ARMSubtarget.cpp File Reference

#include "ARMSubtarget.h"
#include "ARMFrameLowering.h"
#include "ARMISelLowering.h"
#include "ARMInstrInfo.h"
#include "ARMSelectionDAGInfo.h"
#include "ARMMachineFunctionInfo.h"
#include "Thumb1FrameLowering.h"
#include "Thumb1InstrInfo.h"
#include "Thumb2InstrInfo.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "ARMGenSubtargetInfo.inc"

Include dependency graph for ARMSubtarget.cpp:

Go to the source code of this file.

Defines
#define	DEBUG_TYPE   "arm-subtarget"
#define	GET_SUBTARGETINFO_TARGET_DESC
#define	GET_SUBTARGETINFO_CTOR
Enumerations
enum	AlignMode
enum	ITMode { DefaultIT, RestrictedIT, NoRestrictedIT }
Functions
static cl::opt< AlignMode >	Align (cl::desc("Load/store alignment support"), cl::Hidden, cl::init(DefaultAlign), cl::values(clEnumValN(DefaultAlign,"arm-default-align","Generate unaligned accesses only on hardware/OS ""combinations that are known to support them"), clEnumValN(StrictAlign,"arm-strict-align","Disallow all unaligned memory accesses"), clEnumValN(NoStrictAlign,"arm-no-strict-align","Allow unaligned memory accesses"), clEnumValEnd))
static cl::opt< ITMode >	IT (cl::desc("IT block support"), cl::Hidden, cl::init(DefaultIT), cl::ZeroOrMore, cl::values(clEnumValN(DefaultIT,"arm-default-it","Generate IT block based on arch"), clEnumValN(RestrictedIT,"arm-restrict-it","Disallow deprecated IT based on ARMv8"), clEnumValN(NoRestrictedIT,"arm-no-restrict-it","Allow IT blocks based on ARMv7"), clEnumValEnd))
static std::string	computeDataLayout (ARMSubtarget &ST)
Variables
static cl::opt< bool >	ReserveR9 ("arm-reserve-r9", cl::Hidden, cl::desc("Reserve R9, making it unavailable as GPR"))
static cl::opt< bool >	ArmUseMOVT ("arm-use-movt", cl::init(true), cl::Hidden)
static cl::opt< bool >	UseFusedMulOps ("arm-use-mulops", cl::init(true), cl::Hidden)

---

Define Documentation

#define DEBUG_TYPE   "arm-subtarget"

Definition at line 35 of file ARMSubtarget.cpp.

#define GET_SUBTARGETINFO_CTOR

Definition at line 38 of file ARMSubtarget.cpp.

#define GET_SUBTARGETINFO_TARGET_DESC

Definition at line 37 of file ARMSubtarget.cpp.

---

Enumeration Type Documentation

enum AlignMode

Definition at line 53 of file ARMSubtarget.cpp.

enum ITMode

Enumerator:

DefaultIT
RestrictedIT
NoRestrictedIT

Definition at line 73 of file ARMSubtarget.cpp.

---

Function Documentation

static cl::opt<AlignMode> Align	(	cl::	desc"Load/store alignment support",
		cl::Hidden	,
		cl::	initDefaultAlign,
		cl::	valuesclEnumValN(DefaultAlign,"arm-default-align","Generate unaligned accesses only on hardware/OS ""combinations that are known to support them"), clEnumValN(StrictAlign,"arm-strict-align","Disallow all unaligned memory accesses"), clEnumValN(NoStrictAlign,"arm-no-strict-align","Allow unaligned memory accesses"), clEnumValEnd
	)		[static]

static std::string computeDataLayout

(

ARMSubtarget &

ST

)

[static]

Definition at line 90 of file ARMSubtarget.cpp.

References llvm::DataLayout::getManglingComponent(), llvm::ARMSubtarget::getTargetTriple(), llvm::ARMSubtarget::isAAPCS_ABI(), llvm::ARMSubtarget::isAPCS_ABI(), llvm::ARMSubtarget::isLittle(), llvm::ARMSubtarget::isTargetNaCl(), llvm::ARMSubtarget::isThumb(), and llvm::MipsISD::Ret.

static cl::opt<ITMode> IT	(	cl::	desc"IT block support",
		cl::Hidden	,
		cl::	initDefaultIT,
		cl::ZeroOrMore	,
		cl::	valuesclEnumValN(DefaultIT,"arm-default-it","Generate IT block based on arch"), clEnumValN(RestrictedIT,"arm-restrict-it","Disallow deprecated IT based on ARMv8"), clEnumValN(NoRestrictedIT,"arm-no-restrict-it","Allow IT blocks based on ARMv7"), clEnumValEnd
	)		[static]

Referenced by FindInitTrampoline(), FoldBitCast(), llvm::ConstantDataSequential::isElementTypeCompatible(), LLVMGetTargetFromName(), llvm::iplist< IVStrideUse >::remove(), llvm::InstCombiner::visitAdd(), and llvm::InstCombiner::visitCallInst().

---

Variable Documentation

cl::opt<bool> ArmUseMOVT("arm-use-movt", cl::init(true), cl::Hidden) [static]

cl::opt<bool> ReserveR9("arm-reserve-r9", cl::Hidden, cl::desc("Reserve R9, making it unavailable as GPR")) [static]

cl::opt<bool> UseFusedMulOps("arm-use-mulops", cl::init(true), cl::Hidden) [static]