#include "llvm/Analysis/DIBuilder.h"
#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Constants.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/Module.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/Dwarf.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);
}
DIBuilder::DIBuilder(Module &m)
: M(m), VMContext(M.getContext()), TheCU(0), DeclareFn(0), ValueFn(0) {}
void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
StringRef Directory, StringRef Producer,
bool isOptimized, StringRef Flags,
unsigned RunTimeVer) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_compile_unit),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
ConstantInt::get(Type::getInt32Ty(VMContext), Lang),
MDString::get(VMContext, Filename),
MDString::get(VMContext, Directory),
MDString::get(VMContext, Producer),
ConstantInt::get(Type::getInt1Ty(VMContext), true), ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
MDString::get(VMContext, Flags),
ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeVer)
};
TheCU = DICompileUnit(MDNode::get(VMContext, Elts));
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu");
NMD->addOperand(TheCU);
}
DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) {
assert(TheCU && "Unable to create DW_TAG_file_type without CompileUnit");
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_file_type),
MDString::get(VMContext, Filename),
MDString::get(VMContext, Directory),
TheCU
};
return DIFile(MDNode::get(VMContext, Elts));
}
DIEnumerator DIBuilder::createEnumerator(StringRef Name, uint64_t Val) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_enumerator),
MDString::get(VMContext, Name),
ConstantInt::get(Type::getInt64Ty(VMContext), Val)
};
return DIEnumerator(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits,
uint64_t AlignInBits,
unsigned Encoding) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_base_type),
TheCU,
MDString::get(VMContext, Name),
NULL, ConstantInt::get(Type::getInt32Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), 0), ConstantInt::get(Type::getInt32Ty(VMContext), 0), ConstantInt::get(Type::getInt32Ty(VMContext), Encoding)
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) {
Value *Elts[] = {
GetTagConstant(VMContext, Tag),
TheCU,
MDString::get(VMContext, StringRef()), NULL, 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), FromTy
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits,
uint64_t AlignInBits, StringRef Name) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_pointer_type),
TheCU,
MDString::get(VMContext, Name),
NULL, ConstantInt::get(Type::getInt32Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), 0), ConstantInt::get(Type::getInt32Ty(VMContext), 0), PointeeTy
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createReferenceType(DIType RTy) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_reference_type),
TheCU,
NULL, NULL, 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), RTy
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File,
unsigned LineNo) {
assert(Ty.Verify() && "Invalid typedef type!");
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_typedef),
Ty.getContext(),
MDString::get(VMContext, Name),
File,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
ConstantInt::get(Type::getInt64Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), 0), ConstantInt::get(Type::getInt32Ty(VMContext), 0), Ty
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createFriend(DIType Ty, DIType FriendTy) {
assert(Ty.Verify() && "Invalid type!");
assert(FriendTy.Verify() && "Invalid friend type!");
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_friend),
Ty,
NULL, Ty.getFile(),
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), FriendTy
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createInheritance(DIType Ty, DIType BaseTy,
uint64_t BaseOffset, unsigned Flags) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_inheritance),
Ty,
NULL, Ty.getFile(),
ConstantInt::get(Type::getInt32Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), 0), ConstantInt::get(Type::getInt64Ty(VMContext), BaseOffset),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
BaseTy
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createMemberType(StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits,
uint64_t OffsetInBits, unsigned Flags,
DIType Ty) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_member),
File, MDString::get(VMContext, Name),
File,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
Ty
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createObjCIVar(StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits,
uint64_t OffsetInBits, unsigned Flags,
DIType Ty, StringRef PropertyName,
StringRef GetterName, StringRef SetterName,
unsigned PropertyAttributes) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_member),
File, MDString::get(VMContext, Name),
File,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
Ty,
MDString::get(VMContext, PropertyName),
MDString::get(VMContext, GetterName),
MDString::get(VMContext, SetterName),
ConstantInt::get(Type::getInt32Ty(VMContext), PropertyAttributes)
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits,
uint64_t OffsetInBits, unsigned Flags,
DIType DerivedFrom, DIArray Elements,
MDNode *VTableHoder, MDNode *TemplateParams) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_class_type),
Context,
MDString::get(VMContext, Name),
File,
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),
VTableHoder,
TemplateParams
};
return DIType(MDNode::get(VMContext, Elts));
}
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),
Context,
MDString::get(VMContext, Name),
Ty,
File,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
};
return DITemplateTypeParameter(MDNode::get(VMContext, Elts));
}
DITemplateValueParameter
DIBuilder::createTemplateValueParameter(DIDescriptor Context, StringRef Name,
DIType Ty, uint64_t Val,
MDNode *File, unsigned LineNo,
unsigned ColumnNo) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_template_value_parameter),
Context,
MDString::get(VMContext, Name),
Ty,
ConstantInt::get(Type::getInt64Ty(VMContext), Val),
File,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
};
return DITemplateValueParameter(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createStructType(DIDescriptor Context, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits,
unsigned Flags, DIArray Elements,
unsigned RunTimeLang) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_structure_type),
Context,
MDString::get(VMContext, Name),
File,
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),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name,
DIFile File,
unsigned LineNumber, uint64_t SizeInBits,
uint64_t AlignInBits, unsigned Flags,
DIArray Elements, unsigned RunTimeLang) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_union_type),
Scope,
MDString::get(VMContext, Name),
File,
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),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createSubroutineType(DIFile File, DIArray ParameterTypes) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_subroutine_type),
File,
MDString::get(VMContext, ""),
File,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt64Ty(VMContext), 0),
ConstantInt::get(Type::getInt64Ty(VMContext), 0),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
ParameterTypes,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createEnumerationType(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits,
uint64_t AlignInBits, DIArray Elements) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type),
Scope,
MDString::get(VMContext, Name),
File,
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),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
};
MDNode *Node = MDNode::get(VMContext, Elts);
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
NMD->addOperand(Node);
return DIType(Node);
}
DIType DIBuilder::createArrayType(uint64_t Size, uint64_t AlignInBits,
DIType Ty, DIArray Subscripts) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
TheCU,
MDString::get(VMContext, ""),
TheCU,
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),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits,
DIType Ty, DIArray Subscripts) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_vector_type),
TheCU,
MDString::get(VMContext, ""),
TheCU,
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),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
};
return DIType(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createArtificialType(DIType Ty) {
if (Ty.isArtificial())
return Ty;
SmallVector<Value *, 9> Elts;
MDNode *N = Ty;
assert (N && "Unexpected input DIType!");
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
if (Value *V = N->getOperand(i))
Elts.push_back(V);
else
Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext)));
}
unsigned CurFlags = Ty.getFlags();
CurFlags = CurFlags | DIType::FlagArtificial;
Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags);
return DIType(MDNode::get(VMContext, Elts));
}
void DIBuilder::retainType(DIType T) {
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.ty");
NMD->addOperand(T);
}
DIDescriptor DIBuilder::createUnspecifiedParameter() {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_parameters)
};
return DIDescriptor(MDNode::get(VMContext, Elts));
}
DIType DIBuilder::createTemporaryType() {
Value *Elts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
MDNode *Node = MDNode::getTemporary(VMContext, Elts);
return DIType(Node);
}
DIType DIBuilder::createTemporaryType(DIFile F) {
Value *Elts[] = {
GetTagConstant(VMContext, DW_TAG_base_type),
F.getCompileUnit(),
NULL,
F
};
MDNode *Node = MDNode::getTemporary(VMContext, Elts);
return DIType(Node);
}
DIArray DIBuilder::getOrCreateArray(ArrayRef<Value *> Elements) {
if (Elements.empty()) {
Value *Null = llvm::Constant::getNullValue(Type::getInt32Ty(VMContext));
return DIArray(MDNode::get(VMContext, Null));
}
return DIArray(MDNode::get(VMContext, Elements));
}
DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Hi) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_subrange_type),
ConstantInt::get(Type::getInt64Ty(VMContext), Lo),
ConstantInt::get(Type::getInt64Ty(VMContext), Hi)
};
return DISubrange(MDNode::get(VMContext, Elts));
}
DIGlobalVariable DIBuilder::
createGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber,
DIType Ty, bool isLocalToUnit, llvm::Value *Val) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_variable),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
TheCU,
MDString::get(VMContext, Name),
MDString::get(VMContext, Name),
MDString::get(VMContext, Name),
F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
Ty,
ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
ConstantInt::get(Type::getInt32Ty(VMContext), 1),
Val
};
MDNode *Node = MDNode::get(VMContext, Elts);
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
NMD->addOperand(Node);
return DIGlobalVariable(Node);
}
DIGlobalVariable DIBuilder::
createStaticVariable(DIDescriptor Context, StringRef Name,
StringRef LinkageName, DIFile F, unsigned LineNumber,
DIType Ty, bool isLocalToUnit, llvm::Value *Val) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_variable),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
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),
Val
};
MDNode *Node = MDNode::get(VMContext, Elts);
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
NMD->addOperand(Node);
return DIGlobalVariable(Node);
}
DIVariable DIBuilder::createLocalVariable(unsigned Tag, DIDescriptor Scope,
StringRef Name, DIFile File,
unsigned LineNo, DIType Ty,
bool AlwaysPreserve, unsigned Flags,
unsigned ArgNo) {
Value *Elts[] = {
GetTagConstant(VMContext, Tag),
Scope,
MDString::get(VMContext, Name),
File,
ConstantInt::get(Type::getInt32Ty(VMContext), (LineNo | (ArgNo << 24))),
Ty,
ConstantInt::get(Type::getInt32Ty(VMContext), Flags)
};
MDNode *Node = MDNode::get(VMContext, Elts);
if (AlwaysPreserve) {
DISubprogram Fn(getDISubprogram(Scope));
StringRef FName = "fn";
if (Fn.getFunction())
FName = Fn.getFunction()->getName();
char One = '\1';
if (FName.startswith(StringRef(&One, 1)))
FName = FName.substr(1);
NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, FName);
FnLocals->addOperand(Node);
}
return DIVariable(Node);
}
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(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(llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)));
Elts.append(Addr.begin(), Addr.end());
return DIVariable(MDNode::get(VMContext, Elts));
}
DISubprogram DIBuilder::createFunction(DIDescriptor Context,
StringRef Name,
StringRef LinkageName,
DIFile File, unsigned LineNo,
DIType Ty,
bool isLocalToUnit, bool isDefinition,
unsigned Flags, bool isOptimized,
Function *Fn,
MDNode *TParams,
MDNode *Decl) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
Context,
MDString::get(VMContext, Name),
MDString::get(VMContext, Name),
MDString::get(VMContext, LinkageName),
File,
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),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
Fn,
TParams,
Decl
};
MDNode *Node = MDNode::get(VMContext, Elts);
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
NMD->addOperand(Node);
return DISubprogram(Node);
}
DISubprogram DIBuilder::createMethod(DIDescriptor Context,
StringRef Name,
StringRef LinkageName,
DIFile F,
unsigned LineNo, DIType Ty,
bool isLocalToUnit,
bool isDefinition,
unsigned VK, unsigned VIndex,
MDNode *VTableHolder,
unsigned Flags,
bool isOptimized,
Function *Fn,
MDNode *TParam) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
Context,
MDString::get(VMContext, Name),
MDString::get(VMContext, Name),
MDString::get(VMContext, LinkageName),
F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
Ty,
ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
ConstantInt::get(Type::getInt32Ty(VMContext), (unsigned)VK),
ConstantInt::get(Type::getInt32Ty(VMContext), VIndex),
VTableHolder,
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
Fn,
TParam,
};
MDNode *Node = MDNode::get(VMContext, Elts);
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
NMD->addOperand(Node);
return DISubprogram(Node);
}
DINameSpace DIBuilder::createNameSpace(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNo) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_namespace),
Scope,
MDString::get(VMContext, Name),
File,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
};
return DINameSpace(MDNode::get(VMContext, Elts));
}
DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
unsigned Line, unsigned Col) {
static unsigned int unique_id = 0;
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
Scope,
ConstantInt::get(Type::getInt32Ty(VMContext), Line),
ConstantInt::get(Type::getInt32Ty(VMContext), Col),
File,
ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++)
};
return DILexicalBlock(MDNode::get(VMContext, Elts));
}
Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
Instruction *InsertBefore) {
assert(Storage && "no storage passed to dbg.declare");
assert(VarInfo.Verify() && "empty DIVariable passed to dbg.declare");
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
Value *Args[] = { MDNode::get(Storage->getContext(), Storage), VarInfo };
return CallInst::Create(DeclareFn, Args, Args+2, "", InsertBefore);
}
Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
BasicBlock *InsertAtEnd) {
assert(Storage && "no storage passed to dbg.declare");
assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.declare");
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
Value *Args[] = { MDNode::get(Storage->getContext(), Storage), VarInfo };
if (TerminatorInst *T = InsertAtEnd->getTerminator())
return CallInst::Create(DeclareFn, Args, Args+2, "", T);
else
return CallInst::Create(DeclareFn, Args, Args+2, "", InsertAtEnd);
}
Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
DIVariable VarInfo,
Instruction *InsertBefore) {
assert(V && "no value passed to dbg.value");
assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
if (!ValueFn)
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
Value *Args[] = { MDNode::get(V->getContext(), V),
ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
VarInfo };
return CallInst::Create(ValueFn, Args, Args+3, "", InsertBefore);
}
Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
DIVariable VarInfo,
BasicBlock *InsertAtEnd) {
assert(V && "no value passed to dbg.value");
assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
if (!ValueFn)
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
Value *Args[] = { MDNode::get(V->getContext(), V),
ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
VarInfo };
return CallInst::Create(ValueFn, Args, Args+3, "", InsertAtEnd);
}