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 /// External users depend on the following values being stable. It is not safe
58 /// to reorder them.
59 typedef enum {
60   /* Terminator Instructions */
61   LLVMRet            = 1,
62   LLVMBr             = 2,
63   LLVMSwitch         = 3,
64   LLVMIndirectBr     = 4,
65   LLVMInvoke         = 5,
66   /* removed 6 due to API changes */
67   LLVMUnreachable    = 7,
68 
69   /* Standard Unary Operators */
70   LLVMFNeg           = 66,
71 
72   /* Standard Binary Operators */
73   LLVMAdd            = 8,
74   LLVMFAdd           = 9,
75   LLVMSub            = 10,
76   LLVMFSub           = 11,
77   LLVMMul            = 12,
78   LLVMFMul           = 13,
79   LLVMUDiv           = 14,
80   LLVMSDiv           = 15,
81   LLVMFDiv           = 16,
82   LLVMURem           = 17,
83   LLVMSRem           = 18,
84   LLVMFRem           = 19,
85 
86   /* Logical Operators */
87   LLVMShl            = 20,
88   LLVMLShr           = 21,
89   LLVMAShr           = 22,
90   LLVMAnd            = 23,
91   LLVMOr             = 24,
92   LLVMXor            = 25,
93 
94   /* Memory Operators */
95   LLVMAlloca         = 26,
96   LLVMLoad           = 27,
97   LLVMStore          = 28,
98   LLVMGetElementPtr  = 29,
99 
100   /* Cast Operators */
101   LLVMTrunc          = 30,
102   LLVMZExt           = 31,
103   LLVMSExt           = 32,
104   LLVMFPToUI         = 33,
105   LLVMFPToSI         = 34,
106   LLVMUIToFP         = 35,
107   LLVMSIToFP         = 36,
108   LLVMFPTrunc        = 37,
109   LLVMFPExt          = 38,
110   LLVMPtrToInt       = 39,
111   LLVMIntToPtr       = 40,
112   LLVMBitCast        = 41,
113   LLVMAddrSpaceCast  = 60,
114 
115   /* Other Operators */
116   LLVMICmp           = 42,
117   LLVMFCmp           = 43,
118   LLVMPHI            = 44,
119   LLVMCall           = 45,
120   LLVMSelect         = 46,
121   LLVMUserOp1        = 47,
122   LLVMUserOp2        = 48,
123   LLVMVAArg          = 49,
124   LLVMExtractElement = 50,
125   LLVMInsertElement  = 51,
126   LLVMShuffleVector  = 52,
127   LLVMExtractValue   = 53,
128   LLVMInsertValue    = 54,
129 
130   /* Atomic operators */
131   LLVMFence          = 55,
132   LLVMAtomicCmpXchg  = 56,
133   LLVMAtomicRMW      = 57,
134 
135   /* Exception Handling Operators */
136   LLVMResume         = 58,
137   LLVMLandingPad     = 59,
138   LLVMCleanupRet     = 61,
139   LLVMCatchRet       = 62,
140   LLVMCatchPad       = 63,
141   LLVMCleanupPad     = 64,
142   LLVMCatchSwitch    = 65
143 } LLVMOpcode;
144 
145 typedef enum {
146   LLVMVoidTypeKind,        /**< type with no size */
147   LLVMHalfTypeKind,        /**< 16 bit floating point type */
148   LLVMFloatTypeKind,       /**< 32 bit floating point type */
149   LLVMDoubleTypeKind,      /**< 64 bit floating point type */
150   LLVMX86_FP80TypeKind,    /**< 80 bit floating point type (X87) */
151   LLVMFP128TypeKind,       /**< 128 bit floating point type (112-bit mantissa)*/
152   LLVMPPC_FP128TypeKind,   /**< 128 bit floating point type (two 64-bits) */
153   LLVMLabelTypeKind,       /**< Labels */
154   LLVMIntegerTypeKind,     /**< Arbitrary bit width integers */
155   LLVMFunctionTypeKind,    /**< Functions */
156   LLVMStructTypeKind,      /**< Structures */
157   LLVMArrayTypeKind,       /**< Arrays */
158   LLVMPointerTypeKind,     /**< Pointers */
159   LLVMVectorTypeKind,      /**< SIMD 'packed' format, or other vector type */
160   LLVMMetadataTypeKind,    /**< Metadata */
161   LLVMX86_MMXTypeKind,     /**< X86 MMX */
162   LLVMTokenTypeKind        /**< Tokens */
163 } LLVMTypeKind;
164 
165 typedef enum {
166   LLVMExternalLinkage,    /**< Externally visible function */
167   LLVMAvailableExternallyLinkage,
168   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
169   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something
170                             equivalent. */
171   LLVMLinkOnceODRAutoHideLinkage, /**< Obsolete */
172   LLVMWeakAnyLinkage,     /**< Keep one copy of function when linking (weak) */
173   LLVMWeakODRLinkage,     /**< Same, but only replaced by something
174                             equivalent. */
175   LLVMAppendingLinkage,   /**< Special purpose, only applies to global arrays */
176   LLVMInternalLinkage,    /**< Rename collisions when linking (static
177                                functions) */
178   LLVMPrivateLinkage,     /**< Like Internal, but omit from symbol table */
179   LLVMDLLImportLinkage,   /**< Obsolete */
180   LLVMDLLExportLinkage,   /**< Obsolete */
181   LLVMExternalWeakLinkage,/**< ExternalWeak linkage description */
182   LLVMGhostLinkage,       /**< Obsolete */
183   LLVMCommonLinkage,      /**< Tentative definitions */
184   LLVMLinkerPrivateLinkage, /**< Like Private, but linker removes. */
185   LLVMLinkerPrivateWeakLinkage /**< Like LinkerPrivate, but is weak. */
186 } LLVMLinkage;
187 
188 typedef enum {
189   LLVMDefaultVisibility,  /**< The GV is visible */
190   LLVMHiddenVisibility,   /**< The GV is hidden */
191   LLVMProtectedVisibility /**< The GV is protected */
192 } LLVMVisibility;
193 
194 typedef enum {
195   LLVMNoUnnamedAddr,    /**< Address of the GV is significant. */
196   LLVMLocalUnnamedAddr, /**< Address of the GV is locally insignificant. */
197   LLVMGlobalUnnamedAddr /**< Address of the GV is globally insignificant. */
198 } LLVMUnnamedAddr;
199 
200 typedef enum {
201   LLVMDefaultStorageClass   = 0,
202   LLVMDLLImportStorageClass = 1, /**< Function to be imported from DLL. */
203   LLVMDLLExportStorageClass = 2  /**< Function to be accessible from DLL. */
204 } LLVMDLLStorageClass;
205 
206 typedef enum {
207   LLVMCCallConv             = 0,
208   LLVMFastCallConv          = 8,
209   LLVMColdCallConv          = 9,
210   LLVMGHCCallConv           = 10,
211   LLVMHiPECallConv          = 11,
212   LLVMWebKitJSCallConv      = 12,
213   LLVMAnyRegCallConv        = 13,
214   LLVMPreserveMostCallConv  = 14,
215   LLVMPreserveAllCallConv   = 15,
216   LLVMSwiftCallConv         = 16,
217   LLVMCXXFASTTLSCallConv    = 17,
218   LLVMX86StdcallCallConv    = 64,
219   LLVMX86FastcallCallConv   = 65,
220   LLVMARMAPCSCallConv       = 66,
221   LLVMARMAAPCSCallConv      = 67,
222   LLVMARMAAPCSVFPCallConv   = 68,
223   LLVMMSP430INTRCallConv    = 69,
224   LLVMX86ThisCallCallConv   = 70,
225   LLVMPTXKernelCallConv     = 71,
226   LLVMPTXDeviceCallConv     = 72,
227   LLVMSPIRFUNCCallConv      = 75,
228   LLVMSPIRKERNELCallConv    = 76,
229   LLVMIntelOCLBICallConv    = 77,
230   LLVMX8664SysVCallConv     = 78,
231   LLVMWin64CallConv         = 79,
232   LLVMX86VectorCallCallConv = 80,
233   LLVMHHVMCallConv          = 81,
234   LLVMHHVMCCallConv         = 82,
235   LLVMX86INTRCallConv       = 83,
236   LLVMAVRINTRCallConv       = 84,
237   LLVMAVRSIGNALCallConv     = 85,
238   LLVMAVRBUILTINCallConv    = 86,
239   LLVMAMDGPUVSCallConv      = 87,
240   LLVMAMDGPUGSCallConv      = 88,
241   LLVMAMDGPUPSCallConv      = 89,
242   LLVMAMDGPUCSCallConv      = 90,
243   LLVMAMDGPUKERNELCallConv  = 91,
244   LLVMX86RegCallCallConv    = 92,
245   LLVMAMDGPUHSCallConv      = 93,
246   LLVMMSP430BUILTINCallConv = 94,
247   LLVMAMDGPULSCallConv      = 95,
248   LLVMAMDGPUESCallConv      = 96
249 } LLVMCallConv;
250 
251 typedef enum {
252   LLVMArgumentValueKind,
253   LLVMBasicBlockValueKind,
254   LLVMMemoryUseValueKind,
255   LLVMMemoryDefValueKind,
256   LLVMMemoryPhiValueKind,
257 
258   LLVMFunctionValueKind,
259   LLVMGlobalAliasValueKind,
260   LLVMGlobalIFuncValueKind,
261   LLVMGlobalVariableValueKind,
262   LLVMBlockAddressValueKind,
263   LLVMConstantExprValueKind,
264   LLVMConstantArrayValueKind,
265   LLVMConstantStructValueKind,
266   LLVMConstantVectorValueKind,
267 
268   LLVMUndefValueValueKind,
269   LLVMConstantAggregateZeroValueKind,
270   LLVMConstantDataArrayValueKind,
271   LLVMConstantDataVectorValueKind,
272   LLVMConstantIntValueKind,
273   LLVMConstantFPValueKind,
274   LLVMConstantPointerNullValueKind,
275   LLVMConstantTokenNoneValueKind,
276 
277   LLVMMetadataAsValueValueKind,
278   LLVMInlineAsmValueKind,
279 
280   LLVMInstructionValueKind,
281 } LLVMValueKind;
282 
283 typedef enum {
284   LLVMIntEQ = 32, /**< equal */
285   LLVMIntNE,      /**< not equal */
286   LLVMIntUGT,     /**< unsigned greater than */
287   LLVMIntUGE,     /**< unsigned greater or equal */
288   LLVMIntULT,     /**< unsigned less than */
289   LLVMIntULE,     /**< unsigned less or equal */
290   LLVMIntSGT,     /**< signed greater than */
291   LLVMIntSGE,     /**< signed greater or equal */
292   LLVMIntSLT,     /**< signed less than */
293   LLVMIntSLE      /**< signed less or equal */
294 } LLVMIntPredicate;
295 
296 typedef enum {
297   LLVMRealPredicateFalse, /**< Always false (always folded) */
298   LLVMRealOEQ,            /**< True if ordered and equal */
299   LLVMRealOGT,            /**< True if ordered and greater than */
300   LLVMRealOGE,            /**< True if ordered and greater than or equal */
301   LLVMRealOLT,            /**< True if ordered and less than */
302   LLVMRealOLE,            /**< True if ordered and less than or equal */
303   LLVMRealONE,            /**< True if ordered and operands are unequal */
304   LLVMRealORD,            /**< True if ordered (no nans) */
305   LLVMRealUNO,            /**< True if unordered: isnan(X) | isnan(Y) */
306   LLVMRealUEQ,            /**< True if unordered or equal */
307   LLVMRealUGT,            /**< True if unordered or greater than */
308   LLVMRealUGE,            /**< True if unordered, greater than, or equal */
309   LLVMRealULT,            /**< True if unordered or less than */
310   LLVMRealULE,            /**< True if unordered, less than, or equal */
311   LLVMRealUNE,            /**< True if unordered or not equal */
312   LLVMRealPredicateTrue   /**< Always true (always folded) */
313 } LLVMRealPredicate;
314 
315 typedef enum {
316   LLVMLandingPadCatch,    /**< A catch clause   */
317   LLVMLandingPadFilter    /**< A filter clause  */
318 } LLVMLandingPadClauseTy;
319 
320 typedef enum {
321   LLVMNotThreadLocal = 0,
322   LLVMGeneralDynamicTLSModel,
323   LLVMLocalDynamicTLSModel,
324   LLVMInitialExecTLSModel,
325   LLVMLocalExecTLSModel
326 } LLVMThreadLocalMode;
327 
328 typedef enum {
329   LLVMAtomicOrderingNotAtomic = 0, /**< A load or store which is not atomic */
330   LLVMAtomicOrderingUnordered = 1, /**< Lowest level of atomicity, guarantees
331                                      somewhat sane results, lock free. */
332   LLVMAtomicOrderingMonotonic = 2, /**< guarantees that if you take all the
333                                      operations affecting a specific address,
334                                      a consistent ordering exists */
335   LLVMAtomicOrderingAcquire = 4, /**< Acquire provides a barrier of the sort
336                                    necessary to acquire a lock to access other
337                                    memory with normal loads and stores. */
338   LLVMAtomicOrderingRelease = 5, /**< Release is similar to Acquire, but with
339                                    a barrier of the sort necessary to release
340                                    a lock. */
341   LLVMAtomicOrderingAcquireRelease = 6, /**< provides both an Acquire and a
342                                           Release barrier (for fences and
343                                           operations which both read and write
344                                            memory). */
345   LLVMAtomicOrderingSequentiallyConsistent = 7 /**< provides Acquire semantics
346                                                  for loads and Release
347                                                  semantics for stores.
348                                                  Additionally, it guarantees
349                                                  that a total ordering exists
350                                                  between all
351                                                  SequentiallyConsistent
352                                                  operations. */
353 } LLVMAtomicOrdering;
354 
355 typedef enum {
356     LLVMAtomicRMWBinOpXchg, /**< Set the new value and return the one old */
357     LLVMAtomicRMWBinOpAdd, /**< Add a value and return the old one */
358     LLVMAtomicRMWBinOpSub, /**< Subtract a value and return the old one */
359     LLVMAtomicRMWBinOpAnd, /**< And a value and return the old one */
360     LLVMAtomicRMWBinOpNand, /**< Not-And a value and return the old one */
361     LLVMAtomicRMWBinOpOr, /**< OR a value and return the old one */
362     LLVMAtomicRMWBinOpXor, /**< Xor a value and return the old one */
363     LLVMAtomicRMWBinOpMax, /**< Sets the value if it's greater than the
364                              original using a signed comparison and return
365                              the old one */
366     LLVMAtomicRMWBinOpMin, /**< Sets the value if it's Smaller than the
367                              original using a signed comparison and return
368                              the old one */
369     LLVMAtomicRMWBinOpUMax, /**< Sets the value if it's greater than the
370                              original using an unsigned comparison and return
371                              the old one */
372     LLVMAtomicRMWBinOpUMin /**< Sets the value if it's greater than the
373                              original using an unsigned comparison  and return
374                              the old one */
375 } LLVMAtomicRMWBinOp;
376 
377 typedef enum {
378     LLVMDSError,
379     LLVMDSWarning,
380     LLVMDSRemark,
381     LLVMDSNote
382 } LLVMDiagnosticSeverity;
383 
384 typedef enum {
385   LLVMInlineAsmDialectATT,
386   LLVMInlineAsmDialectIntel
387 } LLVMInlineAsmDialect;
388 
389 typedef enum {
390   /**
391    * Emits an error if two values disagree, otherwise the resulting value is
392    * that of the operands.
393    *
394    * @see Module::ModFlagBehavior::Error
395    */
396   LLVMModuleFlagBehaviorError,
397   /**
398    * Emits a warning if two values disagree. The result value will be the
399    * operand for the flag from the first module being linked.
400    *
401    * @see Module::ModFlagBehavior::Warning
402    */
403   LLVMModuleFlagBehaviorWarning,
404   /**
405    * Adds a requirement that another module flag be present and have a
406    * specified value after linking is performed. The value must be a metadata
407    * pair, where the first element of the pair is the ID of the module flag
408    * to be restricted, and the second element of the pair is the value the
409    * module flag should be restricted to. This behavior can be used to
410    * restrict the allowable results (via triggering of an error) of linking
411    * IDs with the **Override** behavior.
412    *
413    * @see Module::ModFlagBehavior::Require
414    */
415   LLVMModuleFlagBehaviorRequire,
416   /**
417    * Uses the specified value, regardless of the behavior or value of the
418    * other module. If both modules specify **Override**, but the values
419    * differ, an error will be emitted.
420    *
421    * @see Module::ModFlagBehavior::Override
422    */
423   LLVMModuleFlagBehaviorOverride,
424   /**
425    * Appends the two values, which are required to be metadata nodes.
426    *
427    * @see Module::ModFlagBehavior::Append
428    */
429   LLVMModuleFlagBehaviorAppend,
430   /**
431    * Appends the two values, which are required to be metadata
432    * nodes. However, duplicate entries in the second list are dropped
433    * during the append operation.
434    *
435    * @see Module::ModFlagBehavior::AppendUnique
436    */
437   LLVMModuleFlagBehaviorAppendUnique,
438 } LLVMModuleFlagBehavior;
439 
440 /**
441  * Attribute index are either LLVMAttributeReturnIndex,
442  * LLVMAttributeFunctionIndex or a parameter number from 1 to N.
443  */
444 enum {
445   LLVMAttributeReturnIndex = 0U,
446   // ISO C restricts enumerator values to range of 'int'
447   // (4294967295 is too large)
448   // LLVMAttributeFunctionIndex = ~0U,
449   LLVMAttributeFunctionIndex = -1,
450 };
451 
452 typedef unsigned LLVMAttributeIndex;
453 
454 /**
455  * @}
456  */
457 
458 void LLVMInitializeCore(LLVMPassRegistryRef R);
459 
460 /** Deallocate and destroy all ManagedStatic variables.
461     @see llvm::llvm_shutdown
462     @see ManagedStatic */
463 void LLVMShutdown(void);
464 
465 /*===-- Error handling ----------------------------------------------------===*/
466 
467 char *LLVMCreateMessage(const char *Message);
468 void LLVMDisposeMessage(char *Message);
469 
470 /**
471  * @defgroup LLVMCCoreContext Contexts
472  *
473  * Contexts are execution states for the core LLVM IR system.
474  *
475  * Most types are tied to a context instance. Multiple contexts can
476  * exist simultaneously. A single context is not thread safe. However,
477  * different contexts can execute on different threads simultaneously.
478  *
479  * @{
480  */
481 
482 typedef void (*LLVMDiagnosticHandler)(LLVMDiagnosticInfoRef, void *);
483 typedef void (*LLVMYieldCallback)(LLVMContextRef, void *);
484 
485 /**
486  * Create a new context.
487  *
488  * Every call to this function should be paired with a call to
489  * LLVMContextDispose() or the context will leak memory.
490  */
491 LLVMContextRef LLVMContextCreate(void);
492 
493 /**
494  * Obtain the global context instance.
495  */
496 LLVMContextRef LLVMGetGlobalContext(void);
497 
498 /**
499  * Set the diagnostic handler for this context.
500  */
501 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
502                                      LLVMDiagnosticHandler Handler,
503                                      void *DiagnosticContext);
504 
505 /**
506  * Get the diagnostic handler of this context.
507  */
508 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C);
509 
510 /**
511  * Get the diagnostic context of this context.
512  */
513 void *LLVMContextGetDiagnosticContext(LLVMContextRef C);
514 
515 /**
516  * Set the yield callback function for this context.
517  *
518  * @see LLVMContext::setYieldCallback()
519  */
520 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
521                                  void *OpaqueHandle);
522 
523 /**
524  * Retrieve whether the given context is set to discard all value names.
525  *
526  * @see LLVMContext::shouldDiscardValueNames()
527  */
528 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C);
529 
530 /**
531  * Set whether the given context discards all value names.
532  *
533  * If true, only the names of GlobalValue objects will be available in the IR.
534  * This can be used to save memory and runtime, especially in release mode.
535  *
536  * @see LLVMContext::setDiscardValueNames()
537  */
538 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard);
539 
540 /**
541  * Destroy a context instance.
542  *
543  * This should be called for every call to LLVMContextCreate() or memory
544  * will be leaked.
545  */
546 void LLVMContextDispose(LLVMContextRef C);
547 
548 /**
549  * Return a string representation of the DiagnosticInfo. Use
550  * LLVMDisposeMessage to free the string.
551  *
552  * @see DiagnosticInfo::print()
553  */
554 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI);
555 
556 /**
557  * Return an enum LLVMDiagnosticSeverity.
558  *
559  * @see DiagnosticInfo::getSeverity()
560  */
561 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI);
562 
563 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
564                                   unsigned SLen);
565 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen);
566 
567 /**
568  * Return an unique id given the name of a enum attribute,
569  * or 0 if no attribute by that name exists.
570  *
571  * See http://llvm.org/docs/LangRef.html#parameter-attributes
572  * and http://llvm.org/docs/LangRef.html#function-attributes
573  * for the list of available attributes.
574  *
575  * NB: Attribute names and/or id are subject to change without
576  * going through the C API deprecation cycle.
577  */
578 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen);
579 unsigned LLVMGetLastEnumAttributeKind(void);
580 
581 /**
582  * Create an enum attribute.
583  */
584 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
585                                          uint64_t Val);
586 
587 /**
588  * Get the unique id corresponding to the enum attribute
589  * passed as argument.
590  */
591 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A);
592 
593 /**
594  * Get the enum attribute's value. 0 is returned if none exists.
595  */
596 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A);
597 
598 /**
599  * Create a string attribute.
600  */
601 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
602                                            const char *K, unsigned KLength,
603                                            const char *V, unsigned VLength);
604 
605 /**
606  * Get the string attribute's kind.
607  */
608 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A, unsigned *Length);
609 
610 /**
611  * Get the string attribute's value.
612  */
613 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A, unsigned *Length);
614 
615 /**
616  * Check for the different types of attributes.
617  */
618 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A);
619 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A);
620 
621 /**
622  * @}
623  */
624 
625 /**
626  * @defgroup LLVMCCoreModule Modules
627  *
628  * Modules represent the top-level structure in an LLVM program. An LLVM
629  * module is effectively a translation unit or a collection of
630  * translation units merged together.
631  *
632  * @{
633  */
634 
635 /**
636  * Create a new, empty module in the global context.
637  *
638  * This is equivalent to calling LLVMModuleCreateWithNameInContext with
639  * LLVMGetGlobalContext() as the context parameter.
640  *
641  * Every invocation should be paired with LLVMDisposeModule() or memory
642  * will be leaked.
643  */
644 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID);
645 
646 /**
647  * Create a new, empty module in a specific context.
648  *
649  * Every invocation should be paired with LLVMDisposeModule() or memory
650  * will be leaked.
651  */
652 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
653                                                 LLVMContextRef C);
654 /**
655  * Return an exact copy of the specified module.
656  */
657 LLVMModuleRef LLVMCloneModule(LLVMModuleRef M);
658 
659 /**
660  * Destroy a module instance.
661  *
662  * This must be called for every created module or memory will be
663  * leaked.
664  */
665 void LLVMDisposeModule(LLVMModuleRef M);
666 
667 /**
668  * Obtain the identifier of a module.
669  *
670  * @param M Module to obtain identifier of
671  * @param Len Out parameter which holds the length of the returned string.
672  * @return The identifier of M.
673  * @see Module::getModuleIdentifier()
674  */
675 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len);
676 
677 /**
678  * Set the identifier of a module to a string Ident with length Len.
679  *
680  * @param M The module to set identifier
681  * @param Ident The string to set M's identifier to
682  * @param Len Length of Ident
683  * @see Module::setModuleIdentifier()
684  */
685 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len);
686 
687 /**
688  * Obtain the module's original source file name.
689  *
690  * @param M Module to obtain the name of
691  * @param Len Out parameter which holds the length of the returned string
692  * @return The original source file name of M
693  * @see Module::getSourceFileName()
694  */
695 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len);
696 
697 /**
698  * Set the original source file name of a module to a string Name with length
699  * Len.
700  *
701  * @param M The module to set the source file name of
702  * @param Name The string to set M's source file name to
703  * @param Len Length of Name
704  * @see Module::setSourceFileName()
705  */
706 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len);
707 
708 /**
709  * Obtain the data layout for a module.
710  *
711  * @see Module::getDataLayoutStr()
712  *
713  * LLVMGetDataLayout is DEPRECATED, as the name is not only incorrect,
714  * but match the name of another method on the module. Prefer the use
715  * of LLVMGetDataLayoutStr, which is not ambiguous.
716  */
717 const char *LLVMGetDataLayoutStr(LLVMModuleRef M);
718 const char *LLVMGetDataLayout(LLVMModuleRef M);
719 
720 /**
721  * Set the data layout for a module.
722  *
723  * @see Module::setDataLayout()
724  */
725 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr);
726 
727 /**
728  * Obtain the target triple for a module.
729  *
730  * @see Module::getTargetTriple()
731  */
732 const char *LLVMGetTarget(LLVMModuleRef M);
733 
734 /**
735  * Set the target triple for a module.
736  *
737  * @see Module::setTargetTriple()
738  */
739 void LLVMSetTarget(LLVMModuleRef M, const char *Triple);
740 
741 /**
742  * Returns the module flags as an array of flag-key-value triples.  The caller
743  * is responsible for freeing this array by calling
744  * \c LLVMDisposeModuleFlagsMetadata.
745  *
746  * @see Module::getModuleFlagsMetadata()
747  */
748 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len);
749 
750 /**
751  * Destroys module flags metadata entries.
752  */
753 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries);
754 
755 /**
756  * Returns the flag behavior for a module flag entry at a specific index.
757  *
758  * @see Module::ModuleFlagEntry::Behavior
759  */
760 LLVMModuleFlagBehavior
761 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
762                                      unsigned Index);
763 
764 /**
765  * Returns the key for a module flag entry at a specific index.
766  *
767  * @see Module::ModuleFlagEntry::Key
768  */
769 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
770                                         unsigned Index, size_t *Len);
771 
772 /**
773  * Returns the metadata for a module flag entry at a specific index.
774  *
775  * @see Module::ModuleFlagEntry::Val
776  */
777 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
778                                                  unsigned Index);
779 
780 /**
781  * Add a module-level flag to the module-level flags metadata if it doesn't
782  * already exist.
783  *
784  * @see Module::getModuleFlag()
785  */
786 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
787                                   const char *Key, size_t KeyLen);
788 
789 /**
790  * Add a module-level flag to the module-level flags metadata if it doesn't
791  * already exist.
792  *
793  * @see Module::addModuleFlag()
794  */
795 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
796                        const char *Key, size_t KeyLen,
797                        LLVMMetadataRef Val);
798 
799 /**
800  * Dump a representation of a module to stderr.
801  *
802  * @see Module::dump()
803  */
804 void LLVMDumpModule(LLVMModuleRef M);
805 
806 /**
807  * Print a representation of a module to a file. The ErrorMessage needs to be
808  * disposed with LLVMDisposeMessage. Returns 0 on success, 1 otherwise.
809  *
810  * @see Module::print()
811  */
812 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
813                                char **ErrorMessage);
814 
815 /**
816  * Return a string representation of the module. Use
817  * LLVMDisposeMessage to free the string.
818  *
819  * @see Module::print()
820  */
821 char *LLVMPrintModuleToString(LLVMModuleRef M);
822 
823 /**
824  * Get inline assembly for a module.
825  *
826  * @see Module::getModuleInlineAsm()
827  */
828 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len);
829 
830 /**
831  * Set inline assembly for a module.
832  *
833  * @see Module::setModuleInlineAsm()
834  */
835 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len);
836 
837 /**
838  * Append inline assembly to a module.
839  *
840  * @see Module::appendModuleInlineAsm()
841  */
842 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len);
843 
844 /**
845  * Create the specified uniqued inline asm string.
846  *
847  * @see InlineAsm::get()
848  */
849 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty,
850                               char *AsmString, size_t AsmStringSize,
851                               char *Constraints, size_t ConstraintsSize,
852                               LLVMBool HasSideEffects, LLVMBool IsAlignStack,
853                               LLVMInlineAsmDialect Dialect);
854 
855 /**
856  * Obtain the context to which this module is associated.
857  *
858  * @see Module::getContext()
859  */
860 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M);
861 
862 /**
863  * Obtain a Type from a module by its registered name.
864  */
865 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name);
866 
867 /**
868  * Obtain an iterator to the first NamedMDNode in a Module.
869  *
870  * @see llvm::Module::named_metadata_begin()
871  */
872 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M);
873 
874 /**
875  * Obtain an iterator to the last NamedMDNode in a Module.
876  *
877  * @see llvm::Module::named_metadata_end()
878  */
879 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M);
880 
881 /**
882  * Advance a NamedMDNode iterator to the next NamedMDNode.
883  *
884  * Returns NULL if the iterator was already at the end and there are no more
885  * named metadata nodes.
886  */
887 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
888 
889 /**
890  * Decrement a NamedMDNode iterator to the previous NamedMDNode.
891  *
892  * Returns NULL if the iterator was already at the beginning and there are
893  * no previous named metadata nodes.
894  */
895 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
896 
897 /**
898  * Retrieve a NamedMDNode with the given name, returning NULL if no such
899  * node exists.
900  *
901  * @see llvm::Module::getNamedMetadata()
902  */
903 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
904                                         const char *Name, size_t NameLen);
905 
906 /**
907  * Retrieve a NamedMDNode with the given name, creating a new node if no such
908  * node exists.
909  *
910  * @see llvm::Module::getOrInsertNamedMetadata()
911  */
912 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
913                                                 const char *Name,
914                                                 size_t NameLen);
915 
916 /**
917  * Retrieve the name of a NamedMDNode.
918  *
919  * @see llvm::NamedMDNode::getName()
920  */
921 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NamedMD,
922                                      size_t *NameLen);
923 
924 /**
925  * Obtain the number of operands for named metadata in a module.
926  *
927  * @see llvm::Module::getNamedMetadata()
928  */
929 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name);
930 
931 /**
932  * Obtain the named metadata operands for a module.
933  *
934  * The passed LLVMValueRef pointer should refer to an array of
935  * LLVMValueRef at least LLVMGetNamedMetadataNumOperands long. This
936  * array will be populated with the LLVMValueRef instances. Each
937  * instance corresponds to a llvm::MDNode.
938  *
939  * @see llvm::Module::getNamedMetadata()
940  * @see llvm::MDNode::getOperand()
941  */
942 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
943                                   LLVMValueRef *Dest);
944 
945 /**
946  * Add an operand to named metadata.
947  *
948  * @see llvm::Module::getNamedMetadata()
949  * @see llvm::MDNode::addOperand()
950  */
951 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
952                                  LLVMValueRef Val);
953 
954 /**
955  * Return the directory of the debug location for this value, which must be
956  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
957  *
958  * @see llvm::Instruction::getDebugLoc()
959  * @see llvm::GlobalVariable::getDebugInfo()
960  * @see llvm::Function::getSubprogram()
961  */
962 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length);
963 
964 /**
965  * Return the filename of the debug location for this value, which must be
966  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
967  *
968  * @see llvm::Instruction::getDebugLoc()
969  * @see llvm::GlobalVariable::getDebugInfo()
970  * @see llvm::Function::getSubprogram()
971  */
972 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length);
973 
974 /**
975  * Return the line number of the debug location for this value, which must be
976  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
977  *
978  * @see llvm::Instruction::getDebugLoc()
979  * @see llvm::GlobalVariable::getDebugInfo()
980  * @see llvm::Function::getSubprogram()
981  */
982 unsigned LLVMGetDebugLocLine(LLVMValueRef Val);
983 
984 /**
985  * Return the column number of the debug location for this value, which must be
986  * an llvm::Instruction.
987  *
988  * @see llvm::Instruction::getDebugLoc()
989  */
990 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val);
991 
992 /**
993  * Add a function to a module under a specified name.
994  *
995  * @see llvm::Function::Create()
996  */
997 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
998                              LLVMTypeRef FunctionTy);
999 
1000 /**
1001  * Obtain a Function value from a Module by its name.
1002  *
1003  * The returned value corresponds to a llvm::Function value.
1004  *
1005  * @see llvm::Module::getFunction()
1006  */
1007 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name);
1008 
1009 /**
1010  * Obtain an iterator to the first Function in a Module.
1011  *
1012  * @see llvm::Module::begin()
1013  */
1014 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M);
1015 
1016 /**
1017  * Obtain an iterator to the last Function in a Module.
1018  *
1019  * @see llvm::Module::end()
1020  */
1021 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M);
1022 
1023 /**
1024  * Advance a Function iterator to the next Function.
1025  *
1026  * Returns NULL if the iterator was already at the end and there are no more
1027  * functions.
1028  */
1029 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn);
1030 
1031 /**
1032  * Decrement a Function iterator to the previous Function.
1033  *
1034  * Returns NULL if the iterator was already at the beginning and there are
1035  * no previous functions.
1036  */
1037 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn);
1038 
1039 /** Deprecated: Use LLVMSetModuleInlineAsm2 instead. */
1040 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm);
1041 
1042 /**
1043  * @}
1044  */
1045 
1046 /**
1047  * @defgroup LLVMCCoreType Types
1048  *
1049  * Types represent the type of a value.
1050  *
1051  * Types are associated with a context instance. The context internally
1052  * deduplicates types so there is only 1 instance of a specific type
1053  * alive at a time. In other words, a unique type is shared among all
1054  * consumers within a context.
1055  *
1056  * A Type in the C API corresponds to llvm::Type.
1057  *
1058  * Types have the following hierarchy:
1059  *
1060  *   types:
1061  *     integer type
1062  *     real type
1063  *     function type
1064  *     sequence types:
1065  *       array type
1066  *       pointer type
1067  *       vector type
1068  *     void type
1069  *     label type
1070  *     opaque type
1071  *
1072  * @{
1073  */
1074 
1075 /**
1076  * Obtain the enumerated type of a Type instance.
1077  *
1078  * @see llvm::Type:getTypeID()
1079  */
1080 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty);
1081 
1082 /**
1083  * Whether the type has a known size.
1084  *
1085  * Things that don't have a size are abstract types, labels, and void.a
1086  *
1087  * @see llvm::Type::isSized()
1088  */
1089 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty);
1090 
1091 /**
1092  * Obtain the context to which this type instance is associated.
1093  *
1094  * @see llvm::Type::getContext()
1095  */
1096 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty);
1097 
1098 /**
1099  * Dump a representation of a type to stderr.
1100  *
1101  * @see llvm::Type::dump()
1102  */
1103 void LLVMDumpType(LLVMTypeRef Val);
1104 
1105 /**
1106  * Return a string representation of the type. Use
1107  * LLVMDisposeMessage to free the string.
1108  *
1109  * @see llvm::Type::print()
1110  */
1111 char *LLVMPrintTypeToString(LLVMTypeRef Val);
1112 
1113 /**
1114  * @defgroup LLVMCCoreTypeInt Integer Types
1115  *
1116  * Functions in this section operate on integer types.
1117  *
1118  * @{
1119  */
1120 
1121 /**
1122  * Obtain an integer type from a context with specified bit width.
1123  */
1124 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C);
1125 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C);
1126 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C);
1127 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C);
1128 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C);
1129 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C);
1130 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits);
1131 
1132 /**
1133  * Obtain an integer type from the global context with a specified bit
1134  * width.
1135  */
1136 LLVMTypeRef LLVMInt1Type(void);
1137 LLVMTypeRef LLVMInt8Type(void);
1138 LLVMTypeRef LLVMInt16Type(void);
1139 LLVMTypeRef LLVMInt32Type(void);
1140 LLVMTypeRef LLVMInt64Type(void);
1141 LLVMTypeRef LLVMInt128Type(void);
1142 LLVMTypeRef LLVMIntType(unsigned NumBits);
1143 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy);
1144 
1145 /**
1146  * @}
1147  */
1148 
1149 /**
1150  * @defgroup LLVMCCoreTypeFloat Floating Point Types
1151  *
1152  * @{
1153  */
1154 
1155 /**
1156  * Obtain a 16-bit floating point type from a context.
1157  */
1158 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C);
1159 
1160 /**
1161  * Obtain a 32-bit floating point type from a context.
1162  */
1163 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C);
1164 
1165 /**
1166  * Obtain a 64-bit floating point type from a context.
1167  */
1168 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C);
1169 
1170 /**
1171  * Obtain a 80-bit floating point type (X87) from a context.
1172  */
1173 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C);
1174 
1175 /**
1176  * Obtain a 128-bit floating point type (112-bit mantissa) from a
1177  * context.
1178  */
1179 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C);
1180 
1181 /**
1182  * Obtain a 128-bit floating point type (two 64-bits) from a context.
1183  */
1184 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C);
1185 
1186 /**
1187  * Obtain a floating point type from the global context.
1188  *
1189  * These map to the functions in this group of the same name.
1190  */
1191 LLVMTypeRef LLVMHalfType(void);
1192 LLVMTypeRef LLVMFloatType(void);
1193 LLVMTypeRef LLVMDoubleType(void);
1194 LLVMTypeRef LLVMX86FP80Type(void);
1195 LLVMTypeRef LLVMFP128Type(void);
1196 LLVMTypeRef LLVMPPCFP128Type(void);
1197 
1198 /**
1199  * @}
1200  */
1201 
1202 /**
1203  * @defgroup LLVMCCoreTypeFunction Function Types
1204  *
1205  * @{
1206  */
1207 
1208 /**
1209  * Obtain a function type consisting of a specified signature.
1210  *
1211  * The function is defined as a tuple of a return Type, a list of
1212  * parameter types, and whether the function is variadic.
1213  */
1214 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
1215                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
1216                              LLVMBool IsVarArg);
1217 
1218 /**
1219  * Returns whether a function type is variadic.
1220  */
1221 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy);
1222 
1223 /**
1224  * Obtain the Type this function Type returns.
1225  */
1226 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy);
1227 
1228 /**
1229  * Obtain the number of parameters this function accepts.
1230  */
1231 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy);
1232 
1233 /**
1234  * Obtain the types of a function's parameters.
1235  *
1236  * The Dest parameter should point to a pre-allocated array of
1237  * LLVMTypeRef at least LLVMCountParamTypes() large. On return, the
1238  * first LLVMCountParamTypes() entries in the array will be populated
1239  * with LLVMTypeRef instances.
1240  *
1241  * @param FunctionTy The function type to operate on.
1242  * @param Dest Memory address of an array to be filled with result.
1243  */
1244 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest);
1245 
1246 /**
1247  * @}
1248  */
1249 
1250 /**
1251  * @defgroup LLVMCCoreTypeStruct Structure Types
1252  *
1253  * These functions relate to LLVMTypeRef instances.
1254  *
1255  * @see llvm::StructType
1256  *
1257  * @{
1258  */
1259 
1260 /**
1261  * Create a new structure type in a context.
1262  *
1263  * A structure is specified by a list of inner elements/types and
1264  * whether these can be packed together.
1265  *
1266  * @see llvm::StructType::create()
1267  */
1268 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
1269                                     unsigned ElementCount, LLVMBool Packed);
1270 
1271 /**
1272  * Create a new structure type in the global context.
1273  *
1274  * @see llvm::StructType::create()
1275  */
1276 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes, unsigned ElementCount,
1277                            LLVMBool Packed);
1278 
1279 /**
1280  * Create an empty structure in a context having a specified name.
1281  *
1282  * @see llvm::StructType::create()
1283  */
1284 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name);
1285 
1286 /**
1287  * Obtain the name of a structure.
1288  *
1289  * @see llvm::StructType::getName()
1290  */
1291 const char *LLVMGetStructName(LLVMTypeRef Ty);
1292 
1293 /**
1294  * Set the contents of a structure type.
1295  *
1296  * @see llvm::StructType::setBody()
1297  */
1298 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
1299                        unsigned ElementCount, LLVMBool Packed);
1300 
1301 /**
1302  * Get the number of elements defined inside the structure.
1303  *
1304  * @see llvm::StructType::getNumElements()
1305  */
1306 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy);
1307 
1308 /**
1309  * Get the elements within a structure.
1310  *
1311  * The function is passed the address of a pre-allocated array of
1312  * LLVMTypeRef at least LLVMCountStructElementTypes() long. After
1313  * invocation, this array will be populated with the structure's
1314  * elements. The objects in the destination array will have a lifetime
1315  * of the structure type itself, which is the lifetime of the context it
1316  * is contained in.
1317  */
1318 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest);
1319 
1320 /**
1321  * Get the type of the element at a given index in the structure.
1322  *
1323  * @see llvm::StructType::getTypeAtIndex()
1324  */
1325 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i);
1326 
1327 /**
1328  * Determine whether a structure is packed.
1329  *
1330  * @see llvm::StructType::isPacked()
1331  */
1332 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy);
1333 
1334 /**
1335  * Determine whether a structure is opaque.
1336  *
1337  * @see llvm::StructType::isOpaque()
1338  */
1339 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy);
1340 
1341 /**
1342  * Determine whether a structure is literal.
1343  *
1344  * @see llvm::StructType::isLiteral()
1345  */
1346 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy);
1347 
1348 /**
1349  * @}
1350  */
1351 
1352 /**
1353  * @defgroup LLVMCCoreTypeSequential Sequential Types
1354  *
1355  * Sequential types represents "arrays" of types. This is a super class
1356  * for array, vector, and pointer types.
1357  *
1358  * @{
1359  */
1360 
1361 /**
1362  * Obtain the type of elements within a sequential type.
1363  *
1364  * This works on array, vector, and pointer types.
1365  *
1366  * @see llvm::SequentialType::getElementType()
1367  */
1368 LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty);
1369 
1370 /**
1371  * Returns type's subtypes
1372  *
1373  * @see llvm::Type::subtypes()
1374  */
1375 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr);
1376 
1377 /**
1378  *  Return the number of types in the derived type.
1379  *
1380  * @see llvm::Type::getNumContainedTypes()
1381  */
1382 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp);
1383 
1384 /**
1385  * Create a fixed size array type that refers to a specific type.
1386  *
1387  * The created type will exist in the context that its element type
1388  * exists in.
1389  *
1390  * @see llvm::ArrayType::get()
1391  */
1392 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount);
1393 
1394 /**
1395  * Obtain the length of an array type.
1396  *
1397  * This only works on types that represent arrays.
1398  *
1399  * @see llvm::ArrayType::getNumElements()
1400  */
1401 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy);
1402 
1403 /**
1404  * Create a pointer type that points to a defined type.
1405  *
1406  * The created type will exist in the context that its pointee type
1407  * exists in.
1408  *
1409  * @see llvm::PointerType::get()
1410  */
1411 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace);
1412 
1413 /**
1414  * Obtain the address space of a pointer type.
1415  *
1416  * This only works on types that represent pointers.
1417  *
1418  * @see llvm::PointerType::getAddressSpace()
1419  */
1420 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy);
1421 
1422 /**
1423  * Create a vector type that contains a defined type and has a specific
1424  * number of elements.
1425  *
1426  * The created type will exist in the context thats its element type
1427  * exists in.
1428  *
1429  * @see llvm::VectorType::get()
1430  */
1431 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount);
1432 
1433 /**
1434  * Obtain the number of elements in a vector type.
1435  *
1436  * This only works on types that represent vectors.
1437  *
1438  * @see llvm::VectorType::getNumElements()
1439  */
1440 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy);
1441 
1442 /**
1443  * @}
1444  */
1445 
1446 /**
1447  * @defgroup LLVMCCoreTypeOther Other Types
1448  *
1449  * @{
1450  */
1451 
1452 /**
1453  * Create a void type in a context.
1454  */
1455 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C);
1456 
1457 /**
1458  * Create a label type in a context.
1459  */
1460 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C);
1461 
1462 /**
1463  * Create a X86 MMX type in a context.
1464  */
1465 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C);
1466 
1467 /**
1468  * Create a token type in a context.
1469  */
1470 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C);
1471 
1472 /**
1473  * Create a metadata type in a context.
1474  */
1475 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C);
1476 
1477 /**
1478  * These are similar to the above functions except they operate on the
1479  * global context.
1480  */
1481 LLVMTypeRef LLVMVoidType(void);
1482 LLVMTypeRef LLVMLabelType(void);
1483 LLVMTypeRef LLVMX86MMXType(void);
1484 
1485 /**
1486  * @}
1487  */
1488 
1489 /**
1490  * @}
1491  */
1492 
1493 /**
1494  * @defgroup LLVMCCoreValues Values
1495  *
1496  * The bulk of LLVM's object model consists of values, which comprise a very
1497  * rich type hierarchy.
1498  *
1499  * LLVMValueRef essentially represents llvm::Value. There is a rich
1500  * hierarchy of classes within this type. Depending on the instance
1501  * obtained, not all APIs are available.
1502  *
1503  * Callers can determine the type of an LLVMValueRef by calling the
1504  * LLVMIsA* family of functions (e.g. LLVMIsAArgument()). These
1505  * functions are defined by a macro, so it isn't obvious which are
1506  * available by looking at the Doxygen source code. Instead, look at the
1507  * source definition of LLVM_FOR_EACH_VALUE_SUBCLASS and note the list
1508  * of value names given. These value names also correspond to classes in
1509  * the llvm::Value hierarchy.
1510  *
1511  * @{
1512  */
1513 
1514 #define LLVM_FOR_EACH_VALUE_SUBCLASS(macro) \
1515   macro(Argument)                           \
1516   macro(BasicBlock)                         \
1517   macro(InlineAsm)                          \
1518   macro(User)                               \
1519     macro(Constant)                         \
1520       macro(BlockAddress)                   \
1521       macro(ConstantAggregateZero)          \
1522       macro(ConstantArray)                  \
1523       macro(ConstantDataSequential)         \
1524         macro(ConstantDataArray)            \
1525         macro(ConstantDataVector)           \
1526       macro(ConstantExpr)                   \
1527       macro(ConstantFP)                     \
1528       macro(ConstantInt)                    \
1529       macro(ConstantPointerNull)            \
1530       macro(ConstantStruct)                 \
1531       macro(ConstantTokenNone)              \
1532       macro(ConstantVector)                 \
1533       macro(GlobalValue)                    \
1534         macro(GlobalAlias)                  \
1535         macro(GlobalIFunc)                  \
1536         macro(GlobalObject)                 \
1537           macro(Function)                   \
1538           macro(GlobalVariable)             \
1539       macro(UndefValue)                     \
1540     macro(Instruction)                      \
1541       macro(BinaryOperator)                 \
1542       macro(CallInst)                       \
1543         macro(IntrinsicInst)                \
1544           macro(DbgInfoIntrinsic)           \
1545             macro(DbgVariableIntrinsic)     \
1546               macro(DbgDeclareInst)         \
1547             macro(DbgLabelInst)             \
1548           macro(MemIntrinsic)               \
1549             macro(MemCpyInst)               \
1550             macro(MemMoveInst)              \
1551             macro(MemSetInst)               \
1552       macro(CmpInst)                        \
1553         macro(FCmpInst)                     \
1554         macro(ICmpInst)                     \
1555       macro(ExtractElementInst)             \
1556       macro(GetElementPtrInst)              \
1557       macro(InsertElementInst)              \
1558       macro(InsertValueInst)                \
1559       macro(LandingPadInst)                 \
1560       macro(PHINode)                        \
1561       macro(SelectInst)                     \
1562       macro(ShuffleVectorInst)              \
1563       macro(StoreInst)                      \
1564       macro(BranchInst)                     \
1565       macro(IndirectBrInst)                 \
1566       macro(InvokeInst)                     \
1567       macro(ReturnInst)                     \
1568       macro(SwitchInst)                     \
1569       macro(UnreachableInst)                \
1570       macro(ResumeInst)                     \
1571       macro(CleanupReturnInst)              \
1572       macro(CatchReturnInst)                \
1573       macro(FuncletPadInst)                 \
1574         macro(CatchPadInst)                 \
1575         macro(CleanupPadInst)               \
1576       macro(UnaryInstruction)               \
1577         macro(AllocaInst)                   \
1578         macro(CastInst)                     \
1579           macro(AddrSpaceCastInst)          \
1580           macro(BitCastInst)                \
1581           macro(FPExtInst)                  \
1582           macro(FPToSIInst)                 \
1583           macro(FPToUIInst)                 \
1584           macro(FPTruncInst)                \
1585           macro(IntToPtrInst)               \
1586           macro(PtrToIntInst)               \
1587           macro(SExtInst)                   \
1588           macro(SIToFPInst)                 \
1589           macro(TruncInst)                  \
1590           macro(UIToFPInst)                 \
1591           macro(ZExtInst)                   \
1592         macro(ExtractValueInst)             \
1593         macro(LoadInst)                     \
1594         macro(VAArgInst)
1595 
1596 /**
1597  * @defgroup LLVMCCoreValueGeneral General APIs
1598  *
1599  * Functions in this section work on all LLVMValueRef instances,
1600  * regardless of their sub-type. They correspond to functions available
1601  * on llvm::Value.
1602  *
1603  * @{
1604  */
1605 
1606 /**
1607  * Obtain the type of a value.
1608  *
1609  * @see llvm::Value::getType()
1610  */
1611 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val);
1612 
1613 /**
1614  * Obtain the enumerated type of a Value instance.
1615  *
1616  * @see llvm::Value::getValueID()
1617  */
1618 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val);
1619 
1620 /**
1621  * Obtain the string name of a value.
1622  *
1623  * @see llvm::Value::getName()
1624  */
1625 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length);
1626 
1627 /**
1628  * Set the string name of a value.
1629  *
1630  * @see llvm::Value::setName()
1631  */
1632 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen);
1633 
1634 /**
1635  * Dump a representation of a value to stderr.
1636  *
1637  * @see llvm::Value::dump()
1638  */
1639 void LLVMDumpValue(LLVMValueRef Val);
1640 
1641 /**
1642  * Return a string representation of the value. Use
1643  * LLVMDisposeMessage to free the string.
1644  *
1645  * @see llvm::Value::print()
1646  */
1647 char *LLVMPrintValueToString(LLVMValueRef Val);
1648 
1649 /**
1650  * Replace all uses of a value with another one.
1651  *
1652  * @see llvm::Value::replaceAllUsesWith()
1653  */
1654 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal);
1655 
1656 /**
1657  * Determine whether the specified value instance is constant.
1658  */
1659 LLVMBool LLVMIsConstant(LLVMValueRef Val);
1660 
1661 /**
1662  * Determine whether a value instance is undefined.
1663  */
1664 LLVMBool LLVMIsUndef(LLVMValueRef Val);
1665 
1666 /**
1667  * Convert value instances between types.
1668  *
1669  * Internally, an LLVMValueRef is "pinned" to a specific type. This
1670  * series of functions allows you to cast an instance to a specific
1671  * type.
1672  *
1673  * If the cast is not valid for the specified type, NULL is returned.
1674  *
1675  * @see llvm::dyn_cast_or_null<>
1676  */
1677 #define LLVM_DECLARE_VALUE_CAST(name) \
1678   LLVMValueRef LLVMIsA##name(LLVMValueRef Val);
1679 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DECLARE_VALUE_CAST)
1680 
1681 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val);
1682 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val);
1683 
1684 /** Deprecated: Use LLVMGetValueName2 instead. */
1685 const char *LLVMGetValueName(LLVMValueRef Val);
1686 /** Deprecated: Use LLVMSetValueName2 instead. */
1687 void LLVMSetValueName(LLVMValueRef Val, const char *Name);
1688 
1689 /**
1690  * @}
1691  */
1692 
1693 /**
1694  * @defgroup LLVMCCoreValueUses Usage
1695  *
1696  * This module defines functions that allow you to inspect the uses of a
1697  * LLVMValueRef.
1698  *
1699  * It is possible to obtain an LLVMUseRef for any LLVMValueRef instance.
1700  * Each LLVMUseRef (which corresponds to a llvm::Use instance) holds a
1701  * llvm::User and llvm::Value.
1702  *
1703  * @{
1704  */
1705 
1706 /**
1707  * Obtain the first use of a value.
1708  *
1709  * Uses are obtained in an iterator fashion. First, call this function
1710  * to obtain a reference to the first use. Then, call LLVMGetNextUse()
1711  * on that instance and all subsequently obtained instances until
1712  * LLVMGetNextUse() returns NULL.
1713  *
1714  * @see llvm::Value::use_begin()
1715  */
1716 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val);
1717 
1718 /**
1719  * Obtain the next use of a value.
1720  *
1721  * This effectively advances the iterator. It returns NULL if you are on
1722  * the final use and no more are available.
1723  */
1724 LLVMUseRef LLVMGetNextUse(LLVMUseRef U);
1725 
1726 /**
1727  * Obtain the user value for a user.
1728  *
1729  * The returned value corresponds to a llvm::User type.
1730  *
1731  * @see llvm::Use::getUser()
1732  */
1733 LLVMValueRef LLVMGetUser(LLVMUseRef U);
1734 
1735 /**
1736  * Obtain the value this use corresponds to.
1737  *
1738  * @see llvm::Use::get().
1739  */
1740 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U);
1741 
1742 /**
1743  * @}
1744  */
1745 
1746 /**
1747  * @defgroup LLVMCCoreValueUser User value
1748  *
1749  * Function in this group pertain to LLVMValueRef instances that descent
1750  * from llvm::User. This includes constants, instructions, and
1751  * operators.
1752  *
1753  * @{
1754  */
1755 
1756 /**
1757  * Obtain an operand at a specific index in a llvm::User value.
1758  *
1759  * @see llvm::User::getOperand()
1760  */
1761 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index);
1762 
1763 /**
1764  * Obtain the use of an operand at a specific index in a llvm::User value.
1765  *
1766  * @see llvm::User::getOperandUse()
1767  */
1768 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index);
1769 
1770 /**
1771  * Set an operand at a specific index in a llvm::User value.
1772  *
1773  * @see llvm::User::setOperand()
1774  */
1775 void LLVMSetOperand(LLVMValueRef User, unsigned Index, LLVMValueRef Val);
1776 
1777 /**
1778  * Obtain the number of operands in a llvm::User value.
1779  *
1780  * @see llvm::User::getNumOperands()
1781  */
1782 int LLVMGetNumOperands(LLVMValueRef Val);
1783 
1784 /**
1785  * @}
1786  */
1787 
1788 /**
1789  * @defgroup LLVMCCoreValueConstant Constants
1790  *
1791  * This section contains APIs for interacting with LLVMValueRef that
1792  * correspond to llvm::Constant instances.
1793  *
1794  * These functions will work for any LLVMValueRef in the llvm::Constant
1795  * class hierarchy.
1796  *
1797  * @{
1798  */
1799 
1800 /**
1801  * Obtain a constant value referring to the null instance of a type.
1802  *
1803  * @see llvm::Constant::getNullValue()
1804  */
1805 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty); /* all zeroes */
1806 
1807 /**
1808  * Obtain a constant value referring to the instance of a type
1809  * consisting of all ones.
1810  *
1811  * This is only valid for integer types.
1812  *
1813  * @see llvm::Constant::getAllOnesValue()
1814  */
1815 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty);
1816 
1817 /**
1818  * Obtain a constant value referring to an undefined value of a type.
1819  *
1820  * @see llvm::UndefValue::get()
1821  */
1822 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty);
1823 
1824 /**
1825  * Determine whether a value instance is null.
1826  *
1827  * @see llvm::Constant::isNullValue()
1828  */
1829 LLVMBool LLVMIsNull(LLVMValueRef Val);
1830 
1831 /**
1832  * Obtain a constant that is a constant pointer pointing to NULL for a
1833  * specified type.
1834  */
1835 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty);
1836 
1837 /**
1838  * @defgroup LLVMCCoreValueConstantScalar Scalar constants
1839  *
1840  * Functions in this group model LLVMValueRef instances that correspond
1841  * to constants referring to scalar types.
1842  *
1843  * For integer types, the LLVMTypeRef parameter should correspond to a
1844  * llvm::IntegerType instance and the returned LLVMValueRef will
1845  * correspond to a llvm::ConstantInt.
1846  *
1847  * For floating point types, the LLVMTypeRef returned corresponds to a
1848  * llvm::ConstantFP.
1849  *
1850  * @{
1851  */
1852 
1853 /**
1854  * Obtain a constant value for an integer type.
1855  *
1856  * The returned value corresponds to a llvm::ConstantInt.
1857  *
1858  * @see llvm::ConstantInt::get()
1859  *
1860  * @param IntTy Integer type to obtain value of.
1861  * @param N The value the returned instance should refer to.
1862  * @param SignExtend Whether to sign extend the produced value.
1863  */
1864 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1865                           LLVMBool SignExtend);
1866 
1867 /**
1868  * Obtain a constant value for an integer of arbitrary precision.
1869  *
1870  * @see llvm::ConstantInt::get()
1871  */
1872 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1873                                               unsigned NumWords,
1874                                               const uint64_t Words[]);
1875 
1876 /**
1877  * Obtain a constant value for an integer parsed from a string.
1878  *
1879  * A similar API, LLVMConstIntOfStringAndSize is also available. If the
1880  * string's length is available, it is preferred to call that function
1881  * instead.
1882  *
1883  * @see llvm::ConstantInt::get()
1884  */
1885 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char *Text,
1886                                   uint8_t Radix);
1887 
1888 /**
1889  * Obtain a constant value for an integer parsed from a string with
1890  * specified length.
1891  *
1892  * @see llvm::ConstantInt::get()
1893  */
1894 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char *Text,
1895                                          unsigned SLen, uint8_t Radix);
1896 
1897 /**
1898  * Obtain a constant value referring to a double floating point value.
1899  */
1900 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N);
1901 
1902 /**
1903  * Obtain a constant for a floating point value parsed from a string.
1904  *
1905  * A similar API, LLVMConstRealOfStringAndSize is also available. It
1906  * should be used if the input string's length is known.
1907  */
1908 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text);
1909 
1910 /**
1911  * Obtain a constant for a floating point value parsed from a string.
1912  */
1913 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char *Text,
1914                                           unsigned SLen);
1915 
1916 /**
1917  * Obtain the zero extended value for an integer constant value.
1918  *
1919  * @see llvm::ConstantInt::getZExtValue()
1920  */
1921 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal);
1922 
1923 /**
1924  * Obtain the sign extended value for an integer constant value.
1925  *
1926  * @see llvm::ConstantInt::getSExtValue()
1927  */
1928 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal);
1929 
1930 /**
1931  * Obtain the double value for an floating point constant value.
1932  * losesInfo indicates if some precision was lost in the conversion.
1933  *
1934  * @see llvm::ConstantFP::getDoubleValue
1935  */
1936 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *losesInfo);
1937 
1938 /**
1939  * @}
1940  */
1941 
1942 /**
1943  * @defgroup LLVMCCoreValueConstantComposite Composite Constants
1944  *
1945  * Functions in this group operate on composite constants.
1946  *
1947  * @{
1948  */
1949 
1950 /**
1951  * Create a ConstantDataSequential and initialize it with a string.
1952  *
1953  * @see llvm::ConstantDataArray::getString()
1954  */
1955 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
1956                                       unsigned Length, LLVMBool DontNullTerminate);
1957 
1958 /**
1959  * Create a ConstantDataSequential with string content in the global context.
1960  *
1961  * This is the same as LLVMConstStringInContext except it operates on the
1962  * global context.
1963  *
1964  * @see LLVMConstStringInContext()
1965  * @see llvm::ConstantDataArray::getString()
1966  */
1967 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
1968                              LLVMBool DontNullTerminate);
1969 
1970 /**
1971  * Returns true if the specified constant is an array of i8.
1972  *
1973  * @see ConstantDataSequential::getAsString()
1974  */
1975 LLVMBool LLVMIsConstantString(LLVMValueRef c);
1976 
1977 /**
1978  * Get the given constant data sequential as a string.
1979  *
1980  * @see ConstantDataSequential::getAsString()
1981  */
1982 const char *LLVMGetAsString(LLVMValueRef c, size_t *Length);
1983 
1984 /**
1985  * Create an anonymous ConstantStruct with the specified values.
1986  *
1987  * @see llvm::ConstantStruct::getAnon()
1988  */
1989 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
1990                                       LLVMValueRef *ConstantVals,
1991                                       unsigned Count, LLVMBool Packed);
1992 
1993 /**
1994  * Create a ConstantStruct in the global Context.
1995  *
1996  * This is the same as LLVMConstStructInContext except it operates on the
1997  * global Context.
1998  *
1999  * @see LLVMConstStructInContext()
2000  */
2001 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
2002                              LLVMBool Packed);
2003 
2004 /**
2005  * Create a ConstantArray from values.
2006  *
2007  * @see llvm::ConstantArray::get()
2008  */
2009 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
2010                             LLVMValueRef *ConstantVals, unsigned Length);
2011 
2012 /**
2013  * Create a non-anonymous ConstantStruct from values.
2014  *
2015  * @see llvm::ConstantStruct::get()
2016  */
2017 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
2018                                   LLVMValueRef *ConstantVals,
2019                                   unsigned Count);
2020 
2021 /**
2022  * Get an element at specified index as a constant.
2023  *
2024  * @see ConstantDataSequential::getElementAsConstant()
2025  */
2026 LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx);
2027 
2028 /**
2029  * Create a ConstantVector from values.
2030  *
2031  * @see llvm::ConstantVector::get()
2032  */
2033 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size);
2034 
2035 /**
2036  * @}
2037  */
2038 
2039 /**
2040  * @defgroup LLVMCCoreValueConstantExpressions Constant Expressions
2041  *
2042  * Functions in this group correspond to APIs on llvm::ConstantExpr.
2043  *
2044  * @see llvm::ConstantExpr.
2045  *
2046  * @{
2047  */
2048 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal);
2049 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty);
2050 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty);
2051 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal);
2052 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal);
2053 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal);
2054 LLVMValueRef LLVMConstFNeg(LLVMValueRef ConstantVal);
2055 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal);
2056 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2057 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2058 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2059 LLVMValueRef LLVMConstFAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2060 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2061 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2062 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2063 LLVMValueRef LLVMConstFSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2064 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2065 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2066 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2067 LLVMValueRef LLVMConstFMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2068 LLVMValueRef LLVMConstUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2069 LLVMValueRef LLVMConstExactUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2070 LLVMValueRef LLVMConstSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2071 LLVMValueRef LLVMConstExactSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2072 LLVMValueRef LLVMConstFDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2073 LLVMValueRef LLVMConstURem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2074 LLVMValueRef LLVMConstSRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2075 LLVMValueRef LLVMConstFRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2076 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2077 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2078 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2079 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
2080                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2081 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
2082                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2083 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2084 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2085 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2086 LLVMValueRef LLVMConstGEP(LLVMValueRef ConstantVal,
2087                           LLVMValueRef *ConstantIndices, unsigned NumIndices);
2088 LLVMValueRef LLVMConstGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2089                            LLVMValueRef *ConstantIndices, unsigned NumIndices);
2090 LLVMValueRef LLVMConstInBoundsGEP(LLVMValueRef ConstantVal,
2091                                   LLVMValueRef *ConstantIndices,
2092                                   unsigned NumIndices);
2093 LLVMValueRef LLVMConstInBoundsGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2094                                    LLVMValueRef *ConstantIndices,
2095                                    unsigned NumIndices);
2096 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2097 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2098 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2099 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2100 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2101 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2102 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2103 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2104 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2105 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2106 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2107 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2108 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2109 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
2110                                     LLVMTypeRef ToType);
2111 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
2112                                     LLVMTypeRef ToType);
2113 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
2114                                      LLVMTypeRef ToType);
2115 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
2116                                   LLVMTypeRef ToType);
2117 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
2118                               LLVMBool isSigned);
2119 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2120 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
2121                              LLVMValueRef ConstantIfTrue,
2122                              LLVMValueRef ConstantIfFalse);
2123 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
2124                                      LLVMValueRef IndexConstant);
2125 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
2126                                     LLVMValueRef ElementValueConstant,
2127                                     LLVMValueRef IndexConstant);
2128 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
2129                                     LLVMValueRef VectorBConstant,
2130                                     LLVMValueRef MaskConstant);
2131 LLVMValueRef LLVMConstExtractValue(LLVMValueRef AggConstant, unsigned *IdxList,
2132                                    unsigned NumIdx);
2133 LLVMValueRef LLVMConstInsertValue(LLVMValueRef AggConstant,
2134                                   LLVMValueRef ElementValueConstant,
2135                                   unsigned *IdxList, unsigned NumIdx);
2136 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB);
2137 
2138 /** Deprecated: Use LLVMGetInlineAsm instead. */
2139 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty,
2140                                 const char *AsmString, const char *Constraints,
2141                                 LLVMBool HasSideEffects, LLVMBool IsAlignStack);
2142 
2143 /**
2144  * @}
2145  */
2146 
2147 /**
2148  * @defgroup LLVMCCoreValueConstantGlobals Global Values
2149  *
2150  * This group contains functions that operate on global values. Functions in
2151  * this group relate to functions in the llvm::GlobalValue class tree.
2152  *
2153  * @see llvm::GlobalValue
2154  *
2155  * @{
2156  */
2157 
2158 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global);
2159 LLVMBool LLVMIsDeclaration(LLVMValueRef Global);
2160 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global);
2161 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage);
2162 const char *LLVMGetSection(LLVMValueRef Global);
2163 void LLVMSetSection(LLVMValueRef Global, const char *Section);
2164 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
2165 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
2166 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global);
2167 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class);
2168 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global);
2169 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr);
2170 
2171 /**
2172  * Returns the "value type" of a global value.  This differs from the formal
2173  * type of a global value which is always a pointer type.
2174  *
2175  * @see llvm::GlobalValue::getValueType()
2176  */
2177 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global);
2178 
2179 /** Deprecated: Use LLVMGetUnnamedAddress instead. */
2180 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global);
2181 /** Deprecated: Use LLVMSetUnnamedAddress instead. */
2182 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr);
2183 
2184 /**
2185  * @defgroup LLVMCCoreValueWithAlignment Values with alignment
2186  *
2187  * Functions in this group only apply to values with alignment, i.e.
2188  * global variables, load and store instructions.
2189  */
2190 
2191 /**
2192  * Obtain the preferred alignment of the value.
2193  * @see llvm::AllocaInst::getAlignment()
2194  * @see llvm::LoadInst::getAlignment()
2195  * @see llvm::StoreInst::getAlignment()
2196  * @see llvm::GlobalValue::getAlignment()
2197  */
2198 unsigned LLVMGetAlignment(LLVMValueRef V);
2199 
2200 /**
2201  * Set the preferred alignment of the value.
2202  * @see llvm::AllocaInst::setAlignment()
2203  * @see llvm::LoadInst::setAlignment()
2204  * @see llvm::StoreInst::setAlignment()
2205  * @see llvm::GlobalValue::setAlignment()
2206  */
2207 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes);
2208 
2209 /**
2210  * Sets a metadata attachment, erasing the existing metadata attachment if
2211  * it already exists for the given kind.
2212  *
2213  * @see llvm::GlobalObject::setMetadata()
2214  */
2215 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2216                            LLVMMetadataRef MD);
2217 
2218 /**
2219  * Erases a metadata attachment of the given kind if it exists.
2220  *
2221  * @see llvm::GlobalObject::eraseMetadata()
2222  */
2223 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind);
2224 
2225 /**
2226  * Removes all metadata attachments from this value.
2227  *
2228  * @see llvm::GlobalObject::clearMetadata()
2229  */
2230 void LLVMGlobalClearMetadata(LLVMValueRef Global);
2231 
2232 /**
2233  * Retrieves an array of metadata entries representing the metadata attached to
2234  * this value. The caller is responsible for freeing this array by calling
2235  * \c LLVMDisposeValueMetadataEntries.
2236  *
2237  * @see llvm::GlobalObject::getAllMetadata()
2238  */
2239 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2240                                                   size_t *NumEntries);
2241 
2242 /**
2243  * Destroys value metadata entries.
2244  */
2245 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries);
2246 
2247 /**
2248  * Returns the kind of a value metadata entry at a specific index.
2249  */
2250 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2251                                          unsigned Index);
2252 
2253 /**
2254  * Returns the underlying metadata node of a value metadata entry at a
2255  * specific index.
2256  */
2257 LLVMMetadataRef
2258 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2259                                     unsigned Index);
2260 
2261 /**
2262  * @}
2263  */
2264 
2265 /**
2266  * @defgroup LLVMCoreValueConstantGlobalVariable Global Variables
2267  *
2268  * This group contains functions that operate on global variable values.
2269  *
2270  * @see llvm::GlobalVariable
2271  *
2272  * @{
2273  */
2274 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name);
2275 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2276                                          const char *Name,
2277                                          unsigned AddressSpace);
2278 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name);
2279 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M);
2280 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M);
2281 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar);
2282 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar);
2283 void LLVMDeleteGlobal(LLVMValueRef GlobalVar);
2284 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar);
2285 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal);
2286 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar);
2287 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal);
2288 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar);
2289 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant);
2290 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar);
2291 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode);
2292 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar);
2293 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit);
2294 
2295 /**
2296  * @}
2297  */
2298 
2299 /**
2300  * @defgroup LLVMCoreValueConstantGlobalAlias Global Aliases
2301  *
2302  * This group contains function that operate on global alias values.
2303  *
2304  * @see llvm::GlobalAlias
2305  *
2306  * @{
2307  */
2308 LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty, LLVMValueRef Aliasee,
2309                           const char *Name);
2310 
2311 /**
2312  * Obtain a GlobalAlias value from a Module by its name.
2313  *
2314  * The returned value corresponds to a llvm::GlobalAlias value.
2315  *
2316  * @see llvm::Module::getNamedAlias()
2317  */
2318 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2319                                      const char *Name, size_t NameLen);
2320 
2321 /**
2322  * Obtain an iterator to the first GlobalAlias in a Module.
2323  *
2324  * @see llvm::Module::alias_begin()
2325  */
2326 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M);
2327 
2328 /**
2329  * Obtain an iterator to the last GlobalAlias in a Module.
2330  *
2331  * @see llvm::Module::alias_end()
2332  */
2333 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M);
2334 
2335 /**
2336  * Advance a GlobalAlias iterator to the next GlobalAlias.
2337  *
2338  * Returns NULL if the iterator was already at the end and there are no more
2339  * global aliases.
2340  */
2341 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA);
2342 
2343 /**
2344  * Decrement a GlobalAlias iterator to the previous GlobalAlias.
2345  *
2346  * Returns NULL if the iterator was already at the beginning and there are
2347  * no previous global aliases.
2348  */
2349 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA);
2350 
2351 /**
2352  * Retrieve the target value of an alias.
2353  */
2354 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias);
2355 
2356 /**
2357  * Set the target value of an alias.
2358  */
2359 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee);
2360 
2361 /**
2362  * @}
2363  */
2364 
2365 /**
2366  * @defgroup LLVMCCoreValueFunction Function values
2367  *
2368  * Functions in this group operate on LLVMValueRef instances that
2369  * correspond to llvm::Function instances.
2370  *
2371  * @see llvm::Function
2372  *
2373  * @{
2374  */
2375 
2376 /**
2377  * Remove a function from its containing module and deletes it.
2378  *
2379  * @see llvm::Function::eraseFromParent()
2380  */
2381 void LLVMDeleteFunction(LLVMValueRef Fn);
2382 
2383 /**
2384  * Check whether the given function has a personality function.
2385  *
2386  * @see llvm::Function::hasPersonalityFn()
2387  */
2388 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn);
2389 
2390 /**
2391  * Obtain the personality function attached to the function.
2392  *
2393  * @see llvm::Function::getPersonalityFn()
2394  */
2395 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn);
2396 
2397 /**
2398  * Set the personality function attached to the function.
2399  *
2400  * @see llvm::Function::setPersonalityFn()
2401  */
2402 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn);
2403 
2404 /**
2405  * Obtain the ID number from a function instance.
2406  *
2407  * @see llvm::Function::getIntrinsicID()
2408  */
2409 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn);
2410 
2411 /**
2412  * Create or insert the declaration of an intrinsic.  For overloaded intrinsics,
2413  * parameter types must be provided to uniquely identify an overload.
2414  *
2415  * @see llvm::Intrinsic::getDeclaration()
2416  */
2417 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2418                                          unsigned ID,
2419                                          LLVMTypeRef *ParamTypes,
2420                                          size_t ParamCount);
2421 
2422 /**
2423  * Retrieves the type of an intrinsic.  For overloaded intrinsics, parameter
2424  * types must be provided to uniquely identify an overload.
2425  *
2426  * @see llvm::Intrinsic::getType()
2427  */
2428 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2429                                  LLVMTypeRef *ParamTypes, size_t ParamCount);
2430 
2431 /**
2432  * Retrieves the name of an intrinsic.
2433  *
2434  * @see llvm::Intrinsic::getName()
2435  */
2436 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength);
2437 
2438 /**
2439  * Copies the name of an overloaded intrinsic identified by a given list of
2440  * parameter types.
2441  *
2442  * Unlike LLVMIntrinsicGetName, the caller is responsible for freeing the
2443  * returned string.
2444  *
2445  * @see llvm::Intrinsic::getName()
2446  */
2447 const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
2448                                             LLVMTypeRef *ParamTypes,
2449                                             size_t ParamCount,
2450                                             size_t *NameLength);
2451 
2452 /**
2453  * Obtain if the intrinsic identified by the given ID is overloaded.
2454  *
2455  * @see llvm::Intrinsic::isOverloaded()
2456  */
2457 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID);
2458 
2459 /**
2460  * Obtain the calling function of a function.
2461  *
2462  * The returned value corresponds to the LLVMCallConv enumeration.
2463  *
2464  * @see llvm::Function::getCallingConv()
2465  */
2466 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn);
2467 
2468 /**
2469  * Set the calling convention of a function.
2470  *
2471  * @see llvm::Function::setCallingConv()
2472  *
2473  * @param Fn Function to operate on
2474  * @param CC LLVMCallConv to set calling convention to
2475  */
2476 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC);
2477 
2478 /**
2479  * Obtain the name of the garbage collector to use during code
2480  * generation.
2481  *
2482  * @see llvm::Function::getGC()
2483  */
2484 const char *LLVMGetGC(LLVMValueRef Fn);
2485 
2486 /**
2487  * Define the garbage collector to use during code generation.
2488  *
2489  * @see llvm::Function::setGC()
2490  */
2491 void LLVMSetGC(LLVMValueRef Fn, const char *Name);
2492 
2493 /**
2494  * Add an attribute to a function.
2495  *
2496  * @see llvm::Function::addAttribute()
2497  */
2498 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2499                              LLVMAttributeRef A);
2500 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx);
2501 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2502                               LLVMAttributeRef *Attrs);
2503 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2504                                              LLVMAttributeIndex Idx,
2505                                              unsigned KindID);
2506 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2507                                                LLVMAttributeIndex Idx,
2508                                                const char *K, unsigned KLen);
2509 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2510                                     unsigned KindID);
2511 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2512                                       const char *K, unsigned KLen);
2513 
2514 /**
2515  * Add a target-dependent attribute to a function
2516  * @see llvm::AttrBuilder::addAttribute()
2517  */
2518 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2519                                         const char *V);
2520 
2521 /**
2522  * @defgroup LLVMCCoreValueFunctionParameters Function Parameters
2523  *
2524  * Functions in this group relate to arguments/parameters on functions.
2525  *
2526  * Functions in this group expect LLVMValueRef instances that correspond
2527  * to llvm::Function instances.
2528  *
2529  * @{
2530  */
2531 
2532 /**
2533  * Obtain the number of parameters in a function.
2534  *
2535  * @see llvm::Function::arg_size()
2536  */
2537 unsigned LLVMCountParams(LLVMValueRef Fn);
2538 
2539 /**
2540  * Obtain the parameters in a function.
2541  *
2542  * The takes a pointer to a pre-allocated array of LLVMValueRef that is
2543  * at least LLVMCountParams() long. This array will be filled with
2544  * LLVMValueRef instances which correspond to the parameters the
2545  * function receives. Each LLVMValueRef corresponds to a llvm::Argument
2546  * instance.
2547  *
2548  * @see llvm::Function::arg_begin()
2549  */
2550 void LLVMGetParams(LLVMValueRef Fn, LLVMValueRef *Params);
2551 
2552 /**
2553  * Obtain the parameter at the specified index.
2554  *
2555  * Parameters are indexed from 0.
2556  *
2557  * @see llvm::Function::arg_begin()
2558  */
2559 LLVMValueRef LLVMGetParam(LLVMValueRef Fn, unsigned Index);
2560 
2561 /**
2562  * Obtain the function to which this argument belongs.
2563  *
2564  * Unlike other functions in this group, this one takes an LLVMValueRef
2565  * that corresponds to a llvm::Attribute.
2566  *
2567  * The returned LLVMValueRef is the llvm::Function to which this
2568  * argument belongs.
2569  */
2570 LLVMValueRef LLVMGetParamParent(LLVMValueRef Inst);
2571 
2572 /**
2573  * Obtain the first parameter to a function.
2574  *
2575  * @see llvm::Function::arg_begin()
2576  */
2577 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn);
2578 
2579 /**
2580  * Obtain the last parameter to a function.
2581  *
2582  * @see llvm::Function::arg_end()
2583  */
2584 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn);
2585 
2586 /**
2587  * Obtain the next parameter to a function.
2588  *
2589  * This takes an LLVMValueRef obtained from LLVMGetFirstParam() (which is
2590  * actually a wrapped iterator) and obtains the next parameter from the
2591  * underlying iterator.
2592  */
2593 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg);
2594 
2595 /**
2596  * Obtain the previous parameter to a function.
2597  *
2598  * This is the opposite of LLVMGetNextParam().
2599  */
2600 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg);
2601 
2602 /**
2603  * Set the alignment for a function parameter.
2604  *
2605  * @see llvm::Argument::addAttr()
2606  * @see llvm::AttrBuilder::addAlignmentAttr()
2607  */
2608 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned Align);
2609 
2610 /**
2611  * @}
2612  */
2613 
2614 /**
2615  * @}
2616  */
2617 
2618 /**
2619  * @}
2620  */
2621 
2622 /**
2623  * @}
2624  */
2625 
2626 /**
2627  * @defgroup LLVMCCoreValueMetadata Metadata
2628  *
2629  * @{
2630  */
2631 
2632 /**
2633  * Obtain a MDString value from a context.
2634  *
2635  * The returned instance corresponds to the llvm::MDString class.
2636  *
2637  * The instance is specified by string data of a specified length. The
2638  * string content is copied, so the backing memory can be freed after
2639  * this function returns.
2640  */
2641 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
2642                                    unsigned SLen);
2643 
2644 /**
2645  * Obtain a MDString value from the global context.
2646  */
2647 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen);
2648 
2649 /**
2650  * Obtain a MDNode value from a context.
2651  *
2652  * The returned value corresponds to the llvm::MDNode class.
2653  */
2654 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
2655                                  unsigned Count);
2656 
2657 /**
2658  * Obtain a MDNode value from the global context.
2659  */
2660 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count);
2661 
2662 /**
2663  * Obtain a Metadata as a Value.
2664  */
2665 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD);
2666 
2667 /**
2668  * Obtain a Value as a Metadata.
2669  */
2670 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val);
2671 
2672 /**
2673  * Obtain the underlying string from a MDString value.
2674  *
2675  * @param V Instance to obtain string from.
2676  * @param Length Memory address which will hold length of returned string.
2677  * @return String data in MDString.
2678  */
2679 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length);
2680 
2681 /**
2682  * Obtain the number of operands from an MDNode value.
2683  *
2684  * @param V MDNode to get number of operands from.
2685  * @return Number of operands of the MDNode.
2686  */
2687 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V);
2688 
2689 /**
2690  * Obtain the given MDNode's operands.
2691  *
2692  * The passed LLVMValueRef pointer should point to enough memory to hold all of
2693  * the operands of the given MDNode (see LLVMGetMDNodeNumOperands) as
2694  * LLVMValueRefs. This memory will be populated with the LLVMValueRefs of the
2695  * MDNode's operands.
2696  *
2697  * @param V MDNode to get the operands from.
2698  * @param Dest Destination array for operands.
2699  */
2700 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest);
2701 
2702 /**
2703  * @}
2704  */
2705 
2706 /**
2707  * @defgroup LLVMCCoreValueBasicBlock Basic Block
2708  *
2709  * A basic block represents a single entry single exit section of code.
2710  * Basic blocks contain a list of instructions which form the body of
2711  * the block.
2712  *
2713  * Basic blocks belong to functions. They have the type of label.
2714  *
2715  * Basic blocks are themselves values. However, the C API models them as
2716  * LLVMBasicBlockRef.
2717  *
2718  * @see llvm::BasicBlock
2719  *
2720  * @{
2721  */
2722 
2723 /**
2724  * Convert a basic block instance to a value type.
2725  */
2726 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB);
2727 
2728 /**
2729  * Determine whether an LLVMValueRef is itself a basic block.
2730  */
2731 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val);
2732 
2733 /**
2734  * Convert an LLVMValueRef to an LLVMBasicBlockRef instance.
2735  */
2736 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val);
2737 
2738 /**
2739  * Obtain the string name of a basic block.
2740  */
2741 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB);
2742 
2743 /**
2744  * Obtain the function to which a basic block belongs.
2745  *
2746  * @see llvm::BasicBlock::getParent()
2747  */
2748 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB);
2749 
2750 /**
2751  * Obtain the terminator instruction for a basic block.
2752  *
2753  * If the basic block does not have a terminator (it is not well-formed
2754  * if it doesn't), then NULL is returned.
2755  *
2756  * The returned LLVMValueRef corresponds to an llvm::Instruction.
2757  *
2758  * @see llvm::BasicBlock::getTerminator()
2759  */
2760 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB);
2761 
2762 /**
2763  * Obtain the number of basic blocks in a function.
2764  *
2765  * @param Fn Function value to operate on.
2766  */
2767 unsigned LLVMCountBasicBlocks(LLVMValueRef Fn);
2768 
2769 /**
2770  * Obtain all of the basic blocks in a function.
2771  *
2772  * This operates on a function value. The BasicBlocks parameter is a
2773  * pointer to a pre-allocated array of LLVMBasicBlockRef of at least
2774  * LLVMCountBasicBlocks() in length. This array is populated with
2775  * LLVMBasicBlockRef instances.
2776  */
2777 void LLVMGetBasicBlocks(LLVMValueRef Fn, LLVMBasicBlockRef *BasicBlocks);
2778 
2779 /**
2780  * Obtain the first basic block in a function.
2781  *
2782  * The returned basic block can be used as an iterator. You will likely
2783  * eventually call into LLVMGetNextBasicBlock() with it.
2784  *
2785  * @see llvm::Function::begin()
2786  */
2787 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn);
2788 
2789 /**
2790  * Obtain the last basic block in a function.
2791  *
2792  * @see llvm::Function::end()
2793  */
2794 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn);
2795 
2796 /**
2797  * Advance a basic block iterator.
2798  */
2799 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB);
2800 
2801 /**
2802  * Go backwards in a basic block iterator.
2803  */
2804 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB);
2805 
2806 /**
2807  * Obtain the basic block that corresponds to the entry point of a
2808  * function.
2809  *
2810  * @see llvm::Function::getEntryBlock()
2811  */
2812 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn);
2813 
2814 /**
2815  * Create a new basic block without inserting it into a function.
2816  *
2817  * @see llvm::BasicBlock::Create()
2818  */
2819 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
2820                                                 const char *Name);
2821 
2822 /**
2823  * Append a basic block to the end of a function.
2824  *
2825  * @see llvm::BasicBlock::Create()
2826  */
2827 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
2828                                                 LLVMValueRef Fn,
2829                                                 const char *Name);
2830 
2831 /**
2832  * Append a basic block to the end of a function using the global
2833  * context.
2834  *
2835  * @see llvm::BasicBlock::Create()
2836  */
2837 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef Fn, const char *Name);
2838 
2839 /**
2840  * Insert a basic block in a function before another basic block.
2841  *
2842  * The function to add to is determined by the function of the
2843  * passed basic block.
2844  *
2845  * @see llvm::BasicBlock::Create()
2846  */
2847 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
2848                                                 LLVMBasicBlockRef BB,
2849                                                 const char *Name);
2850 
2851 /**
2852  * Insert a basic block in a function using the global context.
2853  *
2854  * @see llvm::BasicBlock::Create()
2855  */
2856 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef InsertBeforeBB,
2857                                        const char *Name);
2858 
2859 /**
2860  * Remove a basic block from a function and delete it.
2861  *
2862  * This deletes the basic block from its containing function and deletes
2863  * the basic block itself.
2864  *
2865  * @see llvm::BasicBlock::eraseFromParent()
2866  */
2867 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BB);
2868 
2869 /**
2870  * Remove a basic block from a function.
2871  *
2872  * This deletes the basic block from its containing function but keep
2873  * the basic block alive.
2874  *
2875  * @see llvm::BasicBlock::removeFromParent()
2876  */
2877 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BB);
2878 
2879 /**
2880  * Move a basic block to before another one.
2881  *
2882  * @see llvm::BasicBlock::moveBefore()
2883  */
2884 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
2885 
2886 /**
2887  * Move a basic block to after another one.
2888  *
2889  * @see llvm::BasicBlock::moveAfter()
2890  */
2891 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
2892 
2893 /**
2894  * Obtain the first instruction in a basic block.
2895  *
2896  * The returned LLVMValueRef corresponds to a llvm::Instruction
2897  * instance.
2898  */
2899 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB);
2900 
2901 /**
2902  * Obtain the last instruction in a basic block.
2903  *
2904  * The returned LLVMValueRef corresponds to an LLVM:Instruction.
2905  */
2906 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB);
2907 
2908 /**
2909  * @}
2910  */
2911 
2912 /**
2913  * @defgroup LLVMCCoreValueInstruction Instructions
2914  *
2915  * Functions in this group relate to the inspection and manipulation of
2916  * individual instructions.
2917  *
2918  * In the C++ API, an instruction is modeled by llvm::Instruction. This
2919  * class has a large number of descendents. llvm::Instruction is a
2920  * llvm::Value and in the C API, instructions are modeled by
2921  * LLVMValueRef.
2922  *
2923  * This group also contains sub-groups which operate on specific
2924  * llvm::Instruction types, e.g. llvm::CallInst.
2925  *
2926  * @{
2927  */
2928 
2929 /**
2930  * Determine whether an instruction has any metadata attached.
2931  */
2932 int LLVMHasMetadata(LLVMValueRef Val);
2933 
2934 /**
2935  * Return metadata associated with an instruction value.
2936  */
2937 LLVMValueRef LLVMGetMetadata(LLVMValueRef Val, unsigned KindID);
2938 
2939 /**
2940  * Set metadata associated with an instruction value.
2941  */
2942 void LLVMSetMetadata(LLVMValueRef Val, unsigned KindID, LLVMValueRef Node);
2943 
2944 /**
2945  * Returns the metadata associated with an instruction value, but filters out
2946  * all the debug locations.
2947  *
2948  * @see llvm::Instruction::getAllMetadataOtherThanDebugLoc()
2949  */
2950 LLVMValueMetadataEntry *
2951 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Instr,
2952                                                size_t *NumEntries);
2953 
2954 /**
2955  * Obtain the basic block to which an instruction belongs.
2956  *
2957  * @see llvm::Instruction::getParent()
2958  */
2959 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst);
2960 
2961 /**
2962  * Obtain the instruction that occurs after the one specified.
2963  *
2964  * The next instruction will be from the same basic block.
2965  *
2966  * If this is the last instruction in a basic block, NULL will be
2967  * returned.
2968  */
2969 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst);
2970 
2971 /**
2972  * Obtain the instruction that occurred before this one.
2973  *
2974  * If the instruction is the first instruction in a basic block, NULL
2975  * will be returned.
2976  */
2977 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst);
2978 
2979 /**
2980  * Remove and delete an instruction.
2981  *
2982  * The instruction specified is removed from its containing building
2983  * block but is kept alive.
2984  *
2985  * @see llvm::Instruction::removeFromParent()
2986  */
2987 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst);
2988 
2989 /**
2990  * Remove and delete an instruction.
2991  *
2992  * The instruction specified is removed from its containing building
2993  * block and then deleted.
2994  *
2995  * @see llvm::Instruction::eraseFromParent()
2996  */
2997 void LLVMInstructionEraseFromParent(LLVMValueRef Inst);
2998 
2999 /**
3000  * Obtain the code opcode for an individual instruction.
3001  *
3002  * @see llvm::Instruction::getOpCode()
3003  */
3004 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst);
3005 
3006 /**
3007  * Obtain the predicate of an instruction.
3008  *
3009  * This is only valid for instructions that correspond to llvm::ICmpInst
3010  * or llvm::ConstantExpr whose opcode is llvm::Instruction::ICmp.
3011  *
3012  * @see llvm::ICmpInst::getPredicate()
3013  */
3014 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst);
3015 
3016 /**
3017  * Obtain the float predicate of an instruction.
3018  *
3019  * This is only valid for instructions that correspond to llvm::FCmpInst
3020  * or llvm::ConstantExpr whose opcode is llvm::Instruction::FCmp.
3021  *
3022  * @see llvm::FCmpInst::getPredicate()
3023  */
3024 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst);
3025 
3026 /**
3027  * Create a copy of 'this' instruction that is identical in all ways
3028  * except the following:
3029  *   * The instruction has no parent
3030  *   * The instruction has no name
3031  *
3032  * @see llvm::Instruction::clone()
3033  */
3034 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst);
3035 
3036 /**
3037  * Determine whether an instruction is a terminator. This routine is named to
3038  * be compatible with historical functions that did this by querying the
3039  * underlying C++ type.
3040  *
3041  * @see llvm::Instruction::isTerminator()
3042  */
3043 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst);
3044 
3045 /**
3046  * @defgroup LLVMCCoreValueInstructionCall Call Sites and Invocations
3047  *
3048  * Functions in this group apply to instructions that refer to call
3049  * sites and invocations. These correspond to C++ types in the
3050  * llvm::CallInst class tree.
3051  *
3052  * @{
3053  */
3054 
3055 /**
3056  * Obtain the argument count for a call instruction.
3057  *
3058  * This expects an LLVMValueRef that corresponds to a llvm::CallInst,
3059  * llvm::InvokeInst, or llvm:FuncletPadInst.
3060  *
3061  * @see llvm::CallInst::getNumArgOperands()
3062  * @see llvm::InvokeInst::getNumArgOperands()
3063  * @see llvm::FuncletPadInst::getNumArgOperands()
3064  */
3065 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr);
3066 
3067 /**
3068  * Set the calling convention for a call instruction.
3069  *
3070  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3071  * llvm::InvokeInst.
3072  *
3073  * @see llvm::CallInst::setCallingConv()
3074  * @see llvm::InvokeInst::setCallingConv()
3075  */
3076 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC);
3077 
3078 /**
3079  * Obtain the calling convention for a call instruction.
3080  *
3081  * This is the opposite of LLVMSetInstructionCallConv(). Reads its
3082  * usage.
3083  *
3084  * @see LLVMSetInstructionCallConv()
3085  */
3086 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr);
3087 
3088 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, unsigned index,
3089                                 unsigned Align);
3090 
3091 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3092                               LLVMAttributeRef A);
3093 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C, LLVMAttributeIndex Idx);
3094 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
3095                                LLVMAttributeRef *Attrs);
3096 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
3097                                               LLVMAttributeIndex Idx,
3098                                               unsigned KindID);
3099 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
3100                                                 LLVMAttributeIndex Idx,
3101                                                 const char *K, unsigned KLen);
3102 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3103                                      unsigned KindID);
3104 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3105                                        const char *K, unsigned KLen);
3106 
3107 /**
3108  * Obtain the function type called by this instruction.
3109  *
3110  * @see llvm::CallBase::getFunctionType()
3111  */
3112 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef C);
3113 
3114 /**
3115  * Obtain the pointer to the function invoked by this instruction.
3116  *
3117  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3118  * llvm::InvokeInst.
3119  *
3120  * @see llvm::CallInst::getCalledValue()
3121  * @see llvm::InvokeInst::getCalledValue()
3122  */
3123 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr);
3124 
3125 /**
3126  * Obtain whether a call instruction is a tail call.
3127  *
3128  * This only works on llvm::CallInst instructions.
3129  *
3130  * @see llvm::CallInst::isTailCall()
3131  */
3132 LLVMBool LLVMIsTailCall(LLVMValueRef CallInst);
3133 
3134 /**
3135  * Set whether a call instruction is a tail call.
3136  *
3137  * This only works on llvm::CallInst instructions.
3138  *
3139  * @see llvm::CallInst::setTailCall()
3140  */
3141 void LLVMSetTailCall(LLVMValueRef CallInst, LLVMBool IsTailCall);
3142 
3143 /**
3144  * Return the normal destination basic block.
3145  *
3146  * This only works on llvm::InvokeInst instructions.
3147  *
3148  * @see llvm::InvokeInst::getNormalDest()
3149  */
3150 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef InvokeInst);
3151 
3152 /**
3153  * Return the unwind destination basic block.
3154  *
3155  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3156  * llvm::CatchSwitchInst instructions.
3157  *
3158  * @see llvm::InvokeInst::getUnwindDest()
3159  * @see llvm::CleanupReturnInst::getUnwindDest()
3160  * @see llvm::CatchSwitchInst::getUnwindDest()
3161  */
3162 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef InvokeInst);
3163 
3164 /**
3165  * Set the normal destination basic block.
3166  *
3167  * This only works on llvm::InvokeInst instructions.
3168  *
3169  * @see llvm::InvokeInst::setNormalDest()
3170  */
3171 void LLVMSetNormalDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3172 
3173 /**
3174  * Set the unwind destination basic block.
3175  *
3176  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3177  * llvm::CatchSwitchInst instructions.
3178  *
3179  * @see llvm::InvokeInst::setUnwindDest()
3180  * @see llvm::CleanupReturnInst::setUnwindDest()
3181  * @see llvm::CatchSwitchInst::setUnwindDest()
3182  */
3183 void LLVMSetUnwindDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3184 
3185 /**
3186  * @}
3187  */
3188 
3189 /**
3190  * @defgroup LLVMCCoreValueInstructionTerminator Terminators
3191  *
3192  * Functions in this group only apply to instructions for which
3193  * LLVMIsATerminatorInst returns true.
3194  *
3195  * @{
3196  */
3197 
3198 /**
3199  * Return the number of successors that this terminator has.
3200  *
3201  * @see llvm::Instruction::getNumSuccessors
3202  */
3203 unsigned LLVMGetNumSuccessors(LLVMValueRef Term);
3204 
3205 /**
3206  * Return the specified successor.
3207  *
3208  * @see llvm::Instruction::getSuccessor
3209  */
3210 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i);
3211 
3212 /**
3213  * Update the specified successor to point at the provided block.
3214  *
3215  * @see llvm::Instruction::setSuccessor
3216  */
3217 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block);
3218 
3219 /**
3220  * Return if a branch is conditional.
3221  *
3222  * This only works on llvm::BranchInst instructions.
3223  *
3224  * @see llvm::BranchInst::isConditional
3225  */
3226 LLVMBool LLVMIsConditional(LLVMValueRef Branch);
3227 
3228 /**
3229  * Return the condition of a branch instruction.
3230  *
3231  * This only works on llvm::BranchInst instructions.
3232  *
3233  * @see llvm::BranchInst::getCondition
3234  */
3235 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch);
3236 
3237 /**
3238  * Set the condition of a branch instruction.
3239  *
3240  * This only works on llvm::BranchInst instructions.
3241  *
3242  * @see llvm::BranchInst::setCondition
3243  */
3244 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond);
3245 
3246 /**
3247  * Obtain the default destination basic block of a switch instruction.
3248  *
3249  * This only works on llvm::SwitchInst instructions.
3250  *
3251  * @see llvm::SwitchInst::getDefaultDest()
3252  */
3253 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef SwitchInstr);
3254 
3255 /**
3256  * @}
3257  */
3258 
3259 /**
3260  * @defgroup LLVMCCoreValueInstructionAlloca Allocas
3261  *
3262  * Functions in this group only apply to instructions that map to
3263  * llvm::AllocaInst instances.
3264  *
3265  * @{
3266  */
3267 
3268 /**
3269  * Obtain the type that is being allocated by the alloca instruction.
3270  */
3271 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca);
3272 
3273 /**
3274  * @}
3275  */
3276 
3277 /**
3278  * @defgroup LLVMCCoreValueInstructionGetElementPointer GEPs
3279  *
3280  * Functions in this group only apply to instructions that map to
3281  * llvm::GetElementPtrInst instances.
3282  *
3283  * @{
3284  */
3285 
3286 /**
3287  * Check whether the given GEP instruction is inbounds.
3288  */
3289 LLVMBool LLVMIsInBounds(LLVMValueRef GEP);
3290 
3291 /**
3292  * Set the given GEP instruction to be inbounds or not.
3293  */
3294 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds);
3295 
3296 /**
3297  * @}
3298  */
3299 
3300 /**
3301  * @defgroup LLVMCCoreValueInstructionPHINode PHI Nodes
3302  *
3303  * Functions in this group only apply to instructions that map to
3304  * llvm::PHINode instances.
3305  *
3306  * @{
3307  */
3308 
3309 /**
3310  * Add an incoming value to the end of a PHI list.
3311  */
3312 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3313                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count);
3314 
3315 /**
3316  * Obtain the number of incoming basic blocks to a PHI node.
3317  */
3318 unsigned LLVMCountIncoming(LLVMValueRef PhiNode);
3319 
3320 /**
3321  * Obtain an incoming value to a PHI node as an LLVMValueRef.
3322  */
3323 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index);
3324 
3325 /**
3326  * Obtain an incoming value to a PHI node as an LLVMBasicBlockRef.
3327  */
3328 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index);
3329 
3330 /**
3331  * @}
3332  */
3333 
3334 /**
3335  * @defgroup LLVMCCoreValueInstructionExtractValue ExtractValue
3336  * @defgroup LLVMCCoreValueInstructionInsertValue InsertValue
3337  *
3338  * Functions in this group only apply to instructions that map to
3339  * llvm::ExtractValue and llvm::InsertValue instances.
3340  *
3341  * @{
3342  */
3343 
3344 /**
3345  * Obtain the number of indices.
3346  * NB: This also works on GEP.
3347  */
3348 unsigned LLVMGetNumIndices(LLVMValueRef Inst);
3349 
3350 /**
3351  * Obtain the indices as an array.
3352  */
3353 const unsigned *LLVMGetIndices(LLVMValueRef Inst);
3354 
3355 /**
3356  * @}
3357  */
3358 
3359 /**
3360  * @}
3361  */
3362 
3363 /**
3364  * @}
3365  */
3366 
3367 /**
3368  * @defgroup LLVMCCoreInstructionBuilder Instruction Builders
3369  *
3370  * An instruction builder represents a point within a basic block and is
3371  * the exclusive means of building instructions using the C interface.
3372  *
3373  * @{
3374  */
3375 
3376 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C);
3377 LLVMBuilderRef LLVMCreateBuilder(void);
3378 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3379                          LLVMValueRef Instr);
3380 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr);
3381 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block);
3382 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder);
3383 void LLVMClearInsertionPosition(LLVMBuilderRef Builder);
3384 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr);
3385 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3386                                    const char *Name);
3387 void LLVMDisposeBuilder(LLVMBuilderRef Builder);
3388 
3389 /* Metadata */
3390 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L);
3391 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder);
3392 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst);
3393 
3394 /* Terminators */
3395 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef);
3396 LLVMValueRef LLVMBuildRet(LLVMBuilderRef, LLVMValueRef V);
3397 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef, LLVMValueRef *RetVals,
3398                                    unsigned N);
3399 LLVMValueRef LLVMBuildBr(LLVMBuilderRef, LLVMBasicBlockRef Dest);
3400 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef, LLVMValueRef If,
3401                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else);
3402 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef, LLVMValueRef V,
3403                              LLVMBasicBlockRef Else, unsigned NumCases);
3404 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3405                                  unsigned NumDests);
3406 // LLVMBuildInvoke is deprecated in favor of LLVMBuildInvoke2, in preparation
3407 // for opaque pointer types.
3408 LLVMValueRef LLVMBuildInvoke(LLVMBuilderRef, LLVMValueRef Fn,
3409                              LLVMValueRef *Args, unsigned NumArgs,
3410                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3411                              const char *Name);
3412 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef, LLVMTypeRef Ty, LLVMValueRef Fn,
3413                               LLVMValueRef *Args, unsigned NumArgs,
3414                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3415                               const char *Name);
3416 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef);
3417 
3418 /* Exception Handling */
3419 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn);
3420 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3421                                  LLVMValueRef PersFn, unsigned NumClauses,
3422                                  const char *Name);
3423 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3424                                  LLVMBasicBlockRef BB);
3425 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3426                                LLVMBasicBlockRef BB);
3427 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3428                                LLVMValueRef *Args, unsigned NumArgs,
3429                                const char *Name);
3430 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3431                                  LLVMValueRef *Args, unsigned NumArgs,
3432                                  const char *Name);
3433 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3434                                   LLVMBasicBlockRef UnwindBB,
3435                                   unsigned NumHandlers, const char *Name);
3436 
3437 /* Add a case to the switch instruction */
3438 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3439                  LLVMBasicBlockRef Dest);
3440 
3441 /* Add a destination to the indirectbr instruction */
3442 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest);
3443 
3444 /* Get the number of clauses on the landingpad instruction */
3445 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad);
3446 
3447 /* Get the value of the clause at idnex Idx on the landingpad instruction */
3448 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx);
3449 
3450 /* Add a catch or filter clause to the landingpad instruction */
3451 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal);
3452 
3453 /* Get the 'cleanup' flag in the landingpad instruction */
3454 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad);
3455 
3456 /* Set the 'cleanup' flag in the landingpad instruction */
3457 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val);
3458 
3459 /* Add a destination to the catchswitch instruction */
3460 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest);
3461 
3462 /* Get the number of handlers on the catchswitch instruction */
3463 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch);
3464 
3465 /**
3466  * Obtain the basic blocks acting as handlers for a catchswitch instruction.
3467  *
3468  * The Handlers parameter should point to a pre-allocated array of
3469  * LLVMBasicBlockRefs at least LLVMGetNumHandlers() large. On return, the
3470  * first LLVMGetNumHandlers() entries in the array will be populated
3471  * with LLVMBasicBlockRef instances.
3472  *
3473  * @param CatchSwitch The catchswitch instruction to operate on.
3474  * @param Handlers Memory address of an array to be filled with basic blocks.
3475  */
3476 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers);
3477 
3478 /* Funclets */
3479 
3480 /* Get the number of funcletpad arguments. */
3481 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i);
3482 
3483 /* Set a funcletpad argument at the given index. */
3484 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value);
3485 
3486 /**
3487  * Get the parent catchswitch instruction of a catchpad instruction.
3488  *
3489  * This only works on llvm::CatchPadInst instructions.
3490  *
3491  * @see llvm::CatchPadInst::getCatchSwitch()
3492  */
3493 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad);
3494 
3495 /**
3496  * Set the parent catchswitch instruction of a catchpad instruction.
3497  *
3498  * This only works on llvm::CatchPadInst instructions.
3499  *
3500  * @see llvm::CatchPadInst::setCatchSwitch()
3501  */
3502 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch);
3503 
3504 /* Arithmetic */
3505 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3506                           const char *Name);
3507 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3508                              const char *Name);
3509 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3510                              const char *Name);
3511 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3512                            const char *Name);
3513 LLVMValueRef LLVMBuildSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3514                           const char *Name);
3515 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3516                              const char *Name);
3517 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3518                              const char *Name);
3519 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3520                            const char *Name);
3521 LLVMValueRef LLVMBuildMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3522                           const char *Name);
3523 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3524                              const char *Name);
3525 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3526                              const char *Name);
3527 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3528                            const char *Name);
3529 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3530                            const char *Name);
3531 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3532                                 const char *Name);
3533 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3534                            const char *Name);
3535 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3536                                 const char *Name);
3537 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3538                            const char *Name);
3539 LLVMValueRef LLVMBuildURem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3540                            const char *Name);
3541 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3542                            const char *Name);
3543 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3544                            const char *Name);
3545 LLVMValueRef LLVMBuildShl(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3546                            const char *Name);
3547 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3548                            const char *Name);
3549 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3550                            const char *Name);
3551 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3552                           const char *Name);
3553 LLVMValueRef LLVMBuildOr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3554                           const char *Name);
3555 LLVMValueRef LLVMBuildXor(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3556                           const char *Name);
3557 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
3558                             LLVMValueRef LHS, LLVMValueRef RHS,
3559                             const char *Name);
3560 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3561 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
3562                              const char *Name);
3563 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
3564                              const char *Name);
3565 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3566 LLVMValueRef LLVMBuildNot(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3567 
3568 /* Memory */
3569 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3570 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef, LLVMTypeRef Ty,
3571                                   LLVMValueRef Val, const char *Name);
3572 
3573 /**
3574  * Creates and inserts a memset to the specified pointer and the
3575  * specified value.
3576  *
3577  * @see llvm::IRRBuilder::CreateMemSet()
3578  */
3579 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
3580                              LLVMValueRef Val, LLVMValueRef Len,
3581                              unsigned Align);
3582 /**
3583  * Creates and inserts a memcpy between the specified pointers.
3584  *
3585  * @see llvm::IRRBuilder::CreateMemCpy()
3586  */
3587 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
3588                              LLVMValueRef Dst, unsigned DstAlign,
3589                              LLVMValueRef Src, unsigned SrcAlign,
3590                              LLVMValueRef Size);
3591 /**
3592  * Creates and inserts a memmove between the specified pointers.
3593  *
3594  * @see llvm::IRRBuilder::CreateMemMove()
3595  */
3596 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
3597                               LLVMValueRef Dst, unsigned DstAlign,
3598                               LLVMValueRef Src, unsigned SrcAlign,
3599                               LLVMValueRef Size);
3600 
3601 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3602 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef, LLVMTypeRef Ty,
3603                                   LLVMValueRef Val, const char *Name);
3604 LLVMValueRef LLVMBuildFree(LLVMBuilderRef, LLVMValueRef PointerVal);
3605 // LLVMBuildLoad is deprecated in favor of LLVMBuildLoad2, in preparation for
3606 // opaque pointer types.
3607 LLVMValueRef LLVMBuildLoad(LLVMBuilderRef, LLVMValueRef PointerVal,
3608                            const char *Name);
3609 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef, LLVMTypeRef Ty,
3610                             LLVMValueRef PointerVal, const char *Name);
3611 LLVMValueRef LLVMBuildStore(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef Ptr);
3612 // LLVMBuildGEP, LLVMBuildInBoundsGEP, and LLVMBuildStructGEP are deprecated in
3613 // favor of LLVMBuild*GEP2, in preparation for opaque pointer types.
3614 LLVMValueRef LLVMBuildGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3615                           LLVMValueRef *Indices, unsigned NumIndices,
3616                           const char *Name);
3617 LLVMValueRef LLVMBuildInBoundsGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3618                                   LLVMValueRef *Indices, unsigned NumIndices,
3619                                   const char *Name);
3620 LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3621                                 unsigned Idx, const char *Name);
3622 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3623                            LLVMValueRef Pointer, LLVMValueRef *Indices,
3624                            unsigned NumIndices, const char *Name);
3625 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3626                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
3627                                    unsigned NumIndices, const char *Name);
3628 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3629                                  LLVMValueRef Pointer, unsigned Idx,
3630                                  const char *Name);
3631 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
3632                                    const char *Name);
3633 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
3634                                       const char *Name);
3635 LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
3636 void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
3637 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemoryAccessInst);
3638 void LLVMSetOrdering(LLVMValueRef MemoryAccessInst, LLVMAtomicOrdering Ordering);
3639 
3640 /* Casts */
3641 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,
3642                             LLVMTypeRef DestTy, const char *Name);
3643 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef, LLVMValueRef Val,
3644                            LLVMTypeRef DestTy, const char *Name);
3645 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef, LLVMValueRef Val,
3646                            LLVMTypeRef DestTy, const char *Name);
3647 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef, LLVMValueRef Val,
3648                              LLVMTypeRef DestTy, const char *Name);
3649 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef, LLVMValueRef Val,
3650                              LLVMTypeRef DestTy, const char *Name);
3651 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef, LLVMValueRef Val,
3652                              LLVMTypeRef DestTy, const char *Name);
3653 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef, LLVMValueRef Val,
3654                              LLVMTypeRef DestTy, const char *Name);
3655 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef, LLVMValueRef Val,
3656                               LLVMTypeRef DestTy, const char *Name);
3657 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef, LLVMValueRef Val,
3658                             LLVMTypeRef DestTy, const char *Name);
3659 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef, LLVMValueRef Val,
3660                                LLVMTypeRef DestTy, const char *Name);
3661 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef, LLVMValueRef Val,
3662                                LLVMTypeRef DestTy, const char *Name);
3663 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef, LLVMValueRef Val,
3664                               LLVMTypeRef DestTy, const char *Name);
3665 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef, LLVMValueRef Val,
3666                                     LLVMTypeRef DestTy, const char *Name);
3667 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3668                                     LLVMTypeRef DestTy, const char *Name);
3669 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3670                                     LLVMTypeRef DestTy, const char *Name);
3671 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3672                                      LLVMTypeRef DestTy, const char *Name);
3673 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
3674                            LLVMTypeRef DestTy, const char *Name);
3675 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
3676                                   LLVMTypeRef DestTy, const char *Name);
3677 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef, LLVMValueRef Val,
3678                                LLVMTypeRef DestTy, LLVMBool IsSigned,
3679                                const char *Name);
3680 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
3681                              LLVMTypeRef DestTy, const char *Name);
3682 
3683 /** Deprecated: This cast is always signed. Use LLVMBuildIntCast2 instead. */
3684 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
3685                               LLVMTypeRef DestTy, const char *Name);
3686 
3687 /* Comparisons */
3688 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
3689                            LLVMValueRef LHS, LLVMValueRef RHS,
3690                            const char *Name);
3691 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef, LLVMRealPredicate Op,
3692                            LLVMValueRef LHS, LLVMValueRef RHS,
3693                            const char *Name);
3694 
3695 /* Miscellaneous instructions */
3696 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3697 // LLVMBuildCall is deprecated in favor of LLVMBuildCall2, in preparation for
3698 // opaque pointer types.
3699 LLVMValueRef LLVMBuildCall(LLVMBuilderRef, LLVMValueRef Fn,
3700                            LLVMValueRef *Args, unsigned NumArgs,
3701                            const char *Name);
3702 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef, LLVMTypeRef, LLVMValueRef Fn,
3703                             LLVMValueRef *Args, unsigned NumArgs,
3704                             const char *Name);
3705 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef, LLVMValueRef If,
3706                              LLVMValueRef Then, LLVMValueRef Else,
3707                              const char *Name);
3708 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef, LLVMValueRef List, LLVMTypeRef Ty,
3709                             const char *Name);
3710 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef, LLVMValueRef VecVal,
3711                                      LLVMValueRef Index, const char *Name);
3712 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef, LLVMValueRef VecVal,
3713                                     LLVMValueRef EltVal, LLVMValueRef Index,
3714                                     const char *Name);
3715 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef, LLVMValueRef V1,
3716                                     LLVMValueRef V2, LLVMValueRef Mask,
3717                                     const char *Name);
3718 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef, LLVMValueRef AggVal,
3719                                    unsigned Index, const char *Name);
3720 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef, LLVMValueRef AggVal,
3721                                   LLVMValueRef EltVal, unsigned Index,
3722                                   const char *Name);
3723 
3724 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef, LLVMValueRef Val,
3725                              const char *Name);
3726 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef, LLVMValueRef Val,
3727                                 const char *Name);
3728 LLVMValueRef LLVMBuildPtrDiff(LLVMBuilderRef, LLVMValueRef LHS,
3729                               LLVMValueRef RHS, const char *Name);
3730 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering ordering,
3731                             LLVMBool singleThread, const char *Name);
3732 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B, LLVMAtomicRMWBinOp op,
3733                                 LLVMValueRef PTR, LLVMValueRef Val,
3734                                 LLVMAtomicOrdering ordering,
3735                                 LLVMBool singleThread);
3736 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
3737                                     LLVMValueRef Cmp, LLVMValueRef New,
3738                                     LLVMAtomicOrdering SuccessOrdering,
3739                                     LLVMAtomicOrdering FailureOrdering,
3740                                     LLVMBool SingleThread);
3741 
3742 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst);
3743 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread);
3744 
3745 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst);
3746 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
3747                                    LLVMAtomicOrdering Ordering);
3748 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst);
3749 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
3750                                    LLVMAtomicOrdering Ordering);
3751 
3752 /**
3753  * @}
3754  */
3755 
3756 /**
3757  * @defgroup LLVMCCoreModuleProvider Module Providers
3758  *
3759  * @{
3760  */
3761 
3762 /**
3763  * Changes the type of M so it can be passed to FunctionPassManagers and the
3764  * JIT.  They take ModuleProviders for historical reasons.
3765  */
3766 LLVMModuleProviderRef
3767 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M);
3768 
3769 /**
3770  * Destroys the module M.
3771  */
3772 void LLVMDisposeModuleProvider(LLVMModuleProviderRef M);
3773 
3774 /**
3775  * @}
3776  */
3777 
3778 /**
3779  * @defgroup LLVMCCoreMemoryBuffers Memory Buffers
3780  *
3781  * @{
3782  */
3783 
3784 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(const char *Path,
3785                                                   LLVMMemoryBufferRef *OutMemBuf,
3786                                                   char **OutMessage);
3787 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
3788                                          char **OutMessage);
3789 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
3790                                                           size_t InputDataLength,
3791                                                           const char *BufferName,
3792                                                           LLVMBool RequiresNullTerminator);
3793 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
3794                                                               size_t InputDataLength,
3795                                                               const char *BufferName);
3796 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
3797 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf);
3798 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
3799 
3800 /**
3801  * @}
3802  */
3803 
3804 /**
3805  * @defgroup LLVMCCorePassRegistry Pass Registry
3806  *
3807  * @{
3808  */
3809 
3810 /** Return the global pass registry, for use with initialization functions.
3811     @see llvm::PassRegistry::getPassRegistry */
3812 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void);
3813 
3814 /**
3815  * @}
3816  */
3817 
3818 /**
3819  * @defgroup LLVMCCorePassManagers Pass Managers
3820  *
3821  * @{
3822  */
3823 
3824 /** Constructs a new whole-module pass pipeline. This type of pipeline is
3825     suitable for link-time optimization and whole-module transformations.
3826     @see llvm::PassManager::PassManager */
3827 LLVMPassManagerRef LLVMCreatePassManager(void);
3828 
3829 /** Constructs a new function-by-function pass pipeline over the module
3830     provider. It does not take ownership of the module provider. This type of
3831     pipeline is suitable for code generation and JIT compilation tasks.
3832     @see llvm::FunctionPassManager::FunctionPassManager */
3833 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M);
3834 
3835 /** Deprecated: Use LLVMCreateFunctionPassManagerForModule instead. */
3836 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef MP);
3837 
3838 /** Initializes, executes on the provided module, and finalizes all of the
3839     passes scheduled in the pass manager. Returns 1 if any of the passes
3840     modified the module, 0 otherwise.
3841     @see llvm::PassManager::run(Module&) */
3842 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M);
3843 
3844 /** Initializes all of the function passes scheduled in the function pass
3845     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
3846     @see llvm::FunctionPassManager::doInitialization */
3847 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM);
3848 
3849 /** Executes all of the function passes scheduled in the function pass manager
3850     on the provided function. Returns 1 if any of the passes modified the
3851     function, false otherwise.
3852     @see llvm::FunctionPassManager::run(Function&) */
3853 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F);
3854 
3855 /** Finalizes all of the function passes scheduled in the function pass
3856     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
3857     @see llvm::FunctionPassManager::doFinalization */
3858 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM);
3859 
3860 /** Frees the memory of a pass pipeline. For function pipelines, does not free
3861     the module provider.
3862     @see llvm::PassManagerBase::~PassManagerBase. */
3863 void LLVMDisposePassManager(LLVMPassManagerRef PM);
3864 
3865 /**
3866  * @}
3867  */
3868 
3869 /**
3870  * @defgroup LLVMCCoreThreading Threading
3871  *
3872  * Handle the structures needed to make LLVM safe for multithreading.
3873  *
3874  * @{
3875  */
3876 
3877 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
3878     time define LLVM_ENABLE_THREADS.  This function always returns
3879     LLVMIsMultithreaded(). */
3880 LLVMBool LLVMStartMultithreaded(void);
3881 
3882 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
3883     time define LLVM_ENABLE_THREADS. */
3884 void LLVMStopMultithreaded(void);
3885 
3886 /** Check whether LLVM is executing in thread-safe mode or not.
3887     @see llvm::llvm_is_multithreaded */
3888 LLVMBool LLVMIsMultithreaded(void);
3889 
3890 /**
3891  * @}
3892  */
3893 
3894 /**
3895  * @}
3896  */
3897 
3898 /**
3899  * @}
3900  */
3901 
3902 #ifdef __cplusplus
3903 }
3904 #endif
3905 
3906 #endif /* LLVM_C_CORE_H */
3907