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1 /*===-- llvm-c/Core.h - Core Library C Interface ------------------*- C -*-===*\
2 |*                                                                            *|
3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
4 |* Exceptions.                                                                *|
5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
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/ExternC.h"
20 #include "llvm-c/Types.h"
21 
22 LLVM_C_EXTERN_C_BEGIN
23 
24 /**
25  * @defgroup LLVMC LLVM-C: C interface to LLVM
26  *
27  * This module exposes parts of the LLVM library as a C API.
28  *
29  * @{
30  */
31 
32 /**
33  * @defgroup LLVMCTransforms Transforms
34  */
35 
36 /**
37  * @defgroup LLVMCCore Core
38  *
39  * This modules provide an interface to libLLVMCore, which implements
40  * the LLVM intermediate representation as well as other related types
41  * and utilities.
42  *
43  * Many exotic languages can interoperate with C code but have a harder time
44  * with C++ due to name mangling. So in addition to C, this interface enables
45  * tools written in such languages.
46  *
47  * @{
48  */
49 
50 /**
51  * @defgroup LLVMCCoreTypes Types and Enumerations
52  *
53  * @{
54  */
55 
56 /// External users depend on the following values being stable. It is not safe
57 /// to reorder them.
58 typedef enum {
59   /* Terminator Instructions */
60   LLVMRet            = 1,
61   LLVMBr             = 2,
62   LLVMSwitch         = 3,
63   LLVMIndirectBr     = 4,
64   LLVMInvoke         = 5,
65   /* removed 6 due to API changes */
66   LLVMUnreachable    = 7,
67   LLVMCallBr         = 67,
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   LLVMFreeze         = 68,
130 
131   /* Atomic operators */
132   LLVMFence          = 55,
133   LLVMAtomicCmpXchg  = 56,
134   LLVMAtomicRMW      = 57,
135 
136   /* Exception Handling Operators */
137   LLVMResume         = 58,
138   LLVMLandingPad     = 59,
139   LLVMCleanupRet     = 61,
140   LLVMCatchRet       = 62,
141   LLVMCatchPad       = 63,
142   LLVMCleanupPad     = 64,
143   LLVMCatchSwitch    = 65
144 } LLVMOpcode;
145 
146 typedef enum {
147   LLVMVoidTypeKind,        /**< type with no size */
148   LLVMHalfTypeKind,        /**< 16 bit floating point type */
149   LLVMFloatTypeKind,       /**< 32 bit floating point type */
150   LLVMDoubleTypeKind,      /**< 64 bit floating point type */
151   LLVMX86_FP80TypeKind,    /**< 80 bit floating point type (X87) */
152   LLVMFP128TypeKind,       /**< 128 bit floating point type (112-bit mantissa)*/
153   LLVMPPC_FP128TypeKind,   /**< 128 bit floating point type (two 64-bits) */
154   LLVMLabelTypeKind,       /**< Labels */
155   LLVMIntegerTypeKind,     /**< Arbitrary bit width integers */
156   LLVMFunctionTypeKind,    /**< Functions */
157   LLVMStructTypeKind,      /**< Structures */
158   LLVMArrayTypeKind,       /**< Arrays */
159   LLVMPointerTypeKind,     /**< Pointers */
160   LLVMVectorTypeKind,      /**< SIMD 'packed' format, or other vector type */
161   LLVMMetadataTypeKind,    /**< Metadata */
162   LLVMX86_MMXTypeKind,     /**< X86 MMX */
163   LLVMTokenTypeKind        /**< Tokens */
164 } LLVMTypeKind;
165 
166 typedef enum {
167   LLVMExternalLinkage,    /**< Externally visible function */
168   LLVMAvailableExternallyLinkage,
169   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
170   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something
171                             equivalent. */
172   LLVMLinkOnceODRAutoHideLinkage, /**< Obsolete */
173   LLVMWeakAnyLinkage,     /**< Keep one copy of function when linking (weak) */
174   LLVMWeakODRLinkage,     /**< Same, but only replaced by something
175                             equivalent. */
176   LLVMAppendingLinkage,   /**< Special purpose, only applies to global arrays */
177   LLVMInternalLinkage,    /**< Rename collisions when linking (static
178                                functions) */
179   LLVMPrivateLinkage,     /**< Like Internal, but omit from symbol table */
180   LLVMDLLImportLinkage,   /**< Obsolete */
181   LLVMDLLExportLinkage,   /**< Obsolete */
182   LLVMExternalWeakLinkage,/**< ExternalWeak linkage description */
183   LLVMGhostLinkage,       /**< Obsolete */
184   LLVMCommonLinkage,      /**< Tentative definitions */
185   LLVMLinkerPrivateLinkage, /**< Like Private, but linker removes. */
186   LLVMLinkerPrivateWeakLinkage /**< Like LinkerPrivate, but is weak. */
187 } LLVMLinkage;
188 
189 typedef enum {
190   LLVMDefaultVisibility,  /**< The GV is visible */
191   LLVMHiddenVisibility,   /**< The GV is hidden */
192   LLVMProtectedVisibility /**< The GV is protected */
193 } LLVMVisibility;
194 
195 typedef enum {
196   LLVMNoUnnamedAddr,    /**< Address of the GV is significant. */
197   LLVMLocalUnnamedAddr, /**< Address of the GV is locally insignificant. */
198   LLVMGlobalUnnamedAddr /**< Address of the GV is globally insignificant. */
199 } LLVMUnnamedAddr;
200 
201 typedef enum {
202   LLVMDefaultStorageClass   = 0,
203   LLVMDLLImportStorageClass = 1, /**< Function to be imported from DLL. */
204   LLVMDLLExportStorageClass = 2  /**< Function to be accessible from DLL. */
205 } LLVMDLLStorageClass;
206 
207 typedef enum {
208   LLVMCCallConv             = 0,
209   LLVMFastCallConv          = 8,
210   LLVMColdCallConv          = 9,
211   LLVMGHCCallConv           = 10,
212   LLVMHiPECallConv          = 11,
213   LLVMWebKitJSCallConv      = 12,
214   LLVMAnyRegCallConv        = 13,
215   LLVMPreserveMostCallConv  = 14,
216   LLVMPreserveAllCallConv   = 15,
217   LLVMSwiftCallConv         = 16,
218   LLVMCXXFASTTLSCallConv    = 17,
219   LLVMX86StdcallCallConv    = 64,
220   LLVMX86FastcallCallConv   = 65,
221   LLVMARMAPCSCallConv       = 66,
222   LLVMARMAAPCSCallConv      = 67,
223   LLVMARMAAPCSVFPCallConv   = 68,
224   LLVMMSP430INTRCallConv    = 69,
225   LLVMX86ThisCallCallConv   = 70,
226   LLVMPTXKernelCallConv     = 71,
227   LLVMPTXDeviceCallConv     = 72,
228   LLVMSPIRFUNCCallConv      = 75,
229   LLVMSPIRKERNELCallConv    = 76,
230   LLVMIntelOCLBICallConv    = 77,
231   LLVMX8664SysVCallConv     = 78,
232   LLVMWin64CallConv         = 79,
233   LLVMX86VectorCallCallConv = 80,
234   LLVMHHVMCallConv          = 81,
235   LLVMHHVMCCallConv         = 82,
236   LLVMX86INTRCallConv       = 83,
237   LLVMAVRINTRCallConv       = 84,
238   LLVMAVRSIGNALCallConv     = 85,
239   LLVMAVRBUILTINCallConv    = 86,
240   LLVMAMDGPUVSCallConv      = 87,
241   LLVMAMDGPUGSCallConv      = 88,
242   LLVMAMDGPUPSCallConv      = 89,
243   LLVMAMDGPUCSCallConv      = 90,
244   LLVMAMDGPUKERNELCallConv  = 91,
245   LLVMX86RegCallCallConv    = 92,
246   LLVMAMDGPUHSCallConv      = 93,
247   LLVMMSP430BUILTINCallConv = 94,
248   LLVMAMDGPULSCallConv      = 95,
249   LLVMAMDGPUESCallConv      = 96
250 } LLVMCallConv;
251 
252 typedef enum {
253   LLVMArgumentValueKind,
254   LLVMBasicBlockValueKind,
255   LLVMMemoryUseValueKind,
256   LLVMMemoryDefValueKind,
257   LLVMMemoryPhiValueKind,
258 
259   LLVMFunctionValueKind,
260   LLVMGlobalAliasValueKind,
261   LLVMGlobalIFuncValueKind,
262   LLVMGlobalVariableValueKind,
263   LLVMBlockAddressValueKind,
264   LLVMConstantExprValueKind,
265   LLVMConstantArrayValueKind,
266   LLVMConstantStructValueKind,
267   LLVMConstantVectorValueKind,
268 
269   LLVMUndefValueValueKind,
270   LLVMConstantAggregateZeroValueKind,
271   LLVMConstantDataArrayValueKind,
272   LLVMConstantDataVectorValueKind,
273   LLVMConstantIntValueKind,
274   LLVMConstantFPValueKind,
275   LLVMConstantPointerNullValueKind,
276   LLVMConstantTokenNoneValueKind,
277 
278   LLVMMetadataAsValueValueKind,
279   LLVMInlineAsmValueKind,
280 
281   LLVMInstructionValueKind,
282 } LLVMValueKind;
283 
284 typedef enum {
285   LLVMIntEQ = 32, /**< equal */
286   LLVMIntNE,      /**< not equal */
287   LLVMIntUGT,     /**< unsigned greater than */
288   LLVMIntUGE,     /**< unsigned greater or equal */
289   LLVMIntULT,     /**< unsigned less than */
290   LLVMIntULE,     /**< unsigned less or equal */
291   LLVMIntSGT,     /**< signed greater than */
292   LLVMIntSGE,     /**< signed greater or equal */
293   LLVMIntSLT,     /**< signed less than */
294   LLVMIntSLE      /**< signed less or equal */
295 } LLVMIntPredicate;
296 
297 typedef enum {
298   LLVMRealPredicateFalse, /**< Always false (always folded) */
299   LLVMRealOEQ,            /**< True if ordered and equal */
300   LLVMRealOGT,            /**< True if ordered and greater than */
301   LLVMRealOGE,            /**< True if ordered and greater than or equal */
302   LLVMRealOLT,            /**< True if ordered and less than */
303   LLVMRealOLE,            /**< True if ordered and less than or equal */
304   LLVMRealONE,            /**< True if ordered and operands are unequal */
305   LLVMRealORD,            /**< True if ordered (no nans) */
306   LLVMRealUNO,            /**< True if unordered: isnan(X) | isnan(Y) */
307   LLVMRealUEQ,            /**< True if unordered or equal */
308   LLVMRealUGT,            /**< True if unordered or greater than */
309   LLVMRealUGE,            /**< True if unordered, greater than, or equal */
310   LLVMRealULT,            /**< True if unordered or less than */
311   LLVMRealULE,            /**< True if unordered, less than, or equal */
312   LLVMRealUNE,            /**< True if unordered or not equal */
313   LLVMRealPredicateTrue   /**< Always true (always folded) */
314 } LLVMRealPredicate;
315 
316 typedef enum {
317   LLVMLandingPadCatch,    /**< A catch clause   */
318   LLVMLandingPadFilter    /**< A filter clause  */
319 } LLVMLandingPadClauseTy;
320 
321 typedef enum {
322   LLVMNotThreadLocal = 0,
323   LLVMGeneralDynamicTLSModel,
324   LLVMLocalDynamicTLSModel,
325   LLVMInitialExecTLSModel,
326   LLVMLocalExecTLSModel
327 } LLVMThreadLocalMode;
328 
329 typedef enum {
330   LLVMAtomicOrderingNotAtomic = 0, /**< A load or store which is not atomic */
331   LLVMAtomicOrderingUnordered = 1, /**< Lowest level of atomicity, guarantees
332                                      somewhat sane results, lock free. */
333   LLVMAtomicOrderingMonotonic = 2, /**< guarantees that if you take all the
334                                      operations affecting a specific address,
335                                      a consistent ordering exists */
336   LLVMAtomicOrderingAcquire = 4, /**< Acquire provides a barrier of the sort
337                                    necessary to acquire a lock to access other
338                                    memory with normal loads and stores. */
339   LLVMAtomicOrderingRelease = 5, /**< Release is similar to Acquire, but with
340                                    a barrier of the sort necessary to release
341                                    a lock. */
342   LLVMAtomicOrderingAcquireRelease = 6, /**< provides both an Acquire and a
343                                           Release barrier (for fences and
344                                           operations which both read and write
345                                            memory). */
346   LLVMAtomicOrderingSequentiallyConsistent = 7 /**< provides Acquire semantics
347                                                  for loads and Release
348                                                  semantics for stores.
349                                                  Additionally, it guarantees
350                                                  that a total ordering exists
351                                                  between all
352                                                  SequentiallyConsistent
353                                                  operations. */
354 } LLVMAtomicOrdering;
355 
356 typedef enum {
357     LLVMAtomicRMWBinOpXchg, /**< Set the new value and return the one old */
358     LLVMAtomicRMWBinOpAdd, /**< Add a value and return the old one */
359     LLVMAtomicRMWBinOpSub, /**< Subtract a value and return the old one */
360     LLVMAtomicRMWBinOpAnd, /**< And a value and return the old one */
361     LLVMAtomicRMWBinOpNand, /**< Not-And a value and return the old one */
362     LLVMAtomicRMWBinOpOr, /**< OR a value and return the old one */
363     LLVMAtomicRMWBinOpXor, /**< Xor a value and return the old one */
364     LLVMAtomicRMWBinOpMax, /**< Sets the value if it's greater than the
365                              original using a signed comparison and return
366                              the old one */
367     LLVMAtomicRMWBinOpMin, /**< Sets the value if it's Smaller than the
368                              original using a signed comparison and return
369                              the old one */
370     LLVMAtomicRMWBinOpUMax, /**< Sets the value if it's greater than the
371                              original using an unsigned comparison and return
372                              the old one */
373     LLVMAtomicRMWBinOpUMin, /**< Sets the value if it's greater than the
374                               original using an unsigned comparison and return
375                               the old one */
376     LLVMAtomicRMWBinOpFAdd, /**< Add a floating point value and return the
377                               old one */
378     LLVMAtomicRMWBinOpFSub /**< Subtract a floating point value and return the
379                              old one */
380 } LLVMAtomicRMWBinOp;
381 
382 typedef enum {
383     LLVMDSError,
384     LLVMDSWarning,
385     LLVMDSRemark,
386     LLVMDSNote
387 } LLVMDiagnosticSeverity;
388 
389 typedef enum {
390   LLVMInlineAsmDialectATT,
391   LLVMInlineAsmDialectIntel
392 } LLVMInlineAsmDialect;
393 
394 typedef enum {
395   /**
396    * Emits an error if two values disagree, otherwise the resulting value is
397    * that of the operands.
398    *
399    * @see Module::ModFlagBehavior::Error
400    */
401   LLVMModuleFlagBehaviorError,
402   /**
403    * Emits a warning if two values disagree. The result value will be the
404    * operand for the flag from the first module being linked.
405    *
406    * @see Module::ModFlagBehavior::Warning
407    */
408   LLVMModuleFlagBehaviorWarning,
409   /**
410    * Adds a requirement that another module flag be present and have a
411    * specified value after linking is performed. The value must be a metadata
412    * pair, where the first element of the pair is the ID of the module flag
413    * to be restricted, and the second element of the pair is the value the
414    * module flag should be restricted to. This behavior can be used to
415    * restrict the allowable results (via triggering of an error) of linking
416    * IDs with the **Override** behavior.
417    *
418    * @see Module::ModFlagBehavior::Require
419    */
420   LLVMModuleFlagBehaviorRequire,
421   /**
422    * Uses the specified value, regardless of the behavior or value of the
423    * other module. If both modules specify **Override**, but the values
424    * differ, an error will be emitted.
425    *
426    * @see Module::ModFlagBehavior::Override
427    */
428   LLVMModuleFlagBehaviorOverride,
429   /**
430    * Appends the two values, which are required to be metadata nodes.
431    *
432    * @see Module::ModFlagBehavior::Append
433    */
434   LLVMModuleFlagBehaviorAppend,
435   /**
436    * Appends the two values, which are required to be metadata
437    * nodes. However, duplicate entries in the second list are dropped
438    * during the append operation.
439    *
440    * @see Module::ModFlagBehavior::AppendUnique
441    */
442   LLVMModuleFlagBehaviorAppendUnique,
443 } LLVMModuleFlagBehavior;
444 
445 /**
446  * Attribute index are either LLVMAttributeReturnIndex,
447  * LLVMAttributeFunctionIndex or a parameter number from 1 to N.
448  */
449 enum {
450   LLVMAttributeReturnIndex = 0U,
451   // ISO C restricts enumerator values to range of 'int'
452   // (4294967295 is too large)
453   // LLVMAttributeFunctionIndex = ~0U,
454   LLVMAttributeFunctionIndex = -1,
455 };
456 
457 typedef unsigned LLVMAttributeIndex;
458 
459 /**
460  * @}
461  */
462 
463 void LLVMInitializeCore(LLVMPassRegistryRef R);
464 
465 /** Deallocate and destroy all ManagedStatic variables.
466     @see llvm::llvm_shutdown
467     @see ManagedStatic */
468 void LLVMShutdown(void);
469 
470 /*===-- Error handling ----------------------------------------------------===*/
471 
472 char *LLVMCreateMessage(const char *Message);
473 void LLVMDisposeMessage(char *Message);
474 
475 /**
476  * @defgroup LLVMCCoreContext Contexts
477  *
478  * Contexts are execution states for the core LLVM IR system.
479  *
480  * Most types are tied to a context instance. Multiple contexts can
481  * exist simultaneously. A single context is not thread safe. However,
482  * different contexts can execute on different threads simultaneously.
483  *
484  * @{
485  */
486 
487 typedef void (*LLVMDiagnosticHandler)(LLVMDiagnosticInfoRef, void *);
488 typedef void (*LLVMYieldCallback)(LLVMContextRef, void *);
489 
490 /**
491  * Create a new context.
492  *
493  * Every call to this function should be paired with a call to
494  * LLVMContextDispose() or the context will leak memory.
495  */
496 LLVMContextRef LLVMContextCreate(void);
497 
498 /**
499  * Obtain the global context instance.
500  */
501 LLVMContextRef LLVMGetGlobalContext(void);
502 
503 /**
504  * Set the diagnostic handler for this context.
505  */
506 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
507                                      LLVMDiagnosticHandler Handler,
508                                      void *DiagnosticContext);
509 
510 /**
511  * Get the diagnostic handler of this context.
512  */
513 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C);
514 
515 /**
516  * Get the diagnostic context of this context.
517  */
518 void *LLVMContextGetDiagnosticContext(LLVMContextRef C);
519 
520 /**
521  * Set the yield callback function for this context.
522  *
523  * @see LLVMContext::setYieldCallback()
524  */
525 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
526                                  void *OpaqueHandle);
527 
528 /**
529  * Retrieve whether the given context is set to discard all value names.
530  *
531  * @see LLVMContext::shouldDiscardValueNames()
532  */
533 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C);
534 
535 /**
536  * Set whether the given context discards all value names.
537  *
538  * If true, only the names of GlobalValue objects will be available in the IR.
539  * This can be used to save memory and runtime, especially in release mode.
540  *
541  * @see LLVMContext::setDiscardValueNames()
542  */
543 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard);
544 
545 /**
546  * Destroy a context instance.
547  *
548  * This should be called for every call to LLVMContextCreate() or memory
549  * will be leaked.
550  */
551 void LLVMContextDispose(LLVMContextRef C);
552 
553 /**
554  * Return a string representation of the DiagnosticInfo. Use
555  * LLVMDisposeMessage to free the string.
556  *
557  * @see DiagnosticInfo::print()
558  */
559 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI);
560 
561 /**
562  * Return an enum LLVMDiagnosticSeverity.
563  *
564  * @see DiagnosticInfo::getSeverity()
565  */
566 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI);
567 
568 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
569                                   unsigned SLen);
570 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen);
571 
572 /**
573  * Return an unique id given the name of a enum attribute,
574  * or 0 if no attribute by that name exists.
575  *
576  * See http://llvm.org/docs/LangRef.html#parameter-attributes
577  * and http://llvm.org/docs/LangRef.html#function-attributes
578  * for the list of available attributes.
579  *
580  * NB: Attribute names and/or id are subject to change without
581  * going through the C API deprecation cycle.
582  */
583 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen);
584 unsigned LLVMGetLastEnumAttributeKind(void);
585 
586 /**
587  * Create an enum attribute.
588  */
589 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
590                                          uint64_t Val);
591 
592 /**
593  * Get the unique id corresponding to the enum attribute
594  * passed as argument.
595  */
596 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A);
597 
598 /**
599  * Get the enum attribute's value. 0 is returned if none exists.
600  */
601 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A);
602 
603 /**
604  * Create a string attribute.
605  */
606 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
607                                            const char *K, unsigned KLength,
608                                            const char *V, unsigned VLength);
609 
610 /**
611  * Get the string attribute's kind.
612  */
613 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A, unsigned *Length);
614 
615 /**
616  * Get the string attribute's value.
617  */
618 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A, unsigned *Length);
619 
620 /**
621  * Check for the different types of attributes.
622  */
623 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A);
624 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A);
625 
626 /**
627  * @}
628  */
629 
630 /**
631  * @defgroup LLVMCCoreModule Modules
632  *
633  * Modules represent the top-level structure in an LLVM program. An LLVM
634  * module is effectively a translation unit or a collection of
635  * translation units merged together.
636  *
637  * @{
638  */
639 
640 /**
641  * Create a new, empty module in the global context.
642  *
643  * This is equivalent to calling LLVMModuleCreateWithNameInContext with
644  * LLVMGetGlobalContext() as the context parameter.
645  *
646  * Every invocation should be paired with LLVMDisposeModule() or memory
647  * will be leaked.
648  */
649 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID);
650 
651 /**
652  * Create a new, empty module in a specific context.
653  *
654  * Every invocation should be paired with LLVMDisposeModule() or memory
655  * will be leaked.
656  */
657 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
658                                                 LLVMContextRef C);
659 /**
660  * Return an exact copy of the specified module.
661  */
662 LLVMModuleRef LLVMCloneModule(LLVMModuleRef M);
663 
664 /**
665  * Destroy a module instance.
666  *
667  * This must be called for every created module or memory will be
668  * leaked.
669  */
670 void LLVMDisposeModule(LLVMModuleRef M);
671 
672 /**
673  * Obtain the identifier of a module.
674  *
675  * @param M Module to obtain identifier of
676  * @param Len Out parameter which holds the length of the returned string.
677  * @return The identifier of M.
678  * @see Module::getModuleIdentifier()
679  */
680 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len);
681 
682 /**
683  * Set the identifier of a module to a string Ident with length Len.
684  *
685  * @param M The module to set identifier
686  * @param Ident The string to set M's identifier to
687  * @param Len Length of Ident
688  * @see Module::setModuleIdentifier()
689  */
690 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len);
691 
692 /**
693  * Obtain the module's original source file name.
694  *
695  * @param M Module to obtain the name of
696  * @param Len Out parameter which holds the length of the returned string
697  * @return The original source file name of M
698  * @see Module::getSourceFileName()
699  */
700 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len);
701 
702 /**
703  * Set the original source file name of a module to a string Name with length
704  * Len.
705  *
706  * @param M The module to set the source file name of
707  * @param Name The string to set M's source file name to
708  * @param Len Length of Name
709  * @see Module::setSourceFileName()
710  */
711 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len);
712 
713 /**
714  * Obtain the data layout for a module.
715  *
716  * @see Module::getDataLayoutStr()
717  *
718  * LLVMGetDataLayout is DEPRECATED, as the name is not only incorrect,
719  * but match the name of another method on the module. Prefer the use
720  * of LLVMGetDataLayoutStr, which is not ambiguous.
721  */
722 const char *LLVMGetDataLayoutStr(LLVMModuleRef M);
723 const char *LLVMGetDataLayout(LLVMModuleRef M);
724 
725 /**
726  * Set the data layout for a module.
727  *
728  * @see Module::setDataLayout()
729  */
730 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr);
731 
732 /**
733  * Obtain the target triple for a module.
734  *
735  * @see Module::getTargetTriple()
736  */
737 const char *LLVMGetTarget(LLVMModuleRef M);
738 
739 /**
740  * Set the target triple for a module.
741  *
742  * @see Module::setTargetTriple()
743  */
744 void LLVMSetTarget(LLVMModuleRef M, const char *Triple);
745 
746 /**
747  * Returns the module flags as an array of flag-key-value triples.  The caller
748  * is responsible for freeing this array by calling
749  * \c LLVMDisposeModuleFlagsMetadata.
750  *
751  * @see Module::getModuleFlagsMetadata()
752  */
753 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len);
754 
755 /**
756  * Destroys module flags metadata entries.
757  */
758 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries);
759 
760 /**
761  * Returns the flag behavior for a module flag entry at a specific index.
762  *
763  * @see Module::ModuleFlagEntry::Behavior
764  */
765 LLVMModuleFlagBehavior
766 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
767                                      unsigned Index);
768 
769 /**
770  * Returns the key for a module flag entry at a specific index.
771  *
772  * @see Module::ModuleFlagEntry::Key
773  */
774 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
775                                         unsigned Index, size_t *Len);
776 
777 /**
778  * Returns the metadata for a module flag entry at a specific index.
779  *
780  * @see Module::ModuleFlagEntry::Val
781  */
782 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
783                                                  unsigned Index);
784 
785 /**
786  * Add a module-level flag to the module-level flags metadata if it doesn't
787  * already exist.
788  *
789  * @see Module::getModuleFlag()
790  */
791 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
792                                   const char *Key, size_t KeyLen);
793 
794 /**
795  * Add a module-level flag to the module-level flags metadata if it doesn't
796  * already exist.
797  *
798  * @see Module::addModuleFlag()
799  */
800 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
801                        const char *Key, size_t KeyLen,
802                        LLVMMetadataRef Val);
803 
804 /**
805  * Dump a representation of a module to stderr.
806  *
807  * @see Module::dump()
808  */
809 void LLVMDumpModule(LLVMModuleRef M);
810 
811 /**
812  * Print a representation of a module to a file. The ErrorMessage needs to be
813  * disposed with LLVMDisposeMessage. Returns 0 on success, 1 otherwise.
814  *
815  * @see Module::print()
816  */
817 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
818                                char **ErrorMessage);
819 
820 /**
821  * Return a string representation of the module. Use
822  * LLVMDisposeMessage to free the string.
823  *
824  * @see Module::print()
825  */
826 char *LLVMPrintModuleToString(LLVMModuleRef M);
827 
828 /**
829  * Get inline assembly for a module.
830  *
831  * @see Module::getModuleInlineAsm()
832  */
833 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len);
834 
835 /**
836  * Set inline assembly for a module.
837  *
838  * @see Module::setModuleInlineAsm()
839  */
840 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len);
841 
842 /**
843  * Append inline assembly to a module.
844  *
845  * @see Module::appendModuleInlineAsm()
846  */
847 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len);
848 
849 /**
850  * Create the specified uniqued inline asm string.
851  *
852  * @see InlineAsm::get()
853  */
854 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty,
855                               char *AsmString, size_t AsmStringSize,
856                               char *Constraints, size_t ConstraintsSize,
857                               LLVMBool HasSideEffects, LLVMBool IsAlignStack,
858                               LLVMInlineAsmDialect Dialect);
859 
860 /**
861  * Obtain the context to which this module is associated.
862  *
863  * @see Module::getContext()
864  */
865 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M);
866 
867 /**
868  * Obtain a Type from a module by its registered name.
869  */
870 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name);
871 
872 /**
873  * Obtain an iterator to the first NamedMDNode in a Module.
874  *
875  * @see llvm::Module::named_metadata_begin()
876  */
877 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M);
878 
879 /**
880  * Obtain an iterator to the last NamedMDNode in a Module.
881  *
882  * @see llvm::Module::named_metadata_end()
883  */
884 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M);
885 
886 /**
887  * Advance a NamedMDNode iterator to the next NamedMDNode.
888  *
889  * Returns NULL if the iterator was already at the end and there are no more
890  * named metadata nodes.
891  */
892 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
893 
894 /**
895  * Decrement a NamedMDNode iterator to the previous NamedMDNode.
896  *
897  * Returns NULL if the iterator was already at the beginning and there are
898  * no previous named metadata nodes.
899  */
900 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
901 
902 /**
903  * Retrieve a NamedMDNode with the given name, returning NULL if no such
904  * node exists.
905  *
906  * @see llvm::Module::getNamedMetadata()
907  */
908 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
909                                         const char *Name, size_t NameLen);
910 
911 /**
912  * Retrieve a NamedMDNode with the given name, creating a new node if no such
913  * node exists.
914  *
915  * @see llvm::Module::getOrInsertNamedMetadata()
916  */
917 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
918                                                 const char *Name,
919                                                 size_t NameLen);
920 
921 /**
922  * Retrieve the name of a NamedMDNode.
923  *
924  * @see llvm::NamedMDNode::getName()
925  */
926 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NamedMD,
927                                      size_t *NameLen);
928 
929 /**
930  * Obtain the number of operands for named metadata in a module.
931  *
932  * @see llvm::Module::getNamedMetadata()
933  */
934 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name);
935 
936 /**
937  * Obtain the named metadata operands for a module.
938  *
939  * The passed LLVMValueRef pointer should refer to an array of
940  * LLVMValueRef at least LLVMGetNamedMetadataNumOperands long. This
941  * array will be populated with the LLVMValueRef instances. Each
942  * instance corresponds to a llvm::MDNode.
943  *
944  * @see llvm::Module::getNamedMetadata()
945  * @see llvm::MDNode::getOperand()
946  */
947 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
948                                   LLVMValueRef *Dest);
949 
950 /**
951  * Add an operand to named metadata.
952  *
953  * @see llvm::Module::getNamedMetadata()
954  * @see llvm::MDNode::addOperand()
955  */
956 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
957                                  LLVMValueRef Val);
958 
959 /**
960  * Return the directory of the debug location for this value, which must be
961  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
962  *
963  * @see llvm::Instruction::getDebugLoc()
964  * @see llvm::GlobalVariable::getDebugInfo()
965  * @see llvm::Function::getSubprogram()
966  */
967 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length);
968 
969 /**
970  * Return the filename of the debug location for this value, which must be
971  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
972  *
973  * @see llvm::Instruction::getDebugLoc()
974  * @see llvm::GlobalVariable::getDebugInfo()
975  * @see llvm::Function::getSubprogram()
976  */
977 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length);
978 
979 /**
980  * Return the line number of the debug location for this value, which must be
981  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
982  *
983  * @see llvm::Instruction::getDebugLoc()
984  * @see llvm::GlobalVariable::getDebugInfo()
985  * @see llvm::Function::getSubprogram()
986  */
987 unsigned LLVMGetDebugLocLine(LLVMValueRef Val);
988 
989 /**
990  * Return the column number of the debug location for this value, which must be
991  * an llvm::Instruction.
992  *
993  * @see llvm::Instruction::getDebugLoc()
994  */
995 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val);
996 
997 /**
998  * Add a function to a module under a specified name.
999  *
1000  * @see llvm::Function::Create()
1001  */
1002 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
1003                              LLVMTypeRef FunctionTy);
1004 
1005 /**
1006  * Obtain a Function value from a Module by its name.
1007  *
1008  * The returned value corresponds to a llvm::Function value.
1009  *
1010  * @see llvm::Module::getFunction()
1011  */
1012 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name);
1013 
1014 /**
1015  * Obtain an iterator to the first Function in a Module.
1016  *
1017  * @see llvm::Module::begin()
1018  */
1019 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M);
1020 
1021 /**
1022  * Obtain an iterator to the last Function in a Module.
1023  *
1024  * @see llvm::Module::end()
1025  */
1026 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M);
1027 
1028 /**
1029  * Advance a Function iterator to the next Function.
1030  *
1031  * Returns NULL if the iterator was already at the end and there are no more
1032  * functions.
1033  */
1034 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn);
1035 
1036 /**
1037  * Decrement a Function iterator to the previous Function.
1038  *
1039  * Returns NULL if the iterator was already at the beginning and there are
1040  * no previous functions.
1041  */
1042 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn);
1043 
1044 /** Deprecated: Use LLVMSetModuleInlineAsm2 instead. */
1045 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm);
1046 
1047 /**
1048  * @}
1049  */
1050 
1051 /**
1052  * @defgroup LLVMCCoreType Types
1053  *
1054  * Types represent the type of a value.
1055  *
1056  * Types are associated with a context instance. The context internally
1057  * deduplicates types so there is only 1 instance of a specific type
1058  * alive at a time. In other words, a unique type is shared among all
1059  * consumers within a context.
1060  *
1061  * A Type in the C API corresponds to llvm::Type.
1062  *
1063  * Types have the following hierarchy:
1064  *
1065  *   types:
1066  *     integer type
1067  *     real type
1068  *     function type
1069  *     sequence types:
1070  *       array type
1071  *       pointer type
1072  *       vector type
1073  *     void type
1074  *     label type
1075  *     opaque type
1076  *
1077  * @{
1078  */
1079 
1080 /**
1081  * Obtain the enumerated type of a Type instance.
1082  *
1083  * @see llvm::Type:getTypeID()
1084  */
1085 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty);
1086 
1087 /**
1088  * Whether the type has a known size.
1089  *
1090  * Things that don't have a size are abstract types, labels, and void.a
1091  *
1092  * @see llvm::Type::isSized()
1093  */
1094 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty);
1095 
1096 /**
1097  * Obtain the context to which this type instance is associated.
1098  *
1099  * @see llvm::Type::getContext()
1100  */
1101 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty);
1102 
1103 /**
1104  * Dump a representation of a type to stderr.
1105  *
1106  * @see llvm::Type::dump()
1107  */
1108 void LLVMDumpType(LLVMTypeRef Val);
1109 
1110 /**
1111  * Return a string representation of the type. Use
1112  * LLVMDisposeMessage to free the string.
1113  *
1114  * @see llvm::Type::print()
1115  */
1116 char *LLVMPrintTypeToString(LLVMTypeRef Val);
1117 
1118 /**
1119  * @defgroup LLVMCCoreTypeInt Integer Types
1120  *
1121  * Functions in this section operate on integer types.
1122  *
1123  * @{
1124  */
1125 
1126 /**
1127  * Obtain an integer type from a context with specified bit width.
1128  */
1129 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C);
1130 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C);
1131 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C);
1132 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C);
1133 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C);
1134 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C);
1135 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits);
1136 
1137 /**
1138  * Obtain an integer type from the global context with a specified bit
1139  * width.
1140  */
1141 LLVMTypeRef LLVMInt1Type(void);
1142 LLVMTypeRef LLVMInt8Type(void);
1143 LLVMTypeRef LLVMInt16Type(void);
1144 LLVMTypeRef LLVMInt32Type(void);
1145 LLVMTypeRef LLVMInt64Type(void);
1146 LLVMTypeRef LLVMInt128Type(void);
1147 LLVMTypeRef LLVMIntType(unsigned NumBits);
1148 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy);
1149 
1150 /**
1151  * @}
1152  */
1153 
1154 /**
1155  * @defgroup LLVMCCoreTypeFloat Floating Point Types
1156  *
1157  * @{
1158  */
1159 
1160 /**
1161  * Obtain a 16-bit floating point type from a context.
1162  */
1163 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C);
1164 
1165 /**
1166  * Obtain a 32-bit floating point type from a context.
1167  */
1168 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C);
1169 
1170 /**
1171  * Obtain a 64-bit floating point type from a context.
1172  */
1173 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C);
1174 
1175 /**
1176  * Obtain a 80-bit floating point type (X87) from a context.
1177  */
1178 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C);
1179 
1180 /**
1181  * Obtain a 128-bit floating point type (112-bit mantissa) from a
1182  * context.
1183  */
1184 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C);
1185 
1186 /**
1187  * Obtain a 128-bit floating point type (two 64-bits) from a context.
1188  */
1189 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C);
1190 
1191 /**
1192  * Obtain a floating point type from the global context.
1193  *
1194  * These map to the functions in this group of the same name.
1195  */
1196 LLVMTypeRef LLVMHalfType(void);
1197 LLVMTypeRef LLVMFloatType(void);
1198 LLVMTypeRef LLVMDoubleType(void);
1199 LLVMTypeRef LLVMX86FP80Type(void);
1200 LLVMTypeRef LLVMFP128Type(void);
1201 LLVMTypeRef LLVMPPCFP128Type(void);
1202 
1203 /**
1204  * @}
1205  */
1206 
1207 /**
1208  * @defgroup LLVMCCoreTypeFunction Function Types
1209  *
1210  * @{
1211  */
1212 
1213 /**
1214  * Obtain a function type consisting of a specified signature.
1215  *
1216  * The function is defined as a tuple of a return Type, a list of
1217  * parameter types, and whether the function is variadic.
1218  */
1219 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
1220                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
1221                              LLVMBool IsVarArg);
1222 
1223 /**
1224  * Returns whether a function type is variadic.
1225  */
1226 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy);
1227 
1228 /**
1229  * Obtain the Type this function Type returns.
1230  */
1231 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy);
1232 
1233 /**
1234  * Obtain the number of parameters this function accepts.
1235  */
1236 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy);
1237 
1238 /**
1239  * Obtain the types of a function's parameters.
1240  *
1241  * The Dest parameter should point to a pre-allocated array of
1242  * LLVMTypeRef at least LLVMCountParamTypes() large. On return, the
1243  * first LLVMCountParamTypes() entries in the array will be populated
1244  * with LLVMTypeRef instances.
1245  *
1246  * @param FunctionTy The function type to operate on.
1247  * @param Dest Memory address of an array to be filled with result.
1248  */
1249 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest);
1250 
1251 /**
1252  * @}
1253  */
1254 
1255 /**
1256  * @defgroup LLVMCCoreTypeStruct Structure Types
1257  *
1258  * These functions relate to LLVMTypeRef instances.
1259  *
1260  * @see llvm::StructType
1261  *
1262  * @{
1263  */
1264 
1265 /**
1266  * Create a new structure type in a context.
1267  *
1268  * A structure is specified by a list of inner elements/types and
1269  * whether these can be packed together.
1270  *
1271  * @see llvm::StructType::create()
1272  */
1273 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
1274                                     unsigned ElementCount, LLVMBool Packed);
1275 
1276 /**
1277  * Create a new structure type in the global context.
1278  *
1279  * @see llvm::StructType::create()
1280  */
1281 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes, unsigned ElementCount,
1282                            LLVMBool Packed);
1283 
1284 /**
1285  * Create an empty structure in a context having a specified name.
1286  *
1287  * @see llvm::StructType::create()
1288  */
1289 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name);
1290 
1291 /**
1292  * Obtain the name of a structure.
1293  *
1294  * @see llvm::StructType::getName()
1295  */
1296 const char *LLVMGetStructName(LLVMTypeRef Ty);
1297 
1298 /**
1299  * Set the contents of a structure type.
1300  *
1301  * @see llvm::StructType::setBody()
1302  */
1303 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
1304                        unsigned ElementCount, LLVMBool Packed);
1305 
1306 /**
1307  * Get the number of elements defined inside the structure.
1308  *
1309  * @see llvm::StructType::getNumElements()
1310  */
1311 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy);
1312 
1313 /**
1314  * Get the elements within a structure.
1315  *
1316  * The function is passed the address of a pre-allocated array of
1317  * LLVMTypeRef at least LLVMCountStructElementTypes() long. After
1318  * invocation, this array will be populated with the structure's
1319  * elements. The objects in the destination array will have a lifetime
1320  * of the structure type itself, which is the lifetime of the context it
1321  * is contained in.
1322  */
1323 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest);
1324 
1325 /**
1326  * Get the type of the element at a given index in the structure.
1327  *
1328  * @see llvm::StructType::getTypeAtIndex()
1329  */
1330 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i);
1331 
1332 /**
1333  * Determine whether a structure is packed.
1334  *
1335  * @see llvm::StructType::isPacked()
1336  */
1337 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy);
1338 
1339 /**
1340  * Determine whether a structure is opaque.
1341  *
1342  * @see llvm::StructType::isOpaque()
1343  */
1344 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy);
1345 
1346 /**
1347  * Determine whether a structure is literal.
1348  *
1349  * @see llvm::StructType::isLiteral()
1350  */
1351 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy);
1352 
1353 /**
1354  * @}
1355  */
1356 
1357 /**
1358  * @defgroup LLVMCCoreTypeSequential Sequential Types
1359  *
1360  * Sequential types represents "arrays" of types. This is a super class
1361  * for array, vector, and pointer types.
1362  *
1363  * @{
1364  */
1365 
1366 /**
1367  * Obtain the type of elements within a sequential type.
1368  *
1369  * This works on array, vector, and pointer types.
1370  *
1371  * @see llvm::SequentialType::getElementType()
1372  */
1373 LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty);
1374 
1375 /**
1376  * Returns type's subtypes
1377  *
1378  * @see llvm::Type::subtypes()
1379  */
1380 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr);
1381 
1382 /**
1383  *  Return the number of types in the derived type.
1384  *
1385  * @see llvm::Type::getNumContainedTypes()
1386  */
1387 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp);
1388 
1389 /**
1390  * Create a fixed size array type that refers to a specific type.
1391  *
1392  * The created type will exist in the context that its element type
1393  * exists in.
1394  *
1395  * @see llvm::ArrayType::get()
1396  */
1397 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount);
1398 
1399 /**
1400  * Obtain the length of an array type.
1401  *
1402  * This only works on types that represent arrays.
1403  *
1404  * @see llvm::ArrayType::getNumElements()
1405  */
1406 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy);
1407 
1408 /**
1409  * Create a pointer type that points to a defined type.
1410  *
1411  * The created type will exist in the context that its pointee type
1412  * exists in.
1413  *
1414  * @see llvm::PointerType::get()
1415  */
1416 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace);
1417 
1418 /**
1419  * Obtain the address space of a pointer type.
1420  *
1421  * This only works on types that represent pointers.
1422  *
1423  * @see llvm::PointerType::getAddressSpace()
1424  */
1425 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy);
1426 
1427 /**
1428  * Create a vector type that contains a defined type and has a specific
1429  * number of elements.
1430  *
1431  * The created type will exist in the context thats its element type
1432  * exists in.
1433  *
1434  * @see llvm::VectorType::get()
1435  */
1436 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount);
1437 
1438 /**
1439  * Obtain the number of elements in a vector type.
1440  *
1441  * This only works on types that represent vectors.
1442  *
1443  * @see llvm::VectorType::getNumElements()
1444  */
1445 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy);
1446 
1447 /**
1448  * @}
1449  */
1450 
1451 /**
1452  * @defgroup LLVMCCoreTypeOther Other Types
1453  *
1454  * @{
1455  */
1456 
1457 /**
1458  * Create a void type in a context.
1459  */
1460 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C);
1461 
1462 /**
1463  * Create a label type in a context.
1464  */
1465 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C);
1466 
1467 /**
1468  * Create a X86 MMX type in a context.
1469  */
1470 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C);
1471 
1472 /**
1473  * Create a token type in a context.
1474  */
1475 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C);
1476 
1477 /**
1478  * Create a metadata type in a context.
1479  */
1480 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C);
1481 
1482 /**
1483  * These are similar to the above functions except they operate on the
1484  * global context.
1485  */
1486 LLVMTypeRef LLVMVoidType(void);
1487 LLVMTypeRef LLVMLabelType(void);
1488 LLVMTypeRef LLVMX86MMXType(void);
1489 
1490 /**
1491  * @}
1492  */
1493 
1494 /**
1495  * @}
1496  */
1497 
1498 /**
1499  * @defgroup LLVMCCoreValues Values
1500  *
1501  * The bulk of LLVM's object model consists of values, which comprise a very
1502  * rich type hierarchy.
1503  *
1504  * LLVMValueRef essentially represents llvm::Value. There is a rich
1505  * hierarchy of classes within this type. Depending on the instance
1506  * obtained, not all APIs are available.
1507  *
1508  * Callers can determine the type of an LLVMValueRef by calling the
1509  * LLVMIsA* family of functions (e.g. LLVMIsAArgument()). These
1510  * functions are defined by a macro, so it isn't obvious which are
1511  * available by looking at the Doxygen source code. Instead, look at the
1512  * source definition of LLVM_FOR_EACH_VALUE_SUBCLASS and note the list
1513  * of value names given. These value names also correspond to classes in
1514  * the llvm::Value hierarchy.
1515  *
1516  * @{
1517  */
1518 
1519 #define LLVM_FOR_EACH_VALUE_SUBCLASS(macro) \
1520   macro(Argument)                           \
1521   macro(BasicBlock)                         \
1522   macro(InlineAsm)                          \
1523   macro(User)                               \
1524     macro(Constant)                         \
1525       macro(BlockAddress)                   \
1526       macro(ConstantAggregateZero)          \
1527       macro(ConstantArray)                  \
1528       macro(ConstantDataSequential)         \
1529         macro(ConstantDataArray)            \
1530         macro(ConstantDataVector)           \
1531       macro(ConstantExpr)                   \
1532       macro(ConstantFP)                     \
1533       macro(ConstantInt)                    \
1534       macro(ConstantPointerNull)            \
1535       macro(ConstantStruct)                 \
1536       macro(ConstantTokenNone)              \
1537       macro(ConstantVector)                 \
1538       macro(GlobalValue)                    \
1539         macro(GlobalAlias)                  \
1540         macro(GlobalIFunc)                  \
1541         macro(GlobalObject)                 \
1542           macro(Function)                   \
1543           macro(GlobalVariable)             \
1544       macro(UndefValue)                     \
1545     macro(Instruction)                      \
1546       macro(UnaryOperator)                  \
1547       macro(BinaryOperator)                 \
1548       macro(CallInst)                       \
1549         macro(IntrinsicInst)                \
1550           macro(DbgInfoIntrinsic)           \
1551             macro(DbgVariableIntrinsic)     \
1552               macro(DbgDeclareInst)         \
1553             macro(DbgLabelInst)             \
1554           macro(MemIntrinsic)               \
1555             macro(MemCpyInst)               \
1556             macro(MemMoveInst)              \
1557             macro(MemSetInst)               \
1558       macro(CmpInst)                        \
1559         macro(FCmpInst)                     \
1560         macro(ICmpInst)                     \
1561       macro(ExtractElementInst)             \
1562       macro(GetElementPtrInst)              \
1563       macro(InsertElementInst)              \
1564       macro(InsertValueInst)                \
1565       macro(LandingPadInst)                 \
1566       macro(PHINode)                        \
1567       macro(SelectInst)                     \
1568       macro(ShuffleVectorInst)              \
1569       macro(StoreInst)                      \
1570       macro(BranchInst)                     \
1571       macro(IndirectBrInst)                 \
1572       macro(InvokeInst)                     \
1573       macro(ReturnInst)                     \
1574       macro(SwitchInst)                     \
1575       macro(UnreachableInst)                \
1576       macro(ResumeInst)                     \
1577       macro(CleanupReturnInst)              \
1578       macro(CatchReturnInst)                \
1579       macro(CatchSwitchInst)                \
1580       macro(CallBrInst)                     \
1581       macro(FuncletPadInst)                 \
1582         macro(CatchPadInst)                 \
1583         macro(CleanupPadInst)               \
1584       macro(UnaryInstruction)               \
1585         macro(AllocaInst)                   \
1586         macro(CastInst)                     \
1587           macro(AddrSpaceCastInst)          \
1588           macro(BitCastInst)                \
1589           macro(FPExtInst)                  \
1590           macro(FPToSIInst)                 \
1591           macro(FPToUIInst)                 \
1592           macro(FPTruncInst)                \
1593           macro(IntToPtrInst)               \
1594           macro(PtrToIntInst)               \
1595           macro(SExtInst)                   \
1596           macro(SIToFPInst)                 \
1597           macro(TruncInst)                  \
1598           macro(UIToFPInst)                 \
1599           macro(ZExtInst)                   \
1600         macro(ExtractValueInst)             \
1601         macro(LoadInst)                     \
1602         macro(VAArgInst)                    \
1603         macro(FreezeInst)                   \
1604       macro(AtomicCmpXchgInst)              \
1605       macro(AtomicRMWInst)                  \
1606       macro(FenceInst)
1607 
1608 /**
1609  * @defgroup LLVMCCoreValueGeneral General APIs
1610  *
1611  * Functions in this section work on all LLVMValueRef instances,
1612  * regardless of their sub-type. They correspond to functions available
1613  * on llvm::Value.
1614  *
1615  * @{
1616  */
1617 
1618 /**
1619  * Obtain the type of a value.
1620  *
1621  * @see llvm::Value::getType()
1622  */
1623 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val);
1624 
1625 /**
1626  * Obtain the enumerated type of a Value instance.
1627  *
1628  * @see llvm::Value::getValueID()
1629  */
1630 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val);
1631 
1632 /**
1633  * Obtain the string name of a value.
1634  *
1635  * @see llvm::Value::getName()
1636  */
1637 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length);
1638 
1639 /**
1640  * Set the string name of a value.
1641  *
1642  * @see llvm::Value::setName()
1643  */
1644 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen);
1645 
1646 /**
1647  * Dump a representation of a value to stderr.
1648  *
1649  * @see llvm::Value::dump()
1650  */
1651 void LLVMDumpValue(LLVMValueRef Val);
1652 
1653 /**
1654  * Return a string representation of the value. Use
1655  * LLVMDisposeMessage to free the string.
1656  *
1657  * @see llvm::Value::print()
1658  */
1659 char *LLVMPrintValueToString(LLVMValueRef Val);
1660 
1661 /**
1662  * Replace all uses of a value with another one.
1663  *
1664  * @see llvm::Value::replaceAllUsesWith()
1665  */
1666 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal);
1667 
1668 /**
1669  * Determine whether the specified value instance is constant.
1670  */
1671 LLVMBool LLVMIsConstant(LLVMValueRef Val);
1672 
1673 /**
1674  * Determine whether a value instance is undefined.
1675  */
1676 LLVMBool LLVMIsUndef(LLVMValueRef Val);
1677 
1678 /**
1679  * Convert value instances between types.
1680  *
1681  * Internally, an LLVMValueRef is "pinned" to a specific type. This
1682  * series of functions allows you to cast an instance to a specific
1683  * type.
1684  *
1685  * If the cast is not valid for the specified type, NULL is returned.
1686  *
1687  * @see llvm::dyn_cast_or_null<>
1688  */
1689 #define LLVM_DECLARE_VALUE_CAST(name) \
1690   LLVMValueRef LLVMIsA##name(LLVMValueRef Val);
1691 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DECLARE_VALUE_CAST)
1692 
1693 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val);
1694 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val);
1695 
1696 /** Deprecated: Use LLVMGetValueName2 instead. */
1697 const char *LLVMGetValueName(LLVMValueRef Val);
1698 /** Deprecated: Use LLVMSetValueName2 instead. */
1699 void LLVMSetValueName(LLVMValueRef Val, const char *Name);
1700 
1701 /**
1702  * @}
1703  */
1704 
1705 /**
1706  * @defgroup LLVMCCoreValueUses Usage
1707  *
1708  * This module defines functions that allow you to inspect the uses of a
1709  * LLVMValueRef.
1710  *
1711  * It is possible to obtain an LLVMUseRef for any LLVMValueRef instance.
1712  * Each LLVMUseRef (which corresponds to a llvm::Use instance) holds a
1713  * llvm::User and llvm::Value.
1714  *
1715  * @{
1716  */
1717 
1718 /**
1719  * Obtain the first use of a value.
1720  *
1721  * Uses are obtained in an iterator fashion. First, call this function
1722  * to obtain a reference to the first use. Then, call LLVMGetNextUse()
1723  * on that instance and all subsequently obtained instances until
1724  * LLVMGetNextUse() returns NULL.
1725  *
1726  * @see llvm::Value::use_begin()
1727  */
1728 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val);
1729 
1730 /**
1731  * Obtain the next use of a value.
1732  *
1733  * This effectively advances the iterator. It returns NULL if you are on
1734  * the final use and no more are available.
1735  */
1736 LLVMUseRef LLVMGetNextUse(LLVMUseRef U);
1737 
1738 /**
1739  * Obtain the user value for a user.
1740  *
1741  * The returned value corresponds to a llvm::User type.
1742  *
1743  * @see llvm::Use::getUser()
1744  */
1745 LLVMValueRef LLVMGetUser(LLVMUseRef U);
1746 
1747 /**
1748  * Obtain the value this use corresponds to.
1749  *
1750  * @see llvm::Use::get().
1751  */
1752 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U);
1753 
1754 /**
1755  * @}
1756  */
1757 
1758 /**
1759  * @defgroup LLVMCCoreValueUser User value
1760  *
1761  * Function in this group pertain to LLVMValueRef instances that descent
1762  * from llvm::User. This includes constants, instructions, and
1763  * operators.
1764  *
1765  * @{
1766  */
1767 
1768 /**
1769  * Obtain an operand at a specific index in a llvm::User value.
1770  *
1771  * @see llvm::User::getOperand()
1772  */
1773 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index);
1774 
1775 /**
1776  * Obtain the use of an operand at a specific index in a llvm::User value.
1777  *
1778  * @see llvm::User::getOperandUse()
1779  */
1780 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index);
1781 
1782 /**
1783  * Set an operand at a specific index in a llvm::User value.
1784  *
1785  * @see llvm::User::setOperand()
1786  */
1787 void LLVMSetOperand(LLVMValueRef User, unsigned Index, LLVMValueRef Val);
1788 
1789 /**
1790  * Obtain the number of operands in a llvm::User value.
1791  *
1792  * @see llvm::User::getNumOperands()
1793  */
1794 int LLVMGetNumOperands(LLVMValueRef Val);
1795 
1796 /**
1797  * @}
1798  */
1799 
1800 /**
1801  * @defgroup LLVMCCoreValueConstant Constants
1802  *
1803  * This section contains APIs for interacting with LLVMValueRef that
1804  * correspond to llvm::Constant instances.
1805  *
1806  * These functions will work for any LLVMValueRef in the llvm::Constant
1807  * class hierarchy.
1808  *
1809  * @{
1810  */
1811 
1812 /**
1813  * Obtain a constant value referring to the null instance of a type.
1814  *
1815  * @see llvm::Constant::getNullValue()
1816  */
1817 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty); /* all zeroes */
1818 
1819 /**
1820  * Obtain a constant value referring to the instance of a type
1821  * consisting of all ones.
1822  *
1823  * This is only valid for integer types.
1824  *
1825  * @see llvm::Constant::getAllOnesValue()
1826  */
1827 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty);
1828 
1829 /**
1830  * Obtain a constant value referring to an undefined value of a type.
1831  *
1832  * @see llvm::UndefValue::get()
1833  */
1834 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty);
1835 
1836 /**
1837  * Determine whether a value instance is null.
1838  *
1839  * @see llvm::Constant::isNullValue()
1840  */
1841 LLVMBool LLVMIsNull(LLVMValueRef Val);
1842 
1843 /**
1844  * Obtain a constant that is a constant pointer pointing to NULL for a
1845  * specified type.
1846  */
1847 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty);
1848 
1849 /**
1850  * @defgroup LLVMCCoreValueConstantScalar Scalar constants
1851  *
1852  * Functions in this group model LLVMValueRef instances that correspond
1853  * to constants referring to scalar types.
1854  *
1855  * For integer types, the LLVMTypeRef parameter should correspond to a
1856  * llvm::IntegerType instance and the returned LLVMValueRef will
1857  * correspond to a llvm::ConstantInt.
1858  *
1859  * For floating point types, the LLVMTypeRef returned corresponds to a
1860  * llvm::ConstantFP.
1861  *
1862  * @{
1863  */
1864 
1865 /**
1866  * Obtain a constant value for an integer type.
1867  *
1868  * The returned value corresponds to a llvm::ConstantInt.
1869  *
1870  * @see llvm::ConstantInt::get()
1871  *
1872  * @param IntTy Integer type to obtain value of.
1873  * @param N The value the returned instance should refer to.
1874  * @param SignExtend Whether to sign extend the produced value.
1875  */
1876 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1877                           LLVMBool SignExtend);
1878 
1879 /**
1880  * Obtain a constant value for an integer of arbitrary precision.
1881  *
1882  * @see llvm::ConstantInt::get()
1883  */
1884 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1885                                               unsigned NumWords,
1886                                               const uint64_t Words[]);
1887 
1888 /**
1889  * Obtain a constant value for an integer parsed from a string.
1890  *
1891  * A similar API, LLVMConstIntOfStringAndSize is also available. If the
1892  * string's length is available, it is preferred to call that function
1893  * instead.
1894  *
1895  * @see llvm::ConstantInt::get()
1896  */
1897 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char *Text,
1898                                   uint8_t Radix);
1899 
1900 /**
1901  * Obtain a constant value for an integer parsed from a string with
1902  * specified length.
1903  *
1904  * @see llvm::ConstantInt::get()
1905  */
1906 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char *Text,
1907                                          unsigned SLen, uint8_t Radix);
1908 
1909 /**
1910  * Obtain a constant value referring to a double floating point value.
1911  */
1912 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N);
1913 
1914 /**
1915  * Obtain a constant for a floating point value parsed from a string.
1916  *
1917  * A similar API, LLVMConstRealOfStringAndSize is also available. It
1918  * should be used if the input string's length is known.
1919  */
1920 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text);
1921 
1922 /**
1923  * Obtain a constant for a floating point value parsed from a string.
1924  */
1925 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char *Text,
1926                                           unsigned SLen);
1927 
1928 /**
1929  * Obtain the zero extended value for an integer constant value.
1930  *
1931  * @see llvm::ConstantInt::getZExtValue()
1932  */
1933 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal);
1934 
1935 /**
1936  * Obtain the sign extended value for an integer constant value.
1937  *
1938  * @see llvm::ConstantInt::getSExtValue()
1939  */
1940 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal);
1941 
1942 /**
1943  * Obtain the double value for an floating point constant value.
1944  * losesInfo indicates if some precision was lost in the conversion.
1945  *
1946  * @see llvm::ConstantFP::getDoubleValue
1947  */
1948 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *losesInfo);
1949 
1950 /**
1951  * @}
1952  */
1953 
1954 /**
1955  * @defgroup LLVMCCoreValueConstantComposite Composite Constants
1956  *
1957  * Functions in this group operate on composite constants.
1958  *
1959  * @{
1960  */
1961 
1962 /**
1963  * Create a ConstantDataSequential and initialize it with a string.
1964  *
1965  * @see llvm::ConstantDataArray::getString()
1966  */
1967 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
1968                                       unsigned Length, LLVMBool DontNullTerminate);
1969 
1970 /**
1971  * Create a ConstantDataSequential with string content in the global context.
1972  *
1973  * This is the same as LLVMConstStringInContext except it operates on the
1974  * global context.
1975  *
1976  * @see LLVMConstStringInContext()
1977  * @see llvm::ConstantDataArray::getString()
1978  */
1979 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
1980                              LLVMBool DontNullTerminate);
1981 
1982 /**
1983  * Returns true if the specified constant is an array of i8.
1984  *
1985  * @see ConstantDataSequential::getAsString()
1986  */
1987 LLVMBool LLVMIsConstantString(LLVMValueRef c);
1988 
1989 /**
1990  * Get the given constant data sequential as a string.
1991  *
1992  * @see ConstantDataSequential::getAsString()
1993  */
1994 const char *LLVMGetAsString(LLVMValueRef c, size_t *Length);
1995 
1996 /**
1997  * Create an anonymous ConstantStruct with the specified values.
1998  *
1999  * @see llvm::ConstantStruct::getAnon()
2000  */
2001 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
2002                                       LLVMValueRef *ConstantVals,
2003                                       unsigned Count, LLVMBool Packed);
2004 
2005 /**
2006  * Create a ConstantStruct in the global Context.
2007  *
2008  * This is the same as LLVMConstStructInContext except it operates on the
2009  * global Context.
2010  *
2011  * @see LLVMConstStructInContext()
2012  */
2013 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
2014                              LLVMBool Packed);
2015 
2016 /**
2017  * Create a ConstantArray from values.
2018  *
2019  * @see llvm::ConstantArray::get()
2020  */
2021 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
2022                             LLVMValueRef *ConstantVals, unsigned Length);
2023 
2024 /**
2025  * Create a non-anonymous ConstantStruct from values.
2026  *
2027  * @see llvm::ConstantStruct::get()
2028  */
2029 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
2030                                   LLVMValueRef *ConstantVals,
2031                                   unsigned Count);
2032 
2033 /**
2034  * Get an element at specified index as a constant.
2035  *
2036  * @see ConstantDataSequential::getElementAsConstant()
2037  */
2038 LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx);
2039 
2040 /**
2041  * Create a ConstantVector from values.
2042  *
2043  * @see llvm::ConstantVector::get()
2044  */
2045 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size);
2046 
2047 /**
2048  * @}
2049  */
2050 
2051 /**
2052  * @defgroup LLVMCCoreValueConstantExpressions Constant Expressions
2053  *
2054  * Functions in this group correspond to APIs on llvm::ConstantExpr.
2055  *
2056  * @see llvm::ConstantExpr.
2057  *
2058  * @{
2059  */
2060 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal);
2061 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty);
2062 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty);
2063 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal);
2064 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal);
2065 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal);
2066 LLVMValueRef LLVMConstFNeg(LLVMValueRef ConstantVal);
2067 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal);
2068 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2069 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2070 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2071 LLVMValueRef LLVMConstFAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2072 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2073 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2074 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2075 LLVMValueRef LLVMConstFSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2076 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2077 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2078 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2079 LLVMValueRef LLVMConstFMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2080 LLVMValueRef LLVMConstUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2081 LLVMValueRef LLVMConstExactUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2082 LLVMValueRef LLVMConstSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2083 LLVMValueRef LLVMConstExactSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2084 LLVMValueRef LLVMConstFDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2085 LLVMValueRef LLVMConstURem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2086 LLVMValueRef LLVMConstSRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2087 LLVMValueRef LLVMConstFRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2088 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2089 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2090 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2091 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
2092                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2093 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
2094                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2095 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2096 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2097 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2098 LLVMValueRef LLVMConstGEP(LLVMValueRef ConstantVal,
2099                           LLVMValueRef *ConstantIndices, unsigned NumIndices);
2100 LLVMValueRef LLVMConstGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2101                            LLVMValueRef *ConstantIndices, unsigned NumIndices);
2102 LLVMValueRef LLVMConstInBoundsGEP(LLVMValueRef ConstantVal,
2103                                   LLVMValueRef *ConstantIndices,
2104                                   unsigned NumIndices);
2105 LLVMValueRef LLVMConstInBoundsGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2106                                    LLVMValueRef *ConstantIndices,
2107                                    unsigned NumIndices);
2108 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2109 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2110 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2111 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2112 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2113 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2114 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2115 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2116 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2117 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2118 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2119 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2120 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2121 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
2122                                     LLVMTypeRef ToType);
2123 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
2124                                     LLVMTypeRef ToType);
2125 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
2126                                      LLVMTypeRef ToType);
2127 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
2128                                   LLVMTypeRef ToType);
2129 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
2130                               LLVMBool isSigned);
2131 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2132 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
2133                              LLVMValueRef ConstantIfTrue,
2134                              LLVMValueRef ConstantIfFalse);
2135 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
2136                                      LLVMValueRef IndexConstant);
2137 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
2138                                     LLVMValueRef ElementValueConstant,
2139                                     LLVMValueRef IndexConstant);
2140 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
2141                                     LLVMValueRef VectorBConstant,
2142                                     LLVMValueRef MaskConstant);
2143 LLVMValueRef LLVMConstExtractValue(LLVMValueRef AggConstant, unsigned *IdxList,
2144                                    unsigned NumIdx);
2145 LLVMValueRef LLVMConstInsertValue(LLVMValueRef AggConstant,
2146                                   LLVMValueRef ElementValueConstant,
2147                                   unsigned *IdxList, unsigned NumIdx);
2148 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB);
2149 
2150 /** Deprecated: Use LLVMGetInlineAsm instead. */
2151 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty,
2152                                 const char *AsmString, const char *Constraints,
2153                                 LLVMBool HasSideEffects, LLVMBool IsAlignStack);
2154 
2155 /**
2156  * @}
2157  */
2158 
2159 /**
2160  * @defgroup LLVMCCoreValueConstantGlobals Global Values
2161  *
2162  * This group contains functions that operate on global values. Functions in
2163  * this group relate to functions in the llvm::GlobalValue class tree.
2164  *
2165  * @see llvm::GlobalValue
2166  *
2167  * @{
2168  */
2169 
2170 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global);
2171 LLVMBool LLVMIsDeclaration(LLVMValueRef Global);
2172 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global);
2173 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage);
2174 const char *LLVMGetSection(LLVMValueRef Global);
2175 void LLVMSetSection(LLVMValueRef Global, const char *Section);
2176 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
2177 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
2178 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global);
2179 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class);
2180 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global);
2181 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr);
2182 
2183 /**
2184  * Returns the "value type" of a global value.  This differs from the formal
2185  * type of a global value which is always a pointer type.
2186  *
2187  * @see llvm::GlobalValue::getValueType()
2188  */
2189 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global);
2190 
2191 /** Deprecated: Use LLVMGetUnnamedAddress instead. */
2192 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global);
2193 /** Deprecated: Use LLVMSetUnnamedAddress instead. */
2194 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr);
2195 
2196 /**
2197  * @defgroup LLVMCCoreValueWithAlignment Values with alignment
2198  *
2199  * Functions in this group only apply to values with alignment, i.e.
2200  * global variables, load and store instructions.
2201  */
2202 
2203 /**
2204  * Obtain the preferred alignment of the value.
2205  * @see llvm::AllocaInst::getAlignment()
2206  * @see llvm::LoadInst::getAlignment()
2207  * @see llvm::StoreInst::getAlignment()
2208  * @see llvm::GlobalValue::getAlignment()
2209  */
2210 unsigned LLVMGetAlignment(LLVMValueRef V);
2211 
2212 /**
2213  * Set the preferred alignment of the value.
2214  * @see llvm::AllocaInst::setAlignment()
2215  * @see llvm::LoadInst::setAlignment()
2216  * @see llvm::StoreInst::setAlignment()
2217  * @see llvm::GlobalValue::setAlignment()
2218  */
2219 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes);
2220 
2221 /**
2222  * Sets a metadata attachment, erasing the existing metadata attachment if
2223  * it already exists for the given kind.
2224  *
2225  * @see llvm::GlobalObject::setMetadata()
2226  */
2227 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2228                            LLVMMetadataRef MD);
2229 
2230 /**
2231  * Erases a metadata attachment of the given kind if it exists.
2232  *
2233  * @see llvm::GlobalObject::eraseMetadata()
2234  */
2235 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind);
2236 
2237 /**
2238  * Removes all metadata attachments from this value.
2239  *
2240  * @see llvm::GlobalObject::clearMetadata()
2241  */
2242 void LLVMGlobalClearMetadata(LLVMValueRef Global);
2243 
2244 /**
2245  * Retrieves an array of metadata entries representing the metadata attached to
2246  * this value. The caller is responsible for freeing this array by calling
2247  * \c LLVMDisposeValueMetadataEntries.
2248  *
2249  * @see llvm::GlobalObject::getAllMetadata()
2250  */
2251 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2252                                                   size_t *NumEntries);
2253 
2254 /**
2255  * Destroys value metadata entries.
2256  */
2257 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries);
2258 
2259 /**
2260  * Returns the kind of a value metadata entry at a specific index.
2261  */
2262 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2263                                          unsigned Index);
2264 
2265 /**
2266  * Returns the underlying metadata node of a value metadata entry at a
2267  * specific index.
2268  */
2269 LLVMMetadataRef
2270 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2271                                     unsigned Index);
2272 
2273 /**
2274  * @}
2275  */
2276 
2277 /**
2278  * @defgroup LLVMCoreValueConstantGlobalVariable Global Variables
2279  *
2280  * This group contains functions that operate on global variable values.
2281  *
2282  * @see llvm::GlobalVariable
2283  *
2284  * @{
2285  */
2286 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name);
2287 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2288                                          const char *Name,
2289                                          unsigned AddressSpace);
2290 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name);
2291 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M);
2292 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M);
2293 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar);
2294 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar);
2295 void LLVMDeleteGlobal(LLVMValueRef GlobalVar);
2296 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar);
2297 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal);
2298 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar);
2299 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal);
2300 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar);
2301 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant);
2302 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar);
2303 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode);
2304 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar);
2305 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit);
2306 
2307 /**
2308  * @}
2309  */
2310 
2311 /**
2312  * @defgroup LLVMCoreValueConstantGlobalAlias Global Aliases
2313  *
2314  * This group contains function that operate on global alias values.
2315  *
2316  * @see llvm::GlobalAlias
2317  *
2318  * @{
2319  */
2320 LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty, LLVMValueRef Aliasee,
2321                           const char *Name);
2322 
2323 /**
2324  * Obtain a GlobalAlias value from a Module by its name.
2325  *
2326  * The returned value corresponds to a llvm::GlobalAlias value.
2327  *
2328  * @see llvm::Module::getNamedAlias()
2329  */
2330 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2331                                      const char *Name, size_t NameLen);
2332 
2333 /**
2334  * Obtain an iterator to the first GlobalAlias in a Module.
2335  *
2336  * @see llvm::Module::alias_begin()
2337  */
2338 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M);
2339 
2340 /**
2341  * Obtain an iterator to the last GlobalAlias in a Module.
2342  *
2343  * @see llvm::Module::alias_end()
2344  */
2345 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M);
2346 
2347 /**
2348  * Advance a GlobalAlias iterator to the next GlobalAlias.
2349  *
2350  * Returns NULL if the iterator was already at the end and there are no more
2351  * global aliases.
2352  */
2353 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA);
2354 
2355 /**
2356  * Decrement a GlobalAlias iterator to the previous GlobalAlias.
2357  *
2358  * Returns NULL if the iterator was already at the beginning and there are
2359  * no previous global aliases.
2360  */
2361 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA);
2362 
2363 /**
2364  * Retrieve the target value of an alias.
2365  */
2366 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias);
2367 
2368 /**
2369  * Set the target value of an alias.
2370  */
2371 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee);
2372 
2373 /**
2374  * @}
2375  */
2376 
2377 /**
2378  * @defgroup LLVMCCoreValueFunction Function values
2379  *
2380  * Functions in this group operate on LLVMValueRef instances that
2381  * correspond to llvm::Function instances.
2382  *
2383  * @see llvm::Function
2384  *
2385  * @{
2386  */
2387 
2388 /**
2389  * Remove a function from its containing module and deletes it.
2390  *
2391  * @see llvm::Function::eraseFromParent()
2392  */
2393 void LLVMDeleteFunction(LLVMValueRef Fn);
2394 
2395 /**
2396  * Check whether the given function has a personality function.
2397  *
2398  * @see llvm::Function::hasPersonalityFn()
2399  */
2400 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn);
2401 
2402 /**
2403  * Obtain the personality function attached to the function.
2404  *
2405  * @see llvm::Function::getPersonalityFn()
2406  */
2407 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn);
2408 
2409 /**
2410  * Set the personality function attached to the function.
2411  *
2412  * @see llvm::Function::setPersonalityFn()
2413  */
2414 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn);
2415 
2416 /**
2417  * Obtain the intrinsic ID number which matches the given function name.
2418  *
2419  * @see llvm::Function::lookupIntrinsicID()
2420  */
2421 unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen);
2422 
2423 /**
2424  * Obtain the ID number from a function instance.
2425  *
2426  * @see llvm::Function::getIntrinsicID()
2427  */
2428 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn);
2429 
2430 /**
2431  * Create or insert the declaration of an intrinsic.  For overloaded intrinsics,
2432  * parameter types must be provided to uniquely identify an overload.
2433  *
2434  * @see llvm::Intrinsic::getDeclaration()
2435  */
2436 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2437                                          unsigned ID,
2438                                          LLVMTypeRef *ParamTypes,
2439                                          size_t ParamCount);
2440 
2441 /**
2442  * Retrieves the type of an intrinsic.  For overloaded intrinsics, parameter
2443  * types must be provided to uniquely identify an overload.
2444  *
2445  * @see llvm::Intrinsic::getType()
2446  */
2447 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2448                                  LLVMTypeRef *ParamTypes, size_t ParamCount);
2449 
2450 /**
2451  * Retrieves the name of an intrinsic.
2452  *
2453  * @see llvm::Intrinsic::getName()
2454  */
2455 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength);
2456 
2457 /**
2458  * Copies the name of an overloaded intrinsic identified by a given list of
2459  * parameter types.
2460  *
2461  * Unlike LLVMIntrinsicGetName, the caller is responsible for freeing the
2462  * returned string.
2463  *
2464  * @see llvm::Intrinsic::getName()
2465  */
2466 const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
2467                                             LLVMTypeRef *ParamTypes,
2468                                             size_t ParamCount,
2469                                             size_t *NameLength);
2470 
2471 /**
2472  * Obtain if the intrinsic identified by the given ID is overloaded.
2473  *
2474  * @see llvm::Intrinsic::isOverloaded()
2475  */
2476 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID);
2477 
2478 /**
2479  * Obtain the calling function of a function.
2480  *
2481  * The returned value corresponds to the LLVMCallConv enumeration.
2482  *
2483  * @see llvm::Function::getCallingConv()
2484  */
2485 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn);
2486 
2487 /**
2488  * Set the calling convention of a function.
2489  *
2490  * @see llvm::Function::setCallingConv()
2491  *
2492  * @param Fn Function to operate on
2493  * @param CC LLVMCallConv to set calling convention to
2494  */
2495 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC);
2496 
2497 /**
2498  * Obtain the name of the garbage collector to use during code
2499  * generation.
2500  *
2501  * @see llvm::Function::getGC()
2502  */
2503 const char *LLVMGetGC(LLVMValueRef Fn);
2504 
2505 /**
2506  * Define the garbage collector to use during code generation.
2507  *
2508  * @see llvm::Function::setGC()
2509  */
2510 void LLVMSetGC(LLVMValueRef Fn, const char *Name);
2511 
2512 /**
2513  * Add an attribute to a function.
2514  *
2515  * @see llvm::Function::addAttribute()
2516  */
2517 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2518                              LLVMAttributeRef A);
2519 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx);
2520 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2521                               LLVMAttributeRef *Attrs);
2522 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2523                                              LLVMAttributeIndex Idx,
2524                                              unsigned KindID);
2525 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2526                                                LLVMAttributeIndex Idx,
2527                                                const char *K, unsigned KLen);
2528 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2529                                     unsigned KindID);
2530 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2531                                       const char *K, unsigned KLen);
2532 
2533 /**
2534  * Add a target-dependent attribute to a function
2535  * @see llvm::AttrBuilder::addAttribute()
2536  */
2537 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2538                                         const char *V);
2539 
2540 /**
2541  * @defgroup LLVMCCoreValueFunctionParameters Function Parameters
2542  *
2543  * Functions in this group relate to arguments/parameters on functions.
2544  *
2545  * Functions in this group expect LLVMValueRef instances that correspond
2546  * to llvm::Function instances.
2547  *
2548  * @{
2549  */
2550 
2551 /**
2552  * Obtain the number of parameters in a function.
2553  *
2554  * @see llvm::Function::arg_size()
2555  */
2556 unsigned LLVMCountParams(LLVMValueRef Fn);
2557 
2558 /**
2559  * Obtain the parameters in a function.
2560  *
2561  * The takes a pointer to a pre-allocated array of LLVMValueRef that is
2562  * at least LLVMCountParams() long. This array will be filled with
2563  * LLVMValueRef instances which correspond to the parameters the
2564  * function receives. Each LLVMValueRef corresponds to a llvm::Argument
2565  * instance.
2566  *
2567  * @see llvm::Function::arg_begin()
2568  */
2569 void LLVMGetParams(LLVMValueRef Fn, LLVMValueRef *Params);
2570 
2571 /**
2572  * Obtain the parameter at the specified index.
2573  *
2574  * Parameters are indexed from 0.
2575  *
2576  * @see llvm::Function::arg_begin()
2577  */
2578 LLVMValueRef LLVMGetParam(LLVMValueRef Fn, unsigned Index);
2579 
2580 /**
2581  * Obtain the function to which this argument belongs.
2582  *
2583  * Unlike other functions in this group, this one takes an LLVMValueRef
2584  * that corresponds to a llvm::Attribute.
2585  *
2586  * The returned LLVMValueRef is the llvm::Function to which this
2587  * argument belongs.
2588  */
2589 LLVMValueRef LLVMGetParamParent(LLVMValueRef Inst);
2590 
2591 /**
2592  * Obtain the first parameter to a function.
2593  *
2594  * @see llvm::Function::arg_begin()
2595  */
2596 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn);
2597 
2598 /**
2599  * Obtain the last parameter to a function.
2600  *
2601  * @see llvm::Function::arg_end()
2602  */
2603 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn);
2604 
2605 /**
2606  * Obtain the next parameter to a function.
2607  *
2608  * This takes an LLVMValueRef obtained from LLVMGetFirstParam() (which is
2609  * actually a wrapped iterator) and obtains the next parameter from the
2610  * underlying iterator.
2611  */
2612 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg);
2613 
2614 /**
2615  * Obtain the previous parameter to a function.
2616  *
2617  * This is the opposite of LLVMGetNextParam().
2618  */
2619 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg);
2620 
2621 /**
2622  * Set the alignment for a function parameter.
2623  *
2624  * @see llvm::Argument::addAttr()
2625  * @see llvm::AttrBuilder::addAlignmentAttr()
2626  */
2627 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned Align);
2628 
2629 /**
2630  * @}
2631  */
2632 
2633 /**
2634  * @defgroup LLVMCCoreValueGlobalIFunc IFuncs
2635  *
2636  * Functions in this group relate to indirect functions.
2637  *
2638  * Functions in this group expect LLVMValueRef instances that correspond
2639  * to llvm::GlobalIFunc instances.
2640  *
2641  * @{
2642  */
2643 
2644 /**
2645  * Add a global indirect function to a module under a specified name.
2646  *
2647  * @see llvm::GlobalIFunc::create()
2648  */
2649 LLVMValueRef LLVMAddGlobalIFunc(LLVMModuleRef M,
2650                                 const char *Name, size_t NameLen,
2651                                 LLVMTypeRef Ty, unsigned AddrSpace,
2652                                 LLVMValueRef Resolver);
2653 
2654 /**
2655  * Obtain a GlobalIFunc value from a Module by its name.
2656  *
2657  * The returned value corresponds to a llvm::GlobalIFunc value.
2658  *
2659  * @see llvm::Module::getNamedIFunc()
2660  */
2661 LLVMValueRef LLVMGetNamedGlobalIFunc(LLVMModuleRef M,
2662                                      const char *Name, size_t NameLen);
2663 
2664 /**
2665  * Obtain an iterator to the first GlobalIFunc in a Module.
2666  *
2667  * @see llvm::Module::ifunc_begin()
2668  */
2669 LLVMValueRef LLVMGetFirstGlobalIFunc(LLVMModuleRef M);
2670 
2671 /**
2672  * Obtain an iterator to the last GlobalIFunc in a Module.
2673  *
2674  * @see llvm::Module::ifunc_end()
2675  */
2676 LLVMValueRef LLVMGetLastGlobalIFunc(LLVMModuleRef M);
2677 
2678 /**
2679  * Advance a GlobalIFunc iterator to the next GlobalIFunc.
2680  *
2681  * Returns NULL if the iterator was already at the end and there are no more
2682  * global aliases.
2683  */
2684 LLVMValueRef LLVMGetNextGlobalIFunc(LLVMValueRef IFunc);
2685 
2686 /**
2687  * Decrement a GlobalIFunc iterator to the previous GlobalIFunc.
2688  *
2689  * Returns NULL if the iterator was already at the beginning and there are
2690  * no previous global aliases.
2691  */
2692 LLVMValueRef LLVMGetPreviousGlobalIFunc(LLVMValueRef IFunc);
2693 
2694 /**
2695  * Retrieves the resolver function associated with this indirect function, or
2696  * NULL if it doesn't not exist.
2697  *
2698  * @see llvm::GlobalIFunc::getResolver()
2699  */
2700 LLVMValueRef LLVMGetGlobalIFuncResolver(LLVMValueRef IFunc);
2701 
2702 /**
2703  * Sets the resolver function associated with this indirect function.
2704  *
2705  * @see llvm::GlobalIFunc::setResolver()
2706  */
2707 void LLVMSetGlobalIFuncResolver(LLVMValueRef IFunc, LLVMValueRef Resolver);
2708 
2709 /**
2710  * Remove a global indirect function from its parent module and delete it.
2711  *
2712  * @see llvm::GlobalIFunc::eraseFromParent()
2713  */
2714 void LLVMEraseGlobalIFunc(LLVMValueRef IFunc);
2715 
2716 /**
2717  * Remove a global indirect function from its parent module.
2718  *
2719  * This unlinks the global indirect function from its containing module but
2720  * keeps it alive.
2721  *
2722  * @see llvm::GlobalIFunc::removeFromParent()
2723  */
2724 void LLVMRemoveGlobalIFunc(LLVMValueRef IFunc);
2725 
2726 /**
2727  * @}
2728  */
2729 
2730 /**
2731  * @}
2732  */
2733 
2734 /**
2735  * @}
2736  */
2737 
2738 /**
2739  * @}
2740  */
2741 
2742 /**
2743  * @defgroup LLVMCCoreValueMetadata Metadata
2744  *
2745  * @{
2746  */
2747 
2748 /**
2749  * Create an MDString value from a given string value.
2750  *
2751  * The MDString value does not take ownership of the given string, it remains
2752  * the responsibility of the caller to free it.
2753  *
2754  * @see llvm::MDString::get()
2755  */
2756 LLVMMetadataRef LLVMMDStringInContext2(LLVMContextRef C, const char *Str,
2757                                        size_t SLen);
2758 
2759 /**
2760  * Create an MDNode value with the given array of operands.
2761  *
2762  * @see llvm::MDNode::get()
2763  */
2764 LLVMMetadataRef LLVMMDNodeInContext2(LLVMContextRef C, LLVMMetadataRef *MDs,
2765                                      size_t Count);
2766 
2767 /**
2768  * Obtain a Metadata as a Value.
2769  */
2770 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD);
2771 
2772 /**
2773  * Obtain a Value as a Metadata.
2774  */
2775 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val);
2776 
2777 /**
2778  * Obtain the underlying string from a MDString value.
2779  *
2780  * @param V Instance to obtain string from.
2781  * @param Length Memory address which will hold length of returned string.
2782  * @return String data in MDString.
2783  */
2784 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length);
2785 
2786 /**
2787  * Obtain the number of operands from an MDNode value.
2788  *
2789  * @param V MDNode to get number of operands from.
2790  * @return Number of operands of the MDNode.
2791  */
2792 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V);
2793 
2794 /**
2795  * Obtain the given MDNode's operands.
2796  *
2797  * The passed LLVMValueRef pointer should point to enough memory to hold all of
2798  * the operands of the given MDNode (see LLVMGetMDNodeNumOperands) as
2799  * LLVMValueRefs. This memory will be populated with the LLVMValueRefs of the
2800  * MDNode's operands.
2801  *
2802  * @param V MDNode to get the operands from.
2803  * @param Dest Destination array for operands.
2804  */
2805 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest);
2806 
2807 /** Deprecated: Use LLVMMDStringInContext2 instead. */
2808 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
2809                                    unsigned SLen);
2810 /** Deprecated: Use LLVMMDStringInContext2 instead. */
2811 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen);
2812 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
2813 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
2814                                  unsigned Count);
2815 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
2816 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count);
2817 
2818 /**
2819  * @}
2820  */
2821 
2822 /**
2823  * @defgroup LLVMCCoreValueBasicBlock Basic Block
2824  *
2825  * A basic block represents a single entry single exit section of code.
2826  * Basic blocks contain a list of instructions which form the body of
2827  * the block.
2828  *
2829  * Basic blocks belong to functions. They have the type of label.
2830  *
2831  * Basic blocks are themselves values. However, the C API models them as
2832  * LLVMBasicBlockRef.
2833  *
2834  * @see llvm::BasicBlock
2835  *
2836  * @{
2837  */
2838 
2839 /**
2840  * Convert a basic block instance to a value type.
2841  */
2842 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB);
2843 
2844 /**
2845  * Determine whether an LLVMValueRef is itself a basic block.
2846  */
2847 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val);
2848 
2849 /**
2850  * Convert an LLVMValueRef to an LLVMBasicBlockRef instance.
2851  */
2852 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val);
2853 
2854 /**
2855  * Obtain the string name of a basic block.
2856  */
2857 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB);
2858 
2859 /**
2860  * Obtain the function to which a basic block belongs.
2861  *
2862  * @see llvm::BasicBlock::getParent()
2863  */
2864 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB);
2865 
2866 /**
2867  * Obtain the terminator instruction for a basic block.
2868  *
2869  * If the basic block does not have a terminator (it is not well-formed
2870  * if it doesn't), then NULL is returned.
2871  *
2872  * The returned LLVMValueRef corresponds to an llvm::Instruction.
2873  *
2874  * @see llvm::BasicBlock::getTerminator()
2875  */
2876 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB);
2877 
2878 /**
2879  * Obtain the number of basic blocks in a function.
2880  *
2881  * @param Fn Function value to operate on.
2882  */
2883 unsigned LLVMCountBasicBlocks(LLVMValueRef Fn);
2884 
2885 /**
2886  * Obtain all of the basic blocks in a function.
2887  *
2888  * This operates on a function value. The BasicBlocks parameter is a
2889  * pointer to a pre-allocated array of LLVMBasicBlockRef of at least
2890  * LLVMCountBasicBlocks() in length. This array is populated with
2891  * LLVMBasicBlockRef instances.
2892  */
2893 void LLVMGetBasicBlocks(LLVMValueRef Fn, LLVMBasicBlockRef *BasicBlocks);
2894 
2895 /**
2896  * Obtain the first basic block in a function.
2897  *
2898  * The returned basic block can be used as an iterator. You will likely
2899  * eventually call into LLVMGetNextBasicBlock() with it.
2900  *
2901  * @see llvm::Function::begin()
2902  */
2903 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn);
2904 
2905 /**
2906  * Obtain the last basic block in a function.
2907  *
2908  * @see llvm::Function::end()
2909  */
2910 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn);
2911 
2912 /**
2913  * Advance a basic block iterator.
2914  */
2915 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB);
2916 
2917 /**
2918  * Go backwards in a basic block iterator.
2919  */
2920 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB);
2921 
2922 /**
2923  * Obtain the basic block that corresponds to the entry point of a
2924  * function.
2925  *
2926  * @see llvm::Function::getEntryBlock()
2927  */
2928 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn);
2929 
2930 /**
2931  * Insert the given basic block after the insertion point of the given builder.
2932  *
2933  * The insertion point must be valid.
2934  *
2935  * @see llvm::Function::BasicBlockListType::insertAfter()
2936  */
2937 void LLVMInsertExistingBasicBlockAfterInsertBlock(LLVMBuilderRef Builder,
2938                                                   LLVMBasicBlockRef BB);
2939 
2940 /**
2941  * Append the given basic block to the basic block list of the given function.
2942  *
2943  * @see llvm::Function::BasicBlockListType::push_back()
2944  */
2945 void LLVMAppendExistingBasicBlock(LLVMValueRef Fn,
2946                                   LLVMBasicBlockRef BB);
2947 
2948 /**
2949  * Create a new basic block without inserting it into a function.
2950  *
2951  * @see llvm::BasicBlock::Create()
2952  */
2953 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
2954                                                 const char *Name);
2955 
2956 /**
2957  * Append a basic block to the end of a function.
2958  *
2959  * @see llvm::BasicBlock::Create()
2960  */
2961 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
2962                                                 LLVMValueRef Fn,
2963                                                 const char *Name);
2964 
2965 /**
2966  * Append a basic block to the end of a function using the global
2967  * context.
2968  *
2969  * @see llvm::BasicBlock::Create()
2970  */
2971 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef Fn, const char *Name);
2972 
2973 /**
2974  * Insert a basic block in a function before another basic block.
2975  *
2976  * The function to add to is determined by the function of the
2977  * passed basic block.
2978  *
2979  * @see llvm::BasicBlock::Create()
2980  */
2981 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
2982                                                 LLVMBasicBlockRef BB,
2983                                                 const char *Name);
2984 
2985 /**
2986  * Insert a basic block in a function using the global context.
2987  *
2988  * @see llvm::BasicBlock::Create()
2989  */
2990 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef InsertBeforeBB,
2991                                        const char *Name);
2992 
2993 /**
2994  * Remove a basic block from a function and delete it.
2995  *
2996  * This deletes the basic block from its containing function and deletes
2997  * the basic block itself.
2998  *
2999  * @see llvm::BasicBlock::eraseFromParent()
3000  */
3001 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BB);
3002 
3003 /**
3004  * Remove a basic block from a function.
3005  *
3006  * This deletes the basic block from its containing function but keep
3007  * the basic block alive.
3008  *
3009  * @see llvm::BasicBlock::removeFromParent()
3010  */
3011 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BB);
3012 
3013 /**
3014  * Move a basic block to before another one.
3015  *
3016  * @see llvm::BasicBlock::moveBefore()
3017  */
3018 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3019 
3020 /**
3021  * Move a basic block to after another one.
3022  *
3023  * @see llvm::BasicBlock::moveAfter()
3024  */
3025 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3026 
3027 /**
3028  * Obtain the first instruction in a basic block.
3029  *
3030  * The returned LLVMValueRef corresponds to a llvm::Instruction
3031  * instance.
3032  */
3033 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB);
3034 
3035 /**
3036  * Obtain the last instruction in a basic block.
3037  *
3038  * The returned LLVMValueRef corresponds to an LLVM:Instruction.
3039  */
3040 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB);
3041 
3042 /**
3043  * @}
3044  */
3045 
3046 /**
3047  * @defgroup LLVMCCoreValueInstruction Instructions
3048  *
3049  * Functions in this group relate to the inspection and manipulation of
3050  * individual instructions.
3051  *
3052  * In the C++ API, an instruction is modeled by llvm::Instruction. This
3053  * class has a large number of descendents. llvm::Instruction is a
3054  * llvm::Value and in the C API, instructions are modeled by
3055  * LLVMValueRef.
3056  *
3057  * This group also contains sub-groups which operate on specific
3058  * llvm::Instruction types, e.g. llvm::CallInst.
3059  *
3060  * @{
3061  */
3062 
3063 /**
3064  * Determine whether an instruction has any metadata attached.
3065  */
3066 int LLVMHasMetadata(LLVMValueRef Val);
3067 
3068 /**
3069  * Return metadata associated with an instruction value.
3070  */
3071 LLVMValueRef LLVMGetMetadata(LLVMValueRef Val, unsigned KindID);
3072 
3073 /**
3074  * Set metadata associated with an instruction value.
3075  */
3076 void LLVMSetMetadata(LLVMValueRef Val, unsigned KindID, LLVMValueRef Node);
3077 
3078 /**
3079  * Returns the metadata associated with an instruction value, but filters out
3080  * all the debug locations.
3081  *
3082  * @see llvm::Instruction::getAllMetadataOtherThanDebugLoc()
3083  */
3084 LLVMValueMetadataEntry *
3085 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Instr,
3086                                                size_t *NumEntries);
3087 
3088 /**
3089  * Obtain the basic block to which an instruction belongs.
3090  *
3091  * @see llvm::Instruction::getParent()
3092  */
3093 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst);
3094 
3095 /**
3096  * Obtain the instruction that occurs after the one specified.
3097  *
3098  * The next instruction will be from the same basic block.
3099  *
3100  * If this is the last instruction in a basic block, NULL will be
3101  * returned.
3102  */
3103 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst);
3104 
3105 /**
3106  * Obtain the instruction that occurred before this one.
3107  *
3108  * If the instruction is the first instruction in a basic block, NULL
3109  * will be returned.
3110  */
3111 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst);
3112 
3113 /**
3114  * Remove and delete an instruction.
3115  *
3116  * The instruction specified is removed from its containing building
3117  * block but is kept alive.
3118  *
3119  * @see llvm::Instruction::removeFromParent()
3120  */
3121 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst);
3122 
3123 /**
3124  * Remove and delete an instruction.
3125  *
3126  * The instruction specified is removed from its containing building
3127  * block and then deleted.
3128  *
3129  * @see llvm::Instruction::eraseFromParent()
3130  */
3131 void LLVMInstructionEraseFromParent(LLVMValueRef Inst);
3132 
3133 /**
3134  * Obtain the code opcode for an individual instruction.
3135  *
3136  * @see llvm::Instruction::getOpCode()
3137  */
3138 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst);
3139 
3140 /**
3141  * Obtain the predicate of an instruction.
3142  *
3143  * This is only valid for instructions that correspond to llvm::ICmpInst
3144  * or llvm::ConstantExpr whose opcode is llvm::Instruction::ICmp.
3145  *
3146  * @see llvm::ICmpInst::getPredicate()
3147  */
3148 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst);
3149 
3150 /**
3151  * Obtain the float predicate of an instruction.
3152  *
3153  * This is only valid for instructions that correspond to llvm::FCmpInst
3154  * or llvm::ConstantExpr whose opcode is llvm::Instruction::FCmp.
3155  *
3156  * @see llvm::FCmpInst::getPredicate()
3157  */
3158 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst);
3159 
3160 /**
3161  * Create a copy of 'this' instruction that is identical in all ways
3162  * except the following:
3163  *   * The instruction has no parent
3164  *   * The instruction has no name
3165  *
3166  * @see llvm::Instruction::clone()
3167  */
3168 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst);
3169 
3170 /**
3171  * Determine whether an instruction is a terminator. This routine is named to
3172  * be compatible with historical functions that did this by querying the
3173  * underlying C++ type.
3174  *
3175  * @see llvm::Instruction::isTerminator()
3176  */
3177 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst);
3178 
3179 /**
3180  * @defgroup LLVMCCoreValueInstructionCall Call Sites and Invocations
3181  *
3182  * Functions in this group apply to instructions that refer to call
3183  * sites and invocations. These correspond to C++ types in the
3184  * llvm::CallInst class tree.
3185  *
3186  * @{
3187  */
3188 
3189 /**
3190  * Obtain the argument count for a call instruction.
3191  *
3192  * This expects an LLVMValueRef that corresponds to a llvm::CallInst,
3193  * llvm::InvokeInst, or llvm:FuncletPadInst.
3194  *
3195  * @see llvm::CallInst::getNumArgOperands()
3196  * @see llvm::InvokeInst::getNumArgOperands()
3197  * @see llvm::FuncletPadInst::getNumArgOperands()
3198  */
3199 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr);
3200 
3201 /**
3202  * Set the calling convention for a call instruction.
3203  *
3204  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3205  * llvm::InvokeInst.
3206  *
3207  * @see llvm::CallInst::setCallingConv()
3208  * @see llvm::InvokeInst::setCallingConv()
3209  */
3210 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC);
3211 
3212 /**
3213  * Obtain the calling convention for a call instruction.
3214  *
3215  * This is the opposite of LLVMSetInstructionCallConv(). Reads its
3216  * usage.
3217  *
3218  * @see LLVMSetInstructionCallConv()
3219  */
3220 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr);
3221 
3222 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, unsigned index,
3223                                 unsigned Align);
3224 
3225 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3226                               LLVMAttributeRef A);
3227 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C, LLVMAttributeIndex Idx);
3228 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
3229                                LLVMAttributeRef *Attrs);
3230 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
3231                                               LLVMAttributeIndex Idx,
3232                                               unsigned KindID);
3233 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
3234                                                 LLVMAttributeIndex Idx,
3235                                                 const char *K, unsigned KLen);
3236 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3237                                      unsigned KindID);
3238 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3239                                        const char *K, unsigned KLen);
3240 
3241 /**
3242  * Obtain the function type called by this instruction.
3243  *
3244  * @see llvm::CallBase::getFunctionType()
3245  */
3246 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef C);
3247 
3248 /**
3249  * Obtain the pointer to the function invoked by this instruction.
3250  *
3251  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3252  * llvm::InvokeInst.
3253  *
3254  * @see llvm::CallInst::getCalledValue()
3255  * @see llvm::InvokeInst::getCalledValue()
3256  */
3257 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr);
3258 
3259 /**
3260  * Obtain whether a call instruction is a tail call.
3261  *
3262  * This only works on llvm::CallInst instructions.
3263  *
3264  * @see llvm::CallInst::isTailCall()
3265  */
3266 LLVMBool LLVMIsTailCall(LLVMValueRef CallInst);
3267 
3268 /**
3269  * Set whether a call instruction is a tail call.
3270  *
3271  * This only works on llvm::CallInst instructions.
3272  *
3273  * @see llvm::CallInst::setTailCall()
3274  */
3275 void LLVMSetTailCall(LLVMValueRef CallInst, LLVMBool IsTailCall);
3276 
3277 /**
3278  * Return the normal destination basic block.
3279  *
3280  * This only works on llvm::InvokeInst instructions.
3281  *
3282  * @see llvm::InvokeInst::getNormalDest()
3283  */
3284 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef InvokeInst);
3285 
3286 /**
3287  * Return the unwind destination basic block.
3288  *
3289  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3290  * llvm::CatchSwitchInst instructions.
3291  *
3292  * @see llvm::InvokeInst::getUnwindDest()
3293  * @see llvm::CleanupReturnInst::getUnwindDest()
3294  * @see llvm::CatchSwitchInst::getUnwindDest()
3295  */
3296 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef InvokeInst);
3297 
3298 /**
3299  * Set the normal destination basic block.
3300  *
3301  * This only works on llvm::InvokeInst instructions.
3302  *
3303  * @see llvm::InvokeInst::setNormalDest()
3304  */
3305 void LLVMSetNormalDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3306 
3307 /**
3308  * Set the unwind destination basic block.
3309  *
3310  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3311  * llvm::CatchSwitchInst instructions.
3312  *
3313  * @see llvm::InvokeInst::setUnwindDest()
3314  * @see llvm::CleanupReturnInst::setUnwindDest()
3315  * @see llvm::CatchSwitchInst::setUnwindDest()
3316  */
3317 void LLVMSetUnwindDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3318 
3319 /**
3320  * @}
3321  */
3322 
3323 /**
3324  * @defgroup LLVMCCoreValueInstructionTerminator Terminators
3325  *
3326  * Functions in this group only apply to instructions for which
3327  * LLVMIsATerminatorInst returns true.
3328  *
3329  * @{
3330  */
3331 
3332 /**
3333  * Return the number of successors that this terminator has.
3334  *
3335  * @see llvm::Instruction::getNumSuccessors
3336  */
3337 unsigned LLVMGetNumSuccessors(LLVMValueRef Term);
3338 
3339 /**
3340  * Return the specified successor.
3341  *
3342  * @see llvm::Instruction::getSuccessor
3343  */
3344 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i);
3345 
3346 /**
3347  * Update the specified successor to point at the provided block.
3348  *
3349  * @see llvm::Instruction::setSuccessor
3350  */
3351 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block);
3352 
3353 /**
3354  * Return if a branch is conditional.
3355  *
3356  * This only works on llvm::BranchInst instructions.
3357  *
3358  * @see llvm::BranchInst::isConditional
3359  */
3360 LLVMBool LLVMIsConditional(LLVMValueRef Branch);
3361 
3362 /**
3363  * Return the condition of a branch instruction.
3364  *
3365  * This only works on llvm::BranchInst instructions.
3366  *
3367  * @see llvm::BranchInst::getCondition
3368  */
3369 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch);
3370 
3371 /**
3372  * Set the condition of a branch instruction.
3373  *
3374  * This only works on llvm::BranchInst instructions.
3375  *
3376  * @see llvm::BranchInst::setCondition
3377  */
3378 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond);
3379 
3380 /**
3381  * Obtain the default destination basic block of a switch instruction.
3382  *
3383  * This only works on llvm::SwitchInst instructions.
3384  *
3385  * @see llvm::SwitchInst::getDefaultDest()
3386  */
3387 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef SwitchInstr);
3388 
3389 /**
3390  * @}
3391  */
3392 
3393 /**
3394  * @defgroup LLVMCCoreValueInstructionAlloca Allocas
3395  *
3396  * Functions in this group only apply to instructions that map to
3397  * llvm::AllocaInst instances.
3398  *
3399  * @{
3400  */
3401 
3402 /**
3403  * Obtain the type that is being allocated by the alloca instruction.
3404  */
3405 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca);
3406 
3407 /**
3408  * @}
3409  */
3410 
3411 /**
3412  * @defgroup LLVMCCoreValueInstructionGetElementPointer GEPs
3413  *
3414  * Functions in this group only apply to instructions that map to
3415  * llvm::GetElementPtrInst instances.
3416  *
3417  * @{
3418  */
3419 
3420 /**
3421  * Check whether the given GEP instruction is inbounds.
3422  */
3423 LLVMBool LLVMIsInBounds(LLVMValueRef GEP);
3424 
3425 /**
3426  * Set the given GEP instruction to be inbounds or not.
3427  */
3428 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds);
3429 
3430 /**
3431  * @}
3432  */
3433 
3434 /**
3435  * @defgroup LLVMCCoreValueInstructionPHINode PHI Nodes
3436  *
3437  * Functions in this group only apply to instructions that map to
3438  * llvm::PHINode instances.
3439  *
3440  * @{
3441  */
3442 
3443 /**
3444  * Add an incoming value to the end of a PHI list.
3445  */
3446 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3447                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count);
3448 
3449 /**
3450  * Obtain the number of incoming basic blocks to a PHI node.
3451  */
3452 unsigned LLVMCountIncoming(LLVMValueRef PhiNode);
3453 
3454 /**
3455  * Obtain an incoming value to a PHI node as an LLVMValueRef.
3456  */
3457 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index);
3458 
3459 /**
3460  * Obtain an incoming value to a PHI node as an LLVMBasicBlockRef.
3461  */
3462 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index);
3463 
3464 /**
3465  * @}
3466  */
3467 
3468 /**
3469  * @defgroup LLVMCCoreValueInstructionExtractValue ExtractValue
3470  * @defgroup LLVMCCoreValueInstructionInsertValue InsertValue
3471  *
3472  * Functions in this group only apply to instructions that map to
3473  * llvm::ExtractValue and llvm::InsertValue instances.
3474  *
3475  * @{
3476  */
3477 
3478 /**
3479  * Obtain the number of indices.
3480  * NB: This also works on GEP.
3481  */
3482 unsigned LLVMGetNumIndices(LLVMValueRef Inst);
3483 
3484 /**
3485  * Obtain the indices as an array.
3486  */
3487 const unsigned *LLVMGetIndices(LLVMValueRef Inst);
3488 
3489 /**
3490  * @}
3491  */
3492 
3493 /**
3494  * @}
3495  */
3496 
3497 /**
3498  * @}
3499  */
3500 
3501 /**
3502  * @defgroup LLVMCCoreInstructionBuilder Instruction Builders
3503  *
3504  * An instruction builder represents a point within a basic block and is
3505  * the exclusive means of building instructions using the C interface.
3506  *
3507  * @{
3508  */
3509 
3510 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C);
3511 LLVMBuilderRef LLVMCreateBuilder(void);
3512 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3513                          LLVMValueRef Instr);
3514 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr);
3515 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block);
3516 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder);
3517 void LLVMClearInsertionPosition(LLVMBuilderRef Builder);
3518 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr);
3519 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3520                                    const char *Name);
3521 void LLVMDisposeBuilder(LLVMBuilderRef Builder);
3522 
3523 /* Metadata */
3524 
3525 /**
3526  * Get location information used by debugging information.
3527  *
3528  * @see llvm::IRBuilder::getCurrentDebugLocation()
3529  */
3530 LLVMMetadataRef LLVMGetCurrentDebugLocation2(LLVMBuilderRef Builder);
3531 
3532 /**
3533  * Set location information used by debugging information.
3534  *
3535  * To clear the location metadata of the given instruction, pass NULL to \p Loc.
3536  *
3537  * @see llvm::IRBuilder::SetCurrentDebugLocation()
3538  */
3539 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Builder, LLVMMetadataRef Loc);
3540 
3541 /**
3542  * Attempts to set the debug location for the given instruction using the
3543  * current debug location for the given builder.  If the builder has no current
3544  * debug location, this function is a no-op.
3545  *
3546  * @see llvm::IRBuilder::SetInstDebugLocation()
3547  */
3548 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst);
3549 
3550 /**
3551  * Get the dafult floating-point math metadata for a given builder.
3552  *
3553  * @see llvm::IRBuilder::getDefaultFPMathTag()
3554  */
3555 LLVMMetadataRef LLVMBuilderGetDefaultFPMathTag(LLVMBuilderRef Builder);
3556 
3557 /**
3558  * Set the default floating-point math metadata for the given builder.
3559  *
3560  * To clear the metadata, pass NULL to \p FPMathTag.
3561  *
3562  * @see llvm::IRBuilder::setDefaultFPMathTag()
3563  */
3564 void LLVMBuilderSetDefaultFPMathTag(LLVMBuilderRef Builder,
3565                                     LLVMMetadataRef FPMathTag);
3566 
3567 /**
3568  * Deprecated: Passing the NULL location will crash.
3569  * Use LLVMGetCurrentDebugLocation2 instead.
3570  */
3571 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L);
3572 /**
3573  * Deprecated: Returning the NULL location will crash.
3574  * Use LLVMGetCurrentDebugLocation2 instead.
3575  */
3576 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder);
3577 
3578 /* Terminators */
3579 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef);
3580 LLVMValueRef LLVMBuildRet(LLVMBuilderRef, LLVMValueRef V);
3581 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef, LLVMValueRef *RetVals,
3582                                    unsigned N);
3583 LLVMValueRef LLVMBuildBr(LLVMBuilderRef, LLVMBasicBlockRef Dest);
3584 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef, LLVMValueRef If,
3585                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else);
3586 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef, LLVMValueRef V,
3587                              LLVMBasicBlockRef Else, unsigned NumCases);
3588 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3589                                  unsigned NumDests);
3590 // LLVMBuildInvoke is deprecated in favor of LLVMBuildInvoke2, in preparation
3591 // for opaque pointer types.
3592 LLVMValueRef LLVMBuildInvoke(LLVMBuilderRef, LLVMValueRef Fn,
3593                              LLVMValueRef *Args, unsigned NumArgs,
3594                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3595                              const char *Name);
3596 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef, LLVMTypeRef Ty, LLVMValueRef Fn,
3597                               LLVMValueRef *Args, unsigned NumArgs,
3598                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3599                               const char *Name);
3600 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef);
3601 
3602 /* Exception Handling */
3603 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn);
3604 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3605                                  LLVMValueRef PersFn, unsigned NumClauses,
3606                                  const char *Name);
3607 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3608                                  LLVMBasicBlockRef BB);
3609 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3610                                LLVMBasicBlockRef BB);
3611 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3612                                LLVMValueRef *Args, unsigned NumArgs,
3613                                const char *Name);
3614 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3615                                  LLVMValueRef *Args, unsigned NumArgs,
3616                                  const char *Name);
3617 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3618                                   LLVMBasicBlockRef UnwindBB,
3619                                   unsigned NumHandlers, const char *Name);
3620 
3621 /* Add a case to the switch instruction */
3622 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3623                  LLVMBasicBlockRef Dest);
3624 
3625 /* Add a destination to the indirectbr instruction */
3626 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest);
3627 
3628 /* Get the number of clauses on the landingpad instruction */
3629 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad);
3630 
3631 /* Get the value of the clause at idnex Idx on the landingpad instruction */
3632 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx);
3633 
3634 /* Add a catch or filter clause to the landingpad instruction */
3635 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal);
3636 
3637 /* Get the 'cleanup' flag in the landingpad instruction */
3638 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad);
3639 
3640 /* Set the 'cleanup' flag in the landingpad instruction */
3641 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val);
3642 
3643 /* Add a destination to the catchswitch instruction */
3644 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest);
3645 
3646 /* Get the number of handlers on the catchswitch instruction */
3647 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch);
3648 
3649 /**
3650  * Obtain the basic blocks acting as handlers for a catchswitch instruction.
3651  *
3652  * The Handlers parameter should point to a pre-allocated array of
3653  * LLVMBasicBlockRefs at least LLVMGetNumHandlers() large. On return, the
3654  * first LLVMGetNumHandlers() entries in the array will be populated
3655  * with LLVMBasicBlockRef instances.
3656  *
3657  * @param CatchSwitch The catchswitch instruction to operate on.
3658  * @param Handlers Memory address of an array to be filled with basic blocks.
3659  */
3660 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers);
3661 
3662 /* Funclets */
3663 
3664 /* Get the number of funcletpad arguments. */
3665 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i);
3666 
3667 /* Set a funcletpad argument at the given index. */
3668 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value);
3669 
3670 /**
3671  * Get the parent catchswitch instruction of a catchpad instruction.
3672  *
3673  * This only works on llvm::CatchPadInst instructions.
3674  *
3675  * @see llvm::CatchPadInst::getCatchSwitch()
3676  */
3677 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad);
3678 
3679 /**
3680  * Set the parent catchswitch instruction of a catchpad instruction.
3681  *
3682  * This only works on llvm::CatchPadInst instructions.
3683  *
3684  * @see llvm::CatchPadInst::setCatchSwitch()
3685  */
3686 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch);
3687 
3688 /* Arithmetic */
3689 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3690                           const char *Name);
3691 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3692                              const char *Name);
3693 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3694                              const char *Name);
3695 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3696                            const char *Name);
3697 LLVMValueRef LLVMBuildSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3698                           const char *Name);
3699 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3700                              const char *Name);
3701 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3702                              const char *Name);
3703 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3704                            const char *Name);
3705 LLVMValueRef LLVMBuildMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3706                           const char *Name);
3707 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3708                              const char *Name);
3709 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3710                              const char *Name);
3711 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3712                            const char *Name);
3713 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3714                            const char *Name);
3715 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3716                                 const char *Name);
3717 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3718                            const char *Name);
3719 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3720                                 const char *Name);
3721 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3722                            const char *Name);
3723 LLVMValueRef LLVMBuildURem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3724                            const char *Name);
3725 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3726                            const char *Name);
3727 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3728                            const char *Name);
3729 LLVMValueRef LLVMBuildShl(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3730                            const char *Name);
3731 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3732                            const char *Name);
3733 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3734                            const char *Name);
3735 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3736                           const char *Name);
3737 LLVMValueRef LLVMBuildOr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3738                           const char *Name);
3739 LLVMValueRef LLVMBuildXor(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3740                           const char *Name);
3741 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
3742                             LLVMValueRef LHS, LLVMValueRef RHS,
3743                             const char *Name);
3744 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3745 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
3746                              const char *Name);
3747 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
3748                              const char *Name);
3749 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3750 LLVMValueRef LLVMBuildNot(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3751 
3752 /* Memory */
3753 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3754 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef, LLVMTypeRef Ty,
3755                                   LLVMValueRef Val, const char *Name);
3756 
3757 /**
3758  * Creates and inserts a memset to the specified pointer and the
3759  * specified value.
3760  *
3761  * @see llvm::IRRBuilder::CreateMemSet()
3762  */
3763 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
3764                              LLVMValueRef Val, LLVMValueRef Len,
3765                              unsigned Align);
3766 /**
3767  * Creates and inserts a memcpy between the specified pointers.
3768  *
3769  * @see llvm::IRRBuilder::CreateMemCpy()
3770  */
3771 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
3772                              LLVMValueRef Dst, unsigned DstAlign,
3773                              LLVMValueRef Src, unsigned SrcAlign,
3774                              LLVMValueRef Size);
3775 /**
3776  * Creates and inserts a memmove between the specified pointers.
3777  *
3778  * @see llvm::IRRBuilder::CreateMemMove()
3779  */
3780 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
3781                               LLVMValueRef Dst, unsigned DstAlign,
3782                               LLVMValueRef Src, unsigned SrcAlign,
3783                               LLVMValueRef Size);
3784 
3785 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3786 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef, LLVMTypeRef Ty,
3787                                   LLVMValueRef Val, const char *Name);
3788 LLVMValueRef LLVMBuildFree(LLVMBuilderRef, LLVMValueRef PointerVal);
3789 // LLVMBuildLoad is deprecated in favor of LLVMBuildLoad2, in preparation for
3790 // opaque pointer types.
3791 LLVMValueRef LLVMBuildLoad(LLVMBuilderRef, LLVMValueRef PointerVal,
3792                            const char *Name);
3793 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef, LLVMTypeRef Ty,
3794                             LLVMValueRef PointerVal, const char *Name);
3795 LLVMValueRef LLVMBuildStore(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef Ptr);
3796 // LLVMBuildGEP, LLVMBuildInBoundsGEP, and LLVMBuildStructGEP are deprecated in
3797 // favor of LLVMBuild*GEP2, in preparation for opaque pointer types.
3798 LLVMValueRef LLVMBuildGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3799                           LLVMValueRef *Indices, unsigned NumIndices,
3800                           const char *Name);
3801 LLVMValueRef LLVMBuildInBoundsGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3802                                   LLVMValueRef *Indices, unsigned NumIndices,
3803                                   const char *Name);
3804 LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3805                                 unsigned Idx, const char *Name);
3806 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3807                            LLVMValueRef Pointer, LLVMValueRef *Indices,
3808                            unsigned NumIndices, const char *Name);
3809 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3810                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
3811                                    unsigned NumIndices, const char *Name);
3812 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3813                                  LLVMValueRef Pointer, unsigned Idx,
3814                                  const char *Name);
3815 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
3816                                    const char *Name);
3817 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
3818                                       const char *Name);
3819 LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
3820 void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
3821 LLVMBool LLVMGetWeak(LLVMValueRef CmpXchgInst);
3822 void LLVMSetWeak(LLVMValueRef CmpXchgInst, LLVMBool IsWeak);
3823 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemoryAccessInst);
3824 void LLVMSetOrdering(LLVMValueRef MemoryAccessInst, LLVMAtomicOrdering Ordering);
3825 LLVMAtomicRMWBinOp LLVMGetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst);
3826 void LLVMSetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst, LLVMAtomicRMWBinOp BinOp);
3827 
3828 /* Casts */
3829 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,
3830                             LLVMTypeRef DestTy, const char *Name);
3831 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef, LLVMValueRef Val,
3832                            LLVMTypeRef DestTy, const char *Name);
3833 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef, LLVMValueRef Val,
3834                            LLVMTypeRef DestTy, const char *Name);
3835 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef, LLVMValueRef Val,
3836                              LLVMTypeRef DestTy, const char *Name);
3837 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef, LLVMValueRef Val,
3838                              LLVMTypeRef DestTy, const char *Name);
3839 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef, LLVMValueRef Val,
3840                              LLVMTypeRef DestTy, const char *Name);
3841 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef, LLVMValueRef Val,
3842                              LLVMTypeRef DestTy, const char *Name);
3843 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef, LLVMValueRef Val,
3844                               LLVMTypeRef DestTy, const char *Name);
3845 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef, LLVMValueRef Val,
3846                             LLVMTypeRef DestTy, const char *Name);
3847 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef, LLVMValueRef Val,
3848                                LLVMTypeRef DestTy, const char *Name);
3849 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef, LLVMValueRef Val,
3850                                LLVMTypeRef DestTy, const char *Name);
3851 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef, LLVMValueRef Val,
3852                               LLVMTypeRef DestTy, const char *Name);
3853 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef, LLVMValueRef Val,
3854                                     LLVMTypeRef DestTy, const char *Name);
3855 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3856                                     LLVMTypeRef DestTy, const char *Name);
3857 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3858                                     LLVMTypeRef DestTy, const char *Name);
3859 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3860                                      LLVMTypeRef DestTy, const char *Name);
3861 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
3862                            LLVMTypeRef DestTy, const char *Name);
3863 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
3864                                   LLVMTypeRef DestTy, const char *Name);
3865 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef, LLVMValueRef Val,
3866                                LLVMTypeRef DestTy, LLVMBool IsSigned,
3867                                const char *Name);
3868 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
3869                              LLVMTypeRef DestTy, const char *Name);
3870 
3871 /** Deprecated: This cast is always signed. Use LLVMBuildIntCast2 instead. */
3872 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
3873                               LLVMTypeRef DestTy, const char *Name);
3874 
3875 /* Comparisons */
3876 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
3877                            LLVMValueRef LHS, LLVMValueRef RHS,
3878                            const char *Name);
3879 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef, LLVMRealPredicate Op,
3880                            LLVMValueRef LHS, LLVMValueRef RHS,
3881                            const char *Name);
3882 
3883 /* Miscellaneous instructions */
3884 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3885 // LLVMBuildCall is deprecated in favor of LLVMBuildCall2, in preparation for
3886 // opaque pointer types.
3887 LLVMValueRef LLVMBuildCall(LLVMBuilderRef, LLVMValueRef Fn,
3888                            LLVMValueRef *Args, unsigned NumArgs,
3889                            const char *Name);
3890 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef, LLVMTypeRef, LLVMValueRef Fn,
3891                             LLVMValueRef *Args, unsigned NumArgs,
3892                             const char *Name);
3893 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef, LLVMValueRef If,
3894                              LLVMValueRef Then, LLVMValueRef Else,
3895                              const char *Name);
3896 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef, LLVMValueRef List, LLVMTypeRef Ty,
3897                             const char *Name);
3898 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef, LLVMValueRef VecVal,
3899                                      LLVMValueRef Index, const char *Name);
3900 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef, LLVMValueRef VecVal,
3901                                     LLVMValueRef EltVal, LLVMValueRef Index,
3902                                     const char *Name);
3903 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef, LLVMValueRef V1,
3904                                     LLVMValueRef V2, LLVMValueRef Mask,
3905                                     const char *Name);
3906 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef, LLVMValueRef AggVal,
3907                                    unsigned Index, const char *Name);
3908 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef, LLVMValueRef AggVal,
3909                                   LLVMValueRef EltVal, unsigned Index,
3910                                   const char *Name);
3911 LLVMValueRef LLVMBuildFreeze(LLVMBuilderRef, LLVMValueRef Val,
3912                              const char *Name);
3913 
3914 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef, LLVMValueRef Val,
3915                              const char *Name);
3916 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef, LLVMValueRef Val,
3917                                 const char *Name);
3918 LLVMValueRef LLVMBuildPtrDiff(LLVMBuilderRef, LLVMValueRef LHS,
3919                               LLVMValueRef RHS, const char *Name);
3920 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering ordering,
3921                             LLVMBool singleThread, const char *Name);
3922 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B, LLVMAtomicRMWBinOp op,
3923                                 LLVMValueRef PTR, LLVMValueRef Val,
3924                                 LLVMAtomicOrdering ordering,
3925                                 LLVMBool singleThread);
3926 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
3927                                     LLVMValueRef Cmp, LLVMValueRef New,
3928                                     LLVMAtomicOrdering SuccessOrdering,
3929                                     LLVMAtomicOrdering FailureOrdering,
3930                                     LLVMBool SingleThread);
3931 
3932 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst);
3933 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread);
3934 
3935 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst);
3936 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
3937                                    LLVMAtomicOrdering Ordering);
3938 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst);
3939 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
3940                                    LLVMAtomicOrdering Ordering);
3941 
3942 /**
3943  * @}
3944  */
3945 
3946 /**
3947  * @defgroup LLVMCCoreModuleProvider Module Providers
3948  *
3949  * @{
3950  */
3951 
3952 /**
3953  * Changes the type of M so it can be passed to FunctionPassManagers and the
3954  * JIT.  They take ModuleProviders for historical reasons.
3955  */
3956 LLVMModuleProviderRef
3957 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M);
3958 
3959 /**
3960  * Destroys the module M.
3961  */
3962 void LLVMDisposeModuleProvider(LLVMModuleProviderRef M);
3963 
3964 /**
3965  * @}
3966  */
3967 
3968 /**
3969  * @defgroup LLVMCCoreMemoryBuffers Memory Buffers
3970  *
3971  * @{
3972  */
3973 
3974 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(const char *Path,
3975                                                   LLVMMemoryBufferRef *OutMemBuf,
3976                                                   char **OutMessage);
3977 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
3978                                          char **OutMessage);
3979 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
3980                                                           size_t InputDataLength,
3981                                                           const char *BufferName,
3982                                                           LLVMBool RequiresNullTerminator);
3983 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
3984                                                               size_t InputDataLength,
3985                                                               const char *BufferName);
3986 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
3987 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf);
3988 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
3989 
3990 /**
3991  * @}
3992  */
3993 
3994 /**
3995  * @defgroup LLVMCCorePassRegistry Pass Registry
3996  *
3997  * @{
3998  */
3999 
4000 /** Return the global pass registry, for use with initialization functions.
4001     @see llvm::PassRegistry::getPassRegistry */
4002 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void);
4003 
4004 /**
4005  * @}
4006  */
4007 
4008 /**
4009  * @defgroup LLVMCCorePassManagers Pass Managers
4010  *
4011  * @{
4012  */
4013 
4014 /** Constructs a new whole-module pass pipeline. This type of pipeline is
4015     suitable for link-time optimization and whole-module transformations.
4016     @see llvm::PassManager::PassManager */
4017 LLVMPassManagerRef LLVMCreatePassManager(void);
4018 
4019 /** Constructs a new function-by-function pass pipeline over the module
4020     provider. It does not take ownership of the module provider. This type of
4021     pipeline is suitable for code generation and JIT compilation tasks.
4022     @see llvm::FunctionPassManager::FunctionPassManager */
4023 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M);
4024 
4025 /** Deprecated: Use LLVMCreateFunctionPassManagerForModule instead. */
4026 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef MP);
4027 
4028 /** Initializes, executes on the provided module, and finalizes all of the
4029     passes scheduled in the pass manager. Returns 1 if any of the passes
4030     modified the module, 0 otherwise.
4031     @see llvm::PassManager::run(Module&) */
4032 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M);
4033 
4034 /** Initializes all of the function passes scheduled in the function pass
4035     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4036     @see llvm::FunctionPassManager::doInitialization */
4037 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM);
4038 
4039 /** Executes all of the function passes scheduled in the function pass manager
4040     on the provided function. Returns 1 if any of the passes modified the
4041     function, false otherwise.
4042     @see llvm::FunctionPassManager::run(Function&) */
4043 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F);
4044 
4045 /** Finalizes all of the function passes scheduled in the function pass
4046     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4047     @see llvm::FunctionPassManager::doFinalization */
4048 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM);
4049 
4050 /** Frees the memory of a pass pipeline. For function pipelines, does not free
4051     the module provider.
4052     @see llvm::PassManagerBase::~PassManagerBase. */
4053 void LLVMDisposePassManager(LLVMPassManagerRef PM);
4054 
4055 /**
4056  * @}
4057  */
4058 
4059 /**
4060  * @defgroup LLVMCCoreThreading Threading
4061  *
4062  * Handle the structures needed to make LLVM safe for multithreading.
4063  *
4064  * @{
4065  */
4066 
4067 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4068     time define LLVM_ENABLE_THREADS.  This function always returns
4069     LLVMIsMultithreaded(). */
4070 LLVMBool LLVMStartMultithreaded(void);
4071 
4072 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4073     time define LLVM_ENABLE_THREADS. */
4074 void LLVMStopMultithreaded(void);
4075 
4076 /** Check whether LLVM is executing in thread-safe mode or not.
4077     @see llvm::llvm_is_multithreaded */
4078 LLVMBool LLVMIsMultithreaded(void);
4079 
4080 /**
4081  * @}
4082  */
4083 
4084 /**
4085  * @}
4086  */
4087 
4088 /**
4089  * @}
4090  */
4091 
4092 LLVM_C_EXTERN_C_END
4093 
4094 #endif /* LLVM_C_CORE_H */
4095