R600 Implementation of TargetInstrInfo. More...

#include "R600InstrInfo.h"
#include "AMDGPU.h"
#include "AMDGPUInstrInfo.h"
#include "AMDGPUSubtarget.h"
#include "R600Defines.h"
#include "R600FrameLowering.h"
#include "R600RegisterInfo.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <cstring>
#include <iterator>
#include <utility>
#include <vector>
#include "R600GenDFAPacketizer.inc"
#include "R600GenInstrInfo.inc"

Include dependency graph for R600InstrInfo.cpp:

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. More...

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. More...

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 50 of file R600InstrInfo.cpp.

◆ GET_INSTRINFO_CTOR_DTOR [2/2]

#define GET_INSTRINFO_CTOR_DTOR

Definition at line 50 of file R600InstrInfo.cpp.

◆ GET_INSTRINFO_NAMED_OPS

#define GET_INSTRINFO_NAMED_OPS

Definition at line 52 of file R600InstrInfo.cpp.

◆ GET_INSTRMAP_INFO

#define GET_INSTRMAP_INFO

Definition at line 51 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 1280 of file R600InstrInfo.cpp.

Referenced by getSlotedOps().

Function Documentation

◆ findFirstPredicateSetterFrom()

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

static

Definition at line 653 of file R600InstrInfo.cpp.

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

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

◆ FindLastAluClause()

static MachineBasicBlock::iterator FindLastAluClause ( MachineBasicBlock & MBB )

static

Definition at line 747 of file R600InstrInfo.cpp.

References E, llvm::MachineBasicBlock::end(), llvm::MachineInstrBundleIterator< Ty, IsReverse >::getReverse(), 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 1292 of file R600InstrInfo.cpp.

References llvm_unreachable, OPERAND_CASE, and write().

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

◆ getTransSwizzle()

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

static

Definition at line 404 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().

◆ isBranch()

static bool isBranch ( unsigned Opcode )

static

Definition at line 670 of file R600InstrInfo.cpp.

Referenced by llvm::R600InstrInfo::analyzeBranch(), llvm::HexagonShuffler::check(), llvm::MCInstrDesc::isConditionalBranch(), llvm::HexagonInstrInfo::isNewValueJump(), llvm::HexagonInstrInfo::isPredictedTaken(), llvm::MCInstrDesc::isUnconditionalBranch(), llvm::HexagonInstrInfo::reverseBranchCondition(), and translateImmediate().

◆ 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 516 of file R600InstrInfo.cpp.

References getTransSwizzle().

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

◆ isJump()

static bool isJump ( unsigned Opcode )

static

Definition at line 666 of file R600InstrInfo.cpp.

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

◆ isPredicateSetter()

static bool isPredicateSetter ( unsigned Opcode )

static

Definition at line 643 of file R600InstrInfo.cpp.

Referenced by llvm::R600InstrInfo::analyzeBranch(), llvm::R600InstrInfo::DefinesPredicate(), 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 480 of file R600InstrInfo.cpp.

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

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