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.

Defines
#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.

---

Define Documentation

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 28 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 1227 of file R600InstrInfo.cpp.

Referenced by getSlotedOps().

#define SRC_SEL_ROWS   11

Definition at line 271 of file R600InstrInfo.cpp.

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

---

Function Documentation

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

Definition at line 675 of file R600InstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineInstr::getOpcode(), I, isPredicateSetter(), and llvm::AArch64CC::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::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 1239 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 419 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 692 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 532 of file R600InstrInfo.cpp.

References getTransSwizzle().

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

static bool isJump

(

unsigned

Opcode

)

[static]

Definition at line 688 of file R600InstrInfo.cpp.

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

static bool isPredicateSetter

(

unsigned

Opcode

)

[static]

Definition at line 665 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 496 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 390 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().