1 | //===-- llvm/Target/TargetMachine.h - Target Information --------*- 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 | // This file defines the TargetMachine and LLVMTargetMachine classes. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_TARGET_TARGETMACHINE_H |
14 | #define LLVM_TARGET_TARGETMACHINE_H |
15 | |
16 | #include "llvm/ADT/StringRef.h" |
17 | #include "llvm/IR/DataLayout.h" |
18 | #include "llvm/IR/PassManager.h" |
19 | #include "llvm/Support/Allocator.h" |
20 | #include "llvm/Support/CodeGen.h" |
21 | #include "llvm/Support/Error.h" |
22 | #include "llvm/Support/PGOOptions.h" |
23 | #include "llvm/Target/CGPassBuilderOption.h" |
24 | #include "llvm/Target/TargetOptions.h" |
25 | #include "llvm/TargetParser/Triple.h" |
26 | #include <optional> |
27 | #include <string> |
28 | #include <utility> |
29 | |
30 | namespace llvm { |
31 | |
32 | class AAManager; |
33 | using ModulePassManager = PassManager<Module>; |
34 | |
35 | class Function; |
36 | class GlobalValue; |
37 | class MachineFunctionPassManager; |
38 | class MachineFunctionAnalysisManager; |
39 | class MachineModuleInfoWrapperPass; |
40 | class Mangler; |
41 | class MCAsmInfo; |
42 | class MCContext; |
43 | class MCInstrInfo; |
44 | class MCRegisterInfo; |
45 | class MCStreamer; |
46 | class MCSubtargetInfo; |
47 | class MCSymbol; |
48 | class raw_pwrite_stream; |
49 | class PassBuilder; |
50 | struct PerFunctionMIParsingState; |
51 | class SMDiagnostic; |
52 | class SMRange; |
53 | class Target; |
54 | class TargetIntrinsicInfo; |
55 | class TargetIRAnalysis; |
56 | class TargetTransformInfo; |
57 | class TargetLoweringObjectFile; |
58 | class TargetPassConfig; |
59 | class TargetSubtargetInfo; |
60 | |
61 | // The old pass manager infrastructure is hidden in a legacy namespace now. |
62 | namespace legacy { |
63 | class PassManagerBase; |
64 | } |
65 | using legacy::PassManagerBase; |
66 | |
67 | struct MachineFunctionInfo; |
68 | namespace yaml { |
69 | struct MachineFunctionInfo; |
70 | } |
71 | |
72 | //===----------------------------------------------------------------------===// |
73 | /// |
74 | /// Primary interface to the complete machine description for the target |
75 | /// machine. All target-specific information should be accessible through this |
76 | /// interface. |
77 | /// |
78 | class TargetMachine { |
79 | protected: // Can only create subclasses. |
80 | TargetMachine(const Target &T, StringRef DataLayoutString, |
81 | const Triple &TargetTriple, StringRef CPU, StringRef FS, |
82 | const TargetOptions &Options); |
83 | |
84 | /// The Target that this machine was created for. |
85 | const Target &TheTarget; |
86 | |
87 | /// DataLayout for the target: keep ABI type size and alignment. |
88 | /// |
89 | /// The DataLayout is created based on the string representation provided |
90 | /// during construction. It is kept here only to avoid reparsing the string |
91 | /// but should not really be used during compilation, because it has an |
92 | /// internal cache that is context specific. |
93 | const DataLayout DL; |
94 | |
95 | /// Triple string, CPU name, and target feature strings the TargetMachine |
96 | /// instance is created with. |
97 | Triple TargetTriple; |
98 | std::string TargetCPU; |
99 | std::string TargetFS; |
100 | |
101 | Reloc::Model RM = Reloc::Static; |
102 | CodeModel::Model CMModel = CodeModel::Small; |
103 | uint64_t LargeDataThreshold = 0; |
104 | CodeGenOptLevel OptLevel = CodeGenOptLevel::Default; |
105 | |
106 | /// Contains target specific asm information. |
107 | std::unique_ptr<const MCAsmInfo> AsmInfo; |
108 | std::unique_ptr<const MCRegisterInfo> MRI; |
109 | std::unique_ptr<const MCInstrInfo> MII; |
110 | std::unique_ptr<const MCSubtargetInfo> STI; |
111 | |
112 | unsigned RequireStructuredCFG : 1; |
113 | unsigned O0WantsFastISel : 1; |
114 | |
115 | // PGO related tunables. |
116 | std::optional<PGOOptions> PGOOption; |
117 | |
118 | public: |
119 | mutable TargetOptions Options; |
120 | |
121 | TargetMachine(const TargetMachine &) = delete; |
122 | void operator=(const TargetMachine &) = delete; |
123 | virtual ~TargetMachine(); |
124 | |
125 | const Target &getTarget() const { return TheTarget; } |
126 | |
127 | const Triple &getTargetTriple() const { return TargetTriple; } |
128 | StringRef getTargetCPU() const { return TargetCPU; } |
129 | StringRef getTargetFeatureString() const { return TargetFS; } |
130 | void setTargetFeatureString(StringRef FS) { TargetFS = std::string(FS); } |
131 | |
132 | /// Virtual method implemented by subclasses that returns a reference to that |
133 | /// target's TargetSubtargetInfo-derived member variable. |
134 | virtual const TargetSubtargetInfo *getSubtargetImpl(const Function &) const { |
135 | return nullptr; |
136 | } |
137 | virtual TargetLoweringObjectFile *getObjFileLowering() const { |
138 | return nullptr; |
139 | } |
140 | |
141 | /// Create the target's instance of MachineFunctionInfo |
142 | virtual MachineFunctionInfo * |
143 | createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, |
144 | const TargetSubtargetInfo *STI) const { |
145 | return nullptr; |
146 | } |
147 | |
148 | /// Allocate and return a default initialized instance of the YAML |
149 | /// representation for the MachineFunctionInfo. |
150 | virtual yaml::MachineFunctionInfo *createDefaultFuncInfoYAML() const { |
151 | return nullptr; |
152 | } |
153 | |
154 | /// Allocate and initialize an instance of the YAML representation of the |
155 | /// MachineFunctionInfo. |
156 | virtual yaml::MachineFunctionInfo * |
157 | convertFuncInfoToYAML(const MachineFunction &MF) const { |
158 | return nullptr; |
159 | } |
160 | |
161 | /// Parse out the target's MachineFunctionInfo from the YAML reprsentation. |
162 | virtual bool parseMachineFunctionInfo(const yaml::MachineFunctionInfo &, |
163 | PerFunctionMIParsingState &PFS, |
164 | SMDiagnostic &Error, |
165 | SMRange &SourceRange) const { |
166 | return false; |
167 | } |
168 | |
169 | /// This method returns a pointer to the specified type of |
170 | /// TargetSubtargetInfo. In debug builds, it verifies that the object being |
171 | /// returned is of the correct type. |
172 | template <typename STC> const STC &getSubtarget(const Function &F) const { |
173 | return *static_cast<const STC*>(getSubtargetImpl(F)); |
174 | } |
175 | |
176 | /// Create a DataLayout. |
177 | const DataLayout createDataLayout() const { return DL; } |
178 | |
179 | /// Test if a DataLayout if compatible with the CodeGen for this target. |
180 | /// |
181 | /// The LLVM Module owns a DataLayout that is used for the target independent |
182 | /// optimizations and code generation. This hook provides a target specific |
183 | /// check on the validity of this DataLayout. |
184 | bool isCompatibleDataLayout(const DataLayout &Candidate) const { |
185 | return DL == Candidate; |
186 | } |
187 | |
188 | /// Get the pointer size for this target. |
189 | /// |
190 | /// This is the only time the DataLayout in the TargetMachine is used. |
191 | unsigned getPointerSize(unsigned AS) const { |
192 | return DL.getPointerSize(AS); |
193 | } |
194 | |
195 | unsigned getPointerSizeInBits(unsigned AS) const { |
196 | return DL.getPointerSizeInBits(AS); |
197 | } |
198 | |
199 | unsigned getProgramPointerSize() const { |
200 | return DL.getPointerSize(AS: DL.getProgramAddressSpace()); |
201 | } |
202 | |
203 | unsigned getAllocaPointerSize() const { |
204 | return DL.getPointerSize(AS: DL.getAllocaAddrSpace()); |
205 | } |
206 | |
207 | /// Reset the target options based on the function's attributes. |
208 | // FIXME: Remove TargetOptions that affect per-function code generation |
209 | // from TargetMachine. |
210 | void resetTargetOptions(const Function &F) const; |
211 | |
212 | /// Return target specific asm information. |
213 | const MCAsmInfo *getMCAsmInfo() const { return AsmInfo.get(); } |
214 | |
215 | const MCRegisterInfo *getMCRegisterInfo() const { return MRI.get(); } |
216 | const MCInstrInfo *getMCInstrInfo() const { return MII.get(); } |
217 | const MCSubtargetInfo *getMCSubtargetInfo() const { return STI.get(); } |
218 | |
219 | /// If intrinsic information is available, return it. If not, return null. |
220 | virtual const TargetIntrinsicInfo *getIntrinsicInfo() const { |
221 | return nullptr; |
222 | } |
223 | |
224 | bool requiresStructuredCFG() const { return RequireStructuredCFG; } |
225 | void setRequiresStructuredCFG(bool Value) { RequireStructuredCFG = Value; } |
226 | |
227 | /// Returns the code generation relocation model. The choices are static, PIC, |
228 | /// and dynamic-no-pic, and target default. |
229 | Reloc::Model getRelocationModel() const; |
230 | |
231 | /// Returns the code model. The choices are small, kernel, medium, large, and |
232 | /// target default. |
233 | CodeModel::Model getCodeModel() const { return CMModel; } |
234 | |
235 | /// Returns the maximum code size possible under the code model. |
236 | uint64_t getMaxCodeSize() const; |
237 | |
238 | /// Set the code model. |
239 | void setCodeModel(CodeModel::Model CM) { CMModel = CM; } |
240 | |
241 | void setLargeDataThreshold(uint64_t LDT) { LargeDataThreshold = LDT; } |
242 | bool isLargeGlobalValue(const GlobalValue *GV) const; |
243 | |
244 | bool isPositionIndependent() const; |
245 | |
246 | bool shouldAssumeDSOLocal(const Module &M, const GlobalValue *GV) const; |
247 | |
248 | /// Returns true if this target uses emulated TLS. |
249 | bool useEmulatedTLS() const; |
250 | |
251 | /// Returns true if this target uses TLS Descriptors. |
252 | bool useTLSDESC() const; |
253 | |
254 | /// Returns the TLS model which should be used for the given global variable. |
255 | TLSModel::Model getTLSModel(const GlobalValue *GV) const; |
256 | |
257 | /// Returns the optimization level: None, Less, Default, or Aggressive. |
258 | CodeGenOptLevel getOptLevel() const; |
259 | |
260 | /// Overrides the optimization level. |
261 | void setOptLevel(CodeGenOptLevel Level); |
262 | |
263 | void setFastISel(bool Enable) { Options.EnableFastISel = Enable; } |
264 | bool getO0WantsFastISel() { return O0WantsFastISel; } |
265 | void setO0WantsFastISel(bool Enable) { O0WantsFastISel = Enable; } |
266 | void setGlobalISel(bool Enable) { Options.EnableGlobalISel = Enable; } |
267 | void setGlobalISelAbort(GlobalISelAbortMode Mode) { |
268 | Options.GlobalISelAbort = Mode; |
269 | } |
270 | void setMachineOutliner(bool Enable) { |
271 | Options.EnableMachineOutliner = Enable; |
272 | } |
273 | void setSupportsDefaultOutlining(bool Enable) { |
274 | Options.SupportsDefaultOutlining = Enable; |
275 | } |
276 | void setSupportsDebugEntryValues(bool Enable) { |
277 | Options.SupportsDebugEntryValues = Enable; |
278 | } |
279 | |
280 | void setCFIFixup(bool Enable) { Options.EnableCFIFixup = Enable; } |
281 | |
282 | bool getAIXExtendedAltivecABI() const { |
283 | return Options.EnableAIXExtendedAltivecABI; |
284 | } |
285 | |
286 | bool getUniqueSectionNames() const { return Options.UniqueSectionNames; } |
287 | |
288 | /// Return true if unique basic block section names must be generated. |
289 | bool getUniqueBasicBlockSectionNames() const { |
290 | return Options.UniqueBasicBlockSectionNames; |
291 | } |
292 | |
293 | /// Return true if data objects should be emitted into their own section, |
294 | /// corresponds to -fdata-sections. |
295 | bool getDataSections() const { |
296 | return Options.DataSections; |
297 | } |
298 | |
299 | /// Return true if functions should be emitted into their own section, |
300 | /// corresponding to -ffunction-sections. |
301 | bool getFunctionSections() const { |
302 | return Options.FunctionSections; |
303 | } |
304 | |
305 | /// Return true if visibility attribute should not be emitted in XCOFF, |
306 | /// corresponding to -mignore-xcoff-visibility. |
307 | bool getIgnoreXCOFFVisibility() const { |
308 | return Options.IgnoreXCOFFVisibility; |
309 | } |
310 | |
311 | /// Return true if XCOFF traceback table should be emitted, |
312 | /// corresponding to -xcoff-traceback-table. |
313 | bool getXCOFFTracebackTable() const { return Options.XCOFFTracebackTable; } |
314 | |
315 | /// If basic blocks should be emitted into their own section, |
316 | /// corresponding to -fbasic-block-sections. |
317 | llvm::BasicBlockSection getBBSectionsType() const { |
318 | return Options.BBSections; |
319 | } |
320 | |
321 | /// Get the list of functions and basic block ids that need unique sections. |
322 | const MemoryBuffer *getBBSectionsFuncListBuf() const { |
323 | return Options.BBSectionsFuncListBuf.get(); |
324 | } |
325 | |
326 | /// Returns true if a cast between SrcAS and DestAS is a noop. |
327 | virtual bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const { |
328 | return false; |
329 | } |
330 | |
331 | void setPGOOption(std::optional<PGOOptions> PGOOpt) { PGOOption = PGOOpt; } |
332 | const std::optional<PGOOptions> &getPGOOption() const { return PGOOption; } |
333 | |
334 | /// If the specified generic pointer could be assumed as a pointer to a |
335 | /// specific address space, return that address space. |
336 | /// |
337 | /// Under offloading programming, the offloading target may be passed with |
338 | /// values only prepared on the host side and could assume certain |
339 | /// properties. |
340 | virtual unsigned getAssumedAddrSpace(const Value *V) const { return -1; } |
341 | |
342 | /// If the specified predicate checks whether a generic pointer falls within |
343 | /// a specified address space, return that generic pointer and the address |
344 | /// space being queried. |
345 | /// |
346 | /// Such predicates could be specified in @llvm.assume intrinsics for the |
347 | /// optimizer to assume that the given generic pointer always falls within |
348 | /// the address space based on that predicate. |
349 | virtual std::pair<const Value *, unsigned> |
350 | getPredicatedAddrSpace(const Value *V) const { |
351 | return std::make_pair(x: nullptr, y: -1); |
352 | } |
353 | |
354 | /// Get a \c TargetIRAnalysis appropriate for the target. |
355 | /// |
356 | /// This is used to construct the new pass manager's target IR analysis pass, |
357 | /// set up appropriately for this target machine. Even the old pass manager |
358 | /// uses this to answer queries about the IR. |
359 | TargetIRAnalysis getTargetIRAnalysis() const; |
360 | |
361 | /// Return a TargetTransformInfo for a given function. |
362 | /// |
363 | /// The returned TargetTransformInfo is specialized to the subtarget |
364 | /// corresponding to \p F. |
365 | virtual TargetTransformInfo getTargetTransformInfo(const Function &F) const; |
366 | |
367 | /// Allow the target to modify the pass pipeline. |
368 | // TODO: Populate all pass names by using <Target>PassRegistry.def. |
369 | virtual void registerPassBuilderCallbacks(PassBuilder &, |
370 | bool PopulateClassToPassNames) {} |
371 | |
372 | /// Allow the target to register alias analyses with the AAManager for use |
373 | /// with the new pass manager. Only affects the "default" AAManager. |
374 | virtual void registerDefaultAliasAnalyses(AAManager &) {} |
375 | |
376 | /// Add passes to the specified pass manager to get the specified file |
377 | /// emitted. Typically this will involve several steps of code generation. |
378 | /// This method should return true if emission of this file type is not |
379 | /// supported, or false on success. |
380 | /// \p MMIWP is an optional parameter that, if set to non-nullptr, |
381 | /// will be used to set the MachineModuloInfo for this PM. |
382 | virtual bool |
383 | addPassesToEmitFile(PassManagerBase &, raw_pwrite_stream &, |
384 | raw_pwrite_stream *, CodeGenFileType, |
385 | bool /*DisableVerify*/ = true, |
386 | MachineModuleInfoWrapperPass *MMIWP = nullptr) { |
387 | return true; |
388 | } |
389 | |
390 | /// Add passes to the specified pass manager to get machine code emitted with |
391 | /// the MCJIT. This method returns true if machine code is not supported. It |
392 | /// fills the MCContext Ctx pointer which can be used to build custom |
393 | /// MCStreamer. |
394 | /// |
395 | virtual bool addPassesToEmitMC(PassManagerBase &, MCContext *&, |
396 | raw_pwrite_stream &, |
397 | bool /*DisableVerify*/ = true) { |
398 | return true; |
399 | } |
400 | |
401 | /// True if subtarget inserts the final scheduling pass on its own. |
402 | /// |
403 | /// Branch relaxation, which must happen after block placement, can |
404 | /// on some targets (e.g. SystemZ) expose additional post-RA |
405 | /// scheduling opportunities. |
406 | virtual bool targetSchedulesPostRAScheduling() const { return false; }; |
407 | |
408 | void getNameWithPrefix(SmallVectorImpl<char> &Name, const GlobalValue *GV, |
409 | Mangler &Mang, bool MayAlwaysUsePrivate = false) const; |
410 | MCSymbol *getSymbol(const GlobalValue *GV) const; |
411 | |
412 | /// The integer bit size to use for SjLj based exception handling. |
413 | static constexpr unsigned DefaultSjLjDataSize = 32; |
414 | virtual unsigned getSjLjDataSize() const { return DefaultSjLjDataSize; } |
415 | |
416 | static std::pair<int, int> parseBinutilsVersion(StringRef Version); |
417 | |
418 | /// getAddressSpaceForPseudoSourceKind - Given the kind of memory |
419 | /// (e.g. stack) the target returns the corresponding address space. |
420 | virtual unsigned getAddressSpaceForPseudoSourceKind(unsigned Kind) const { |
421 | return 0; |
422 | } |
423 | }; |
424 | |
425 | /// This class describes a target machine that is implemented with the LLVM |
426 | /// target-independent code generator. |
427 | /// |
428 | class LLVMTargetMachine : public TargetMachine { |
429 | protected: // Can only create subclasses. |
430 | LLVMTargetMachine(const Target &T, StringRef DataLayoutString, |
431 | const Triple &TT, StringRef CPU, StringRef FS, |
432 | const TargetOptions &Options, Reloc::Model RM, |
433 | CodeModel::Model CM, CodeGenOptLevel OL); |
434 | |
435 | void initAsmInfo(); |
436 | |
437 | public: |
438 | /// Get a TargetTransformInfo implementation for the target. |
439 | /// |
440 | /// The TTI returned uses the common code generator to answer queries about |
441 | /// the IR. |
442 | TargetTransformInfo getTargetTransformInfo(const Function &F) const override; |
443 | |
444 | /// Create a pass configuration object to be used by addPassToEmitX methods |
445 | /// for generating a pipeline of CodeGen passes. |
446 | virtual TargetPassConfig *createPassConfig(PassManagerBase &PM); |
447 | |
448 | /// Add passes to the specified pass manager to get the specified file |
449 | /// emitted. Typically this will involve several steps of code generation. |
450 | /// \p MMIWP is an optional parameter that, if set to non-nullptr, |
451 | /// will be used to set the MachineModuloInfo for this PM. |
452 | bool |
453 | addPassesToEmitFile(PassManagerBase &PM, raw_pwrite_stream &Out, |
454 | raw_pwrite_stream *DwoOut, CodeGenFileType FileType, |
455 | bool DisableVerify = true, |
456 | MachineModuleInfoWrapperPass *MMIWP = nullptr) override; |
457 | |
458 | virtual Error buildCodeGenPipeline(ModulePassManager &, |
459 | MachineFunctionPassManager &, |
460 | MachineFunctionAnalysisManager &, |
461 | raw_pwrite_stream &, raw_pwrite_stream *, |
462 | CodeGenFileType, CGPassBuilderOption, |
463 | PassInstrumentationCallbacks *) { |
464 | return make_error<StringError>(Args: "buildCodeGenPipeline is not overridden" , |
465 | Args: inconvertibleErrorCode()); |
466 | } |
467 | |
468 | /// Add passes to the specified pass manager to get machine code emitted with |
469 | /// the MCJIT. This method returns true if machine code is not supported. It |
470 | /// fills the MCContext Ctx pointer which can be used to build custom |
471 | /// MCStreamer. |
472 | bool addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx, |
473 | raw_pwrite_stream &Out, |
474 | bool DisableVerify = true) override; |
475 | |
476 | /// Returns true if the target is expected to pass all machine verifier |
477 | /// checks. This is a stopgap measure to fix targets one by one. We will |
478 | /// remove this at some point and always enable the verifier when |
479 | /// EXPENSIVE_CHECKS is enabled. |
480 | virtual bool isMachineVerifierClean() const { return true; } |
481 | |
482 | /// Adds an AsmPrinter pass to the pipeline that prints assembly or |
483 | /// machine code from the MI representation. |
484 | bool addAsmPrinter(PassManagerBase &PM, raw_pwrite_stream &Out, |
485 | raw_pwrite_stream *DwoOut, CodeGenFileType FileType, |
486 | MCContext &Context); |
487 | |
488 | Expected<std::unique_ptr<MCStreamer>> |
489 | createMCStreamer(raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut, |
490 | CodeGenFileType FileType, MCContext &Ctx); |
491 | |
492 | /// True if the target uses physical regs (as nearly all targets do). False |
493 | /// for stack machines such as WebAssembly and other virtual-register |
494 | /// machines. If true, all vregs must be allocated before PEI. If false, then |
495 | /// callee-save register spilling and scavenging are not needed or used. If |
496 | /// false, implicitly defined registers will still be assumed to be physical |
497 | /// registers, except that variadic defs will be allocated vregs. |
498 | virtual bool usesPhysRegsForValues() const { return true; } |
499 | |
500 | /// True if the target wants to use interprocedural register allocation by |
501 | /// default. The -enable-ipra flag can be used to override this. |
502 | virtual bool useIPRA() const { |
503 | return false; |
504 | } |
505 | |
506 | /// The default variant to use in unqualified `asm` instructions. |
507 | /// If this returns 0, `asm "$(foo$|bar$)"` will evaluate to `asm "foo"`. |
508 | virtual int unqualifiedInlineAsmVariant() const { return 0; } |
509 | |
510 | // MachineRegisterInfo callback function |
511 | virtual void registerMachineRegisterInfoCallback(MachineFunction &MF) const {} |
512 | }; |
513 | |
514 | /// Helper method for getting the code model, returning Default if |
515 | /// CM does not have a value. The tiny and kernel models will produce |
516 | /// an error, so targets that support them or require more complex codemodel |
517 | /// selection logic should implement and call their own getEffectiveCodeModel. |
518 | inline CodeModel::Model |
519 | getEffectiveCodeModel(std::optional<CodeModel::Model> CM, |
520 | CodeModel::Model Default) { |
521 | if (CM) { |
522 | // By default, targets do not support the tiny and kernel models. |
523 | if (*CM == CodeModel::Tiny) |
524 | report_fatal_error(reason: "Target does not support the tiny CodeModel" , gen_crash_diag: false); |
525 | if (*CM == CodeModel::Kernel) |
526 | report_fatal_error(reason: "Target does not support the kernel CodeModel" , gen_crash_diag: false); |
527 | return *CM; |
528 | } |
529 | return Default; |
530 | } |
531 | |
532 | } // end namespace llvm |
533 | |
534 | #endif // LLVM_TARGET_TARGETMACHINE_H |
535 | |