R600InstrInfo.cpp File Reference

R600 Implementation of TargetInstrInfo. More...

#include "R600InstrInfo.h"
#include "MCTargetDesc/R600MCTargetDesc.h"
#include "R600Defines.h"
#include "R600Subtarget.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "R600GenDFAPacketizer.inc"
#include "R600GenInstrInfo.inc"

Go to the source code of this file.

Macros
#define	GET_INSTRINFO_CTOR_DTOR
#define	GET_INSTRINFO_CTOR_DTOR
#define	GET_INSTRMAP_INFO
#define	GET_INSTRINFO_NAMED_OPS
#define	OPERAND_CASE(Label)

Functions
static std::vector< std::pair< int, unsigned > >	Swizzle (std::vector< std::pair< int, unsigned > > Src, R600InstrInfo::BankSwizzle Swz)
static unsigned	getTransSwizzle (R600InstrInfo::BankSwizzle Swz, unsigned Op)
static bool	NextPossibleSolution (std::vector< R600InstrInfo::BankSwizzle > &SwzCandidate, unsigned Idx)
	Given a swizzle sequence SwzCandidate and an index Idx, returns the next (in lexicographic term) swizzle sequence assuming that all swizzles after Idx can be skipped.
static bool	isConstCompatible (R600InstrInfo::BankSwizzle TransSwz, const std::vector< std::pair< int, unsigned > > &TransOps, unsigned ConstCount)
	Instructions in Trans slot can't read gpr at cycle 0 if they also read a const, and can't read a gpr at cycle 1 if they read 2 const.
static bool	isPredicateSetter (unsigned Opcode)
static MachineInstr *	findFirstPredicateSetterFrom (MachineBasicBlock &MBB, MachineBasicBlock::iterator I)
static bool	isJump (unsigned Opcode)
static bool	isBranch (unsigned Opcode)
static MachineBasicBlock::iterator	FindLastAluClause (MachineBasicBlock &MBB)
static R600::OpName	getSlotedOps (R600::OpName Op, unsigned Slot)

Detailed Description

R600 Implementation of TargetInstrInfo.

Definition in file R600InstrInfo.cpp.

Macro Definition Documentation

GET_INSTRINFO_CTOR_DTOR [1/2]

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 26 of file R600InstrInfo.cpp.

GET_INSTRINFO_CTOR_DTOR [2/2]

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 26 of file R600InstrInfo.cpp.

GET_INSTRINFO_NAMED_OPS

#define GET_INSTRINFO_NAMED_OPS

Definition at line 28 of file R600InstrInfo.cpp.

GET_INSTRMAP_INFO

#define GET_INSTRMAP_INFO

Definition at line 27 of file R600InstrInfo.cpp.

OPERAND_CASE

#define OPERAND_CASE

(

Label

)

Value:

  case Label: {                                                                \
    static const R600::OpName Ops[] = {Label##_X, Label##_Y, Label##_Z,        \
                                       Label##_W};                             \
    return Ops[Slot];                                                          \
  }

Definition at line 1241 of file R600InstrInfo.cpp.

Function Documentation

findFirstPredicateSetterFrom()

static MachineInstr * findFirstPredicateSetterFrom ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  I  )

static

Definition at line 615 of file R600InstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), I, isPredicateSetter(), MBB, and MI.

Referenced by llvm::R600InstrInfo::insertBranch(), and llvm::R600InstrInfo::removeBranch().

FindLastAluClause()

static MachineBasicBlock::iterator FindLastAluClause ( MachineBasicBlock &  MBB )

static

Definition at line 710 of file R600InstrInfo.cpp.

References llvm::MachineBasicBlock::end(), llvm::MachineInstrBundleIterator< Ty, IsReverse >::getReverse(), MBB, llvm::MachineBasicBlock::rbegin(), and llvm::MachineBasicBlock::rend().

Referenced by llvm::R600InstrInfo::insertBranch(), and llvm::R600InstrInfo::removeBranch().

getSlotedOps()

static R600::OpName getSlotedOps ( R600::OpName  Op, unsigned  Slot  )

static

Definition at line 1248 of file R600InstrInfo.cpp.

References llvm_unreachable, and OPERAND_CASE.

Referenced by llvm::R600InstrInfo::buildSlotOfVectorInstruction().

getTransSwizzle()

static unsigned getTransSwizzle ( R600InstrInfo::BankSwizzle  Swz, unsigned  Op  )

static

Definition at line 368 of file R600InstrInfo.cpp.

References llvm::R600InstrInfo::ALU_VEC_012_SCL_210, llvm::R600InstrInfo::ALU_VEC_021_SCL_122, llvm::R600InstrInfo::ALU_VEC_102_SCL_221, llvm::R600InstrInfo::ALU_VEC_120_SCL_212, assert(), and llvm_unreachable.

Referenced by isConstCompatible(), and llvm::R600InstrInfo::isLegalUpTo().

isBranch()

static bool isBranch ( unsigned  Opcode )

static

Definition at line 632 of file R600InstrInfo.cpp.

Referenced by llvm::R600InstrInfo::analyzeBranch(), decodePCDBLOperand(), llvm::HexagonShuffler::GetPacketSummary(), llvm::HexagonMCInstrInfo::isConstExtended(), llvm::HexagonInstrInfo::isPredictedTaken(), llvm::MCInstrAnalysis::mayAffectControlFlow(), llvm::HexagonInstrInfo::reverseBranchCondition(), translateImmediate(), and tryAddingSymbolicOperand().

isConstCompatible()

static bool isConstCompatible ( R600InstrInfo::BankSwizzle  TransSwz, const std::vector< std::pair< int, unsigned > > &  TransOps, unsigned  ConstCount  )

static

Instructions in Trans slot can't read gpr at cycle 0 if they also read a const, and can't read a gpr at cycle 1 if they read 2 const.

Definition at line 481 of file R600InstrInfo.cpp.

References getTransSwizzle().

Referenced by llvm::R600InstrInfo::fitsReadPortLimitations().

isJump()

static bool isJump ( unsigned  Opcode )

static

Definition at line 628 of file R600InstrInfo.cpp.

Referenced by llvm::R600InstrInfo::analyzeBranch().

isPredicateSetter()

static bool isPredicateSetter ( unsigned  Opcode )

static

Definition at line 605 of file R600InstrInfo.cpp.

Referenced by llvm::R600InstrInfo::analyzeBranch(), llvm::R600InstrInfo::ClobbersPredicate(), and findFirstPredicateSetterFrom().

NextPossibleSolution()

static bool NextPossibleSolution ( std::vector< R600InstrInfo::BankSwizzle > &  SwzCandidate, unsigned  Idx  )

static

Given a swizzle sequence SwzCandidate and an index Idx, returns the next (in lexicographic term) swizzle sequence assuming that all swizzles after Idx can be skipped.

Definition at line 445 of file R600InstrInfo.cpp.

References llvm::R600InstrInfo::ALU_VEC_012_SCL_210, llvm::R600InstrInfo::ALU_VEC_210, assert(), and Idx.

Referenced by llvm::R600InstrInfo::FindSwizzleForVectorSlot().

Swizzle()

static std::vector< std::pair< int, unsigned > > Swizzle ( std::vector< std::pair< int, unsigned > >  Src, R600InstrInfo::BankSwizzle  Swz  )

static

Definition at line 340 of file R600InstrInfo.cpp.

References llvm::R600InstrInfo::ALU_VEC_012_SCL_210, llvm::R600InstrInfo::ALU_VEC_021_SCL_122, llvm::R600InstrInfo::ALU_VEC_102_SCL_221, llvm::R600InstrInfo::ALU_VEC_120_SCL_212, llvm::R600InstrInfo::ALU_VEC_201, llvm::R600InstrInfo::ALU_VEC_210, and std::swap().

Referenced by llvm::R600InstrInfo::isLegalUpTo().