llvm::PPCSubtarget Class Reference

#include <PPCSubtarget.h>

Inheritance diagram for llvm::PPCSubtarget:

Collaboration diagram for llvm::PPCSubtarget:

List of all members.

Public Types

enum AsmWriterFlavorTy { OldMnemonic, NewMnemonic, Unset }

Public Member Functions

PPCSubtarget (const TargetMachine &TM, const Module &M, const std::string &FS, bool is64Bit)

void ParseSubtargetFeatures (const std::string &FS, const std::string &CPU)

void SetJITMode ()

unsigned getStackAlignment () const

unsigned getDarwinDirective () const

const InstrItineraryData & getInstrItineraryData () const

const char * getTargetDataString () const

bool isPPC64 () const

bool has64BitSupport () const

bool use64BitRegs () const

bool hasLazyResolverStub (const GlobalValue *GV) const

bool hasFSQRT () const

bool hasSTFIWX () const

bool hasAltivec () const

bool isGigaProcessor () const

bool isDarwin () const

isDarwin - True if this is any darwin platform.

bool isDarwin9 () const

isDarwin - True if this is darwin9 (leopard, 10.5) or above.

unsigned getDarwinVers () const

getDarwinVers - Return the darwin version number, 8 = tiger, 9 = leopard.

bool isMachoABI () const

bool isELF32_ABI () const

unsigned getAsmFlavor () const

Protected Attributes

const TargetMachine & TM

unsigned StackAlignment

InstrItineraryData InstrItins

Selected instruction itineraries (one entry per itinerary class.).

unsigned DarwinDirective

Which cpu directive was used.

AsmWriterFlavorTy AsmFlavor

AsmFlavor - Which PPC asm dialect to use.

bool IsGigaProcessor

Used by the ISel to turn in optimizations for POWER4-derived architectures.

bool Has64BitSupport

bool Use64BitRegs

bool IsPPC64

bool HasAltivec

bool HasFSQRT

bool HasSTFIWX

bool HasLazyResolverStubs

unsigned char DarwinVers

Detailed Description

Definition at line 46 of file PPCSubtarget.h.

Member Enumeration Documentation

enum llvm::PPCSubtarget::AsmWriterFlavorTy

Enumerator:

OldMnemonic
NewMnemonic
Unset

Definition at line 48 of file PPCSubtarget.h.

Constructor & Destructor Documentation

PPCSubtarget::PPCSubtarget	(	const TargetMachine &	TM,
		const Module &	M,
		const std::string &	FS,
		bool	is64Bit
	)

This constructor initializes the data members to match that of the specified module.

Definition at line 60 of file PPCSubtarget.cpp.

References AsmFlavor, DarwinVers, llvm::Module::getTargetTriple(), has64BitSupport(), Has64BitSupport, HasLazyResolverStubs, isDarwin(), NewMnemonic, OldMnemonic, ParseSubtargetFeatures(), use64BitRegs(), and Use64BitRegs.

Member Function Documentation

void llvm::PPCSubtarget::ParseSubtargetFeatures	(	const std::string &	FS,
		const std::string &	CPU
	)

ParseSubtargetFeatures - Parses features string setting specified subtarget options. Definition of function is auto generated by tblgen.

Referenced by PPCSubtarget().

void PPCSubtarget::SetJITMode ( )

SetJITMode - This is called to inform the subtarget info that we are producing code for the JIT.

Definition at line 130 of file PPCSubtarget.cpp.

References HasLazyResolverStubs.

Referenced by llvm::PPCTargetMachine::addCodeEmitter().

unsigned llvm::PPCSubtarget::getStackAlignment ( ) const [inline]

getStackAlignment - Returns the minimum alignment known to hold of the stack frame on entry to the function and which must be maintained by every function for this subtarget.

Definition at line 98 of file PPCSubtarget.h.

References StackAlignment.

unsigned llvm::PPCSubtarget::getDarwinDirective ( ) const [inline]

getDarwinDirective - Returns the -m directive specified for the cpu.

Definition at line 102 of file PPCSubtarget.h.

References DarwinDirective.

const InstrItineraryData& llvm::PPCSubtarget::getInstrItineraryData ( ) const [inline]

getInstrItins - Return the instruction itineraies based on subtarget selection.

Definition at line 106 of file PPCSubtarget.h.

References InstrItins.

const char* llvm::PPCSubtarget::getTargetDataString ( ) const [inline]

getTargetDataString - Return the pointer size and type alignment properties of this subtarget.

Definition at line 110 of file PPCSubtarget.h.

References isPPC64().

bool llvm::PPCSubtarget::isPPC64 ( ) const [inline]

isPPC64 - Return true if we are generating code for 64-bit pointer mode.

Definition at line 117 of file PPCSubtarget.h.

References IsPPC64.

bool llvm::PPCSubtarget::has64BitSupport ( ) const [inline]

has64BitSupport - Return true if the selected CPU supports 64-bit instructions, regardless of whether we are in 32-bit or 64-bit mode.

Definition at line 121 of file PPCSubtarget.h.

References Has64BitSupport.

Referenced by PPCSubtarget().

bool llvm::PPCSubtarget::use64BitRegs ( ) const [inline]

use64BitRegs - Return true if in 64-bit mode or if we should use 64-bit registers in 32-bit mode when possible. This can only true if has64BitSupport() returns true.

Definition at line 126 of file PPCSubtarget.h.

References Use64BitRegs.

Referenced by PPCSubtarget().

bool PPCSubtarget::hasLazyResolverStub ( const GlobalValue * GV ) const

hasLazyResolverStub - Return true if accesses to the specified global have to go through a dyld lazy resolution stub. This means that an extra load is required to get the address of the global.

Definition at line 141 of file PPCSubtarget.cpp.

References llvm::TargetMachine::getRelocationModel(), llvm::GlobalValue::hasCommonLinkage(), llvm::GlobalValue::hasHiddenVisibility(), HasLazyResolverStubs, llvm::GlobalValue::hasLinkOnceLinkage(), llvm::GlobalValue::hasNotBeenReadFromBitcode(), llvm::GlobalValue::hasWeakLinkage(), llvm::GlobalValue::isDeclaration(), llvm::Reloc::Static, and TM.

bool llvm::PPCSubtarget::hasFSQRT ( ) const [inline]

Definition at line 134 of file PPCSubtarget.h.

References HasFSQRT.

bool llvm::PPCSubtarget::hasSTFIWX ( ) const [inline]

Definition at line 135 of file PPCSubtarget.h.

References HasSTFIWX.

bool llvm::PPCSubtarget::hasAltivec ( ) const [inline]

Definition at line 136 of file PPCSubtarget.h.

References HasAltivec.

bool llvm::PPCSubtarget::isGigaProcessor ( ) const [inline]

Definition at line 137 of file PPCSubtarget.h.

References IsGigaProcessor.

bool llvm::PPCSubtarget::isDarwin ( ) const [inline]

isDarwin - True if this is any darwin platform.

Definition at line 140 of file PPCSubtarget.h.

References DarwinVers.

Referenced by llvm::createPPCAsmPrinterPass(), llvm::PPCTargetMachine::createTargetAsmInfo(), llvm::PPCRegisterInfo::getReservedRegs(), isELF32_ABI(), isMachoABI(), PPCSubtarget(), and llvm::PPCTargetMachine::PPCTargetMachine().

bool llvm::PPCSubtarget::isDarwin9 ( ) const [inline]

isDarwin - True if this is darwin9 (leopard, 10.5) or above.

Definition at line 142 of file PPCSubtarget.h.

References DarwinVers.

unsigned llvm::PPCSubtarget::getDarwinVers ( ) const [inline]

getDarwinVers - Return the darwin version number, 8 = tiger, 9 = leopard.

Definition at line 145 of file PPCSubtarget.h.

References DarwinVers.

Referenced by llvm::PPCDarwinTargetAsmInfo::getEHGlobalPrefix().

bool llvm::PPCSubtarget::isMachoABI ( ) const [inline]

Definition at line 147 of file PPCSubtarget.h.

References isDarwin(), and IsPPC64.

Referenced by llvm::PPCRegisterInfo::determineFrameLayout(), llvm::PPCRegisterInfo::emitEpilogue(), llvm::PPCJITInfo::emitFunctionStub(), llvm::PPCRegisterInfo::emitPrologue(), llvm::PPCRegisterInfo::getCalleeSavedRegClasses(), llvm::PPCRegisterInfo::getCalleeSavedRegs(), GetFPR(), and llvm::PPCRegisterInfo::processFunctionBeforeCalleeSavedScan().

bool llvm::PPCSubtarget::isELF32_ABI ( ) const [inline]

Definition at line 148 of file PPCSubtarget.h.

References isDarwin(), and IsPPC64.

Referenced by llvm::PPCRegisterInfo::processFunctionBeforeCalleeSavedScan().

unsigned llvm::PPCSubtarget::getAsmFlavor ( ) const [inline]

Definition at line 150 of file PPCSubtarget.h.

References AsmFlavor, and Unset.

Referenced by llvm::PPCTargetAsmInfo< llvm::ELFTargetAsmInfo >::PPCTargetAsmInfo().

Member Data Documentation

const TargetMachine& llvm::PPCSubtarget::TM [protected]

Definition at line 52 of file PPCSubtarget.h.

Referenced by hasLazyResolverStub().

unsigned llvm::PPCSubtarget::StackAlignment [protected]

stackAlignment - The minimum alignment known to hold of the stack frame on entry to the function and which must be maintained by every function.

Definition at line 56 of file PPCSubtarget.h.

Referenced by getStackAlignment().

InstrItineraryData llvm::PPCSubtarget::InstrItins [protected]

Selected instruction itineraries (one entry per itinerary class.).

Definition at line 59 of file PPCSubtarget.h.

Referenced by getInstrItineraryData().

unsigned llvm::PPCSubtarget::DarwinDirective [protected]

Which cpu directive was used.

Definition at line 62 of file PPCSubtarget.h.

Referenced by getDarwinDirective().

AsmWriterFlavorTy llvm::PPCSubtarget::AsmFlavor [protected]

AsmFlavor - Which PPC asm dialect to use.

Definition at line 65 of file PPCSubtarget.h.

Referenced by getAsmFlavor(), and PPCSubtarget().

bool llvm::PPCSubtarget::IsGigaProcessor [protected]

Used by the ISel to turn in optimizations for POWER4-derived architectures.

Definition at line 68 of file PPCSubtarget.h.

Referenced by isGigaProcessor().

bool llvm::PPCSubtarget::Has64BitSupport [protected]

Definition at line 69 of file PPCSubtarget.h.

Referenced by has64BitSupport(), and PPCSubtarget().

bool llvm::PPCSubtarget::Use64BitRegs [protected]

Definition at line 70 of file PPCSubtarget.h.

Referenced by PPCSubtarget(), and use64BitRegs().

bool llvm::PPCSubtarget::IsPPC64 [protected]

Definition at line 71 of file PPCSubtarget.h.

Referenced by isELF32_ABI(), isMachoABI(), and isPPC64().

bool llvm::PPCSubtarget::HasAltivec [protected]

Definition at line 72 of file PPCSubtarget.h.

Referenced by hasAltivec().

bool llvm::PPCSubtarget::HasFSQRT [protected]

Definition at line 73 of file PPCSubtarget.h.

Referenced by hasFSQRT().

bool llvm::PPCSubtarget::HasSTFIWX [protected]

Definition at line 74 of file PPCSubtarget.h.

Referenced by hasSTFIWX().

bool llvm::PPCSubtarget::HasLazyResolverStubs [protected]

Definition at line 75 of file PPCSubtarget.h.

Referenced by hasLazyResolverStub(), PPCSubtarget(), and SetJITMode().

unsigned char llvm::PPCSubtarget::DarwinVers [protected]

DarwinVers - Nonzero if this is a darwin platform. Otherwise, the numeric version of the platform, e.g. 8 = 10.4 (Tiger), 9 = 10.5 (Leopard), etc.

Definition at line 79 of file PPCSubtarget.h.

Referenced by getDarwinVers(), isDarwin(), isDarwin9(), and PPCSubtarget().

The documentation for this class was generated from the following files:


Public Types
enum	AsmWriterFlavorTy { OldMnemonic, NewMnemonic, Unset }
Public Member Functions
	PPCSubtarget (const TargetMachine &TM, const Module &M, const std::string &FS, bool is64Bit)
void	ParseSubtargetFeatures (const std::string &FS, const std::string &CPU)
void	SetJITMode ()
unsigned	getStackAlignment () const
unsigned	getDarwinDirective () const
const InstrItineraryData &	getInstrItineraryData () const
const char *	getTargetDataString () const
bool	isPPC64 () const
bool	has64BitSupport () const
bool	use64BitRegs () const
bool	hasLazyResolverStub (const GlobalValue *GV) const
bool	hasFSQRT () const
bool	hasSTFIWX () const
bool	hasAltivec () const
bool	isGigaProcessor () const
bool	isDarwin () const
	isDarwin - True if this is any darwin platform.
bool	isDarwin9 () const
	isDarwin - True if this is darwin9 (leopard, 10.5) or above.
unsigned	getDarwinVers () const
	getDarwinVers - Return the darwin version number, 8 = tiger, 9 = leopard.
bool	isMachoABI () const
bool	isELF32_ABI () const
unsigned	getAsmFlavor () const
Protected Attributes
const TargetMachine &	TM
unsigned	StackAlignment
InstrItineraryData	InstrItins
	Selected instruction itineraries (one entry per itinerary class.).
unsigned	DarwinDirective
	Which cpu directive was used.
AsmWriterFlavorTy	AsmFlavor
	AsmFlavor - Which PPC asm dialect to use.
bool	IsGigaProcessor
	Used by the ISel to turn in optimizations for POWER4-derived architectures.
bool	Has64BitSupport
bool	Use64BitRegs
bool	IsPPC64
bool	HasAltivec
bool	HasFSQRT
bool	HasSTFIWX
bool	HasLazyResolverStubs
unsigned char	DarwinVers