DwarfUnit.cpp File Reference

#include "DwarfUnit.h"
#include "DwarfAccelTable.h"
#include "DwarfDebug.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DIBuilder.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Mangler.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"

Include dependency graph for DwarfUnit.cpp:

Go to the source code of this file.

Defines
#define	DEBUG_TYPE   "dwarfdebug"
Functions
static bool	isShareableAcrossCUs (DIDescriptor D)
	Check whether the DIE for this MDNode can be shared across CUs.
static bool	isUnsignedDIType (DwarfDebug *DD, DIType Ty)
	Return true if type encoding is unsigned.
static uint64_t	getBaseTypeSize (DwarfDebug *DD, DIDerivedType Ty)
	If this type is derived from a base type then return base type size.
static const ConstantExpr *	getMergedGlobalExpr (const Value *V)
Variables
static cl::opt< bool >	GenerateDwarfTypeUnits ("generate-type-units", cl::Hidden, cl::desc("Generate DWARF4 type units."), cl::init(false))

---

Define Documentation

#define DEBUG_TYPE   "dwarfdebug"

Definition at line 37 of file DwarfUnit.cpp.

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Function Documentation

static uint64_t getBaseTypeSize	(	DwarfDebug *	DD,
		DIDerivedType	Ty
	)		[static]

If this type is derived from a base type then return base type size.

Definition at line 830 of file DwarfUnit.cpp.

References llvm::dwarf::DW_TAG_const_type, llvm::dwarf::DW_TAG_member, llvm::dwarf::DW_TAG_reference_type, llvm::dwarf::DW_TAG_restrict_type, llvm::dwarf::DW_TAG_rvalue_reference_type, llvm::dwarf::DW_TAG_typedef, llvm::dwarf::DW_TAG_volatile_type, llvm::DIType::getSizeInBits(), llvm::DIDescriptor::getTag(), llvm::DIDerivedType::getTypeDerivedFrom(), llvm::DIDescriptor::isDerivedType(), llvm::DIType::isForwardDecl(), llvm::DIType::isValid(), and llvm::DwarfDebug::resolve().

static const ConstantExpr* getMergedGlobalExpr

(

const Value *

V

)

[static]

Definition at line 1571 of file DwarfUnit.cpp.

References llvm::WinEH::CE, llvm::User::getNumOperands(), llvm::ConstantExpr::getOpcode(), llvm::User::getOperand(), llvm::Value::getType(), and llvm::ConstantInt::isZero().

Referenced by llvm::DwarfCompileUnit::createGlobalVariableDIE().

static bool isShareableAcrossCUs

(

DIDescriptor

D

)

[static]

Check whether the DIE for this MDNode can be shared across CUs.

Definition at line 131 of file DwarfUnit.cpp.

References GenerateDwarfTypeUnits, llvm::DISubprogram::isDefinition(), llvm::DIDescriptor::isSubprogram(), and llvm::DIDescriptor::isType().

Referenced by llvm::DwarfUnit::getDIE(), and llvm::DwarfUnit::insertDIE().

static bool isUnsignedDIType	(	DwarfDebug *	DD,
		DIType	Ty
	)		[static]

Return true if type encoding is unsigned.

Definition at line 789 of file DwarfUnit.cpp.

References llvm::dwarf::DW_ATE_boolean, llvm::dwarf::DW_ATE_signed, llvm::dwarf::DW_ATE_signed_char, llvm::dwarf::DW_ATE_unsigned, llvm::dwarf::DW_ATE_unsigned_char, llvm::dwarf::DW_ATE_UTF, llvm::dwarf::DW_TAG_const_type, llvm::dwarf::DW_TAG_enumeration_type, llvm::dwarf::DW_TAG_pointer_type, llvm::dwarf::DW_TAG_ptr_to_member_type, llvm::dwarf::DW_TAG_reference_type, llvm::dwarf::DW_TAG_restrict_type, llvm::dwarf::DW_TAG_rvalue_reference_type, llvm::dwarf::DW_TAG_typedef, llvm::dwarf::DW_TAG_volatile_type, llvm::DIBasicType::getEncoding(), llvm::DIDescriptor::getTag(), llvm::DIDerivedType::getTypeDerivedFrom(), llvm::DIDescriptor::isBasicType(), llvm::DIDescriptor::isDerivedType(), and llvm::DwarfDebug::resolve().

Referenced by llvm::DwarfUnit::addConstantValue().

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Variable Documentation

cl::opt<bool> GenerateDwarfTypeUnits("generate-type-units", cl::Hidden, cl::desc("Generate DWARF4 type units."), cl::init(false)) [static]

Referenced by llvm::DwarfUnit::getOrCreateTypeDIE(), and isShareableAcrossCUs().