DwarfCompileUnit.cpp File Reference

#include "DwarfCompileUnit.h"
#include "DwarfAccelTable.h"
#include "DwarfDebug.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/DIBuilder.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Instructions.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetRegisterInfo.h"

Include dependency graph for DwarfCompileUnit.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "dwarfdebug"

Functions
static bool	isShareableAcrossCUs (DIDescriptor D)
	Check whether the DIE for this MDNode can be shared across CUs. More...
static bool	isTypeSigned (DwarfDebug *DD, DIType Ty, int *SizeInBits)
	isTypeSigned - Return true if the type is signed. More...
static bool	isUnsignedDIType (DwarfDebug *DD, DIType Ty)
	Return true if type encoding is unsigned. More...
static uint64_t	getBaseTypeSize (DwarfDebug *DD, DIDerivedType Ty)
	If this type is derived from a base type then return base type size. More...
static bool	isTypeUnitScoped (DIType Ty, const DwarfDebug *DD)
static bool	shouldCreateTypeUnit (DICompositeType CTy, const DwarfDebug *DD)
	Return true if the type should be split out into a type unit. More...
static const ConstantExpr *	getMergedGlobalExpr (const Value *V)

Macro Definition Documentation

#define DEBUG_TYPE   "dwarfdebug"

Definition at line 14 of file DwarfCompileUnit.cpp.

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 691 of file DwarfCompileUnit.cpp.

References llvm::DIType::getSizeInBits(), llvm::DIDescriptor::getTag(), llvm::DIDerivedType::getTypeDerivedFrom(), llvm::DIDescriptor::isDerivedType(), llvm::DIType::isValid(), and llvm::DwarfDebug::resolve().

static const ConstantExpr* getMergedGlobalExpr ( const Value *  V )

static

Definition at line 1484 of file DwarfCompileUnit.cpp.

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

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

static bool isShareableAcrossCUs ( DIDescriptor  D )

static

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

Definition at line 102 of file DwarfCompileUnit.cpp.

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

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

static bool isTypeSigned ( DwarfDebug *  DD, DIType  Ty, int *  SizeInBits  )

static

isTypeSigned - Return true if the type is signed.

Definition at line 660 of file DwarfCompileUnit.cpp.

References llvm::dwarf::DW_ATE_signed, llvm::dwarf::DW_ATE_signed_char, llvm::DIBasicType::getEncoding(), llvm::DIType::getSizeInBits(), llvm::DIDescriptor::isBasicType(), llvm::DIDescriptor::isDerivedType(), and llvm::DwarfDebug::resolve().

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

static bool isTypeUnitScoped ( DIType  Ty, const DwarfDebug *  DD  )

static

Return true if the type is appropriately scoped to be contained inside its own type unit.

Definition at line 1099 of file DwarfCompileUnit.cpp.

References llvm::DIScope::getContext(), llvm::DIType::getContext(), llvm::DIDescriptor::isSubprogram(), and llvm::DwarfDebug::resolve().

Referenced by shouldCreateTypeUnit().

static bool isUnsignedDIType ( DwarfDebug *  DD, DIType  Ty  )

static

Return true if type encoding is unsigned.

Definition at line 674 of file DwarfCompileUnit.cpp.

References llvm::dwarf::DW_ATE_boolean, llvm::dwarf::DW_ATE_unsigned, llvm::dwarf::DW_ATE_unsigned_char, llvm::DIBasicType::getEncoding(), llvm::DIDerivedType::getTypeDerivedFrom(), llvm::DIDescriptor::isBasicType(), llvm::DIDescriptor::isDerivedType(), and llvm::DwarfDebug::resolve().

Referenced by llvm::CompileUnit::constructVariableDIE(), and llvm::CompileUnit::createGlobalVariableDIE().

static bool shouldCreateTypeUnit ( DICompositeType  CTy, const DwarfDebug *  DD  )

static

Return true if the type should be split out into a type unit.

Definition at line 1111 of file DwarfCompileUnit.cpp.

References llvm::DIDescriptor::getTag(), llvm::DIType::isForwardDecl(), and isTypeUnitScoped().