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

Copyright (c) 2017 Intel Corporation

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"Software"), to deal in the Software without restriction, including
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======================= end_copyright_notice ==================================*/

#include "ImplicitArgs.hpp"
#include "Compiler/Optimizer/OpenCLPasses/KernelArgs.hpp"

#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/DerivedTypes.h>
#include <llvm/IR/Function.h>
#include <llvm/IR/Metadata.h>
#include <llvm/IR/Module.h>
#include "common/LLVMWarningsPop.hpp"

using namespace llvm;
using namespace IGC;
using namespace IGC::IGCMD;

ImplicitArg::ImplicitArg(
        const ArgType&                  argType,
        const std::string&              name,
        const ValType                   valType,
        WIAnalysis::WIDependancy        dependency,
        unsigned int                    nbElement,
        ValAlign                        align,
        bool                            isConstantBuf)
        :   m_argType(argType),
            m_name(name),
            m_valType(valType),
            m_dependency(dependency),
            m_nbElement(nbElement),
            m_align(align),
            m_isConstantBuf(isConstantBuf)
{
}

ImplicitArg::ArgType ImplicitArg::getArgType() const
{
    return m_argType;
}

const std::string& ImplicitArg::getName() const
{
    return m_name;
}

Type* ImplicitArg::getLLVMType(LLVMContext& context) const
{
    // Return the appropriate LLVM type, based on the argument value type.
    // This has two quirks:
    // 1) Pointer size depends on the data layout.
    // 2) For non-uniform arguments, m_nbElement should be used to determine
    // the allocation size, but not to determine the LLVM type, because every
    // work-item sees a scalar.
    Type* baseType = nullptr;
    switch(m_valType) 
    {
    case BYTE:
        baseType = Type::getInt8Ty(context);
        break;
    case SHORT:
        baseType = Type::getInt16Ty(context);
        break;
    case INT:
        baseType = Type::getInt32Ty(context);
        break;
    case LONG:
        baseType = Type::getInt64Ty(context);
        break;
    case FP32:
        baseType = Type::getFloatTy(context);
        break;
    case CONSTPTR:
        baseType = Type::getInt8Ty(context)->getPointerTo(ADDRESS_SPACE_CONSTANT);
        break;
    case PRIVATEPTR:
        baseType = Type::getInt8Ty(context)->getPointerTo(ADDRESS_SPACE_PRIVATE);
        break;
    case GLOBALPTR:
        baseType = Type::getInt8Ty(context)->getPointerTo(ADDRESS_SPACE_GLOBAL);
        break;
    default:
        assert(0 && "Unrecognized implicit argument type");
        return nullptr;
    }

    if (m_nbElement == 1 || m_dependency != WIAnalysis::UNIFORM)
    {
        return baseType;
    }
    else
    {
        return VectorType::get(baseType, m_nbElement);
    }
}

unsigned int ImplicitArg::getNumberElements() const 
{
    return m_nbElement;
}

VISA_Type ImplicitArg::getVISAType(const DataLayout& DL) const
{
    switch(m_valType) 
    {
    case BYTE:
        return VISA_Type::ISA_TYPE_B;
        break;
    case SHORT:
        return VISA_Type::ISA_TYPE_W;
        break;
    case INT:
        return VISA_Type::ISA_TYPE_D;
        break;
    case LONG:
        return VISA_Type::ISA_TYPE_Q;
        break;
    case FP32:
        return VISA_Type::ISA_TYPE_F;
        break;
    case CONSTPTR:
    case GLOBALPTR:
    case PRIVATEPTR:
        return getPointerSize(DL) == 4 ? VISA_Type::ISA_TYPE_UD : VISA_Type::ISA_TYPE_UQ;
    default:
        assert(0 && "Unrecognized implicit argument type");
    }

    return VISA_Type::ISA_TYPE_UD;
}
 
unsigned int ImplicitArg::getPointerSize(const DataLayout& DL) const {
  switch (m_valType) {
  case CONSTPTR:    return DL.getPointerSize(ADDRESS_SPACE_CONSTANT);
  case PRIVATEPTR:  return DL.getPointerSize(ADDRESS_SPACE_PRIVATE);
  case GLOBALPTR:   return DL.getPointerSize(ADDRESS_SPACE_GLOBAL);
  default:
    assert(false && "Unrecognized pointer type");
  }
  return 0;
}

IGC::e_alignment ImplicitArg::getAlignType(const DataLayout& DL) const
{
    switch (m_align)
    {
        case ALIGN_DWORD:
           return IGC::EALIGN_DWORD;
        case ALIGN_QWORD:
            return IGC::EALIGN_QWORD;
        case ALIGN_GRF:
           return IGC::EALIGN_GRF;
        case ALIGN_PTR:
          return getPointerSize(DL) == 4 ? IGC::EALIGN_DWORD : IGC::EALIGN_QWORD;
        default:
            assert(0 && "Uknown alignment");
    }

    return IGC::EALIGN_DWORD;
}

size_t ImplicitArg::getAlignment(const DataLayout& DL) const
{
    return IGC::alignmentSize[getAlignType(DL)];
}

WIAnalysis::WIDependancy ImplicitArg::getDependency() const {
    return m_dependency;
}

unsigned int ImplicitArg::getAllocateSize(const DataLayout& DL) const 
{
    unsigned int elemSize = 0;

    switch(m_valType) 
    {
    case BYTE:
        elemSize = 1;
        break;
    case SHORT:
        elemSize = 2;
        break;
    case INT:
        elemSize = 4;
        break;
    case LONG:
        elemSize = 8;
        break;
    case FP32:
        elemSize = 4;
        break;
    case CONSTPTR:
    case GLOBALPTR:
    case PRIVATEPTR:
        elemSize = getPointerSize(DL);
        break;
    default:
        assert(0 && "Unrecognized implicit argument type");
    }

    return m_nbElement *  elemSize;
}

bool ImplicitArg::isConstantBuf() const {
    return m_isConstantBuf;
}

ImplicitArgs::ImplicitArgs(const llvm::Function& func , const MetaDataUtils* pMdUtils) 
{
    m_funcInfoMD = pMdUtils->getFunctionsInfoItem(const_cast<llvm::Function*>(&func));
}

const ImplicitArg& ImplicitArgs::operator[](unsigned int i) const {
    return IMPLICIT_ARGS[getArgType(i)];
}

unsigned int ImplicitArgs::getArgIndex(ImplicitArg::ArgType argType) {
    assert(this->size() > 0 && "There are no implicit arguments!");
    
    // Find the first appearance of the given implicit arg type
    unsigned int implicitArgIndex = 0;
    for (implicitArgIndex = 0; implicitArgIndex < this->size(); ++implicitArgIndex) 
    {
        ImplicitArg::ArgType type = getArgType(implicitArgIndex);
        if (type == argType) 
        { 
            break;
        }
    }

    assert(implicitArgIndex < this->size() && "Implicit argument not found!");

    return implicitArgIndex;
}

bool ImplicitArgs::isImplicitArgExist(
    const IGCMD::FunctionInfoMetaDataHandle& funcInfo,
    ImplicitArg::ArgType argType)
{
    bool res = false;

    if (funcInfo->size_ImplicitArgInfoList() <= 0) //There are no implicit arguments!
        return res;

    // Find the first appearance of the given implicit arg type
    unsigned int implicitArgIndex = 0;
    for (implicitArgIndex = 0; implicitArgIndex < funcInfo->size_ImplicitArgInfoList(); ++implicitArgIndex)
    {
        ImplicitArg::ArgType type = (ImplicitArg::ArgType)
            funcInfo->getImplicitArgInfoListItem(implicitArgIndex)->getArgId();
        if (type == argType)
        {
            res = true;
            break;
        }
    }

    return res;
}

bool ImplicitArgs::isImplicitArgExist(ImplicitArg::ArgType argType)
{
    return isImplicitArgExist(m_funcInfoMD, argType);
}

bool ImplicitArgs::isImplicitArgExist(
    llvm::Function& F,
    ImplicitArg::ArgType argType,
    IGCMD::MetaDataUtils* pMdUtils)
{
    return isImplicitArgExist(pMdUtils->getFunctionsInfoItem(&F), argType);
}

unsigned int ImplicitArgs::getImageArgIndex(ImplicitArg::ArgType argType, const Argument* image) {
    assert(isImplicitImage(argType) && "Non image/sampler implicit arg!");
    return getNumberedArgIndex(argType, image->getArgNo());
}

unsigned int ImplicitArgs::getNumberedArgIndex(ImplicitArg::ArgType argType, int argNum) {
    assert((argNum >= 0) && "objectNum cannot be less than 0");

    for (int i = 0, e = m_funcInfoMD->size_ImplicitArgInfoList() ; i < e; ++i)
    {
        ArgInfoMetaDataHandle argInfo = m_funcInfoMD->getImplicitArgInfoListItem(i);
        if (argInfo->getArgId() == argType && argInfo->getExplicitArgNum() == argNum)
        {
            return i;
        }
    }

    assert(false && "No implicit argument for the given type & argNum");
    return m_funcInfoMD->size_ImplicitArgInfoList();
}

void ImplicitArgs::addImplicitArgs(llvm::Function& F, SmallVectorImpl<ImplicitArg::ArgType>& implicitArgs, MetaDataUtils* pMdUtils) {
    // Add implicit args metadata for the given function
    FunctionInfoMetaDataHandle funcInfo = pMdUtils->getFunctionsInfoItem(&F);
    for (auto arg : implicitArgs)
    {
        if (!isImplicitArgExist(F, arg, pMdUtils))
        {
            ArgInfoMetaDataHandle argMD = ArgInfoMetaDataHandle(ArgInfoMetaData::get());
            argMD->setArgId(arg);
            funcInfo->addImplicitArgInfoListItem(argMD);
        }
    }
    pMdUtils->save(F.getParent()->getContext());
}

void ImplicitArgs::addImageArgs(llvm::Function& F, ImplicitArg::ArgMap& argMap, MetaDataUtils* pMdUtils) 
{    
    FunctionInfoMetaDataHandle funcInfo = pMdUtils->getFunctionsInfoItem(&F);
    for (int i = 0; i < numImageArgTypes; ++i)
    {
        ImplicitArg::ArgValSet& argSet = argMap[IndexToArgType.at(i)];
        for (const auto& argI : argSet)
        {
            ArgInfoMetaDataHandle argMD = ArgInfoMetaDataHandle(ArgInfoMetaData::get());
            argMD->setArgId(IndexToArgType.at(i));
            argMD->setExplicitArgNum(argI);
            funcInfo->addImplicitArgInfoListItem(argMD);
        }
    }
    pMdUtils->save(F.getParent()->getContext());
}

void ImplicitArgs::addStructArgs(llvm::Function& F, const Argument* A, const ImplicitArg::StructArgList& S, MetaDataUtils* pMdUtils)
{
    FunctionInfoMetaDataHandle funcInfo = pMdUtils->getFunctionsInfoItem(&F);

    for (auto argI = S.begin(), end = S.end(); argI != end; ++argI) {
        unsigned int id = argI->first;
        unsigned int offset = argI->second;

        ArgInfoMetaDataHandle argMD = ArgInfoMetaDataHandle(ArgInfoMetaData::get());
        argMD->setExplicitArgNum(A->getArgNo());
        argMD->setArgId(id);
        argMD->setStructArgOffset(offset);
        funcInfo->addImplicitArgInfoListItem(argMD);
    }

    pMdUtils->save(F.getParent()->getContext());
}

void ImplicitArgs::addNumberedArgs(llvm::Function& F, ImplicitArg::ArgMap& argMap, IGCMD::MetaDataUtils* pMdUtils)
{
  FunctionInfoMetaDataHandle funcInfo = pMdUtils->getFunctionsInfoItem(&F);
  for (const auto& argPair : argMap)
  {
    ImplicitArg::ArgType argId = argPair.first;
    ImplicitArg::ArgValSet argSet = argPair.second;
    for (const auto& argNum : argSet)
    {
      ArgInfoMetaDataHandle argMD = ArgInfoMetaDataHandle(ArgInfoMetaData::get());
      argMD->setArgId(argId);
      argMD->setExplicitArgNum(argNum);
      funcInfo->addImplicitArgInfoListItem(argMD);
    }
  }
  pMdUtils->save(F.getParent()->getContext());
}

// Add one implicit argument for each pointer argument to global or constant buffer. 
// Note that F is the original input function (ie, without implicit arguments).
void ImplicitArgs::addBufferOffsetArgs(llvm::Function& F, IGCMD::MetaDataUtils* pMdUtils)
{
    ImplicitArg::ArgMap OffsetArgs;
    FunctionInfoMetaDataHandle funcInfoMD =
        pMdUtils->getFunctionsInfoItem(const_cast<Function*>(&F));
    for (auto& Arg : F.getArgumentList() )
    {
        Value* AV = &Arg;
        PointerType* PTy = dyn_cast<PointerType>(AV->getType());
        if (!PTy ||
            (PTy->getPointerAddressSpace() != ADDRESS_SPACE_CONSTANT &&
             PTy->getPointerAddressSpace() != ADDRESS_SPACE_GLOBAL))
        {
            continue;
        }

        int argNo = Arg.getArgNo();
        // Do not generate implicit arg for any image arguments
        KernelArg::ArgType ImgArgType;
        if (KernelArg::isImage(
            &Arg, funcInfoMD->getOpenCLArgBaseTypesItem(argNo), ImgArgType) ||
            KernelArg::isSampler(&Arg, funcInfoMD->getOpenCLArgBaseTypesItem(argNo)))
        {
            continue;
        }

        OffsetArgs[ImplicitArg::BUFFER_OFFSET].insert(argNo);
    }
    if (OffsetArgs.size() > 0)
    {
        ImplicitArgs::addNumberedArgs(F, OffsetArgs, pMdUtils);
    }
}

unsigned int ImplicitArgs::size() const { 
    return m_funcInfoMD->size_ImplicitArgInfoList();
}

bool ImplicitArgs::isImplicitImage(ImplicitArg::ArgType argType) 
{ 
    return (argType >= ImplicitArg::IMAGES_START) && (argType <= ImplicitArg::IMAGES_END);
}

bool ImplicitArgs::isImplicitStruct(ImplicitArg::ArgType argType) 
{ 
    return (argType >= ImplicitArg::STRUCT_START) && (argType <= ImplicitArg::STRUCT_END);
}

ImplicitArg::ArgType ImplicitArgs::getArgType(unsigned int index) const {
    assert(index < size() && "Index out of range");
    ArgInfoMetaDataHandle argInfo = m_funcInfoMD->getImplicitArgInfoListItem(index);
    return (ImplicitArg::ArgType)argInfo->getArgId();
}

int32_t ImplicitArgs::getExplicitArgNum(unsigned int index) const
{
    ArgInfoMetaDataHandle argInfo = m_funcInfoMD->getImplicitArgInfoListItem(index);

    if(argInfo->isExplicitArgNumHasValue())
    {
        return argInfo->getExplicitArgNum();
    }

    return -1;
}

int32_t ImplicitArgs::getStructArgOffset(unsigned int index) const
{
    ArgInfoMetaDataHandle argInfo = m_funcInfoMD->getImplicitArgInfoListItem(index);

    if (argInfo->isStructArgOffsetHasValue())
    {
        return argInfo->getStructArgOffset();
    }

    return -1;
}


TODO("Refactor code to avoid code triplication for getArgInFunc(), getImplicitArg() and WIFuncResolution::getImplicitArg()")
Argument* ImplicitArgs::getArgInFunc(llvm::Function& F, ImplicitArg::ArgType argType) {
    assert(F.getArgumentList().size() >= size() && "Invalid number of argumnents in the function!");
    
    unsigned int argIndex       =  getArgIndex(argType);
    unsigned int argIndexInFunc = F.getArgumentList().size() - size() + argIndex;
    Function::arg_iterator arg  = F.arg_begin();
    for (unsigned int i = 0; i < argIndexInFunc; ++i,  ++arg);

    return &(*arg);
}

Argument* ImplicitArgs::getImplicitArg(llvm::Function& F, ImplicitArg::ArgType argType)
{
    unsigned int numImplicitArgs = this->size();
    if (!isImplicitArgExist(argType))
        return nullptr;
    unsigned int implicitArgIndex = this->getArgIndex(argType);

    unsigned int implicitArgIndexInFunc = F.getArgumentList().size() - numImplicitArgs + implicitArgIndex;

    Function::arg_iterator arg = F.arg_begin();
    for (unsigned int i = 0; i < implicitArgIndexInFunc; ++i, ++arg);

    return &(*arg);
}

Argument* ImplicitArgs::getNumberedImplicitArg(llvm::Function& F, ImplicitArg::ArgType argType, int argNum)
{
    assert(F.getArgumentList().size() >= size() && "Invalid number of arguments in the function!");
    
    unsigned int numImplicitArgs = size();
    unsigned int implicitArgIndex = this->getNumberedArgIndex(argType, argNum);
    if (implicitArgIndex == numImplicitArgs)
      return nullptr;

    unsigned int implicitArgIndexInFunc = F.getArgumentList().size() - numImplicitArgs + implicitArgIndex;

    Function::arg_iterator arg = F.arg_begin();
    for (unsigned int i = 0; i < implicitArgIndexInFunc; ++i, ++arg);

    return &(*arg);
}

TODO("The allocation size and alignment of constBase should change according to target bitness...")

const ImplicitArg ImplicitArgs::IMPLICIT_ARGS[ImplicitArg::NUM_IMPLICIT_ARGS] = {
    // Initializing all possible implicit arguments
    ImplicitArg(ImplicitArg::R0, "r0", ImplicitArg::INT, WIAnalysis::UNIFORM, 8, ImplicitArg::ALIGN_GRF, false),


    ImplicitArg(ImplicitArg::PAYLOAD_HEADER, "payloadHeader", ImplicitArg::INT, WIAnalysis::UNIFORM, 8, ImplicitArg::ALIGN_GRF, true),
    ImplicitArg(ImplicitArg::WORK_DIM, "workDim", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::NUM_GROUPS, "numWorkGroups", ImplicitArg::INT, WIAnalysis::UNIFORM, 3, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::GLOBAL_SIZE, "globalSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 3, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::LOCAL_SIZE, "localSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 3, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::ENQUEUED_LOCAL_WORK_SIZE, "enqueuedLocalSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 3, ImplicitArg::ALIGN_DWORD, true),

    ImplicitArg(ImplicitArg::LOCAL_ID_X, "localIdX", ImplicitArg::SHORT, WIAnalysis::RANDOM, SIZE_GRF / SIZE_WORD, ImplicitArg::ALIGN_GRF, false),
    ImplicitArg(ImplicitArg::LOCAL_ID_Y, "localIdY", ImplicitArg::SHORT, WIAnalysis::RANDOM, SIZE_GRF / SIZE_WORD, ImplicitArg::ALIGN_GRF, false),
    ImplicitArg(ImplicitArg::LOCAL_ID_Z, "localIdZ", ImplicitArg::SHORT, WIAnalysis::RANDOM, SIZE_GRF / SIZE_WORD, ImplicitArg::ALIGN_GRF, false),

    ImplicitArg(ImplicitArg::CONSTANT_BASE, "constBase", ImplicitArg::CONSTPTR, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_PTR, true),
    ImplicitArg(ImplicitArg::GLOBAL_BASE, "globalBase", ImplicitArg::GLOBALPTR, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_PTR, true),
    ImplicitArg(ImplicitArg::PRIVATE_BASE, "privateBase", ImplicitArg::PRIVATEPTR, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_PTR, true),
    ImplicitArg(ImplicitArg::PRINTF_BUFFER, "printfBuffer", ImplicitArg::GLOBALPTR, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_PTR, true),

    ImplicitArg(ImplicitArg::BUFFER_OFFSET, "bufferOffset", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),

    ImplicitArg(ImplicitArg::CONSTANT_REG_FP32, "const_reg_fp32", ImplicitArg::FP32, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::CONSTANT_REG_QWORD, "const_reg_qword", ImplicitArg::LONG, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_QWORD, true),
    ImplicitArg(ImplicitArg::CONSTANT_REG_DWORD, "const_reg_dword", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::CONSTANT_REG_WORD, "const_reg_word", ImplicitArg::SHORT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::CONSTANT_REG_BYTE, "const_reg_byte", ImplicitArg::BYTE, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),

    ImplicitArg(ImplicitArg::IMAGE_HEIGHT, "imageHeigt", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::IMAGE_WIDTH, "imageWidth", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::IMAGE_DEPTH, "imageDepth", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::IMAGE_NUM_MIP_LEVELS, "imageNumMipLevels", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::IMAGE_CHANNEL_DATA_TYPE, "imageDataType", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::IMAGE_CHANNEL_ORDER, "imageOrder", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::IMAGE_SRGB_CHANNEL_ORDER, "imageSrgbOrder", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::IMAGE_ARRAY_SIZE, "imageArrSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::IMAGE_NUM_SAMPLES, "imageNumSamples", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),

    ImplicitArg(ImplicitArg::SAMPLER_ADDRESS, "smpAddress", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::SAMPLER_NORMALIZED, "smpNormalized", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::SAMPLER_SNAP_WA, "smpSnapWA", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),


    ImplicitArg(ImplicitArg::VME_MB_BLOCK_TYPE, "vmeMbBlockType", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::VME_SUBPIXEL_MODE, "vmeSubpixelMode", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::VME_SAD_ADJUST_MODE, "vmeSadAdjustMode", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::VME_SEARCH_PATH_TYPE, "vmeSearchPathType", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),

    ImplicitArg(ImplicitArg::DEVICE_ENQUEUE_DEFAULT_DEVICE_QUEUE, "deviceEnqueueDefaultDeviceQueue", ImplicitArg::GLOBALPTR, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_PTR, true),
    ImplicitArg(ImplicitArg::DEVICE_ENQUEUE_EVENT_POOL, "deviceEnqueueEventPool", ImplicitArg::GLOBALPTR, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_PTR, true),
    ImplicitArg(ImplicitArg::DEVICE_ENQUEUE_MAX_WORKGROUP_SIZE, "deviceEnqueueMaxWorkgroupSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::DEVICE_ENQUEUE_PARENT_EVENT, "deviceEnqueueParentEvent", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::DEVICE_ENQUEUE_PREFERED_WORKGROUP_MULTIPLE, "deviceEnqueuePreferedWorkgroupMultiple", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::GET_OBJECT_ID, "deviceEnqueueGetObjectId", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::GET_BLOCK_SIMD_SIZE, "deviceEnqueueGetBlockSimdSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),

    ImplicitArg(ImplicitArg::LOCAL_MEMORY_STATELESS_WINDOW_START_ADDRESS, "localMemStatelessWindowStartAddr", ImplicitArg::GLOBALPTR, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_PTR, true),
    ImplicitArg(ImplicitArg::LOCAL_MEMORY_STATELESS_WINDOW_SIZE, "localMemStatelessWindowSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),
    ImplicitArg(ImplicitArg::PRIVATE_MEMORY_STATELESS_SIZE, "PrivateMemStatelessSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 1, ImplicitArg::ALIGN_DWORD, true),

    ImplicitArg(ImplicitArg::STAGE_IN_GRID_ORIGIN, "stageInGridOrigin", ImplicitArg::INT, WIAnalysis::UNIFORM, 3, ImplicitArg::ALIGN_GRF, true),
    ImplicitArg(ImplicitArg::STAGE_IN_GRID_SIZE, "stageInGridSize", ImplicitArg::INT, WIAnalysis::UNIFORM, 3, ImplicitArg::ALIGN_GRF, true),
};

const int ImplicitArgs::numImageArgTypes = ImplicitArg::IMAGES_END - ImplicitArg::IMAGES_START + 1;

std::map<int, ImplicitArg::ArgType> ImplicitArgs::initIndexToArgMap()
{
    std::map<int, ImplicitArg::ArgType> map;
    for (int i = 0; i < ImplicitArgs::numImageArgTypes; ++i)
    {
        map[i] = (ImplicitArg::ArgType)(ImplicitArg::IMAGES_START + i);
    }
    return map;
}
const std::map<int, ImplicitArg::ArgType> ImplicitArgs::IndexToArgType = initIndexToArgMap();

