| #include "slang_rs_export_type.h" |
| |
| #include <vector> |
| |
| #include "llvm/Type.h" |
| #include "llvm/DerivedTypes.h" |
| |
| #include "llvm/ADT/StringExtras.h" |
| #include "llvm/Target/TargetData.h" |
| |
| #include "clang/AST/RecordLayout.h" |
| |
| #include "slang_rs_context.h" |
| #include "slang_rs_export_element.h" |
| |
| using namespace slang; |
| |
| /****************************** RSExportType ******************************/ |
| bool RSExportType::NormalizeType(const clang::Type *&T, |
| llvm::StringRef &TypeName) { |
| llvm::SmallPtrSet<const clang::Type*, 8> SPS = |
| llvm::SmallPtrSet<const clang::Type*, 8>(); |
| |
| if ((T = RSExportType::TypeExportable(T, SPS)) == NULL) |
| // TODO(zonr): warn that type not exportable. |
| return false; |
| |
| // Get type name |
| TypeName = RSExportType::GetTypeName(T); |
| if (TypeName.empty()) |
| // TODO(zonr): warning that the type is unnamed. |
| return false; |
| |
| return true; |
| } |
| |
| const clang::Type |
| *RSExportType::GetTypeOfDecl(const clang::DeclaratorDecl *DD) { |
| if (DD) { |
| clang::QualType T; |
| if (DD->getTypeSourceInfo()) |
| T = DD->getTypeSourceInfo()->getType(); |
| else |
| T = DD->getType(); |
| |
| if (T.isNull()) |
| return NULL; |
| else |
| return T.getTypePtr(); |
| } |
| return NULL; |
| } |
| |
| llvm::StringRef RSExportType::GetTypeName(const clang::Type* T) { |
| T = GET_CANONICAL_TYPE(T); |
| if (T == NULL) |
| return llvm::StringRef(); |
| |
| switch (T->getTypeClass()) { |
| case clang::Type::Builtin: { |
| const clang::BuiltinType *BT = UNSAFE_CAST_TYPE(clang::BuiltinType, T); |
| |
| switch (BT->getKind()) { |
| // Compiler is smart enough to optimize following *big if branches* |
| // since they all become "constant comparison" after macro expansion |
| #define SLANG_RS_SUPPORT_BUILTIN_TYPE(builtin_type, type) \ |
| case builtin_type: { \ |
| if (type == RSExportPrimitiveType::DataTypeFloat32) \ |
| return "float"; \ |
| else if (type == RSExportPrimitiveType::DataTypeFloat64) \ |
| return "double"; \ |
| else if (type == RSExportPrimitiveType::DataTypeUnsigned8) \ |
| return "uchar"; \ |
| else if (type == RSExportPrimitiveType::DataTypeUnsigned16) \ |
| return "ushort"; \ |
| else if (type == RSExportPrimitiveType::DataTypeUnsigned32) \ |
| return "uint"; \ |
| else if (type == RSExportPrimitiveType::DataTypeSigned8) \ |
| return "char"; \ |
| else if (type == RSExportPrimitiveType::DataTypeSigned16) \ |
| return "short"; \ |
| else if (type == RSExportPrimitiveType::DataTypeSigned32) \ |
| return "int"; \ |
| else if (type == RSExportPrimitiveType::DataTypeSigned64) \ |
| return "long"; \ |
| else if (type == RSExportPrimitiveType::DataTypeBoolean) \ |
| return "bool"; \ |
| else \ |
| assert(false && "Unknow data type of supported builtin"); \ |
| break; \ |
| } |
| #include "slang_rs_export_type_support.inc" |
| |
| default: { |
| assert(false && "Unknown data type of the builtin"); |
| break; |
| } |
| } |
| break; |
| } |
| case clang::Type::Record: { |
| const clang::RecordDecl *RD = T->getAsStructureType()->getDecl(); |
| llvm::StringRef Name = RD->getName(); |
| if (Name.empty()) { |
| if (RD->getTypedefForAnonDecl() != NULL) |
| Name = RD->getTypedefForAnonDecl()->getName(); |
| |
| if (Name.empty()) |
| // Try to find a name from redeclaration (i.e. typedef) |
| for (clang::TagDecl::redecl_iterator RI = RD->redecls_begin(), |
| RE = RD->redecls_end(); |
| RI != RE; |
| RI++) { |
| assert(*RI != NULL && "cannot be NULL object"); |
| |
| Name = (*RI)->getName(); |
| if (!Name.empty()) |
| break; |
| } |
| } |
| return Name; |
| } |
| case clang::Type::Pointer: { |
| // "*" plus pointee name |
| const clang::Type *PT = GET_POINTEE_TYPE(T); |
| llvm::StringRef PointeeName; |
| if (NormalizeType(PT, PointeeName)) { |
| char *Name = new char[ 1 /* * */ + PointeeName.size() + 1 ]; |
| Name[0] = '*'; |
| memcpy(Name + 1, PointeeName.data(), PointeeName.size()); |
| Name[PointeeName.size() + 1] = '\0'; |
| return Name; |
| } |
| break; |
| } |
| case clang::Type::ExtVector: { |
| const clang::ExtVectorType *EVT = |
| UNSAFE_CAST_TYPE(clang::ExtVectorType, T); |
| return RSExportVectorType::GetTypeName(EVT); |
| break; |
| } |
| case clang::Type::ConstantArray : { |
| // Construct name for a constant array is too complicated. |
| return DUMMY_TYPE_NAME_FOR_RS_CONSTANT_ARRAY_TYPE; |
| } |
| default: { |
| break; |
| } |
| } |
| |
| return llvm::StringRef(); |
| } |
| |
| const clang::Type *RSExportType::TypeExportable( |
| const clang::Type *T, |
| llvm::SmallPtrSet<const clang::Type*, 8>& SPS) { |
| // Normalize first |
| if ((T = GET_CANONICAL_TYPE(T)) == NULL) |
| return NULL; |
| |
| if (SPS.count(T)) |
| return T; |
| |
| switch (T->getTypeClass()) { |
| case clang::Type::Builtin: { |
| const clang::BuiltinType *BT = UNSAFE_CAST_TYPE(clang::BuiltinType, T); |
| |
| switch (BT->getKind()) { |
| #define SLANG_RS_SUPPORT_BUILTIN_TYPE(builtin_type, type) \ |
| case builtin_type: |
| #include "slang_rs_export_type_support.inc" |
| { |
| return T; |
| } |
| default: { |
| return NULL; |
| } |
| } |
| // Never be here |
| } |
| case clang::Type::Record: { |
| if (RSExportPrimitiveType::GetRSObjectType(T) != |
| RSExportPrimitiveType::DataTypeUnknown) |
| return T; // RS object type, no further checks are needed |
| |
| // Check internal struct |
| const clang::RecordDecl *RD = T->getAsStructureType()->getDecl(); |
| if (RD != NULL) |
| RD = RD->getDefinition(); |
| |
| // Fast check |
| if (RD->hasFlexibleArrayMember() || RD->hasObjectMember()) |
| return NULL; |
| |
| // Insert myself into checking set |
| SPS.insert(T); |
| |
| // Check all element |
| for (clang::RecordDecl::field_iterator FI = RD->field_begin(), |
| FE = RD->field_end(); |
| FI != FE; |
| FI++) { |
| const clang::FieldDecl *FD = *FI; |
| const clang::Type *FT = GetTypeOfDecl(FD); |
| FT = GET_CANONICAL_TYPE(FT); |
| |
| if (!TypeExportable(FT, SPS)) { |
| fprintf(stderr, "Field `%s' in Record `%s' contains unsupported " |
| "type\n", FD->getNameAsString().c_str(), |
| RD->getNameAsString().c_str()); |
| FT->dump(); |
| return NULL; |
| } |
| } |
| |
| return T; |
| } |
| case clang::Type::Pointer: { |
| const clang::PointerType *PT = UNSAFE_CAST_TYPE(clang::PointerType, T); |
| const clang::Type *PointeeType = GET_POINTEE_TYPE(PT); |
| |
| if (PointeeType->getTypeClass() == clang::Type::Pointer) |
| return T; |
| // We don't support pointer with array-type pointee or unsupported pointee |
| // type |
| if (PointeeType->isArrayType() || |
| (TypeExportable(PointeeType, SPS) == NULL) ) |
| return NULL; |
| else |
| return T; |
| } |
| case clang::Type::ExtVector: { |
| const clang::ExtVectorType *EVT = |
| UNSAFE_CAST_TYPE(clang::ExtVectorType, T); |
| // Only vector with size 2, 3 and 4 are supported. |
| if (EVT->getNumElements() < 2 || EVT->getNumElements() > 4) |
| return NULL; |
| |
| // Check base element type |
| const clang::Type *ElementType = GET_EXT_VECTOR_ELEMENT_TYPE(EVT); |
| |
| if ((ElementType->getTypeClass() != clang::Type::Builtin) || |
| (TypeExportable(ElementType, SPS) == NULL)) |
| return NULL; |
| else |
| return T; |
| } |
| case clang::Type::ConstantArray: { |
| const clang::ConstantArrayType *CAT = |
| UNSAFE_CAST_TYPE(clang::ConstantArrayType, T); |
| |
| // Check size |
| if (CAT->getSize().getActiveBits() > 32) { |
| fprintf(stderr, "RSExportConstantArrayType::Create : array with too " |
| "large size (> 2^32).\n"); |
| return NULL; |
| } |
| // Check element type |
| const clang::Type *ElementType = GET_CONSTANT_ARRAY_ELEMENT_TYPE(CAT); |
| if (ElementType->isArrayType()) { |
| fprintf(stderr, "RSExportType::TypeExportable : constant array with 2 " |
| "or higher dimension of constant is not supported.\n"); |
| return NULL; |
| } |
| if (TypeExportable(ElementType, SPS) == NULL) |
| return NULL; |
| else |
| return T; |
| } |
| default: { |
| return NULL; |
| } |
| } |
| } |
| |
| RSExportType *RSExportType::Create(RSContext *Context, |
| const clang::Type *T, |
| const llvm::StringRef &TypeName) { |
| // Lookup the context to see whether the type was processed before. |
| // Newly created RSExportType will insert into context |
| // in RSExportType::RSExportType() |
| RSContext::export_type_iterator ETI = Context->findExportType(TypeName); |
| |
| if (ETI != Context->export_types_end()) |
| return ETI->second; |
| |
| RSExportType *ET = NULL; |
| switch (T->getTypeClass()) { |
| case clang::Type::Record: { |
| RSExportPrimitiveType::DataType dt = |
| RSExportPrimitiveType::GetRSObjectType(TypeName); |
| switch (dt) { |
| case RSExportPrimitiveType::DataTypeUnknown: { |
| // User-defined types |
| ET = RSExportRecordType::Create(Context, |
| T->getAsStructureType(), |
| TypeName); |
| break; |
| } |
| case RSExportPrimitiveType::DataTypeRSMatrix2x2: { |
| // 2 x 2 Matrix type |
| ET = RSExportMatrixType::Create(Context, |
| T->getAsStructureType(), |
| TypeName, |
| 2); |
| break; |
| } |
| case RSExportPrimitiveType::DataTypeRSMatrix3x3: { |
| // 3 x 3 Matrix type |
| ET = RSExportMatrixType::Create(Context, |
| T->getAsStructureType(), |
| TypeName, |
| 3); |
| break; |
| } |
| case RSExportPrimitiveType::DataTypeRSMatrix4x4: { |
| // 4 x 4 Matrix type |
| ET = RSExportMatrixType::Create(Context, |
| T->getAsStructureType(), |
| TypeName, |
| 4); |
| break; |
| } |
| default: { |
| // Others are primitive types |
| ET = RSExportPrimitiveType::Create(Context, T, TypeName); |
| break; |
| } |
| } |
| break; |
| } |
| case clang::Type::Builtin: { |
| ET = RSExportPrimitiveType::Create(Context, T, TypeName); |
| break; |
| } |
| case clang::Type::Pointer: { |
| ET = RSExportPointerType::Create(Context, |
| UNSAFE_CAST_TYPE(clang::PointerType, T), |
| TypeName); |
| // FIXME: free the name (allocated in RSExportType::GetTypeName) |
| delete [] TypeName.data(); |
| break; |
| } |
| case clang::Type::ExtVector: { |
| ET = RSExportVectorType::Create(Context, |
| UNSAFE_CAST_TYPE(clang::ExtVectorType, T), |
| TypeName); |
| break; |
| } |
| case clang::Type::ConstantArray: { |
| ET = RSExportConstantArrayType::Create( |
| Context, |
| UNSAFE_CAST_TYPE(clang::ConstantArrayType, T)); |
| break; |
| } |
| default: { |
| // TODO(zonr): warn that type is not exportable. |
| fprintf(stderr, |
| "RSExportType::Create : type '%s' is not exportable\n", |
| T->getTypeClassName()); |
| break; |
| } |
| } |
| |
| return ET; |
| } |
| |
| RSExportType *RSExportType::Create(RSContext *Context, const clang::Type *T) { |
| llvm::StringRef TypeName; |
| if (NormalizeType(T, TypeName)) |
| return Create(Context, T, TypeName); |
| else |
| return NULL; |
| } |
| |
| RSExportType *RSExportType::CreateFromDecl(RSContext *Context, |
| const clang::VarDecl *VD) { |
| return RSExportType::Create(Context, GetTypeOfDecl(VD)); |
| } |
| |
| size_t RSExportType::GetTypeStoreSize(const RSExportType *ET) { |
| return ET->getRSContext()->getTargetData()->getTypeStoreSize( |
| ET->getLLVMType()); |
| } |
| |
| size_t RSExportType::GetTypeAllocSize(const RSExportType *ET) { |
| if (ET->getClass() == RSExportType::ExportClassRecord) |
| return static_cast<const RSExportRecordType*>(ET)->getAllocSize(); |
| else |
| return ET->getRSContext()->getTargetData()->getTypeAllocSize( |
| ET->getLLVMType()); |
| } |
| |
| RSExportType::RSExportType(RSContext *Context, |
| ExportClass Class, |
| const llvm::StringRef &Name) |
| : RSExportable(Context, RSExportable::EX_TYPE), |
| mContext(Context), |
| mClass(Class), |
| // Make a copy on Name since memory stored @Name is either allocated in |
| // ASTContext or allocated in GetTypeName which will be destroyed later. |
| mName(Name.data(), Name.size()), |
| mLLVMType(NULL) { |
| // Don't cache the type whose name start with '<'. Those type failed to |
| // get their name since constructing their name in GetTypeName() requiring |
| // complicated work. |
| if (!Name.startswith(DUMMY_RS_TYPE_NAME_PREFIX)) |
| // TODO(zonr): Need to check whether the insertion is successful or not. |
| Context->insertExportType(llvm::StringRef(Name), this); |
| return; |
| } |
| |
| /************************** RSExportPrimitiveType **************************/ |
| llvm::ManagedStatic<RSExportPrimitiveType::RSObjectTypeMapTy> |
| RSExportPrimitiveType::RSObjectTypeMap; |
| |
| llvm::Type *RSExportPrimitiveType::RSObjectLLVMType = NULL; |
| |
| bool RSExportPrimitiveType::IsPrimitiveType(const clang::Type *T) { |
| if ((T != NULL) && (T->getTypeClass() == clang::Type::Builtin)) |
| return true; |
| else |
| return false; |
| } |
| |
| RSExportPrimitiveType::DataType |
| RSExportPrimitiveType::GetRSObjectType(const llvm::StringRef &TypeName) { |
| if (TypeName.empty()) |
| return DataTypeUnknown; |
| |
| if (RSObjectTypeMap->empty()) { |
| #define USE_ELEMENT_DATA_TYPE |
| #define DEF_RS_OBJECT_TYPE(type, name) \ |
| RSObjectTypeMap->GetOrCreateValue(name, GET_ELEMENT_DATA_TYPE(type)); |
| #include "slang_rs_export_element_support.inc" |
| } |
| |
| RSObjectTypeMapTy::const_iterator I = RSObjectTypeMap->find(TypeName); |
| if (I == RSObjectTypeMap->end()) |
| return DataTypeUnknown; |
| else |
| return I->getValue(); |
| } |
| |
| RSExportPrimitiveType::DataType |
| RSExportPrimitiveType::GetRSObjectType(const clang::Type *T) { |
| T = GET_CANONICAL_TYPE(T); |
| if ((T == NULL) || (T->getTypeClass() != clang::Type::Record)) |
| return DataTypeUnknown; |
| |
| return GetRSObjectType( RSExportType::GetTypeName(T) ); |
| } |
| |
| const size_t |
| RSExportPrimitiveType::SizeOfDataTypeInBits[ |
| RSExportPrimitiveType::DataTypeMax + 1] = { |
| 16, // DataTypeFloat16 |
| 32, // DataTypeFloat32 |
| 64, // DataTypeFloat64 |
| 8, // DataTypeSigned8 |
| 16, // DataTypeSigned16 |
| 32, // DataTypeSigned32 |
| 64, // DataTypeSigned64 |
| 8, // DataTypeUnsigned8 |
| 16, // DataTypeUnsigned16 |
| 32, // DataTypeUnsigned32 |
| 64, // DataTypeUnSigned64 |
| 1, // DataTypeBoolean |
| |
| 16, // DataTypeUnsigned565 |
| 16, // DataTypeUnsigned5551 |
| 16, // DataTypeUnsigned4444 |
| |
| 128, // DataTypeRSMatrix2x2 |
| 288, // DataTypeRSMatrix3x3 |
| 512, // DataTypeRSMatrix4x4 |
| |
| 32, // DataTypeRSElement |
| 32, // DataTypeRSType |
| 32, // DataTypeRSAllocation |
| 32, // DataTypeRSSampler |
| 32, // DataTypeRSScript |
| 32, // DataTypeRSMesh |
| 32, // DataTypeRSProgramFragment |
| 32, // DataTypeRSProgramVertex |
| 32, // DataTypeRSProgramRaster |
| 32, // DataTypeRSProgramStore |
| 32, // DataTypeRSFont |
| 0 |
| }; |
| |
| size_t RSExportPrimitiveType::GetSizeInBits(const RSExportPrimitiveType *EPT) { |
| assert(((EPT->getType() >= DataTypeFloat32) && |
| (EPT->getType() < DataTypeMax)) && |
| "RSExportPrimitiveType::GetSizeInBits : unknown data type"); |
| return SizeOfDataTypeInBits[ static_cast<int>(EPT->getType()) ]; |
| } |
| |
| RSExportPrimitiveType::DataType |
| RSExportPrimitiveType::GetDataType(const clang::Type *T) { |
| if (T == NULL) |
| return DataTypeUnknown; |
| |
| switch (T->getTypeClass()) { |
| case clang::Type::Builtin: { |
| const clang::BuiltinType *BT = UNSAFE_CAST_TYPE(clang::BuiltinType, T); |
| switch (BT->getKind()) { |
| #define SLANG_RS_SUPPORT_BUILTIN_TYPE(builtin_type, type) \ |
| case builtin_type: { \ |
| return type; \ |
| break; \ |
| } |
| #include "slang_rs_export_type_support.inc" |
| |
| // The size of types Long, ULong and WChar depend on platform so we |
| // abandon the support to them. Type of its size exceeds 32 bits (e.g. |
| // int64_t, double, etc.): no support |
| |
| default: { |
| // TODO(zonr): warn that the type is unsupported |
| fprintf(stderr, "RSExportPrimitiveType::GetDataType : built-in type " |
| "has no corresponding data type for built-in type"); |
| break; |
| } |
| } |
| break; |
| } |
| |
| case clang::Type::Record: { |
| // must be RS object type |
| return RSExportPrimitiveType::GetRSObjectType(T); |
| break; |
| } |
| |
| default: { |
| fprintf(stderr, "RSExportPrimitiveType::GetDataType : type '%s' is not " |
| "supported primitive type", T->getTypeClassName()); |
| break; |
| } |
| } |
| |
| return DataTypeUnknown; |
| } |
| |
| RSExportPrimitiveType |
| *RSExportPrimitiveType::Create(RSContext *Context, |
| const clang::Type *T, |
| const llvm::StringRef &TypeName, |
| DataKind DK, |
| bool Normalized) { |
| DataType DT = GetDataType(T); |
| |
| if ((DT == DataTypeUnknown) || TypeName.empty()) |
| return NULL; |
| else |
| return new RSExportPrimitiveType(Context, ExportClassPrimitive, TypeName, |
| DT, DK, Normalized); |
| } |
| |
| RSExportPrimitiveType *RSExportPrimitiveType::Create(RSContext *Context, |
| const clang::Type *T, |
| DataKind DK) { |
| llvm::StringRef TypeName; |
| if (RSExportType::NormalizeType(T, TypeName) && IsPrimitiveType(T)) |
| return Create(Context, T, TypeName, DK); |
| else |
| return NULL; |
| } |
| |
| const llvm::Type *RSExportPrimitiveType::convertToLLVMType() const { |
| llvm::LLVMContext &C = getRSContext()->getLLVMContext(); |
| |
| if (isRSObjectType()) { |
| // struct { |
| // int *p; |
| // } __attribute__((packed, aligned(pointer_size))) |
| // |
| // which is |
| // |
| // <{ [1 x i32] }> in LLVM |
| // |
| if (RSObjectLLVMType == NULL) { |
| std::vector<const llvm::Type *> Elements; |
| Elements.push_back(llvm::ArrayType::get(llvm::Type::getInt32Ty(C), 1)); |
| RSObjectLLVMType = llvm::StructType::get(C, Elements, true); |
| } |
| return RSObjectLLVMType; |
| } |
| |
| switch (mType) { |
| case DataTypeFloat32: { |
| return llvm::Type::getFloatTy(C); |
| break; |
| } |
| case DataTypeFloat64: { |
| return llvm::Type::getDoubleTy(C); |
| break; |
| } |
| case DataTypeBoolean: { |
| return llvm::Type::getInt1Ty(C); |
| break; |
| } |
| case DataTypeSigned8: |
| case DataTypeUnsigned8: { |
| return llvm::Type::getInt8Ty(C); |
| break; |
| } |
| case DataTypeSigned16: |
| case DataTypeUnsigned16: |
| case DataTypeUnsigned565: |
| case DataTypeUnsigned5551: |
| case DataTypeUnsigned4444: { |
| return llvm::Type::getInt16Ty(C); |
| break; |
| } |
| case DataTypeSigned32: |
| case DataTypeUnsigned32: { |
| return llvm::Type::getInt32Ty(C); |
| break; |
| } |
| case DataTypeSigned64: { |
| // case DataTypeUnsigned64: |
| return llvm::Type::getInt64Ty(C); |
| break; |
| } |
| default: { |
| assert(false && "Unknown data type"); |
| } |
| } |
| |
| return NULL; |
| } |
| |
| /**************************** RSExportPointerType ****************************/ |
| |
| const clang::Type *RSExportPointerType::IntegerType = NULL; |
| |
| RSExportPointerType |
| *RSExportPointerType::Create(RSContext *Context, |
| const clang::PointerType *PT, |
| const llvm::StringRef &TypeName) { |
| const clang::Type *PointeeType = GET_POINTEE_TYPE(PT); |
| const RSExportType *PointeeET; |
| |
| if (PointeeType->getTypeClass() != clang::Type::Pointer) { |
| PointeeET = RSExportType::Create(Context, PointeeType); |
| } else { |
| // Double or higher dimension of pointer, export as int* |
| assert(IntegerType != NULL && "Built-in integer type is not set"); |
| PointeeET = RSExportPrimitiveType::Create(Context, IntegerType); |
| } |
| |
| if (PointeeET == NULL) { |
| fprintf(stderr, "Failed to create type for pointee"); |
| return NULL; |
| } |
| |
| return new RSExportPointerType(Context, TypeName, PointeeET); |
| } |
| |
| const llvm::Type *RSExportPointerType::convertToLLVMType() const { |
| const llvm::Type *PointeeType = mPointeeType->getLLVMType(); |
| return llvm::PointerType::getUnqual(PointeeType); |
| } |
| |
| /***************************** RSExportVectorType *****************************/ |
| const char* RSExportVectorType::VectorTypeNameStore[][3] = { |
| /* 0 */ { "char2", "char3", "char4" }, |
| /* 1 */ { "uchar2", "uchar3", "uchar4" }, |
| /* 2 */ { "short2", "short3", "short4" }, |
| /* 3 */ { "ushort2", "ushort3", "ushort4" }, |
| /* 4 */ { "int2", "int3", "int4" }, |
| /* 5 */ { "uint2", "uint3", "uint4" }, |
| /* 6 */ { "float2", "float3", "float4" }, |
| /* 7 */ { "double2", "double3", "double4" }, |
| /* 8 */ { "long2", "long3", "long4" }, |
| }; |
| |
| llvm::StringRef |
| RSExportVectorType::GetTypeName(const clang::ExtVectorType *EVT) { |
| const clang::Type *ElementType = GET_EXT_VECTOR_ELEMENT_TYPE(EVT); |
| |
| if ((ElementType->getTypeClass() != clang::Type::Builtin)) |
| return llvm::StringRef(); |
| |
| const clang::BuiltinType *BT = UNSAFE_CAST_TYPE(clang::BuiltinType, |
| ElementType); |
| const char **BaseElement = NULL; |
| |
| switch (BT->getKind()) { |
| // Compiler is smart enough to optimize following *big if branches* since |
| // they all become "constant comparison" after macro expansion |
| #define SLANG_RS_SUPPORT_BUILTIN_TYPE(builtin_type, type) \ |
| case builtin_type: { \ |
| if (type == RSExportPrimitiveType::DataTypeSigned8) \ |
| BaseElement = VectorTypeNameStore[0]; \ |
| else if (type == RSExportPrimitiveType::DataTypeUnsigned8) \ |
| BaseElement = VectorTypeNameStore[1]; \ |
| else if (type == RSExportPrimitiveType::DataTypeSigned16) \ |
| BaseElement = VectorTypeNameStore[2]; \ |
| else if (type == RSExportPrimitiveType::DataTypeUnsigned16) \ |
| BaseElement = VectorTypeNameStore[3]; \ |
| else if (type == RSExportPrimitiveType::DataTypeSigned32) \ |
| BaseElement = VectorTypeNameStore[4]; \ |
| else if (type == RSExportPrimitiveType::DataTypeUnsigned32) \ |
| BaseElement = VectorTypeNameStore[5]; \ |
| else if (type == RSExportPrimitiveType::DataTypeFloat32) \ |
| BaseElement = VectorTypeNameStore[6]; \ |
| else if (type == RSExportPrimitiveType::DataTypeFloat64) \ |
| BaseElement = VectorTypeNameStore[7]; \ |
| else if (type == RSExportPrimitiveType::DataTypeSigned64) \ |
| BaseElement = VectorTypeNameStore[8]; \ |
| else if (type == RSExportPrimitiveType::DataTypeBoolean) \ |
| BaseElement = VectorTypeNameStore[0]; \ |
| break; \ |
| } |
| #include "slang_rs_export_type_support.inc" |
| default: { |
| return llvm::StringRef(); |
| } |
| } |
| |
| if ((BaseElement != NULL) && |
| (EVT->getNumElements() > 1) && |
| (EVT->getNumElements() <= 4)) |
| return BaseElement[EVT->getNumElements() - 2]; |
| else |
| return llvm::StringRef(); |
| } |
| |
| RSExportVectorType *RSExportVectorType::Create(RSContext *Context, |
| const clang::ExtVectorType *EVT, |
| const llvm::StringRef &TypeName, |
| DataKind DK, |
| bool Normalized) { |
| assert(EVT != NULL && EVT->getTypeClass() == clang::Type::ExtVector); |
| |
| const clang::Type *ElementType = GET_EXT_VECTOR_ELEMENT_TYPE(EVT); |
| RSExportPrimitiveType::DataType DT = |
| RSExportPrimitiveType::GetDataType(ElementType); |
| |
| if (DT != RSExportPrimitiveType::DataTypeUnknown) |
| return new RSExportVectorType(Context, |
| TypeName, |
| DT, |
| DK, |
| Normalized, |
| EVT->getNumElements()); |
| else |
| fprintf(stderr, "RSExportVectorType::Create : unsupported base element " |
| "type\n"); |
| return NULL; |
| } |
| |
| const llvm::Type *RSExportVectorType::convertToLLVMType() const { |
| const llvm::Type *ElementType = RSExportPrimitiveType::convertToLLVMType(); |
| return llvm::VectorType::get(ElementType, getNumElement()); |
| } |
| |
| /***************************** RSExportMatrixType *****************************/ |
| RSExportMatrixType *RSExportMatrixType::Create(RSContext *Context, |
| const clang::RecordType *RT, |
| const llvm::StringRef &TypeName, |
| unsigned Dim) { |
| assert((RT != NULL) && (RT->getTypeClass() == clang::Type::Record)); |
| assert((Dim > 1) && "Invalid dimension of matrix"); |
| |
| // Check whether the struct rs_matrix is in our expected form (but assume it's |
| // correct if we're not sure whether it's correct or not) |
| const clang::RecordDecl* RD = RT->getDecl(); |
| RD = RD->getDefinition(); |
| if (RD != NULL) { |
| // Find definition, perform further examination |
| if (RD->field_empty()) { |
| fprintf(stderr, "RSExportMatrixType::Create : invalid %s struct: " |
| "must have 1 field for saving values", TypeName.data()); |
| return NULL; |
| } |
| |
| clang::RecordDecl::field_iterator FIT = RD->field_begin(); |
| const clang::FieldDecl *FD = *FIT; |
| const clang::Type *FT = RSExportType::GetTypeOfDecl(FD); |
| if ((FT == NULL) || (FT->getTypeClass() != clang::Type::ConstantArray)) { |
| fprintf(stderr, "RSExportMatrixType::Create : invalid %s struct: " |
| "first field should be an array with constant size", |
| TypeName.data()); |
| return NULL; |
| } |
| const clang::ConstantArrayType *CAT = |
| static_cast<const clang::ConstantArrayType *>(FT); |
| const clang::Type *ElementType = GET_CONSTANT_ARRAY_ELEMENT_TYPE(CAT); |
| if ((ElementType == NULL) || |
| (ElementType->getTypeClass() != clang::Type::Builtin) || |
| (static_cast<const clang::BuiltinType *>(ElementType)->getKind() |
| != clang::BuiltinType::Float)) { |
| fprintf(stderr, "RSExportMatrixType::Create : invalid %s struct: " |
| "first field should be a float array", TypeName.data()); |
| return NULL; |
| } |
| |
| if (CAT->getSize() != Dim * Dim) { |
| fprintf(stderr, "RSExportMatrixType::Create : invalid %s struct: " |
| "first field should be an array with size %d", |
| TypeName.data(), Dim * Dim); |
| return NULL; |
| } |
| |
| FIT++; |
| if (FIT != RD->field_end()) { |
| fprintf(stderr, "RSExportMatrixType::Create : invalid %s struct: " |
| "must have exactly 1 field", TypeName.data()); |
| return NULL; |
| } |
| } |
| |
| return new RSExportMatrixType(Context, TypeName, Dim); |
| } |
| |
| const llvm::Type *RSExportMatrixType::convertToLLVMType() const { |
| // Construct LLVM type: |
| // struct { |
| // float X[mDim * mDim]; |
| // } |
| |
| llvm::LLVMContext &C = getRSContext()->getLLVMContext(); |
| llvm::ArrayType *X = llvm::ArrayType::get(llvm::Type::getFloatTy(C), |
| mDim * mDim); |
| return llvm::StructType::get(C, X, NULL); |
| } |
| |
| /************************* RSExportConstantArrayType *************************/ |
| RSExportConstantArrayType |
| *RSExportConstantArrayType::Create(RSContext *Context, |
| const clang::ConstantArrayType *CAT) { |
| assert(CAT != NULL && CAT->getTypeClass() == clang::Type::ConstantArray); |
| |
| assert((CAT->getSize().getActiveBits() < 32) && "array too large"); |
| |
| unsigned Size = static_cast<unsigned>(CAT->getSize().getZExtValue()); |
| assert((Size > 0) && "Constant array should have size greater than 0"); |
| |
| const clang::Type *ElementType = GET_CONSTANT_ARRAY_ELEMENT_TYPE(CAT); |
| RSExportType *ElementET = RSExportType::Create(Context, ElementType); |
| |
| if (ElementET == NULL) { |
| fprintf(stderr, "RSExportConstantArrayType::Create : failed to create " |
| "RSExportType for array element.\n"); |
| return NULL; |
| } |
| |
| return new RSExportConstantArrayType(Context, |
| ElementET, |
| Size); |
| } |
| |
| const llvm::Type *RSExportConstantArrayType::convertToLLVMType() const { |
| return llvm::ArrayType::get(mElementType->getLLVMType(), getSize()); |
| } |
| |
| /**************************** RSExportRecordType ****************************/ |
| RSExportRecordType *RSExportRecordType::Create(RSContext *Context, |
| const clang::RecordType *RT, |
| const llvm::StringRef &TypeName, |
| bool mIsArtificial) { |
| assert(RT != NULL && RT->getTypeClass() == clang::Type::Record); |
| |
| const clang::RecordDecl *RD = RT->getDecl(); |
| assert(RD->isStruct()); |
| |
| RD = RD->getDefinition(); |
| if (RD == NULL) { |
| // TODO(zonr): warn that actual struct definition isn't declared in this |
| // moudle. |
| fprintf(stderr, "RSExportRecordType::Create : this struct is not defined " |
| "in this module."); |
| return NULL; |
| } |
| |
| // Struct layout construct by clang. We rely on this for obtaining the |
| // alloc size of a struct and offset of every field in that struct. |
| const clang::ASTRecordLayout *RL = |
| &Context->getASTContext()->getASTRecordLayout(RD); |
| assert((RL != NULL) && "Failed to retrieve the struct layout from Clang."); |
| |
| RSExportRecordType *ERT = |
| new RSExportRecordType(Context, |
| TypeName, |
| RD->hasAttr<clang::PackedAttr>(), |
| mIsArtificial, |
| (RL->getSize() >> 3)); |
| unsigned int Index = 0; |
| |
| for (clang::RecordDecl::field_iterator FI = RD->field_begin(), |
| FE = RD->field_end(); |
| FI != FE; |
| FI++, Index++) { |
| #define FAILED_CREATE_FIELD(err) do { \ |
| if (*err) \ |
| fprintf(stderr, \ |
| "RSExportRecordType::Create : failed to create field (%s)\n", \ |
| err); \ |
| delete ERT; \ |
| return NULL; \ |
| } while (false) |
| |
| // FIXME: All fields should be primitive type |
| assert((*FI)->getKind() == clang::Decl::Field); |
| clang::FieldDecl *FD = *FI; |
| |
| // We don't support bit field |
| // |
| // TODO(zonr): allow bitfield with size 8, 16, 32 |
| if (FD->isBitField()) |
| FAILED_CREATE_FIELD("bit field is not supported"); |
| |
| // Type |
| RSExportType *ET = RSExportElement::CreateFromDecl(Context, FD); |
| |
| if (ET != NULL) |
| ERT->mFields.push_back( |
| new Field(ET, FD->getName(), ERT, |
| static_cast<size_t>(RL->getFieldOffset(Index) >> 3))); |
| else |
| FAILED_CREATE_FIELD(FD->getName().str().c_str()); |
| #undef FAILED_CREATE_FIELD |
| } |
| |
| return ERT; |
| } |
| |
| const llvm::Type *RSExportRecordType::convertToLLVMType() const { |
| std::vector<const llvm::Type*> FieldTypes; |
| |
| for (const_field_iterator FI = fields_begin(), |
| FE = fields_end(); |
| FI != FE; |
| FI++) { |
| const Field *F = *FI; |
| const RSExportType *FET = F->getType(); |
| |
| FieldTypes.push_back(FET->getLLVMType()); |
| } |
| |
| return llvm::StructType::get(getRSContext()->getLLVMContext(), |
| FieldTypes, |
| mIsPacked); |
| } |