/*========================== begin_copyright_notice ============================

Copyright (C) 2017-2021 Intel Corporation

SPDX-License-Identifier: MIT

============================= end_copyright_notice ===========================*/

/*========================== begin_copyright_notice ============================

This file is distributed under the University of Illinois Open Source License.
See LICENSE.TXT for details.

============================= end_copyright_notice ===========================*/

/*========================== begin_copyright_notice ============================

Copyright (C) 2014 Advanced Micro Devices, Inc. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a
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============================= end_copyright_notice ===========================*/

// This file declares classes and functions shared by SPIR-V reader/writer.

#ifndef SPIRVINTERNAL_HPP_
#define SPIRVINTERNAL_HPP_

#define DEBUG_TYPE "spirv"

#include "libSPIRV/SPIRVUtil.h"
#include "libSPIRV/SPIRVEnum.h"
#include "libSPIRV/SPIRVError.h"
#include "libSPIRV/SPIRVType.h"

#include "common/LLVMWarningsPush.hpp"

#include "llvm/IR/Attributes.h"

#include "llvm/ADT/StringSwitch.h"
#include <llvm/Bitcode/BitcodeReader.h>
#include <llvm/Bitcode/BitcodeWriter.h>
#include "llvm/IR/Attributes.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DIBuilder.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/ToolOutputFile.h"

#include "common/LLVMWarningsPop.hpp"

#include "../../inc/common/UFO/portable_compiler.h"

#include <utility>
#include <functional>


namespace igc_spv {

using namespace llvm;

namespace kOCLTypeQualifierName {
  __attr_unused const static char *Const      = "const";
  __attr_unused const static char *Volatile   = "volatile";
  __attr_unused const static char *Restrict   = "restrict";
  __attr_unused const static char *Pipe       = "pipe";
}

template<> inline void
SPIRVMap<unsigned, Op>::init() {
#define _SPIRV_OP(x,y) add(Instruction::x, Op##y);
  /* Casts */
    _SPIRV_OP(ZExt, UConvert)
    _SPIRV_OP(SExt, SConvert)
    _SPIRV_OP(Trunc, UConvert)
    _SPIRV_OP(FPToUI, ConvertFToU)
    _SPIRV_OP(FPToSI, ConvertFToS)
    _SPIRV_OP(UIToFP, ConvertUToF)
    _SPIRV_OP(SIToFP, ConvertSToF)
    _SPIRV_OP(FPTrunc, FConvert)
    _SPIRV_OP(FPExt, FConvert)
    _SPIRV_OP(PtrToInt, ConvertPtrToU)
    _SPIRV_OP(IntToPtr, ConvertUToPtr)
    _SPIRV_OP(BitCast, Bitcast)
    _SPIRV_OP(GetElementPtr, AccessChain)
  /*Binary*/
    _SPIRV_OP(And, BitwiseAnd)
    _SPIRV_OP(Or, BitwiseOr)
    _SPIRV_OP(Xor, BitwiseXor)
    _SPIRV_OP(Add, IAdd)
    _SPIRV_OP(FAdd, FAdd)
    _SPIRV_OP(Sub, ISub)
    _SPIRV_OP(FSub, FSub)
    _SPIRV_OP(Mul, IMul)
    _SPIRV_OP(FMul, FMul)
    _SPIRV_OP(UDiv, UDiv)
    _SPIRV_OP(SDiv, SDiv)
    _SPIRV_OP(FDiv, FDiv)
    _SPIRV_OP(SRem, SRem)
    _SPIRV_OP(URem, UMod)
    _SPIRV_OP(Shl, ShiftLeftLogical)
    _SPIRV_OP(LShr, ShiftRightLogical)
    _SPIRV_OP(AShr, ShiftRightArithmetic)
#undef _SPIRV_OP
}
typedef SPIRVMap<unsigned, Op> OpCodeMap;

template<> inline void
SPIRVMap<CmpInst::Predicate, Op>::init() {
#define _SPIRV_OP(x,y) add(CmpInst::x, Op##y);
    _SPIRV_OP(FCMP_OEQ, FOrdEqual)
    _SPIRV_OP(FCMP_OGT, FOrdGreaterThan)
    _SPIRV_OP(FCMP_OGE, FOrdGreaterThanEqual)
    _SPIRV_OP(FCMP_OLT, FOrdLessThan)
    _SPIRV_OP(FCMP_OLE, FOrdLessThanEqual)
    _SPIRV_OP(FCMP_ONE, FOrdNotEqual)
    _SPIRV_OP(FCMP_ORD, Ordered)
    _SPIRV_OP(FCMP_UNO, Unordered)
    _SPIRV_OP(FCMP_UEQ, FUnordEqual)
    _SPIRV_OP(FCMP_UGT, FUnordGreaterThan)
    _SPIRV_OP(FCMP_UGE, FUnordGreaterThanEqual)
    _SPIRV_OP(FCMP_ULT, FUnordLessThan)
    _SPIRV_OP(FCMP_ULE, FUnordLessThanEqual)
    _SPIRV_OP(FCMP_UNE, FUnordNotEqual)
    _SPIRV_OP(ICMP_EQ, IEqual)
    _SPIRV_OP(ICMP_NE, INotEqual)
    _SPIRV_OP(ICMP_EQ, LogicalEqual)
    _SPIRV_OP(ICMP_NE, LogicalNotEqual)
    _SPIRV_OP(ICMP_UGT, UGreaterThan)
    _SPIRV_OP(ICMP_UGE, UGreaterThanEqual)
    _SPIRV_OP(ICMP_ULT, ULessThan)
    _SPIRV_OP(ICMP_ULE, ULessThanEqual)
    _SPIRV_OP(ICMP_SGT, SGreaterThan)
    _SPIRV_OP(ICMP_SGE, SGreaterThanEqual)
    _SPIRV_OP(ICMP_SLT, SLessThan)
    _SPIRV_OP(ICMP_SLE, SLessThanEqual)
#undef _SPIRV_OP
}
typedef SPIRVMap<CmpInst::Predicate, Op> CmpMap;

class IntBoolOpMapId;
template<> inline void
SPIRVMap<Op, Op, IntBoolOpMapId>::init() {
  add(OpIEqual,      OpLogicalEqual);
  add(OpINotEqual,   OpLogicalNotEqual);
  add(OpNot,         OpLogicalNot);
  add(OpBitwiseAnd,  OpLogicalAnd);
  add(OpBitwiseOr,   OpLogicalOr);
  add(OpBitwiseXor,  OpLogicalNotEqual);
}
typedef SPIRVMap<Op, Op, IntBoolOpMapId> IntBoolOpMap;

#define SPIR_TARGETTRIPLE32 "spir-unknown-unknown"
#define SPIR_TARGETTRIPLE64 "spir64-unknown-unknown"
#define SPIR_DATALAYOUT32 "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32"\
                          "-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v24:32:32"\
                          "-v32:32:32-v48:64:64-v64:64:64-v96:128:128"\
                          "-v128:128:128-v192:256:256-v256:256:256"\
                          "-v512:512:512-v1024:1024:1024"
#define SPIR_DATALAYOUT64 "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32"\
                          "-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v24:32:32"\
                          "-v32:32:32-v48:64:64-v64:64:64-v96:128:128"\
                          "-v128:128:128-v192:256:256-v256:256:256"\
                          "-v512:512:512-v1024:1024:1024"

enum SPIRAddressSpace {
  SPIRAS_Private,
  SPIRAS_Global,
  SPIRAS_Constant,
  SPIRAS_Local,
  SPIRAS_Generic,
  SPIRAS_Count,
  SPIRAS_Input,
};

enum OCLMemFenceKind {
  OCLMF_Local = 1,
  OCLMF_Global = 2,
  OCLMF_Image = 4,
};

enum OCLMemScopeKind {
  OCLMS_work_item,
  OCLMS_work_group,
  OCLMS_device,
  OCLMS_all_svm_devices,
  OCLMS_sub_group,
};

enum OCLMemOrderKind {
  OCLMO_relaxed,
  OCLMO_acquire,
  OCLMO_release,
  OCLMO_acq_rel,
  OCLMO_seq_cst
};

template<> inline void
SPIRVMap<SPIRAddressSpace, SPIRVStorageClassKind>::init() {
  add(SPIRAS_Private, StorageClassFunction);
  add(SPIRAS_Global, StorageClassWorkgroupGlobal);
  add(SPIRAS_Constant, StorageClassUniformConstant);
  add(SPIRAS_Local, StorageClassWorkgroupLocal);
  add(SPIRAS_Generic, StorageClassGeneric);
  add(SPIRAS_Input, StorageClassInput);
}
typedef SPIRVMap<SPIRAddressSpace, SPIRVStorageClassKind> SPIRSPIRVAddrSpaceMap;

// Maps OCL builtin function to SPIRV builtin variable.
template<> inline void
SPIRVMap<std::string, SPIRVAccessQualifierKind>::init() {
  add("read_only", AccessQualifierReadOnly);
  add("write_only", AccessQualifierWriteOnly);
  add("read_write", AccessQualifierReadWrite);
}
typedef SPIRVMap<std::string, SPIRVAccessQualifierKind> SPIRSPIRVAccessQualifierMap;

template<> inline void
SPIRVMap<std::string, Op>::init() {
#define _SPIRV_OP(x,y) add(#x, OpType##y);
    _SPIRV_OP(opencl.event_t, Event)
    _SPIRV_OP(opencl.pipe_t, Pipe)
    _SPIRV_OP(opencl.clk_event_t, DeviceEvent)
    _SPIRV_OP(opencl.reserve_id_t, ReserveId)
    _SPIRV_OP(opencl.queue_t, Queue)
#undef _SPIRV_OP
}
typedef SPIRVMap<std::string, Op> BuiltinOpaqueGenericTypeOpCodeMap;

class mapSPIRVBuiltinVariableKind;
template<> inline void
SPIRVMap<SPIRVBuiltinVariableKind, std::string, mapSPIRVBuiltinVariableKind>::init() {
#define _SPIRV_OP(x, ...) add(igc_spv::BuiltIn::x, #x);
#include "libSPIRV/SPIRVBuiltinEnum.h"
#undef _SPIRV_OP
}
typedef SPIRVMap<SPIRVBuiltinVariableKind, std::string, mapSPIRVBuiltinVariableKind> SPIRSPIRVBuiltinVariableMap;

// Maps uniqued builtin function name to SPIRV instruction.
template<> inline void
SPIRVMap<Op, std::string, SPIRVInstruction>::init() {
#define _SPIRV_OP(x) add(x, #x);
// Memory
_SPIRV_OP(OpGenericPtrMemSemantics)
// Atomics
_SPIRV_OP(OpAtomicAnd)
_SPIRV_OP(OpAtomicCompareExchange)
_SPIRV_OP(OpAtomicCompareExchangeWeak)
_SPIRV_OP(OpAtomicExchange)
_SPIRV_OP(OpAtomicFlagClear)
_SPIRV_OP(OpAtomicFlagTestAndSet)
_SPIRV_OP(OpAtomicIAdd)
_SPIRV_OP(OpAtomicIDecrement)
_SPIRV_OP(OpAtomicIIncrement)
_SPIRV_OP(OpAtomicISub)
_SPIRV_OP(OpAtomicLoad)
_SPIRV_OP(OpAtomicOr)
_SPIRV_OP(OpAtomicSMax)
_SPIRV_OP(OpAtomicSMin)
_SPIRV_OP(OpAtomicStore)
_SPIRV_OP(OpAtomicUMax)
_SPIRV_OP(OpAtomicUMin)
_SPIRV_OP(OpAtomicXor)
_SPIRV_OP(OpAtomicFMinEXT)
_SPIRV_OP(OpAtomicFMaxEXT)
_SPIRV_OP(OpAtomicFAddEXT)
_SPIRV_OP(OpDot)
_SPIRV_OP(OpGroupAsyncCopy)
_SPIRV_OP(OpGroupWaitEvents)
_SPIRV_OP(OpFOrdEqual)
_SPIRV_OP(OpFUnordNotEqual)
_SPIRV_OP(OpFOrdGreaterThan)
_SPIRV_OP(OpFOrdGreaterThanEqual)
_SPIRV_OP(OpFOrdLessThan)
_SPIRV_OP(OpFOrdLessThanEqual)
_SPIRV_OP(OpLessOrGreater)
_SPIRV_OP(OpOrdered)
_SPIRV_OP(OpUnordered)
_SPIRV_OP(OpIsFinite)
_SPIRV_OP(OpIsInf)
_SPIRV_OP(OpIsNan)
_SPIRV_OP(OpIsNormal)
_SPIRV_OP(OpSignBitSet)
_SPIRV_OP(OpAny)
_SPIRV_OP(OpAll)
// CL 2.0 kernel enqueue builtins
_SPIRV_OP(OpEnqueueMarker)
_SPIRV_OP(OpEnqueueKernel)
_SPIRV_OP(OpGetKernelNDrangeSubGroupCount)
_SPIRV_OP(OpGetKernelNDrangeMaxSubGroupSize)
_SPIRV_OP(OpGetKernelWorkGroupSize)
_SPIRV_OP(OpGetKernelPreferredWorkGroupSizeMultiple)
_SPIRV_OP(OpRetainEvent)
_SPIRV_OP(OpReleaseEvent)
_SPIRV_OP(OpCreateUserEvent)
_SPIRV_OP(OpIsValidEvent)
_SPIRV_OP(OpSetUserEventStatus)
_SPIRV_OP(OpCaptureEventProfilingInfo)
_SPIRV_OP(OpGetDefaultQueue)
_SPIRV_OP(OpBuildNDRange)
_SPIRV_OP(OpGetKernelLocalSizeForSubgroupCount)
_SPIRV_OP(OpGetKernelMaxNumSubgroups)
// Barriers
_SPIRV_OP(OpMemoryBarrier)
_SPIRV_OP(OpControlBarrier)
_SPIRV_OP(OpNamedBarrierInitialize)
_SPIRV_OP(OpMemoryNamedBarrier)
// CL 2.0 pipe builtins
_SPIRV_OP(OpReadPipe)
_SPIRV_OP(OpWritePipe)
_SPIRV_OP(OpReservedReadPipe)
_SPIRV_OP(OpReservedWritePipe)
_SPIRV_OP(OpReserveReadPipePackets)
_SPIRV_OP(OpReserveWritePipePackets)
_SPIRV_OP(OpCommitReadPipe)
_SPIRV_OP(OpCommitWritePipe)
_SPIRV_OP(OpIsValidReserveId)
_SPIRV_OP(OpGroupReserveReadPipePackets)
_SPIRV_OP(OpGroupReserveWritePipePackets)
_SPIRV_OP(OpGroupCommitReadPipe)
_SPIRV_OP(OpGroupCommitWritePipe)
_SPIRV_OP(OpGetNumPipePackets)
_SPIRV_OP(OpGetMaxPipePackets)
// Arithmetic Instructions
_SPIRV_OP(OpUMulExtended)
_SPIRV_OP(OpSMulExtended)
// Bit Instructions
_SPIRV_OP(OpBitFieldInsert)
_SPIRV_OP(OpBitFieldSExtract)
_SPIRV_OP(OpBitFieldUExtract)
_SPIRV_OP(OpBitReverse)
_SPIRV_OP(OpBitCount)
// CL 2.0 workgroup/subgroup builtins
_SPIRV_OP(OpGroupAll)
_SPIRV_OP(OpGroupAny)
_SPIRV_OP(OpGroupBroadcast)
_SPIRV_OP(OpGroupFAdd)
_SPIRV_OP(OpGroupFMax)
_SPIRV_OP(OpGroupFMin)
_SPIRV_OP(OpGroupIAdd)
_SPIRV_OP(OpGroupSMax)
_SPIRV_OP(OpGroupSMin)
_SPIRV_OP(OpGroupUMax)
_SPIRV_OP(OpGroupUMin)
// SPIR-V 1.3 non uniform subgroup builtins
_SPIRV_OP(OpGroupNonUniformElect)
_SPIRV_OP(OpGroupNonUniformAll)
_SPIRV_OP(OpGroupNonUniformAny)
_SPIRV_OP(OpGroupNonUniformAllEqual)
_SPIRV_OP(OpGroupNonUniformBroadcast)
_SPIRV_OP(OpGroupNonUniformBroadcastFirst)
_SPIRV_OP(OpGroupNonUniformBallot)
_SPIRV_OP(OpGroupNonUniformInverseBallot)
_SPIRV_OP(OpGroupNonUniformBallotBitExtract)
_SPIRV_OP(OpGroupNonUniformBallotBitCount)
_SPIRV_OP(OpGroupNonUniformBallotFindLSB)
_SPIRV_OP(OpGroupNonUniformBallotFindMSB)
_SPIRV_OP(OpGroupNonUniformShuffle)
_SPIRV_OP(OpGroupNonUniformShuffleXor)
_SPIRV_OP(OpGroupNonUniformShuffleUp)
_SPIRV_OP(OpGroupNonUniformShuffleDown)
_SPIRV_OP(OpGroupNonUniformIAdd)
_SPIRV_OP(OpGroupNonUniformFAdd)
_SPIRV_OP(OpGroupNonUniformIMul)
_SPIRV_OP(OpGroupNonUniformFMul)
_SPIRV_OP(OpGroupNonUniformSMin)
_SPIRV_OP(OpGroupNonUniformUMin)
_SPIRV_OP(OpGroupNonUniformFMin)
_SPIRV_OP(OpGroupNonUniformSMax)
_SPIRV_OP(OpGroupNonUniformUMax)
_SPIRV_OP(OpGroupNonUniformFMax)
_SPIRV_OP(OpGroupNonUniformBitwiseAnd)
_SPIRV_OP(OpGroupNonUniformBitwiseOr)
_SPIRV_OP(OpGroupNonUniformBitwiseXor)
_SPIRV_OP(OpGroupNonUniformLogicalAnd)
_SPIRV_OP(OpGroupNonUniformLogicalOr)
_SPIRV_OP(OpGroupNonUniformLogicalXor)
// CL image builtins
_SPIRV_OP(OpSampledImage)
_SPIRV_OP(OpImageSampleImplicitLod)
_SPIRV_OP(OpImageSampleExplicitLod)
_SPIRV_OP(OpImageRead)
_SPIRV_OP(OpImageWrite)
_SPIRV_OP(OpImageQuerySize)
_SPIRV_OP(OpImageQuerySizeLod)
_SPIRV_OP(OpImageQueryFormat)
_SPIRV_OP(OpImageQueryOrder)
_SPIRV_OP(OpImageQueryLevels)
_SPIRV_OP(OpImageQuerySamples)
// Conversion builtins
_SPIRV_OP(OpUConvert)
_SPIRV_OP(OpSConvert)
_SPIRV_OP(OpConvertFToU)
_SPIRV_OP(OpConvertFToS)
_SPIRV_OP(OpConvertUToF)
_SPIRV_OP(OpConvertSToF)
_SPIRV_OP(OpFConvert)
_SPIRV_OP(OpSatConvertUToS)
_SPIRV_OP(OpSatConvertSToU)
// Arithmetic Instructions
_SPIRV_OP(OpFRem)
_SPIRV_OP(OpFMod)
// Cast
_SPIRV_OP(OpGenericCastToPtrExplicit)
// Ballot extension
_SPIRV_OP(OpSubgroupBallotKHR)
_SPIRV_OP(OpSubgroupFirstInvocationKHR)
// Shader clock extension
_SPIRV_OP(OpReadClockKHR)
#undef _SPIRV_OP

#define _SPIRV_OP(x, y) add(Op##y, #x);
// Intel Subgroups builtins
_SPIRV_OP(intel_sub_group_shuffle, SubgroupShuffleINTEL)
_SPIRV_OP(intel_sub_group_shuffle_down, SubgroupShuffleDownINTEL)
_SPIRV_OP(intel_sub_group_shuffle_up, SubgroupShuffleUpINTEL)
_SPIRV_OP(intel_sub_group_shuffle_xor, SubgroupShuffleXorINTEL)
// Intel media_block_io builtins
_SPIRV_OP(intel_sub_group_media_block_read, SubgroupImageMediaBlockReadINTEL)
_SPIRV_OP(intel_sub_group_media_block_write, SubgroupImageMediaBlockWriteINTEL)
#undef _SPIRV_OP

// VME
#define _SPIRV_OP(x) add(x, #x);
_SPIRV_OP(OpVmeImageINTEL)
#undef _SPIRV_OP

#define _SPIRV_OP(x,y) \
  add(OpSubgroupAvc##y##INTEL, "intel_sub_group_avc_"#x);
// Initialization phase functions
_SPIRV_OP(ime_initialize, ImeInitialize)
_SPIRV_OP(fme_initialize, FmeInitialize)
_SPIRV_OP(bme_initialize, BmeInitialize)
_SPIRV_OP(sic_initialize, SicInitialize)

// Result and payload types conversion functions
_SPIRV_OP(mce_convert_to_ime_payload, MceConvertToImePayload)
_SPIRV_OP(mce_convert_to_ime_result, MceConvertToImeResult)
_SPIRV_OP(mce_convert_to_ref_payload, MceConvertToRefPayload)
_SPIRV_OP(mce_convert_to_ref_result, MceConvertToRefResult)
_SPIRV_OP(mce_convert_to_sic_payload, MceConvertToSicPayload)
_SPIRV_OP(mce_convert_to_sic_result, MceConvertToSicResult)
_SPIRV_OP(ime_convert_to_mce_payload, ImeConvertToMcePayload)
_SPIRV_OP(ime_convert_to_mce_result, ImeConvertToMceResult)
_SPIRV_OP(ref_convert_to_mce_payload, RefConvertToMcePayload)
_SPIRV_OP(ref_convert_to_mce_result, RefConvertToMceResult)
_SPIRV_OP(sic_convert_to_mce_payload, SicConvertToMcePayload)
_SPIRV_OP(sic_convert_to_mce_result, SicConvertToMceResult)
#undef _SPIRV_OP

// MCE instructions
#define _SPIRV_OP(x,y) \
  add(OpSubgroupAvcMce##y##INTEL, "intel_sub_group_avc_mce_"#x);
_SPIRV_OP(get_default_inter_base_multi_reference_penalty, GetDefaultInterBaseMultiReferencePenalty)
_SPIRV_OP(set_inter_base_multi_reference_penalty, SetInterBaseMultiReferencePenalty)
_SPIRV_OP(get_default_inter_shape_penalty, GetDefaultInterShapePenalty)
_SPIRV_OP(set_inter_shape_penalty, SetInterShapePenalty)
_SPIRV_OP(get_default_inter_direction_penalty, GetDefaultInterDirectionPenalty)
_SPIRV_OP(set_inter_direction_penalty, SetInterDirectionPenalty)
_SPIRV_OP(get_default_intra_luma_shape_penalty, GetDefaultIntraLumaShapePenalty)
_SPIRV_OP(get_default_inter_motion_vector_cost_table, GetDefaultInterMotionVectorCostTable)
_SPIRV_OP(get_default_high_penalty_cost_table, GetDefaultHighPenaltyCostTable)
_SPIRV_OP(get_default_medium_penalty_cost_table, GetDefaultMediumPenaltyCostTable)
_SPIRV_OP(get_default_low_penalty_cost_table, GetDefaultLowPenaltyCostTable)
_SPIRV_OP(set_motion_vector_cost_function, SetMotionVectorCostFunction)
_SPIRV_OP(get_default_intra_luma_mode_penalty, GetDefaultIntraLumaModePenalty)
_SPIRV_OP(get_default_non_dc_luma_intra_penalty, GetDefaultNonDcLumaIntraPenalty)
_SPIRV_OP(get_default_intra_chroma_mode_base_penalty, GetDefaultIntraChromaModeBasePenalty)
_SPIRV_OP(set_ac_only_haar, SetAcOnlyHaar)
_SPIRV_OP(set_source_interlaced_field_polarity, SetSourceInterlacedFieldPolarity)
_SPIRV_OP(set_single_reference_interlaced_field_polarity, SetSingleReferenceInterlacedFieldPolarity)
_SPIRV_OP(set_dual_reference_interlaced_field_polarities, SetDualReferenceInterlacedFieldPolarities)
_SPIRV_OP(get_motion_vectors, GetMotionVectors)
_SPIRV_OP(get_inter_distortions, GetInterDistortions)
_SPIRV_OP(get_best_inter_distortion, GetBestInterDistortions)
_SPIRV_OP(get_inter_major_shape, GetInterMajorShape)
_SPIRV_OP(get_inter_minor_shapes, GetInterMinorShape)
_SPIRV_OP(get_inter_directions, GetInterDirections)
_SPIRV_OP(get_inter_motion_vector_count, GetInterMotionVectorCount)
_SPIRV_OP(get_inter_reference_ids, GetInterReferenceIds)
_SPIRV_OP(get_inter_reference_interlaced_field_polarities, GetInterReferenceInterlacedFieldPolarities)
#undef _SPIRV_OP

// IME instructions
#define _SPIRV_OP(x,y) \
  add(OpSubgroupAvcIme##y##INTEL, "intel_sub_group_avc_ime_"#x);
_SPIRV_OP(set_single_reference, SetSingleReference)
_SPIRV_OP(set_dual_reference, SetDualReference)
_SPIRV_OP(ref_window_size, RefWindowSize)
_SPIRV_OP(adjust_ref_offset, AdjustRefOffset)
_SPIRV_OP(set_max_motion_vector_count, SetMaxMotionVectorCount)
_SPIRV_OP(set_unidirectional_mix_disable, SetUnidirectionalMixDisable)
_SPIRV_OP(set_early_search_termination_threshold, SetEarlySearchTerminationThreshold)
_SPIRV_OP(set_weighted_sad, SetWeightedSad)
_SPIRV_OP(evaluate_with_single_reference, EvaluateWithSingleReference)
_SPIRV_OP(evaluate_with_dual_reference, EvaluateWithDualReference)
_SPIRV_OP(evaluate_with_single_reference_streamin, EvaluateWithSingleReferenceStreamin)
_SPIRV_OP(evaluate_with_dual_reference_streamin, EvaluateWithDualReferenceStreamin)
_SPIRV_OP(evaluate_with_single_reference_streamout, EvaluateWithSingleReferenceStreamout)
_SPIRV_OP(evaluate_with_dual_reference_streamout, EvaluateWithDualReferenceStreamout)
_SPIRV_OP(evaluate_with_single_reference_streaminout, EvaluateWithSingleReferenceStreaminout)
_SPIRV_OP(evaluate_with_dual_reference_streaminout, EvaluateWithDualReferenceStreaminout)
_SPIRV_OP(get_single_reference_streamin, GetSingleReferenceStreamin)
_SPIRV_OP(get_dual_reference_streamin, GetDualReferenceStreamin)
_SPIRV_OP(strip_single_reference_streamout, StripSingleReferenceStreamout)
_SPIRV_OP(strip_dual_reference_streamout, StripDualReferenceStreamout)
_SPIRV_OP(get_border_reached, GetBorderReached)
_SPIRV_OP(get_truncated_search_indication, GetTruncatedSearchIndication)
_SPIRV_OP(get_unidirectional_early_search_termination, GetUnidirectionalEarlySearchTermination)
_SPIRV_OP(get_weighting_pattern_minimum_motion_vector, GetWeightingPatternMinimumMotionVector)
_SPIRV_OP(get_weighting_pattern_minimum_distortion, GetWeightingPatternMinimumDistortion)
#undef _SPIRV_OP

#define _SPIRV_OP(x,y) \
  add(OpSubgroupAvcImeGetStreamout##y##INTEL, \
      "intel_sub_group_avc_ime_get_streamout_major_shape_"#x);
_SPIRV_OP(motion_vectors, SingleReferenceMajorShapeMotionVectors)
_SPIRV_OP(distortions, SingleReferenceMajorShapeDistortions)
_SPIRV_OP(reference_ids, SingleReferenceMajorShapeReferenceIds)
_SPIRV_OP(motion_vectors, DualReferenceMajorShapeMotionVectors)
_SPIRV_OP(distortions, DualReferenceMajorShapeDistortions)
_SPIRV_OP(reference_ids, DualReferenceMajorShapeReferenceIds)
#undef _SPIRV_OP

// REF instructions
#define _SPIRV_OP(x,y) \
  add(OpSubgroupAvcRef##y##INTEL, "intel_sub_group_avc_ref_"#x);
_SPIRV_OP(set_bidirectional_mix_disable, SetBidirectionalMixDisable)
_SPIRV_OP(set_bilinear_filter_enable, SetBilinearFilterEnable)
_SPIRV_OP(evaluate_with_single_reference, EvaluateWithSingleReference)
_SPIRV_OP(evaluate_with_dual_reference, EvaluateWithDualReference)
_SPIRV_OP(evaluate_with_multi_reference, EvaluateWithMultiReference)
_SPIRV_OP(evaluate_with_multi_reference, EvaluateWithMultiReferenceInterlaced)
#undef _SPIRV_OP

// SIC instructions
#define _SPIRV_OP(x,y) \
  add(OpSubgroupAvcSic##y##INTEL, "intel_sub_group_avc_sic_"#x);
_SPIRV_OP(configure_skc, ConfigureSkc)
_SPIRV_OP(configure_ipe, ConfigureIpeLuma)
_SPIRV_OP(configure_ipe, ConfigureIpeLumaChroma)
_SPIRV_OP(get_motion_vector_mask, GetMotionVectorMask)
_SPIRV_OP(set_intra_luma_shape_penalty, SetIntraLumaShapePenalty)
_SPIRV_OP(set_intra_luma_mode_cost_function, SetIntraLumaModeCostFunction)
_SPIRV_OP(set_intra_chroma_mode_cost_function, SetIntraChromaModeCostFunction)
_SPIRV_OP(set_skc_bilinear_filter_enable, SetBilinearFilterEnable)
_SPIRV_OP(set_skc_forward_transform_enable, SetSkcForwardTransformEnable)
_SPIRV_OP(set_block_based_raw_skip_sad, SetBlockBasedRawSkipSad)
_SPIRV_OP(evaluate_ipe, EvaluateIpe)
_SPIRV_OP(evaluate_with_single_reference, EvaluateWithSingleReference)
_SPIRV_OP(evaluate_with_dual_reference, EvaluateWithDualReference)
_SPIRV_OP(evaluate_with_multi_reference, EvaluateWithMultiReference)
_SPIRV_OP(evaluate_with_multi_reference, EvaluateWithMultiReferenceInterlaced)
_SPIRV_OP(get_ipe_luma_shape, GetIpeLumaShape)
_SPIRV_OP(get_best_ipe_luma_distortion, GetBestIpeLumaDistortion)
_SPIRV_OP(get_best_ipe_chroma_distortion, GetBestIpeChromaDistortion)
_SPIRV_OP(get_packed_ipe_luma_modes, GetPackedIpeLumaModes)
_SPIRV_OP(get_ipe_chroma_mode, GetIpeChromaMode)
_SPIRV_OP(get_packed_skc_luma_count_threshold, GetPackedSkcLumaCountThreshold)
_SPIRV_OP(get_packed_skc_luma_sum_threshold, GetPackedSkcLumaSumThreshold)
_SPIRV_OP(get_inter_raw_sads, GetInterRawSads)
#undef _SPIRV_OP
}
typedef SPIRVMap<Op, std::string, SPIRVInstruction>
  OCLSPIRVBuiltinMap;

template<> inline void
SPIRVMap<Attribute::AttrKind, SPIRVFuncParamAttrKind>::init() {
  add(Attribute::ZExt, FunctionParameterAttributeZext);
  add(Attribute::SExt, FunctionParameterAttributeSext);
  add(Attribute::ByVal, FunctionParameterAttributeByVal);
  add(Attribute::StructRet, FunctionParameterAttributeSret);
  add(Attribute::NoAlias, FunctionParameterAttributeNoAlias);
  add(Attribute::NoCapture, FunctionParameterAttributeNoCapture);
  add(Attribute::ReadOnly, FunctionParameterAttributeNoWrite);
  add(Attribute::ReadNone, FunctionParameterAttributeNoReadWrite);
}
typedef SPIRVMap<Attribute::AttrKind, SPIRVFuncParamAttrKind>
  SPIRSPIRVFuncParamAttrMap;

template<> inline void
SPIRVMap<Attribute::AttrKind, SPIRVFunctionControlMaskKind>::init() {
  add(Attribute::ReadNone, FunctionControlPureMask);
  add(Attribute::ReadOnly, FunctionControlConstMask);
  add(Attribute::AlwaysInline, FunctionControlInlineMask);
  add(Attribute::NoInline, FunctionControlDontInlineMask);
  add(Attribute::OptimizeNone, FunctionControlOptNoneINTELMask);
}
typedef SPIRVMap<Attribute::AttrKind, SPIRVFunctionControlMaskKind>
  SPIRSPIRVFuncCtlMaskMap;

template<> inline void
SPIRVMap<OCLMemFenceKind, MemorySemanticsMask>::init() {
  add(OCLMF_Local, MemorySemanticsWorkgroupLocalMemoryMask);
  add(OCLMF_Global, MemorySemanticsWorkgroupGlobalMemoryMask);
  add(OCLMF_Image, MemorySemanticsImageMemoryMask);
}
typedef SPIRVMap<OCLMemFenceKind, MemorySemanticsMask>
  OCLMemFenceMap;

template<> inline void
SPIRVMap<OCLMemOrderKind, unsigned, MemorySemanticsMask>::init() {
  add(OCLMO_relaxed, MemorySemanticsMaskNone); //old MemorySemanticsRelaxedMask
  add(OCLMO_acquire, MemorySemanticsAcquireMask);
  add(OCLMO_release, MemorySemanticsReleaseMask);
  add(OCLMO_acq_rel, MemorySemanticsAcquireMask|MemorySemanticsReleaseMask);
  add(OCLMO_seq_cst, MemorySemanticsSequentiallyConsistentMask);
}
typedef SPIRVMap<OCLMemOrderKind, unsigned, MemorySemanticsMask>
  OCLMemOrderMap;

inline unsigned mapOCLMemSemanticToSPIRV(unsigned MemFenceFlag,
    OCLMemOrderKind Order) {
  return OCLMemOrderMap::map(Order) |
      mapBitMask<OCLMemFenceMap>(MemFenceFlag);
}

inline std::pair<unsigned, OCLMemOrderKind>
mapSPIRVMemSemanticToOCL(unsigned Sema) {
  return std::make_pair(rmapBitMask<OCLMemFenceMap>(Sema),
    OCLMemOrderMap::rmap(Sema & 0xF));
}

inline OCLMemOrderKind
mapSPIRVMemOrderToOCL(unsigned Sema) {
  return OCLMemOrderMap::rmap(Sema & 0xF);
}

template<> inline void
SPIRVMap<OCLMemScopeKind, Scope>::init() {
  add(OCLMS_work_item, ScopeInvocation);
  add(OCLMS_work_group, ScopeWorkgroup);
  add(OCLMS_device, ScopeDevice);
  add(OCLMS_all_svm_devices, ScopeCrossDevice);
  add(OCLMS_sub_group, ScopeSubgroup);
}
typedef SPIRVMap<OCLMemScopeKind, Scope>
  OCLMemScopeMap;

template<> inline void
SPIRVMap<std::string, SPIRVGroupOperationKind>::init() {
#define _SPIRV_OP(x,y) add(#x, igc_spv::GroupOperation::y);
_SPIRV_OP(reduce, GroupOperationReduce)
_SPIRV_OP(scan_inclusive, GroupOperationInclusiveScan)
_SPIRV_OP(scan_exclusive, GroupOperationExclusiveScan)
_SPIRV_OP(clustered_reduce, GroupOperationClusteredReduce)
#undef _SPIRV_OP
}
typedef SPIRVMap<std::string, SPIRVGroupOperationKind>
  SPIRSPIRVGroupOperationMap;


template<> inline void
SPIRVMap<std::string, SPIRVFPRoundingModeKind>::init() {
#define _SPIRV_OP(x,y) add("rt"#x, SPIRVFPRoundingModeKind::y);
_SPIRV_OP(e, FPRoundingModeRTE)
_SPIRV_OP(z, FPRoundingModeRTZ)
_SPIRV_OP(p, FPRoundingModeRTP)
_SPIRV_OP(n, FPRoundingModeRTN)
#undef _SPIRV_OP
}
typedef SPIRVMap<std::string, SPIRVFPRoundingModeKind>
  SPIRSPIRVFPRoundingModeMap;

#define SPIR_MD_KERNELS                     "opencl.kernels"
#define SPIR_MD_KERNEL_ARG_ADDR_SPACE       "kernel_arg_addr_space"
#define SPIR_MD_KERNEL_ARG_ACCESS_QUAL      "kernel_arg_access_qual"
#define SPIR_MD_KERNEL_ARG_TYPE             "kernel_arg_type"
#define SPIR_MD_KERNEL_ARG_BASE_TYPE        "kernel_arg_base_type"
#define SPIR_MD_KERNEL_ARG_TYPE_QUAL        "kernel_arg_type_qual"
#define SPIR_MD_KERNEL_ARG_NAME             "kernel_arg_name"

namespace kLLVMName {
  const static char builtinPrefix[] = "__builtin_spirv_";
  const static char builtinExtInstPrefixOpenCL[] = "__builtin_spirv_OpenCL_";
}

namespace kSPIRVTypeName {
  const static char Delimiter   = '.';
  const static char SampledImage[] = "OpTypeSampledImage";
  const static char Sampler[] = "OpTypeSampler";
  const static char Image[] = "OpTypeImage";
  const static char Pipe[] = "OpTypePipe";
}

namespace kSPR2TypeName {
  const static char Delimiter   = '.';
  const static char OCLPrefix[]   = "opencl.";
  const static char ImagePrefix[] = "opencl.image";
  const static char Sampler[]     = "opencl.sampler_t";
  const static char Event[]       = "opencl.event_t";
}

namespace kAccessQualName {
  const static char ReadOnly[]    = "read_only";
  const static char WriteOnly[]   = "write_only";
  const static char ReadWrite[]   = "read_write";
}

namespace kSPIRVMD {
  const static char Capability[]        = "spirv.Capability";
  const static char Extension[]         = "spirv.Extension";
  const static char Source[]            = "spirv.Source";
  const static char SourceExtension[]   = "spirv.SourceExtension";
  const static char MemoryModel[]       = "spirv.MemoryModel";
  const static char EntryPoint[]        = "spirv.EntryPoint";
  const static char ExecutionMode[]     = "spirv.ExecutionMode";
}

namespace kSPIR2MD {
  const static char Extensions[]        = "opencl.used.extensions";
  const static char FPContract[]        = "opencl.enable.FP_CONTRACT";
  const static char OCLVer[]            = "opencl.ocl.version";
  const static char OptFeatures[]       = "opencl.used.optional.core.features";
  const static char SPIRVer[]           = "opencl.spir.version";
  const static char VecTyHint[]         = "vec_type_hint";
  const static char WGSize[]            = "reqd_work_group_size";
  const static char ReqdSubgroupSize[]  = "intel_reqd_sub_group_size";
  const static char WGSizeHint[]        = "work_group_size_hint";
}

enum Spir2SamplerKind {
  CLK_ADDRESS_NONE            = 0x0000,
  CLK_ADDRESS_CLAMP           = 0x0004,
  CLK_ADDRESS_CLAMP_TO_EDGE   = 0x0002,
  CLK_ADDRESS_REPEAT          = 0x0006,
  CLK_ADDRESS_MIRRORED_REPEAT = 0x0008,
  CLK_NORMALIZED_COORDS_FALSE = 0x0000,
  CLK_NORMALIZED_COORDS_TRUE  = 0x0001,
  CLK_FILTER_NEAREST          = 0x0010,
  CLK_FILTER_LINEAR           = 0x0020,
};

namespace OclExt {
enum Kind {
#define _SPIRV_OP(x) x,
  _SPIRV_OP(cl_images)
  _SPIRV_OP(cl_doubles)
  _SPIRV_OP(cl_khr_int64_base_atomics)
  _SPIRV_OP(cl_khr_int64_extended_atomics)
  _SPIRV_OP(cl_khr_fp16)
  _SPIRV_OP(cl_khr_gl_sharing)
  _SPIRV_OP(cl_khr_gl_event)
  _SPIRV_OP(cl_khr_d3d10_sharing)
  _SPIRV_OP(cl_khr_media_sharing)
  _SPIRV_OP(cl_khr_d3d11_sharing)
  _SPIRV_OP(cl_khr_global_int32_base_atomics)
  _SPIRV_OP(cl_khr_global_int32_extended_atomics)
  _SPIRV_OP(cl_khr_local_int32_base_atomics)
  _SPIRV_OP(cl_khr_local_int32_extended_atomics)
  _SPIRV_OP(cl_khr_byte_addressable_store)
  _SPIRV_OP(cl_khr_3d_image_writes)
  _SPIRV_OP(cl_khr_gl_msaa_sharing)
  _SPIRV_OP(cl_khr_depth_images)
  _SPIRV_OP(cl_khr_gl_depth_images)
  _SPIRV_OP(cl_khr_subgroups)
  _SPIRV_OP(cl_khr_mipmap_image)
  _SPIRV_OP(cl_khr_mipmap_image_writes)
  _SPIRV_OP(cl_khr_egl_event)
  _SPIRV_OP(cl_khr_srgb_image_writes)
#undef _SPIRV_OP
};
}

template<> inline void
SPIRVMap<OclExt::Kind, std::string>::init() {
#define _SPIRV_OP(x) add(OclExt::x, #x);
  _SPIRV_OP(cl_images)
  _SPIRV_OP(cl_doubles)
  _SPIRV_OP(cl_khr_int64_base_atomics)
  _SPIRV_OP(cl_khr_int64_extended_atomics)
  _SPIRV_OP(cl_khr_fp16)
  _SPIRV_OP(cl_khr_gl_sharing)
  _SPIRV_OP(cl_khr_gl_event)
  _SPIRV_OP(cl_khr_d3d10_sharing)
  _SPIRV_OP(cl_khr_media_sharing)
  _SPIRV_OP(cl_khr_d3d11_sharing)
  _SPIRV_OP(cl_khr_global_int32_base_atomics)
  _SPIRV_OP(cl_khr_global_int32_extended_atomics)
  _SPIRV_OP(cl_khr_local_int32_base_atomics)
  _SPIRV_OP(cl_khr_local_int32_extended_atomics)
  _SPIRV_OP(cl_khr_byte_addressable_store)
  _SPIRV_OP(cl_khr_3d_image_writes)
  _SPIRV_OP(cl_khr_gl_msaa_sharing)
  _SPIRV_OP(cl_khr_depth_images)
  _SPIRV_OP(cl_khr_gl_depth_images)
  _SPIRV_OP(cl_khr_subgroups)
  _SPIRV_OP(cl_khr_mipmap_image)
  _SPIRV_OP(cl_khr_mipmap_image_writes)
  _SPIRV_OP(cl_khr_egl_event)
  _SPIRV_OP(cl_khr_srgb_image_writes)
#undef _SPIRV_OP
};

template<> inline void
SPIRVMap<OclExt::Kind, SPIRVCapabilityKind>::init() {
#define _SPIRV_OP(x,y) add(OclExt::x, SPIRVCapabilityKind::y);
  _SPIRV_OP(cl_images, CapabilityImageBasic)
  _SPIRV_OP(cl_doubles, CapabilityFloat64)
  _SPIRV_OP(cl_khr_int64_base_atomics, CapabilityInt64Atomics)
  _SPIRV_OP(cl_khr_int64_extended_atomics, CapabilityInt64Atomics)
  _SPIRV_OP(cl_khr_fp16, CapabilityFloat16)
  _SPIRV_OP(cl_khr_gl_sharing, CapabilityNone)
  _SPIRV_OP(cl_khr_gl_event, CapabilityNone)
  _SPIRV_OP(cl_khr_d3d10_sharing, CapabilityNone)
  _SPIRV_OP(cl_khr_media_sharing, CapabilityNone)
  _SPIRV_OP(cl_khr_d3d11_sharing, CapabilityNone)
  _SPIRV_OP(cl_khr_global_int32_base_atomics, CapabilityNone)
  _SPIRV_OP(cl_khr_global_int32_extended_atomics, CapabilityNone)
  _SPIRV_OP(cl_khr_local_int32_base_atomics, CapabilityNone)
  _SPIRV_OP(cl_khr_local_int32_extended_atomics, CapabilityNone)
  _SPIRV_OP(cl_khr_byte_addressable_store, CapabilityNone)
  _SPIRV_OP(cl_khr_3d_image_writes, CapabilityImageReadWrite)
  _SPIRV_OP(cl_khr_gl_msaa_sharing, CapabilityNone)
  _SPIRV_OP(cl_khr_depth_images, CapabilityNone)
  _SPIRV_OP(cl_khr_gl_depth_images, CapabilityNone)
  _SPIRV_OP(cl_khr_subgroups, CapabilityGroups)
  _SPIRV_OP(cl_khr_mipmap_image, CapabilityImageMipmap)
  _SPIRV_OP(cl_khr_mipmap_image_writes, CapabilityImageMipmap)
  _SPIRV_OP(cl_khr_egl_event, CapabilityNone)
  _SPIRV_OP(cl_khr_srgb_image_writes, CapabilityImageSRGBWrite)
#undef _SPIRV_OP
};

/// \returns a vector of types for a collection of values.
template<class T>
std::vector<Type *>
getTypes(T V) {
  std::vector<Type *> Tys;
  for (auto &I:V)
    Tys.push_back(I->getType());
  return Tys;
}

void saveLLVMModule(Module *M, const std::string &OutputFile);

PointerType *getOrCreateOpaquePtrType(Module *M, const std::string &Name,
    unsigned AddrSpace = SPIRAS_Global);
void getFunctionTypeParameterTypes(llvm::FunctionType* FT,
    std::vector<Type*>& ArgTys);
Function *getOrCreateFunction(Module *M, Type *RetTy,
    ArrayRef<Type *> ArgTypes, StringRef Name, bool Mangle = false,
    AttributeList *Attrs = nullptr, bool takeName = true);
std::vector<Value *> getArguments(CallInst* CI);

void decorateSPIRVBuiltin(std::string &S);
void decorateSPIRVBuiltin(std::string &S, std::vector<Type*> ArgTypes);
void decorateSPIRVExtInst(std::string &S, std::vector<Type*> ArgTypes);

/// Check if a builtin function
bool isFunctionBuiltin(llvm::Function* F);

/// Get a canonical function name for a SPIR-V op code.
std::string getSPIRVBuiltinName(Op OC, SPIRVInstruction *BI, std::vector<Type*> ArgTypes, std::string suffix);

/// Mutates function call instruction by changing the arguments.
/// \param ArgMutate mutates the function arguments.
/// \return mutated call instruction.
CallInst *mutateCallInst(Module *M, CallInst *CI,
    std::function<std::string (CallInst *, std::vector<Value *> &)>ArgMutate,
    bool Mangle = false, AttributeList *Attrs = nullptr, bool takeName = true);

/// Mutate function by change the arguments.
/// \param ArgMutate mutates the function arguments.
void mutateFunction(Function *F,
    std::function<std::string (CallInst *, std::vector<Value *> &)>ArgMutate,
    bool Builtin , AttributeList *Attrs = nullptr, bool takeName = true);

/// Add a call instruction at \p Pos.
CallInst *addCallInst(Module *M, StringRef FuncName, Type *RetTy,
    ArrayRef<Value *> Args, AttributeList *Attrs, Instruction *Pos,
    bool Builtin, StringRef InstName, bool TakeFuncName = true);

/// Get a 64 bit integer constant.
ConstantInt *getInt64(Module *M, int64_t value);

/// Get a 32 bit integer constant.
ConstantInt *getInt32(Module *M, int value);

/// Decode OpenCL version which is encoded as Major*10^5+Minor*10^3+Rev
std::tuple<unsigned short, unsigned char, unsigned char>
decodeOCLVer(unsigned Ver);

}

#endif
