clang 19.0.0git
TargetInfo.h
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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 "CodeGenModule.h"
19#include "CGValue.h"
20#include "clang/AST/Type.h"
21#include "clang/Basic/LLVM.h"
23#include "llvm/ADT/SmallString.h"
24#include "llvm/ADT/StringRef.h"
25
26namespace llvm {
27class Constant;
28class GlobalValue;
29class Type;
30class Value;
31}
32
33namespace clang {
34class Decl;
35
36namespace CodeGen {
37class ABIInfo;
38class CallArgList;
39class CodeGenFunction;
40class CGBlockInfo;
41class SwiftABIInfo;
42
43/// TargetCodeGenInfo - This class organizes various target-specific
44/// codegeneration issues, like target-specific attributes, builtins and so
45/// on.
47 std::unique_ptr<ABIInfo> Info;
48
49protected:
50 // Target hooks supporting Swift calling conventions. The target must
51 // initialize this field if it claims to support these calling conventions
52 // by returning true from TargetInfo::checkCallingConvention for them.
53 std::unique_ptr<SwiftABIInfo> SwiftInfo;
54
55 // Returns ABI info helper for the target. This is for use by derived classes.
56 template <typename T> const T &getABIInfo() const {
57 return static_cast<const T &>(*Info);
58 }
59
60public:
61 TargetCodeGenInfo(std::unique_ptr<ABIInfo> Info);
63
64 /// getABIInfo() - Returns ABI info helper for the target.
65 const ABIInfo &getABIInfo() const { return *Info; }
66
67 /// Returns Swift ABI info helper for the target.
69 assert(SwiftInfo && "Swift ABI info has not been initialized");
70 return *SwiftInfo;
71 }
72
73 /// setTargetAttributes - Provides a convenient hook to handle extra
74 /// target-specific attributes for the given global.
75 virtual void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
76 CodeGen::CodeGenModule &M) const {}
77
78 /// emitTargetMetadata - Provides a convenient hook to handle extra
79 /// target-specific metadata for the given globals.
80 virtual void emitTargetMetadata(
82 const llvm::MapVector<GlobalDecl, StringRef> &MangledDeclNames) const {}
83
84 /// Provides a convenient hook to handle extra target-specific globals.
85 virtual void emitTargetGlobals(CodeGen::CodeGenModule &CGM) const {}
86
87 /// Any further codegen related checks that need to be done on a function call
88 /// in a target specific manner.
90 const FunctionDecl *Caller,
91 const FunctionDecl *Callee,
92 const CallArgList &Args) const {}
93
94 /// Determines the size of struct _Unwind_Exception on this platform,
95 /// in 8-bit units. The Itanium ABI defines this as:
96 /// struct _Unwind_Exception {
97 /// uint64 exception_class;
98 /// _Unwind_Exception_Cleanup_Fn exception_cleanup;
99 /// uint64 private_1;
100 /// uint64 private_2;
101 /// };
102 virtual unsigned getSizeOfUnwindException() const;
103
104 /// Controls whether __builtin_extend_pointer should sign-extend
105 /// pointers to uint64_t or zero-extend them (the default). Has
106 /// no effect for targets:
107 /// - that have 64-bit pointers, or
108 /// - that cannot address through registers larger than pointers, or
109 /// - that implicitly ignore/truncate the top bits when addressing
110 /// through such registers.
111 virtual bool extendPointerWithSExt() const { return false; }
112
113 /// Determines the DWARF register number for the stack pointer, for
114 /// exception-handling purposes. Implements __builtin_dwarf_sp_column.
115 ///
116 /// Returns -1 if the operation is unsupported by this target.
118 return -1;
119 }
120
121 /// Initializes the given DWARF EH register-size table, a char*.
122 /// Implements __builtin_init_dwarf_reg_size_table.
123 ///
124 /// Returns true if the operation is unsupported by this target.
126 llvm::Value *Address) const {
127 return true;
128 }
129
130 /// Performs the code-generation required to convert a return
131 /// address as stored by the system into the actual address of the
132 /// next instruction that will be executed.
133 ///
134 /// Used by __builtin_extract_return_addr().
136 llvm::Value *Address) const {
137 return Address;
138 }
139
140 /// Performs the code-generation required to convert the address
141 /// of an instruction into a return address suitable for storage
142 /// by the system in a return slot.
143 ///
144 /// Used by __builtin_frob_return_addr().
146 llvm::Value *Address) const {
147 return Address;
148 }
149
150 /// Performs a target specific test of a floating point value for things
151 /// like IsNaN, Infinity, ... Nullptr is returned if no implementation
152 /// exists.
153 virtual llvm::Value *
154 testFPKind(llvm::Value *V, unsigned BuiltinID, CGBuilderTy &Builder,
155 CodeGenModule &CGM) const {
156 assert(V->getType()->isFloatingPointTy() && "V should have an FP type.");
157 return nullptr;
158 }
159
160 /// Corrects the low-level LLVM type for a given constraint and "usual"
161 /// type.
162 ///
163 /// \returns A pointer to a new LLVM type, possibly the same as the original
164 /// on success; 0 on failure.
166 StringRef Constraint,
167 llvm::Type *Ty) const {
168 return Ty;
169 }
170
171 /// Target hook to decide whether an inline asm operand can be passed
172 /// by value.
174 llvm::Type *Ty) const {
175 return false;
176 }
177
178 /// Adds constraints and types for result registers.
181 std::string &Constraints, std::vector<llvm::Type *> &ResultRegTypes,
182 std::vector<llvm::Type *> &ResultTruncRegTypes,
183 std::vector<CodeGen::LValue> &ResultRegDests, std::string &AsmString,
184 unsigned NumOutputs) const {}
185
186 /// doesReturnSlotInterfereWithArgs - Return true if the target uses an
187 /// argument slot for an 'sret' type.
188 virtual bool doesReturnSlotInterfereWithArgs() const { return true; }
189
190 /// Retrieve the address of a function to call immediately before
191 /// calling objc_retainAutoreleasedReturnValue. The
192 /// implementation of objc_autoreleaseReturnValue sniffs the
193 /// instruction stream following its return address to decide
194 /// whether it's a call to objc_retainAutoreleasedReturnValue.
195 /// This can be prohibitively expensive, depending on the
196 /// relocation model, and so on some targets it instead sniffs for
197 /// a particular instruction sequence. This functions returns
198 /// that instruction sequence in inline assembly, which will be
199 /// empty if none is required.
201 return "";
202 }
203
204 /// Determine whether a call to objc_retainAutoreleasedReturnValue or
205 /// objc_unsafeClaimAutoreleasedReturnValue should be marked as 'notail'.
206 virtual bool markARCOptimizedReturnCallsAsNoTail() const { return false; }
207
208 /// Return a constant used by UBSan as a signature to identify functions
209 /// possessing type information, or 0 if the platform is unsupported.
210 /// This magic number is invalid instruction encoding in many targets.
211 virtual llvm::Constant *
213 return llvm::ConstantInt::get(CGM.Int32Ty, 0xc105cafe);
214 }
215
216 /// Determine whether a call to an unprototyped functions under
217 /// the given calling convention should use the variadic
218 /// convention or the non-variadic convention.
219 ///
220 /// There's a good reason to make a platform's variadic calling
221 /// convention be different from its non-variadic calling
222 /// convention: the non-variadic arguments can be passed in
223 /// registers (better for performance), and the variadic arguments
224 /// can be passed on the stack (also better for performance). If
225 /// this is done, however, unprototyped functions *must* use the
226 /// non-variadic convention, because C99 states that a call
227 /// through an unprototyped function type must succeed if the
228 /// function was defined with a non-variadic prototype with
229 /// compatible parameters. Therefore, splitting the conventions
230 /// makes it impossible to call a variadic function through an
231 /// unprototyped type. Since function prototypes came out in the
232 /// late 1970s, this is probably an acceptable trade-off.
233 /// Nonetheless, not all platforms are willing to make it, and in
234 /// particularly x86-64 bends over backwards to make the
235 /// conventions compatible.
236 ///
237 /// The default is false. This is correct whenever:
238 /// - the conventions are exactly the same, because it does not
239 /// matter and the resulting IR will be somewhat prettier in
240 /// certain cases; or
241 /// - the conventions are substantively different in how they pass
242 /// arguments, because in this case using the variadic convention
243 /// will lead to C99 violations.
244 ///
245 /// However, some platforms make the conventions identical except
246 /// for passing additional out-of-band information to a variadic
247 /// function: for example, x86-64 passes the number of SSE
248 /// arguments in %al. On these platforms, it is desirable to
249 /// call unprototyped functions using the variadic convention so
250 /// that unprototyped calls to varargs functions still succeed.
251 ///
252 /// Relatedly, platforms which pass the fixed arguments to this:
253 /// A foo(B, C, D);
254 /// differently than they would pass them to this:
255 /// A foo(B, C, D, ...);
256 /// may need to adjust the debugger-support code in Sema to do the
257 /// right thing when calling a function with no know signature.
258 virtual bool isNoProtoCallVariadic(const CodeGen::CallArgList &args,
259 const FunctionNoProtoType *fnType) const;
260
261 /// Gets the linker options necessary to link a dependent library on this
262 /// platform.
263 virtual void getDependentLibraryOption(llvm::StringRef Lib,
264 llvm::SmallString<24> &Opt) const;
265
266 /// Gets the linker options necessary to detect object file mismatches on
267 /// this platform.
268 virtual void getDetectMismatchOption(llvm::StringRef Name,
269 llvm::StringRef Value,
270 llvm::SmallString<32> &Opt) const {}
271
272 /// Get LLVM calling convention for OpenCL kernel.
273 virtual unsigned getOpenCLKernelCallingConv() const;
274
275 /// Get target specific null pointer.
276 /// \param T is the LLVM type of the null pointer.
277 /// \param QT is the clang QualType of the null pointer.
278 /// \return ConstantPointerNull with the given type \p T.
279 /// Each target can override it to return its own desired constant value.
280 virtual llvm::Constant *getNullPointer(const CodeGen::CodeGenModule &CGM,
281 llvm::PointerType *T, QualType QT) const;
282
283 /// Get target favored AST address space of a global variable for languages
284 /// other than OpenCL and CUDA.
285 /// If \p D is nullptr, returns the default target favored address space
286 /// for global variable.
288 const VarDecl *D) const;
289
290 /// Get the AST address space for alloca.
292
293 /// Perform address space cast of an expression of pointer type.
294 /// \param V is the LLVM value to be casted to another address space.
295 /// \param SrcAddr is the language address space of \p V.
296 /// \param DestAddr is the targeted language address space.
297 /// \param DestTy is the destination LLVM pointer type.
298 /// \param IsNonNull is the flag indicating \p V is known to be non null.
299 virtual llvm::Value *performAddrSpaceCast(CodeGen::CodeGenFunction &CGF,
300 llvm::Value *V, LangAS SrcAddr,
301 LangAS DestAddr, llvm::Type *DestTy,
302 bool IsNonNull = false) const;
303
304 /// Perform address space cast of a constant expression of pointer type.
305 /// \param V is the LLVM constant to be casted to another address space.
306 /// \param SrcAddr is the language address space of \p V.
307 /// \param DestAddr is the targeted language address space.
308 /// \param DestTy is the destination LLVM pointer type.
309 virtual llvm::Constant *performAddrSpaceCast(CodeGenModule &CGM,
310 llvm::Constant *V,
311 LangAS SrcAddr, LangAS DestAddr,
312 llvm::Type *DestTy) const;
313
314 /// Get address space of pointer parameter for __cxa_atexit.
316 return LangAS::Default;
317 }
318
319 /// Get the syncscope used in LLVM IR.
320 virtual llvm::SyncScope::ID getLLVMSyncScopeID(const LangOptions &LangOpts,
322 llvm::AtomicOrdering Ordering,
323 llvm::LLVMContext &Ctx) const;
324
325 /// Interface class for filling custom fields of a block literal for OpenCL.
327 public:
328 typedef std::pair<llvm::Value *, StringRef> ValueTy;
331 /// Get the custom field types for OpenCL blocks.
333 /// Get the custom field values for OpenCL blocks.
336 virtual bool areAllCustomFieldValuesConstant(const CGBlockInfo &Info) = 0;
337 /// Get the custom field values for OpenCL blocks if all values are LLVM
338 /// constants.
341 };
343 return nullptr;
344 }
345
346 /// Create an OpenCL kernel for an enqueued block. The kernel function is
347 /// a wrapper for the block invoke function with target-specific calling
348 /// convention and ABI as an OpenCL kernel. The wrapper function accepts
349 /// block context and block arguments in target-specific way and calls
350 /// the original block invoke function.
351 virtual llvm::Value *
353 llvm::Function *BlockInvokeFunc,
354 llvm::Type *BlockTy) const;
355
356 /// \return true if the target supports alias from the unmangled name to the
357 /// mangled name of functions declared within an extern "C" region and marked
358 /// as 'used', and having internal linkage.
359 virtual bool shouldEmitStaticExternCAliases() const { return true; }
360
361 /// \return true if annonymous zero-sized bitfields should be emitted to
362 /// correctly distinguish between struct types whose memory layout is the
363 /// same, but whose layout may differ when used as argument passed by value
364 virtual bool shouldEmitDWARFBitFieldSeparators() const { return false; }
365
366 virtual void setCUDAKernelCallingConvention(const FunctionType *&FT) const {}
367
368 /// Return the device-side type for the CUDA device builtin surface type.
369 virtual llvm::Type *getCUDADeviceBuiltinSurfaceDeviceType() const {
370 // By default, no change from the original one.
371 return nullptr;
372 }
373 /// Return the device-side type for the CUDA device builtin texture type.
374 virtual llvm::Type *getCUDADeviceBuiltinTextureDeviceType() const {
375 // By default, no change from the original one.
376 return nullptr;
377 }
378
379 /// Return the WebAssembly externref reference type.
380 virtual llvm::Type *getWasmExternrefReferenceType() const { return nullptr; }
381
382 /// Return the WebAssembly funcref reference type.
383 virtual llvm::Type *getWasmFuncrefReferenceType() const { return nullptr; }
384
385 /// Emit the device-side copy of the builtin surface type.
387 LValue Dst,
388 LValue Src) const {
389 // DO NOTHING by default.
390 return false;
391 }
392 /// Emit the device-side copy of the builtin texture type.
394 LValue Dst,
395 LValue Src) const {
396 // DO NOTHING by default.
397 return false;
398 }
399
400 /// Return an LLVM type that corresponds to an OpenCL type.
401 virtual llvm::Type *getOpenCLType(CodeGenModule &CGM, const Type *T) const {
402 return nullptr;
403 }
404
405protected:
406 static std::string qualifyWindowsLibrary(StringRef Lib);
407
408 void addStackProbeTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
409 CodeGen::CodeGenModule &CGM) const;
410};
411
412std::unique_ptr<TargetCodeGenInfo>
413createDefaultTargetCodeGenInfo(CodeGenModule &CGM);
414
415enum class AArch64ABIKind {
416 AAPCS = 0,
417 DarwinPCS,
418 Win64,
419};
420
421std::unique_ptr<TargetCodeGenInfo>
422createAArch64TargetCodeGenInfo(CodeGenModule &CGM, AArch64ABIKind Kind);
423
424std::unique_ptr<TargetCodeGenInfo>
426
427std::unique_ptr<TargetCodeGenInfo>
428createAMDGPUTargetCodeGenInfo(CodeGenModule &CGM);
429
430std::unique_ptr<TargetCodeGenInfo>
431createARCTargetCodeGenInfo(CodeGenModule &CGM);
432
433enum class ARMABIKind {
434 APCS = 0,
435 AAPCS = 1,
436 AAPCS_VFP = 2,
437 AAPCS16_VFP = 3,
438};
439
440std::unique_ptr<TargetCodeGenInfo>
441createARMTargetCodeGenInfo(CodeGenModule &CGM, ARMABIKind Kind);
442
443std::unique_ptr<TargetCodeGenInfo>
444createWindowsARMTargetCodeGenInfo(CodeGenModule &CGM, ARMABIKind K);
445
446std::unique_ptr<TargetCodeGenInfo>
447createAVRTargetCodeGenInfo(CodeGenModule &CGM, unsigned NPR, unsigned NRR);
448
449std::unique_ptr<TargetCodeGenInfo>
450createBPFTargetCodeGenInfo(CodeGenModule &CGM);
451
452std::unique_ptr<TargetCodeGenInfo>
453createCSKYTargetCodeGenInfo(CodeGenModule &CGM, unsigned FLen);
454
455std::unique_ptr<TargetCodeGenInfo>
456createHexagonTargetCodeGenInfo(CodeGenModule &CGM);
457
458std::unique_ptr<TargetCodeGenInfo>
459createLanaiTargetCodeGenInfo(CodeGenModule &CGM);
460
461std::unique_ptr<TargetCodeGenInfo>
462createLoongArchTargetCodeGenInfo(CodeGenModule &CGM, unsigned GRLen,
463 unsigned FLen);
464
465std::unique_ptr<TargetCodeGenInfo>
466createM68kTargetCodeGenInfo(CodeGenModule &CGM);
467
468std::unique_ptr<TargetCodeGenInfo>
469createMIPSTargetCodeGenInfo(CodeGenModule &CGM, bool IsOS32);
470
471std::unique_ptr<TargetCodeGenInfo>
472createMSP430TargetCodeGenInfo(CodeGenModule &CGM);
473
474std::unique_ptr<TargetCodeGenInfo>
475createNVPTXTargetCodeGenInfo(CodeGenModule &CGM);
476
477std::unique_ptr<TargetCodeGenInfo>
478createPNaClTargetCodeGenInfo(CodeGenModule &CGM);
479
481 ELFv1 = 0,
482 ELFv2,
483};
484
485std::unique_ptr<TargetCodeGenInfo>
486createAIXTargetCodeGenInfo(CodeGenModule &CGM, bool Is64Bit);
487
488std::unique_ptr<TargetCodeGenInfo>
489createPPC32TargetCodeGenInfo(CodeGenModule &CGM, bool SoftFloatABI);
490
491std::unique_ptr<TargetCodeGenInfo>
492createPPC64TargetCodeGenInfo(CodeGenModule &CGM);
493
494std::unique_ptr<TargetCodeGenInfo>
496 bool SoftFloatABI);
497
498std::unique_ptr<TargetCodeGenInfo>
499createRISCVTargetCodeGenInfo(CodeGenModule &CGM, unsigned XLen, unsigned FLen,
500 bool EABI);
501
502std::unique_ptr<TargetCodeGenInfo>
503createCommonSPIRTargetCodeGenInfo(CodeGenModule &CGM);
504
505std::unique_ptr<TargetCodeGenInfo>
506createSPIRVTargetCodeGenInfo(CodeGenModule &CGM);
507
508std::unique_ptr<TargetCodeGenInfo>
509createSparcV8TargetCodeGenInfo(CodeGenModule &CGM);
510
511std::unique_ptr<TargetCodeGenInfo>
512createSparcV9TargetCodeGenInfo(CodeGenModule &CGM);
513
514std::unique_ptr<TargetCodeGenInfo>
515createSystemZTargetCodeGenInfo(CodeGenModule &CGM, bool HasVector,
516 bool SoftFloatABI);
517
518std::unique_ptr<TargetCodeGenInfo>
519createTCETargetCodeGenInfo(CodeGenModule &CGM);
520
521std::unique_ptr<TargetCodeGenInfo>
522createVETargetCodeGenInfo(CodeGenModule &CGM);
523
525 MVP = 0,
526 ExperimentalMV = 1,
527};
528
529std::unique_ptr<TargetCodeGenInfo>
531
532/// The AVX ABI level for X86 targets.
533enum class X86AVXABILevel {
534 None,
535 AVX,
536 AVX512,
537};
538
539std::unique_ptr<TargetCodeGenInfo> createX86_32TargetCodeGenInfo(
540 CodeGenModule &CGM, bool DarwinVectorABI, bool Win32StructABI,
541 unsigned NumRegisterParameters, bool SoftFloatABI);
542
543std::unique_ptr<TargetCodeGenInfo>
544createWinX86_32TargetCodeGenInfo(CodeGenModule &CGM, bool DarwinVectorABI,
545 bool Win32StructABI,
546 unsigned NumRegisterParameters);
547
548std::unique_ptr<TargetCodeGenInfo>
549createX86_64TargetCodeGenInfo(CodeGenModule &CGM, X86AVXABILevel AVXLevel);
550
551std::unique_ptr<TargetCodeGenInfo>
552createWinX86_64TargetCodeGenInfo(CodeGenModule &CGM, X86AVXABILevel AVXLevel);
553
554std::unique_ptr<TargetCodeGenInfo>
555createXCoreTargetCodeGenInfo(CodeGenModule &CGM);
556
557} // namespace CodeGen
558} // namespace clang
559
560#endif // LLVM_CLANG_LIB_CODEGEN_TARGETINFO_H
#define V(N, I)
Definition: ASTContext.h:3259
MatchType Type
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified.
Provides definitions for the atomic synchronization scopes.
C Language Family Type Representation.
ABIInfo - Target specific hooks for defining how a type should be passed or returned from functions.
Definition: ABIInfo.h:45
An aligned address.
Definition: Address.h:29
CGBlockInfo - Information to generate a block literal.
Definition: CGBlocks.h:156
CallArgList - Type for representing both the value and type of arguments in a call.
Definition: CGCall.h:258
CodeGenFunction - This class organizes the per-function state that is used while generating LLVM code...
This class organizes the cross-function state that is used while generating LLVM code.
LValue - This represents an lvalue references.
Definition: CGValue.h:171
Target specific hooks for defining how a type should be passed or returned from functions with one of...
Definition: ABIInfo.h:128
Interface class for filling custom fields of a block literal for OpenCL.
Definition: TargetInfo.h:326
virtual llvm::SmallVector< llvm::Type *, 1 > getCustomFieldTypes()=0
Get the custom field types for OpenCL blocks.
virtual llvm::SmallVector< llvm::Constant *, 1 > getCustomFieldValues(CodeGenModule &CGM, const CGBlockInfo &Info)=0
Get the custom field values for OpenCL blocks if all values are LLVM constants.
virtual bool areAllCustomFieldValuesConstant(const CGBlockInfo &Info)=0
virtual llvm::SmallVector< ValueTy, 1 > getCustomFieldValues(CodeGenFunction &CGF, const CGBlockInfo &Info)=0
Get the custom field values for OpenCL blocks.
std::pair< llvm::Value *, StringRef > ValueTy
Definition: TargetInfo.h:328
TargetCodeGenInfo - This class organizes various target-specific codegeneration issues,...
Definition: TargetInfo.h:46
virtual void addReturnRegisterOutputs(CodeGen::CodeGenFunction &CGF, CodeGen::LValue ReturnValue, std::string &Constraints, std::vector< llvm::Type * > &ResultRegTypes, std::vector< llvm::Type * > &ResultTruncRegTypes, std::vector< CodeGen::LValue > &ResultRegDests, std::string &AsmString, unsigned NumOutputs) const
Adds constraints and types for result registers.
Definition: TargetInfo.h:179
virtual bool emitCUDADeviceBuiltinSurfaceDeviceCopy(CodeGenFunction &CGF, LValue Dst, LValue Src) const
Emit the device-side copy of the builtin surface type.
Definition: TargetInfo.h:386
virtual llvm::Type * getWasmFuncrefReferenceType() const
Return the WebAssembly funcref reference type.
Definition: TargetInfo.h:383
virtual unsigned getSizeOfUnwindException() const
Determines the size of struct _Unwind_Exception on this platform, in 8-bit units.
Definition: TargetInfo.cpp:76
virtual llvm::Type * getWasmExternrefReferenceType() const
Return the WebAssembly externref reference type.
Definition: TargetInfo.h:380
virtual llvm::Type * getOpenCLType(CodeGenModule &CGM, const Type *T) const
Return an LLVM type that corresponds to an OpenCL type.
Definition: TargetInfo.h:401
virtual bool emitCUDADeviceBuiltinTextureDeviceCopy(CodeGenFunction &CGF, LValue Dst, LValue Src) const
Emit the device-side copy of the builtin texture type.
Definition: TargetInfo.h:393
virtual bool doesReturnSlotInterfereWithArgs() const
doesReturnSlotInterfereWithArgs - Return true if the target uses an argument slot for an 'sret' type.
Definition: TargetInfo.h:188
std::unique_ptr< SwiftABIInfo > SwiftInfo
Definition: TargetInfo.h:53
virtual void setCUDAKernelCallingConvention(const FunctionType *&FT) const
Definition: TargetInfo.h:366
virtual llvm::Type * getCUDADeviceBuiltinSurfaceDeviceType() const
Return the device-side type for the CUDA device builtin surface type.
Definition: TargetInfo.h:369
virtual llvm::Type * adjustInlineAsmType(CodeGen::CodeGenFunction &CGF, StringRef Constraint, llvm::Type *Ty) const
Corrects the low-level LLVM type for a given constraint and "usual" type.
Definition: TargetInfo.h:165
virtual void getDependentLibraryOption(llvm::StringRef Lib, llvm::SmallString< 24 > &Opt) const
Gets the linker options necessary to link a dependent library on this platform.
Definition: TargetInfo.cpp:96
virtual StringRef getARCRetainAutoreleasedReturnValueMarker() const
Retrieve the address of a function to call immediately before calling objc_retainAutoreleasedReturnVa...
Definition: TargetInfo.h:200
const SwiftABIInfo & getSwiftABIInfo() const
Returns Swift ABI info helper for the target.
Definition: TargetInfo.h:68
virtual llvm::Value * encodeReturnAddress(CodeGen::CodeGenFunction &CGF, llvm::Value *Address) const
Performs the code-generation required to convert the address of an instruction into a return address ...
Definition: TargetInfo.h:145
virtual llvm::SyncScope::ID getLLVMSyncScopeID(const LangOptions &LangOpts, SyncScope Scope, llvm::AtomicOrdering Ordering, llvm::LLVMContext &Ctx) const
Get the syncscope used in LLVM IR.
Definition: TargetInfo.cpp:154
virtual llvm::Value * decodeReturnAddress(CodeGen::CodeGenFunction &CGF, llvm::Value *Address) const
Performs the code-generation required to convert a return address as stored by the system into the ac...
Definition: TargetInfo.h:135
virtual bool initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF, llvm::Value *Address) const
Initializes the given DWARF EH register-size table, a char*.
Definition: TargetInfo.h:125
const T & getABIInfo() const
Definition: TargetInfo.h:56
virtual unsigned getOpenCLKernelCallingConv() const
Get LLVM calling convention for OpenCL kernel.
Definition: TargetInfo.cpp:105
virtual LangAS getGlobalVarAddressSpace(CodeGenModule &CGM, const VarDecl *D) const
Get target favored AST address space of a global variable for languages other than OpenCL and CUDA.
Definition: TargetInfo.cpp:124
virtual llvm::Value * performAddrSpaceCast(CodeGen::CodeGenFunction &CGF, llvm::Value *V, LangAS SrcAddr, LangAS DestAddr, llvm::Type *DestTy, bool IsNonNull=false) const
Perform address space cast of an expression of pointer type.
Definition: TargetInfo.cpp:132
virtual void setTargetAttributes(const Decl *D, llvm::GlobalValue *GV, CodeGen::CodeGenModule &M) const
setTargetAttributes - Provides a convenient hook to handle extra target-specific attributes for the g...
Definition: TargetInfo.h:75
virtual llvm::Type * getCUDADeviceBuiltinTextureDeviceType() const
Return the device-side type for the CUDA device builtin texture type.
Definition: TargetInfo.h:374
virtual bool isScalarizableAsmOperand(CodeGen::CodeGenFunction &CGF, llvm::Type *Ty) const
Target hook to decide whether an inline asm operand can be passed by value.
Definition: TargetInfo.h:173
static std::string qualifyWindowsLibrary(StringRef Lib)
Definition: X86.cpp:1599
void addStackProbeTargetAttributes(const Decl *D, llvm::GlobalValue *GV, CodeGen::CodeGenModule &CGM) const
Definition: TargetInfo.cpp:161
const ABIInfo & getABIInfo() const
getABIInfo() - Returns ABI info helper for the target.
Definition: TargetInfo.h:65
virtual bool shouldEmitDWARFBitFieldSeparators() const
Definition: TargetInfo.h:364
virtual LangAS getAddrSpaceOfCxaAtexitPtrParam() const
Get address space of pointer parameter for __cxa_atexit.
Definition: TargetInfo.h:315
virtual bool extendPointerWithSExt() const
Controls whether __builtin_extend_pointer should sign-extend pointers to uint64_t or zero-extend them...
Definition: TargetInfo.h:111
virtual llvm::Constant * getNullPointer(const CodeGen::CodeGenModule &CGM, llvm::PointerType *T, QualType QT) const
Get target specific null pointer.
Definition: TargetInfo.cpp:119
virtual TargetOpenCLBlockHelper * getTargetOpenCLBlockHelper() const
Definition: TargetInfo.h:342
virtual LangAS getASTAllocaAddressSpace() const
Get the AST address space for alloca.
Definition: TargetInfo.h:291
virtual int getDwarfEHStackPointer(CodeGen::CodeGenModule &M) const
Determines the DWARF register number for the stack pointer, for exception-handling purposes.
Definition: TargetInfo.h:117
virtual void emitTargetMetadata(CodeGen::CodeGenModule &CGM, const llvm::MapVector< GlobalDecl, StringRef > &MangledDeclNames) const
emitTargetMetadata - Provides a convenient hook to handle extra target-specific metadata for the give...
Definition: TargetInfo.h:80
virtual void checkFunctionCallABI(CodeGenModule &CGM, SourceLocation CallLoc, const FunctionDecl *Caller, const FunctionDecl *Callee, const CallArgList &Args) const
Any further codegen related checks that need to be done on a function call in a target specific manne...
Definition: TargetInfo.h:89
virtual llvm::Value * createEnqueuedBlockKernel(CodeGenFunction &CGF, llvm::Function *BlockInvokeFunc, llvm::Type *BlockTy) const
Create an OpenCL kernel for an enqueued block.
Definition: TargetInfo.cpp:177
virtual llvm::Value * testFPKind(llvm::Value *V, unsigned BuiltinID, CGBuilderTy &Builder, CodeGenModule &CGM) const
Performs a target specific test of a floating point value for things like IsNaN, Infinity,...
Definition: TargetInfo.h:154
virtual bool markARCOptimizedReturnCallsAsNoTail() const
Determine whether a call to objc_retainAutoreleasedReturnValue or objc_unsafeClaimAutoreleasedReturnV...
Definition: TargetInfo.h:206
virtual void emitTargetGlobals(CodeGen::CodeGenModule &CGM) const
Provides a convenient hook to handle extra target-specific globals.
Definition: TargetInfo.h:85
virtual void getDetectMismatchOption(llvm::StringRef Name, llvm::StringRef Value, llvm::SmallString< 32 > &Opt) const
Gets the linker options necessary to detect object file mismatches on this platform.
Definition: TargetInfo.h:268
virtual llvm::Constant * getUBSanFunctionSignature(CodeGen::CodeGenModule &CGM) const
Return a constant used by UBSan as a signature to identify functions possessing type information,...
Definition: TargetInfo.h:212
virtual bool shouldEmitStaticExternCAliases() const
Definition: TargetInfo.h:359
virtual bool isNoProtoCallVariadic(const CodeGen::CallArgList &args, const FunctionNoProtoType *fnType) const
Determine whether a call to an unprototyped functions under the given calling convention should use t...
Definition: TargetInfo.cpp:86
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:85
Represents a function declaration or definition.
Definition: Decl.h:1959
Represents a K&R-style 'int foo()' function, which has no information available about its arguments.
Definition: Type.h:4153
FunctionType - C99 6.7.5.3 - Function Declarators.
Definition: Type.h:3798
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:418
A (possibly-)qualified type.
Definition: Type.h:737
Scope - A scope is a transient data structure that is used while parsing the program.
Definition: Scope.h:41
Encodes a location in the source.
The base class of the type hierarchy.
Definition: Type.h:1606
Represents a variable declaration or definition.
Definition: Decl.h:918
std::unique_ptr< TargetCodeGenInfo > createARMTargetCodeGenInfo(CodeGenModule &CGM, ARMABIKind Kind)
Definition: ARM.cpp:806
std::unique_ptr< TargetCodeGenInfo > createM68kTargetCodeGenInfo(CodeGenModule &CGM)
Definition: M68k.cpp:53
@ Decl
The l-value was an access to a declared entity or something equivalently strong, like the address of ...
std::unique_ptr< TargetCodeGenInfo > createBPFTargetCodeGenInfo(CodeGenModule &CGM)
Definition: BPF.cpp:98
std::unique_ptr< TargetCodeGenInfo > createMSP430TargetCodeGenInfo(CodeGenModule &CGM)
Definition: MSP430.cpp:92
std::unique_ptr< TargetCodeGenInfo > createX86_64TargetCodeGenInfo(CodeGenModule &CGM, X86AVXABILevel AVXLevel)
Definition: X86.cpp:3427
std::unique_ptr< TargetCodeGenInfo > createWebAssemblyTargetCodeGenInfo(CodeGenModule &CGM, WebAssemblyABIKind K)
std::unique_ptr< TargetCodeGenInfo > createPPC64_SVR4_TargetCodeGenInfo(CodeGenModule &CGM, PPC64_SVR4_ABIKind Kind, bool SoftFloatABI)
Definition: PPC.cpp:989
std::unique_ptr< TargetCodeGenInfo > createMIPSTargetCodeGenInfo(CodeGenModule &CGM, bool IsOS32)
Definition: Mips.cpp:439
std::unique_ptr< TargetCodeGenInfo > createHexagonTargetCodeGenInfo(CodeGenModule &CGM)
Definition: Hexagon.cpp:421
std::unique_ptr< TargetCodeGenInfo > createNVPTXTargetCodeGenInfo(CodeGenModule &CGM)
Definition: NVPTX.cpp:358
std::unique_ptr< TargetCodeGenInfo > createSystemZTargetCodeGenInfo(CodeGenModule &CGM, bool HasVector, bool SoftFloatABI)
Definition: SystemZ.cpp:534
std::unique_ptr< TargetCodeGenInfo > createWinX86_32TargetCodeGenInfo(CodeGenModule &CGM, bool DarwinVectorABI, bool Win32StructABI, unsigned NumRegisterParameters)
Definition: X86.cpp:3416
std::unique_ptr< TargetCodeGenInfo > createAIXTargetCodeGenInfo(CodeGenModule &CGM, bool Is64Bit)
Definition: PPC.cpp:972
std::unique_ptr< TargetCodeGenInfo > createAMDGPUTargetCodeGenInfo(CodeGenModule &CGM)
Definition: AMDGPU.cpp:652
X86AVXABILevel
The AVX ABI level for X86 targets.
Definition: TargetInfo.h:533
std::unique_ptr< TargetCodeGenInfo > createTCETargetCodeGenInfo(CodeGenModule &CGM)
Definition: TCE.cpp:80
std::unique_ptr< TargetCodeGenInfo > createWindowsARMTargetCodeGenInfo(CodeGenModule &CGM, ARMABIKind K)
Definition: ARM.cpp:811
std::unique_ptr< TargetCodeGenInfo > createAVRTargetCodeGenInfo(CodeGenModule &CGM, unsigned NPR, unsigned NRR)
Definition: AVR.cpp:151
std::unique_ptr< TargetCodeGenInfo > createARCTargetCodeGenInfo(CodeGenModule &CGM)
Definition: ARC.cpp:156
std::unique_ptr< TargetCodeGenInfo > createDefaultTargetCodeGenInfo(CodeGenModule &CGM)
Definition: TargetInfo.cpp:218
std::unique_ptr< TargetCodeGenInfo > createAArch64TargetCodeGenInfo(CodeGenModule &CGM, AArch64ABIKind Kind)
Definition: AArch64.cpp:895
std::unique_ptr< TargetCodeGenInfo > createSPIRVTargetCodeGenInfo(CodeGenModule &CGM)
Definition: SPIR.cpp:216
std::unique_ptr< TargetCodeGenInfo > createSparcV8TargetCodeGenInfo(CodeGenModule &CGM)
Definition: Sparc.cpp:402
std::unique_ptr< TargetCodeGenInfo > createVETargetCodeGenInfo(CodeGenModule &CGM)
Definition: VE.cpp:69
std::unique_ptr< TargetCodeGenInfo > createCommonSPIRTargetCodeGenInfo(CodeGenModule &CGM)
Definition: SPIR.cpp:211
std::unique_ptr< TargetCodeGenInfo > createRISCVTargetCodeGenInfo(CodeGenModule &CGM, unsigned XLen, unsigned FLen, bool EABI)
Definition: RISCV.cpp:557
std::unique_ptr< TargetCodeGenInfo > createWindowsAArch64TargetCodeGenInfo(CodeGenModule &CGM, AArch64ABIKind K)
Definition: AArch64.cpp:901
std::unique_ptr< TargetCodeGenInfo > createSparcV9TargetCodeGenInfo(CodeGenModule &CGM)
Definition: Sparc.cpp:407
std::unique_ptr< TargetCodeGenInfo > createPNaClTargetCodeGenInfo(CodeGenModule &CGM)
Definition: PNaCl.cpp:107
std::unique_ptr< TargetCodeGenInfo > createX86_32TargetCodeGenInfo(CodeGenModule &CGM, bool DarwinVectorABI, bool Win32StructABI, unsigned NumRegisterParameters, bool SoftFloatABI)
Definition: X86.cpp:3406
std::unique_ptr< TargetCodeGenInfo > createLanaiTargetCodeGenInfo(CodeGenModule &CGM)
Definition: Lanai.cpp:152
std::unique_ptr< TargetCodeGenInfo > createPPC32TargetCodeGenInfo(CodeGenModule &CGM, bool SoftFloatABI)
Definition: PPC.cpp:977
std::unique_ptr< TargetCodeGenInfo > createLoongArchTargetCodeGenInfo(CodeGenModule &CGM, unsigned GRLen, unsigned FLen)
Definition: LoongArch.cpp:457
std::unique_ptr< TargetCodeGenInfo > createPPC64TargetCodeGenInfo(CodeGenModule &CGM)
Definition: PPC.cpp:985
std::unique_ptr< TargetCodeGenInfo > createWinX86_64TargetCodeGenInfo(CodeGenModule &CGM, X86AVXABILevel AVXLevel)
Definition: X86.cpp:3433
std::unique_ptr< TargetCodeGenInfo > createXCoreTargetCodeGenInfo(CodeGenModule &CGM)
Definition: XCore.cpp:660
std::unique_ptr< TargetCodeGenInfo > createCSKYTargetCodeGenInfo(CodeGenModule &CGM, unsigned FLen)
Definition: CSKY.cpp:173
The JSON file list parser is used to communicate input to InstallAPI.
LangAS
Defines the address space values used by the address space qualifier of QualType.
Definition: AddressSpaces.h:25
SyncScope
Defines synch scope values used internally by clang.
Definition: SyncScope.h:42
YAML serialization mapping.
Definition: Dominators.h:30