#ifndef LLVM_ANALYSIS_DEBUGINFO_H
#define LLVM_ANALYSIS_DEBUGINFO_H
-#include "llvm/Metadata.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Dwarf.h"
-#include "llvm/Support/ValueHandle.h"
-
-#define ATTACH_DEBUG_INFO_TO_AN_INSN 1
namespace llvm {
class BasicBlock;
class Module;
class Type;
class Value;
- struct DbgStopPointInst;
struct DbgDeclareInst;
- struct DbgFuncStartInst;
- struct DbgRegionStartInst;
- struct DbgRegionEndInst;
class DebugLoc;
struct DebugLocTracker;
class Instruction;
+ class MDNode;
class LLVMContext;
+ /// DIDescriptor - A thin wraper around MDNode to access encoded debug info.
+ /// This should not be stored in a container, because underly MDNode may
+ /// change in certain situations.
class DIDescriptor {
protected:
- TrackingVH<MDNode> DbgNode;
+ MDNode *DbgNode;
/// DIDescriptor constructor. If the specified node is non-null, check
/// to make sure that the tag in the descriptor matches 'RequiredTag'. If
/// not, the debug info is corrupt and we ignore it.
DIDescriptor(MDNode *N, unsigned RequiredTag);
- const char *getStringField(unsigned Elt) const;
+ StringRef getStringField(unsigned Elt) const;
unsigned getUnsignedField(unsigned Elt) const {
return (unsigned)getUInt64Field(Elt);
}
}
/// ValidDebugInfo - Return true if N represents valid debug info value.
- static bool ValidDebugInfo(MDNode *N, CodeGenOpt::Level OptLevel);
+ static bool ValidDebugInfo(MDNode *N, unsigned OptLevel);
/// dump - print descriptor.
void dump() const;
bool isGlobalVariable() const;
bool isScope() const;
bool isCompileUnit() const;
+ bool isNameSpace() const;
bool isLexicalBlock() const;
bool isSubrange() const;
bool isEnumerator() const;
}
virtual ~DIScope() {}
- const char *getFilename() const;
- const char *getDirectory() const;
+ StringRef getFilename() const;
+ StringRef getDirectory() const;
};
/// DICompileUnit - A wrapper for a compile unit.
}
unsigned getLanguage() const { return getUnsignedField(2); }
- const char *getFilename() const { return getStringField(3); }
- const char *getDirectory() const { return getStringField(4); }
- const char *getProducer() const { return getStringField(5); }
+ StringRef getFilename() const { return getStringField(3); }
+ StringRef getDirectory() const { return getStringField(4); }
+ StringRef getProducer() const { return getStringField(5); }
/// isMain - Each input file is encoded as a separate compile unit in LLVM
/// debugging information output. However, many target specific tool chains
bool isMain() const { return getUnsignedField(6); }
bool isOptimized() const { return getUnsignedField(7); }
- const char *getFlags() const { return getStringField(8); }
+ StringRef getFlags() const { return getStringField(8); }
unsigned getRunTimeVersion() const { return getUnsignedField(9); }
/// Verify - Verify that a compile unit is well formed.
explicit DIEnumerator(MDNode *N = 0)
: DIDescriptor(N, dwarf::DW_TAG_enumerator) {}
- const char *getName() const { return getStringField(1); }
+ StringRef getName() const { return getStringField(1); }
uint64_t getEnumValue() const { return getUInt64Field(2); }
};
FlagProtected = 1 << 1,
FlagFwdDecl = 1 << 2,
FlagAppleBlock = 1 << 3,
- FlagBlockByrefStruct = 1 << 4
+ FlagBlockByrefStruct = 1 << 4,
+ FlagVirtual = 1 << 5
};
protected:
virtual ~DIType() {}
DIDescriptor getContext() const { return getDescriptorField(1); }
- const char *getName() const { return getStringField(2); }
+ StringRef getName() const { return getStringField(2); }
DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(3); }
unsigned getLineNumber() const { return getUnsignedField(4); }
uint64_t getSizeInBits() const { return getUInt64Field(5); }
bool isBlockByrefStruct() const {
return (getFlags() & FlagBlockByrefStruct) != 0;
}
+ bool isVirtual() const {
+ return (getFlags() & FlagVirtual) != 0;
+ }
/// dump - print type.
void dump() const;
virtual ~DIGlobal() {}
DIDescriptor getContext() const { return getDescriptorField(2); }
- const char *getName() const { return getStringField(3); }
- const char *getDisplayName() const { return getStringField(4); }
- const char *getLinkageName() const { return getStringField(5); }
+ StringRef getName() const { return getStringField(3); }
+ StringRef getDisplayName() const { return getStringField(4); }
+ StringRef getLinkageName() const { return getStringField(5); }
DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(6); }
unsigned getLineNumber() const { return getUnsignedField(7); }
DIType getType() const { return getFieldAs<DIType>(8); }
}
DIDescriptor getContext() const { return getDescriptorField(2); }
- const char *getName() const { return getStringField(3); }
- const char *getDisplayName() const { return getStringField(4); }
- const char *getLinkageName() const { return getStringField(5); }
+ StringRef getName() const { return getStringField(3); }
+ StringRef getDisplayName() const { return getStringField(4); }
+ StringRef getLinkageName() const { return getStringField(5); }
DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(6); }
unsigned getLineNumber() const { return getUnsignedField(7); }
DICompositeType getType() const { return getFieldAs<DICompositeType>(8); }
/// getReturnTypeName - Subprogram return types are encoded either as
/// DIType or as DICompositeType.
- const char *getReturnTypeName() const {
+ StringRef getReturnTypeName() const {
DICompositeType DCT(getFieldAs<DICompositeType>(8));
if (!DCT.isNull()) {
DIArray A = DCT.getTypeArray();
/// compile unit, like 'static' in C.
unsigned isLocalToUnit() const { return getUnsignedField(9); }
unsigned isDefinition() const { return getUnsignedField(10); }
- const char *getFilename() const { return getCompileUnit().getFilename();}
- const char *getDirectory() const { return getCompileUnit().getDirectory();}
+
+ unsigned getVirtuality() const { return getUnsignedField(11); }
+ unsigned getVirtualIndex() const { return getUnsignedField(12); }
+
+ DICompositeType getContainingType() const {
+ return getFieldAs<DICompositeType>(13);
+ }
+
+ StringRef getFilename() const { return getCompileUnit().getFilename();}
+ StringRef getDirectory() const { return getCompileUnit().getDirectory();}
/// Verify - Verify that a subprogram descriptor is well formed.
bool Verify() const;
}
DIDescriptor getContext() const { return getDescriptorField(1); }
- const char *getName() const { return getStringField(2); }
+ StringRef getName() const { return getStringField(2); }
DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(3); }
unsigned getLineNumber() const { return getUnsignedField(4); }
DIType getType() const { return getFieldAs<DIType>(5); }
return getNumAddrElements() > 0;
}
- unsigned getNumAddrElements() const { return DbgNode->getNumElements()-6; }
-
+ unsigned getNumAddrElements() const;
+
uint64_t getAddrElement(unsigned Idx) const {
return getUInt64Field(Idx+6);
}
DbgNode = 0;
}
DIScope getContext() const { return getFieldAs<DIScope>(1); }
- const char *getDirectory() const { return getContext().getDirectory(); }
- const char *getFilename() const { return getContext().getFilename(); }
+ StringRef getDirectory() const { return getContext().getDirectory(); }
+ StringRef getFilename() const { return getContext().getFilename(); }
+ };
+
+ /// DINameSpace - A wrapper for a C++ style name space.
+ class DINameSpace : public DIScope {
+ public:
+ explicit DINameSpace(MDNode *N = 0) : DIScope(N) {
+ if (DbgNode && !isNameSpace())
+ DbgNode = 0;
+ }
+
+ DIScope getContext() const { return getFieldAs<DIScope>(1); }
+ StringRef getName() const { return getStringField(2); }
+ StringRef getDirectory() const { return getContext().getDirectory(); }
+ StringRef getFilename() const { return getContext().getFilename(); }
+ DICompileUnit getCompileUnit() const { return getFieldAs<DICompileUnit>(3);}
+ unsigned getLineNumber() const { return getUnsignedField(4); }
};
/// DILocation - This object holds location information. This object
unsigned getColumnNumber() const { return getUnsignedField(1); }
DIScope getScope() const { return getFieldAs<DIScope>(2); }
DILocation getOrigLocation() const { return getFieldAs<DILocation>(3); }
- const char *getFilename() const { return getScope().getFilename(); }
- const char *getDirectory() const { return getScope().getDirectory(); }
+ StringRef getFilename() const { return getScope().getFilename(); }
+ StringRef getDirectory() const { return getScope().getDirectory(); }
};
/// DIFactory - This object assists with the construction of the various
Module &M;
LLVMContext& VMContext;
- // Cached values for uniquing and faster lookups.
const Type *EmptyStructPtr; // "{}*".
- Function *StopPointFn; // llvm.dbg.stoppoint
- Function *FuncStartFn; // llvm.dbg.func.start
- Function *RegionStartFn; // llvm.dbg.region.start
- Function *RegionEndFn; // llvm.dbg.region.end
Function *DeclareFn; // llvm.dbg.declare
- StringMap<Constant*> StringCache;
- DenseMap<Constant*, DIDescriptor> SimpleConstantCache;
+ Function *ValueFn; // llvm.dbg.value
DIFactory(const DIFactory &); // DO NOT IMPLEMENT
void operator=(const DIFactory&); // DO NOT IMPLEMENT
/// CreateCompileUnit - Create a new descriptor for the specified compile
/// unit.
DICompileUnit CreateCompileUnit(unsigned LangID,
- StringRef Filenae,
+ StringRef Filename,
StringRef Directory,
StringRef Producer,
bool isMain = false,
bool isOptimized = false,
- const char *Flags = "",
+ StringRef Flags = "",
unsigned RunTimeVer = 0);
/// CreateEnumerator - Create a single enumerator value.
StringRef LinkageName,
DICompileUnit CompileUnit, unsigned LineNo,
DIType Type, bool isLocalToUnit,
- bool isDefinition);
+ bool isDefinition,
+ unsigned VK = 0,
+ unsigned VIndex = 0,
+ DIType = DIType());
+
+ /// CreateSubprogramDefinition - Create new subprogram descriptor for the
+ /// given declaration.
+ DISubprogram CreateSubprogramDefinition(DISubprogram &SPDeclaration);
/// CreateGlobalVariable - Create a new descriptor for the specified global.
DIGlobalVariable
/// with the specified parent context.
DILexicalBlock CreateLexicalBlock(DIDescriptor Context);
+ /// CreateNameSpace - This creates new descriptor for a namespace
+ /// with the specified parent context.
+ DINameSpace CreateNameSpace(DIDescriptor Context, StringRef Name,
+ DICompileUnit CU, unsigned LineNo);
+
/// CreateLocation - Creates a debug info location.
DILocation CreateLocation(unsigned LineNo, unsigned ColumnNo,
DIScope S, DILocation OrigLoc);
- /// InsertStopPoint - Create a new llvm.dbg.stoppoint intrinsic invocation,
- /// inserting it at the end of the specified basic block.
- void InsertStopPoint(DICompileUnit CU, unsigned LineNo, unsigned ColNo,
- BasicBlock *BB);
-
- /// InsertSubprogramStart - Create a new llvm.dbg.func.start intrinsic to
- /// mark the start of the specified subprogram.
- void InsertSubprogramStart(DISubprogram SP, BasicBlock *BB);
-
- /// InsertRegionStart - Insert a new llvm.dbg.region.start intrinsic call to
- /// mark the start of a region for the specified scoping descriptor.
- void InsertRegionStart(DIDescriptor D, BasicBlock *BB);
-
- /// InsertRegionEnd - Insert a new llvm.dbg.region.end intrinsic call to
- /// mark the end of a region for the specified scoping descriptor.
- void InsertRegionEnd(DIDescriptor D, BasicBlock *BB);
+ /// CreateLocation - Creates a debug info location.
+ DILocation CreateLocation(unsigned LineNo, unsigned ColumnNo,
+ DIScope S, MDNode *OrigLoc = 0);
/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
Instruction *InsertDeclare(llvm::Value *Storage, DIVariable D,
Instruction *InsertDeclare(llvm::Value *Storage, DIVariable D,
Instruction *InsertBefore);
+ /// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
+ Instruction *InsertDbgValueIntrinsic(llvm::Value *V, llvm::Value *Offset,
+ DIVariable D, BasicBlock *InsertAtEnd);
+
+ /// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
+ Instruction *InsertDbgValueIntrinsic(llvm::Value *V, llvm::Value *Offset,
+ DIVariable D, Instruction *InsertBefore);
private:
Constant *GetTagConstant(unsigned TAG);
};
- /// Finds the stoppoint coressponding to this instruction, that is the
- /// stoppoint that dominates this instruction
- const DbgStopPointInst *findStopPoint(const Instruction *Inst);
-
- /// Finds the stoppoint corresponding to first real (non-debug intrinsic)
- /// instruction in this Basic Block, and returns the stoppoint for it.
- const DbgStopPointInst *findBBStopPoint(const BasicBlock *BB);
-
/// Finds the dbg.declare intrinsic corresponding to this value if any.
/// It looks through pointer casts too.
const DbgDeclareInst *findDbgDeclare(const Value *V, bool stripCasts = true);
/// Find the debug info descriptor corresponding to this global variable.
Value *findDbgGlobalDeclare(GlobalVariable *V);
-bool getLocationInfo(const Value *V, std::string &DisplayName,
- std::string &Type, unsigned &LineNo, std::string &File,
- std::string &Dir);
-
- /// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgStopPointInst &SPI,
- CodeGenOpt::Level OptLev);
-
- /// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI,
- CodeGenOpt::Level OptLev);
-
- /// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgRegionStartInst &RSI,
- CodeGenOpt::Level OptLev);
-
- /// isValidDebugInfoIntrinsic - Return true if REI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgRegionEndInst &REI,
- CodeGenOpt::Level OptLev);
-
- /// isValidDebugInfoIntrinsic - Return true if DI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgDeclareInst &DI,
- CodeGenOpt::Level OptLev);
-
- /// ExtractDebugLocation - Extract debug location information
- /// from llvm.dbg.stoppoint intrinsic.
- DebugLoc ExtractDebugLocation(DbgStopPointInst &SPI,
- DebugLocTracker &DebugLocInfo);
+ bool getLocationInfo(const Value *V, std::string &DisplayName,
+ std::string &Type, unsigned &LineNo, std::string &File,
+ std::string &Dir);
/// ExtractDebugLocation - Extract debug location information
/// from DILocation.
DebugLoc ExtractDebugLocation(DILocation &Loc,
DebugLocTracker &DebugLocInfo);
- /// ExtractDebugLocation - Extract debug location information
- /// from llvm.dbg.func_start intrinsic.
- DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI,
- DebugLocTracker &DebugLocInfo);
+ /// getDISubprogram - Find subprogram that is enclosing this scope.
+ DISubprogram getDISubprogram(MDNode *Scope);
- /// isInlinedFnStart - Return true if FSI is starting an inlined function.
- bool isInlinedFnStart(DbgFuncStartInst &FSI, const Function *CurrentFn);
+ /// getDICompositeType - Find underlying composite type.
+ DICompositeType getDICompositeType(DIType T);
- /// isInlinedFnEnd - Return true if REI is ending an inlined function.
- bool isInlinedFnEnd(DbgRegionEndInst &REI, const Function *CurrentFn);
- /// DebugInfoFinder - This object collects DebugInfo from a module.
class DebugInfoFinder {
-
public:
/// processModule - Process entire module and collect debug info
/// anchors.
/// processSubprogram - Process DISubprogram.
void processSubprogram(DISubprogram SP);
- /// processStopPoint - Process DbgStopPointInst.
- void processStopPoint(DbgStopPointInst *SPI);
-
- /// processFuncStart - Process DbgFuncStartInst.
- void processFuncStart(DbgFuncStartInst *FSI);
-
- /// processRegionStart - Process DbgRegionStart.
- void processRegionStart(DbgRegionStartInst *DRS);
-
- /// processRegionEnd - Process DbgRegionEnd.
- void processRegionEnd(DbgRegionEndInst *DRE);
-
/// processDeclare - Process DbgDeclareInst.
void processDeclare(DbgDeclareInst *DDI);
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