Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 1 | #include <vector> |
| 2 | |
| 3 | #include "slang_rs_context.hpp" |
| 4 | #include "slang_rs_export_type.hpp" |
| 5 | #include "slang_rs_export_element.hpp" |
| 6 | |
| 7 | #include "llvm/Type.h" |
| 8 | #include "llvm/DerivedTypes.h" |
| 9 | |
| 10 | #include "llvm/ADT/StringExtras.h" /* for function llvm::utostr_32() */ |
| 11 | #include "llvm/Target/TargetData.h" /* for class llvm::TargetData and class llvm::StructLayout */ |
| 12 | |
| 13 | namespace slang { |
| 14 | |
| 15 | /****************************** RSExportType ******************************/ |
| 16 | bool RSExportType::NormalizeType(const Type*& T, llvm::StringRef& TypeName) { |
| 17 | llvm::SmallPtrSet<const Type*, 8> SPS = llvm::SmallPtrSet<const Type*, 8>(); |
| 18 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 19 | if((T = RSExportType::TypeExportable(T, SPS)) == NULL) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 20 | /* TODO: warning the user: type not exportable */ |
| 21 | return false; |
| 22 | |
| 23 | /* Get type name */ |
| 24 | TypeName = RSExportType::GetTypeName(T); |
| 25 | if(TypeName.empty()) |
| 26 | /* TODO: warning the user: the type is unnmaed */ |
| 27 | return false; |
| 28 | |
| 29 | return true; |
| 30 | } |
| 31 | |
| 32 | const Type* RSExportType::GetTypeOfDecl(const DeclaratorDecl* DD) { |
| 33 | if(DD && DD->getTypeSourceInfo()) { |
| 34 | QualType T = DD->getTypeSourceInfo()->getType(); |
| 35 | if(T.isNull()) |
| 36 | return NULL; |
| 37 | else |
| 38 | return T.getTypePtr(); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | llvm::StringRef RSExportType::GetTypeName(const Type* T) { |
| 43 | T = GET_CANONICAL_TYPE(T); |
| 44 | if(T == NULL) |
| 45 | return llvm::StringRef(); |
| 46 | |
| 47 | switch(T->getTypeClass()) { |
| 48 | case Type::Builtin: |
| 49 | { |
| 50 | const BuiltinType* BT = UNSAFE_CAST_TYPE(BuiltinType, T); |
| 51 | |
| 52 | switch(BT->getKind()) { |
| 53 | #define SLANG_RS_SUPPORT_BUILTIN_TYPE(builtin_type, type) \ |
| 54 | case builtin_type: \ |
| 55 | /* Compiler is smart enough to optimize following *big if branches* since they all become "constant comparison" after macro expansion */ \ |
| 56 | if(type == RSExportPrimitiveType::DataTypeFloat32) return "float"; \ |
| 57 | else if(type == RSExportPrimitiveType::DataTypeUnsigned8) return "uchar"; \ |
| 58 | else if(type == RSExportPrimitiveType::DataTypeUnsigned16) return "ushort"; \ |
| 59 | else if(type == RSExportPrimitiveType::DataTypeUnsigned32) return "uint"; \ |
| 60 | else if(type == RSExportPrimitiveType::DataTypeSigned8) return "char"; \ |
| 61 | else if(type == RSExportPrimitiveType::DataTypeSigned16) return "short"; \ |
| 62 | else if(type == RSExportPrimitiveType::DataTypeSigned32) return "int"; \ |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 63 | else if(type == RSExportPrimitiveType::DataTypeBool) return "bool"; \ |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 64 | else assert(false && "Unknow data type of supported builtin"); \ |
| 65 | break; |
| 66 | #include "slang_rs_export_type_support.inc" |
| 67 | |
| 68 | default: assert(false && "Unknow data type of the builtin"); break; |
| 69 | } |
| 70 | } |
| 71 | break; |
| 72 | |
| 73 | case Type::Record: |
| 74 | { |
| 75 | const RecordDecl* RD = T->getAsStructureType()->getDecl(); |
| 76 | llvm::StringRef Name = RD->getName(); |
| 77 | if(Name.empty()) { |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 78 | if(RD->getTypedefForAnonDecl() != NULL) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 79 | Name = RD->getTypedefForAnonDecl()->getName(); |
| 80 | |
| 81 | if(Name.empty()) |
| 82 | /* Try to find a name from redeclaration (i.e. typedef) */ |
| 83 | for(TagDecl::redecl_iterator RI = RD->redecls_begin(); |
| 84 | RI != RD->redecls_end(); |
| 85 | RI++) |
| 86 | { |
| 87 | assert(*RI != NULL && "cannot be NULL object"); |
| 88 | |
| 89 | Name = (*RI)->getName(); |
| 90 | if(!Name.empty()) |
| 91 | break; |
| 92 | } |
| 93 | } |
| 94 | return Name; |
| 95 | } |
| 96 | break; |
| 97 | |
| 98 | case Type::Pointer: |
| 99 | { |
| 100 | /* "*" plus pointee name */ |
| 101 | const Type* PT = GET_POINTEE_TYPE(T); |
| 102 | llvm::StringRef PointeeName; |
| 103 | if(NormalizeType(PT, PointeeName)) { |
| 104 | char* Name = new char[ 1 /* * */ + PointeeName.size() ]; |
| 105 | Name[0] = '*'; |
| 106 | memcpy(Name + 1, PointeeName.data(), PointeeName.size()); |
| 107 | return Name; |
| 108 | } |
| 109 | } |
| 110 | break; |
| 111 | |
| 112 | case Type::ExtVector: |
| 113 | { |
| 114 | const ExtVectorType* EVT = UNSAFE_CAST_TYPE(ExtVectorType, T); |
| 115 | return RSExportVectorType::GetTypeName(EVT); |
| 116 | } |
| 117 | break; |
| 118 | |
| 119 | default: |
| 120 | break; |
| 121 | } |
| 122 | |
| 123 | return llvm::StringRef(); |
| 124 | } |
| 125 | |
| 126 | const Type* RSExportType::TypeExportable(const Type* T, llvm::SmallPtrSet<const Type*, 8>& SPS) { |
| 127 | /* Normailize first */ |
| 128 | if((T = GET_CANONICAL_TYPE(T)) == NULL) |
| 129 | return NULL; |
| 130 | |
| 131 | if(SPS.count(T)) |
| 132 | return T; |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 133 | |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 134 | switch(T->getTypeClass()) { |
| 135 | case Type::Builtin: |
| 136 | { |
| 137 | const BuiltinType* BT = UNSAFE_CAST_TYPE(BuiltinType, T); |
| 138 | |
| 139 | switch(BT->getKind()) { |
| 140 | #define SLANG_RS_SUPPORT_BUILTIN_TYPE(builtin_type, type) \ |
| 141 | case builtin_type: |
| 142 | #include "slang_rs_export_type_support.inc" |
| 143 | return T; |
| 144 | break; |
| 145 | |
| 146 | default: |
| 147 | return NULL; |
| 148 | break; |
| 149 | } |
| 150 | } |
| 151 | break; |
| 152 | |
| 153 | case Type::Record: |
| 154 | { |
| 155 | if(RSExportPrimitiveType::GetRSObjectType(T) != RSExportPrimitiveType::DataTypeUnknown) |
| 156 | return T; /* RS object type, no further checks are needed */ |
| 157 | |
| 158 | /* Check internal struct */ |
| 159 | const RecordDecl* RD = T->getAsStructureType()->getDecl(); |
| 160 | if(RD != NULL) |
| 161 | RD = RD->getDefinition(); |
| 162 | |
| 163 | /* Fast check */ |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 164 | if(RD->hasFlexibleArrayMember() || RD->hasObjectMember()) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 165 | return NULL; |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 166 | |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 167 | /* Insert myself into checking set */ |
| 168 | SPS.insert(T); |
| 169 | |
| 170 | /* Check all element */ |
| 171 | for(RecordDecl::field_iterator F = RD->field_begin(); |
| 172 | F != RD->field_end(); |
| 173 | F++) |
| 174 | { |
| 175 | const Type* FT = GetTypeOfDecl(*F); |
| 176 | FT = GET_CANONICAL_TYPE(FT); |
| 177 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 178 | if(!TypeExportable(FT, SPS)) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 179 | /* TODO: warning: unsupported field type */ |
| 180 | return NULL; |
| 181 | } |
| 182 | |
| 183 | return T; |
| 184 | } |
| 185 | break; |
| 186 | |
| 187 | case Type::Pointer: |
| 188 | { |
| 189 | const PointerType* PT = UNSAFE_CAST_TYPE(PointerType, T); |
| 190 | const Type* PointeeType = GET_POINTEE_TYPE(PT); |
| 191 | |
| 192 | if((PointeeType->getTypeClass() != Type::Pointer) && (TypeExportable(PointeeType, SPS) == NULL) ) |
| 193 | return NULL; |
| 194 | return T; |
| 195 | } |
| 196 | break; |
| 197 | |
| 198 | case Type::ExtVector: |
| 199 | { |
| 200 | const ExtVectorType* EVT = UNSAFE_CAST_TYPE(ExtVectorType, T); |
| 201 | /* Check element numbers */ |
| 202 | if(EVT->getNumElements() < 2 || EVT->getNumElements() > 4) /* only support vector with size 2, 3 and 4 */ |
| 203 | return NULL; |
| 204 | |
| 205 | /* Check base element type */ |
| 206 | const Type* ElementType = GET_EXT_VECTOR_ELEMENT_TYPE(EVT); |
| 207 | |
| 208 | if((ElementType->getTypeClass() != Type::Builtin) || (TypeExportable(ElementType, SPS) == NULL)) |
| 209 | return NULL; |
| 210 | return T; |
| 211 | } |
| 212 | break; |
| 213 | |
| 214 | default: |
| 215 | return NULL; |
| 216 | break; |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | RSExportType* RSExportType::Create(RSContext* Context, const Type* T, const llvm::StringRef& TypeName) { |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 221 | /* |
| 222 | * Lookup the context to see whether the type was processed before. |
| 223 | * Newly create RSExportType will insert into context in RSExportType::RSExportType() |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 224 | */ |
| 225 | RSContext::export_type_iterator ETI = Context->findExportType(TypeName); |
| 226 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 227 | if(ETI != Context->export_types_end()) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 228 | return ETI->second; |
| 229 | |
| 230 | RSExportType* ET = NULL; |
| 231 | switch(T->getTypeClass()) { |
| 232 | case Type::Record: |
| 233 | if(RSExportPrimitiveType::GetRSObjectType(TypeName) != RSExportPrimitiveType::DataTypeUnknown) |
| 234 | ET = RSExportPrimitiveType::Create(Context, T, TypeName); |
| 235 | else |
| 236 | ET = RSExportRecordType::Create(Context, T->getAsStructureType(), TypeName); |
| 237 | break; |
| 238 | |
| 239 | case Type::Builtin: |
| 240 | ET = RSExportPrimitiveType::Create(Context, T, TypeName); |
| 241 | break; |
| 242 | |
| 243 | case Type::Pointer: |
| 244 | ET = RSExportPointerType::Create(Context, UNSAFE_CAST_TYPE(PointerType, T), TypeName); |
| 245 | /* free the name (allocated in RSExportType::GetTypeName) */ |
| 246 | delete [] TypeName.data(); |
| 247 | break; |
| 248 | |
| 249 | case Type::ExtVector: |
| 250 | ET = RSExportVectorType::Create(Context, UNSAFE_CAST_TYPE(ExtVectorType, T), TypeName); |
| 251 | break; |
| 252 | |
| 253 | default: |
| 254 | /* TODO: warning: type is not exportable */ |
| 255 | printf("RSExportType::Create : type '%s' is not exportable\n", T->getTypeClassName()); |
| 256 | break; |
| 257 | } |
| 258 | |
| 259 | return ET; |
| 260 | } |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 261 | |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 262 | RSExportType* RSExportType::Create(RSContext* Context, const Type* T) { |
| 263 | llvm::StringRef TypeName; |
| 264 | if(NormalizeType(T, TypeName)) |
| 265 | return Create(Context, T, TypeName); |
| 266 | else |
| 267 | return NULL; |
| 268 | } |
| 269 | |
| 270 | RSExportType* RSExportType::CreateFromDecl(RSContext* Context, const VarDecl* VD) { |
| 271 | return RSExportType::Create(Context, GetTypeOfDecl(VD)); |
| 272 | } |
| 273 | |
| 274 | size_t RSExportType::GetTypeStoreSize(const RSExportType* ET) { |
| 275 | return ET->getRSContext()->getTargetData()->getTypeStoreSize(ET->getLLVMType()); |
| 276 | } |
| 277 | |
| 278 | size_t RSExportType::GetTypeAllocSize(const RSExportType* ET) { |
| 279 | return ET->getRSContext()->getTargetData()->getTypeAllocSize(ET->getLLVMType()); |
| 280 | } |
| 281 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 282 | RSExportType::RSExportType(RSContext* Context, const llvm::StringRef& Name) : |
| 283 | mContext(Context), |
| 284 | mName(Name.data(), Name.size()), /* make a copy on Name since data of @Name which is stored in ASTContext will be destroyed later */ |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 285 | mLLVMType(NULL) |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 286 | { |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 287 | /* TODO: need to check whether the insertion is successful or not */ |
| 288 | Context->insertExportType(Name, this); |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 289 | return; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | /****************************** RSExportPrimitiveType ******************************/ |
| 293 | RSExportPrimitiveType::RSObjectTypeMapTy* RSExportPrimitiveType::RSObjectTypeMap = NULL; |
| 294 | llvm::Type* RSExportPrimitiveType::RSObjectLLVMType = NULL; |
| 295 | |
| 296 | bool RSExportPrimitiveType::IsPrimitiveType(const Type* T) { |
| 297 | if((T != NULL) && (T->getTypeClass() == Type::Builtin)) |
| 298 | return true; |
| 299 | else |
| 300 | return false; |
| 301 | } |
| 302 | |
| 303 | RSExportPrimitiveType::DataType RSExportPrimitiveType::GetRSObjectType(const llvm::StringRef& TypeName) { |
| 304 | if(TypeName.empty()) |
| 305 | return DataTypeUnknown; |
| 306 | |
| 307 | if(RSObjectTypeMap == NULL) { |
| 308 | RSObjectTypeMap = new RSObjectTypeMapTy(16); |
| 309 | |
| 310 | #define USE_ELEMENT_DATA_TYPE |
| 311 | #define DEF_RS_OBJECT_TYPE(type, name) \ |
| 312 | RSObjectTypeMap->GetOrCreateValue(name, GET_ELEMENT_DATA_TYPE(type)); |
| 313 | #include "slang_rs_export_element_support.inc" |
| 314 | } |
| 315 | |
| 316 | RSObjectTypeMapTy::const_iterator I = RSObjectTypeMap->find(TypeName); |
| 317 | if(I == RSObjectTypeMap->end()) |
| 318 | return DataTypeUnknown; |
| 319 | else |
| 320 | return I->getValue(); |
| 321 | } |
| 322 | |
| 323 | RSExportPrimitiveType::DataType RSExportPrimitiveType::GetRSObjectType(const Type* T) { |
| 324 | T = GET_CANONICAL_TYPE(T); |
| 325 | if((T == NULL) || (T->getTypeClass() != Type::Record)) |
| 326 | return DataTypeUnknown; |
| 327 | |
| 328 | return GetRSObjectType( RSExportType::GetTypeName(T) ); |
| 329 | } |
| 330 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 331 | const size_t RSExportPrimitiveType::SizeOfDataTypeInBits[RSExportPrimitiveType::DataTypeMax + 1] = { |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 332 | 0, |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 333 | 16, /* DataTypeFloat16 */ |
| 334 | 32, /* DataTypeFloat32 */ |
| 335 | 64, /* DataTypeFloat64 */ |
| 336 | 8, /* DataTypeSigned8 */ |
| 337 | 16, /* DataTypeSigned16 */ |
| 338 | 32, /* DataTypeSigned32 */ |
| 339 | 64, /* DataTypeSigned64 */ |
| 340 | 8, /* DataTypeUnsigned8 */ |
| 341 | 16, /* DataTypeUnsigned16 */ |
| 342 | 32, /* DataTypeUnsigned32 */ |
| 343 | 64, /* DataTypeUnSigned64 */ |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 344 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 345 | 16, /* DataTypeUnsigned565 */ |
| 346 | 16, /* DataTypeUnsigned5551 */ |
| 347 | 16, /* DataTypeUnsigned4444 */ |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 348 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 349 | 1, /* DataTypeBool */ |
| 350 | |
| 351 | 32, /* DataTypeRSElement */ |
| 352 | 32, /* DataTypeRSType */ |
| 353 | 32, /* DataTypeRSAllocation */ |
| 354 | 32, /* DataTypeRSSampler */ |
| 355 | 32, /* DataTypeRSScript */ |
| 356 | 32, /* DataTypeRSMesh */ |
| 357 | 32, /* DataTypeRSProgramFragment */ |
| 358 | 32, /* DataTypeRSProgramVertex */ |
| 359 | 32, /* DataTypeRSProgramRaster */ |
| 360 | 32, /* DataTypeRSProgramStore */ |
| 361 | 32, /* DataTypeRSFont */ |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 362 | 0 |
| 363 | }; |
| 364 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 365 | size_t RSExportPrimitiveType::GetSizeInBits(const RSExportPrimitiveType* EPT) { |
| 366 | assert(((EPT->getType() >= DataTypeFloat32) && (EPT->getType() < DataTypeMax)) && "RSExportPrimitiveType::GetSizeInBits : unknown data type"); |
| 367 | return SizeOfDataTypeInBits[ static_cast<int>(EPT->getType()) ]; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | RSExportPrimitiveType::DataType RSExportPrimitiveType::GetDataType(const Type* T) { |
| 371 | if(T == NULL) |
| 372 | return DataTypeUnknown; |
| 373 | |
| 374 | switch(T->getTypeClass()) { |
| 375 | case Type::Builtin: |
| 376 | { |
| 377 | const BuiltinType* BT = UNSAFE_CAST_TYPE(BuiltinType, T); |
| 378 | switch(BT->getKind()) { |
| 379 | #define SLANG_RS_SUPPORT_BUILTIN_TYPE(builtin_type, type) \ |
| 380 | case builtin_type: \ |
| 381 | return type; \ |
| 382 | break; |
| 383 | #include "slang_rs_export_type_support.inc" |
| 384 | |
| 385 | /* The size of types Long, ULong and WChar depend on platform so we abandon the support to them */ |
| 386 | /* Type of its size exceeds 32 bits (e.g. int64_t, double, etc.) does not support */ |
| 387 | |
| 388 | default: |
| 389 | /* TODO: warning the user: unsupported type */ |
| 390 | printf("RSExportPrimitiveType::GetDataType : built-in type has no corresponding data type for built-in type"); |
| 391 | break; |
| 392 | } |
| 393 | } |
| 394 | break; |
| 395 | |
| 396 | case Type::Record: |
| 397 | /* must be RS object type */ |
| 398 | return RSExportPrimitiveType::GetRSObjectType(T); |
| 399 | break; |
| 400 | |
| 401 | default: |
| 402 | printf("RSExportPrimitiveType::GetDataType : type '%s' is not supported primitive type", T->getTypeClassName()); |
| 403 | break; |
| 404 | } |
| 405 | |
| 406 | return DataTypeUnknown; |
| 407 | } |
| 408 | |
| 409 | RSExportPrimitiveType* RSExportPrimitiveType::Create(RSContext* Context, const Type* T, const llvm::StringRef& TypeName, DataKind DK, bool Normalized) { |
| 410 | DataType DT = GetDataType(T); |
| 411 | |
| 412 | if((DT == DataTypeUnknown) || TypeName.empty()) |
| 413 | return NULL; |
| 414 | else |
| 415 | return new RSExportPrimitiveType(Context, TypeName, DT, DK, Normalized); |
| 416 | } |
| 417 | |
| 418 | RSExportPrimitiveType* RSExportPrimitiveType::Create(RSContext* Context, const Type* T, DataKind DK) { |
| 419 | llvm::StringRef TypeName; |
| 420 | if(RSExportType::NormalizeType(T, TypeName) && IsPrimitiveType(T)) |
| 421 | return Create(Context, T, TypeName, DK); |
| 422 | else |
| 423 | return NULL; |
| 424 | } |
| 425 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 426 | RSExportType::ExportClass RSExportPrimitiveType::getClass() const { |
| 427 | return RSExportType::ExportClassPrimitive; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | const llvm::Type* RSExportPrimitiveType::convertToLLVMType() const { |
| 431 | llvm::LLVMContext& C = getRSContext()->getLLVMContext(); |
| 432 | |
| 433 | if(isRSObjectType()) { |
| 434 | /* struct { int* p; } __attribute__((packed, aligned(pointer_size))) which is <{ [1 x i32] }> in LLVM */ |
| 435 | if(RSObjectLLVMType == NULL) { |
| 436 | std::vector<const llvm::Type*> Elements; |
| 437 | Elements.push_back( llvm::ArrayType::get(llvm::Type::getInt32Ty(C), 1) ); |
| 438 | RSObjectLLVMType = llvm::StructType::get(C, Elements, true); |
| 439 | } |
| 440 | return RSObjectLLVMType; |
| 441 | } |
| 442 | |
| 443 | switch(mType) { |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 444 | case DataTypeFloat32: |
| 445 | return llvm::Type::getFloatTy(C); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 446 | break; |
| 447 | |
| 448 | case DataTypeSigned8: |
| 449 | case DataTypeUnsigned8: |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 450 | return llvm::Type::getInt8Ty(C); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 451 | break; |
| 452 | |
| 453 | case DataTypeSigned16: |
| 454 | case DataTypeUnsigned16: |
| 455 | case DataTypeUnsigned565: |
| 456 | case DataTypeUnsigned5551: |
| 457 | case DataTypeUnsigned4444: |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 458 | return llvm::Type::getInt16Ty(C); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 459 | break; |
| 460 | |
| 461 | case DataTypeSigned32: |
| 462 | case DataTypeUnsigned32: |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 463 | return llvm::Type::getInt32Ty(C); |
| 464 | break; |
| 465 | |
| 466 | case DataTypeBool: |
| 467 | return llvm::Type::getInt1Ty(C); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 468 | break; |
| 469 | |
| 470 | default: |
| 471 | assert(false && "Unknown data type"); |
| 472 | break; |
| 473 | } |
| 474 | |
| 475 | return NULL; |
| 476 | } |
| 477 | |
| 478 | /****************************** RSExportPointerType ******************************/ |
| 479 | |
| 480 | const Type* RSExportPointerType::IntegerType = NULL; |
| 481 | |
| 482 | RSExportPointerType* RSExportPointerType::Create(RSContext* Context, const PointerType* PT, const llvm::StringRef& TypeName) { |
| 483 | const Type* PointeeType = GET_POINTEE_TYPE(PT); |
| 484 | const RSExportType* PointeeET; |
| 485 | |
| 486 | if(PointeeType->getTypeClass() != Type::Pointer) { |
| 487 | PointeeET = RSExportType::Create(Context, PointeeType); |
| 488 | } else { |
| 489 | /* Double or higher dimension of pointer, export as int* */ |
| 490 | assert(IntegerType != NULL && "Built-in integer type is not set"); |
| 491 | PointeeET = RSExportPrimitiveType::Create(Context, IntegerType); |
| 492 | } |
| 493 | |
| 494 | if(PointeeET == NULL) { |
| 495 | printf("Failed to create type for pointee"); |
| 496 | return NULL; |
| 497 | } |
| 498 | |
| 499 | return new RSExportPointerType(Context, TypeName, PointeeET); |
| 500 | } |
| 501 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 502 | RSExportType::ExportClass RSExportPointerType::getClass() const { |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 503 | return RSExportType::ExportClassPointer; |
| 504 | } |
| 505 | |
| 506 | const llvm::Type* RSExportPointerType::convertToLLVMType() const { |
| 507 | const llvm::Type* PointeeType = mPointeeType->getLLVMType(); |
| 508 | return llvm::PointerType::getUnqual(PointeeType); |
| 509 | } |
| 510 | |
| 511 | /****************************** RSExportVectorType ******************************/ |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 512 | const char* RSExportVectorType::VectorTypeNameStore[][3] = { |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 513 | /* 0 */ { "char2", "char3", "char4" }, |
| 514 | /* 1 */ { "uchar2", "uchar3", "uchar4" }, |
| 515 | /* 2 */ { "short2", "short3", "short4" }, |
| 516 | /* 3 */ { "ushort2", "ushort3", "ushort4" }, |
| 517 | /* 4 */ { "int2", "int3", "int4" }, |
| 518 | /* 5 */ { "uint2", "uint3", "uint4" }, |
| 519 | /* 6 */ { "float2", "float3", "float4" }, |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 520 | }; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 521 | |
| 522 | llvm::StringRef RSExportVectorType::GetTypeName(const ExtVectorType* EVT) { |
| 523 | const Type* ElementType = GET_EXT_VECTOR_ELEMENT_TYPE(EVT); |
| 524 | |
| 525 | if((ElementType->getTypeClass() != Type::Builtin)) |
| 526 | return llvm::StringRef(); |
| 527 | |
| 528 | const BuiltinType* BT = UNSAFE_CAST_TYPE(BuiltinType, ElementType); |
| 529 | const char** BaseElement = NULL; |
| 530 | |
| 531 | switch(BT->getKind()) { |
| 532 | #define SLANG_RS_SUPPORT_BUILTIN_TYPE(builtin_type, type) \ |
| 533 | case builtin_type: \ |
| 534 | /* Compiler is smart enough to optimize following *big if branches* since they all become "constant comparison" after macro expansion */ \ |
| 535 | if(type == RSExportPrimitiveType::DataTypeSigned8) BaseElement = VectorTypeNameStore[0]; \ |
| 536 | else if(type == RSExportPrimitiveType::DataTypeUnsigned8) BaseElement = VectorTypeNameStore[1]; \ |
| 537 | else if(type == RSExportPrimitiveType::DataTypeSigned16) BaseElement = VectorTypeNameStore[2]; \ |
| 538 | else if(type == RSExportPrimitiveType::DataTypeUnsigned16) BaseElement = VectorTypeNameStore[3]; \ |
| 539 | else if(type == RSExportPrimitiveType::DataTypeSigned32) BaseElement = VectorTypeNameStore[4]; \ |
| 540 | else if(type == RSExportPrimitiveType::DataTypeUnsigned32) BaseElement = VectorTypeNameStore[5]; \ |
| 541 | else if(type == RSExportPrimitiveType::DataTypeFloat32) BaseElement = VectorTypeNameStore[6]; \ |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 542 | else if(type == RSExportPrimitiveType::DataTypeBool) BaseElement = VectorTypeNameStore[0]; \ |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 543 | break; |
| 544 | #include "slang_rs_export_type_support.inc" |
| 545 | |
| 546 | default: return llvm::StringRef(); break; |
| 547 | } |
| 548 | |
| 549 | if((BaseElement != NULL) && (EVT->getNumElements() > 1) && (EVT->getNumElements() <= 4)) |
| 550 | return BaseElement[EVT->getNumElements() - 2]; |
| 551 | else |
| 552 | return llvm::StringRef(); |
| 553 | } |
| 554 | |
| 555 | RSExportVectorType* RSExportVectorType::Create(RSContext* Context, const ExtVectorType* EVT, const llvm::StringRef& TypeName, DataKind DK, bool Normalized) { |
| 556 | assert(EVT != NULL && EVT->getTypeClass() == Type::ExtVector); |
| 557 | |
| 558 | const Type* ElementType = GET_EXT_VECTOR_ELEMENT_TYPE(EVT); |
| 559 | RSExportPrimitiveType::DataType DT = RSExportPrimitiveType::GetDataType(ElementType); |
| 560 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 561 | if(DT != RSExportPrimitiveType::DataTypeUnknown) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 562 | return new RSExportVectorType(Context, TypeName, DT, DK, Normalized, EVT->getNumElements()); |
| 563 | else |
| 564 | printf("RSExportVectorType::Create : unsupported base element type\n"); |
| 565 | } |
| 566 | |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 567 | RSExportType::ExportClass RSExportVectorType::getClass() const { |
| 568 | return RSExportType::ExportClassVector; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | const llvm::Type* RSExportVectorType::convertToLLVMType() const { |
| 572 | const llvm::Type* ElementType = RSExportPrimitiveType::convertToLLVMType(); |
| 573 | return llvm::VectorType::get(ElementType, getNumElement()); |
| 574 | } |
| 575 | |
| 576 | /****************************** RSExportRecordType ******************************/ |
| 577 | RSExportRecordType* RSExportRecordType::Create(RSContext* Context, const RecordType* RT, const llvm::StringRef& TypeName, bool mIsArtificial) { |
| 578 | assert(RT != NULL && RT->getTypeClass() == Type::Record); |
| 579 | |
| 580 | const RecordDecl* RD = RT->getDecl(); |
| 581 | assert(RD->isStruct()); |
| 582 | |
| 583 | RD = RD->getDefinition(); |
| 584 | if(RD == NULL) { |
| 585 | /* TODO: warning: actual struct definition isn't declared in this moudle */ |
| 586 | printf("RSExportRecordType::Create : this struct is not defined in this module."); |
| 587 | return NULL; |
| 588 | } |
| 589 | |
| 590 | RSExportRecordType* ERT = new RSExportRecordType(Context, TypeName, RD->hasAttr<PackedAttr>(), mIsArtificial); |
| 591 | unsigned int Index = 0; |
| 592 | |
| 593 | for(RecordDecl::field_iterator fit = RD->field_begin(); |
| 594 | fit != RD->field_end(); |
| 595 | fit++, Index++) |
| 596 | { |
| 597 | #define FAILED_CREATE_FIELD(err) do { \ |
| 598 | if(*err) \ |
| 599 | printf("RSExportRecordType::Create : failed to create field (%s)\n", err); \ |
| 600 | delete ERT; \ |
| 601 | return NULL; \ |
| 602 | } while(false) |
| 603 | /* FIXME: All fields should be primitive type */ |
| 604 | assert((*fit)->getKind() == Decl::Field); |
| 605 | FieldDecl* FD = *fit; |
| 606 | |
| 607 | /* We don't support bit field TODO: allow bitfield with size 8, 16, 32 */ |
| 608 | if(FD->isBitField()) |
| 609 | FAILED_CREATE_FIELD("bit field is not supported"); |
| 610 | |
| 611 | /* Type */ |
| 612 | RSExportType* ET = RSExportElement::CreateFromDecl(Context, FD); |
| 613 | |
| 614 | if(ET != NULL) |
| 615 | ERT->mFields.push_back( new Field(ET, FD->getName(), ERT, Index) ); |
| 616 | else |
| 617 | FAILED_CREATE_FIELD(FD->getName().str().c_str()); |
| 618 | #undef FAILED_CREATE_FIELD |
| 619 | } |
| 620 | |
| 621 | return ERT; |
| 622 | } |
| 623 | |
| 624 | RSExportType::ExportClass RSExportRecordType::getClass() const { |
| 625 | return RSExportType::ExportClassRecord; |
| 626 | } |
| 627 | |
| 628 | const llvm::Type* RSExportRecordType::convertToLLVMType() const { |
| 629 | std::vector<const llvm::Type*> FieldTypes; |
| 630 | |
| 631 | for(const_field_iterator FI = fields_begin(); |
| 632 | FI != fields_end(); |
| 633 | FI++) |
| 634 | { |
| 635 | const Field* F = *FI; |
| 636 | const RSExportType* FET = F->getType(); |
Shih-wei Liao | 1f0d88f | 2010-06-25 00:15:24 -0700 | [diff] [blame] | 637 | |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 638 | FieldTypes.push_back(FET->getLLVMType()); |
| 639 | } |
| 640 | |
| 641 | return llvm::StructType::get(getRSContext()->getLLVMContext(), FieldTypes, mIsPacked); |
| 642 | } |
| 643 | |
| 644 | /****************************** RSExportRecordType::Field ******************************/ |
| 645 | size_t RSExportRecordType::Field::getOffsetInParent() const { |
| 646 | /* Struct layout obtains below will be cached by LLVM */ |
| 647 | const llvm::StructLayout* SL = mParent->getRSContext()->getTargetData()->getStructLayout(static_cast<const llvm::StructType*>(mParent->getLLVMType())); |
| 648 | return SL->getElementOffset(mIndex); |
| 649 | } |
| 650 | |
| 651 | } /* namespace slang */ |