-DIBuilder::createSubroutineType(DIFile File, DIArray ParameterTypes) {
+DISubroutineType DIBuilder::createSubroutineType(DIFile File,
+ DITypeArray ParameterTypes,
+ unsigned Flags) {
// TAG_subroutine_type is encoded in DICompositeType format.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_subroutine_type),
- Constant::getNullValue(Type::getInt32Ty(VMContext)),
- NULL,
- 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),
- NULL,
- NULL,
- NULL // Type Identifer
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_subroutine_type)
+ .concat(StringRef())
+ .concat(0) // Line
+ .concat(0) // Size
+ .concat(0) // Align
+ .concat(0) // Offset
+ .concat(Flags) // Flags
+ .concat(0)
+ .get(VMContext),
+ nullptr, nullptr, nullptr, ParameterTypes, nullptr, nullptr,
+ nullptr // Type Identifer
};
- return DICompositeType(MDNode::get(VMContext, Elts));
+ return DISubroutineType(MDNode::get(VMContext, Elts));
}
-/// createEnumerationType - Create debugging information entry for an
-/// enumeration.
DICompositeType DIBuilder::createEnumerationType(
DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits, DIArray Elements,
DIType UnderlyingType, StringRef UniqueIdentifier) {
// 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),
- NULL,
- NULL,
- UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
- };
- MDNode *Node = MDNode::get(VMContext, Elts);
- AllEnumTypes.push_back(Node);
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_enumeration_type)
+ .concat(Name)
+ .concat(LineNumber)
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .concat(0)
+ .get(VMContext),
+ File.getFileNode(), DIScope(getNonCompileUnitScope(Scope)).getRef(),
+ UnderlyingType.getRef(), Elements, nullptr, nullptr,
+ UniqueIdentifier.empty() ? nullptr
+ : MDString::get(VMContext, UniqueIdentifier)};
+ DICompositeType CTy(MDNode::get(VMContext, Elts));
+ AllEnumTypes.push_back(CTy);
if (!UniqueIdentifier.empty())
- retainType(Node);
- return DICompositeType(Node);
+ retainType(CTy);
+ return CTy;
}
-/// createArrayType - Create debugging information entry for an array.
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, // Unused
- 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),
- NULL,
- NULL,
- NULL // Type Identifer
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_array_type)
+ .concat(StringRef())
+ .concat(0) // Line
+ .concat(Size)
+ .concat(AlignInBits)
+ .concat(0) // Offset
+ .concat(0) // Flags
+ .concat(0)
+ .get(VMContext),
+ nullptr, // Filename/Directory,
+ nullptr, // Unused
+ Ty.getRef(), Subscripts, nullptr, nullptr,
+ nullptr // Type Identifer
};
return DICompositeType(MDNode::get(VMContext, Elts));
}
-/// createVectorType - Create debugging information entry for a vector.
DICompositeType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits,
DIType Ty, DIArray Subscripts) {
// A vector is an array type with the FlagVector flag applied.
- Value *Elts[] = {
- GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
- NULL, // Filename/Directory,
- NULL, // Unused
- 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),
- NULL,
- NULL,
- NULL // Type Identifer
+ Metadata *Elts[] = {
+ HeaderBuilder::get(dwarf::DW_TAG_array_type)
+ .concat("")
+ .concat(0) // Line
+ .concat(Size)
+ .concat(AlignInBits)
+ .concat(0) // Offset
+ .concat(DIType::FlagVector)
+ .concat(0)
+ .get(VMContext),
+ nullptr, // Filename/Directory,
+ nullptr, // Unused
+ Ty.getRef(), Subscripts, nullptr, nullptr,
+ nullptr // Type Identifer
};
return DICompositeType(MDNode::get(VMContext, Elts));
}
-/// createArtificialType - Create a new DIType with "artificial" flag set.
-DIType DIBuilder::createArtificialType(DIType Ty) {
- if (Ty.isArtificial())
- return Ty;
+static HeaderBuilder setTypeFlagsInHeader(StringRef Header,
+ unsigned FlagsToSet) {
+ DIHeaderFieldIterator I(Header);
+ std::advance(I, 6);
- SmallVector<Value *, 9> Elts;
- MDNode *N = Ty;
- assert (N && "Unexpected input DIType!");
- for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
- Elts.push_back(N->getOperand(i));
+ unsigned Flags;
+ if (I->getAsInteger(0, Flags))
+ Flags = 0;
+ Flags |= FlagsToSet;
- unsigned CurFlags = Ty.getFlags();
- CurFlags = CurFlags | DIType::FlagArtificial;
+ return HeaderBuilder(Twine(I.getPrefix())).concat(Flags).concat(
+ I.getSuffix());
+}
- // Flags are stored at this slot.
- Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags);
+static DIType createTypeWithFlags(LLVMContext &Context, DIType Ty,
+ unsigned FlagsToSet) {
+ SmallVector<Metadata *, 9> Elts;
+ MDNode *N = Ty;
+ assert(N && "Unexpected input DIType!");
+ // Update header field.
+ Elts.push_back(setTypeFlagsInHeader(Ty.getHeader(), FlagsToSet).get(Context));
+ for (unsigned I = 1, E = N->getNumOperands(); I != E; ++I)
+ Elts.push_back(N->getOperand(I));
- return DIType(MDNode::get(VMContext, Elts));
+ return DIType(MDNode::get(Context, Elts));
+}
+
+DIType DIBuilder::createArtificialType(DIType Ty) {
+ if (Ty.isArtificial())
+ return Ty;
+ 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) {
if (Ty.isObjectPointer())
return Ty;
-
- SmallVector<Value *, 9> Elts;
- MDNode *N = Ty;
- assert (N && "Unexpected input DIType!");
- for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
- Elts.push_back(N->getOperand(i));
-
- 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));
+ unsigned Flags = DIType::FlagObjectPointer | DIType::FlagArtificial;
+ return createTypeWithFlags(VMContext, Ty, Flags);
}
-/// retainType - Retain DIType in a module even if it is not referenced
-/// through debug info anchors.
-void DIBuilder::retainType(DIType T) {
- AllRetainTypes.push_back(TrackingVH<MDNode>(T));
-}
+void DIBuilder::retainType(DIType T) { AllRetainTypes.emplace_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));
+DIBasicType DIBuilder::createUnspecifiedParameter() {
+ return DIBasicType();
}
-/// createForwardDecl - Create a temporary forward-declared type that
-/// can be RAUW'd if the full type is seen.
-DICompositeType DIBuilder::createForwardDecl(unsigned Tag, StringRef Name,
- DIDescriptor Scope, DIFile F,
- unsigned Line, unsigned RuntimeLang,
- uint64_t SizeInBits,
- uint64_t AlignInBits,
- StringRef UniqueIdentifier) {
+DICompositeType
+DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope,
+ DIFile F, unsigned Line, unsigned RuntimeLang,
+ uint64_t SizeInBits, uint64_t AlignInBits,
+ StringRef UniqueIdentifier) {
// 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),
- NULL,
- NULL, //TemplateParams
- UniqueIdentifier.empty() ? NULL : MDString::get(VMContext, UniqueIdentifier)
- };
- MDNode *Node = MDNode::getTemporary(VMContext, Elts);
+ Metadata *Elts[] = {
+ HeaderBuilder::get(Tag)
+ .concat(Name)
+ .concat(Line)
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(0) // Offset
+ .concat(DIDescriptor::FlagFwdDecl)
+ .concat(RuntimeLang)
+ .get(VMContext),
+ F.getFileNode(), DIScope(getNonCompileUnitScope(Scope)).getRef(), nullptr,
+ DIArray(), nullptr,
+ nullptr, // TemplateParams
+ UniqueIdentifier.empty() ? nullptr
+ : MDString::get(VMContext, UniqueIdentifier)};
+ MDNode *Node = MDNode::get(VMContext, Elts);
DICompositeType RetTy(Node);
assert(RetTy.isCompositeType() &&
"createForwardDecl result should be a DIType");
return RetTy;
}
-/// 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));
- }
+DICompositeType DIBuilder::createReplaceableForwardDecl(
+ unsigned Tag, StringRef Name, DIDescriptor Scope, DIFile F, unsigned Line,
+ unsigned RuntimeLang, uint64_t SizeInBits, uint64_t AlignInBits,
+ StringRef UniqueIdentifier) {
+ // Create a temporary MDNode.
+ Metadata *Elts[] = {
+ HeaderBuilder::get(Tag)
+ .concat(Name)
+ .concat(Line)
+ .concat(SizeInBits)
+ .concat(AlignInBits)
+ .concat(0) // Offset
+ .concat(DIDescriptor::FlagFwdDecl)
+ .concat(RuntimeLang)
+ .get(VMContext),
+ F.getFileNode(), DIScope(getNonCompileUnitScope(Scope)).getRef(), nullptr,
+ DIArray(), nullptr,
+ nullptr, // TemplateParams
+ UniqueIdentifier.empty() ? nullptr
+ : MDString::get(VMContext, UniqueIdentifier)};
+ DICompositeType RetTy(MDNode::getTemporary(VMContext, Elts));
+ assert(RetTy.isCompositeType() &&
+ "createReplaceableForwardDecl result should be a DIType");
+ if (!UniqueIdentifier.empty())
+ retainType(RetTy);
+ return RetTy;
+}
+
+DIArray DIBuilder::getOrCreateArray(ArrayRef<Metadata *> Elements) {
return DIArray(MDNode::get(VMContext, Elements));
}
-/// getOrCreateSubrange - Create a descriptor for a value range. This
-/// implicitly uniques the values returned.
+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(Elements[i]);
+ }
+ return DITypeArray(MDNode::get(VMContext, Elts));
+}
+
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)
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_subrange_type)
+ .concat(Lo)
+ .concat(Count)
+ .get(VMContext)};
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);
+static DIGlobalVariable createGlobalVariableHelper(
+ LLVMContext &VMContext, DIDescriptor Context, StringRef Name,
+ StringRef LinkageName, DIFile F, unsigned LineNumber, DITypeRef Ty,
+ bool isLocalToUnit, Constant *Val, MDNode *Decl, bool isDefinition,
+ std::function<MDNode *(ArrayRef<Metadata *>)> CreateFunc) {
+
+ MDNode *TheCtx = getNonCompileUnitScope(Context);
+ if (DIScope(TheCtx).isCompositeType()) {
+ assert(!DICompositeType(TheCtx).getIdentifier() &&
+ "Context of a global variable should not be a type with identifier");
+ }
+
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_variable)
+ .concat(Name)
+ .concat(Name)
+ .concat(LinkageName)
+ .concat(LineNumber)
+ .concat(isLocalToUnit)
+ .concat(isDefinition)
+ .get(VMContext),
+ TheCtx, F, Ty, getConstantOrNull(Val),
+ DIDescriptor(Decl)};
+
+ return DIGlobalVariable(CreateFunc(Elts));
+}
+
+DIGlobalVariable DIBuilder::createGlobalVariable(
+ DIDescriptor Context, StringRef Name, StringRef LinkageName, DIFile F,
+ unsigned LineNumber, DITypeRef Ty, bool isLocalToUnit, Constant *Val,
+ MDNode *Decl) {
+ return createGlobalVariableHelper(
+ VMContext, Context, Name, LinkageName, F, LineNumber, Ty, isLocalToUnit,
+ Val, Decl, true, [&](ArrayRef<Metadata *> Elts) -> MDNode *{
+ MDNode *Node = MDNode::get(VMContext, Elts);
+ AllGVs.push_back(Node);
+ return Node;
+ });
+}
+
+DIGlobalVariable DIBuilder::createTempGlobalVariableFwdDecl(
+ DIDescriptor Context, StringRef Name, StringRef LinkageName, DIFile F,
+ unsigned LineNumber, DITypeRef Ty, bool isLocalToUnit, Constant *Val,
+ MDNode *Decl) {
+ return createGlobalVariableHelper(VMContext, Context, Name, LinkageName, F,
+ LineNumber, Ty, isLocalToUnit, Val, Decl,
+ false, [&](ArrayRef<Metadata *> Elts) {
+ return MDNode::getTemporary(VMContext, Elts);
+ });
}
-/// createVariable - Create a new descriptor for the specified variable.
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) {
DIDescriptor Context(getNonCompileUnitScope(Scope));
assert((!Context || Context.isScope()) &&
"createLocalVariable should be called with a valid Context");
- assert(Ty.isType() &&
- "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))
- };
+ Metadata *Elts[] = {HeaderBuilder::get(Tag)
+ .concat(Name)
+ .concat(LineNo | (ArgNo << 24))
+ .concat(Flags)
+ .get(VMContext),
+ getNonCompileUnitScope(Scope), File, Ty};
MDNode *Node = MDNode::get(VMContext, Elts);
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);
}
DIVariable RetVar(Node);
assert(RetVar.isVariable() &&
@@ -1018,115 +940,134 @@ DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope,
return RetVar;
}
-/// 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,
+DIExpression DIBuilder::createExpression(ArrayRef<int64_t> Addr) {
+ auto Header = HeaderBuilder::get(DW_TAG_expression);
+ for (int64_t I : Addr)
+ Header.concat(I);
+ Metadata *Elts[] = {Header.get(VMContext)};
+ return DIExpression(MDNode::get(VMContext, Elts));
+}
+
+DIExpression DIBuilder::createPieceExpression(unsigned OffsetInBytes,
+ unsigned SizeInBytes) {
+ int64_t Addr[] = {dwarf::DW_OP_piece, OffsetInBytes, SizeInBytes};
+ return createExpression(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);
+}
+
+static DISubprogram createFunctionHelper(
+ LLVMContext &VMContext, 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, MDNode *Vars,
+ std::function<MDNode *(ArrayRef<Metadata *>)> CreateFunc) {
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.
- if (isDefinition)
- AllSubprograms.push_back(Node);
- DISubprogram S(Node);
- assert(S.isSubprogram() && "createFunction should return a valid DISubprogram");
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_subprogram)
+ .concat(Name)
+ .concat(Name)
+ .concat(LinkageName)
+ .concat(LineNo)
+ .concat(isLocalToUnit)
+ .concat(isDefinition)
+ .concat(0)
+ .concat(0)
+ .concat(Flags)
+ .concat(isOptimized)
+ .concat(ScopeLine)
+ .get(VMContext),
+ File.getFileNode(),
+ DIScope(getNonCompileUnitScope(Context)).getRef(), Ty,
+ nullptr, getConstantOrNull(Fn), TParams, Decl, Vars};
+
+ DISubprogram S(CreateFunc(Elts));
+ assert(S.isSubprogram() &&
+ "createFunction should return a valid DISubprogram");
return S;
}
-/// createMethod - Create a new descriptor for the specified C++ method.
-DISubprogram DIBuilder::createMethod(DIDescriptor Context,
- StringRef Name,
- StringRef LinkageName,
- DIFile F,
+
+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) {
+ return createFunctionHelper(VMContext, Context, Name, LinkageName, File,
+ LineNo, Ty, isLocalToUnit, isDefinition,
+ ScopeLine, Flags, isOptimized, Fn, TParams, Decl,
+ MDNode::getTemporary(VMContext, None),
+ [&](ArrayRef<Metadata *> Elts) -> MDNode *{
+ MDNode *Node = MDNode::get(VMContext, Elts);
+ // Create a named metadata so that we
+ // do not lose this mdnode.
+ if (isDefinition)
+ AllSubprograms.push_back(Node);
+ return Node;
+ });
+}
+
+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 createFunctionHelper(VMContext, Context, Name, LinkageName, File,
+ LineNo, Ty, isLocalToUnit, isDefinition,
+ ScopeLine, Flags, isOptimized, Fn, TParams, Decl,
+ nullptr, [&](ArrayRef<Metadata *> Elts) {
+ return MDNode::getTemporary(VMContext, Elts);
+ });
+}
+
+DISubprogram DIBuilder::createMethod(DIDescriptor Context, StringRef Name,
+ StringRef LinkageName, DIFile F,
+ unsigned LineNo, DICompositeType Ty,
+ bool isLocalToUnit, bool isDefinition,
unsigned VK, unsigned VIndex,
- DIType 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.getRef(),
- 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)
- };
+ assert(getNonCompileUnitScope(Context) &&
+ "Methods should have both a Context and a context that isn't "
+ "the compile unit.");
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_subprogram)
+ .concat(Name)
+ .concat(Name)
+ .concat(LinkageName)
+ .concat(LineNo)
+ .concat(isLocalToUnit)
+ .concat(isDefinition)
+ .concat(VK)
+ .concat(VIndex)
+ .concat(Flags)
+ .concat(isOptimized)
+ .concat(LineNo)
+ // FIXME: Do we want to use different scope/lines?
+ .get(VMContext),
+ F.getFileNode(), DIScope(Context).getRef(), Ty,
+ VTableHolder.getRef(), getConstantOrNull(Fn), TParam,
+ nullptr, nullptr};
MDNode *Node = MDNode::get(VMContext, Elts);
if (isDefinition)
AllSubprograms.push_back(Node);
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)
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_namespace)
+ .concat(Name)
+ .concat(LineNo)
+ .get(VMContext),
+ File.getFileNode(), getNonCompileUnitScope(Scope)};
DINameSpace R(MDNode::get(VMContext, Elts));
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
- };
+ DIFile File,
+ unsigned Discriminator) {
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_lexical_block)
+ .concat(Discriminator)
+ .get(VMContext),
+ File.getFileNode(), Scope};
DILexicalBlockFile R(MDNode::get(VMContext, Elts));
assert(
R.Verify() &&
DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
unsigned Line, unsigned Col) {
+ // FIXME: This isn't thread safe nor the right way to defeat MDNode uniquing.
+ // I believe the right way is to have a self-referential element in the node.
+ // Also: why do we bother with line/column - they're not used and the
+ // documentation (SourceLevelDebugging.rst) claims the line/col are necessary
+ // for uniquing, yet then we have this other solution (because line/col were
+ // inadequate) anyway. Remove all 3 and replace them with a self-reference.
+
// Defeat MDNode uniquing 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++)
- };
+ Metadata *Elts[] = {HeaderBuilder::get(dwarf::DW_TAG_lexical_block)
+ .concat(Line)
+ .concat(Col)
+ .concat(unique_id++)
+ .get(VMContext),
+ File.getFileNode(), getNonCompileUnitScope(Scope)};
DILexicalBlock R(MDNode::get(VMContext, Elts));
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.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.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.isVariable() &&
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.isVariable() &&
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 has dropped RAUW support and is already
+ // marked resolved, orphaning any cycles underneath it.
+ assert(T->isResolved() && "Expected self-reference to be resolved");
+ 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);
+}