ARMInstructionSelector.cpp File Reference

This file implements the targeting of the InstructionSelector class for ARM. More...

#include "ARMRegisterBankInfo.h"
#include "ARMSubtarget.h"
#include "ARMTargetMachine.h"
#include "llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h"
#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Support/Debug.h"
#include "ARMGenGlobalISel.inc"

Go to the source code of this file.

Classes
struct	ARMInstructionSelector::CmpConstants
struct	ARMInstructionSelector::InsertInfo

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	DEBUG_TYPE   "arm-isel"
#define	GET_GLOBALISEL_PREDICATE_BITSET
#define	GET_GLOBALISEL_PREDICATES_DECL
#define	GET_GLOBALISEL_TEMPORARIES_DECL
#define	GET_GLOBALISEL_IMPL
#define	GET_GLOBALISEL_PREDICATES_INIT
#define	GET_GLOBALISEL_TEMPORARIES_INIT
#define	STORE_OPCODE(VAR, OPC)   VAR = isThumb ? ARM::t2##OPC : ARM::OPC

Functions
InstructionSelector *	llvm::createARMInstructionSelector (const ARMBaseTargetMachine &TM, const ARMSubtarget &STI, const ARMRegisterBankInfo &RBI)
static bool	selectCopy (MachineInstr &I, const TargetInstrInfo &TII, MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI, const RegisterBankInfo &RBI)
static bool	selectMergeValues (MachineInstrBuilder &MIB, const ARMBaseInstrInfo &TII, MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI, const RegisterBankInfo &RBI)
static bool	selectUnmergeValues (MachineInstrBuilder &MIB, const ARMBaseInstrInfo &TII, MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI, const RegisterBankInfo &RBI)
static std::pair< ARMCC::CondCodes, ARMCC::CondCodes >	getComparePreds (CmpInst::Predicate Pred)

Detailed Description

This file implements the targeting of the InstructionSelector class for ARM.

Todo:

This should be generated by TableGen.

Definition in file ARMInstructionSelector.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "arm-isel"

Definition at line 23 of file ARMInstructionSelector.cpp.

GET_GLOBALISEL_IMPL

#define GET_GLOBALISEL_IMPL

Definition at line 169 of file ARMInstructionSelector.cpp.

GET_GLOBALISEL_PREDICATE_BITSET

#define GET_GLOBALISEL_PREDICATE_BITSET

Definition at line 29 of file ARMInstructionSelector.cpp.

GET_GLOBALISEL_PREDICATES_DECL

#define GET_GLOBALISEL_PREDICATES_DECL

Definition at line 148 of file ARMInstructionSelector.cpp.

GET_GLOBALISEL_PREDICATES_INIT

#define GET_GLOBALISEL_PREDICATES_INIT

GET_GLOBALISEL_TEMPORARIES_DECL

#define GET_GLOBALISEL_TEMPORARIES_DECL

Definition at line 154 of file ARMInstructionSelector.cpp.

GET_GLOBALISEL_TEMPORARIES_INIT

#define GET_GLOBALISEL_TEMPORARIES_INIT

STORE_OPCODE

#define STORE_OPCODE	(		VAR,
			OPC
	)		VAR = isThumb ? ARM::t2##OPC : ARM::OPC

Function Documentation

getComparePreds()

static std::pair< ARMCC::CondCodes, ARMCC::CondCodes > getComparePreds ( CmpInst::Predicate  Pred )

static

Definition at line 394 of file ARMInstructionSelector.cpp.

References llvm::ARMCC::AL, assert(), llvm::ARMCC::EQ, llvm::CmpInst::FCMP_OEQ, llvm::CmpInst::FCMP_OGE, llvm::CmpInst::FCMP_OGT, llvm::CmpInst::FCMP_OLE, llvm::CmpInst::FCMP_OLT, llvm::CmpInst::FCMP_ONE, llvm::CmpInst::FCMP_ORD, llvm::CmpInst::FCMP_UEQ, llvm::CmpInst::FCMP_UGE, llvm::CmpInst::FCMP_UGT, llvm::CmpInst::FCMP_ULE, llvm::CmpInst::FCMP_ULT, llvm::CmpInst::FCMP_UNE, llvm::CmpInst::FCMP_UNO, llvm::ARMCC::GE, llvm::ARMCC::GT, llvm::ARMCC::HI, llvm::ARMCC::HS, llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_SGE, llvm::CmpInst::ICMP_SGT, llvm::CmpInst::ICMP_SLE, llvm::CmpInst::ICMP_SLT, llvm::CmpInst::ICMP_UGE, llvm::CmpInst::ICMP_UGT, llvm::CmpInst::ICMP_ULE, llvm::CmpInst::ICMP_ULT, llvm::ARMCC::LE, llvm::ARMCC::LO, llvm::ARMCC::LS, llvm::ARMCC::LT, llvm::ARMCC::MI, llvm::ARMCC::NE, llvm::ARMCC::PL, llvm::ARMCC::VC, and llvm::ARMCC::VS.

selectCopy()

static bool selectCopy ( MachineInstr &  I, const TargetInstrInfo &  TII, MachineRegisterInfo &  MRI, const TargetRegisterInfo &  TRI, const RegisterBankInfo &  RBI  )

static

Definition at line 213 of file ARMInstructionSelector.cpp.

References llvm::RegisterBankInfo::constrainGenericRegister(), llvm::dbgs(), I, llvm::Register::isPhysical(), LLVM_DEBUG, MRI, TII, and TRI.

selectMergeValues()

static bool selectMergeValues ( MachineInstrBuilder &  MIB, const ARMBaseInstrInfo &  TII, MachineRegisterInfo &  MRI, const TargetRegisterInfo &  TRI, const RegisterBankInfo &  RBI  )

static

Definition at line 233 of file ARMInstructionSelector.cpp.

References llvm::MachineInstrBuilder::add(), llvm::ARMCC::AL, assert(), llvm::RegisterBank::getID(), llvm::MachineInstrBuilder::getReg(), llvm::RegisterBankInfo::getRegBank(), MRI, llvm::predOps(), llvm::MachineInstr::setDesc(), TII, and TRI.

selectUnmergeValues()

static bool selectUnmergeValues ( MachineInstrBuilder &  MIB, const ARMBaseInstrInfo &  TII, MachineRegisterInfo &  MRI, const TargetRegisterInfo &  TRI, const RegisterBankInfo &  RBI  )

static

Definition at line 264 of file ARMInstructionSelector.cpp.

References llvm::MachineInstrBuilder::add(), llvm::ARMCC::AL, assert(), llvm::RegisterBank::getID(), llvm::MachineInstrBuilder::getReg(), llvm::RegisterBankInfo::getRegBank(), MRI, llvm::predOps(), llvm::MachineInstr::setDesc(), TII, and TRI.