| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | #include "CodeGenTypes.h" |
| 14 | #include "CGCXXABI.h" |
| 15 | #include "CGCall.h" |
| 16 | #include "CGOpenCLRuntime.h" |
| 17 | #include "CGRecordLayout.h" |
| 18 | #include "TargetInfo.h" |
| 19 | #include "clang/AST/ASTContext.h" |
| 20 | #include "clang/AST/DeclCXX.h" |
| 21 | #include "clang/AST/DeclObjC.h" |
| 22 | #include "clang/AST/Expr.h" |
| 23 | #include "clang/AST/RecordLayout.h" |
| 24 | #include "clang/CodeGen/CGFunctionInfo.h" |
| 25 | #include "llvm/IR/DataLayout.h" |
| 26 | #include "llvm/IR/DerivedTypes.h" |
| 27 | #include "llvm/IR/Module.h" |
| 28 | using namespace clang; |
| 29 | using namespace CodeGen; |
| 30 | |
| 31 | CodeGenTypes::CodeGenTypes(CodeGenModule &cgm) |
| 32 | : CGM(cgm), Context(cgm.getContext()), TheModule(cgm.getModule()), |
| 33 | Target(cgm.getTarget()), TheCXXABI(cgm.getCXXABI()), |
| 34 | TheABIInfo(cgm.getTargetCodeGenInfo().getABIInfo()) { |
| 35 | SkippedLayout = false; |
| 36 | } |
| 37 | |
| 38 | CodeGenTypes::~CodeGenTypes() { |
| 39 | llvm::DeleteContainerSeconds(CGRecordLayouts); |
| 40 | |
| 41 | for (llvm::FoldingSet<CGFunctionInfo>::iterator |
| 42 | I = FunctionInfos.begin(), E = FunctionInfos.end(); I != E; ) |
| 43 | delete &*I++; |
| 44 | } |
| 45 | |
| 46 | const CodeGenOptions &CodeGenTypes::getCodeGenOpts() const { |
| 47 | return CGM.getCodeGenOpts(); |
| 48 | } |
| 49 | |
| 50 | void CodeGenTypes::addRecordTypeName(const RecordDecl *RD, |
| 51 | llvm::StructType *Ty, |
| 52 | StringRef suffix) { |
| 53 | SmallString<256> TypeName; |
| 54 | llvm::raw_svector_ostream OS(TypeName); |
| 55 | OS << RD->getKindName() << '.'; |
| 56 | |
| 57 | |
| 58 | |
| 59 | if (RD->getIdentifier()) { |
| 60 | |
| 61 | |
| 62 | if (RD->getDeclContext()) |
| 63 | RD->printQualifiedName(OS); |
| 64 | else |
| 65 | RD->printName(OS); |
| 66 | } else if (const TypedefNameDecl *TDD = RD->getTypedefNameForAnonDecl()) { |
| 67 | |
| 68 | |
| 69 | if (TDD->getDeclContext()) |
| 70 | TDD->printQualifiedName(OS); |
| 71 | else |
| 72 | TDD->printName(OS); |
| 73 | } else |
| 74 | OS << "anon"; |
| 75 | |
| 76 | if (!suffix.empty()) |
| 77 | OS << suffix; |
| 78 | |
| 79 | Ty->setName(OS.str()); |
| 80 | } |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | llvm::Type *CodeGenTypes::ConvertTypeForMem(QualType T) { |
| 87 | llvm::Type *R = ConvertType(T); |
| 88 | |
| 89 | |
| 90 | if (!R->isIntegerTy(1)) |
| 91 | return R; |
| 92 | |
| 93 | |
| 94 | return llvm::IntegerType::get(getLLVMContext(), |
| 95 | (unsigned)Context.getTypeSize(T)); |
| 96 | } |
| 97 | |
| 98 | |
| 99 | |
| 100 | |
| 101 | bool CodeGenTypes::isRecordLayoutComplete(const Type *Ty) const { |
| 102 | llvm::DenseMap<const Type*, llvm::StructType *>::const_iterator I = |
| 103 | RecordDeclTypes.find(Ty); |
| 104 | return I != RecordDeclTypes.end() && !I->second->isOpaque(); |
| 105 | } |
| 106 | |
| 107 | static bool |
| 108 | isSafeToConvert(QualType T, CodeGenTypes &CGT, |
| 109 | llvm::SmallPtrSet<const RecordDecl*, 16> &AlreadyChecked); |
| 110 | |
| 111 | |
| 112 | |
| 113 | |
| 114 | |
| 115 | static bool |
| 116 | isSafeToConvert(const RecordDecl *RD, CodeGenTypes &CGT, |
| 117 | llvm::SmallPtrSet<const RecordDecl*, 16> &AlreadyChecked) { |
| 118 | |
| 119 | |
| 120 | if (!AlreadyChecked.insert(RD).second) |
| 121 | return true; |
| 122 | |
| 123 | const Type *Key = CGT.getContext().getTagDeclType(RD).getTypePtr(); |
| 124 | |
| 125 | |
| 126 | if (CGT.isRecordLayoutComplete(Key)) return true; |
| 127 | |
| 128 | |
| 129 | if (CGT.isRecordBeingLaidOut(Key)) |
| 130 | return false; |
| 131 | |
| 132 | |
| 133 | |
| 134 | |
| 135 | |
| 136 | if (const CXXRecordDecl *CRD = dyn_cast<CXXRecordDecl>(RD)) { |
| 137 | for (const auto &I : CRD->bases()) |
| 138 | if (!isSafeToConvert(I.getType()->getAs<RecordType>()->getDecl(), |
| 139 | CGT, AlreadyChecked)) |
| 140 | return false; |
| 141 | } |
| 142 | |
| 143 | |
| 144 | |
| 145 | for (const auto *I : RD->fields()) |
| 146 | if (!isSafeToConvert(I->getType(), CGT, AlreadyChecked)) |
| 147 | return false; |
| 148 | |
| 149 | |
| 150 | return true; |
| 151 | } |
| 152 | |
| 153 | |
| 154 | |
| 155 | |
| 156 | static bool |
| 157 | isSafeToConvert(QualType T, CodeGenTypes &CGT, |
| 158 | llvm::SmallPtrSet<const RecordDecl*, 16> &AlreadyChecked) { |
| 159 | |
| 160 | if (const auto *AT = T->getAs<AtomicType>()) |
| 161 | T = AT->getValueType(); |
| 162 | |
| 163 | |
| 164 | if (const auto *RT = T->getAs<RecordType>()) |
| 165 | return isSafeToConvert(RT->getDecl(), CGT, AlreadyChecked); |
| 166 | |
| 167 | |
| 168 | if (const auto *AT = CGT.getContext().getAsArrayType(T)) |
| 169 | return isSafeToConvert(AT->getElementType(), CGT, AlreadyChecked); |
| 170 | |
| 171 | |
| 172 | |
| 173 | |
| 174 | return true; |
| 175 | } |
| 176 | |
| 177 | |
| 178 | |
| 179 | |
| 180 | |
| 181 | static bool isSafeToConvert(const RecordDecl *RD, CodeGenTypes &CGT) { |
| 182 | |
| 183 | if (CGT.noRecordsBeingLaidOut()) return true; |
| 184 | |
| 185 | llvm::SmallPtrSet<const RecordDecl*, 16> AlreadyChecked; |
| 186 | return isSafeToConvert(RD, CGT, AlreadyChecked); |
| 187 | } |
| 188 | |
| 189 | |
| 190 | |
| 191 | |
| 192 | |
| 193 | |
| 194 | bool CodeGenTypes::isFuncParamTypeConvertible(QualType Ty) { |
| 195 | |
| 196 | |
| 197 | if (const auto *MPT = Ty->getAs<MemberPointerType>()) |
| 198 | return getCXXABI().isMemberPointerConvertible(MPT); |
| 199 | |
| 200 | |
| 201 | const TagType *TT = Ty->getAs<TagType>(); |
| 202 | if (!TT) return true; |
| 203 | |
| 204 | |
| 205 | if (TT->isIncompleteType()) |
| 206 | return false; |
| 207 | |
| 208 | |
| 209 | const RecordType *RT = dyn_cast<RecordType>(TT); |
| 210 | if (!RT) return true; |
| 211 | |
| 212 | |
| 213 | |
| 214 | |
| 215 | |
| 216 | |
| 217 | |
| 218 | |
| 219 | return isSafeToConvert(RT->getDecl(), *this); |
| 220 | } |
| 221 | |
| 222 | |
| 223 | |
| 224 | |
| 225 | |
| 226 | |
| 227 | |
| 228 | bool CodeGenTypes::isFuncTypeConvertible(const FunctionType *FT) { |
| 229 | if (!isFuncParamTypeConvertible(FT->getReturnType())) |
| 230 | return false; |
| 231 | |
| 232 | if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(FT)) |
| 233 | for (unsigned i = 0, e = FPT->getNumParams(); i != e; i++) |
| 234 | if (!isFuncParamTypeConvertible(FPT->getParamType(i))) |
| 235 | return false; |
| 236 | |
| 237 | return true; |
| 238 | } |
| 239 | |
| 240 | |
| 241 | |
| 242 | void CodeGenTypes::UpdateCompletedType(const TagDecl *TD) { |
| 243 | |
| 244 | |
| 245 | |
| 246 | if (const EnumDecl *ED = dyn_cast<EnumDecl>(TD)) { |
| 247 | |
| 248 | if (TypeCache.count(ED->getTypeForDecl())) { |
| 249 | |
| 250 | |
| 251 | |
| 252 | if (!ConvertType(ED->getIntegerType())->isIntegerTy(32)) |
| 253 | TypeCache.clear(); |
| 254 | } |
| 255 | |
| 256 | |
| 257 | if (CGDebugInfo *DI = CGM.getModuleDebugInfo()) |
| 258 | DI->completeType(ED); |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | |
| 263 | |
| 264 | const RecordDecl *RD = cast<RecordDecl>(TD); |
| 265 | if (RD->isDependentType()) return; |
| 266 | |
| 267 | |
| 268 | |
| 269 | if (RecordDeclTypes.count(Context.getTagDeclType(RD).getTypePtr())) |
| 270 | ConvertRecordDeclType(RD); |
| 271 | |
| 272 | |
| 273 | |
| 274 | if (CGDebugInfo *DI = CGM.getModuleDebugInfo()) |
| 275 | DI->completeType(RD); |
| 276 | } |
| 277 | |
| 278 | void CodeGenTypes::RefreshTypeCacheForClass(const CXXRecordDecl *RD) { |
| 279 | QualType T = Context.getRecordType(RD); |
| 280 | T = Context.getCanonicalType(T); |
| 281 | |
| 282 | const Type *Ty = T.getTypePtr(); |
| 283 | if (RecordsWithOpaqueMemberPointers.count(Ty)) { |
| 284 | TypeCache.clear(); |
| 285 | RecordsWithOpaqueMemberPointers.clear(); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | static llvm::Type *getTypeForFormat(llvm::LLVMContext &VMContext, |
| 290 | const llvm::fltSemantics &format, |
| 291 | bool UseNativeHalf = false) { |
| 292 | if (&format == &llvm::APFloat::IEEEhalf()) { |
| 293 | if (UseNativeHalf) |
| 294 | return llvm::Type::getHalfTy(VMContext); |
| 295 | else |
| 296 | return llvm::Type::getInt16Ty(VMContext); |
| 297 | } |
| 298 | if (&format == &llvm::APFloat::IEEEsingle()) |
| 299 | return llvm::Type::getFloatTy(VMContext); |
| 300 | if (&format == &llvm::APFloat::IEEEdouble()) |
| 301 | return llvm::Type::getDoubleTy(VMContext); |
| 302 | if (&format == &llvm::APFloat::IEEEquad()) |
| 303 | return llvm::Type::getFP128Ty(VMContext); |
| 304 | if (&format == &llvm::APFloat::PPCDoubleDouble()) |
| 305 | return llvm::Type::getPPC_FP128Ty(VMContext); |
| 306 | if (&format == &llvm::APFloat::x87DoubleExtended()) |
| 307 | return llvm::Type::getX86_FP80Ty(VMContext); |
| 308 | llvm_unreachable("Unknown float format!"); |
| 309 | } |
| 310 | |
| 311 | llvm::Type *CodeGenTypes::ConvertFunctionTypeInternal(QualType QFT) { |
| 312 | assert(QFT.isCanonical()); |
| 313 | const Type *Ty = QFT.getTypePtr(); |
| 314 | const FunctionType *FT = cast<FunctionType>(QFT.getTypePtr()); |
| 315 | |
| 316 | |
| 317 | |
| 318 | if (!isFuncTypeConvertible(FT)) { |
| 319 | |
| 320 | |
| 321 | |
| 322 | |
| 323 | if (const RecordType *RT = FT->getReturnType()->getAs<RecordType>()) |
| 324 | ConvertRecordDeclType(RT->getDecl()); |
| 325 | if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(FT)) |
| 326 | for (unsigned i = 0, e = FPT->getNumParams(); i != e; i++) |
| 327 | if (const RecordType *RT = FPT->getParamType(i)->getAs<RecordType>()) |
| 328 | ConvertRecordDeclType(RT->getDecl()); |
| 329 | |
| 330 | SkippedLayout = true; |
| 331 | |
| 332 | |
| 333 | return llvm::StructType::get(getLLVMContext()); |
| 334 | } |
| 335 | |
| 336 | |
| 337 | |
| 338 | |
| 339 | if (!RecordsBeingLaidOut.insert(Ty).second) { |
| 340 | SkippedLayout = true; |
| 341 | return llvm::StructType::get(getLLVMContext()); |
| 342 | } |
| 343 | |
| 344 | |
| 345 | |
| 346 | const CGFunctionInfo *FI; |
| 347 | if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(FT)) { |
| 348 | FI = &arrangeFreeFunctionType( |
| 349 | CanQual<FunctionProtoType>::CreateUnsafe(QualType(FPT, 0))); |
| 350 | } else { |
| 351 | const FunctionNoProtoType *FNPT = cast<FunctionNoProtoType>(FT); |
| 352 | FI = &arrangeFreeFunctionType( |
| 353 | CanQual<FunctionNoProtoType>::CreateUnsafe(QualType(FNPT, 0))); |
| 354 | } |
| 355 | |
| 356 | llvm::Type *ResultType = nullptr; |
| 357 | |
| 358 | |
| 359 | if (FunctionsBeingProcessed.count(FI)) { |
| 360 | |
| 361 | ResultType = llvm::StructType::get(getLLVMContext()); |
| 362 | SkippedLayout = true; |
| 363 | } else { |
| 364 | |
| 365 | |
| 366 | ResultType = GetFunctionType(*FI); |
| 367 | } |
| 368 | |
| 369 | RecordsBeingLaidOut.erase(Ty); |
| 370 | |
| 371 | if (SkippedLayout) |
| 372 | TypeCache.clear(); |
| 373 | |
| 374 | if (RecordsBeingLaidOut.empty()) |
| 375 | while (!DeferredRecords.empty()) |
| 376 | ConvertRecordDeclType(DeferredRecords.pop_back_val()); |
| 377 | return ResultType; |
| 378 | } |
| 379 | |
| 380 | |
| 381 | llvm::Type *CodeGenTypes::ConvertType(QualType T) { |
| 382 | T = Context.getCanonicalType(T); |
| 383 | |
| 384 | const Type *Ty = T.getTypePtr(); |
| 385 | |
| 386 | |
| 387 | if (const RecordType *RT = dyn_cast<RecordType>(Ty)) |
| 388 | return ConvertRecordDeclType(RT->getDecl()); |
| 389 | |
| 390 | |
| 391 | llvm::DenseMap<const Type *, llvm::Type *>::iterator TCI = TypeCache.find(Ty); |
| 392 | |
| 393 | if (TCI != TypeCache.end()) |
| 394 | return TCI->second; |
| 395 | |
| 396 | |
| 397 | llvm::Type *ResultType = nullptr; |
| 398 | switch (Ty->getTypeClass()) { |
| 399 | case Type::Record: |
| 400 | #define TYPE(Class, Base) |
| 401 | #define ABSTRACT_TYPE(Class, Base) |
| 402 | #define NON_CANONICAL_TYPE(Class, Base) case Type::Class: |
| 403 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 404 | #define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 405 | #include "clang/AST/TypeNodes.def" |
| 406 | llvm_unreachable("Non-canonical or dependent types aren't possible."); |
| 407 | |
| 408 | case Type::Builtin: { |
| 409 | switch (cast<BuiltinType>(Ty)->getKind()) { |
| 410 | case BuiltinType::Void: |
| 411 | case BuiltinType::ObjCId: |
| 412 | case BuiltinType::ObjCClass: |
| 413 | case BuiltinType::ObjCSel: |
| 414 | |
| 415 | |
| 416 | ResultType = llvm::Type::getInt8Ty(getLLVMContext()); |
| 417 | break; |
| 418 | |
| 419 | case BuiltinType::Bool: |
| 420 | |
| 421 | ResultType = llvm::Type::getInt1Ty(getLLVMContext()); |
| 422 | break; |
| 423 | |
| 424 | case BuiltinType::Char_S: |
| 425 | case BuiltinType::Char_U: |
| 426 | case BuiltinType::SChar: |
| 427 | case BuiltinType::UChar: |
| 428 | case BuiltinType::Short: |
| 429 | case BuiltinType::UShort: |
| 430 | case BuiltinType::Int: |
| 431 | case BuiltinType::UInt: |
| 432 | case BuiltinType::Long: |
| 433 | case BuiltinType::ULong: |
| 434 | case BuiltinType::LongLong: |
| 435 | case BuiltinType::ULongLong: |
| 436 | case BuiltinType::WChar_S: |
| 437 | case BuiltinType::WChar_U: |
| 438 | case BuiltinType::Char8: |
| 439 | case BuiltinType::Char16: |
| 440 | case BuiltinType::Char32: |
| 441 | case BuiltinType::ShortAccum: |
| 442 | case BuiltinType::Accum: |
| 443 | case BuiltinType::LongAccum: |
| 444 | case BuiltinType::UShortAccum: |
| 445 | case BuiltinType::UAccum: |
| 446 | case BuiltinType::ULongAccum: |
| 447 | case BuiltinType::ShortFract: |
| 448 | case BuiltinType::Fract: |
| 449 | case BuiltinType::LongFract: |
| 450 | case BuiltinType::UShortFract: |
| 451 | case BuiltinType::UFract: |
| 452 | case BuiltinType::ULongFract: |
| 453 | case BuiltinType::SatShortAccum: |
| 454 | case BuiltinType::SatAccum: |
| 455 | case BuiltinType::SatLongAccum: |
| 456 | case BuiltinType::SatUShortAccum: |
| 457 | case BuiltinType::SatUAccum: |
| 458 | case BuiltinType::SatULongAccum: |
| 459 | case BuiltinType::SatShortFract: |
| 460 | case BuiltinType::SatFract: |
| 461 | case BuiltinType::SatLongFract: |
| 462 | case BuiltinType::SatUShortFract: |
| 463 | case BuiltinType::SatUFract: |
| 464 | case BuiltinType::SatULongFract: |
| 465 | ResultType = llvm::IntegerType::get(getLLVMContext(), |
| 466 | static_cast<unsigned>(Context.getTypeSize(T))); |
| 467 | break; |
| 468 | |
| 469 | case BuiltinType::Float16: |
| 470 | ResultType = |
| 471 | getTypeForFormat(getLLVMContext(), Context.getFloatTypeSemantics(T), |
| 472 | true); |
| 473 | break; |
| 474 | |
| 475 | case BuiltinType::Half: |
| 476 | |
| 477 | ResultType = getTypeForFormat( |
| 478 | getLLVMContext(), Context.getFloatTypeSemantics(T), |
| 479 | Context.getLangOpts().NativeHalfType || |
| 480 | !Context.getTargetInfo().useFP16ConversionIntrinsics()); |
| 481 | break; |
| 482 | case BuiltinType::Float: |
| 483 | case BuiltinType::Double: |
| 484 | case BuiltinType::LongDouble: |
| 485 | case BuiltinType::Float128: |
| 486 | ResultType = getTypeForFormat(getLLVMContext(), |
| 487 | Context.getFloatTypeSemantics(T), |
| 488 | false); |
| 489 | break; |
| 490 | |
| 491 | case BuiltinType::NullPtr: |
| 492 | |
| 493 | ResultType = llvm::Type::getInt8PtrTy(getLLVMContext()); |
| 494 | break; |
| 495 | |
| 496 | case BuiltinType::UInt128: |
| 497 | case BuiltinType::Int128: |
| 498 | ResultType = llvm::IntegerType::get(getLLVMContext(), 128); |
| 499 | break; |
| 500 | |
| 501 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ |
| 502 | case BuiltinType::Id: |
| 503 | #include "clang/Basic/OpenCLImageTypes.def" |
| 504 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ |
| 505 | case BuiltinType::Id: |
| 506 | #include "clang/Basic/OpenCLExtensionTypes.def" |
| 507 | case BuiltinType::OCLSampler: |
| 508 | case BuiltinType::OCLEvent: |
| 509 | case BuiltinType::OCLClkEvent: |
| 510 | case BuiltinType::OCLQueue: |
| 511 | case BuiltinType::OCLReserveID: |
| 512 | ResultType = CGM.getOpenCLRuntime().convertOpenCLSpecificType(Ty); |
| 513 | break; |
| 514 | |
| 515 | case BuiltinType::Dependent: |
| 516 | #define BUILTIN_TYPE(Id, SingletonId) |
| 517 | #define PLACEHOLDER_TYPE(Id, SingletonId) \ |
| 518 | case BuiltinType::Id: |
| 519 | #include "clang/AST/BuiltinTypes.def" |
| 520 | llvm_unreachable("Unexpected placeholder builtin type!"); |
| 521 | } |
| 522 | break; |
| 523 | } |
| 524 | case Type::Auto: |
| 525 | case Type::DeducedTemplateSpecialization: |
| 526 | llvm_unreachable("Unexpected undeduced type!"); |
| 527 | case Type::Complex: { |
| 528 | llvm::Type *EltTy = ConvertType(cast<ComplexType>(Ty)->getElementType()); |
| 529 | ResultType = llvm::StructType::get(EltTy, EltTy); |
| 530 | break; |
| 531 | } |
| 532 | case Type::LValueReference: |
| 533 | case Type::RValueReference: { |
| 534 | const ReferenceType *RTy = cast<ReferenceType>(Ty); |
| 535 | QualType ETy = RTy->getPointeeType(); |
| 536 | llvm::Type *PointeeType = ConvertTypeForMem(ETy); |
| 537 | unsigned AS = Context.getTargetAddressSpace(ETy); |
| 538 | ResultType = llvm::PointerType::get(PointeeType, AS); |
| 539 | break; |
| 540 | } |
| 541 | case Type::Pointer: { |
| 542 | const PointerType *PTy = cast<PointerType>(Ty); |
| 543 | QualType ETy = PTy->getPointeeType(); |
| 544 | llvm::Type *PointeeType = ConvertTypeForMem(ETy); |
| 545 | if (PointeeType->isVoidTy()) |
| 546 | PointeeType = llvm::Type::getInt8Ty(getLLVMContext()); |
| 547 | unsigned AS = Context.getTargetAddressSpace(ETy); |
| 548 | ResultType = llvm::PointerType::get(PointeeType, AS); |
| 549 | break; |
| 550 | } |
| 551 | |
| 552 | case Type::VariableArray: { |
| 553 | const VariableArrayType *A = cast<VariableArrayType>(Ty); |
| 554 | (0) . __assert_fail ("A->getIndexTypeCVRQualifiers() == 0 && \"FIXME. We only handle trivial array types so far!\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 555, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(A->getIndexTypeCVRQualifiers() == 0 && |
| 555 | (0) . __assert_fail ("A->getIndexTypeCVRQualifiers() == 0 && \"FIXME. We only handle trivial array types so far!\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 555, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "FIXME: We only handle trivial array types so far!"); |
| 556 | |
| 557 | |
| 558 | ResultType = ConvertTypeForMem(A->getElementType()); |
| 559 | break; |
| 560 | } |
| 561 | case Type::IncompleteArray: { |
| 562 | const IncompleteArrayType *A = cast<IncompleteArrayType>(Ty); |
| 563 | (0) . __assert_fail ("A->getIndexTypeCVRQualifiers() == 0 && \"FIXME. We only handle trivial array types so far!\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 564, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(A->getIndexTypeCVRQualifiers() == 0 && |
| 564 | (0) . __assert_fail ("A->getIndexTypeCVRQualifiers() == 0 && \"FIXME. We only handle trivial array types so far!\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 564, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "FIXME: We only handle trivial array types so far!"); |
| 565 | |
| 566 | |
| 567 | ResultType = ConvertTypeForMem(A->getElementType()); |
| 568 | if (!ResultType->isSized()) { |
| 569 | SkippedLayout = true; |
| 570 | ResultType = llvm::Type::getInt8Ty(getLLVMContext()); |
| 571 | } |
| 572 | ResultType = llvm::ArrayType::get(ResultType, 0); |
| 573 | break; |
| 574 | } |
| 575 | case Type::ConstantArray: { |
| 576 | const ConstantArrayType *A = cast<ConstantArrayType>(Ty); |
| 577 | llvm::Type *EltTy = ConvertTypeForMem(A->getElementType()); |
| 578 | |
| 579 | |
| 580 | |
| 581 | if (!EltTy->isSized()) { |
| 582 | SkippedLayout = true; |
| 583 | EltTy = llvm::Type::getInt8Ty(getLLVMContext()); |
| 584 | } |
| 585 | |
| 586 | ResultType = llvm::ArrayType::get(EltTy, A->getSize().getZExtValue()); |
| 587 | break; |
| 588 | } |
| 589 | case Type::ExtVector: |
| 590 | case Type::Vector: { |
| 591 | const VectorType *VT = cast<VectorType>(Ty); |
| 592 | ResultType = llvm::VectorType::get(ConvertType(VT->getElementType()), |
| 593 | VT->getNumElements()); |
| 594 | break; |
| 595 | } |
| 596 | case Type::FunctionNoProto: |
| 597 | case Type::FunctionProto: |
| 598 | ResultType = ConvertFunctionTypeInternal(T); |
| 599 | break; |
| 600 | case Type::ObjCObject: |
| 601 | ResultType = ConvertType(cast<ObjCObjectType>(Ty)->getBaseType()); |
| 602 | break; |
| 603 | |
| 604 | case Type::ObjCInterface: { |
| 605 | |
| 606 | |
| 607 | |
| 608 | llvm::Type *&T = InterfaceTypes[cast<ObjCInterfaceType>(Ty)]; |
| 609 | if (!T) |
| 610 | T = llvm::StructType::create(getLLVMContext()); |
| 611 | ResultType = T; |
| 612 | break; |
| 613 | } |
| 614 | |
| 615 | case Type::ObjCObjectPointer: { |
| 616 | |
| 617 | |
| 618 | |
| 619 | llvm::Type *T = |
| 620 | ConvertTypeForMem(cast<ObjCObjectPointerType>(Ty)->getPointeeType()); |
| 621 | ResultType = T->getPointerTo(); |
| 622 | break; |
| 623 | } |
| 624 | |
| 625 | case Type::Enum: { |
| 626 | const EnumDecl *ED = cast<EnumType>(Ty)->getDecl(); |
| 627 | if (ED->isCompleteDefinition() || ED->isFixed()) |
| 628 | return ConvertType(ED->getIntegerType()); |
| 629 | |
| 630 | |
| 631 | |
| 632 | ResultType = llvm::Type::getInt32Ty(getLLVMContext()); |
| 633 | break; |
| 634 | } |
| 635 | |
| 636 | case Type::BlockPointer: { |
| 637 | const QualType FTy = cast<BlockPointerType>(Ty)->getPointeeType(); |
| 638 | llvm::Type *PointeeType = CGM.getLangOpts().OpenCL |
| 639 | ? CGM.getGenericBlockLiteralType() |
| 640 | : ConvertTypeForMem(FTy); |
| 641 | unsigned AS = Context.getTargetAddressSpace(FTy); |
| 642 | ResultType = llvm::PointerType::get(PointeeType, AS); |
| 643 | break; |
| 644 | } |
| 645 | |
| 646 | case Type::MemberPointer: { |
| 647 | auto *MPTy = cast<MemberPointerType>(Ty); |
| 648 | if (!getCXXABI().isMemberPointerConvertible(MPTy)) { |
| 649 | RecordsWithOpaqueMemberPointers.insert(MPTy->getClass()); |
| 650 | ResultType = llvm::StructType::create(getLLVMContext()); |
| 651 | } else { |
| 652 | ResultType = getCXXABI().ConvertMemberPointerType(MPTy); |
| 653 | } |
| 654 | break; |
| 655 | } |
| 656 | |
| 657 | case Type::Atomic: { |
| 658 | QualType valueType = cast<AtomicType>(Ty)->getValueType(); |
| 659 | ResultType = ConvertTypeForMem(valueType); |
| 660 | |
| 661 | |
| 662 | uint64_t valueSize = Context.getTypeSize(valueType); |
| 663 | uint64_t atomicSize = Context.getTypeSize(Ty); |
| 664 | if (valueSize != atomicSize) { |
| 665 | assert(valueSize < atomicSize); |
| 666 | llvm::Type *elts[] = { |
| 667 | ResultType, |
| 668 | llvm::ArrayType::get(CGM.Int8Ty, (atomicSize - valueSize) / 8) |
| 669 | }; |
| 670 | ResultType = llvm::StructType::get(getLLVMContext(), |
| 671 | llvm::makeArrayRef(elts)); |
| 672 | } |
| 673 | break; |
| 674 | } |
| 675 | case Type::Pipe: { |
| 676 | ResultType = CGM.getOpenCLRuntime().getPipeType(cast<PipeType>(Ty)); |
| 677 | break; |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | (0) . __assert_fail ("ResultType && \"Didn't convert a type?\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 681, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(ResultType && "Didn't convert a type?"); |
| 682 | |
| 683 | TypeCache[Ty] = ResultType; |
| 684 | return ResultType; |
| 685 | } |
| 686 | |
| 687 | bool CodeGenModule::isPaddedAtomicType(QualType type) { |
| 688 | return isPaddedAtomicType(type->castAs<AtomicType>()); |
| 689 | } |
| 690 | |
| 691 | bool CodeGenModule::isPaddedAtomicType(const AtomicType *type) { |
| 692 | return Context.getTypeSize(type) != Context.getTypeSize(type->getValueType()); |
| 693 | } |
| 694 | |
| 695 | |
| 696 | llvm::StructType *CodeGenTypes::ConvertRecordDeclType(const RecordDecl *RD) { |
| 697 | |
| 698 | |
| 699 | const Type *Key = Context.getTagDeclType(RD).getTypePtr(); |
| 700 | |
| 701 | llvm::StructType *&Entry = RecordDeclTypes[Key]; |
| 702 | |
| 703 | |
| 704 | if (!Entry) { |
| 705 | Entry = llvm::StructType::create(getLLVMContext()); |
| 706 | addRecordTypeName(RD, Entry, ""); |
| 707 | } |
| 708 | llvm::StructType *Ty = Entry; |
| 709 | |
| 710 | |
| 711 | |
| 712 | RD = RD->getDefinition(); |
| 713 | if (!RD || !RD->isCompleteDefinition() || !Ty->isOpaque()) |
| 714 | return Ty; |
| 715 | |
| 716 | |
| 717 | if (!isSafeToConvert(RD, *this)) { |
| 718 | DeferredRecords.push_back(RD); |
| 719 | return Ty; |
| 720 | } |
| 721 | |
| 722 | |
| 723 | bool InsertResult = RecordsBeingLaidOut.insert(Key).second; |
| 724 | (void)InsertResult; |
| 725 | (0) . __assert_fail ("InsertResult && \"Recursively compiling a struct?\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 725, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(InsertResult && "Recursively compiling a struct?"); |
| 726 | |
| 727 | |
| 728 | if (const CXXRecordDecl *CRD = dyn_cast<CXXRecordDecl>(RD)) { |
| 729 | for (const auto &I : CRD->bases()) { |
| 730 | if (I.isVirtual()) continue; |
| 731 | |
| 732 | ConvertRecordDeclType(I.getType()->getAs<RecordType>()->getDecl()); |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | |
| 737 | CGRecordLayout *Layout = ComputeRecordLayout(RD, Ty); |
| 738 | CGRecordLayouts[Key] = Layout; |
| 739 | |
| 740 | |
| 741 | bool EraseResult = RecordsBeingLaidOut.erase(Key); (void)EraseResult; |
| 742 | (0) . __assert_fail ("EraseResult && \"struct not in RecordsBeingLaidOut set?\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 742, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(EraseResult && "struct not in RecordsBeingLaidOut set?"); |
| 743 | |
| 744 | |
| 745 | |
| 746 | |
| 747 | if (SkippedLayout) |
| 748 | TypeCache.clear(); |
| 749 | |
| 750 | |
| 751 | |
| 752 | if (RecordsBeingLaidOut.empty()) |
| 753 | while (!DeferredRecords.empty()) |
| 754 | ConvertRecordDeclType(DeferredRecords.pop_back_val()); |
| 755 | |
| 756 | return Ty; |
| 757 | } |
| 758 | |
| 759 | |
| 760 | const CGRecordLayout & |
| 761 | CodeGenTypes::getCGRecordLayout(const RecordDecl *RD) { |
| 762 | const Type *Key = Context.getTagDeclType(RD).getTypePtr(); |
| 763 | |
| 764 | const CGRecordLayout *Layout = CGRecordLayouts.lookup(Key); |
| 765 | if (!Layout) { |
| 766 | |
| 767 | ConvertRecordDeclType(RD); |
| 768 | |
| 769 | |
| 770 | Layout = CGRecordLayouts.lookup(Key); |
| 771 | } |
| 772 | |
| 773 | (0) . __assert_fail ("Layout && \"Unable to find record layout information for type\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 773, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Layout && "Unable to find record layout information for type"); |
| 774 | return *Layout; |
| 775 | } |
| 776 | |
| 777 | bool CodeGenTypes::isPointerZeroInitializable(QualType T) { |
| 778 | (0) . __assert_fail ("(T->isAnyPointerType() || T->isBlockPointerType()) && \"Invalid type\"", "/home/seafit/code_projects/clang_source/clang/lib/CodeGen/CodeGenTypes.cpp", 778, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((T->isAnyPointerType() || T->isBlockPointerType()) && "Invalid type"); |
| 779 | return isZeroInitializable(T); |
| 780 | } |
| 781 | |
| 782 | bool CodeGenTypes::isZeroInitializable(QualType T) { |
| 783 | if (T->getAs<PointerType>()) |
| 784 | return Context.getTargetNullPointerValue(T) == 0; |
| 785 | |
| 786 | if (const auto *AT = Context.getAsArrayType(T)) { |
| 787 | if (isa<IncompleteArrayType>(AT)) |
| 788 | return true; |
| 789 | if (const auto *CAT = dyn_cast<ConstantArrayType>(AT)) |
| 790 | if (Context.getConstantArrayElementCount(CAT) == 0) |
| 791 | return true; |
| 792 | T = Context.getBaseElementType(T); |
| 793 | } |
| 794 | |
| 795 | |
| 796 | |
| 797 | if (const RecordType *RT = T->getAs<RecordType>()) { |
| 798 | const RecordDecl *RD = RT->getDecl(); |
| 799 | return isZeroInitializable(RD); |
| 800 | } |
| 801 | |
| 802 | |
| 803 | if (const MemberPointerType *MPT = T->getAs<MemberPointerType>()) |
| 804 | return getCXXABI().isZeroInitializable(MPT); |
| 805 | |
| 806 | |
| 807 | return true; |
| 808 | } |
| 809 | |
| 810 | bool CodeGenTypes::isZeroInitializable(const RecordDecl *RD) { |
| 811 | return getCGRecordLayout(RD).isZeroInitializable(); |
| 812 | } |
| 813 | |