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1 /*===-- llvm-c/Core.h - Core Library C Interface ------------------*- C -*-===*\
2 |*                                                                            *|
3 |*                     The LLVM Compiler Infrastructure                       *|
4 |*                                                                            *|
5 |* This file is distributed under the University of Illinois Open Source      *|
6 |* License. See LICENSE.TXT for details.                                      *|
7 |*                                                                            *|
8 |*===----------------------------------------------------------------------===*|
9 |*                                                                            *|
10 |* This header declares the C interface to libLLVMCore.a, which implements    *|
11 |* the LLVM intermediate representation.                                      *|
12 |*                                                                            *|
13 \*===----------------------------------------------------------------------===*/
14 
15 #ifndef LLVM_C_CORE_H
16 #define LLVM_C_CORE_H
17 
18 #include "llvm-c/ErrorHandling.h"
19 #include "llvm-c/Types.h"
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 /**
26  * @defgroup LLVMC LLVM-C: C interface to LLVM
27  *
28  * This module exposes parts of the LLVM library as a C API.
29  *
30  * @{
31  */
32 
33 /**
34  * @defgroup LLVMCTransforms Transforms
35  */
36 
37 /**
38  * @defgroup LLVMCCore Core
39  *
40  * This modules provide an interface to libLLVMCore, which implements
41  * the LLVM intermediate representation as well as other related types
42  * and utilities.
43  *
44  * Many exotic languages can interoperate with C code but have a harder time
45  * with C++ due to name mangling. So in addition to C, this interface enables
46  * tools written in such languages.
47  *
48  * @{
49  */
50 
51 /**
52  * @defgroup LLVMCCoreTypes Types and Enumerations
53  *
54  * @{
55  */
56 
57 typedef enum {
58     LLVMZExtAttribute       = 1<<0,
59     LLVMSExtAttribute       = 1<<1,
60     LLVMNoReturnAttribute   = 1<<2,
61     LLVMInRegAttribute      = 1<<3,
62     LLVMStructRetAttribute  = 1<<4,
63     LLVMNoUnwindAttribute   = 1<<5,
64     LLVMNoAliasAttribute    = 1<<6,
65     LLVMByValAttribute      = 1<<7,
66     LLVMNestAttribute       = 1<<8,
67     LLVMReadNoneAttribute   = 1<<9,
68     LLVMReadOnlyAttribute   = 1<<10,
69     LLVMNoInlineAttribute   = 1<<11,
70     LLVMAlwaysInlineAttribute    = 1<<12,
71     LLVMOptimizeForSizeAttribute = 1<<13,
72     LLVMStackProtectAttribute    = 1<<14,
73     LLVMStackProtectReqAttribute = 1<<15,
74     LLVMAlignment = 31<<16,
75     LLVMNoCaptureAttribute  = 1<<21,
76     LLVMNoRedZoneAttribute  = 1<<22,
77     LLVMNoImplicitFloatAttribute = 1<<23,
78     LLVMNakedAttribute      = 1<<24,
79     LLVMInlineHintAttribute = 1<<25,
80     LLVMStackAlignment = 7<<26,
81     LLVMReturnsTwice = 1 << 29,
82     LLVMUWTable = 1 << 30,
83     LLVMNonLazyBind = 1 << 31
84 
85     /* FIXME: These attributes are currently not included in the C API as
86        a temporary measure until the API/ABI impact to the C API is understood
87        and the path forward agreed upon.
88     LLVMSanitizeAddressAttribute = 1ULL << 32,
89     LLVMStackProtectStrongAttribute = 1ULL<<35,
90     LLVMColdAttribute = 1ULL << 40,
91     LLVMOptimizeNoneAttribute = 1ULL << 42,
92     LLVMInAllocaAttribute = 1ULL << 43,
93     LLVMNonNullAttribute = 1ULL << 44,
94     LLVMJumpTableAttribute = 1ULL << 45,
95     LLVMConvergentAttribute = 1ULL << 46,
96     LLVMSafeStackAttribute = 1ULL << 47,
97     LLVMSwiftSelfAttribute = 1ULL << 48,
98     LLVMSwiftErrorAttribute = 1ULL << 49,
99     */
100 } LLVMAttribute;
101 
102 typedef enum {
103   /* Terminator Instructions */
104   LLVMRet            = 1,
105   LLVMBr             = 2,
106   LLVMSwitch         = 3,
107   LLVMIndirectBr     = 4,
108   LLVMInvoke         = 5,
109   /* removed 6 due to API changes */
110   LLVMUnreachable    = 7,
111 
112   /* Standard Binary Operators */
113   LLVMAdd            = 8,
114   LLVMFAdd           = 9,
115   LLVMSub            = 10,
116   LLVMFSub           = 11,
117   LLVMMul            = 12,
118   LLVMFMul           = 13,
119   LLVMUDiv           = 14,
120   LLVMSDiv           = 15,
121   LLVMFDiv           = 16,
122   LLVMURem           = 17,
123   LLVMSRem           = 18,
124   LLVMFRem           = 19,
125 
126   /* Logical Operators */
127   LLVMShl            = 20,
128   LLVMLShr           = 21,
129   LLVMAShr           = 22,
130   LLVMAnd            = 23,
131   LLVMOr             = 24,
132   LLVMXor            = 25,
133 
134   /* Memory Operators */
135   LLVMAlloca         = 26,
136   LLVMLoad           = 27,
137   LLVMStore          = 28,
138   LLVMGetElementPtr  = 29,
139 
140   /* Cast Operators */
141   LLVMTrunc          = 30,
142   LLVMZExt           = 31,
143   LLVMSExt           = 32,
144   LLVMFPToUI         = 33,
145   LLVMFPToSI         = 34,
146   LLVMUIToFP         = 35,
147   LLVMSIToFP         = 36,
148   LLVMFPTrunc        = 37,
149   LLVMFPExt          = 38,
150   LLVMPtrToInt       = 39,
151   LLVMIntToPtr       = 40,
152   LLVMBitCast        = 41,
153   LLVMAddrSpaceCast  = 60,
154 
155   /* Other Operators */
156   LLVMICmp           = 42,
157   LLVMFCmp           = 43,
158   LLVMPHI            = 44,
159   LLVMCall           = 45,
160   LLVMSelect         = 46,
161   LLVMUserOp1        = 47,
162   LLVMUserOp2        = 48,
163   LLVMVAArg          = 49,
164   LLVMExtractElement = 50,
165   LLVMInsertElement  = 51,
166   LLVMShuffleVector  = 52,
167   LLVMExtractValue   = 53,
168   LLVMInsertValue    = 54,
169 
170   /* Atomic operators */
171   LLVMFence          = 55,
172   LLVMAtomicCmpXchg  = 56,
173   LLVMAtomicRMW      = 57,
174 
175   /* Exception Handling Operators */
176   LLVMResume         = 58,
177   LLVMLandingPad     = 59,
178   LLVMCleanupRet     = 61,
179   LLVMCatchRet       = 62,
180   LLVMCatchPad       = 63,
181   LLVMCleanupPad     = 64,
182   LLVMCatchSwitch    = 65
183 } LLVMOpcode;
184 
185 typedef enum {
186   LLVMVoidTypeKind,        /**< type with no size */
187   LLVMHalfTypeKind,        /**< 16 bit floating point type */
188   LLVMFloatTypeKind,       /**< 32 bit floating point type */
189   LLVMDoubleTypeKind,      /**< 64 bit floating point type */
190   LLVMX86_FP80TypeKind,    /**< 80 bit floating point type (X87) */
191   LLVMFP128TypeKind,       /**< 128 bit floating point type (112-bit mantissa)*/
192   LLVMPPC_FP128TypeKind,   /**< 128 bit floating point type (two 64-bits) */
193   LLVMLabelTypeKind,       /**< Labels */
194   LLVMIntegerTypeKind,     /**< Arbitrary bit width integers */
195   LLVMFunctionTypeKind,    /**< Functions */
196   LLVMStructTypeKind,      /**< Structures */
197   LLVMArrayTypeKind,       /**< Arrays */
198   LLVMPointerTypeKind,     /**< Pointers */
199   LLVMVectorTypeKind,      /**< SIMD 'packed' format, or other vector type */
200   LLVMMetadataTypeKind,    /**< Metadata */
201   LLVMX86_MMXTypeKind,     /**< X86 MMX */
202   LLVMTokenTypeKind        /**< Tokens */
203 } LLVMTypeKind;
204 
205 typedef enum {
206   LLVMExternalLinkage,    /**< Externally visible function */
207   LLVMAvailableExternallyLinkage,
208   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
209   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something
210                             equivalent. */
211   LLVMLinkOnceODRAutoHideLinkage, /**< Obsolete */
212   LLVMWeakAnyLinkage,     /**< Keep one copy of function when linking (weak) */
213   LLVMWeakODRLinkage,     /**< Same, but only replaced by something
214                             equivalent. */
215   LLVMAppendingLinkage,   /**< Special purpose, only applies to global arrays */
216   LLVMInternalLinkage,    /**< Rename collisions when linking (static
217                                functions) */
218   LLVMPrivateLinkage,     /**< Like Internal, but omit from symbol table */
219   LLVMDLLImportLinkage,   /**< Obsolete */
220   LLVMDLLExportLinkage,   /**< Obsolete */
221   LLVMExternalWeakLinkage,/**< ExternalWeak linkage description */
222   LLVMGhostLinkage,       /**< Obsolete */
223   LLVMCommonLinkage,      /**< Tentative definitions */
224   LLVMLinkerPrivateLinkage, /**< Like Private, but linker removes. */
225   LLVMLinkerPrivateWeakLinkage /**< Like LinkerPrivate, but is weak. */
226 } LLVMLinkage;
227 
228 typedef enum {
229   LLVMDefaultVisibility,  /**< The GV is visible */
230   LLVMHiddenVisibility,   /**< The GV is hidden */
231   LLVMProtectedVisibility /**< The GV is protected */
232 } LLVMVisibility;
233 
234 typedef enum {
235   LLVMDefaultStorageClass   = 0,
236   LLVMDLLImportStorageClass = 1, /**< Function to be imported from DLL. */
237   LLVMDLLExportStorageClass = 2  /**< Function to be accessible from DLL. */
238 } LLVMDLLStorageClass;
239 
240 typedef enum {
241   LLVMCCallConv           = 0,
242   LLVMFastCallConv        = 8,
243   LLVMColdCallConv        = 9,
244   LLVMWebKitJSCallConv    = 12,
245   LLVMAnyRegCallConv      = 13,
246   LLVMX86StdcallCallConv  = 64,
247   LLVMX86FastcallCallConv = 65
248 } LLVMCallConv;
249 
250 typedef enum {
251   LLVMArgumentValueKind,
252   LLVMBasicBlockValueKind,
253   LLVMMemoryUseValueKind,
254   LLVMMemoryDefValueKind,
255   LLVMMemoryPhiValueKind,
256 
257   LLVMFunctionValueKind,
258   LLVMGlobalAliasValueKind,
259   LLVMGlobalIFuncValueKind,
260   LLVMGlobalVariableValueKind,
261   LLVMBlockAddressValueKind,
262   LLVMConstantExprValueKind,
263   LLVMConstantArrayValueKind,
264   LLVMConstantStructValueKind,
265   LLVMConstantVectorValueKind,
266 
267   LLVMUndefValueValueKind,
268   LLVMConstantAggregateZeroValueKind,
269   LLVMConstantDataArrayValueKind,
270   LLVMConstantDataVectorValueKind,
271   LLVMConstantIntValueKind,
272   LLVMConstantFPValueKind,
273   LLVMConstantPointerNullValueKind,
274   LLVMConstantTokenNoneValueKind,
275 
276   LLVMMetadataAsValueValueKind,
277   LLVMInlineAsmValueKind,
278 
279   LLVMInstructionValueKind,
280 } LLVMValueKind;
281 
282 typedef enum {
283   LLVMIntEQ = 32, /**< equal */
284   LLVMIntNE,      /**< not equal */
285   LLVMIntUGT,     /**< unsigned greater than */
286   LLVMIntUGE,     /**< unsigned greater or equal */
287   LLVMIntULT,     /**< unsigned less than */
288   LLVMIntULE,     /**< unsigned less or equal */
289   LLVMIntSGT,     /**< signed greater than */
290   LLVMIntSGE,     /**< signed greater or equal */
291   LLVMIntSLT,     /**< signed less than */
292   LLVMIntSLE      /**< signed less or equal */
293 } LLVMIntPredicate;
294 
295 typedef enum {
296   LLVMRealPredicateFalse, /**< Always false (always folded) */
297   LLVMRealOEQ,            /**< True if ordered and equal */
298   LLVMRealOGT,            /**< True if ordered and greater than */
299   LLVMRealOGE,            /**< True if ordered and greater than or equal */
300   LLVMRealOLT,            /**< True if ordered and less than */
301   LLVMRealOLE,            /**< True if ordered and less than or equal */
302   LLVMRealONE,            /**< True if ordered and operands are unequal */
303   LLVMRealORD,            /**< True if ordered (no nans) */
304   LLVMRealUNO,            /**< True if unordered: isnan(X) | isnan(Y) */
305   LLVMRealUEQ,            /**< True if unordered or equal */
306   LLVMRealUGT,            /**< True if unordered or greater than */
307   LLVMRealUGE,            /**< True if unordered, greater than, or equal */
308   LLVMRealULT,            /**< True if unordered or less than */
309   LLVMRealULE,            /**< True if unordered, less than, or equal */
310   LLVMRealUNE,            /**< True if unordered or not equal */
311   LLVMRealPredicateTrue   /**< Always true (always folded) */
312 } LLVMRealPredicate;
313 
314 typedef enum {
315   LLVMLandingPadCatch,    /**< A catch clause   */
316   LLVMLandingPadFilter    /**< A filter clause  */
317 } LLVMLandingPadClauseTy;
318 
319 typedef enum {
320   LLVMNotThreadLocal = 0,
321   LLVMGeneralDynamicTLSModel,
322   LLVMLocalDynamicTLSModel,
323   LLVMInitialExecTLSModel,
324   LLVMLocalExecTLSModel
325 } LLVMThreadLocalMode;
326 
327 typedef enum {
328   LLVMAtomicOrderingNotAtomic = 0, /**< A load or store which is not atomic */
329   LLVMAtomicOrderingUnordered = 1, /**< Lowest level of atomicity, guarantees
330                                      somewhat sane results, lock free. */
331   LLVMAtomicOrderingMonotonic = 2, /**< guarantees that if you take all the
332                                      operations affecting a specific address,
333                                      a consistent ordering exists */
334   LLVMAtomicOrderingAcquire = 4, /**< Acquire provides a barrier of the sort
335                                    necessary to acquire a lock to access other
336                                    memory with normal loads and stores. */
337   LLVMAtomicOrderingRelease = 5, /**< Release is similar to Acquire, but with
338                                    a barrier of the sort necessary to release
339                                    a lock. */
340   LLVMAtomicOrderingAcquireRelease = 6, /**< provides both an Acquire and a
341                                           Release barrier (for fences and
342                                           operations which both read and write
343                                            memory). */
344   LLVMAtomicOrderingSequentiallyConsistent = 7 /**< provides Acquire semantics
345                                                  for loads and Release
346                                                  semantics for stores.
347                                                  Additionally, it guarantees
348                                                  that a total ordering exists
349                                                  between all
350                                                  SequentiallyConsistent
351                                                  operations. */
352 } LLVMAtomicOrdering;
353 
354 typedef enum {
355     LLVMAtomicRMWBinOpXchg, /**< Set the new value and return the one old */
356     LLVMAtomicRMWBinOpAdd, /**< Add a value and return the old one */
357     LLVMAtomicRMWBinOpSub, /**< Subtract a value and return the old one */
358     LLVMAtomicRMWBinOpAnd, /**< And a value and return the old one */
359     LLVMAtomicRMWBinOpNand, /**< Not-And a value and return the old one */
360     LLVMAtomicRMWBinOpOr, /**< OR a value and return the old one */
361     LLVMAtomicRMWBinOpXor, /**< Xor a value and return the old one */
362     LLVMAtomicRMWBinOpMax, /**< Sets the value if it's greater than the
363                              original using a signed comparison and return
364                              the old one */
365     LLVMAtomicRMWBinOpMin, /**< Sets the value if it's Smaller than the
366                              original using a signed comparison and return
367                              the old one */
368     LLVMAtomicRMWBinOpUMax, /**< Sets the value if it's greater than the
369                              original using an unsigned comparison and return
370                              the old one */
371     LLVMAtomicRMWBinOpUMin /**< Sets the value if it's greater than the
372                              original using an unsigned comparison  and return
373                              the old one */
374 } LLVMAtomicRMWBinOp;
375 
376 typedef enum {
377     LLVMDSError,
378     LLVMDSWarning,
379     LLVMDSRemark,
380     LLVMDSNote
381 } LLVMDiagnosticSeverity;
382 
383 /**
384  * Attribute index are either LLVMAttributeReturnIndex,
385  * LLVMAttributeFunctionIndex or a parameter number from 1 to N.
386  */
387 enum {
388   LLVMAttributeReturnIndex = 0U,
389   // ISO C restricts enumerator values to range of 'int'
390   // (4294967295 is too large)
391   // LLVMAttributeFunctionIndex = ~0U,
392   LLVMAttributeFunctionIndex = -1,
393 };
394 
395 typedef unsigned LLVMAttributeIndex;
396 
397 /**
398  * @}
399  */
400 
401 void LLVMInitializeCore(LLVMPassRegistryRef R);
402 
403 /** Deallocate and destroy all ManagedStatic variables.
404     @see llvm::llvm_shutdown
405     @see ManagedStatic */
406 void LLVMShutdown(void);
407 
408 /*===-- Error handling ----------------------------------------------------===*/
409 
410 char *LLVMCreateMessage(const char *Message);
411 void LLVMDisposeMessage(char *Message);
412 
413 /**
414  * @defgroup LLVMCCoreContext Contexts
415  *
416  * Contexts are execution states for the core LLVM IR system.
417  *
418  * Most types are tied to a context instance. Multiple contexts can
419  * exist simultaneously. A single context is not thread safe. However,
420  * different contexts can execute on different threads simultaneously.
421  *
422  * @{
423  */
424 
425 typedef void (*LLVMDiagnosticHandler)(LLVMDiagnosticInfoRef, void *);
426 typedef void (*LLVMYieldCallback)(LLVMContextRef, void *);
427 
428 /**
429  * Create a new context.
430  *
431  * Every call to this function should be paired with a call to
432  * LLVMContextDispose() or the context will leak memory.
433  */
434 LLVMContextRef LLVMContextCreate(void);
435 
436 /**
437  * Obtain the global context instance.
438  */
439 LLVMContextRef LLVMGetGlobalContext(void);
440 
441 /**
442  * Set the diagnostic handler for this context.
443  */
444 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
445                                      LLVMDiagnosticHandler Handler,
446                                      void *DiagnosticContext);
447 
448 /**
449  * Get the diagnostic handler of this context.
450  */
451 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C);
452 
453 /**
454  * Get the diagnostic context of this context.
455  */
456 void *LLVMContextGetDiagnosticContext(LLVMContextRef C);
457 
458 /**
459  * Set the yield callback function for this context.
460  *
461  * @see LLVMContext::setYieldCallback()
462  */
463 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
464                                  void *OpaqueHandle);
465 
466 /**
467  * Destroy a context instance.
468  *
469  * This should be called for every call to LLVMContextCreate() or memory
470  * will be leaked.
471  */
472 void LLVMContextDispose(LLVMContextRef C);
473 
474 /**
475  * Return a string representation of the DiagnosticInfo. Use
476  * LLVMDisposeMessage to free the string.
477  *
478  * @see DiagnosticInfo::print()
479  */
480 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI);
481 
482 /**
483  * Return an enum LLVMDiagnosticSeverity.
484  *
485  * @see DiagnosticInfo::getSeverity()
486  */
487 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI);
488 
489 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
490                                   unsigned SLen);
491 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen);
492 
493 /**
494  * Return an unique id given the name of a enum attribute,
495  * or 0 if no attribute by that name exists.
496  *
497  * See http://llvm.org/docs/LangRef.html#parameter-attributes
498  * and http://llvm.org/docs/LangRef.html#function-attributes
499  * for the list of available attributes.
500  *
501  * NB: Attribute names and/or id are subject to change without
502  * going through the C API deprecation cycle.
503  */
504 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen);
505 unsigned LLVMGetLastEnumAttributeKind(void);
506 
507 /**
508  * Create an enum attribute.
509  */
510 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
511                                          uint64_t Val);
512 
513 /**
514  * Get the unique id corresponding to the enum attribute
515  * passed as argument.
516  */
517 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A);
518 
519 /**
520  * Get the enum attribute's value. 0 is returned if none exists.
521  */
522 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A);
523 
524 /**
525  * Create a string attribute.
526  */
527 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
528                                            const char *K, unsigned KLength,
529                                            const char *V, unsigned VLength);
530 
531 /**
532  * Get the string attribute's kind.
533  */
534 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A, unsigned *Length);
535 
536 /**
537  * Get the string attribute's value.
538  */
539 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A, unsigned *Length);
540 
541 /**
542  * Check for the different types of attributes.
543  */
544 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A);
545 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A);
546 
547 /**
548  * @}
549  */
550 
551 /**
552  * @defgroup LLVMCCoreModule Modules
553  *
554  * Modules represent the top-level structure in an LLVM program. An LLVM
555  * module is effectively a translation unit or a collection of
556  * translation units merged together.
557  *
558  * @{
559  */
560 
561 /**
562  * Create a new, empty module in the global context.
563  *
564  * This is equivalent to calling LLVMModuleCreateWithNameInContext with
565  * LLVMGetGlobalContext() as the context parameter.
566  *
567  * Every invocation should be paired with LLVMDisposeModule() or memory
568  * will be leaked.
569  */
570 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID);
571 
572 /**
573  * Create a new, empty module in a specific context.
574  *
575  * Every invocation should be paired with LLVMDisposeModule() or memory
576  * will be leaked.
577  */
578 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
579                                                 LLVMContextRef C);
580 /**
581  * Return an exact copy of the specified module.
582  */
583 LLVMModuleRef LLVMCloneModule(LLVMModuleRef M);
584 
585 /**
586  * Destroy a module instance.
587  *
588  * This must be called for every created module or memory will be
589  * leaked.
590  */
591 void LLVMDisposeModule(LLVMModuleRef M);
592 
593 /**
594  * Obtain the identifier of a module.
595  *
596  * @param M Module to obtain identifier of
597  * @param Len Out parameter which holds the length of the returned string.
598  * @return The identifier of M.
599  * @see Module::getModuleIdentifier()
600  */
601 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len);
602 
603 /**
604  * Set the identifier of a module to a string Ident with length Len.
605  *
606  * @param M The module to set identifier
607  * @param Ident The string to set M's identifier to
608  * @param Len Length of Ident
609  * @see Module::setModuleIdentifier()
610  */
611 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len);
612 
613 /**
614  * Obtain the data layout for a module.
615  *
616  * @see Module::getDataLayoutStr()
617  *
618  * LLVMGetDataLayout is DEPRECATED, as the name is not only incorrect,
619  * but match the name of another method on the module. Prefer the use
620  * of LLVMGetDataLayoutStr, which is not ambiguous.
621  */
622 const char *LLVMGetDataLayoutStr(LLVMModuleRef M);
623 const char *LLVMGetDataLayout(LLVMModuleRef M);
624 
625 /**
626  * Set the data layout for a module.
627  *
628  * @see Module::setDataLayout()
629  */
630 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr);
631 
632 /**
633  * Obtain the target triple for a module.
634  *
635  * @see Module::getTargetTriple()
636  */
637 const char *LLVMGetTarget(LLVMModuleRef M);
638 
639 /**
640  * Set the target triple for a module.
641  *
642  * @see Module::setTargetTriple()
643  */
644 void LLVMSetTarget(LLVMModuleRef M, const char *Triple);
645 
646 /**
647  * Dump a representation of a module to stderr.
648  *
649  * @see Module::dump()
650  */
651 void LLVMDumpModule(LLVMModuleRef M);
652 
653 /**
654  * Print a representation of a module to a file. The ErrorMessage needs to be
655  * disposed with LLVMDisposeMessage. Returns 0 on success, 1 otherwise.
656  *
657  * @see Module::print()
658  */
659 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
660                                char **ErrorMessage);
661 
662 /**
663  * Return a string representation of the module. Use
664  * LLVMDisposeMessage to free the string.
665  *
666  * @see Module::print()
667  */
668 char *LLVMPrintModuleToString(LLVMModuleRef M);
669 
670 /**
671  * Set inline assembly for a module.
672  *
673  * @see Module::setModuleInlineAsm()
674  */
675 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm);
676 
677 /**
678  * Obtain the context to which this module is associated.
679  *
680  * @see Module::getContext()
681  */
682 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M);
683 
684 /**
685  * Obtain a Type from a module by its registered name.
686  */
687 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name);
688 
689 /**
690  * Obtain the number of operands for named metadata in a module.
691  *
692  * @see llvm::Module::getNamedMetadata()
693  */
694 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name);
695 
696 /**
697  * Obtain the named metadata operands for a module.
698  *
699  * The passed LLVMValueRef pointer should refer to an array of
700  * LLVMValueRef at least LLVMGetNamedMetadataNumOperands long. This
701  * array will be populated with the LLVMValueRef instances. Each
702  * instance corresponds to a llvm::MDNode.
703  *
704  * @see llvm::Module::getNamedMetadata()
705  * @see llvm::MDNode::getOperand()
706  */
707 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
708                                   LLVMValueRef *Dest);
709 
710 /**
711  * Add an operand to named metadata.
712  *
713  * @see llvm::Module::getNamedMetadata()
714  * @see llvm::MDNode::addOperand()
715  */
716 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
717                                  LLVMValueRef Val);
718 
719 /**
720  * Add a function to a module under a specified name.
721  *
722  * @see llvm::Function::Create()
723  */
724 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
725                              LLVMTypeRef FunctionTy);
726 
727 /**
728  * Obtain a Function value from a Module by its name.
729  *
730  * The returned value corresponds to a llvm::Function value.
731  *
732  * @see llvm::Module::getFunction()
733  */
734 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name);
735 
736 /**
737  * Obtain an iterator to the first Function in a Module.
738  *
739  * @see llvm::Module::begin()
740  */
741 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M);
742 
743 /**
744  * Obtain an iterator to the last Function in a Module.
745  *
746  * @see llvm::Module::end()
747  */
748 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M);
749 
750 /**
751  * Advance a Function iterator to the next Function.
752  *
753  * Returns NULL if the iterator was already at the end and there are no more
754  * functions.
755  */
756 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn);
757 
758 /**
759  * Decrement a Function iterator to the previous Function.
760  *
761  * Returns NULL if the iterator was already at the beginning and there are
762  * no previous functions.
763  */
764 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn);
765 
766 /**
767  * @}
768  */
769 
770 /**
771  * @defgroup LLVMCCoreType Types
772  *
773  * Types represent the type of a value.
774  *
775  * Types are associated with a context instance. The context internally
776  * deduplicates types so there is only 1 instance of a specific type
777  * alive at a time. In other words, a unique type is shared among all
778  * consumers within a context.
779  *
780  * A Type in the C API corresponds to llvm::Type.
781  *
782  * Types have the following hierarchy:
783  *
784  *   types:
785  *     integer type
786  *     real type
787  *     function type
788  *     sequence types:
789  *       array type
790  *       pointer type
791  *       vector type
792  *     void type
793  *     label type
794  *     opaque type
795  *
796  * @{
797  */
798 
799 /**
800  * Obtain the enumerated type of a Type instance.
801  *
802  * @see llvm::Type:getTypeID()
803  */
804 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty);
805 
806 /**
807  * Whether the type has a known size.
808  *
809  * Things that don't have a size are abstract types, labels, and void.a
810  *
811  * @see llvm::Type::isSized()
812  */
813 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty);
814 
815 /**
816  * Obtain the context to which this type instance is associated.
817  *
818  * @see llvm::Type::getContext()
819  */
820 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty);
821 
822 /**
823  * Dump a representation of a type to stderr.
824  *
825  * @see llvm::Type::dump()
826  */
827 void LLVMDumpType(LLVMTypeRef Val);
828 
829 /**
830  * Return a string representation of the type. Use
831  * LLVMDisposeMessage to free the string.
832  *
833  * @see llvm::Type::print()
834  */
835 char *LLVMPrintTypeToString(LLVMTypeRef Val);
836 
837 /**
838  * @defgroup LLVMCCoreTypeInt Integer Types
839  *
840  * Functions in this section operate on integer types.
841  *
842  * @{
843  */
844 
845 /**
846  * Obtain an integer type from a context with specified bit width.
847  */
848 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C);
849 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C);
850 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C);
851 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C);
852 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C);
853 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C);
854 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits);
855 
856 /**
857  * Obtain an integer type from the global context with a specified bit
858  * width.
859  */
860 LLVMTypeRef LLVMInt1Type(void);
861 LLVMTypeRef LLVMInt8Type(void);
862 LLVMTypeRef LLVMInt16Type(void);
863 LLVMTypeRef LLVMInt32Type(void);
864 LLVMTypeRef LLVMInt64Type(void);
865 LLVMTypeRef LLVMInt128Type(void);
866 LLVMTypeRef LLVMIntType(unsigned NumBits);
867 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy);
868 
869 /**
870  * @}
871  */
872 
873 /**
874  * @defgroup LLVMCCoreTypeFloat Floating Point Types
875  *
876  * @{
877  */
878 
879 /**
880  * Obtain a 16-bit floating point type from a context.
881  */
882 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C);
883 
884 /**
885  * Obtain a 32-bit floating point type from a context.
886  */
887 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C);
888 
889 /**
890  * Obtain a 64-bit floating point type from a context.
891  */
892 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C);
893 
894 /**
895  * Obtain a 80-bit floating point type (X87) from a context.
896  */
897 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C);
898 
899 /**
900  * Obtain a 128-bit floating point type (112-bit mantissa) from a
901  * context.
902  */
903 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C);
904 
905 /**
906  * Obtain a 128-bit floating point type (two 64-bits) from a context.
907  */
908 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C);
909 
910 /**
911  * Obtain a floating point type from the global context.
912  *
913  * These map to the functions in this group of the same name.
914  */
915 LLVMTypeRef LLVMHalfType(void);
916 LLVMTypeRef LLVMFloatType(void);
917 LLVMTypeRef LLVMDoubleType(void);
918 LLVMTypeRef LLVMX86FP80Type(void);
919 LLVMTypeRef LLVMFP128Type(void);
920 LLVMTypeRef LLVMPPCFP128Type(void);
921 
922 /**
923  * @}
924  */
925 
926 /**
927  * @defgroup LLVMCCoreTypeFunction Function Types
928  *
929  * @{
930  */
931 
932 /**
933  * Obtain a function type consisting of a specified signature.
934  *
935  * The function is defined as a tuple of a return Type, a list of
936  * parameter types, and whether the function is variadic.
937  */
938 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
939                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
940                              LLVMBool IsVarArg);
941 
942 /**
943  * Returns whether a function type is variadic.
944  */
945 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy);
946 
947 /**
948  * Obtain the Type this function Type returns.
949  */
950 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy);
951 
952 /**
953  * Obtain the number of parameters this function accepts.
954  */
955 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy);
956 
957 /**
958  * Obtain the types of a function's parameters.
959  *
960  * The Dest parameter should point to a pre-allocated array of
961  * LLVMTypeRef at least LLVMCountParamTypes() large. On return, the
962  * first LLVMCountParamTypes() entries in the array will be populated
963  * with LLVMTypeRef instances.
964  *
965  * @param FunctionTy The function type to operate on.
966  * @param Dest Memory address of an array to be filled with result.
967  */
968 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest);
969 
970 /**
971  * @}
972  */
973 
974 /**
975  * @defgroup LLVMCCoreTypeStruct Structure Types
976  *
977  * These functions relate to LLVMTypeRef instances.
978  *
979  * @see llvm::StructType
980  *
981  * @{
982  */
983 
984 /**
985  * Create a new structure type in a context.
986  *
987  * A structure is specified by a list of inner elements/types and
988  * whether these can be packed together.
989  *
990  * @see llvm::StructType::create()
991  */
992 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
993                                     unsigned ElementCount, LLVMBool Packed);
994 
995 /**
996  * Create a new structure type in the global context.
997  *
998  * @see llvm::StructType::create()
999  */
1000 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes, unsigned ElementCount,
1001                            LLVMBool Packed);
1002 
1003 /**
1004  * Create an empty structure in a context having a specified name.
1005  *
1006  * @see llvm::StructType::create()
1007  */
1008 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name);
1009 
1010 /**
1011  * Obtain the name of a structure.
1012  *
1013  * @see llvm::StructType::getName()
1014  */
1015 const char *LLVMGetStructName(LLVMTypeRef Ty);
1016 
1017 /**
1018  * Set the contents of a structure type.
1019  *
1020  * @see llvm::StructType::setBody()
1021  */
1022 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
1023                        unsigned ElementCount, LLVMBool Packed);
1024 
1025 /**
1026  * Get the number of elements defined inside the structure.
1027  *
1028  * @see llvm::StructType::getNumElements()
1029  */
1030 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy);
1031 
1032 /**
1033  * Get the elements within a structure.
1034  *
1035  * The function is passed the address of a pre-allocated array of
1036  * LLVMTypeRef at least LLVMCountStructElementTypes() long. After
1037  * invocation, this array will be populated with the structure's
1038  * elements. The objects in the destination array will have a lifetime
1039  * of the structure type itself, which is the lifetime of the context it
1040  * is contained in.
1041  */
1042 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest);
1043 
1044 /**
1045  * Get the type of the element at a given index in the structure.
1046  *
1047  * @see llvm::StructType::getTypeAtIndex()
1048  */
1049 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i);
1050 
1051 /**
1052  * Determine whether a structure is packed.
1053  *
1054  * @see llvm::StructType::isPacked()
1055  */
1056 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy);
1057 
1058 /**
1059  * Determine whether a structure is opaque.
1060  *
1061  * @see llvm::StructType::isOpaque()
1062  */
1063 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy);
1064 
1065 /**
1066  * @}
1067  */
1068 
1069 /**
1070  * @defgroup LLVMCCoreTypeSequential Sequential Types
1071  *
1072  * Sequential types represents "arrays" of types. This is a super class
1073  * for array, vector, and pointer types.
1074  *
1075  * @{
1076  */
1077 
1078 /**
1079  * Obtain the type of elements within a sequential type.
1080  *
1081  * This works on array, vector, and pointer types.
1082  *
1083  * @see llvm::SequentialType::getElementType()
1084  */
1085 LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty);
1086 
1087 /**
1088  * Create a fixed size array type that refers to a specific type.
1089  *
1090  * The created type will exist in the context that its element type
1091  * exists in.
1092  *
1093  * @see llvm::ArrayType::get()
1094  */
1095 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount);
1096 
1097 /**
1098  * Obtain the length of an array type.
1099  *
1100  * This only works on types that represent arrays.
1101  *
1102  * @see llvm::ArrayType::getNumElements()
1103  */
1104 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy);
1105 
1106 /**
1107  * Create a pointer type that points to a defined type.
1108  *
1109  * The created type will exist in the context that its pointee type
1110  * exists in.
1111  *
1112  * @see llvm::PointerType::get()
1113  */
1114 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace);
1115 
1116 /**
1117  * Obtain the address space of a pointer type.
1118  *
1119  * This only works on types that represent pointers.
1120  *
1121  * @see llvm::PointerType::getAddressSpace()
1122  */
1123 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy);
1124 
1125 /**
1126  * Create a vector type that contains a defined type and has a specific
1127  * number of elements.
1128  *
1129  * The created type will exist in the context thats its element type
1130  * exists in.
1131  *
1132  * @see llvm::VectorType::get()
1133  */
1134 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount);
1135 
1136 /**
1137  * Obtain the number of elements in a vector type.
1138  *
1139  * This only works on types that represent vectors.
1140  *
1141  * @see llvm::VectorType::getNumElements()
1142  */
1143 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy);
1144 
1145 /**
1146  * @}
1147  */
1148 
1149 /**
1150  * @defgroup LLVMCCoreTypeOther Other Types
1151  *
1152  * @{
1153  */
1154 
1155 /**
1156  * Create a void type in a context.
1157  */
1158 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C);
1159 
1160 /**
1161  * Create a label type in a context.
1162  */
1163 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C);
1164 
1165 /**
1166  * Create a X86 MMX type in a context.
1167  */
1168 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C);
1169 
1170 /**
1171  * These are similar to the above functions except they operate on the
1172  * global context.
1173  */
1174 LLVMTypeRef LLVMVoidType(void);
1175 LLVMTypeRef LLVMLabelType(void);
1176 LLVMTypeRef LLVMX86MMXType(void);
1177 
1178 /**
1179  * @}
1180  */
1181 
1182 /**
1183  * @}
1184  */
1185 
1186 /**
1187  * @defgroup LLVMCCoreValues Values
1188  *
1189  * The bulk of LLVM's object model consists of values, which comprise a very
1190  * rich type hierarchy.
1191  *
1192  * LLVMValueRef essentially represents llvm::Value. There is a rich
1193  * hierarchy of classes within this type. Depending on the instance
1194  * obtained, not all APIs are available.
1195  *
1196  * Callers can determine the type of an LLVMValueRef by calling the
1197  * LLVMIsA* family of functions (e.g. LLVMIsAArgument()). These
1198  * functions are defined by a macro, so it isn't obvious which are
1199  * available by looking at the Doxygen source code. Instead, look at the
1200  * source definition of LLVM_FOR_EACH_VALUE_SUBCLASS and note the list
1201  * of value names given. These value names also correspond to classes in
1202  * the llvm::Value hierarchy.
1203  *
1204  * @{
1205  */
1206 
1207 #define LLVM_FOR_EACH_VALUE_SUBCLASS(macro) \
1208   macro(Argument)                           \
1209   macro(BasicBlock)                         \
1210   macro(InlineAsm)                          \
1211   macro(User)                               \
1212     macro(Constant)                         \
1213       macro(BlockAddress)                   \
1214       macro(ConstantAggregateZero)          \
1215       macro(ConstantArray)                  \
1216       macro(ConstantDataSequential)         \
1217         macro(ConstantDataArray)            \
1218         macro(ConstantDataVector)           \
1219       macro(ConstantExpr)                   \
1220       macro(ConstantFP)                     \
1221       macro(ConstantInt)                    \
1222       macro(ConstantPointerNull)            \
1223       macro(ConstantStruct)                 \
1224       macro(ConstantTokenNone)              \
1225       macro(ConstantVector)                 \
1226       macro(GlobalValue)                    \
1227         macro(GlobalAlias)                  \
1228         macro(GlobalObject)                 \
1229           macro(Function)                   \
1230           macro(GlobalVariable)             \
1231       macro(UndefValue)                     \
1232     macro(Instruction)                      \
1233       macro(BinaryOperator)                 \
1234       macro(CallInst)                       \
1235         macro(IntrinsicInst)                \
1236           macro(DbgInfoIntrinsic)           \
1237             macro(DbgDeclareInst)           \
1238           macro(MemIntrinsic)               \
1239             macro(MemCpyInst)               \
1240             macro(MemMoveInst)              \
1241             macro(MemSetInst)               \
1242       macro(CmpInst)                        \
1243         macro(FCmpInst)                     \
1244         macro(ICmpInst)                     \
1245       macro(ExtractElementInst)             \
1246       macro(GetElementPtrInst)              \
1247       macro(InsertElementInst)              \
1248       macro(InsertValueInst)                \
1249       macro(LandingPadInst)                 \
1250       macro(PHINode)                        \
1251       macro(SelectInst)                     \
1252       macro(ShuffleVectorInst)              \
1253       macro(StoreInst)                      \
1254       macro(TerminatorInst)                 \
1255         macro(BranchInst)                   \
1256         macro(IndirectBrInst)               \
1257         macro(InvokeInst)                   \
1258         macro(ReturnInst)                   \
1259         macro(SwitchInst)                   \
1260         macro(UnreachableInst)              \
1261         macro(ResumeInst)                   \
1262         macro(CleanupReturnInst)            \
1263         macro(CatchReturnInst)              \
1264       macro(FuncletPadInst)                 \
1265         macro(CatchPadInst)                 \
1266         macro(CleanupPadInst)               \
1267       macro(UnaryInstruction)               \
1268         macro(AllocaInst)                   \
1269         macro(CastInst)                     \
1270           macro(AddrSpaceCastInst)          \
1271           macro(BitCastInst)                \
1272           macro(FPExtInst)                  \
1273           macro(FPToSIInst)                 \
1274           macro(FPToUIInst)                 \
1275           macro(FPTruncInst)                \
1276           macro(IntToPtrInst)               \
1277           macro(PtrToIntInst)               \
1278           macro(SExtInst)                   \
1279           macro(SIToFPInst)                 \
1280           macro(TruncInst)                  \
1281           macro(UIToFPInst)                 \
1282           macro(ZExtInst)                   \
1283         macro(ExtractValueInst)             \
1284         macro(LoadInst)                     \
1285         macro(VAArgInst)
1286 
1287 /**
1288  * @defgroup LLVMCCoreValueGeneral General APIs
1289  *
1290  * Functions in this section work on all LLVMValueRef instances,
1291  * regardless of their sub-type. They correspond to functions available
1292  * on llvm::Value.
1293  *
1294  * @{
1295  */
1296 
1297 /**
1298  * Obtain the type of a value.
1299  *
1300  * @see llvm::Value::getType()
1301  */
1302 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val);
1303 
1304 /**
1305  * Obtain the enumerated type of a Value instance.
1306  *
1307  * @see llvm::Value::getValueID()
1308  */
1309 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val);
1310 
1311 /**
1312  * Obtain the string name of a value.
1313  *
1314  * @see llvm::Value::getName()
1315  */
1316 const char *LLVMGetValueName(LLVMValueRef Val);
1317 
1318 /**
1319  * Set the string name of a value.
1320  *
1321  * @see llvm::Value::setName()
1322  */
1323 void LLVMSetValueName(LLVMValueRef Val, const char *Name);
1324 
1325 /**
1326  * Dump a representation of a value to stderr.
1327  *
1328  * @see llvm::Value::dump()
1329  */
1330 void LLVMDumpValue(LLVMValueRef Val);
1331 
1332 /**
1333  * Return a string representation of the value. Use
1334  * LLVMDisposeMessage to free the string.
1335  *
1336  * @see llvm::Value::print()
1337  */
1338 char *LLVMPrintValueToString(LLVMValueRef Val);
1339 
1340 /**
1341  * Replace all uses of a value with another one.
1342  *
1343  * @see llvm::Value::replaceAllUsesWith()
1344  */
1345 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal);
1346 
1347 /**
1348  * Determine whether the specified value instance is constant.
1349  */
1350 LLVMBool LLVMIsConstant(LLVMValueRef Val);
1351 
1352 /**
1353  * Determine whether a value instance is undefined.
1354  */
1355 LLVMBool LLVMIsUndef(LLVMValueRef Val);
1356 
1357 /**
1358  * Convert value instances between types.
1359  *
1360  * Internally, an LLVMValueRef is "pinned" to a specific type. This
1361  * series of functions allows you to cast an instance to a specific
1362  * type.
1363  *
1364  * If the cast is not valid for the specified type, NULL is returned.
1365  *
1366  * @see llvm::dyn_cast_or_null<>
1367  */
1368 #define LLVM_DECLARE_VALUE_CAST(name) \
1369   LLVMValueRef LLVMIsA##name(LLVMValueRef Val);
1370 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DECLARE_VALUE_CAST)
1371 
1372 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val);
1373 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val);
1374 
1375 /**
1376  * @}
1377  */
1378 
1379 /**
1380  * @defgroup LLVMCCoreValueUses Usage
1381  *
1382  * This module defines functions that allow you to inspect the uses of a
1383  * LLVMValueRef.
1384  *
1385  * It is possible to obtain an LLVMUseRef for any LLVMValueRef instance.
1386  * Each LLVMUseRef (which corresponds to a llvm::Use instance) holds a
1387  * llvm::User and llvm::Value.
1388  *
1389  * @{
1390  */
1391 
1392 /**
1393  * Obtain the first use of a value.
1394  *
1395  * Uses are obtained in an iterator fashion. First, call this function
1396  * to obtain a reference to the first use. Then, call LLVMGetNextUse()
1397  * on that instance and all subsequently obtained instances until
1398  * LLVMGetNextUse() returns NULL.
1399  *
1400  * @see llvm::Value::use_begin()
1401  */
1402 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val);
1403 
1404 /**
1405  * Obtain the next use of a value.
1406  *
1407  * This effectively advances the iterator. It returns NULL if you are on
1408  * the final use and no more are available.
1409  */
1410 LLVMUseRef LLVMGetNextUse(LLVMUseRef U);
1411 
1412 /**
1413  * Obtain the user value for a user.
1414  *
1415  * The returned value corresponds to a llvm::User type.
1416  *
1417  * @see llvm::Use::getUser()
1418  */
1419 LLVMValueRef LLVMGetUser(LLVMUseRef U);
1420 
1421 /**
1422  * Obtain the value this use corresponds to.
1423  *
1424  * @see llvm::Use::get().
1425  */
1426 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U);
1427 
1428 /**
1429  * @}
1430  */
1431 
1432 /**
1433  * @defgroup LLVMCCoreValueUser User value
1434  *
1435  * Function in this group pertain to LLVMValueRef instances that descent
1436  * from llvm::User. This includes constants, instructions, and
1437  * operators.
1438  *
1439  * @{
1440  */
1441 
1442 /**
1443  * Obtain an operand at a specific index in a llvm::User value.
1444  *
1445  * @see llvm::User::getOperand()
1446  */
1447 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index);
1448 
1449 /**
1450  * Obtain the use of an operand at a specific index in a llvm::User value.
1451  *
1452  * @see llvm::User::getOperandUse()
1453  */
1454 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index);
1455 
1456 /**
1457  * Set an operand at a specific index in a llvm::User value.
1458  *
1459  * @see llvm::User::setOperand()
1460  */
1461 void LLVMSetOperand(LLVMValueRef User, unsigned Index, LLVMValueRef Val);
1462 
1463 /**
1464  * Obtain the number of operands in a llvm::User value.
1465  *
1466  * @see llvm::User::getNumOperands()
1467  */
1468 int LLVMGetNumOperands(LLVMValueRef Val);
1469 
1470 /**
1471  * @}
1472  */
1473 
1474 /**
1475  * @defgroup LLVMCCoreValueConstant Constants
1476  *
1477  * This section contains APIs for interacting with LLVMValueRef that
1478  * correspond to llvm::Constant instances.
1479  *
1480  * These functions will work for any LLVMValueRef in the llvm::Constant
1481  * class hierarchy.
1482  *
1483  * @{
1484  */
1485 
1486 /**
1487  * Obtain a constant value referring to the null instance of a type.
1488  *
1489  * @see llvm::Constant::getNullValue()
1490  */
1491 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty); /* all zeroes */
1492 
1493 /**
1494  * Obtain a constant value referring to the instance of a type
1495  * consisting of all ones.
1496  *
1497  * This is only valid for integer types.
1498  *
1499  * @see llvm::Constant::getAllOnesValue()
1500  */
1501 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty);
1502 
1503 /**
1504  * Obtain a constant value referring to an undefined value of a type.
1505  *
1506  * @see llvm::UndefValue::get()
1507  */
1508 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty);
1509 
1510 /**
1511  * Determine whether a value instance is null.
1512  *
1513  * @see llvm::Constant::isNullValue()
1514  */
1515 LLVMBool LLVMIsNull(LLVMValueRef Val);
1516 
1517 /**
1518  * Obtain a constant that is a constant pointer pointing to NULL for a
1519  * specified type.
1520  */
1521 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty);
1522 
1523 /**
1524  * @defgroup LLVMCCoreValueConstantScalar Scalar constants
1525  *
1526  * Functions in this group model LLVMValueRef instances that correspond
1527  * to constants referring to scalar types.
1528  *
1529  * For integer types, the LLVMTypeRef parameter should correspond to a
1530  * llvm::IntegerType instance and the returned LLVMValueRef will
1531  * correspond to a llvm::ConstantInt.
1532  *
1533  * For floating point types, the LLVMTypeRef returned corresponds to a
1534  * llvm::ConstantFP.
1535  *
1536  * @{
1537  */
1538 
1539 /**
1540  * Obtain a constant value for an integer type.
1541  *
1542  * The returned value corresponds to a llvm::ConstantInt.
1543  *
1544  * @see llvm::ConstantInt::get()
1545  *
1546  * @param IntTy Integer type to obtain value of.
1547  * @param N The value the returned instance should refer to.
1548  * @param SignExtend Whether to sign extend the produced value.
1549  */
1550 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1551                           LLVMBool SignExtend);
1552 
1553 /**
1554  * Obtain a constant value for an integer of arbitrary precision.
1555  *
1556  * @see llvm::ConstantInt::get()
1557  */
1558 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1559                                               unsigned NumWords,
1560                                               const uint64_t Words[]);
1561 
1562 /**
1563  * Obtain a constant value for an integer parsed from a string.
1564  *
1565  * A similar API, LLVMConstIntOfStringAndSize is also available. If the
1566  * string's length is available, it is preferred to call that function
1567  * instead.
1568  *
1569  * @see llvm::ConstantInt::get()
1570  */
1571 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char *Text,
1572                                   uint8_t Radix);
1573 
1574 /**
1575  * Obtain a constant value for an integer parsed from a string with
1576  * specified length.
1577  *
1578  * @see llvm::ConstantInt::get()
1579  */
1580 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char *Text,
1581                                          unsigned SLen, uint8_t Radix);
1582 
1583 /**
1584  * Obtain a constant value referring to a double floating point value.
1585  */
1586 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N);
1587 
1588 /**
1589  * Obtain a constant for a floating point value parsed from a string.
1590  *
1591  * A similar API, LLVMConstRealOfStringAndSize is also available. It
1592  * should be used if the input string's length is known.
1593  */
1594 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text);
1595 
1596 /**
1597  * Obtain a constant for a floating point value parsed from a string.
1598  */
1599 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char *Text,
1600                                           unsigned SLen);
1601 
1602 /**
1603  * Obtain the zero extended value for an integer constant value.
1604  *
1605  * @see llvm::ConstantInt::getZExtValue()
1606  */
1607 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal);
1608 
1609 /**
1610  * Obtain the sign extended value for an integer constant value.
1611  *
1612  * @see llvm::ConstantInt::getSExtValue()
1613  */
1614 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal);
1615 
1616 /**
1617  * Obtain the double value for an floating point constant value.
1618  * losesInfo indicates if some precision was lost in the conversion.
1619  *
1620  * @see llvm::ConstantFP::getDoubleValue
1621  */
1622 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *losesInfo);
1623 
1624 /**
1625  * @}
1626  */
1627 
1628 /**
1629  * @defgroup LLVMCCoreValueConstantComposite Composite Constants
1630  *
1631  * Functions in this group operate on composite constants.
1632  *
1633  * @{
1634  */
1635 
1636 /**
1637  * Create a ConstantDataSequential and initialize it with a string.
1638  *
1639  * @see llvm::ConstantDataArray::getString()
1640  */
1641 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
1642                                       unsigned Length, LLVMBool DontNullTerminate);
1643 
1644 /**
1645  * Create a ConstantDataSequential with string content in the global context.
1646  *
1647  * This is the same as LLVMConstStringInContext except it operates on the
1648  * global context.
1649  *
1650  * @see LLVMConstStringInContext()
1651  * @see llvm::ConstantDataArray::getString()
1652  */
1653 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
1654                              LLVMBool DontNullTerminate);
1655 
1656 /**
1657  * Returns true if the specified constant is an array of i8.
1658  *
1659  * @see ConstantDataSequential::getAsString()
1660  */
1661 LLVMBool LLVMIsConstantString(LLVMValueRef c);
1662 
1663 /**
1664  * Get the given constant data sequential as a string.
1665  *
1666  * @see ConstantDataSequential::getAsString()
1667  */
1668 const char *LLVMGetAsString(LLVMValueRef c, size_t *Length);
1669 
1670 /**
1671  * Create an anonymous ConstantStruct with the specified values.
1672  *
1673  * @see llvm::ConstantStruct::getAnon()
1674  */
1675 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
1676                                       LLVMValueRef *ConstantVals,
1677                                       unsigned Count, LLVMBool Packed);
1678 
1679 /**
1680  * Create a ConstantStruct in the global Context.
1681  *
1682  * This is the same as LLVMConstStructInContext except it operates on the
1683  * global Context.
1684  *
1685  * @see LLVMConstStructInContext()
1686  */
1687 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
1688                              LLVMBool Packed);
1689 
1690 /**
1691  * Create a ConstantArray from values.
1692  *
1693  * @see llvm::ConstantArray::get()
1694  */
1695 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
1696                             LLVMValueRef *ConstantVals, unsigned Length);
1697 
1698 /**
1699  * Create a non-anonymous ConstantStruct from values.
1700  *
1701  * @see llvm::ConstantStruct::get()
1702  */
1703 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
1704                                   LLVMValueRef *ConstantVals,
1705                                   unsigned Count);
1706 
1707 /**
1708  * Get an element at specified index as a constant.
1709  *
1710  * @see ConstantDataSequential::getElementAsConstant()
1711  */
1712 LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx);
1713 
1714 /**
1715  * Create a ConstantVector from values.
1716  *
1717  * @see llvm::ConstantVector::get()
1718  */
1719 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size);
1720 
1721 /**
1722  * @}
1723  */
1724 
1725 /**
1726  * @defgroup LLVMCCoreValueConstantExpressions Constant Expressions
1727  *
1728  * Functions in this group correspond to APIs on llvm::ConstantExpr.
1729  *
1730  * @see llvm::ConstantExpr.
1731  *
1732  * @{
1733  */
1734 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal);
1735 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty);
1736 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty);
1737 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal);
1738 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal);
1739 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal);
1740 LLVMValueRef LLVMConstFNeg(LLVMValueRef ConstantVal);
1741 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal);
1742 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1743 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1744 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1745 LLVMValueRef LLVMConstFAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1746 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1747 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1748 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1749 LLVMValueRef LLVMConstFSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1750 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1751 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1752 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1753 LLVMValueRef LLVMConstFMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1754 LLVMValueRef LLVMConstUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1755 LLVMValueRef LLVMConstSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1756 LLVMValueRef LLVMConstExactSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1757 LLVMValueRef LLVMConstFDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1758 LLVMValueRef LLVMConstURem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1759 LLVMValueRef LLVMConstSRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1760 LLVMValueRef LLVMConstFRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1761 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1762 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1763 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1764 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
1765                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1766 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
1767                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1768 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1769 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1770 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
1771 LLVMValueRef LLVMConstGEP(LLVMValueRef ConstantVal,
1772                           LLVMValueRef *ConstantIndices, unsigned NumIndices);
1773 LLVMValueRef LLVMConstInBoundsGEP(LLVMValueRef ConstantVal,
1774                                   LLVMValueRef *ConstantIndices,
1775                                   unsigned NumIndices);
1776 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1777 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1778 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1779 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1780 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1781 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1782 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1783 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1784 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1785 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1786 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1787 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1788 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1789 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
1790                                     LLVMTypeRef ToType);
1791 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
1792                                     LLVMTypeRef ToType);
1793 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
1794                                      LLVMTypeRef ToType);
1795 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
1796                                   LLVMTypeRef ToType);
1797 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
1798                               LLVMBool isSigned);
1799 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
1800 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
1801                              LLVMValueRef ConstantIfTrue,
1802                              LLVMValueRef ConstantIfFalse);
1803 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
1804                                      LLVMValueRef IndexConstant);
1805 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
1806                                     LLVMValueRef ElementValueConstant,
1807                                     LLVMValueRef IndexConstant);
1808 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
1809                                     LLVMValueRef VectorBConstant,
1810                                     LLVMValueRef MaskConstant);
1811 LLVMValueRef LLVMConstExtractValue(LLVMValueRef AggConstant, unsigned *IdxList,
1812                                    unsigned NumIdx);
1813 LLVMValueRef LLVMConstInsertValue(LLVMValueRef AggConstant,
1814                                   LLVMValueRef ElementValueConstant,
1815                                   unsigned *IdxList, unsigned NumIdx);
1816 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty,
1817                                 const char *AsmString, const char *Constraints,
1818                                 LLVMBool HasSideEffects, LLVMBool IsAlignStack);
1819 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB);
1820 
1821 /**
1822  * @}
1823  */
1824 
1825 /**
1826  * @defgroup LLVMCCoreValueConstantGlobals Global Values
1827  *
1828  * This group contains functions that operate on global values. Functions in
1829  * this group relate to functions in the llvm::GlobalValue class tree.
1830  *
1831  * @see llvm::GlobalValue
1832  *
1833  * @{
1834  */
1835 
1836 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global);
1837 LLVMBool LLVMIsDeclaration(LLVMValueRef Global);
1838 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global);
1839 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage);
1840 const char *LLVMGetSection(LLVMValueRef Global);
1841 void LLVMSetSection(LLVMValueRef Global, const char *Section);
1842 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
1843 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
1844 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global);
1845 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class);
1846 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global);
1847 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr);
1848 
1849 /**
1850  * @defgroup LLVMCCoreValueWithAlignment Values with alignment
1851  *
1852  * Functions in this group only apply to values with alignment, i.e.
1853  * global variables, load and store instructions.
1854  */
1855 
1856 /**
1857  * Obtain the preferred alignment of the value.
1858  * @see llvm::AllocaInst::getAlignment()
1859  * @see llvm::LoadInst::getAlignment()
1860  * @see llvm::StoreInst::getAlignment()
1861  * @see llvm::GlobalValue::getAlignment()
1862  */
1863 unsigned LLVMGetAlignment(LLVMValueRef V);
1864 
1865 /**
1866  * Set the preferred alignment of the value.
1867  * @see llvm::AllocaInst::setAlignment()
1868  * @see llvm::LoadInst::setAlignment()
1869  * @see llvm::StoreInst::setAlignment()
1870  * @see llvm::GlobalValue::setAlignment()
1871  */
1872 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes);
1873 
1874 /**
1875  * @}
1876  */
1877 
1878 /**
1879  * @defgroup LLVMCoreValueConstantGlobalVariable Global Variables
1880  *
1881  * This group contains functions that operate on global variable values.
1882  *
1883  * @see llvm::GlobalVariable
1884  *
1885  * @{
1886  */
1887 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name);
1888 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
1889                                          const char *Name,
1890                                          unsigned AddressSpace);
1891 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name);
1892 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M);
1893 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M);
1894 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar);
1895 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar);
1896 void LLVMDeleteGlobal(LLVMValueRef GlobalVar);
1897 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar);
1898 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal);
1899 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar);
1900 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal);
1901 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar);
1902 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant);
1903 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar);
1904 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode);
1905 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar);
1906 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit);
1907 
1908 /**
1909  * @}
1910  */
1911 
1912 /**
1913  * @defgroup LLVMCoreValueConstantGlobalAlias Global Aliases
1914  *
1915  * This group contains function that operate on global alias values.
1916  *
1917  * @see llvm::GlobalAlias
1918  *
1919  * @{
1920  */
1921 LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty, LLVMValueRef Aliasee,
1922                           const char *Name);
1923 
1924 /**
1925  * @}
1926  */
1927 
1928 /**
1929  * @defgroup LLVMCCoreValueFunction Function values
1930  *
1931  * Functions in this group operate on LLVMValueRef instances that
1932  * correspond to llvm::Function instances.
1933  *
1934  * @see llvm::Function
1935  *
1936  * @{
1937  */
1938 
1939 /**
1940  * Remove a function from its containing module and deletes it.
1941  *
1942  * @see llvm::Function::eraseFromParent()
1943  */
1944 void LLVMDeleteFunction(LLVMValueRef Fn);
1945 
1946 /**
1947  * Check whether the given function has a personality function.
1948  *
1949  * @see llvm::Function::hasPersonalityFn()
1950  */
1951 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn);
1952 
1953 /**
1954  * Obtain the personality function attached to the function.
1955  *
1956  * @see llvm::Function::getPersonalityFn()
1957  */
1958 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn);
1959 
1960 /**
1961  * Set the personality function attached to the function.
1962  *
1963  * @see llvm::Function::setPersonalityFn()
1964  */
1965 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn);
1966 
1967 /**
1968  * Obtain the ID number from a function instance.
1969  *
1970  * @see llvm::Function::getIntrinsicID()
1971  */
1972 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn);
1973 
1974 /**
1975  * Obtain the calling function of a function.
1976  *
1977  * The returned value corresponds to the LLVMCallConv enumeration.
1978  *
1979  * @see llvm::Function::getCallingConv()
1980  */
1981 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn);
1982 
1983 /**
1984  * Set the calling convention of a function.
1985  *
1986  * @see llvm::Function::setCallingConv()
1987  *
1988  * @param Fn Function to operate on
1989  * @param CC LLVMCallConv to set calling convention to
1990  */
1991 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC);
1992 
1993 /**
1994  * Obtain the name of the garbage collector to use during code
1995  * generation.
1996  *
1997  * @see llvm::Function::getGC()
1998  */
1999 const char *LLVMGetGC(LLVMValueRef Fn);
2000 
2001 /**
2002  * Define the garbage collector to use during code generation.
2003  *
2004  * @see llvm::Function::setGC()
2005  */
2006 void LLVMSetGC(LLVMValueRef Fn, const char *Name);
2007 
2008 /**
2009  * Add an attribute to a function.
2010  *
2011  * @see llvm::Function::addAttribute()
2012  */
2013 void LLVMAddFunctionAttr(LLVMValueRef Fn, LLVMAttribute PA);
2014 
2015 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2016                              LLVMAttributeRef A);
2017 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2018                                              LLVMAttributeIndex Idx,
2019                                              unsigned KindID);
2020 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2021                                                LLVMAttributeIndex Idx,
2022                                                const char *K, unsigned KLen);
2023 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2024                                     unsigned KindID);
2025 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2026                                       const char *K, unsigned KLen);
2027 
2028 /**
2029  * Add a target-dependent attribute to a function
2030  * @see llvm::AttrBuilder::addAttribute()
2031  */
2032 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2033                                         const char *V);
2034 
2035 /**
2036  * Obtain an attribute from a function.
2037  *
2038  * @see llvm::Function::getAttributes()
2039  */
2040 LLVMAttribute LLVMGetFunctionAttr(LLVMValueRef Fn);
2041 
2042 /**
2043  * Remove an attribute from a function.
2044  */
2045 void LLVMRemoveFunctionAttr(LLVMValueRef Fn, LLVMAttribute PA);
2046 
2047 /**
2048  * @defgroup LLVMCCoreValueFunctionParameters Function Parameters
2049  *
2050  * Functions in this group relate to arguments/parameters on functions.
2051  *
2052  * Functions in this group expect LLVMValueRef instances that correspond
2053  * to llvm::Function instances.
2054  *
2055  * @{
2056  */
2057 
2058 /**
2059  * Obtain the number of parameters in a function.
2060  *
2061  * @see llvm::Function::arg_size()
2062  */
2063 unsigned LLVMCountParams(LLVMValueRef Fn);
2064 
2065 /**
2066  * Obtain the parameters in a function.
2067  *
2068  * The takes a pointer to a pre-allocated array of LLVMValueRef that is
2069  * at least LLVMCountParams() long. This array will be filled with
2070  * LLVMValueRef instances which correspond to the parameters the
2071  * function receives. Each LLVMValueRef corresponds to a llvm::Argument
2072  * instance.
2073  *
2074  * @see llvm::Function::arg_begin()
2075  */
2076 void LLVMGetParams(LLVMValueRef Fn, LLVMValueRef *Params);
2077 
2078 /**
2079  * Obtain the parameter at the specified index.
2080  *
2081  * Parameters are indexed from 0.
2082  *
2083  * @see llvm::Function::arg_begin()
2084  */
2085 LLVMValueRef LLVMGetParam(LLVMValueRef Fn, unsigned Index);
2086 
2087 /**
2088  * Obtain the function to which this argument belongs.
2089  *
2090  * Unlike other functions in this group, this one takes an LLVMValueRef
2091  * that corresponds to a llvm::Attribute.
2092  *
2093  * The returned LLVMValueRef is the llvm::Function to which this
2094  * argument belongs.
2095  */
2096 LLVMValueRef LLVMGetParamParent(LLVMValueRef Inst);
2097 
2098 /**
2099  * Obtain the first parameter to a function.
2100  *
2101  * @see llvm::Function::arg_begin()
2102  */
2103 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn);
2104 
2105 /**
2106  * Obtain the last parameter to a function.
2107  *
2108  * @see llvm::Function::arg_end()
2109  */
2110 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn);
2111 
2112 /**
2113  * Obtain the next parameter to a function.
2114  *
2115  * This takes an LLVMValueRef obtained from LLVMGetFirstParam() (which is
2116  * actually a wrapped iterator) and obtains the next parameter from the
2117  * underlying iterator.
2118  */
2119 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg);
2120 
2121 /**
2122  * Obtain the previous parameter to a function.
2123  *
2124  * This is the opposite of LLVMGetNextParam().
2125  */
2126 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg);
2127 
2128 /**
2129  * Add an attribute to a function argument.
2130  *
2131  * @see llvm::Argument::addAttr()
2132  */
2133 void LLVMAddAttribute(LLVMValueRef Arg, LLVMAttribute PA);
2134 
2135 /**
2136  * Remove an attribute from a function argument.
2137  *
2138  * @see llvm::Argument::removeAttr()
2139  */
2140 void LLVMRemoveAttribute(LLVMValueRef Arg, LLVMAttribute PA);
2141 
2142 /**
2143  * Get an attribute from a function argument.
2144  */
2145 LLVMAttribute LLVMGetAttribute(LLVMValueRef Arg);
2146 
2147 /**
2148  * Set the alignment for a function parameter.
2149  *
2150  * @see llvm::Argument::addAttr()
2151  * @see llvm::AttrBuilder::addAlignmentAttr()
2152  */
2153 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned Align);
2154 
2155 /**
2156  * @}
2157  */
2158 
2159 /**
2160  * @}
2161  */
2162 
2163 /**
2164  * @}
2165  */
2166 
2167 /**
2168  * @}
2169  */
2170 
2171 /**
2172  * @defgroup LLVMCCoreValueMetadata Metadata
2173  *
2174  * @{
2175  */
2176 
2177 /**
2178  * Obtain a MDString value from a context.
2179  *
2180  * The returned instance corresponds to the llvm::MDString class.
2181  *
2182  * The instance is specified by string data of a specified length. The
2183  * string content is copied, so the backing memory can be freed after
2184  * this function returns.
2185  */
2186 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
2187                                    unsigned SLen);
2188 
2189 /**
2190  * Obtain a MDString value from the global context.
2191  */
2192 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen);
2193 
2194 /**
2195  * Obtain a MDNode value from a context.
2196  *
2197  * The returned value corresponds to the llvm::MDNode class.
2198  */
2199 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
2200                                  unsigned Count);
2201 
2202 /**
2203  * Obtain a MDNode value from the global context.
2204  */
2205 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count);
2206 
2207 /**
2208  * Obtain the underlying string from a MDString value.
2209  *
2210  * @param V Instance to obtain string from.
2211  * @param Length Memory address which will hold length of returned string.
2212  * @return String data in MDString.
2213  */
2214 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length);
2215 
2216 /**
2217  * Obtain the number of operands from an MDNode value.
2218  *
2219  * @param V MDNode to get number of operands from.
2220  * @return Number of operands of the MDNode.
2221  */
2222 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V);
2223 
2224 /**
2225  * Obtain the given MDNode's operands.
2226  *
2227  * The passed LLVMValueRef pointer should point to enough memory to hold all of
2228  * the operands of the given MDNode (see LLVMGetMDNodeNumOperands) as
2229  * LLVMValueRefs. This memory will be populated with the LLVMValueRefs of the
2230  * MDNode's operands.
2231  *
2232  * @param V MDNode to get the operands from.
2233  * @param Dest Destination array for operands.
2234  */
2235 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest);
2236 
2237 /**
2238  * @}
2239  */
2240 
2241 /**
2242  * @defgroup LLVMCCoreValueBasicBlock Basic Block
2243  *
2244  * A basic block represents a single entry single exit section of code.
2245  * Basic blocks contain a list of instructions which form the body of
2246  * the block.
2247  *
2248  * Basic blocks belong to functions. They have the type of label.
2249  *
2250  * Basic blocks are themselves values. However, the C API models them as
2251  * LLVMBasicBlockRef.
2252  *
2253  * @see llvm::BasicBlock
2254  *
2255  * @{
2256  */
2257 
2258 /**
2259  * Convert a basic block instance to a value type.
2260  */
2261 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB);
2262 
2263 /**
2264  * Determine whether an LLVMValueRef is itself a basic block.
2265  */
2266 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val);
2267 
2268 /**
2269  * Convert an LLVMValueRef to an LLVMBasicBlockRef instance.
2270  */
2271 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val);
2272 
2273 /**
2274  * Obtain the string name of a basic block.
2275  */
2276 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB);
2277 
2278 /**
2279  * Obtain the function to which a basic block belongs.
2280  *
2281  * @see llvm::BasicBlock::getParent()
2282  */
2283 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB);
2284 
2285 /**
2286  * Obtain the terminator instruction for a basic block.
2287  *
2288  * If the basic block does not have a terminator (it is not well-formed
2289  * if it doesn't), then NULL is returned.
2290  *
2291  * The returned LLVMValueRef corresponds to a llvm::TerminatorInst.
2292  *
2293  * @see llvm::BasicBlock::getTerminator()
2294  */
2295 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB);
2296 
2297 /**
2298  * Obtain the number of basic blocks in a function.
2299  *
2300  * @param Fn Function value to operate on.
2301  */
2302 unsigned LLVMCountBasicBlocks(LLVMValueRef Fn);
2303 
2304 /**
2305  * Obtain all of the basic blocks in a function.
2306  *
2307  * This operates on a function value. The BasicBlocks parameter is a
2308  * pointer to a pre-allocated array of LLVMBasicBlockRef of at least
2309  * LLVMCountBasicBlocks() in length. This array is populated with
2310  * LLVMBasicBlockRef instances.
2311  */
2312 void LLVMGetBasicBlocks(LLVMValueRef Fn, LLVMBasicBlockRef *BasicBlocks);
2313 
2314 /**
2315  * Obtain the first basic block in a function.
2316  *
2317  * The returned basic block can be used as an iterator. You will likely
2318  * eventually call into LLVMGetNextBasicBlock() with it.
2319  *
2320  * @see llvm::Function::begin()
2321  */
2322 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn);
2323 
2324 /**
2325  * Obtain the last basic block in a function.
2326  *
2327  * @see llvm::Function::end()
2328  */
2329 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn);
2330 
2331 /**
2332  * Advance a basic block iterator.
2333  */
2334 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB);
2335 
2336 /**
2337  * Go backwards in a basic block iterator.
2338  */
2339 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB);
2340 
2341 /**
2342  * Obtain the basic block that corresponds to the entry point of a
2343  * function.
2344  *
2345  * @see llvm::Function::getEntryBlock()
2346  */
2347 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn);
2348 
2349 /**
2350  * Append a basic block to the end of a function.
2351  *
2352  * @see llvm::BasicBlock::Create()
2353  */
2354 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
2355                                                 LLVMValueRef Fn,
2356                                                 const char *Name);
2357 
2358 /**
2359  * Append a basic block to the end of a function using the global
2360  * context.
2361  *
2362  * @see llvm::BasicBlock::Create()
2363  */
2364 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef Fn, const char *Name);
2365 
2366 /**
2367  * Insert a basic block in a function before another basic block.
2368  *
2369  * The function to add to is determined by the function of the
2370  * passed basic block.
2371  *
2372  * @see llvm::BasicBlock::Create()
2373  */
2374 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
2375                                                 LLVMBasicBlockRef BB,
2376                                                 const char *Name);
2377 
2378 /**
2379  * Insert a basic block in a function using the global context.
2380  *
2381  * @see llvm::BasicBlock::Create()
2382  */
2383 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef InsertBeforeBB,
2384                                        const char *Name);
2385 
2386 /**
2387  * Remove a basic block from a function and delete it.
2388  *
2389  * This deletes the basic block from its containing function and deletes
2390  * the basic block itself.
2391  *
2392  * @see llvm::BasicBlock::eraseFromParent()
2393  */
2394 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BB);
2395 
2396 /**
2397  * Remove a basic block from a function.
2398  *
2399  * This deletes the basic block from its containing function but keep
2400  * the basic block alive.
2401  *
2402  * @see llvm::BasicBlock::removeFromParent()
2403  */
2404 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BB);
2405 
2406 /**
2407  * Move a basic block to before another one.
2408  *
2409  * @see llvm::BasicBlock::moveBefore()
2410  */
2411 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
2412 
2413 /**
2414  * Move a basic block to after another one.
2415  *
2416  * @see llvm::BasicBlock::moveAfter()
2417  */
2418 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
2419 
2420 /**
2421  * Obtain the first instruction in a basic block.
2422  *
2423  * The returned LLVMValueRef corresponds to a llvm::Instruction
2424  * instance.
2425  */
2426 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB);
2427 
2428 /**
2429  * Obtain the last instruction in a basic block.
2430  *
2431  * The returned LLVMValueRef corresponds to an LLVM:Instruction.
2432  */
2433 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB);
2434 
2435 /**
2436  * @}
2437  */
2438 
2439 /**
2440  * @defgroup LLVMCCoreValueInstruction Instructions
2441  *
2442  * Functions in this group relate to the inspection and manipulation of
2443  * individual instructions.
2444  *
2445  * In the C++ API, an instruction is modeled by llvm::Instruction. This
2446  * class has a large number of descendents. llvm::Instruction is a
2447  * llvm::Value and in the C API, instructions are modeled by
2448  * LLVMValueRef.
2449  *
2450  * This group also contains sub-groups which operate on specific
2451  * llvm::Instruction types, e.g. llvm::CallInst.
2452  *
2453  * @{
2454  */
2455 
2456 /**
2457  * Determine whether an instruction has any metadata attached.
2458  */
2459 int LLVMHasMetadata(LLVMValueRef Val);
2460 
2461 /**
2462  * Return metadata associated with an instruction value.
2463  */
2464 LLVMValueRef LLVMGetMetadata(LLVMValueRef Val, unsigned KindID);
2465 
2466 /**
2467  * Set metadata associated with an instruction value.
2468  */
2469 void LLVMSetMetadata(LLVMValueRef Val, unsigned KindID, LLVMValueRef Node);
2470 
2471 /**
2472  * Obtain the basic block to which an instruction belongs.
2473  *
2474  * @see llvm::Instruction::getParent()
2475  */
2476 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst);
2477 
2478 /**
2479  * Obtain the instruction that occurs after the one specified.
2480  *
2481  * The next instruction will be from the same basic block.
2482  *
2483  * If this is the last instruction in a basic block, NULL will be
2484  * returned.
2485  */
2486 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst);
2487 
2488 /**
2489  * Obtain the instruction that occurred before this one.
2490  *
2491  * If the instruction is the first instruction in a basic block, NULL
2492  * will be returned.
2493  */
2494 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst);
2495 
2496 /**
2497  * Remove and delete an instruction.
2498  *
2499  * The instruction specified is removed from its containing building
2500  * block but is kept alive.
2501  *
2502  * @see llvm::Instruction::removeFromParent()
2503  */
2504 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst);
2505 
2506 /**
2507  * Remove and delete an instruction.
2508  *
2509  * The instruction specified is removed from its containing building
2510  * block and then deleted.
2511  *
2512  * @see llvm::Instruction::eraseFromParent()
2513  */
2514 void LLVMInstructionEraseFromParent(LLVMValueRef Inst);
2515 
2516 /**
2517  * Obtain the code opcode for an individual instruction.
2518  *
2519  * @see llvm::Instruction::getOpCode()
2520  */
2521 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst);
2522 
2523 /**
2524  * Obtain the predicate of an instruction.
2525  *
2526  * This is only valid for instructions that correspond to llvm::ICmpInst
2527  * or llvm::ConstantExpr whose opcode is llvm::Instruction::ICmp.
2528  *
2529  * @see llvm::ICmpInst::getPredicate()
2530  */
2531 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst);
2532 
2533 /**
2534  * Obtain the float predicate of an instruction.
2535  *
2536  * This is only valid for instructions that correspond to llvm::FCmpInst
2537  * or llvm::ConstantExpr whose opcode is llvm::Instruction::FCmp.
2538  *
2539  * @see llvm::FCmpInst::getPredicate()
2540  */
2541 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst);
2542 
2543 /**
2544  * Create a copy of 'this' instruction that is identical in all ways
2545  * except the following:
2546  *   * The instruction has no parent
2547  *   * The instruction has no name
2548  *
2549  * @see llvm::Instruction::clone()
2550  */
2551 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst);
2552 
2553 /**
2554  * @defgroup LLVMCCoreValueInstructionCall Call Sites and Invocations
2555  *
2556  * Functions in this group apply to instructions that refer to call
2557  * sites and invocations. These correspond to C++ types in the
2558  * llvm::CallInst class tree.
2559  *
2560  * @{
2561  */
2562 
2563 /**
2564  * Obtain the argument count for a call instruction.
2565  *
2566  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
2567  * llvm::InvokeInst.
2568  *
2569  * @see llvm::CallInst::getNumArgOperands()
2570  * @see llvm::InvokeInst::getNumArgOperands()
2571  */
2572 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr);
2573 
2574 /**
2575  * Set the calling convention for a call instruction.
2576  *
2577  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
2578  * llvm::InvokeInst.
2579  *
2580  * @see llvm::CallInst::setCallingConv()
2581  * @see llvm::InvokeInst::setCallingConv()
2582  */
2583 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC);
2584 
2585 /**
2586  * Obtain the calling convention for a call instruction.
2587  *
2588  * This is the opposite of LLVMSetInstructionCallConv(). Reads its
2589  * usage.
2590  *
2591  * @see LLVMSetInstructionCallConv()
2592  */
2593 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr);
2594 
2595 void LLVMAddInstrAttribute(LLVMValueRef Instr, unsigned index, LLVMAttribute);
2596 void LLVMRemoveInstrAttribute(LLVMValueRef Instr, unsigned index,
2597                               LLVMAttribute);
2598 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, unsigned index,
2599                                 unsigned Align);
2600 
2601 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2602                               LLVMAttributeRef A);
2603 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
2604                                               LLVMAttributeIndex Idx,
2605                                               unsigned KindID);
2606 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
2607                                                 LLVMAttributeIndex Idx,
2608                                                 const char *K, unsigned KLen);
2609 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2610                                      unsigned KindID);
2611 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
2612                                        const char *K, unsigned KLen);
2613 
2614 /**
2615  * Obtain the pointer to the function invoked by this instruction.
2616  *
2617  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
2618  * llvm::InvokeInst.
2619  *
2620  * @see llvm::CallInst::getCalledValue()
2621  * @see llvm::InvokeInst::getCalledValue()
2622  */
2623 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr);
2624 
2625 /**
2626  * Obtain whether a call instruction is a tail call.
2627  *
2628  * This only works on llvm::CallInst instructions.
2629  *
2630  * @see llvm::CallInst::isTailCall()
2631  */
2632 LLVMBool LLVMIsTailCall(LLVMValueRef CallInst);
2633 
2634 /**
2635  * Set whether a call instruction is a tail call.
2636  *
2637  * This only works on llvm::CallInst instructions.
2638  *
2639  * @see llvm::CallInst::setTailCall()
2640  */
2641 void LLVMSetTailCall(LLVMValueRef CallInst, LLVMBool IsTailCall);
2642 
2643 /**
2644  * Return the normal destination basic block.
2645  *
2646  * This only works on llvm::InvokeInst instructions.
2647  *
2648  * @see llvm::InvokeInst::getNormalDest()
2649  */
2650 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef InvokeInst);
2651 
2652 /**
2653  * Return the unwind destination basic block.
2654  *
2655  * This only works on llvm::InvokeInst instructions.
2656  *
2657  * @see llvm::InvokeInst::getUnwindDest()
2658  */
2659 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef InvokeInst);
2660 
2661 /**
2662  * Set the normal destination basic block.
2663  *
2664  * This only works on llvm::InvokeInst instructions.
2665  *
2666  * @see llvm::InvokeInst::setNormalDest()
2667  */
2668 void LLVMSetNormalDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
2669 
2670 /**
2671  * Set the unwind destination basic block.
2672  *
2673  * This only works on llvm::InvokeInst instructions.
2674  *
2675  * @see llvm::InvokeInst::setUnwindDest()
2676  */
2677 void LLVMSetUnwindDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
2678 
2679 /**
2680  * @}
2681  */
2682 
2683 /**
2684  * @defgroup LLVMCCoreValueInstructionTerminator Terminators
2685  *
2686  * Functions in this group only apply to instructions that map to
2687  * llvm::TerminatorInst instances.
2688  *
2689  * @{
2690  */
2691 
2692 /**
2693  * Return the number of successors that this terminator has.
2694  *
2695  * @see llvm::TerminatorInst::getNumSuccessors
2696  */
2697 unsigned LLVMGetNumSuccessors(LLVMValueRef Term);
2698 
2699 /**
2700  * Return the specified successor.
2701  *
2702  * @see llvm::TerminatorInst::getSuccessor
2703  */
2704 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i);
2705 
2706 /**
2707  * Update the specified successor to point at the provided block.
2708  *
2709  * @see llvm::TerminatorInst::setSuccessor
2710  */
2711 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block);
2712 
2713 /**
2714  * Return if a branch is conditional.
2715  *
2716  * This only works on llvm::BranchInst instructions.
2717  *
2718  * @see llvm::BranchInst::isConditional
2719  */
2720 LLVMBool LLVMIsConditional(LLVMValueRef Branch);
2721 
2722 /**
2723  * Return the condition of a branch instruction.
2724  *
2725  * This only works on llvm::BranchInst instructions.
2726  *
2727  * @see llvm::BranchInst::getCondition
2728  */
2729 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch);
2730 
2731 /**
2732  * Set the condition of a branch instruction.
2733  *
2734  * This only works on llvm::BranchInst instructions.
2735  *
2736  * @see llvm::BranchInst::setCondition
2737  */
2738 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond);
2739 
2740 /**
2741  * Obtain the default destination basic block of a switch instruction.
2742  *
2743  * This only works on llvm::SwitchInst instructions.
2744  *
2745  * @see llvm::SwitchInst::getDefaultDest()
2746  */
2747 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef SwitchInstr);
2748 
2749 /**
2750  * @}
2751  */
2752 
2753 /**
2754  * @defgroup LLVMCCoreValueInstructionAlloca Allocas
2755  *
2756  * Functions in this group only apply to instructions that map to
2757  * llvm::AllocaInst instances.
2758  *
2759  * @{
2760  */
2761 
2762 /**
2763  * Obtain the type that is being allocated by the alloca instruction.
2764  */
2765 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca);
2766 
2767 /**
2768  * @}
2769  */
2770 
2771 /**
2772  * @defgroup LLVMCCoreValueInstructionGetElementPointer GEPs
2773  *
2774  * Functions in this group only apply to instructions that map to
2775  * llvm::GetElementPtrInst instances.
2776  *
2777  * @{
2778  */
2779 
2780 /**
2781  * Check whether the given GEP instruction is inbounds.
2782  */
2783 LLVMBool LLVMIsInBounds(LLVMValueRef GEP);
2784 
2785 /**
2786  * Set the given GEP instruction to be inbounds or not.
2787  */
2788 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds);
2789 
2790 /**
2791  * @}
2792  */
2793 
2794 /**
2795  * @defgroup LLVMCCoreValueInstructionPHINode PHI Nodes
2796  *
2797  * Functions in this group only apply to instructions that map to
2798  * llvm::PHINode instances.
2799  *
2800  * @{
2801  */
2802 
2803 /**
2804  * Add an incoming value to the end of a PHI list.
2805  */
2806 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
2807                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count);
2808 
2809 /**
2810  * Obtain the number of incoming basic blocks to a PHI node.
2811  */
2812 unsigned LLVMCountIncoming(LLVMValueRef PhiNode);
2813 
2814 /**
2815  * Obtain an incoming value to a PHI node as an LLVMValueRef.
2816  */
2817 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index);
2818 
2819 /**
2820  * Obtain an incoming value to a PHI node as an LLVMBasicBlockRef.
2821  */
2822 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index);
2823 
2824 /**
2825  * @}
2826  */
2827 
2828 /**
2829  * @defgroup LLVMCCoreValueInstructionExtractValue ExtractValue
2830  * @defgroup LLVMCCoreValueInstructionInsertValue InsertValue
2831  *
2832  * Functions in this group only apply to instructions that map to
2833  * llvm::ExtractValue and llvm::InsertValue instances.
2834  *
2835  * @{
2836  */
2837 
2838 /**
2839  * Obtain the number of indices.
2840  * NB: This also works on GEP.
2841  */
2842 unsigned LLVMGetNumIndices(LLVMValueRef Inst);
2843 
2844 /**
2845  * Obtain the indices as an array.
2846  */
2847 const unsigned *LLVMGetIndices(LLVMValueRef Inst);
2848 
2849 /**
2850  * @}
2851  */
2852 
2853 /**
2854  * @}
2855  */
2856 
2857 /**
2858  * @}
2859  */
2860 
2861 /**
2862  * @defgroup LLVMCCoreInstructionBuilder Instruction Builders
2863  *
2864  * An instruction builder represents a point within a basic block and is
2865  * the exclusive means of building instructions using the C interface.
2866  *
2867  * @{
2868  */
2869 
2870 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C);
2871 LLVMBuilderRef LLVMCreateBuilder(void);
2872 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
2873                          LLVMValueRef Instr);
2874 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr);
2875 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block);
2876 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder);
2877 void LLVMClearInsertionPosition(LLVMBuilderRef Builder);
2878 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr);
2879 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
2880                                    const char *Name);
2881 void LLVMDisposeBuilder(LLVMBuilderRef Builder);
2882 
2883 /* Metadata */
2884 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L);
2885 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder);
2886 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst);
2887 
2888 /* Terminators */
2889 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef);
2890 LLVMValueRef LLVMBuildRet(LLVMBuilderRef, LLVMValueRef V);
2891 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef, LLVMValueRef *RetVals,
2892                                    unsigned N);
2893 LLVMValueRef LLVMBuildBr(LLVMBuilderRef, LLVMBasicBlockRef Dest);
2894 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef, LLVMValueRef If,
2895                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else);
2896 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef, LLVMValueRef V,
2897                              LLVMBasicBlockRef Else, unsigned NumCases);
2898 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
2899                                  unsigned NumDests);
2900 LLVMValueRef LLVMBuildInvoke(LLVMBuilderRef, LLVMValueRef Fn,
2901                              LLVMValueRef *Args, unsigned NumArgs,
2902                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
2903                              const char *Name);
2904 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
2905                                  LLVMValueRef PersFn, unsigned NumClauses,
2906                                  const char *Name);
2907 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn);
2908 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef);
2909 
2910 /* Add a case to the switch instruction */
2911 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
2912                  LLVMBasicBlockRef Dest);
2913 
2914 /* Add a destination to the indirectbr instruction */
2915 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest);
2916 
2917 /* Get the number of clauses on the landingpad instruction */
2918 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad);
2919 
2920 /* Get the value of the clause at idnex Idx on the landingpad instruction */
2921 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx);
2922 
2923 /* Add a catch or filter clause to the landingpad instruction */
2924 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal);
2925 
2926 /* Get the 'cleanup' flag in the landingpad instruction */
2927 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad);
2928 
2929 /* Set the 'cleanup' flag in the landingpad instruction */
2930 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val);
2931 
2932 /* Arithmetic */
2933 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2934                           const char *Name);
2935 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2936                              const char *Name);
2937 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2938                              const char *Name);
2939 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2940                            const char *Name);
2941 LLVMValueRef LLVMBuildSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2942                           const char *Name);
2943 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2944                              const char *Name);
2945 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2946                              const char *Name);
2947 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2948                            const char *Name);
2949 LLVMValueRef LLVMBuildMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2950                           const char *Name);
2951 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2952                              const char *Name);
2953 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2954                              const char *Name);
2955 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2956                            const char *Name);
2957 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2958                            const char *Name);
2959 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2960                            const char *Name);
2961 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2962                                 const char *Name);
2963 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2964                            const char *Name);
2965 LLVMValueRef LLVMBuildURem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2966                            const char *Name);
2967 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2968                            const char *Name);
2969 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2970                            const char *Name);
2971 LLVMValueRef LLVMBuildShl(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2972                            const char *Name);
2973 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2974                            const char *Name);
2975 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2976                            const char *Name);
2977 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2978                           const char *Name);
2979 LLVMValueRef LLVMBuildOr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2980                           const char *Name);
2981 LLVMValueRef LLVMBuildXor(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
2982                           const char *Name);
2983 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
2984                             LLVMValueRef LHS, LLVMValueRef RHS,
2985                             const char *Name);
2986 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
2987 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
2988                              const char *Name);
2989 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
2990                              const char *Name);
2991 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
2992 LLVMValueRef LLVMBuildNot(LLVMBuilderRef, LLVMValueRef V, const char *Name);
2993 
2994 /* Memory */
2995 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
2996 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef, LLVMTypeRef Ty,
2997                                   LLVMValueRef Val, const char *Name);
2998 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
2999 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef, LLVMTypeRef Ty,
3000                                   LLVMValueRef Val, const char *Name);
3001 LLVMValueRef LLVMBuildFree(LLVMBuilderRef, LLVMValueRef PointerVal);
3002 LLVMValueRef LLVMBuildLoad(LLVMBuilderRef, LLVMValueRef PointerVal,
3003                            const char *Name);
3004 LLVMValueRef LLVMBuildStore(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef Ptr);
3005 LLVMValueRef LLVMBuildGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3006                           LLVMValueRef *Indices, unsigned NumIndices,
3007                           const char *Name);
3008 LLVMValueRef LLVMBuildInBoundsGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3009                                   LLVMValueRef *Indices, unsigned NumIndices,
3010                                   const char *Name);
3011 LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3012                                 unsigned Idx, const char *Name);
3013 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
3014                                    const char *Name);
3015 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
3016                                       const char *Name);
3017 LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
3018 void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
3019 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemoryAccessInst);
3020 void LLVMSetOrdering(LLVMValueRef MemoryAccessInst, LLVMAtomicOrdering Ordering);
3021 
3022 /* Casts */
3023 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,
3024                             LLVMTypeRef DestTy, const char *Name);
3025 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef, LLVMValueRef Val,
3026                            LLVMTypeRef DestTy, const char *Name);
3027 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef, LLVMValueRef Val,
3028                            LLVMTypeRef DestTy, const char *Name);
3029 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef, LLVMValueRef Val,
3030                              LLVMTypeRef DestTy, const char *Name);
3031 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef, LLVMValueRef Val,
3032                              LLVMTypeRef DestTy, const char *Name);
3033 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef, LLVMValueRef Val,
3034                              LLVMTypeRef DestTy, const char *Name);
3035 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef, LLVMValueRef Val,
3036                              LLVMTypeRef DestTy, const char *Name);
3037 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef, LLVMValueRef Val,
3038                               LLVMTypeRef DestTy, const char *Name);
3039 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef, LLVMValueRef Val,
3040                             LLVMTypeRef DestTy, const char *Name);
3041 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef, LLVMValueRef Val,
3042                                LLVMTypeRef DestTy, const char *Name);
3043 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef, LLVMValueRef Val,
3044                                LLVMTypeRef DestTy, const char *Name);
3045 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef, LLVMValueRef Val,
3046                               LLVMTypeRef DestTy, const char *Name);
3047 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef, LLVMValueRef Val,
3048                                     LLVMTypeRef DestTy, const char *Name);
3049 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3050                                     LLVMTypeRef DestTy, const char *Name);
3051 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3052                                     LLVMTypeRef DestTy, const char *Name);
3053 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3054                                      LLVMTypeRef DestTy, const char *Name);
3055 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
3056                            LLVMTypeRef DestTy, const char *Name);
3057 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
3058                                   LLVMTypeRef DestTy, const char *Name);
3059 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
3060                               LLVMTypeRef DestTy, const char *Name);
3061 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
3062                              LLVMTypeRef DestTy, const char *Name);
3063 
3064 /* Comparisons */
3065 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
3066                            LLVMValueRef LHS, LLVMValueRef RHS,
3067                            const char *Name);
3068 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef, LLVMRealPredicate Op,
3069                            LLVMValueRef LHS, LLVMValueRef RHS,
3070                            const char *Name);
3071 
3072 /* Miscellaneous instructions */
3073 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3074 LLVMValueRef LLVMBuildCall(LLVMBuilderRef, LLVMValueRef Fn,
3075                            LLVMValueRef *Args, unsigned NumArgs,
3076                            const char *Name);
3077 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef, LLVMValueRef If,
3078                              LLVMValueRef Then, LLVMValueRef Else,
3079                              const char *Name);
3080 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef, LLVMValueRef List, LLVMTypeRef Ty,
3081                             const char *Name);
3082 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef, LLVMValueRef VecVal,
3083                                      LLVMValueRef Index, const char *Name);
3084 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef, LLVMValueRef VecVal,
3085                                     LLVMValueRef EltVal, LLVMValueRef Index,
3086                                     const char *Name);
3087 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef, LLVMValueRef V1,
3088                                     LLVMValueRef V2, LLVMValueRef Mask,
3089                                     const char *Name);
3090 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef, LLVMValueRef AggVal,
3091                                    unsigned Index, const char *Name);
3092 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef, LLVMValueRef AggVal,
3093                                   LLVMValueRef EltVal, unsigned Index,
3094                                   const char *Name);
3095 
3096 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef, LLVMValueRef Val,
3097                              const char *Name);
3098 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef, LLVMValueRef Val,
3099                                 const char *Name);
3100 LLVMValueRef LLVMBuildPtrDiff(LLVMBuilderRef, LLVMValueRef LHS,
3101                               LLVMValueRef RHS, const char *Name);
3102 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering ordering,
3103                             LLVMBool singleThread, const char *Name);
3104 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B, LLVMAtomicRMWBinOp op,
3105                                 LLVMValueRef PTR, LLVMValueRef Val,
3106                                 LLVMAtomicOrdering ordering,
3107                                 LLVMBool singleThread);
3108 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
3109                                     LLVMValueRef Cmp, LLVMValueRef New,
3110                                     LLVMAtomicOrdering SuccessOrdering,
3111                                     LLVMAtomicOrdering FailureOrdering,
3112                                     LLVMBool SingleThread);
3113 
3114 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst);
3115 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread);
3116 
3117 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst);
3118 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
3119                                    LLVMAtomicOrdering Ordering);
3120 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst);
3121 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
3122                                    LLVMAtomicOrdering Ordering);
3123 
3124 /**
3125  * @}
3126  */
3127 
3128 /**
3129  * @defgroup LLVMCCoreModuleProvider Module Providers
3130  *
3131  * @{
3132  */
3133 
3134 /**
3135  * Changes the type of M so it can be passed to FunctionPassManagers and the
3136  * JIT.  They take ModuleProviders for historical reasons.
3137  */
3138 LLVMModuleProviderRef
3139 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M);
3140 
3141 /**
3142  * Destroys the module M.
3143  */
3144 void LLVMDisposeModuleProvider(LLVMModuleProviderRef M);
3145 
3146 /**
3147  * @}
3148  */
3149 
3150 /**
3151  * @defgroup LLVMCCoreMemoryBuffers Memory Buffers
3152  *
3153  * @{
3154  */
3155 
3156 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(const char *Path,
3157                                                   LLVMMemoryBufferRef *OutMemBuf,
3158                                                   char **OutMessage);
3159 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
3160                                          char **OutMessage);
3161 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
3162                                                           size_t InputDataLength,
3163                                                           const char *BufferName,
3164                                                           LLVMBool RequiresNullTerminator);
3165 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
3166                                                               size_t InputDataLength,
3167                                                               const char *BufferName);
3168 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
3169 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf);
3170 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
3171 
3172 /**
3173  * @}
3174  */
3175 
3176 /**
3177  * @defgroup LLVMCCorePassRegistry Pass Registry
3178  *
3179  * @{
3180  */
3181 
3182 /** Return the global pass registry, for use with initialization functions.
3183     @see llvm::PassRegistry::getPassRegistry */
3184 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void);
3185 
3186 /**
3187  * @}
3188  */
3189 
3190 /**
3191  * @defgroup LLVMCCorePassManagers Pass Managers
3192  *
3193  * @{
3194  */
3195 
3196 /** Constructs a new whole-module pass pipeline. This type of pipeline is
3197     suitable for link-time optimization and whole-module transformations.
3198     @see llvm::PassManager::PassManager */
3199 LLVMPassManagerRef LLVMCreatePassManager(void);
3200 
3201 /** Constructs a new function-by-function pass pipeline over the module
3202     provider. It does not take ownership of the module provider. This type of
3203     pipeline is suitable for code generation and JIT compilation tasks.
3204     @see llvm::FunctionPassManager::FunctionPassManager */
3205 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M);
3206 
3207 /** Deprecated: Use LLVMCreateFunctionPassManagerForModule instead. */
3208 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef MP);
3209 
3210 /** Initializes, executes on the provided module, and finalizes all of the
3211     passes scheduled in the pass manager. Returns 1 if any of the passes
3212     modified the module, 0 otherwise.
3213     @see llvm::PassManager::run(Module&) */
3214 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M);
3215 
3216 /** Initializes all of the function passes scheduled in the function pass
3217     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
3218     @see llvm::FunctionPassManager::doInitialization */
3219 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM);
3220 
3221 /** Executes all of the function passes scheduled in the function pass manager
3222     on the provided function. Returns 1 if any of the passes modified the
3223     function, false otherwise.
3224     @see llvm::FunctionPassManager::run(Function&) */
3225 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F);
3226 
3227 /** Finalizes all of the function passes scheduled in in the function pass
3228     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
3229     @see llvm::FunctionPassManager::doFinalization */
3230 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM);
3231 
3232 /** Frees the memory of a pass pipeline. For function pipelines, does not free
3233     the module provider.
3234     @see llvm::PassManagerBase::~PassManagerBase. */
3235 void LLVMDisposePassManager(LLVMPassManagerRef PM);
3236 
3237 /**
3238  * @}
3239  */
3240 
3241 /**
3242  * @defgroup LLVMCCoreThreading Threading
3243  *
3244  * Handle the structures needed to make LLVM safe for multithreading.
3245  *
3246  * @{
3247  */
3248 
3249 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
3250     time define LLVM_ENABLE_THREADS.  This function always returns
3251     LLVMIsMultithreaded(). */
3252 LLVMBool LLVMStartMultithreaded(void);
3253 
3254 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
3255     time define LLVM_ENABLE_THREADS. */
3256 void LLVMStopMultithreaded(void);
3257 
3258 /** Check whether LLVM is executing in thread-safe mode or not.
3259     @see llvm::llvm_is_multithreaded */
3260 LLVMBool LLVMIsMultithreaded(void);
3261 
3262 /**
3263  * @}
3264  */
3265 
3266 /**
3267  * @}
3268  */
3269 
3270 /**
3271  * @}
3272  */
3273 
3274 #ifdef __cplusplus
3275 }
3276 #endif
3277 
3278 #endif /* LLVM_C_CORE_H */
3279