1 //===---- TargetInfo.h - Encapsulate target details -------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // These classes wrap the information about a call or function 10 // definition used to handle ABI compliancy. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_CLANG_LIB_CODEGEN_TARGETINFO_H 15 #define LLVM_CLANG_LIB_CODEGEN_TARGETINFO_H 16 17 #include "CGBuilder.h" 18 #include "CGValue.h" 19 #include "CodeGenModule.h" 20 #include "clang/AST/Type.h" 21 #include "clang/Basic/LLVM.h" 22 #include "clang/Basic/SyncScope.h" 23 #include "clang/Basic/TargetInfo.h" 24 #include "llvm/ADT/SmallString.h" 25 #include "llvm/ADT/StringRef.h" 26 27 namespace llvm { 28 class Constant; 29 class GlobalValue; 30 class Type; 31 class Value; 32 } 33 34 namespace clang { 35 class Decl; 36 37 namespace CodeGen { 38 class ABIInfo; 39 class CallArgList; 40 class CodeGenFunction; 41 class CGBlockInfo; 42 class SwiftABIInfo; 43 44 /// TargetCodeGenInfo - This class organizes various target-specific 45 /// codegeneration issues, like target-specific attributes, builtins and so 46 /// on. 47 class TargetCodeGenInfo { 48 std::unique_ptr<ABIInfo> Info; 49 50 protected: 51 // Target hooks supporting Swift calling conventions. The target must 52 // initialize this field if it claims to support these calling conventions 53 // by returning true from TargetInfo::checkCallingConvention for them. 54 std::unique_ptr<SwiftABIInfo> SwiftInfo; 55 56 // Returns ABI info helper for the target. This is for use by derived classes. 57 template <typename T> const T &getABIInfo() const { 58 return static_cast<const T &>(*Info); 59 } 60 61 public: 62 TargetCodeGenInfo(std::unique_ptr<ABIInfo> Info); 63 virtual ~TargetCodeGenInfo(); 64 65 /// getABIInfo() - Returns ABI info helper for the target. 66 const ABIInfo &getABIInfo() const { return *Info; } 67 68 /// Returns Swift ABI info helper for the target. 69 const SwiftABIInfo &getSwiftABIInfo() const { 70 assert(SwiftInfo && "Swift ABI info has not been initialized"); 71 return *SwiftInfo; 72 } 73 74 /// setTargetAttributes - Provides a convenient hook to handle extra 75 /// target-specific attributes for the given global. 76 virtual void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV, 77 CodeGen::CodeGenModule &M) const {} 78 79 /// emitTargetMetadata - Provides a convenient hook to handle extra 80 /// target-specific metadata for the given globals. 81 virtual void emitTargetMetadata( 82 CodeGen::CodeGenModule &CGM, 83 const llvm::MapVector<GlobalDecl, StringRef> &MangledDeclNames) const {} 84 85 /// Provides a convenient hook to handle extra target-specific globals. 86 virtual void emitTargetGlobals(CodeGen::CodeGenModule &CGM) const {} 87 88 /// Any further codegen related checks that need to be done on a function 89 /// signature in a target specific manner. 90 virtual void checkFunctionABI(CodeGenModule &CGM, 91 const FunctionDecl *Decl) const {} 92 93 /// Any further codegen related checks that need to be done on a function call 94 /// in a target specific manner. 95 virtual void checkFunctionCallABI(CodeGenModule &CGM, SourceLocation CallLoc, 96 const FunctionDecl *Caller, 97 const FunctionDecl *Callee, 98 const CallArgList &Args, 99 QualType ReturnType) const {} 100 101 /// Determines the size of struct _Unwind_Exception on this platform, 102 /// in 8-bit units. The Itanium ABI defines this as: 103 /// struct _Unwind_Exception { 104 /// uint64 exception_class; 105 /// _Unwind_Exception_Cleanup_Fn exception_cleanup; 106 /// uint64 private_1; 107 /// uint64 private_2; 108 /// }; 109 virtual unsigned getSizeOfUnwindException() const; 110 111 /// Controls whether __builtin_extend_pointer should sign-extend 112 /// pointers to uint64_t or zero-extend them (the default). Has 113 /// no effect for targets: 114 /// - that have 64-bit pointers, or 115 /// - that cannot address through registers larger than pointers, or 116 /// - that implicitly ignore/truncate the top bits when addressing 117 /// through such registers. 118 virtual bool extendPointerWithSExt() const { return false; } 119 120 /// Determines the DWARF register number for the stack pointer, for 121 /// exception-handling purposes. Implements __builtin_dwarf_sp_column. 122 /// 123 /// Returns -1 if the operation is unsupported by this target. 124 virtual int getDwarfEHStackPointer(CodeGen::CodeGenModule &M) const { 125 return -1; 126 } 127 128 /// Initializes the given DWARF EH register-size table, a char*. 129 /// Implements __builtin_init_dwarf_reg_size_table. 130 /// 131 /// Returns true if the operation is unsupported by this target. 132 virtual bool initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF, 133 llvm::Value *Address) const { 134 return true; 135 } 136 137 /// Performs the code-generation required to convert a return 138 /// address as stored by the system into the actual address of the 139 /// next instruction that will be executed. 140 /// 141 /// Used by __builtin_extract_return_addr(). 142 virtual llvm::Value *decodeReturnAddress(CodeGen::CodeGenFunction &CGF, 143 llvm::Value *Address) const { 144 return Address; 145 } 146 147 /// Performs the code-generation required to convert the address 148 /// of an instruction into a return address suitable for storage 149 /// by the system in a return slot. 150 /// 151 /// Used by __builtin_frob_return_addr(). 152 virtual llvm::Value *encodeReturnAddress(CodeGen::CodeGenFunction &CGF, 153 llvm::Value *Address) const { 154 return Address; 155 } 156 157 /// Performs a target specific test of a floating point value for things 158 /// like IsNaN, Infinity, ... Nullptr is returned if no implementation 159 /// exists. 160 virtual llvm::Value * 161 testFPKind(llvm::Value *V, unsigned BuiltinID, CGBuilderTy &Builder, 162 CodeGenModule &CGM) const { 163 assert(V->getType()->isFloatingPointTy() && "V should have an FP type."); 164 return nullptr; 165 } 166 167 /// Corrects the low-level LLVM type for a given constraint and "usual" 168 /// type. 169 /// 170 /// \returns A pointer to a new LLVM type, possibly the same as the original 171 /// on success; 0 on failure. 172 virtual llvm::Type *adjustInlineAsmType(CodeGen::CodeGenFunction &CGF, 173 StringRef Constraint, 174 llvm::Type *Ty) const { 175 return Ty; 176 } 177 178 /// Target hook to decide whether an inline asm operand can be passed 179 /// by value. 180 virtual bool isScalarizableAsmOperand(CodeGen::CodeGenFunction &CGF, 181 llvm::Type *Ty) const { 182 return false; 183 } 184 185 /// Adds constraints and types for result registers. 186 virtual void addReturnRegisterOutputs( 187 CodeGen::CodeGenFunction &CGF, CodeGen::LValue ReturnValue, 188 std::string &Constraints, std::vector<llvm::Type *> &ResultRegTypes, 189 std::vector<llvm::Type *> &ResultTruncRegTypes, 190 std::vector<CodeGen::LValue> &ResultRegDests, std::string &AsmString, 191 unsigned NumOutputs) const {} 192 193 /// doesReturnSlotInterfereWithArgs - Return true if the target uses an 194 /// argument slot for an 'sret' type. 195 virtual bool doesReturnSlotInterfereWithArgs() const { return true; } 196 197 /// Retrieve the address of a function to call immediately before 198 /// calling objc_retainAutoreleasedReturnValue. The 199 /// implementation of objc_autoreleaseReturnValue sniffs the 200 /// instruction stream following its return address to decide 201 /// whether it's a call to objc_retainAutoreleasedReturnValue. 202 /// This can be prohibitively expensive, depending on the 203 /// relocation model, and so on some targets it instead sniffs for 204 /// a particular instruction sequence. This functions returns 205 /// that instruction sequence in inline assembly, which will be 206 /// empty if none is required. 207 virtual StringRef getARCRetainAutoreleasedReturnValueMarker() const { 208 return ""; 209 } 210 211 /// Determine whether a call to objc_retainAutoreleasedReturnValue or 212 /// objc_unsafeClaimAutoreleasedReturnValue should be marked as 'notail'. 213 virtual bool markARCOptimizedReturnCallsAsNoTail() const { return false; } 214 215 /// Return a constant used by UBSan as a signature to identify functions 216 /// possessing type information, or 0 if the platform is unsupported. 217 /// This magic number is invalid instruction encoding in many targets. 218 virtual llvm::Constant * 219 getUBSanFunctionSignature(CodeGen::CodeGenModule &CGM) const { 220 return llvm::ConstantInt::get(CGM.Int32Ty, 0xc105cafe); 221 } 222 223 /// Determine whether a call to an unprototyped functions under 224 /// the given calling convention should use the variadic 225 /// convention or the non-variadic convention. 226 /// 227 /// There's a good reason to make a platform's variadic calling 228 /// convention be different from its non-variadic calling 229 /// convention: the non-variadic arguments can be passed in 230 /// registers (better for performance), and the variadic arguments 231 /// can be passed on the stack (also better for performance). If 232 /// this is done, however, unprototyped functions *must* use the 233 /// non-variadic convention, because C99 states that a call 234 /// through an unprototyped function type must succeed if the 235 /// function was defined with a non-variadic prototype with 236 /// compatible parameters. Therefore, splitting the conventions 237 /// makes it impossible to call a variadic function through an 238 /// unprototyped type. Since function prototypes came out in the 239 /// late 1970s, this is probably an acceptable trade-off. 240 /// Nonetheless, not all platforms are willing to make it, and in 241 /// particularly x86-64 bends over backwards to make the 242 /// conventions compatible. 243 /// 244 /// The default is false. This is correct whenever: 245 /// - the conventions are exactly the same, because it does not 246 /// matter and the resulting IR will be somewhat prettier in 247 /// certain cases; or 248 /// - the conventions are substantively different in how they pass 249 /// arguments, because in this case using the variadic convention 250 /// will lead to C99 violations. 251 /// 252 /// However, some platforms make the conventions identical except 253 /// for passing additional out-of-band information to a variadic 254 /// function: for example, x86-64 passes the number of SSE 255 /// arguments in %al. On these platforms, it is desirable to 256 /// call unprototyped functions using the variadic convention so 257 /// that unprototyped calls to varargs functions still succeed. 258 /// 259 /// Relatedly, platforms which pass the fixed arguments to this: 260 /// A foo(B, C, D); 261 /// differently than they would pass them to this: 262 /// A foo(B, C, D, ...); 263 /// may need to adjust the debugger-support code in Sema to do the 264 /// right thing when calling a function with no know signature. 265 virtual bool isNoProtoCallVariadic(const CodeGen::CallArgList &args, 266 const FunctionNoProtoType *fnType) const; 267 268 /// Gets the linker options necessary to link a dependent library on this 269 /// platform. 270 virtual void getDependentLibraryOption(llvm::StringRef Lib, 271 llvm::SmallString<24> &Opt) const; 272 273 /// Gets the linker options necessary to detect object file mismatches on 274 /// this platform. 275 virtual void getDetectMismatchOption(llvm::StringRef Name, 276 llvm::StringRef Value, 277 llvm::SmallString<32> &Opt) const {} 278 279 /// Get LLVM calling convention for OpenCL kernel. 280 virtual unsigned getOpenCLKernelCallingConv() const; 281 282 /// Get target specific null pointer. 283 /// \param T is the LLVM type of the null pointer. 284 /// \param QT is the clang QualType of the null pointer. 285 /// \return ConstantPointerNull with the given type \p T. 286 /// Each target can override it to return its own desired constant value. 287 virtual llvm::Constant *getNullPointer(const CodeGen::CodeGenModule &CGM, 288 llvm::PointerType *T, QualType QT) const; 289 290 /// Get target favored AST address space of a global variable for languages 291 /// other than OpenCL and CUDA. 292 /// If \p D is nullptr, returns the default target favored address space 293 /// for global variable. 294 virtual LangAS getGlobalVarAddressSpace(CodeGenModule &CGM, 295 const VarDecl *D) const; 296 297 /// Get the AST address space for alloca. 298 virtual LangAS getASTAllocaAddressSpace() const { return LangAS::Default; } 299 300 Address performAddrSpaceCast(CodeGen::CodeGenFunction &CGF, Address Addr, 301 LangAS SrcAddr, LangAS DestAddr, 302 llvm::Type *DestTy, 303 bool IsNonNull = false) const; 304 305 /// Perform address space cast of an expression of pointer type. 306 /// \param V is the LLVM value to be casted to another address space. 307 /// \param SrcAddr is the language address space of \p V. 308 /// \param DestAddr is the targeted language address space. 309 /// \param DestTy is the destination LLVM pointer type. 310 /// \param IsNonNull is the flag indicating \p V is known to be non null. 311 virtual llvm::Value *performAddrSpaceCast(CodeGen::CodeGenFunction &CGF, 312 llvm::Value *V, LangAS SrcAddr, 313 LangAS DestAddr, llvm::Type *DestTy, 314 bool IsNonNull = false) const; 315 316 /// Perform address space cast of a constant expression of pointer type. 317 /// \param V is the LLVM constant to be casted to another address space. 318 /// \param SrcAddr is the language address space of \p V. 319 /// \param DestAddr is the targeted language address space. 320 /// \param DestTy is the destination LLVM pointer type. 321 virtual llvm::Constant *performAddrSpaceCast(CodeGenModule &CGM, 322 llvm::Constant *V, 323 LangAS SrcAddr, LangAS DestAddr, 324 llvm::Type *DestTy) const; 325 326 /// Get address space of pointer parameter for __cxa_atexit. 327 virtual LangAS getAddrSpaceOfCxaAtexitPtrParam() const { 328 return LangAS::Default; 329 } 330 331 /// Get the syncscope used in LLVM IR. 332 virtual llvm::SyncScope::ID getLLVMSyncScopeID(const LangOptions &LangOpts, 333 SyncScope Scope, 334 llvm::AtomicOrdering Ordering, 335 llvm::LLVMContext &Ctx) const; 336 337 /// Interface class for filling custom fields of a block literal for OpenCL. 338 class TargetOpenCLBlockHelper { 339 public: 340 typedef std::pair<llvm::Value *, StringRef> ValueTy; 341 TargetOpenCLBlockHelper() {} 342 virtual ~TargetOpenCLBlockHelper() {} 343 /// Get the custom field types for OpenCL blocks. 344 virtual llvm::SmallVector<llvm::Type *, 1> getCustomFieldTypes() = 0; 345 /// Get the custom field values for OpenCL blocks. 346 virtual llvm::SmallVector<ValueTy, 1> 347 getCustomFieldValues(CodeGenFunction &CGF, const CGBlockInfo &Info) = 0; 348 virtual bool areAllCustomFieldValuesConstant(const CGBlockInfo &Info) = 0; 349 /// Get the custom field values for OpenCL blocks if all values are LLVM 350 /// constants. 351 virtual llvm::SmallVector<llvm::Constant *, 1> 352 getCustomFieldValues(CodeGenModule &CGM, const CGBlockInfo &Info) = 0; 353 }; 354 virtual TargetOpenCLBlockHelper *getTargetOpenCLBlockHelper() const { 355 return nullptr; 356 } 357 358 /// Create an OpenCL kernel for an enqueued block. The kernel function is 359 /// a wrapper for the block invoke function with target-specific calling 360 /// convention and ABI as an OpenCL kernel. The wrapper function accepts 361 /// block context and block arguments in target-specific way and calls 362 /// the original block invoke function. 363 virtual llvm::Value * 364 createEnqueuedBlockKernel(CodeGenFunction &CGF, 365 llvm::Function *BlockInvokeFunc, 366 llvm::Type *BlockTy) const; 367 368 /// \return true if the target supports alias from the unmangled name to the 369 /// mangled name of functions declared within an extern "C" region and marked 370 /// as 'used', and having internal linkage. 371 virtual bool shouldEmitStaticExternCAliases() const { return true; } 372 373 /// \return true if annonymous zero-sized bitfields should be emitted to 374 /// correctly distinguish between struct types whose memory layout is the 375 /// same, but whose layout may differ when used as argument passed by value 376 virtual bool shouldEmitDWARFBitFieldSeparators() const { return false; } 377 378 virtual void setCUDAKernelCallingConvention(const FunctionType *&FT) const {} 379 380 /// Return the device-side type for the CUDA device builtin surface type. 381 virtual llvm::Type *getCUDADeviceBuiltinSurfaceDeviceType() const { 382 // By default, no change from the original one. 383 return nullptr; 384 } 385 /// Return the device-side type for the CUDA device builtin texture type. 386 virtual llvm::Type *getCUDADeviceBuiltinTextureDeviceType() const { 387 // By default, no change from the original one. 388 return nullptr; 389 } 390 391 /// Return the WebAssembly externref reference type. 392 virtual llvm::Type *getWasmExternrefReferenceType() const { return nullptr; } 393 394 /// Return the WebAssembly funcref reference type. 395 virtual llvm::Type *getWasmFuncrefReferenceType() const { return nullptr; } 396 397 /// Emit the device-side copy of the builtin surface type. 398 virtual bool emitCUDADeviceBuiltinSurfaceDeviceCopy(CodeGenFunction &CGF, 399 LValue Dst, 400 LValue Src) const { 401 // DO NOTHING by default. 402 return false; 403 } 404 /// Emit the device-side copy of the builtin texture type. 405 virtual bool emitCUDADeviceBuiltinTextureDeviceCopy(CodeGenFunction &CGF, 406 LValue Dst, 407 LValue Src) const { 408 // DO NOTHING by default. 409 return false; 410 } 411 412 /// Return an LLVM type that corresponds to an OpenCL type. 413 virtual llvm::Type *getOpenCLType(CodeGenModule &CGM, const Type *T) const { 414 return nullptr; 415 } 416 417 // Set the Branch Protection Attributes of the Function accordingly to the 418 // BPI. Remove attributes that contradict with current BPI. 419 static void 420 setBranchProtectionFnAttributes(const TargetInfo::BranchProtectionInfo &BPI, 421 llvm::Function &F); 422 423 // Add the Branch Protection Attributes of the FuncAttrs. 424 static void 425 initBranchProtectionFnAttributes(const TargetInfo::BranchProtectionInfo &BPI, 426 llvm::AttrBuilder &FuncAttrs); 427 428 protected: 429 static std::string qualifyWindowsLibrary(StringRef Lib); 430 431 void addStackProbeTargetAttributes(const Decl *D, llvm::GlobalValue *GV, 432 CodeGen::CodeGenModule &CGM) const; 433 }; 434 435 std::unique_ptr<TargetCodeGenInfo> 436 createDefaultTargetCodeGenInfo(CodeGenModule &CGM); 437 438 enum class AArch64ABIKind { 439 AAPCS = 0, 440 DarwinPCS, 441 Win64, 442 AAPCSSoft, 443 PAuthTest, 444 }; 445 446 std::unique_ptr<TargetCodeGenInfo> 447 createAArch64TargetCodeGenInfo(CodeGenModule &CGM, AArch64ABIKind Kind); 448 449 std::unique_ptr<TargetCodeGenInfo> 450 createWindowsAArch64TargetCodeGenInfo(CodeGenModule &CGM, AArch64ABIKind K); 451 452 std::unique_ptr<TargetCodeGenInfo> 453 createAMDGPUTargetCodeGenInfo(CodeGenModule &CGM); 454 455 std::unique_ptr<TargetCodeGenInfo> 456 createARCTargetCodeGenInfo(CodeGenModule &CGM); 457 458 enum class ARMABIKind { 459 APCS = 0, 460 AAPCS = 1, 461 AAPCS_VFP = 2, 462 AAPCS16_VFP = 3, 463 }; 464 465 std::unique_ptr<TargetCodeGenInfo> 466 createARMTargetCodeGenInfo(CodeGenModule &CGM, ARMABIKind Kind); 467 468 std::unique_ptr<TargetCodeGenInfo> 469 createWindowsARMTargetCodeGenInfo(CodeGenModule &CGM, ARMABIKind K); 470 471 std::unique_ptr<TargetCodeGenInfo> 472 createAVRTargetCodeGenInfo(CodeGenModule &CGM, unsigned NPR, unsigned NRR); 473 474 std::unique_ptr<TargetCodeGenInfo> 475 createBPFTargetCodeGenInfo(CodeGenModule &CGM); 476 477 std::unique_ptr<TargetCodeGenInfo> 478 createCSKYTargetCodeGenInfo(CodeGenModule &CGM, unsigned FLen); 479 480 std::unique_ptr<TargetCodeGenInfo> 481 createHexagonTargetCodeGenInfo(CodeGenModule &CGM); 482 483 std::unique_ptr<TargetCodeGenInfo> 484 createLanaiTargetCodeGenInfo(CodeGenModule &CGM); 485 486 std::unique_ptr<TargetCodeGenInfo> 487 createLoongArchTargetCodeGenInfo(CodeGenModule &CGM, unsigned GRLen, 488 unsigned FLen); 489 490 std::unique_ptr<TargetCodeGenInfo> 491 createM68kTargetCodeGenInfo(CodeGenModule &CGM); 492 493 std::unique_ptr<TargetCodeGenInfo> 494 createMIPSTargetCodeGenInfo(CodeGenModule &CGM, bool IsOS32); 495 496 std::unique_ptr<TargetCodeGenInfo> 497 createMSP430TargetCodeGenInfo(CodeGenModule &CGM); 498 499 std::unique_ptr<TargetCodeGenInfo> 500 createNVPTXTargetCodeGenInfo(CodeGenModule &CGM); 501 502 std::unique_ptr<TargetCodeGenInfo> 503 createPNaClTargetCodeGenInfo(CodeGenModule &CGM); 504 505 enum class PPC64_SVR4_ABIKind { 506 ELFv1 = 0, 507 ELFv2, 508 }; 509 510 std::unique_ptr<TargetCodeGenInfo> 511 createAIXTargetCodeGenInfo(CodeGenModule &CGM, bool Is64Bit); 512 513 std::unique_ptr<TargetCodeGenInfo> 514 createPPC32TargetCodeGenInfo(CodeGenModule &CGM, bool SoftFloatABI); 515 516 std::unique_ptr<TargetCodeGenInfo> 517 createPPC64TargetCodeGenInfo(CodeGenModule &CGM); 518 519 std::unique_ptr<TargetCodeGenInfo> 520 createPPC64_SVR4_TargetCodeGenInfo(CodeGenModule &CGM, PPC64_SVR4_ABIKind Kind, 521 bool SoftFloatABI); 522 523 std::unique_ptr<TargetCodeGenInfo> 524 createRISCVTargetCodeGenInfo(CodeGenModule &CGM, unsigned XLen, unsigned FLen, 525 bool EABI); 526 527 std::unique_ptr<TargetCodeGenInfo> 528 createCommonSPIRTargetCodeGenInfo(CodeGenModule &CGM); 529 530 std::unique_ptr<TargetCodeGenInfo> 531 createSPIRVTargetCodeGenInfo(CodeGenModule &CGM); 532 533 std::unique_ptr<TargetCodeGenInfo> 534 createSparcV8TargetCodeGenInfo(CodeGenModule &CGM); 535 536 std::unique_ptr<TargetCodeGenInfo> 537 createSparcV9TargetCodeGenInfo(CodeGenModule &CGM); 538 539 std::unique_ptr<TargetCodeGenInfo> 540 createSystemZTargetCodeGenInfo(CodeGenModule &CGM, bool HasVector, 541 bool SoftFloatABI); 542 543 std::unique_ptr<TargetCodeGenInfo> 544 createTCETargetCodeGenInfo(CodeGenModule &CGM); 545 546 std::unique_ptr<TargetCodeGenInfo> 547 createVETargetCodeGenInfo(CodeGenModule &CGM); 548 549 enum class WebAssemblyABIKind { 550 MVP = 0, 551 ExperimentalMV = 1, 552 }; 553 554 std::unique_ptr<TargetCodeGenInfo> 555 createWebAssemblyTargetCodeGenInfo(CodeGenModule &CGM, WebAssemblyABIKind K); 556 557 /// The AVX ABI level for X86 targets. 558 enum class X86AVXABILevel { 559 None, 560 AVX, 561 AVX512, 562 }; 563 564 std::unique_ptr<TargetCodeGenInfo> createX86_32TargetCodeGenInfo( 565 CodeGenModule &CGM, bool DarwinVectorABI, bool Win32StructABI, 566 unsigned NumRegisterParameters, bool SoftFloatABI); 567 568 std::unique_ptr<TargetCodeGenInfo> 569 createWinX86_32TargetCodeGenInfo(CodeGenModule &CGM, bool DarwinVectorABI, 570 bool Win32StructABI, 571 unsigned NumRegisterParameters); 572 573 std::unique_ptr<TargetCodeGenInfo> 574 createX86_64TargetCodeGenInfo(CodeGenModule &CGM, X86AVXABILevel AVXLevel); 575 576 std::unique_ptr<TargetCodeGenInfo> 577 createWinX86_64TargetCodeGenInfo(CodeGenModule &CGM, X86AVXABILevel AVXLevel); 578 579 std::unique_ptr<TargetCodeGenInfo> 580 createXCoreTargetCodeGenInfo(CodeGenModule &CGM); 581 582 } // namespace CodeGen 583 } // namespace clang 584 585 #endif // LLVM_CLANG_LIB_CODEGEN_TARGETINFO_H 586