R600InstrInfo.cpp File Reference

R600 Implementation of TargetInstrInfo. More...

#include "R600InstrInfo.h"
#include "AMDGPU.h"
#include "AMDGPUSubtarget.h"
#include "AMDGPUTargetMachine.h"
#include "R600Defines.h"
#include "R600MachineFunctionInfo.h"
#include "R600RegisterInfo.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "AMDGPUGenDFAPacketizer.inc"

Include dependency graph for R600InstrInfo.cpp:

Go to the source code of this file.

Macros
#define	GET_INSTRINFO_CTOR_DTOR
#define	SRC_SEL_ROWS   11
#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)
static bool	isConstCompatible (R600InstrInfo::BankSwizzle TransSwz, const std::vector< std::pair< int, unsigned > > &TransOps, unsigned ConstCount)
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

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 26 of file R600InstrInfo.cpp.

#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 1174 of file R600InstrInfo.cpp.

Referenced by getSlotedOps().

#define SRC_SEL_ROWS   11

Definition at line 268 of file R600InstrInfo.cpp.

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

Function Documentation

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

static

Definition at line 671 of file R600InstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineInstr::getOpcode(), I, isPredicateSetter(), and llvm::A64CC::MI.

Referenced by llvm::R600InstrInfo::InsertBranch(), and llvm::R600InstrInfo::RemoveBranch().

static MachineBasicBlock::iterator FindLastAluClause ( MachineBasicBlock &  MBB )

static

Definition at line 776 of file R600InstrInfo.cpp.

References llvm::MachineBasicBlock::end(), llvm::prior(), llvm::MachineBasicBlock::rbegin(), and llvm::MachineBasicBlock::rend().

Referenced by llvm::R600InstrInfo::InsertBranch(), and llvm::R600InstrInfo::RemoveBranch().

static unsigned getSlotedOps ( unsigned  Op, unsigned  Slot  )

static

Definition at line 1186 of file R600InstrInfo.cpp.

References llvm_unreachable, OPERAND_CASE, and llvm::LibFunc::write.

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

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

static

Definition at line 416 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, and llvm_unreachable.

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

static bool isBranch ( unsigned  Opcode )

static

Definition at line 688 of file R600InstrInfo.cpp.

Referenced by llvm::R600InstrInfo::AnalyzeBranch(), and translateImmediate().

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 529 of file R600InstrInfo.cpp.

References getTransSwizzle().

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

static bool isJump ( unsigned  Opcode )

static

Definition at line 684 of file R600InstrInfo.cpp.

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

static bool isPredicateSetter ( unsigned  Opcode )

static

Definition at line 661 of file R600InstrInfo.cpp.

Referenced by llvm::R600InstrInfo::AnalyzeBranch(), llvm::R600InstrInfo::DefinesPredicate(), and findFirstPredicateSetterFrom().

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 493 of file R600InstrInfo.cpp.

References llvm::R600InstrInfo::ALU_VEC_012_SCL_210, and llvm::R600InstrInfo::ALU_VEC_210.

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

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

static

Definition at line 387 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().