#include "llvm/Analysis/ValueTracking.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/raw_ostream.h"
}
unsigned DIVariable::getNumAddrElements() const {
- return DbgNode->getNumOperands()-6;
+ if (getVersion() <= llvm::LLVMDebugVersion8)
+ return DbgNode->getNumOperands()-6;
+ return DbgNode->getNumOperands()-7;
}
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.
/// isGlobalVariable - Return true if the specified tag is legal for
/// DIGlobalVariable.
bool DIDescriptor::isGlobalVariable() const {
- return DbgNode && getTag() == dwarf::DW_TAG_variable;
+ return DbgNode && (getTag() == dwarf::DW_TAG_variable ||
+ getTag() == dwarf::DW_TAG_constant);
}
/// isGlobal - Return true if the specified tag is legal for DIGlobal.
return isGlobalVariable();
}
+/// isUnspecifiedParmeter - Return true if the specified tab is
+/// DW_TAG_unspecified_parameters.
+bool DIDescriptor::isUnspecifiedParameter() const {
+ return DbgNode && getTag() == dwarf::DW_TAG_unspecified_parameters;
+}
+
/// isScope - Return true if the specified tag is one of the scope
/// related tag.
bool DIDescriptor::isScope() const {
/// replaceAllUsesWith - Replace all uses of debug info referenced by
/// this descriptor.
-void DIDerivedType::replaceAllUsesWith(DIDescriptor &D) {
+void DIType::replaceAllUsesWith(DIDescriptor &D) {
if (!DbgNode)
return;
const MDNode *DN = D;
const Value *V = cast_or_null<Value>(DN);
Node->replaceAllUsesWith(const_cast<Value*>(V));
+ MDNode::deleteTemporary(Node);
}
}
return false;
if (!getContext().Verify())
return false;
-
- DICompileUnit CU = getCompileUnit();
- if (!CU.Verify())
+ unsigned 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_restrict_type && getFilename().empty())
return false;
return true;
}
+/// Verify - Verify that a basic type descriptor is well formed.
+bool DIBasicType::Verify() const {
+ return isBasicType();
+}
+
+/// Verify - Verify that a derived type descriptor is well formed.
+bool DIDerivedType::Verify() const {
+ return isDerivedType();
+}
+
/// Verify - Verify that a composite type descriptor is well formed.
bool DICompositeType::Verify() const {
if (!DbgNode)
/// GetOrCreateArray - Create an descriptor for an array of descriptors.
/// This implicitly uniques the arrays created.
DIArray DIFactory::GetOrCreateArray(DIDescriptor *Tys, unsigned NumTys) {
- SmallVector<Value*, 16> Elts;
-
- if (NumTys == 0)
- Elts.push_back(llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)));
- else
- for (unsigned i = 0; i != NumTys; ++i)
- Elts.push_back(Tys[i]);
+ if (NumTys == 0) {
+ Value *Null = llvm::Constant::getNullValue(Type::getInt32Ty(VMContext));
+ return DIArray(MDNode::get(VMContext, &Null, 1));
+ }
- return DIArray(MDNode::get(VMContext,Elts.data(), Elts.size()));
+ SmallVector<Value *, 16> Elts(Tys, Tys+NumTys);
+ return DIArray(MDNode::get(VMContext, Elts.data(), Elts.size()));
}
/// GetOrCreateSubrange - Create a descriptor for a value range. This
return DISubrange(MDNode::get(VMContext, &Elts[0], 3));
}
-
+/// CreateUnspecifiedParameter - Create unspeicified type descriptor
+/// for the subroutine type.
+DIDescriptor DIFactory::CreateUnspecifiedParameter() {
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_unspecified_parameters)
+ };
+ return DIDescriptor(MDNode::get(VMContext, &Elts[0], 1));
+}
/// CreateCompileUnit - Create a new descriptor for the specified compile
/// unit. Note that this does not unique compile units within the module.
ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
ContainingType
};
- return DICompositeType(MDNode::get(VMContext, &Elts[0], 13));
+
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 13);
+ // Create a named metadata so that we do not lose this enum info.
+ if (Tag == dwarf::DW_TAG_enumeration_type) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
+ NMD->addOperand(Node);
+ }
+ return DICompositeType(Node);
+}
+
+
+/// CreateTemporaryType - Create a temporary forward-declared type.
+DIType DIFactory::CreateTemporaryType() {
+ // Give the temporary MDNode a tag. It doesn't matter what tag we
+ // use here as long as DIType accepts it.
+ Value *Elts[] = {
+ GetTagConstant(DW_TAG_base_type)
+ };
+ MDNode *Node = MDNode::getTemporary(VMContext, Elts, array_lengthof(Elts));
+ return DIType(Node);
}
unsigned Flags,
DIType DerivedFrom,
DIArray Elements,
- unsigned RuntimeLang) {
-
+ unsigned RuntimeLang,
+ MDNode *ContainingType) {
Value *Elts[] = {
GetTagConstant(Tag),
Context,
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
DerivedFrom,
Elements,
- ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang)
+ ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
+ ContainingType
};
- return DICompositeType(MDNode::get(VMContext, &Elts[0], 12));
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 13);
+ // Create a named metadata so that we do not lose this enum info.
+ if (Tag == dwarf::DW_TAG_enumeration_type) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
+ NMD->addOperand(Node);
+ }
+ return DICompositeType(Node);
}
bool isDefinition,
unsigned VK, unsigned VIndex,
DIType ContainingType,
- bool isArtificial,
+ unsigned Flags,
bool isOptimized,
Function *Fn) {
ConstantInt::get(Type::getInt32Ty(VMContext), (unsigned)VK),
ConstantInt::get(Type::getInt32Ty(VMContext), VIndex),
ContainingType,
- ConstantInt::get(Type::getInt1Ty(VMContext), isArtificial),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
Fn
};
DeclNode->getOperand(11), // Virtuality
DeclNode->getOperand(12), // VIndex
DeclNode->getOperand(13), // Containting Type
- DeclNode->getOperand(14), // isArtificial
+ DeclNode->getOperand(14), // Flags
DeclNode->getOperand(15), // isOptimized
SPDeclaration.getFunction()
};
return DIGlobalVariable(Node);
}
+/// fixupObjcLikeName - Replace contains special characters used
+/// in a typical Objective-C names with '.' in a given string.
+static void fixupObjcLikeName(std::string &Str) {
+ for (size_t i = 0, e = Str.size(); i < e; ++i) {
+ char C = Str[i];
+ if (C == '[' || C == ']' || C == ' ' || C == ':')
+ Str[i] = '.';
+ }
+}
+
+/// getOrInsertFnSpecificMDNode - Return a NameMDNode that is suitable
+/// to hold function specific information.
+NamedMDNode *llvm::getOrInsertFnSpecificMDNode(Module &M, StringRef FuncName) {
+ SmallString<32> Out;
+ if (FuncName.find('[') == StringRef::npos)
+ return M.getOrInsertNamedMetadata(Twine("llvm.dbg.lv.", FuncName)
+ .toStringRef(Out));
+ std::string Name = FuncName;
+ fixupObjcLikeName(Name);
+ return M.getOrInsertNamedMetadata(Twine("llvm.dbg.lv.", Name)
+ .toStringRef(Out));
+}
+
+/// getFnSpecificMDNode - Return a NameMDNode, if available, that is
+/// suitable to hold function specific information.
+NamedMDNode *llvm::getFnSpecificMDNode(const Module &M, StringRef FuncName) {
+ if (FuncName.find('[') == StringRef::npos)
+ return M.getNamedMetadata(Twine("llvm.dbg.lv.", FuncName));
+ std::string Name = FuncName;
+ fixupObjcLikeName(Name);
+ return M.getNamedMetadata(Twine("llvm.dbg.lv.", Name));
+}
+
/// CreateVariable - Create a new descriptor for the specified variable.
DIVariable DIFactory::CreateVariable(unsigned Tag, DIDescriptor Context,
StringRef Name,
DIFile F,
unsigned LineNo,
- DIType Ty, bool AlwaysPreserve) {
+ DIType Ty, bool AlwaysPreserve,
+ unsigned Flags) {
Value *Elts[] = {
GetTagConstant(Tag),
Context,
F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
Ty,
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags)
};
- MDNode *Node = MDNode::get(VMContext, &Elts[0], 6);
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 7);
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
if (FName.startswith(StringRef(&One, 1)))
FName = FName.substr(1);
- SmallString<32> Out;
- NamedMDNode *FnLocals =
- M.getOrInsertNamedMetadata(Twine("llvm.dbg.lv.", FName).toStringRef(Out));
+
+ NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, FName);
FnLocals->addOperand(Node);
}
return DIVariable(Node);
/// CreateComplexVariable - Create a new descriptor for the specified variable
/// which has a complex address expression for its address.
DIVariable DIFactory::CreateComplexVariable(unsigned Tag, DIDescriptor Context,
- const std::string &Name,
- DIFile F,
+ StringRef Name, DIFile F,
unsigned LineNo,
- DIType Ty,
- SmallVector<Value *, 9> &addr) {
- SmallVector<Value *, 9> Elts;
+ DIType Ty, Value *const *Addr,
+ unsigned NumAddr) {
+ SmallVector<Value *, 15> Elts;
Elts.push_back(GetTagConstant(Tag));
Elts.push_back(Context);
Elts.push_back(MDString::get(VMContext, Name));
Elts.push_back(F);
Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), LineNo));
Elts.push_back(Ty);
- Elts.insert(Elts.end(), addr.begin(), addr.end());
+ Elts.append(Addr, Addr+NumAddr);
- return DIVariable(MDNode::get(VMContext, &Elts[0], 6+addr.size()));
+ return DIVariable(MDNode::get(VMContext, Elts.data(), Elts.size()));
}
return CallInst::Create(ValueFn, Args, Args+3, "", InsertAtEnd);
}
+// RecordType - Record DIType in a module such that it is not lost even if
+// it is not referenced through debug info anchors.
+void DIFactory::RecordType(DIType T) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.ty");
+ NMD->addOperand(T);
+}
+
+
//===----------------------------------------------------------------------===//
// DebugInfoFinder implementations.
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff