R600InstrInfo.cpp File Reference

R600 Implementation of TargetInstrInfo. More...

#include "R600InstrInfo.h"
#include "AMDGPU.h"
#include "MCTargetDesc/R600MCTargetDesc.h"
#include "R600.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 unsigned	getSlotedOps (unsigned 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 28 of file R600InstrInfo.cpp.

GET_INSTRINFO_CTOR_DTOR [2/2]

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 28 of file R600InstrInfo.cpp.

GET_INSTRINFO_NAMED_OPS

#define GET_INSTRINFO_NAMED_OPS

Definition at line 30 of file R600InstrInfo.cpp.

GET_INSTRMAP_INFO

#define GET_INSTRMAP_INFO

Definition at line 29 of file R600InstrInfo.cpp.

OPERAND_CASE

#define OPERAND_CASE

(

Label

)

Value:

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

Definition at line 1250 of file R600InstrInfo.cpp.

Function Documentation

findFirstPredicateSetterFrom()

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

static

Definition at line 625 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 720 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 unsigned getSlotedOps ( unsigned  Op, unsigned  Slot  )

static

Definition at line 1262 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 378 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 642 of file R600InstrInfo.cpp.

Referenced by llvm::R600InstrInfo::analyzeBranch(), decodePCDBLOperand(), llvm::HexagonShuffler::GetPacketSummary(), llvm::HexagonMCInstrInfo::isConstExtended(), llvm::HexagonInstrInfo::isPredictedTaken(), 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 491 of file R600InstrInfo.cpp.

References getTransSwizzle().

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

isJump()

static bool isJump ( unsigned  Opcode )

static

Definition at line 638 of file R600InstrInfo.cpp.

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

isPredicateSetter()

static bool isPredicateSetter ( unsigned  Opcode )

static

Definition at line 615 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 455 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 350 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().