#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
+#include "llvm/IR/GVMaterializer.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/Debug.h"
using namespace llvm;
using namespace llvm::dwarf;
-//===----------------------------------------------------------------------===//
-// DIDescriptor
-//===----------------------------------------------------------------------===//
-
-bool DIDescriptor::Verify() const {
- return DbgNode &&
- (DIDerivedType(DbgNode).Verify() ||
- DICompositeType(DbgNode).Verify() || DIBasicType(DbgNode).Verify() ||
- DIVariable(DbgNode).Verify() || DISubprogram(DbgNode).Verify() ||
- DIGlobalVariable(DbgNode).Verify() || DIFile(DbgNode).Verify() ||
- DICompileUnit(DbgNode).Verify() || DINameSpace(DbgNode).Verify() ||
- DILexicalBlock(DbgNode).Verify() ||
- DILexicalBlockFile(DbgNode).Verify() ||
- DISubrange(DbgNode).Verify() || DIEnumerator(DbgNode).Verify() ||
- DIObjCProperty(DbgNode).Verify() ||
- DITemplateTypeParameter(DbgNode).Verify() ||
- DITemplateValueParameter(DbgNode).Verify() ||
- DIImportedEntity(DbgNode).Verify() || DIExpression(DbgNode).Verify());
-}
-
-static Value *getField(const MDNode *DbgNode, unsigned Elt) {
- if (!DbgNode || Elt >= DbgNode->getNumOperands())
- return nullptr;
- return DbgNode->getOperand(Elt);
-}
-
-static MDNode *getNodeField(const MDNode *DbgNode, unsigned Elt) {
- return dyn_cast_or_null<MDNode>(getField(DbgNode, Elt));
-}
-
-static StringRef getStringField(const MDNode *DbgNode, unsigned Elt) {
- if (MDString *MDS = dyn_cast_or_null<MDString>(getField(DbgNode, Elt)))
- return MDS->getString();
- return StringRef();
-}
-
-StringRef DIDescriptor::getStringField(unsigned Elt) const {
- return ::getStringField(DbgNode, Elt);
-}
-
-uint64_t DIDescriptor::getUInt64Field(unsigned Elt) const {
- if (!DbgNode)
- return 0;
-
- if (Elt < DbgNode->getNumOperands())
- if (ConstantInt *CI =
- dyn_cast_or_null<ConstantInt>(DbgNode->getOperand(Elt)))
- return CI->getZExtValue();
-
- return 0;
-}
-
-int64_t DIDescriptor::getInt64Field(unsigned Elt) const {
- if (!DbgNode)
- return 0;
-
- if (Elt < DbgNode->getNumOperands())
- if (ConstantInt *CI =
- dyn_cast_or_null<ConstantInt>(DbgNode->getOperand(Elt)))
- return CI->getSExtValue();
-
- return 0;
-}
-
-DIDescriptor DIDescriptor::getDescriptorField(unsigned Elt) const {
- MDNode *Field = getNodeField(DbgNode, Elt);
- return DIDescriptor(Field);
-}
-
-GlobalVariable *DIDescriptor::getGlobalVariableField(unsigned Elt) const {
- if (!DbgNode)
- return nullptr;
-
- if (Elt < DbgNode->getNumOperands())
- return dyn_cast_or_null<GlobalVariable>(DbgNode->getOperand(Elt));
- return nullptr;
-}
-
-Constant *DIDescriptor::getConstantField(unsigned Elt) const {
- if (!DbgNode)
- return nullptr;
-
- if (Elt < DbgNode->getNumOperands())
- return dyn_cast_or_null<Constant>(DbgNode->getOperand(Elt));
- return nullptr;
-}
-
-Function *DIDescriptor::getFunctionField(unsigned Elt) const {
- if (!DbgNode)
- return nullptr;
-
- if (Elt < DbgNode->getNumOperands())
- return dyn_cast_or_null<Function>(DbgNode->getOperand(Elt));
- return nullptr;
-}
-
-void DIDescriptor::replaceFunctionField(unsigned Elt, Function *F) {
- if (!DbgNode)
- return;
-
- if (Elt < DbgNode->getNumOperands()) {
- MDNode *Node = const_cast<MDNode *>(DbgNode);
- Node->replaceOperandWith(Elt, F);
- }
-}
-
-/// getInlinedAt - If this variable is inlined then return inline location.
-MDNode *DIVariable::getInlinedAt() const { return getNodeField(DbgNode, 7); }
-
-/// Return the size reported by the variable's type.
+/// \brief Return the size reported by the variable's type.
unsigned DIVariable::getSizeInBits(const DITypeIdentifierMap &Map) {
DIType Ty = getType().resolve(Map);
// Follow derived types until we reach a type that
// reports back a size.
- while (Ty.isDerivedType() && !Ty.getSizeInBits()) {
- DIDerivedType DT(&*Ty);
+ while (isa<MDDerivedType>(Ty) && !Ty.getSizeInBits()) {
+ DIDerivedType DT = cast<MDDerivedType>(Ty);
Ty = DT.getTypeDerivedFrom().resolve(Map);
}
assert(Ty.getSizeInBits() && "type with size 0");
return Ty.getSizeInBits();
}
-uint64_t DIExpression::getElement(unsigned Idx) const {
- unsigned I = Idx + 1;
- if (I < DbgNode->getNumOperands())
- if (auto *CI = dyn_cast_or_null<ConstantInt>(DbgNode->getOperand(I)))
- return CI->getZExtValue();
-
- assert(false && "non-existing complex address element requested");
- return 0;
-}
-
-bool DIExpression::isVariablePiece() const {
- return getNumElements() && getElement(0) == dwarf::DW_OP_piece;
-}
-
-uint64_t DIExpression::getPieceOffset() const {
- assert(isVariablePiece());
- return getElement(1);
-}
-
-uint64_t DIExpression::getPieceSize() const {
- assert(isVariablePiece());
- return getElement(2);
-}
-
-//===----------------------------------------------------------------------===//
-// Predicates
-//===----------------------------------------------------------------------===//
-
-bool DIDescriptor::isSubroutineType() const {
- return isCompositeType() && getTag() == dwarf::DW_TAG_subroutine_type;
-}
-
-/// isBasicType - Return true if the specified tag is legal for
-/// DIBasicType.
-bool DIDescriptor::isBasicType() const {
- if (!DbgNode)
- return false;
- switch (getTag()) {
- case dwarf::DW_TAG_base_type:
- case dwarf::DW_TAG_unspecified_type:
- return true;
- default:
- return false;
- }
-}
-
-/// isDerivedType - Return true if the specified tag is legal for DIDerivedType.
-bool DIDescriptor::isDerivedType() const {
- if (!DbgNode)
- return false;
- switch (getTag()) {
- case dwarf::DW_TAG_typedef:
- case dwarf::DW_TAG_pointer_type:
- case dwarf::DW_TAG_ptr_to_member_type:
- case dwarf::DW_TAG_reference_type:
- case dwarf::DW_TAG_rvalue_reference_type:
- case dwarf::DW_TAG_const_type:
- case dwarf::DW_TAG_volatile_type:
- case dwarf::DW_TAG_restrict_type:
- case dwarf::DW_TAG_member:
- case dwarf::DW_TAG_inheritance:
- case dwarf::DW_TAG_friend:
- return true;
- default:
- // CompositeTypes are currently modelled as DerivedTypes.
- return isCompositeType();
- }
-}
-
-/// isCompositeType - Return true if the specified tag is legal for
-/// DICompositeType.
-bool DIDescriptor::isCompositeType() const {
- if (!DbgNode)
- return false;
- switch (getTag()) {
- case dwarf::DW_TAG_array_type:
- case dwarf::DW_TAG_structure_type:
- case dwarf::DW_TAG_union_type:
- case dwarf::DW_TAG_enumeration_type:
- case dwarf::DW_TAG_subroutine_type:
- case dwarf::DW_TAG_class_type:
- return true;
- default:
- return false;
- }
-}
-
-/// isVariable - Return true if the specified tag is legal for DIVariable.
-bool DIDescriptor::isVariable() const {
- if (!DbgNode)
- return false;
- switch (getTag()) {
- case dwarf::DW_TAG_auto_variable:
- case dwarf::DW_TAG_arg_variable:
- return true;
- default:
- return false;
- }
-}
-
-/// isType - Return true if the specified tag is legal for DIType.
-bool DIDescriptor::isType() const {
- return isBasicType() || isCompositeType() || isDerivedType();
-}
-
-/// isSubprogram - Return true if the specified tag is legal for
-/// DISubprogram.
-bool DIDescriptor::isSubprogram() const {
- return DbgNode && getTag() == dwarf::DW_TAG_subprogram;
-}
-
-/// isGlobalVariable - Return true if the specified tag is legal for
-/// DIGlobalVariable.
-bool DIDescriptor::isGlobalVariable() const {
- return DbgNode && (getTag() == dwarf::DW_TAG_variable ||
- getTag() == dwarf::DW_TAG_constant);
-}
-
-/// isScope - Return true if the specified tag is one of the scope
-/// related tag.
-bool DIDescriptor::isScope() const {
- if (!DbgNode)
- return false;
- switch (getTag()) {
- case dwarf::DW_TAG_compile_unit:
- case dwarf::DW_TAG_lexical_block:
- case dwarf::DW_TAG_subprogram:
- case dwarf::DW_TAG_namespace:
- case dwarf::DW_TAG_file_type:
- return true;
- default:
- break;
- }
- return isType();
-}
-
-/// isTemplateTypeParameter - Return true if the specified tag is
-/// DW_TAG_template_type_parameter.
-bool DIDescriptor::isTemplateTypeParameter() const {
- return DbgNode && getTag() == dwarf::DW_TAG_template_type_parameter;
-}
-
-/// isTemplateValueParameter - Return true if the specified tag is
-/// DW_TAG_template_value_parameter.
-bool DIDescriptor::isTemplateValueParameter() const {
- return DbgNode && (getTag() == dwarf::DW_TAG_template_value_parameter ||
- getTag() == dwarf::DW_TAG_GNU_template_template_param ||
- getTag() == dwarf::DW_TAG_GNU_template_parameter_pack);
-}
-
-/// isCompileUnit - Return true if the specified tag is DW_TAG_compile_unit.
-bool DIDescriptor::isCompileUnit() const {
- return DbgNode && getTag() == dwarf::DW_TAG_compile_unit;
-}
-
-/// isFile - Return true if the specified tag is DW_TAG_file_type.
-bool DIDescriptor::isFile() const {
- return DbgNode && getTag() == dwarf::DW_TAG_file_type;
-}
-
-/// isNameSpace - Return true if the specified tag is DW_TAG_namespace.
-bool DIDescriptor::isNameSpace() const {
- return DbgNode && getTag() == dwarf::DW_TAG_namespace;
-}
-
-/// isLexicalBlockFile - Return true if the specified descriptor is a
-/// lexical block with an extra file.
-bool DIDescriptor::isLexicalBlockFile() const {
- return DbgNode && getTag() == dwarf::DW_TAG_lexical_block &&
- (DbgNode->getNumOperands() == 4);
-}
-
-/// isLexicalBlock - Return true if the specified tag is DW_TAG_lexical_block.
-bool DIDescriptor::isLexicalBlock() const {
- return DbgNode && getTag() == dwarf::DW_TAG_lexical_block &&
- (DbgNode->getNumOperands() > 3);
-}
-
-/// isSubrange - Return true if the specified tag is DW_TAG_subrange_type.
-bool DIDescriptor::isSubrange() const {
- return DbgNode && getTag() == dwarf::DW_TAG_subrange_type;
-}
-
-/// isEnumerator - Return true if the specified tag is DW_TAG_enumerator.
-bool DIDescriptor::isEnumerator() const {
- return DbgNode && getTag() == dwarf::DW_TAG_enumerator;
-}
-
-/// isObjCProperty - Return true if the specified tag is DW_TAG_APPLE_property.
-bool DIDescriptor::isObjCProperty() const {
- return DbgNode && getTag() == dwarf::DW_TAG_APPLE_property;
-}
-
-/// \brief Return true if the specified tag is DW_TAG_imported_module or
-/// DW_TAG_imported_declaration.
-bool DIDescriptor::isImportedEntity() const {
- return DbgNode && (getTag() == dwarf::DW_TAG_imported_module ||
- getTag() == dwarf::DW_TAG_imported_declaration);
-}
-
-/// \brief Return true if the specified tag is DW_TAG_imported_module or
-/// DW_TAG_imported_declaration.
-bool DIDescriptor::isExpression() const {
- return DbgNode && (getTag() == dwarf::DW_TAG_expression);
-}
-
//===----------------------------------------------------------------------===//
// Simple Descriptor Constructors and other Methods
//===----------------------------------------------------------------------===//
-/// replaceAllUsesWith - Replace all uses of the MDNode used by this
-/// type with the one in the passed descriptor.
-void DIDescriptor::replaceAllUsesWith(LLVMContext &VMContext, DIDescriptor D) {
-
+void DIDescriptor::replaceAllUsesWith(LLVMContext &, DIDescriptor D) {
assert(DbgNode && "Trying to replace an unverified type!");
+ assert(DbgNode->isTemporary() && "Expected temporary node");
+ TempMDNode Temp(get());
// Since we use a TrackingVH for the node, its easy for clients to manufacture
// legitimate situations where they want to replaceAllUsesWith() on something
// which, due to uniquing, has merged with the source. We shield clients from
// this detail by allowing a value to be replaced with replaceAllUsesWith()
// itself.
- const MDNode *DN = D;
- if (DbgNode == DN) {
- SmallVector<Value*, 10> Ops(DbgNode->getNumOperands());
- for (size_t i = 0; i != Ops.size(); ++i)
- Ops[i] = DbgNode->getOperand(i);
- DN = MDNode::get(VMContext, Ops);
+ if (Temp.get() == D.get()) {
+ DbgNode = MDNode::replaceWithUniqued(std::move(Temp));
+ return;
}
- MDNode *Node = const_cast<MDNode *>(DbgNode);
- const Value *V = cast_or_null<Value>(DN);
- Node->replaceAllUsesWith(const_cast<Value *>(V));
- MDNode::deleteTemporary(Node);
- DbgNode = DN;
+ Temp->replaceAllUsesWith(D.get());
+ DbgNode = D.get();
}
-/// replaceAllUsesWith - Replace all uses of the MDNode used by this
-/// type with the one in D.
void DIDescriptor::replaceAllUsesWith(MDNode *D) {
-
assert(DbgNode && "Trying to replace an unverified type!");
assert(DbgNode != D && "This replacement should always happen");
- MDNode *Node = const_cast<MDNode *>(DbgNode);
- const MDNode *DN = D;
- const Value *V = cast_or_null<Value>(DN);
- Node->replaceAllUsesWith(const_cast<Value *>(V));
- MDNode::deleteTemporary(Node);
-}
-
-/// Verify - Verify that a compile unit is well formed.
-bool DICompileUnit::Verify() const {
- if (!isCompileUnit())
- return false;
-
- // Don't bother verifying the compilation directory or producer string
- // as those could be empty.
- if (getFilename().empty())
- return false;
-
- return DbgNode->getNumOperands() == 14;
-}
-
-/// Verify - Verify that an ObjC property is well formed.
-bool DIObjCProperty::Verify() const {
- if (!isObjCProperty())
- return false;
-
- // Don't worry about the rest of the strings for now.
- return DbgNode->getNumOperands() == 8;
-}
-
-/// Check if a field at position Elt of a MDNode is a MDNode.
-/// We currently allow an empty string and an integer.
-/// But we don't allow a non-empty string in a MDNode field.
-static bool fieldIsMDNode(const MDNode *DbgNode, unsigned Elt) {
- // FIXME: This function should return true, if the field is null or the field
- // is indeed a MDNode: return !Fld || isa<MDNode>(Fld).
- Value *Fld = getField(DbgNode, Elt);
- if (Fld && isa<MDString>(Fld) && !cast<MDString>(Fld)->getString().empty())
- return false;
- return true;
-}
-
-/// Check if a field at position Elt of a MDNode is a MDString.
-static bool fieldIsMDString(const MDNode *DbgNode, unsigned Elt) {
- Value *Fld = getField(DbgNode, Elt);
- return !Fld || isa<MDString>(Fld);
-}
-
-/// Check if a value can be a reference to a type.
-static bool isTypeRef(const Value *Val) {
- return !Val ||
- (isa<MDString>(Val) && !cast<MDString>(Val)->getString().empty()) ||
- (isa<MDNode>(Val) && DIType(cast<MDNode>(Val)).isType());
-}
-
-/// Check if a field at position Elt of a MDNode can be a reference to a type.
-static bool fieldIsTypeRef(const MDNode *DbgNode, unsigned Elt) {
- Value *Fld = getField(DbgNode, Elt);
- return isTypeRef(Fld);
-}
-
-/// Check if a value can be a ScopeRef.
-static bool isScopeRef(const Value *Val) {
- return !Val ||
- (isa<MDString>(Val) && !cast<MDString>(Val)->getString().empty()) ||
- // Not checking for Val->isScope() here, because it would work
- // only for lexical scopes and not all subclasses of DIScope.
- isa<MDNode>(Val);
-}
-
-/// Check if a field at position Elt of a MDNode can be a ScopeRef.
-static bool fieldIsScopeRef(const MDNode *DbgNode, unsigned Elt) {
- Value *Fld = getField(DbgNode, Elt);
- return isScopeRef(Fld);
-}
-
-/// Verify - Verify that a type descriptor is well formed.
-bool DIType::Verify() const {
- if (!isType())
- return false;
- // Make sure Context @ field 2 is MDNode.
- if (!fieldIsScopeRef(DbgNode, 2))
- return false;
-
- // FIXME: Sink this into the various subclass verifies.
- uint16_t Tag = getTag();
- if (!isBasicType() && Tag != dwarf::DW_TAG_const_type &&
- Tag != dwarf::DW_TAG_volatile_type && Tag != dwarf::DW_TAG_pointer_type &&
- Tag != dwarf::DW_TAG_ptr_to_member_type &&
- Tag != dwarf::DW_TAG_reference_type &&
- Tag != dwarf::DW_TAG_rvalue_reference_type &&
- Tag != dwarf::DW_TAG_restrict_type && Tag != dwarf::DW_TAG_array_type &&
- Tag != dwarf::DW_TAG_enumeration_type &&
- Tag != dwarf::DW_TAG_subroutine_type &&
- Tag != dwarf::DW_TAG_inheritance && Tag != dwarf::DW_TAG_friend &&
- getFilename().empty())
- return false;
-
- // DIType is abstract, it should be a BasicType, a DerivedType or
- // a CompositeType.
- if (isBasicType())
- return DIBasicType(DbgNode).Verify();
- else if (isCompositeType())
- return DICompositeType(DbgNode).Verify();
- else if (isDerivedType())
- return DIDerivedType(DbgNode).Verify();
- else
- return false;
-}
-
-/// Verify - Verify that a basic type descriptor is well formed.
-bool DIBasicType::Verify() const {
- return isBasicType() && DbgNode->getNumOperands() == 10;
-}
-
-/// Verify - Verify that a derived type descriptor is well formed.
-bool DIDerivedType::Verify() const {
- // Make sure DerivedFrom @ field 9 is TypeRef.
- if (!fieldIsTypeRef(DbgNode, 9))
- return false;
- if (getTag() == dwarf::DW_TAG_ptr_to_member_type)
- // Make sure ClassType @ field 10 is a TypeRef.
- if (!fieldIsTypeRef(DbgNode, 10))
- return false;
-
- return isDerivedType() && DbgNode->getNumOperands() >= 10 &&
- DbgNode->getNumOperands() <= 14;
-}
-
-/// Verify - Verify that a composite type descriptor is well formed.
-bool DICompositeType::Verify() const {
- if (!isCompositeType())
- return false;
-
- // Make sure DerivedFrom @ field 9 and ContainingType @ field 12 are TypeRef.
- if (!fieldIsTypeRef(DbgNode, 9))
- return false;
- if (!fieldIsTypeRef(DbgNode, 12))
- return false;
-
- // Make sure the type identifier at field 14 is MDString, it can be null.
- if (!fieldIsMDString(DbgNode, 14))
- return false;
-
- // A subroutine type can't be both & and &&.
- if (isLValueReference() && isRValueReference())
- return false;
-
- return DbgNode->getNumOperands() == 15;
-}
-
-/// Verify - Verify that a subprogram descriptor is well formed.
-bool DISubprogram::Verify() const {
- if (!isSubprogram())
- return false;
-
- // Make sure context @ field 2 is a ScopeRef and type @ field 7 is a MDNode.
- if (!fieldIsScopeRef(DbgNode, 2))
- return false;
- if (!fieldIsMDNode(DbgNode, 7))
- return false;
- // Containing type @ field 12.
- if (!fieldIsTypeRef(DbgNode, 12))
- return false;
-
- // A subprogram can't be both & and &&.
- if (isLValueReference() && isRValueReference())
- return false;
-
- return DbgNode->getNumOperands() == 20;
-}
-
-/// Verify - Verify that a global variable descriptor is well formed.
-bool DIGlobalVariable::Verify() const {
- if (!isGlobalVariable())
- return false;
-
- if (getDisplayName().empty())
- return false;
- // Make sure context @ field 2 is an MDNode.
- if (!fieldIsMDNode(DbgNode, 2))
- return false;
- // Make sure that type @ field 8 is a DITypeRef.
- if (!fieldIsTypeRef(DbgNode, 8))
- return false;
- // Make sure StaticDataMemberDeclaration @ field 12 is MDNode.
- if (!fieldIsMDNode(DbgNode, 12))
- return false;
-
- return DbgNode->getNumOperands() == 13;
+ assert(DbgNode->isTemporary() && "Expected temporary node");
+ TempMDNode Node(get());
+ Node->replaceAllUsesWith(D);
}
-/// Verify - Verify that a variable descriptor is well formed.
-bool DIVariable::Verify() const {
- if (!isVariable())
- return false;
-
- // Make sure context @ field 1 is an MDNode.
- if (!fieldIsMDNode(DbgNode, 1))
- return false;
- // Make sure that type @ field 5 is a DITypeRef.
- if (!fieldIsTypeRef(DbgNode, 5))
- return false;
-
- // Variable without an inline location.
- if (DbgNode->getNumOperands() == 7)
- return true;
-
- return DbgNode->getNumOperands() == 8;
-}
-
-/// Verify - Verify that a variable descriptor is well formed.
-bool DIExpression::Verify() const {
- // Empty DIExpressions may be represented as a nullptr.
- if (!DbgNode)
- return true;
-
- return isExpression();
-}
-
-/// Verify - Verify that a location descriptor is well formed.
-bool DILocation::Verify() const {
- if (!DbgNode)
- return false;
-
- return DbgNode->getNumOperands() == 4;
-}
-
-/// Verify - Verify that a namespace descriptor is well formed.
-bool DINameSpace::Verify() const {
- if (!isNameSpace())
- return false;
- return DbgNode->getNumOperands() == 5;
-}
-
-/// \brief Retrieve the MDNode for the directory/file pair.
-MDNode *DIFile::getFileNode() const { return getNodeField(DbgNode, 1); }
-
-/// \brief Verify that the file descriptor is well formed.
-bool DIFile::Verify() const {
- return isFile() && DbgNode->getNumOperands() == 2;
-}
-
-/// \brief Verify that the enumerator descriptor is well formed.
-bool DIEnumerator::Verify() const {
- return isEnumerator() && DbgNode->getNumOperands() == 3;
-}
-
-/// \brief Verify that the subrange descriptor is well formed.
-bool DISubrange::Verify() const {
- return isSubrange() && DbgNode->getNumOperands() == 3;
-}
-
-/// \brief Verify that the lexical block descriptor is well formed.
-bool DILexicalBlock::Verify() const {
- return isLexicalBlock() && DbgNode->getNumOperands() == 6;
-}
-
-/// \brief Verify that the file-scoped lexical block descriptor is well formed.
-bool DILexicalBlockFile::Verify() const {
- return isLexicalBlockFile() && DbgNode->getNumOperands() == 4;
-}
-
-/// \brief Verify that the template type parameter descriptor is well formed.
-bool DITemplateTypeParameter::Verify() const {
- return isTemplateTypeParameter() && DbgNode->getNumOperands() == 7;
-}
-
-/// \brief Verify that the template value parameter descriptor is well formed.
-bool DITemplateValueParameter::Verify() const {
- return isTemplateValueParameter() && DbgNode->getNumOperands() == 8;
-}
+DIScopeRef DIScope::getRef() const { return MDScopeRef::get(get()); }
-/// \brief Verify that the imported module descriptor is well formed.
-bool DIImportedEntity::Verify() const {
- return isImportedEntity() &&
- (DbgNode->getNumOperands() == 4 || DbgNode->getNumOperands() == 5);
-}
-
-/// getObjCProperty - Return property node, if this ivar is associated with one.
-MDNode *DIDerivedType::getObjCProperty() const {
- return getNodeField(DbgNode, 10);
-}
-
-MDString *DICompositeType::getIdentifier() const {
- return cast_or_null<MDString>(getField(DbgNode, 14));
-}
-
-#ifndef NDEBUG
-static void VerifySubsetOf(const MDNode *LHS, const MDNode *RHS) {
- for (unsigned i = 0; i != LHS->getNumOperands(); ++i) {
- // Skip the 'empty' list (that's a single i32 0, rather than truly empty).
- if (i == 0 && isa<ConstantInt>(LHS->getOperand(i)))
- continue;
- const MDNode *E = cast<MDNode>(LHS->getOperand(i));
- bool found = false;
- for (unsigned j = 0; !found && j != RHS->getNumOperands(); ++j)
- found = E == RHS->getOperand(j);
- assert(found && "Losing a member during member list replacement");
- }
-}
-#endif
-
-/// \brief Set the array of member DITypes.
-void DICompositeType::setArraysHelper(MDNode *Elements, MDNode *TParams) {
- TrackingVH<MDNode> N(*this);
- if (Elements) {
-#ifndef NDEBUG
- // Check that the new list of members contains all the old members as well.
- if (const MDNode *El = cast_or_null<MDNode>(N->getOperand(10)))
- VerifySubsetOf(El, Elements);
-#endif
- N->replaceOperandWith(10, Elements);
- }
- if (TParams)
- N->replaceOperandWith(13, TParams);
- DbgNode = N;
-}
-
-/// Generate a reference to this DIType. Uses the type identifier instead
-/// of the actual MDNode if possible, to help type uniquing.
-DIScopeRef DIScope::getRef() const {
- if (!isCompositeType())
- return DIScopeRef(*this);
- DICompositeType DTy(DbgNode);
- if (!DTy.getIdentifier())
- return DIScopeRef(*this);
- return DIScopeRef(DTy.getIdentifier());
-}
-
-/// \brief Set the containing type.
-void DICompositeType::setContainingType(DICompositeType ContainingType) {
- TrackingVH<MDNode> N(*this);
- N->replaceOperandWith(12, ContainingType.getRef());
- DbgNode = N;
-}
-
-/// isInlinedFnArgument - Return true if this variable provides debugging
-/// information for an inlined function arguments.
bool DIVariable::isInlinedFnArgument(const Function *CurFn) {
assert(CurFn && "Invalid function");
- if (!getContext().isSubprogram())
+ DISubprogram SP = dyn_cast<MDSubprogram>(getContext());
+ if (!SP)
return false;
// This variable is not inlined function argument if its scope
// does not describe current function.
- return !DISubprogram(getContext()).describes(CurFn);
+ return !SP.describes(CurFn);
+}
+
+Function *DISubprogram::getFunction() const {
+ if (auto *N = get())
+ if (auto *C = dyn_cast_or_null<ConstantAsMetadata>(N->getFunction()))
+ return dyn_cast<Function>(C->getValue());
+ return nullptr;
}
-/// describes - Return true if this subprogram provides debugging
-/// information for the function F.
bool DISubprogram::describes(const Function *F) {
assert(F && "Invalid function");
if (F == getFunction())
return false;
}
-unsigned DISubprogram::isOptimized() const {
- assert(DbgNode && "Invalid subprogram descriptor!");
- if (DbgNode->getNumOperands() == 15)
- return getUnsignedField(14);
- return 0;
-}
-
-MDNode *DISubprogram::getVariablesNodes() const {
- return getNodeField(DbgNode, 18);
-}
-
-DIArray DISubprogram::getVariables() const {
- return DIArray(getNodeField(DbgNode, 18));
+GlobalVariable *DIGlobalVariable::getGlobal() const {
+ return dyn_cast_or_null<GlobalVariable>(getConstant());
}
-Value *DITemplateValueParameter::getValue() const {
- return getField(DbgNode, 4);
-}
-
-// If the current node has a parent scope then return that,
-// else return an empty scope.
DIScopeRef DIScope::getContext() const {
+ if (DIType T = dyn_cast<MDType>(*this))
+ return T.getContext();
- if (isType())
- return DIType(DbgNode).getContext();
-
- if (isSubprogram())
- return DIScopeRef(DISubprogram(DbgNode).getContext());
+ if (DISubprogram SP = dyn_cast<MDSubprogram>(*this))
+ return MDScopeRef(SP.getContext());
- if (isLexicalBlock())
- return DIScopeRef(DILexicalBlock(DbgNode).getContext());
+ if (DILexicalBlock LB = dyn_cast<MDLexicalBlockBase>(*this))
+ return MDScopeRef(LB.getContext());
- if (isLexicalBlockFile())
- return DIScopeRef(DILexicalBlockFile(DbgNode).getContext());
+ if (DINameSpace NS = dyn_cast<MDNamespace>(*this))
+ return MDScopeRef(NS.getContext());
- if (isNameSpace())
- return DIScopeRef(DINameSpace(DbgNode).getContext());
-
- assert((isFile() || isCompileUnit()) && "Unhandled type of scope.");
- return DIScopeRef(nullptr);
+ assert((isa<MDFile>(*this) || isa<MDCompileUnit>(*this)) &&
+ "Unhandled type of scope.");
+ return MDScopeRef();
}
-// If the scope node has a name, return that, else return an empty string.
StringRef DIScope::getName() const {
- if (isType())
- return DIType(DbgNode).getName();
- if (isSubprogram())
- return DISubprogram(DbgNode).getName();
- if (isNameSpace())
- return DINameSpace(DbgNode).getName();
- assert((isLexicalBlock() || isLexicalBlockFile() || isFile() ||
- isCompileUnit()) &&
+ if (DIType T = dyn_cast<MDType>(*this))
+ return T.getName();
+ if (DISubprogram SP = dyn_cast<MDSubprogram>(*this))
+ return SP.getName();
+ if (DINameSpace NS = dyn_cast<MDNamespace>(*this))
+ return NS.getName();
+ assert((isa<MDLexicalBlockBase>(*this) || isa<MDFile>(*this) ||
+ isa<MDCompileUnit>(*this)) &&
"Unhandled type of scope.");
return StringRef();
}
StringRef DIScope::getFilename() const {
- if (!DbgNode)
- return StringRef();
- return ::getStringField(getNodeField(DbgNode, 1), 0);
+ if (auto *N = get())
+ if (auto *F = N->getFile())
+ return F->getFilename();
+ return "";
}
StringRef DIScope::getDirectory() const {
- if (!DbgNode)
- return StringRef();
- return ::getStringField(getNodeField(DbgNode, 1), 1);
-}
-
-DIArray DICompileUnit::getEnumTypes() const {
- if (!DbgNode || DbgNode->getNumOperands() < 13)
- return DIArray();
-
- return DIArray(getNodeField(DbgNode, 7));
+ if (auto *N = get())
+ if (auto *F = N->getFile())
+ return F->getDirectory();
+ return "";
}
-DIArray DICompileUnit::getRetainedTypes() const {
- if (!DbgNode || DbgNode->getNumOperands() < 13)
- return DIArray();
-
- return DIArray(getNodeField(DbgNode, 8));
-}
-
-DIArray DICompileUnit::getSubprograms() const {
- if (!DbgNode || DbgNode->getNumOperands() < 13)
- return DIArray();
-
- return DIArray(getNodeField(DbgNode, 9));
+void DICompileUnit::replaceSubprograms(DIArray Subprograms) {
+ get()->replaceSubprograms(MDSubprogramArray(Subprograms));
}
-DIArray DICompileUnit::getGlobalVariables() const {
- if (!DbgNode || DbgNode->getNumOperands() < 13)
- return DIArray();
-
- return DIArray(getNodeField(DbgNode, 10));
+void DICompileUnit::replaceGlobalVariables(DIArray GlobalVariables) {
+ get()->replaceGlobalVariables(MDGlobalVariableArray(GlobalVariables));
}
-DIArray DICompileUnit::getImportedEntities() const {
- if (!DbgNode || DbgNode->getNumOperands() < 13)
- return DIArray();
-
- return DIArray(getNodeField(DbgNode, 11));
-}
-
-/// copyWithNewScope - Return a copy of this location, replacing the
-/// current scope with the given one.
DILocation DILocation::copyWithNewScope(LLVMContext &Ctx,
DILexicalBlockFile NewScope) {
- SmallVector<Value *, 10> Elts;
- assert(Verify());
- for (unsigned I = 0; I < DbgNode->getNumOperands(); ++I) {
- if (I != 2)
- Elts.push_back(DbgNode->getOperand(I));
- else
- Elts.push_back(NewScope);
- }
- MDNode *NewDIL = MDNode::get(Ctx, Elts);
- return DILocation(NewDIL);
+ assert(NewScope && "Expected valid scope");
+
+ const auto *Old = cast<MDLocation>(DbgNode);
+ return DILocation(MDLocation::get(Ctx, Old->getLine(), Old->getColumn(),
+ NewScope, Old->getInlinedAt()));
}
-/// computeNewDiscriminator - Generate a new discriminator value for this
-/// file and line location.
unsigned DILocation::computeNewDiscriminator(LLVMContext &Ctx) {
std::pair<const char *, unsigned> Key(getFilename().data(), getLineNumber());
return ++Ctx.pImpl->DiscriminatorTable[Key];
}
-/// fixupSubprogramName - Replace contains special characters used
-/// in a typical Objective-C names with '.' in a given string.
-static void fixupSubprogramName(DISubprogram Fn, SmallVectorImpl<char> &Out) {
- StringRef FName =
- Fn.getFunction() ? Fn.getFunction()->getName() : Fn.getName();
- FName = Function::getRealLinkageName(FName);
-
- StringRef Prefix("llvm.dbg.lv.");
- Out.reserve(FName.size() + Prefix.size());
- Out.append(Prefix.begin(), Prefix.end());
-
- bool isObjCLike = false;
- for (size_t i = 0, e = FName.size(); i < e; ++i) {
- char C = FName[i];
- if (C == '[')
- isObjCLike = true;
-
- if (isObjCLike && (C == '[' || C == ']' || C == ' ' || C == ':' ||
- C == '+' || C == '(' || C == ')'))
- Out.push_back('.');
- else
- Out.push_back(C);
- }
-}
-
-/// getFnSpecificMDNode - Return a NameMDNode, if available, that is
-/// suitable to hold function specific information.
-NamedMDNode *llvm::getFnSpecificMDNode(const Module &M, DISubprogram Fn) {
- SmallString<32> Name;
- fixupSubprogramName(Fn, Name);
- return M.getNamedMetadata(Name.str());
-}
-
-/// getOrInsertFnSpecificMDNode - Return a NameMDNode that is suitable
-/// to hold function specific information.
-NamedMDNode *llvm::getOrInsertFnSpecificMDNode(Module &M, DISubprogram Fn) {
- SmallString<32> Name;
- fixupSubprogramName(Fn, Name);
- return M.getOrInsertNamedMetadata(Name.str());
-}
-
-/// createInlinedVariable - Create a new inlined variable based on current
-/// variable.
-/// @param DV Current Variable.
-/// @param InlinedScope Location at current variable is inlined.
DIVariable llvm::createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
LLVMContext &VMContext) {
- SmallVector<Value *, 16> Elts;
- // Insert inlined scope as 7th element.
- for (unsigned i = 0, e = DV->getNumOperands(); i != e; ++i)
- i == 7 ? Elts.push_back(InlinedScope) : Elts.push_back(DV->getOperand(i));
- return DIVariable(MDNode::get(VMContext, Elts));
+ return cast<MDLocalVariable>(DV)
+ ->withInline(cast_or_null<MDLocation>(InlinedScope));
}
-/// cleanseInlinedVariable - Remove inlined scope from the variable.
DIVariable llvm::cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext) {
- SmallVector<Value *, 16> Elts;
- // Insert inlined scope as 7th element.
- for (unsigned i = 0, e = DV->getNumOperands(); i != e; ++i)
- i == 7 ? Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext)))
- : Elts.push_back(DV->getOperand(i));
- return DIVariable(MDNode::get(VMContext, Elts));
+ return cast<MDLocalVariable>(DV)->withoutInline();
}
-/// getDISubprogram - Find subprogram that is enclosing this scope.
DISubprogram llvm::getDISubprogram(const MDNode *Scope) {
- DIDescriptor D(Scope);
- if (D.isSubprogram())
- return DISubprogram(Scope);
-
- if (D.isLexicalBlockFile())
- return getDISubprogram(DILexicalBlockFile(Scope).getContext());
+ if (auto *LocalScope = dyn_cast_or_null<MDLocalScope>(Scope))
+ return LocalScope->getSubprogram();
+ return nullptr;
+}
- if (D.isLexicalBlock())
- return getDISubprogram(DILexicalBlock(Scope).getContext());
+DISubprogram llvm::getDISubprogram(const Function *F) {
+ // We look for the first instr that has a debug annotation leading back to F.
+ for (auto &BB : *F) {
+ auto Inst = std::find_if(BB.begin(), BB.end(), [](const Instruction &Inst) {
+ return Inst.getDebugLoc();
+ });
+ if (Inst == BB.end())
+ continue;
+ DebugLoc DLoc = Inst->getDebugLoc();
+ const MDNode *Scope = DLoc.getInlinedAtScope();
+ DISubprogram Subprogram = getDISubprogram(Scope);
+ return Subprogram.describes(F) ? Subprogram : DISubprogram();
+ }
return DISubprogram();
}
-/// getDICompositeType - Find underlying composite type.
DICompositeType llvm::getDICompositeType(DIType T) {
- if (T.isCompositeType())
- return DICompositeType(T);
+ if (auto *C = dyn_cast_or_null<MDCompositeTypeBase>(T))
+ return C;
- if (T.isDerivedType()) {
+ if (auto *D = dyn_cast_or_null<MDDerivedTypeBase>(T)) {
// This function is currently used by dragonegg and dragonegg does
// not generate identifier for types, so using an empty map to resolve
// DerivedFrom should be fine.
DITypeIdentifierMap EmptyMap;
return getDICompositeType(
- DIDerivedType(T).getTypeDerivedFrom().resolve(EmptyMap));
+ DIDerivedType(D).getTypeDerivedFrom().resolve(EmptyMap));
}
- return DICompositeType();
+ return nullptr;
}
-/// Update DITypeIdentifierMap by going through retained types of each CU.
DITypeIdentifierMap
llvm::generateDITypeIdentifierMap(const NamedMDNode *CU_Nodes) {
DITypeIdentifierMap Map;
for (unsigned CUi = 0, CUe = CU_Nodes->getNumOperands(); CUi != CUe; ++CUi) {
- DICompileUnit CU(CU_Nodes->getOperand(CUi));
+ DICompileUnit CU = cast<MDCompileUnit>(CU_Nodes->getOperand(CUi));
DIArray Retain = CU.getRetainedTypes();
- for (unsigned Ti = 0, Te = Retain.getNumElements(); Ti != Te; ++Ti) {
- if (!Retain.getElement(Ti).isCompositeType())
+ for (unsigned Ti = 0, Te = Retain.size(); Ti != Te; ++Ti) {
+ if (!isa<MDCompositeType>(Retain[Ti]))
continue;
- DICompositeType Ty(Retain.getElement(Ti));
+ DICompositeType Ty = cast<MDCompositeType>(Retain[Ti]);
if (MDString *TypeId = Ty.getIdentifier()) {
// Definition has priority over declaration.
// Try to insert (TypeId, Ty) to Map.
}
}
-/// processModule - Process entire module and collect debug info.
void DebugInfoFinder::processModule(const Module &M) {
InitializeTypeMap(M);
if (NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu")) {
for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
- DICompileUnit CU(CU_Nodes->getOperand(i));
+ DICompileUnit CU = cast<MDCompileUnit>(CU_Nodes->getOperand(i));
addCompileUnit(CU);
- DIArray GVs = CU.getGlobalVariables();
- for (unsigned i = 0, e = GVs.getNumElements(); i != e; ++i) {
- DIGlobalVariable DIG(GVs.getElement(i));
+ for (DIGlobalVariable DIG : CU->getGlobalVariables()) {
if (addGlobalVariable(DIG)) {
processScope(DIG.getContext());
processType(DIG.getType().resolve(TypeIdentifierMap));
}
}
- DIArray SPs = CU.getSubprograms();
- for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i)
- processSubprogram(DISubprogram(SPs.getElement(i)));
- DIArray EnumTypes = CU.getEnumTypes();
- for (unsigned i = 0, e = EnumTypes.getNumElements(); i != e; ++i)
- processType(DIType(EnumTypes.getElement(i)));
- DIArray RetainedTypes = CU.getRetainedTypes();
- for (unsigned i = 0, e = RetainedTypes.getNumElements(); i != e; ++i)
- processType(DIType(RetainedTypes.getElement(i)));
- DIArray Imports = CU.getImportedEntities();
- for (unsigned i = 0, e = Imports.getNumElements(); i != e; ++i) {
- DIImportedEntity Import = DIImportedEntity(Imports.getElement(i));
+ for (auto *SP : CU->getSubprograms())
+ processSubprogram(SP);
+ for (auto *ET : CU->getEnumTypes())
+ processType(ET);
+ for (auto *RT : CU->getRetainedTypes())
+ processType(RT);
+ for (DIImportedEntity Import : CU->getImportedEntities()) {
DIDescriptor Entity = Import.getEntity().resolve(TypeIdentifierMap);
- if (Entity.isType())
- processType(DIType(Entity));
- else if (Entity.isSubprogram())
- processSubprogram(DISubprogram(Entity));
- else if (Entity.isNameSpace())
- processScope(DINameSpace(Entity).getContext());
+ if (auto *T = dyn_cast<MDType>(Entity))
+ processType(T);
+ else if (auto *SP = dyn_cast<MDSubprogram>(Entity))
+ processSubprogram(SP);
+ else if (auto *NS = dyn_cast<MDNamespace>(Entity))
+ processScope(NS->getScope());
}
}
}
}
-/// processLocation - Process DILocation.
void DebugInfoFinder::processLocation(const Module &M, DILocation Loc) {
if (!Loc)
return;
processLocation(M, Loc.getOrigLocation());
}
-/// processType - Process DIType.
void DebugInfoFinder::processType(DIType DT) {
if (!addType(DT))
return;
processScope(DT.getContext().resolve(TypeIdentifierMap));
- if (DT.isCompositeType()) {
- DICompositeType DCT(DT);
+ if (DICompositeType DCT = dyn_cast<MDCompositeTypeBase>(DT)) {
processType(DCT.getTypeDerivedFrom().resolve(TypeIdentifierMap));
- if (DT.isSubroutineType()) {
- DITypeArray DTA = DISubroutineType(DT).getTypeArray();
- for (unsigned i = 0, e = DTA.getNumElements(); i != e; ++i)
- processType(DTA.getElement(i).resolve(TypeIdentifierMap));
+ if (DISubroutineType ST = dyn_cast<MDSubroutineType>(DCT)) {
+ for (MDTypeRef Ref : ST->getTypeArray())
+ processType(Ref.resolve(TypeIdentifierMap));
return;
}
- DIArray DA = DCT.getElements();
- for (unsigned i = 0, e = DA.getNumElements(); i != e; ++i) {
- DIDescriptor D = DA.getElement(i);
- if (D.isType())
- processType(DIType(D));
- else if (D.isSubprogram())
- processSubprogram(DISubprogram(D));
+ for (Metadata *D : DCT->getElements()->operands()) {
+ if (DIType T = dyn_cast<MDType>(D))
+ processType(T);
+ else if (DISubprogram SP = dyn_cast<MDSubprogram>(D))
+ processSubprogram(SP);
}
- } else if (DT.isDerivedType()) {
- DIDerivedType DDT(DT);
+ } else if (DIDerivedType DDT = dyn_cast<MDDerivedTypeBase>(DT)) {
processType(DDT.getTypeDerivedFrom().resolve(TypeIdentifierMap));
}
}
void DebugInfoFinder::processScope(DIScope Scope) {
- if (Scope.isType()) {
- DIType Ty(Scope);
+ if (!Scope)
+ return;
+ if (DIType Ty = dyn_cast<MDType>(Scope)) {
processType(Ty);
return;
}
- if (Scope.isCompileUnit()) {
- addCompileUnit(DICompileUnit(Scope));
+ if (DICompileUnit CU = dyn_cast<MDCompileUnit>(Scope)) {
+ addCompileUnit(CU);
return;
}
- if (Scope.isSubprogram()) {
- processSubprogram(DISubprogram(Scope));
+ if (DISubprogram SP = dyn_cast<MDSubprogram>(Scope)) {
+ processSubprogram(SP);
return;
}
if (!addScope(Scope))
return;
- if (Scope.isLexicalBlock()) {
- DILexicalBlock LB(Scope);
+ if (DILexicalBlock LB = dyn_cast<MDLexicalBlockBase>(Scope)) {
processScope(LB.getContext());
- } else if (Scope.isLexicalBlockFile()) {
- DILexicalBlockFile LBF = DILexicalBlockFile(Scope);
- processScope(LBF.getScope());
- } else if (Scope.isNameSpace()) {
- DINameSpace NS(Scope);
+ } else if (DINameSpace NS = dyn_cast<MDNamespace>(Scope)) {
processScope(NS.getContext());
}
}
-/// processSubprogram - Process DISubprogram.
void DebugInfoFinder::processSubprogram(DISubprogram SP) {
if (!addSubprogram(SP))
return;
processScope(SP.getContext().resolve(TypeIdentifierMap));
processType(SP.getType());
- DIArray TParams = SP.getTemplateParams();
- for (unsigned I = 0, E = TParams.getNumElements(); I != E; ++I) {
- DIDescriptor Element = TParams.getElement(I);
- if (Element.isTemplateTypeParameter()) {
- DITemplateTypeParameter TType(Element);
- processScope(TType.getContext().resolve(TypeIdentifierMap));
+ for (auto *Element : SP.getTemplateParams()) {
+ if (DITemplateTypeParameter TType =
+ dyn_cast<MDTemplateTypeParameter>(Element)) {
processType(TType.getType().resolve(TypeIdentifierMap));
- } else if (Element.isTemplateValueParameter()) {
- DITemplateValueParameter TVal(Element);
- processScope(TVal.getContext().resolve(TypeIdentifierMap));
+ } else if (DITemplateValueParameter TVal =
+ dyn_cast<MDTemplateValueParameter>(Element)) {
processType(TVal.getType().resolve(TypeIdentifierMap));
}
}
}
-/// processDeclare - Process DbgDeclareInst.
void DebugInfoFinder::processDeclare(const Module &M,
const DbgDeclareInst *DDI) {
MDNode *N = dyn_cast<MDNode>(DDI->getVariable());
return;
InitializeTypeMap(M);
- DIDescriptor DV(N);
- if (!DV.isVariable())
+ DIVariable DV = dyn_cast<MDLocalVariable>(N);
+ if (!DV)
return;
- if (!NodesSeen.insert(DV))
+ if (!NodesSeen.insert(DV).second)
return;
- processScope(DIVariable(N).getContext());
- processType(DIVariable(N).getType().resolve(TypeIdentifierMap));
+ processScope(DV.getContext());
+ processType(DV.getType().resolve(TypeIdentifierMap));
}
void DebugInfoFinder::processValue(const Module &M, const DbgValueInst *DVI) {
return;
InitializeTypeMap(M);
- DIDescriptor DV(N);
- if (!DV.isVariable())
+ DIVariable DV = dyn_cast<MDLocalVariable>(N);
+ if (!DV)
return;
- if (!NodesSeen.insert(DV))
+ if (!NodesSeen.insert(DV).second)
return;
- processScope(DIVariable(N).getContext());
- processType(DIVariable(N).getType().resolve(TypeIdentifierMap));
+ processScope(DV.getContext());
+ processType(DV.getType().resolve(TypeIdentifierMap));
}
-/// addType - Add type into Tys.
bool DebugInfoFinder::addType(DIType DT) {
if (!DT)
return false;
- if (!NodesSeen.insert(DT))
+ if (!NodesSeen.insert(DT).second)
return false;
TYs.push_back(DT);
return true;
}
-/// addCompileUnit - Add compile unit into CUs.
bool DebugInfoFinder::addCompileUnit(DICompileUnit CU) {
if (!CU)
return false;
- if (!NodesSeen.insert(CU))
+ if (!NodesSeen.insert(CU).second)
return false;
CUs.push_back(CU);
return true;
}
-/// addGlobalVariable - Add global variable into GVs.
bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable DIG) {
if (!DIG)
return false;
- if (!NodesSeen.insert(DIG))
+ if (!NodesSeen.insert(DIG).second)
return false;
GVs.push_back(DIG);
return true;
}
-// addSubprogram - Add subprgoram into SPs.
bool DebugInfoFinder::addSubprogram(DISubprogram SP) {
if (!SP)
return false;
- if (!NodesSeen.insert(SP))
+ if (!NodesSeen.insert(SP).second)
return false;
SPs.push_back(SP);
// as null for now.
if (Scope->getNumOperands() == 0)
return false;
- if (!NodesSeen.insert(Scope))
+ if (!NodesSeen.insert(Scope).second)
return false;
Scopes.push_back(Scope);
return true;
// DIDescriptor: dump routines for all descriptors.
//===----------------------------------------------------------------------===//
-/// dump - Print descriptor to dbgs() with a newline.
void DIDescriptor::dump() const {
print(dbgs());
dbgs() << '\n';
}
-/// print - Print descriptor.
void DIDescriptor::print(raw_ostream &OS) const {
- if (!DbgNode)
+ if (!get())
return;
-
- if (const char *Tag = dwarf::TagString(getTag()))
- OS << "[ " << Tag << " ]";
-
- if (this->isSubrange()) {
- DISubrange(DbgNode).printInternal(OS);
- } else if (this->isCompileUnit()) {
- DICompileUnit(DbgNode).printInternal(OS);
- } else if (this->isFile()) {
- DIFile(DbgNode).printInternal(OS);
- } else if (this->isEnumerator()) {
- DIEnumerator(DbgNode).printInternal(OS);
- } else if (this->isBasicType()) {
- DIType(DbgNode).printInternal(OS);
- } else if (this->isDerivedType()) {
- DIDerivedType(DbgNode).printInternal(OS);
- } else if (this->isCompositeType()) {
- DICompositeType(DbgNode).printInternal(OS);
- } else if (this->isSubprogram()) {
- DISubprogram(DbgNode).printInternal(OS);
- } else if (this->isGlobalVariable()) {
- DIGlobalVariable(DbgNode).printInternal(OS);
- } else if (this->isVariable()) {
- DIVariable(DbgNode).printInternal(OS);
- } else if (this->isObjCProperty()) {
- DIObjCProperty(DbgNode).printInternal(OS);
- } else if (this->isNameSpace()) {
- DINameSpace(DbgNode).printInternal(OS);
- } else if (this->isScope()) {
- DIScope(DbgNode).printInternal(OS);
- } else if (this->isExpression()) {
- DIExpression(DbgNode).printInternal(OS);
- }
-}
-
-void DISubrange::printInternal(raw_ostream &OS) const {
- int64_t Count = getCount();
- if (Count != -1)
- OS << " [" << getLo() << ", " << Count - 1 << ']';
- else
- OS << " [unbounded]";
-}
-
-void DIScope::printInternal(raw_ostream &OS) const {
- OS << " [" << getDirectory() << "/" << getFilename() << ']';
-}
-
-void DICompileUnit::printInternal(raw_ostream &OS) const {
- DIScope::printInternal(OS);
- OS << " [";
- unsigned Lang = getLanguage();
- if (const char *LangStr = dwarf::LanguageString(Lang))
- OS << LangStr;
- else
- (OS << "lang 0x").write_hex(Lang);
- OS << ']';
+ get()->print(OS);
}
-void DIEnumerator::printInternal(raw_ostream &OS) const {
- OS << " [" << getName() << " :: " << getEnumValue() << ']';
-}
-
-void DIType::printInternal(raw_ostream &OS) const {
- if (!DbgNode)
+static void printDebugLoc(DebugLoc DL, raw_ostream &CommentOS,
+ const LLVMContext &Ctx) {
+ if (!DL)
return;
- StringRef Res = getName();
- if (!Res.empty())
- OS << " [" << Res << "]";
-
- // TODO: Print context?
-
- OS << " [line " << getLineNumber() << ", size " << getSizeInBits()
- << ", align " << getAlignInBits() << ", offset " << getOffsetInBits();
- if (isBasicType())
- if (const char *Enc =
- dwarf::AttributeEncodingString(DIBasicType(DbgNode).getEncoding()))
- OS << ", enc " << Enc;
- OS << "]";
-
- if (isPrivate())
- OS << " [private]";
- else if (isProtected())
- OS << " [protected]";
- else if (isPublic())
- OS << " [public]";
-
- if (isArtificial())
- OS << " [artificial]";
-
- if (isForwardDecl())
- OS << " [decl]";
- else if (getTag() == dwarf::DW_TAG_structure_type ||
- getTag() == dwarf::DW_TAG_union_type ||
- getTag() == dwarf::DW_TAG_enumeration_type ||
- getTag() == dwarf::DW_TAG_class_type)
- OS << " [def]";
- if (isVector())
- OS << " [vector]";
- if (isStaticMember())
- OS << " [static]";
-
- if (isLValueReference())
- OS << " [reference]";
-
- if (isRValueReference())
- OS << " [rvalue reference]";
-}
-
-void DIDerivedType::printInternal(raw_ostream &OS) const {
- DIType::printInternal(OS);
- OS << " [from " << getTypeDerivedFrom().getName() << ']';
-}
-
-void DICompositeType::printInternal(raw_ostream &OS) const {
- DIType::printInternal(OS);
- DIArray A = getElements();
- OS << " [" << A.getNumElements() << " elements]";
-}
-
-void DINameSpace::printInternal(raw_ostream &OS) const {
- StringRef Name = getName();
- if (!Name.empty())
- OS << " [" << Name << ']';
-
- OS << " [line " << getLineNumber() << ']';
-}
-
-void DISubprogram::printInternal(raw_ostream &OS) const {
- // TODO : Print context
- OS << " [line " << getLineNumber() << ']';
-
- if (isLocalToUnit())
- OS << " [local]";
-
- if (isDefinition())
- OS << " [def]";
-
- if (getScopeLineNumber() != getLineNumber())
- OS << " [scope " << getScopeLineNumber() << "]";
-
- if (isPrivate())
- OS << " [private]";
- else if (isProtected())
- OS << " [protected]";
- else if (isPublic())
- OS << " [public]";
-
- if (isLValueReference())
- OS << " [reference]";
-
- if (isRValueReference())
- OS << " [rvalue reference]";
-
- StringRef Res = getName();
- if (!Res.empty())
- OS << " [" << Res << ']';
-}
-
-void DIGlobalVariable::printInternal(raw_ostream &OS) const {
- StringRef Res = getName();
- if (!Res.empty())
- OS << " [" << Res << ']';
-
- OS << " [line " << getLineNumber() << ']';
-
- // TODO : Print context
-
- if (isLocalToUnit())
- OS << " [local]";
-
- if (isDefinition())
- OS << " [def]";
-}
-
-void DIVariable::printInternal(raw_ostream &OS) const {
- StringRef Res = getName();
- if (!Res.empty())
- OS << " [" << Res << ']';
-
- OS << " [line " << getLineNumber() << ']';
-}
-
-void DIExpression::printInternal(raw_ostream &OS) const {
- for (unsigned I = 0; I < getNumElements(); ++I) {
- uint64_t OpCode = getElement(I);
- OS << " [" << OperationEncodingString(OpCode);
- switch (OpCode) {
- case DW_OP_plus: {
- OS << " " << getElement(++I);
- break;
- }
- case DW_OP_piece: {
- unsigned Offset = getElement(++I);
- unsigned Size = getElement(++I);
- OS << " offset=" << Offset << ", size=" << Size;
- break;
- }
- default:
- // Else bail out early. This may be a line table entry.
- OS << "Unknown]";
- return;
- }
- OS << "]";
- }
-}
+ DIScope Scope = cast<MDScope>(DL.getScope());
+ // Omit the directory, because it's likely to be long and uninteresting.
+ CommentOS << Scope.getFilename();
+ CommentOS << ':' << DL.getLine();
+ if (DL.getCol() != 0)
+ CommentOS << ':' << DL.getCol();
-void DIObjCProperty::printInternal(raw_ostream &OS) const {
- StringRef Name = getObjCPropertyName();
- if (!Name.empty())
- OS << " [" << Name << ']';
+ DebugLoc InlinedAtDL = DL.getInlinedAt();
+ if (!InlinedAtDL)
+ return;
- OS << " [line " << getLineNumber() << ", properties " << getUnsignedField(6)
- << ']';
-}
-
-static void printDebugLoc(DebugLoc DL, raw_ostream &CommentOS,
- const LLVMContext &Ctx) {
- if (!DL.isUnknown()) { // Print source line info.
- DIScope Scope(DL.getScope(Ctx));
- assert(Scope.isScope() && "Scope of a DebugLoc should be a DIScope.");
- // Omit the directory, because it's likely to be long and uninteresting.
- CommentOS << Scope.getFilename();
- CommentOS << ':' << DL.getLine();
- if (DL.getCol() != 0)
- CommentOS << ':' << DL.getCol();
- DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(DL.getInlinedAt(Ctx));
- if (!InlinedAtDL.isUnknown()) {
- CommentOS << " @[ ";
- printDebugLoc(InlinedAtDL, CommentOS, Ctx);
- CommentOS << " ]";
- }
- }
+ CommentOS << " @[ ";
+ printDebugLoc(InlinedAtDL, CommentOS, Ctx);
+ CommentOS << " ]";
}
void DIVariable::printExtendedName(raw_ostream &OS) const {
StringRef Res = getName();
if (!Res.empty())
OS << Res << "," << getLineNumber();
- if (MDNode *InlinedAt = getInlinedAt()) {
- DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(InlinedAt);
- if (!InlinedAtDL.isUnknown()) {
+ if (auto *InlinedAt = get()->getInlinedAt()) {
+ if (DebugLoc InlinedAtDL = InlinedAt) {
OS << " @[";
printDebugLoc(InlinedAtDL, OS, Ctx);
OS << "]";
}
}
-/// Specialize constructor to make sure it has the correct type.
-template <> DIRef<DIScope>::DIRef(const Value *V) : Val(V) {
- assert(isScopeRef(V) && "DIScopeRef should be a MDString or MDNode");
+template <>
+DIDescriptor
+DIRef<DIDescriptor>::resolve(const DITypeIdentifierMap &Map) const {
+ return DIDescriptor(DebugNodeRef(Val).resolve(Map));
}
-template <> DIRef<DIType>::DIRef(const Value *V) : Val(V) {
- assert(isTypeRef(V) && "DITypeRef should be a MDString or MDNode");
+template <>
+DIScope DIRef<DIScope>::resolve(const DITypeIdentifierMap &Map) const {
+ return MDScopeRef(Val).resolve(Map);
}
-
-/// Specialize getFieldAs to handle fields that are references to DIScopes.
template <>
-DIScopeRef DIDescriptor::getFieldAs<DIScopeRef>(unsigned Elt) const {
- return DIScopeRef(getField(DbgNode, Elt));
+DIType DIRef<DIType>::resolve(const DITypeIdentifierMap &Map) const {
+ return MDTypeRef(Val).resolve(Map);
}
-/// Specialize getFieldAs to handle fields that are references to DITypes.
-template <> DITypeRef DIDescriptor::getFieldAs<DITypeRef>(unsigned Elt) const {
- return DITypeRef(getField(DbgNode, Elt));
+
+bool llvm::stripDebugInfo(Function &F) {
+ bool Changed = false;
+ for (BasicBlock &BB : F) {
+ for (Instruction &I : BB) {
+ if (I.getDebugLoc()) {
+ Changed = true;
+ I.setDebugLoc(DebugLoc());
+ }
+ }
+ }
+ return Changed;
}
-/// Strip debug info in the module if it exists.
-/// To do this, we remove all calls to the debugger intrinsics and any named
-/// metadata for debugging. We also remove debug locations for instructions.
-/// Return true if module is modified.
bool llvm::StripDebugInfo(Module &M) {
-
bool Changed = false;
// Remove all of the calls to the debugger intrinsics, and remove them from
}
}
- for (Module::iterator MI = M.begin(), ME = M.end(); MI != ME; ++MI)
- for (Function::iterator FI = MI->begin(), FE = MI->end(); FI != FE;
- ++FI)
- for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE;
- ++BI) {
- if (!BI->getDebugLoc().isUnknown()) {
- Changed = true;
- BI->setDebugLoc(DebugLoc());
- }
- }
+ for (Function &F : M)
+ Changed |= stripDebugInfo(F);
+
+ if (GVMaterializer *Materializer = M.getMaterializer())
+ Materializer->setStripDebugInfo();
return Changed;
}
-/// Return Debug Info Metadata Version by checking module flags.
unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
- Value *Val = M.getModuleFlag("Debug Info Version");
- if (!Val)
- return 0;
- return cast<ConstantInt>(Val)->getZExtValue();
+ if (auto *Val = mdconst::dyn_extract_or_null<ConstantInt>(
+ M.getModuleFlag("Debug Info Version")))
+ return Val->getZExtValue();
+ return 0;
}
llvm::DenseMap<const llvm::Function *, llvm::DISubprogram>
return R;
for (MDNode *N : CU_Nodes->operands()) {
- DICompileUnit CUNode(N);
- DIArray SPs = CUNode.getSubprograms();
- for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
- DISubprogram SP(SPs.getElement(i));
+ DICompileUnit CUNode = cast<MDCompileUnit>(N);
+ for (DISubprogram SP : CUNode->getSubprograms()) {
if (Function *F = SP.getFunction())
R.insert(std::make_pair(F, SP));
}
projects / oota-llvm.git / blobdiff