xref: /freebsd/contrib/llvm-project/llvm/include/llvm-c/Core.h (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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,    /**< Fixed width SIMD vector type */
161   LLVMMetadataTypeKind,  /**< Metadata */
162   LLVMX86_MMXTypeKind,   /**< X86 MMX */
163   LLVMTokenTypeKind,     /**< Tokens */
164   LLVMScalableVectorTypeKind, /**< Scalable SIMD vector type */
165   LLVMBFloatTypeKind     /**< 16 bit brain floating point type */
166 } LLVMTypeKind;
167 
168 typedef enum {
169   LLVMExternalLinkage,    /**< Externally visible function */
170   LLVMAvailableExternallyLinkage,
171   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
172   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something
173                             equivalent. */
174   LLVMLinkOnceODRAutoHideLinkage, /**< Obsolete */
175   LLVMWeakAnyLinkage,     /**< Keep one copy of function when linking (weak) */
176   LLVMWeakODRLinkage,     /**< Same, but only replaced by something
177                             equivalent. */
178   LLVMAppendingLinkage,   /**< Special purpose, only applies to global arrays */
179   LLVMInternalLinkage,    /**< Rename collisions when linking (static
180                                functions) */
181   LLVMPrivateLinkage,     /**< Like Internal, but omit from symbol table */
182   LLVMDLLImportLinkage,   /**< Obsolete */
183   LLVMDLLExportLinkage,   /**< Obsolete */
184   LLVMExternalWeakLinkage,/**< ExternalWeak linkage description */
185   LLVMGhostLinkage,       /**< Obsolete */
186   LLVMCommonLinkage,      /**< Tentative definitions */
187   LLVMLinkerPrivateLinkage, /**< Like Private, but linker removes. */
188   LLVMLinkerPrivateWeakLinkage /**< Like LinkerPrivate, but is weak. */
189 } LLVMLinkage;
190 
191 typedef enum {
192   LLVMDefaultVisibility,  /**< The GV is visible */
193   LLVMHiddenVisibility,   /**< The GV is hidden */
194   LLVMProtectedVisibility /**< The GV is protected */
195 } LLVMVisibility;
196 
197 typedef enum {
198   LLVMNoUnnamedAddr,    /**< Address of the GV is significant. */
199   LLVMLocalUnnamedAddr, /**< Address of the GV is locally insignificant. */
200   LLVMGlobalUnnamedAddr /**< Address of the GV is globally insignificant. */
201 } LLVMUnnamedAddr;
202 
203 typedef enum {
204   LLVMDefaultStorageClass   = 0,
205   LLVMDLLImportStorageClass = 1, /**< Function to be imported from DLL. */
206   LLVMDLLExportStorageClass = 2  /**< Function to be accessible from DLL. */
207 } LLVMDLLStorageClass;
208 
209 typedef enum {
210   LLVMCCallConv             = 0,
211   LLVMFastCallConv          = 8,
212   LLVMColdCallConv          = 9,
213   LLVMGHCCallConv           = 10,
214   LLVMHiPECallConv          = 11,
215   LLVMWebKitJSCallConv      = 12,
216   LLVMAnyRegCallConv        = 13,
217   LLVMPreserveMostCallConv  = 14,
218   LLVMPreserveAllCallConv   = 15,
219   LLVMSwiftCallConv         = 16,
220   LLVMCXXFASTTLSCallConv    = 17,
221   LLVMX86StdcallCallConv    = 64,
222   LLVMX86FastcallCallConv   = 65,
223   LLVMARMAPCSCallConv       = 66,
224   LLVMARMAAPCSCallConv      = 67,
225   LLVMARMAAPCSVFPCallConv   = 68,
226   LLVMMSP430INTRCallConv    = 69,
227   LLVMX86ThisCallCallConv   = 70,
228   LLVMPTXKernelCallConv     = 71,
229   LLVMPTXDeviceCallConv     = 72,
230   LLVMSPIRFUNCCallConv      = 75,
231   LLVMSPIRKERNELCallConv    = 76,
232   LLVMIntelOCLBICallConv    = 77,
233   LLVMX8664SysVCallConv     = 78,
234   LLVMWin64CallConv         = 79,
235   LLVMX86VectorCallCallConv = 80,
236   LLVMHHVMCallConv          = 81,
237   LLVMHHVMCCallConv         = 82,
238   LLVMX86INTRCallConv       = 83,
239   LLVMAVRINTRCallConv       = 84,
240   LLVMAVRSIGNALCallConv     = 85,
241   LLVMAVRBUILTINCallConv    = 86,
242   LLVMAMDGPUVSCallConv      = 87,
243   LLVMAMDGPUGSCallConv      = 88,
244   LLVMAMDGPUPSCallConv      = 89,
245   LLVMAMDGPUCSCallConv      = 90,
246   LLVMAMDGPUKERNELCallConv  = 91,
247   LLVMX86RegCallCallConv    = 92,
248   LLVMAMDGPUHSCallConv      = 93,
249   LLVMMSP430BUILTINCallConv = 94,
250   LLVMAMDGPULSCallConv      = 95,
251   LLVMAMDGPUESCallConv      = 96
252 } LLVMCallConv;
253 
254 typedef enum {
255   LLVMArgumentValueKind,
256   LLVMBasicBlockValueKind,
257   LLVMMemoryUseValueKind,
258   LLVMMemoryDefValueKind,
259   LLVMMemoryPhiValueKind,
260 
261   LLVMFunctionValueKind,
262   LLVMGlobalAliasValueKind,
263   LLVMGlobalIFuncValueKind,
264   LLVMGlobalVariableValueKind,
265   LLVMBlockAddressValueKind,
266   LLVMConstantExprValueKind,
267   LLVMConstantArrayValueKind,
268   LLVMConstantStructValueKind,
269   LLVMConstantVectorValueKind,
270 
271   LLVMUndefValueValueKind,
272   LLVMConstantAggregateZeroValueKind,
273   LLVMConstantDataArrayValueKind,
274   LLVMConstantDataVectorValueKind,
275   LLVMConstantIntValueKind,
276   LLVMConstantFPValueKind,
277   LLVMConstantPointerNullValueKind,
278   LLVMConstantTokenNoneValueKind,
279 
280   LLVMMetadataAsValueValueKind,
281   LLVMInlineAsmValueKind,
282 
283   LLVMInstructionValueKind,
284 } LLVMValueKind;
285 
286 typedef enum {
287   LLVMIntEQ = 32, /**< equal */
288   LLVMIntNE,      /**< not equal */
289   LLVMIntUGT,     /**< unsigned greater than */
290   LLVMIntUGE,     /**< unsigned greater or equal */
291   LLVMIntULT,     /**< unsigned less than */
292   LLVMIntULE,     /**< unsigned less or equal */
293   LLVMIntSGT,     /**< signed greater than */
294   LLVMIntSGE,     /**< signed greater or equal */
295   LLVMIntSLT,     /**< signed less than */
296   LLVMIntSLE      /**< signed less or equal */
297 } LLVMIntPredicate;
298 
299 typedef enum {
300   LLVMRealPredicateFalse, /**< Always false (always folded) */
301   LLVMRealOEQ,            /**< True if ordered and equal */
302   LLVMRealOGT,            /**< True if ordered and greater than */
303   LLVMRealOGE,            /**< True if ordered and greater than or equal */
304   LLVMRealOLT,            /**< True if ordered and less than */
305   LLVMRealOLE,            /**< True if ordered and less than or equal */
306   LLVMRealONE,            /**< True if ordered and operands are unequal */
307   LLVMRealORD,            /**< True if ordered (no nans) */
308   LLVMRealUNO,            /**< True if unordered: isnan(X) | isnan(Y) */
309   LLVMRealUEQ,            /**< True if unordered or equal */
310   LLVMRealUGT,            /**< True if unordered or greater than */
311   LLVMRealUGE,            /**< True if unordered, greater than, or equal */
312   LLVMRealULT,            /**< True if unordered or less than */
313   LLVMRealULE,            /**< True if unordered, less than, or equal */
314   LLVMRealUNE,            /**< True if unordered or not equal */
315   LLVMRealPredicateTrue   /**< Always true (always folded) */
316 } LLVMRealPredicate;
317 
318 typedef enum {
319   LLVMLandingPadCatch,    /**< A catch clause   */
320   LLVMLandingPadFilter    /**< A filter clause  */
321 } LLVMLandingPadClauseTy;
322 
323 typedef enum {
324   LLVMNotThreadLocal = 0,
325   LLVMGeneralDynamicTLSModel,
326   LLVMLocalDynamicTLSModel,
327   LLVMInitialExecTLSModel,
328   LLVMLocalExecTLSModel
329 } LLVMThreadLocalMode;
330 
331 typedef enum {
332   LLVMAtomicOrderingNotAtomic = 0, /**< A load or store which is not atomic */
333   LLVMAtomicOrderingUnordered = 1, /**< Lowest level of atomicity, guarantees
334                                      somewhat sane results, lock free. */
335   LLVMAtomicOrderingMonotonic = 2, /**< guarantees that if you take all the
336                                      operations affecting a specific address,
337                                      a consistent ordering exists */
338   LLVMAtomicOrderingAcquire = 4, /**< Acquire provides a barrier of the sort
339                                    necessary to acquire a lock to access other
340                                    memory with normal loads and stores. */
341   LLVMAtomicOrderingRelease = 5, /**< Release is similar to Acquire, but with
342                                    a barrier of the sort necessary to release
343                                    a lock. */
344   LLVMAtomicOrderingAcquireRelease = 6, /**< provides both an Acquire and a
345                                           Release barrier (for fences and
346                                           operations which both read and write
347                                            memory). */
348   LLVMAtomicOrderingSequentiallyConsistent = 7 /**< provides Acquire semantics
349                                                  for loads and Release
350                                                  semantics for stores.
351                                                  Additionally, it guarantees
352                                                  that a total ordering exists
353                                                  between all
354                                                  SequentiallyConsistent
355                                                  operations. */
356 } LLVMAtomicOrdering;
357 
358 typedef enum {
359     LLVMAtomicRMWBinOpXchg, /**< Set the new value and return the one old */
360     LLVMAtomicRMWBinOpAdd, /**< Add a value and return the old one */
361     LLVMAtomicRMWBinOpSub, /**< Subtract a value and return the old one */
362     LLVMAtomicRMWBinOpAnd, /**< And a value and return the old one */
363     LLVMAtomicRMWBinOpNand, /**< Not-And a value and return the old one */
364     LLVMAtomicRMWBinOpOr, /**< OR a value and return the old one */
365     LLVMAtomicRMWBinOpXor, /**< Xor a value and return the old one */
366     LLVMAtomicRMWBinOpMax, /**< Sets the value if it's greater than the
367                              original using a signed comparison and return
368                              the old one */
369     LLVMAtomicRMWBinOpMin, /**< Sets the value if it's Smaller than the
370                              original using a signed comparison and return
371                              the old one */
372     LLVMAtomicRMWBinOpUMax, /**< Sets the value if it's greater than the
373                              original using an unsigned comparison and return
374                              the old one */
375     LLVMAtomicRMWBinOpUMin, /**< Sets the value if it's greater than the
376                               original using an unsigned comparison and return
377                               the old one */
378     LLVMAtomicRMWBinOpFAdd, /**< Add a floating point value and return the
379                               old one */
380     LLVMAtomicRMWBinOpFSub /**< Subtract a floating point value and return the
381                              old one */
382 } LLVMAtomicRMWBinOp;
383 
384 typedef enum {
385     LLVMDSError,
386     LLVMDSWarning,
387     LLVMDSRemark,
388     LLVMDSNote
389 } LLVMDiagnosticSeverity;
390 
391 typedef enum {
392   LLVMInlineAsmDialectATT,
393   LLVMInlineAsmDialectIntel
394 } LLVMInlineAsmDialect;
395 
396 typedef enum {
397   /**
398    * Emits an error if two values disagree, otherwise the resulting value is
399    * that of the operands.
400    *
401    * @see Module::ModFlagBehavior::Error
402    */
403   LLVMModuleFlagBehaviorError,
404   /**
405    * Emits a warning if two values disagree. The result value will be the
406    * operand for the flag from the first module being linked.
407    *
408    * @see Module::ModFlagBehavior::Warning
409    */
410   LLVMModuleFlagBehaviorWarning,
411   /**
412    * Adds a requirement that another module flag be present and have a
413    * specified value after linking is performed. The value must be a metadata
414    * pair, where the first element of the pair is the ID of the module flag
415    * to be restricted, and the second element of the pair is the value the
416    * module flag should be restricted to. This behavior can be used to
417    * restrict the allowable results (via triggering of an error) of linking
418    * IDs with the **Override** behavior.
419    *
420    * @see Module::ModFlagBehavior::Require
421    */
422   LLVMModuleFlagBehaviorRequire,
423   /**
424    * Uses the specified value, regardless of the behavior or value of the
425    * other module. If both modules specify **Override**, but the values
426    * differ, an error will be emitted.
427    *
428    * @see Module::ModFlagBehavior::Override
429    */
430   LLVMModuleFlagBehaviorOverride,
431   /**
432    * Appends the two values, which are required to be metadata nodes.
433    *
434    * @see Module::ModFlagBehavior::Append
435    */
436   LLVMModuleFlagBehaviorAppend,
437   /**
438    * Appends the two values, which are required to be metadata
439    * nodes. However, duplicate entries in the second list are dropped
440    * during the append operation.
441    *
442    * @see Module::ModFlagBehavior::AppendUnique
443    */
444   LLVMModuleFlagBehaviorAppendUnique,
445 } LLVMModuleFlagBehavior;
446 
447 /**
448  * Attribute index are either LLVMAttributeReturnIndex,
449  * LLVMAttributeFunctionIndex or a parameter number from 1 to N.
450  */
451 enum {
452   LLVMAttributeReturnIndex = 0U,
453   // ISO C restricts enumerator values to range of 'int'
454   // (4294967295 is too large)
455   // LLVMAttributeFunctionIndex = ~0U,
456   LLVMAttributeFunctionIndex = -1,
457 };
458 
459 typedef unsigned LLVMAttributeIndex;
460 
461 /**
462  * @}
463  */
464 
465 void LLVMInitializeCore(LLVMPassRegistryRef R);
466 
467 /** Deallocate and destroy all ManagedStatic variables.
468     @see llvm::llvm_shutdown
469     @see ManagedStatic */
470 void LLVMShutdown(void);
471 
472 /*===-- Error handling ----------------------------------------------------===*/
473 
474 char *LLVMCreateMessage(const char *Message);
475 void LLVMDisposeMessage(char *Message);
476 
477 /**
478  * @defgroup LLVMCCoreContext Contexts
479  *
480  * Contexts are execution states for the core LLVM IR system.
481  *
482  * Most types are tied to a context instance. Multiple contexts can
483  * exist simultaneously. A single context is not thread safe. However,
484  * different contexts can execute on different threads simultaneously.
485  *
486  * @{
487  */
488 
489 typedef void (*LLVMDiagnosticHandler)(LLVMDiagnosticInfoRef, void *);
490 typedef void (*LLVMYieldCallback)(LLVMContextRef, void *);
491 
492 /**
493  * Create a new context.
494  *
495  * Every call to this function should be paired with a call to
496  * LLVMContextDispose() or the context will leak memory.
497  */
498 LLVMContextRef LLVMContextCreate(void);
499 
500 /**
501  * Obtain the global context instance.
502  */
503 LLVMContextRef LLVMGetGlobalContext(void);
504 
505 /**
506  * Set the diagnostic handler for this context.
507  */
508 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
509                                      LLVMDiagnosticHandler Handler,
510                                      void *DiagnosticContext);
511 
512 /**
513  * Get the diagnostic handler of this context.
514  */
515 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C);
516 
517 /**
518  * Get the diagnostic context of this context.
519  */
520 void *LLVMContextGetDiagnosticContext(LLVMContextRef C);
521 
522 /**
523  * Set the yield callback function for this context.
524  *
525  * @see LLVMContext::setYieldCallback()
526  */
527 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
528                                  void *OpaqueHandle);
529 
530 /**
531  * Retrieve whether the given context is set to discard all value names.
532  *
533  * @see LLVMContext::shouldDiscardValueNames()
534  */
535 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C);
536 
537 /**
538  * Set whether the given context discards all value names.
539  *
540  * If true, only the names of GlobalValue objects will be available in the IR.
541  * This can be used to save memory and runtime, especially in release mode.
542  *
543  * @see LLVMContext::setDiscardValueNames()
544  */
545 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard);
546 
547 /**
548  * Destroy a context instance.
549  *
550  * This should be called for every call to LLVMContextCreate() or memory
551  * will be leaked.
552  */
553 void LLVMContextDispose(LLVMContextRef C);
554 
555 /**
556  * Return a string representation of the DiagnosticInfo. Use
557  * LLVMDisposeMessage to free the string.
558  *
559  * @see DiagnosticInfo::print()
560  */
561 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI);
562 
563 /**
564  * Return an enum LLVMDiagnosticSeverity.
565  *
566  * @see DiagnosticInfo::getSeverity()
567  */
568 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI);
569 
570 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
571                                   unsigned SLen);
572 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen);
573 
574 /**
575  * Return an unique id given the name of a enum attribute,
576  * or 0 if no attribute by that name exists.
577  *
578  * See http://llvm.org/docs/LangRef.html#parameter-attributes
579  * and http://llvm.org/docs/LangRef.html#function-attributes
580  * for the list of available attributes.
581  *
582  * NB: Attribute names and/or id are subject to change without
583  * going through the C API deprecation cycle.
584  */
585 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen);
586 unsigned LLVMGetLastEnumAttributeKind(void);
587 
588 /**
589  * Create an enum attribute.
590  */
591 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
592                                          uint64_t Val);
593 
594 /**
595  * Get the unique id corresponding to the enum attribute
596  * passed as argument.
597  */
598 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A);
599 
600 /**
601  * Get the enum attribute's value. 0 is returned if none exists.
602  */
603 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A);
604 
605 /**
606  * Create a string attribute.
607  */
608 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
609                                            const char *K, unsigned KLength,
610                                            const char *V, unsigned VLength);
611 
612 /**
613  * Get the string attribute's kind.
614  */
615 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A, unsigned *Length);
616 
617 /**
618  * Get the string attribute's value.
619  */
620 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A, unsigned *Length);
621 
622 /**
623  * Check for the different types of attributes.
624  */
625 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A);
626 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A);
627 
628 /**
629  * @}
630  */
631 
632 /**
633  * @defgroup LLVMCCoreModule Modules
634  *
635  * Modules represent the top-level structure in an LLVM program. An LLVM
636  * module is effectively a translation unit or a collection of
637  * translation units merged together.
638  *
639  * @{
640  */
641 
642 /**
643  * Create a new, empty module in the global context.
644  *
645  * This is equivalent to calling LLVMModuleCreateWithNameInContext with
646  * LLVMGetGlobalContext() as the context parameter.
647  *
648  * Every invocation should be paired with LLVMDisposeModule() or memory
649  * will be leaked.
650  */
651 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID);
652 
653 /**
654  * Create a new, empty module in a specific context.
655  *
656  * Every invocation should be paired with LLVMDisposeModule() or memory
657  * will be leaked.
658  */
659 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
660                                                 LLVMContextRef C);
661 /**
662  * Return an exact copy of the specified module.
663  */
664 LLVMModuleRef LLVMCloneModule(LLVMModuleRef M);
665 
666 /**
667  * Destroy a module instance.
668  *
669  * This must be called for every created module or memory will be
670  * leaked.
671  */
672 void LLVMDisposeModule(LLVMModuleRef M);
673 
674 /**
675  * Obtain the identifier of a module.
676  *
677  * @param M Module to obtain identifier of
678  * @param Len Out parameter which holds the length of the returned string.
679  * @return The identifier of M.
680  * @see Module::getModuleIdentifier()
681  */
682 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len);
683 
684 /**
685  * Set the identifier of a module to a string Ident with length Len.
686  *
687  * @param M The module to set identifier
688  * @param Ident The string to set M's identifier to
689  * @param Len Length of Ident
690  * @see Module::setModuleIdentifier()
691  */
692 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len);
693 
694 /**
695  * Obtain the module's original source file name.
696  *
697  * @param M Module to obtain the name of
698  * @param Len Out parameter which holds the length of the returned string
699  * @return The original source file name of M
700  * @see Module::getSourceFileName()
701  */
702 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len);
703 
704 /**
705  * Set the original source file name of a module to a string Name with length
706  * Len.
707  *
708  * @param M The module to set the source file name of
709  * @param Name The string to set M's source file name to
710  * @param Len Length of Name
711  * @see Module::setSourceFileName()
712  */
713 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len);
714 
715 /**
716  * Obtain the data layout for a module.
717  *
718  * @see Module::getDataLayoutStr()
719  *
720  * LLVMGetDataLayout is DEPRECATED, as the name is not only incorrect,
721  * but match the name of another method on the module. Prefer the use
722  * of LLVMGetDataLayoutStr, which is not ambiguous.
723  */
724 const char *LLVMGetDataLayoutStr(LLVMModuleRef M);
725 const char *LLVMGetDataLayout(LLVMModuleRef M);
726 
727 /**
728  * Set the data layout for a module.
729  *
730  * @see Module::setDataLayout()
731  */
732 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr);
733 
734 /**
735  * Obtain the target triple for a module.
736  *
737  * @see Module::getTargetTriple()
738  */
739 const char *LLVMGetTarget(LLVMModuleRef M);
740 
741 /**
742  * Set the target triple for a module.
743  *
744  * @see Module::setTargetTriple()
745  */
746 void LLVMSetTarget(LLVMModuleRef M, const char *Triple);
747 
748 /**
749  * Returns the module flags as an array of flag-key-value triples.  The caller
750  * is responsible for freeing this array by calling
751  * \c LLVMDisposeModuleFlagsMetadata.
752  *
753  * @see Module::getModuleFlagsMetadata()
754  */
755 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len);
756 
757 /**
758  * Destroys module flags metadata entries.
759  */
760 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries);
761 
762 /**
763  * Returns the flag behavior for a module flag entry at a specific index.
764  *
765  * @see Module::ModuleFlagEntry::Behavior
766  */
767 LLVMModuleFlagBehavior
768 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
769                                      unsigned Index);
770 
771 /**
772  * Returns the key for a module flag entry at a specific index.
773  *
774  * @see Module::ModuleFlagEntry::Key
775  */
776 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
777                                         unsigned Index, size_t *Len);
778 
779 /**
780  * Returns the metadata for a module flag entry at a specific index.
781  *
782  * @see Module::ModuleFlagEntry::Val
783  */
784 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
785                                                  unsigned Index);
786 
787 /**
788  * Add a module-level flag to the module-level flags metadata if it doesn't
789  * already exist.
790  *
791  * @see Module::getModuleFlag()
792  */
793 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
794                                   const char *Key, size_t KeyLen);
795 
796 /**
797  * Add a module-level flag to the module-level flags metadata if it doesn't
798  * already exist.
799  *
800  * @see Module::addModuleFlag()
801  */
802 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
803                        const char *Key, size_t KeyLen,
804                        LLVMMetadataRef Val);
805 
806 /**
807  * Dump a representation of a module to stderr.
808  *
809  * @see Module::dump()
810  */
811 void LLVMDumpModule(LLVMModuleRef M);
812 
813 /**
814  * Print a representation of a module to a file. The ErrorMessage needs to be
815  * disposed with LLVMDisposeMessage. Returns 0 on success, 1 otherwise.
816  *
817  * @see Module::print()
818  */
819 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
820                                char **ErrorMessage);
821 
822 /**
823  * Return a string representation of the module. Use
824  * LLVMDisposeMessage to free the string.
825  *
826  * @see Module::print()
827  */
828 char *LLVMPrintModuleToString(LLVMModuleRef M);
829 
830 /**
831  * Get inline assembly for a module.
832  *
833  * @see Module::getModuleInlineAsm()
834  */
835 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len);
836 
837 /**
838  * Set inline assembly for a module.
839  *
840  * @see Module::setModuleInlineAsm()
841  */
842 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len);
843 
844 /**
845  * Append inline assembly to a module.
846  *
847  * @see Module::appendModuleInlineAsm()
848  */
849 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len);
850 
851 /**
852  * Create the specified uniqued inline asm string.
853  *
854  * @see InlineAsm::get()
855  */
856 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty,
857                               char *AsmString, size_t AsmStringSize,
858                               char *Constraints, size_t ConstraintsSize,
859                               LLVMBool HasSideEffects, LLVMBool IsAlignStack,
860                               LLVMInlineAsmDialect Dialect);
861 
862 /**
863  * Obtain the context to which this module is associated.
864  *
865  * @see Module::getContext()
866  */
867 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M);
868 
869 /**
870  * Obtain a Type from a module by its registered name.
871  */
872 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name);
873 
874 /**
875  * Obtain an iterator to the first NamedMDNode in a Module.
876  *
877  * @see llvm::Module::named_metadata_begin()
878  */
879 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M);
880 
881 /**
882  * Obtain an iterator to the last NamedMDNode in a Module.
883  *
884  * @see llvm::Module::named_metadata_end()
885  */
886 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M);
887 
888 /**
889  * Advance a NamedMDNode iterator to the next NamedMDNode.
890  *
891  * Returns NULL if the iterator was already at the end and there are no more
892  * named metadata nodes.
893  */
894 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
895 
896 /**
897  * Decrement a NamedMDNode iterator to the previous NamedMDNode.
898  *
899  * Returns NULL if the iterator was already at the beginning and there are
900  * no previous named metadata nodes.
901  */
902 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
903 
904 /**
905  * Retrieve a NamedMDNode with the given name, returning NULL if no such
906  * node exists.
907  *
908  * @see llvm::Module::getNamedMetadata()
909  */
910 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
911                                         const char *Name, size_t NameLen);
912 
913 /**
914  * Retrieve a NamedMDNode with the given name, creating a new node if no such
915  * node exists.
916  *
917  * @see llvm::Module::getOrInsertNamedMetadata()
918  */
919 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
920                                                 const char *Name,
921                                                 size_t NameLen);
922 
923 /**
924  * Retrieve the name of a NamedMDNode.
925  *
926  * @see llvm::NamedMDNode::getName()
927  */
928 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NamedMD,
929                                      size_t *NameLen);
930 
931 /**
932  * Obtain the number of operands for named metadata in a module.
933  *
934  * @see llvm::Module::getNamedMetadata()
935  */
936 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name);
937 
938 /**
939  * Obtain the named metadata operands for a module.
940  *
941  * The passed LLVMValueRef pointer should refer to an array of
942  * LLVMValueRef at least LLVMGetNamedMetadataNumOperands long. This
943  * array will be populated with the LLVMValueRef instances. Each
944  * instance corresponds to a llvm::MDNode.
945  *
946  * @see llvm::Module::getNamedMetadata()
947  * @see llvm::MDNode::getOperand()
948  */
949 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
950                                   LLVMValueRef *Dest);
951 
952 /**
953  * Add an operand to named metadata.
954  *
955  * @see llvm::Module::getNamedMetadata()
956  * @see llvm::MDNode::addOperand()
957  */
958 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
959                                  LLVMValueRef Val);
960 
961 /**
962  * Return the directory of the debug location for this value, which must be
963  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
964  *
965  * @see llvm::Instruction::getDebugLoc()
966  * @see llvm::GlobalVariable::getDebugInfo()
967  * @see llvm::Function::getSubprogram()
968  */
969 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length);
970 
971 /**
972  * Return the filename of the debug location for this value, which must be
973  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
974  *
975  * @see llvm::Instruction::getDebugLoc()
976  * @see llvm::GlobalVariable::getDebugInfo()
977  * @see llvm::Function::getSubprogram()
978  */
979 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length);
980 
981 /**
982  * Return the line number of the debug location for this value, which must be
983  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
984  *
985  * @see llvm::Instruction::getDebugLoc()
986  * @see llvm::GlobalVariable::getDebugInfo()
987  * @see llvm::Function::getSubprogram()
988  */
989 unsigned LLVMGetDebugLocLine(LLVMValueRef Val);
990 
991 /**
992  * Return the column number of the debug location for this value, which must be
993  * an llvm::Instruction.
994  *
995  * @see llvm::Instruction::getDebugLoc()
996  */
997 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val);
998 
999 /**
1000  * Add a function to a module under a specified name.
1001  *
1002  * @see llvm::Function::Create()
1003  */
1004 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
1005                              LLVMTypeRef FunctionTy);
1006 
1007 /**
1008  * Obtain a Function value from a Module by its name.
1009  *
1010  * The returned value corresponds to a llvm::Function value.
1011  *
1012  * @see llvm::Module::getFunction()
1013  */
1014 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name);
1015 
1016 /**
1017  * Obtain an iterator to the first Function in a Module.
1018  *
1019  * @see llvm::Module::begin()
1020  */
1021 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M);
1022 
1023 /**
1024  * Obtain an iterator to the last Function in a Module.
1025  *
1026  * @see llvm::Module::end()
1027  */
1028 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M);
1029 
1030 /**
1031  * Advance a Function iterator to the next Function.
1032  *
1033  * Returns NULL if the iterator was already at the end and there are no more
1034  * functions.
1035  */
1036 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn);
1037 
1038 /**
1039  * Decrement a Function iterator to the previous Function.
1040  *
1041  * Returns NULL if the iterator was already at the beginning and there are
1042  * no previous functions.
1043  */
1044 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn);
1045 
1046 /** Deprecated: Use LLVMSetModuleInlineAsm2 instead. */
1047 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm);
1048 
1049 /**
1050  * @}
1051  */
1052 
1053 /**
1054  * @defgroup LLVMCCoreType Types
1055  *
1056  * Types represent the type of a value.
1057  *
1058  * Types are associated with a context instance. The context internally
1059  * deduplicates types so there is only 1 instance of a specific type
1060  * alive at a time. In other words, a unique type is shared among all
1061  * consumers within a context.
1062  *
1063  * A Type in the C API corresponds to llvm::Type.
1064  *
1065  * Types have the following hierarchy:
1066  *
1067  *   types:
1068  *     integer type
1069  *     real type
1070  *     function type
1071  *     sequence types:
1072  *       array type
1073  *       pointer type
1074  *       vector type
1075  *     void type
1076  *     label type
1077  *     opaque type
1078  *
1079  * @{
1080  */
1081 
1082 /**
1083  * Obtain the enumerated type of a Type instance.
1084  *
1085  * @see llvm::Type:getTypeID()
1086  */
1087 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty);
1088 
1089 /**
1090  * Whether the type has a known size.
1091  *
1092  * Things that don't have a size are abstract types, labels, and void.a
1093  *
1094  * @see llvm::Type::isSized()
1095  */
1096 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty);
1097 
1098 /**
1099  * Obtain the context to which this type instance is associated.
1100  *
1101  * @see llvm::Type::getContext()
1102  */
1103 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty);
1104 
1105 /**
1106  * Dump a representation of a type to stderr.
1107  *
1108  * @see llvm::Type::dump()
1109  */
1110 void LLVMDumpType(LLVMTypeRef Val);
1111 
1112 /**
1113  * Return a string representation of the type. Use
1114  * LLVMDisposeMessage to free the string.
1115  *
1116  * @see llvm::Type::print()
1117  */
1118 char *LLVMPrintTypeToString(LLVMTypeRef Val);
1119 
1120 /**
1121  * @defgroup LLVMCCoreTypeInt Integer Types
1122  *
1123  * Functions in this section operate on integer types.
1124  *
1125  * @{
1126  */
1127 
1128 /**
1129  * Obtain an integer type from a context with specified bit width.
1130  */
1131 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C);
1132 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C);
1133 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C);
1134 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C);
1135 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C);
1136 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C);
1137 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits);
1138 
1139 /**
1140  * Obtain an integer type from the global context with a specified bit
1141  * width.
1142  */
1143 LLVMTypeRef LLVMInt1Type(void);
1144 LLVMTypeRef LLVMInt8Type(void);
1145 LLVMTypeRef LLVMInt16Type(void);
1146 LLVMTypeRef LLVMInt32Type(void);
1147 LLVMTypeRef LLVMInt64Type(void);
1148 LLVMTypeRef LLVMInt128Type(void);
1149 LLVMTypeRef LLVMIntType(unsigned NumBits);
1150 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy);
1151 
1152 /**
1153  * @}
1154  */
1155 
1156 /**
1157  * @defgroup LLVMCCoreTypeFloat Floating Point Types
1158  *
1159  * @{
1160  */
1161 
1162 /**
1163  * Obtain a 16-bit floating point type from a context.
1164  */
1165 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C);
1166 
1167 /**
1168  * Obtain a 16-bit brain floating point type from a context.
1169  */
1170 LLVMTypeRef LLVMBFloatTypeInContext(LLVMContextRef C);
1171 
1172 /**
1173  * Obtain a 32-bit floating point type from a context.
1174  */
1175 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C);
1176 
1177 /**
1178  * Obtain a 64-bit floating point type from a context.
1179  */
1180 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C);
1181 
1182 /**
1183  * Obtain a 80-bit floating point type (X87) from a context.
1184  */
1185 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C);
1186 
1187 /**
1188  * Obtain a 128-bit floating point type (112-bit mantissa) from a
1189  * context.
1190  */
1191 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C);
1192 
1193 /**
1194  * Obtain a 128-bit floating point type (two 64-bits) from a context.
1195  */
1196 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C);
1197 
1198 /**
1199  * Obtain a floating point type from the global context.
1200  *
1201  * These map to the functions in this group of the same name.
1202  */
1203 LLVMTypeRef LLVMHalfType(void);
1204 LLVMTypeRef LLVMBFloatType(void);
1205 LLVMTypeRef LLVMFloatType(void);
1206 LLVMTypeRef LLVMDoubleType(void);
1207 LLVMTypeRef LLVMX86FP80Type(void);
1208 LLVMTypeRef LLVMFP128Type(void);
1209 LLVMTypeRef LLVMPPCFP128Type(void);
1210 
1211 /**
1212  * @}
1213  */
1214 
1215 /**
1216  * @defgroup LLVMCCoreTypeFunction Function Types
1217  *
1218  * @{
1219  */
1220 
1221 /**
1222  * Obtain a function type consisting of a specified signature.
1223  *
1224  * The function is defined as a tuple of a return Type, a list of
1225  * parameter types, and whether the function is variadic.
1226  */
1227 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
1228                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
1229                              LLVMBool IsVarArg);
1230 
1231 /**
1232  * Returns whether a function type is variadic.
1233  */
1234 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy);
1235 
1236 /**
1237  * Obtain the Type this function Type returns.
1238  */
1239 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy);
1240 
1241 /**
1242  * Obtain the number of parameters this function accepts.
1243  */
1244 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy);
1245 
1246 /**
1247  * Obtain the types of a function's parameters.
1248  *
1249  * The Dest parameter should point to a pre-allocated array of
1250  * LLVMTypeRef at least LLVMCountParamTypes() large. On return, the
1251  * first LLVMCountParamTypes() entries in the array will be populated
1252  * with LLVMTypeRef instances.
1253  *
1254  * @param FunctionTy The function type to operate on.
1255  * @param Dest Memory address of an array to be filled with result.
1256  */
1257 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest);
1258 
1259 /**
1260  * @}
1261  */
1262 
1263 /**
1264  * @defgroup LLVMCCoreTypeStruct Structure Types
1265  *
1266  * These functions relate to LLVMTypeRef instances.
1267  *
1268  * @see llvm::StructType
1269  *
1270  * @{
1271  */
1272 
1273 /**
1274  * Create a new structure type in a context.
1275  *
1276  * A structure is specified by a list of inner elements/types and
1277  * whether these can be packed together.
1278  *
1279  * @see llvm::StructType::create()
1280  */
1281 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
1282                                     unsigned ElementCount, LLVMBool Packed);
1283 
1284 /**
1285  * Create a new structure type in the global context.
1286  *
1287  * @see llvm::StructType::create()
1288  */
1289 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes, unsigned ElementCount,
1290                            LLVMBool Packed);
1291 
1292 /**
1293  * Create an empty structure in a context having a specified name.
1294  *
1295  * @see llvm::StructType::create()
1296  */
1297 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name);
1298 
1299 /**
1300  * Obtain the name of a structure.
1301  *
1302  * @see llvm::StructType::getName()
1303  */
1304 const char *LLVMGetStructName(LLVMTypeRef Ty);
1305 
1306 /**
1307  * Set the contents of a structure type.
1308  *
1309  * @see llvm::StructType::setBody()
1310  */
1311 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
1312                        unsigned ElementCount, LLVMBool Packed);
1313 
1314 /**
1315  * Get the number of elements defined inside the structure.
1316  *
1317  * @see llvm::StructType::getNumElements()
1318  */
1319 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy);
1320 
1321 /**
1322  * Get the elements within a structure.
1323  *
1324  * The function is passed the address of a pre-allocated array of
1325  * LLVMTypeRef at least LLVMCountStructElementTypes() long. After
1326  * invocation, this array will be populated with the structure's
1327  * elements. The objects in the destination array will have a lifetime
1328  * of the structure type itself, which is the lifetime of the context it
1329  * is contained in.
1330  */
1331 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest);
1332 
1333 /**
1334  * Get the type of the element at a given index in the structure.
1335  *
1336  * @see llvm::StructType::getTypeAtIndex()
1337  */
1338 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i);
1339 
1340 /**
1341  * Determine whether a structure is packed.
1342  *
1343  * @see llvm::StructType::isPacked()
1344  */
1345 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy);
1346 
1347 /**
1348  * Determine whether a structure is opaque.
1349  *
1350  * @see llvm::StructType::isOpaque()
1351  */
1352 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy);
1353 
1354 /**
1355  * Determine whether a structure is literal.
1356  *
1357  * @see llvm::StructType::isLiteral()
1358  */
1359 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy);
1360 
1361 /**
1362  * @}
1363  */
1364 
1365 /**
1366  * @defgroup LLVMCCoreTypeSequential Sequential Types
1367  *
1368  * Sequential types represents "arrays" of types. This is a super class
1369  * for array, vector, and pointer types.
1370  *
1371  * @{
1372  */
1373 
1374 /**
1375  * Obtain the type of elements within a sequential type.
1376  *
1377  * This works on array, vector, and pointer types.
1378  *
1379  * @see llvm::SequentialType::getElementType()
1380  */
1381 LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty);
1382 
1383 /**
1384  * Returns type's subtypes
1385  *
1386  * @see llvm::Type::subtypes()
1387  */
1388 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr);
1389 
1390 /**
1391  *  Return the number of types in the derived type.
1392  *
1393  * @see llvm::Type::getNumContainedTypes()
1394  */
1395 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp);
1396 
1397 /**
1398  * Create a fixed size array type that refers to a specific type.
1399  *
1400  * The created type will exist in the context that its element type
1401  * exists in.
1402  *
1403  * @see llvm::ArrayType::get()
1404  */
1405 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount);
1406 
1407 /**
1408  * Obtain the length of an array type.
1409  *
1410  * This only works on types that represent arrays.
1411  *
1412  * @see llvm::ArrayType::getNumElements()
1413  */
1414 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy);
1415 
1416 /**
1417  * Create a pointer type that points to a defined type.
1418  *
1419  * The created type will exist in the context that its pointee type
1420  * exists in.
1421  *
1422  * @see llvm::PointerType::get()
1423  */
1424 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace);
1425 
1426 /**
1427  * Obtain the address space of a pointer type.
1428  *
1429  * This only works on types that represent pointers.
1430  *
1431  * @see llvm::PointerType::getAddressSpace()
1432  */
1433 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy);
1434 
1435 /**
1436  * Create a vector type that contains a defined type and has a specific
1437  * number of elements.
1438  *
1439  * The created type will exist in the context thats its element type
1440  * exists in.
1441  *
1442  * @see llvm::VectorType::get()
1443  */
1444 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount);
1445 
1446 /**
1447  * Obtain the number of elements in a vector type.
1448  *
1449  * This only works on types that represent vectors.
1450  *
1451  * @see llvm::VectorType::getNumElements()
1452  */
1453 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy);
1454 
1455 /**
1456  * @}
1457  */
1458 
1459 /**
1460  * @defgroup LLVMCCoreTypeOther Other Types
1461  *
1462  * @{
1463  */
1464 
1465 /**
1466  * Create a void type in a context.
1467  */
1468 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C);
1469 
1470 /**
1471  * Create a label type in a context.
1472  */
1473 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C);
1474 
1475 /**
1476  * Create a X86 MMX type in a context.
1477  */
1478 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C);
1479 
1480 /**
1481  * Create a token type in a context.
1482  */
1483 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C);
1484 
1485 /**
1486  * Create a metadata type in a context.
1487  */
1488 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C);
1489 
1490 /**
1491  * These are similar to the above functions except they operate on the
1492  * global context.
1493  */
1494 LLVMTypeRef LLVMVoidType(void);
1495 LLVMTypeRef LLVMLabelType(void);
1496 LLVMTypeRef LLVMX86MMXType(void);
1497 
1498 /**
1499  * @}
1500  */
1501 
1502 /**
1503  * @}
1504  */
1505 
1506 /**
1507  * @defgroup LLVMCCoreValues Values
1508  *
1509  * The bulk of LLVM's object model consists of values, which comprise a very
1510  * rich type hierarchy.
1511  *
1512  * LLVMValueRef essentially represents llvm::Value. There is a rich
1513  * hierarchy of classes within this type. Depending on the instance
1514  * obtained, not all APIs are available.
1515  *
1516  * Callers can determine the type of an LLVMValueRef by calling the
1517  * LLVMIsA* family of functions (e.g. LLVMIsAArgument()). These
1518  * functions are defined by a macro, so it isn't obvious which are
1519  * available by looking at the Doxygen source code. Instead, look at the
1520  * source definition of LLVM_FOR_EACH_VALUE_SUBCLASS and note the list
1521  * of value names given. These value names also correspond to classes in
1522  * the llvm::Value hierarchy.
1523  *
1524  * @{
1525  */
1526 
1527 #define LLVM_FOR_EACH_VALUE_SUBCLASS(macro) \
1528   macro(Argument)                           \
1529   macro(BasicBlock)                         \
1530   macro(InlineAsm)                          \
1531   macro(User)                               \
1532     macro(Constant)                         \
1533       macro(BlockAddress)                   \
1534       macro(ConstantAggregateZero)          \
1535       macro(ConstantArray)                  \
1536       macro(ConstantDataSequential)         \
1537         macro(ConstantDataArray)            \
1538         macro(ConstantDataVector)           \
1539       macro(ConstantExpr)                   \
1540       macro(ConstantFP)                     \
1541       macro(ConstantInt)                    \
1542       macro(ConstantPointerNull)            \
1543       macro(ConstantStruct)                 \
1544       macro(ConstantTokenNone)              \
1545       macro(ConstantVector)                 \
1546       macro(GlobalValue)                    \
1547         macro(GlobalAlias)                  \
1548         macro(GlobalIFunc)                  \
1549         macro(GlobalObject)                 \
1550           macro(Function)                   \
1551           macro(GlobalVariable)             \
1552       macro(UndefValue)                     \
1553     macro(Instruction)                      \
1554       macro(UnaryOperator)                  \
1555       macro(BinaryOperator)                 \
1556       macro(CallInst)                       \
1557         macro(IntrinsicInst)                \
1558           macro(DbgInfoIntrinsic)           \
1559             macro(DbgVariableIntrinsic)     \
1560               macro(DbgDeclareInst)         \
1561             macro(DbgLabelInst)             \
1562           macro(MemIntrinsic)               \
1563             macro(MemCpyInst)               \
1564             macro(MemMoveInst)              \
1565             macro(MemSetInst)               \
1566       macro(CmpInst)                        \
1567         macro(FCmpInst)                     \
1568         macro(ICmpInst)                     \
1569       macro(ExtractElementInst)             \
1570       macro(GetElementPtrInst)              \
1571       macro(InsertElementInst)              \
1572       macro(InsertValueInst)                \
1573       macro(LandingPadInst)                 \
1574       macro(PHINode)                        \
1575       macro(SelectInst)                     \
1576       macro(ShuffleVectorInst)              \
1577       macro(StoreInst)                      \
1578       macro(BranchInst)                     \
1579       macro(IndirectBrInst)                 \
1580       macro(InvokeInst)                     \
1581       macro(ReturnInst)                     \
1582       macro(SwitchInst)                     \
1583       macro(UnreachableInst)                \
1584       macro(ResumeInst)                     \
1585       macro(CleanupReturnInst)              \
1586       macro(CatchReturnInst)                \
1587       macro(CatchSwitchInst)                \
1588       macro(CallBrInst)                     \
1589       macro(FuncletPadInst)                 \
1590         macro(CatchPadInst)                 \
1591         macro(CleanupPadInst)               \
1592       macro(UnaryInstruction)               \
1593         macro(AllocaInst)                   \
1594         macro(CastInst)                     \
1595           macro(AddrSpaceCastInst)          \
1596           macro(BitCastInst)                \
1597           macro(FPExtInst)                  \
1598           macro(FPToSIInst)                 \
1599           macro(FPToUIInst)                 \
1600           macro(FPTruncInst)                \
1601           macro(IntToPtrInst)               \
1602           macro(PtrToIntInst)               \
1603           macro(SExtInst)                   \
1604           macro(SIToFPInst)                 \
1605           macro(TruncInst)                  \
1606           macro(UIToFPInst)                 \
1607           macro(ZExtInst)                   \
1608         macro(ExtractValueInst)             \
1609         macro(LoadInst)                     \
1610         macro(VAArgInst)                    \
1611         macro(FreezeInst)                   \
1612       macro(AtomicCmpXchgInst)              \
1613       macro(AtomicRMWInst)                  \
1614       macro(FenceInst)
1615 
1616 /**
1617  * @defgroup LLVMCCoreValueGeneral General APIs
1618  *
1619  * Functions in this section work on all LLVMValueRef instances,
1620  * regardless of their sub-type. They correspond to functions available
1621  * on llvm::Value.
1622  *
1623  * @{
1624  */
1625 
1626 /**
1627  * Obtain the type of a value.
1628  *
1629  * @see llvm::Value::getType()
1630  */
1631 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val);
1632 
1633 /**
1634  * Obtain the enumerated type of a Value instance.
1635  *
1636  * @see llvm::Value::getValueID()
1637  */
1638 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val);
1639 
1640 /**
1641  * Obtain the string name of a value.
1642  *
1643  * @see llvm::Value::getName()
1644  */
1645 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length);
1646 
1647 /**
1648  * Set the string name of a value.
1649  *
1650  * @see llvm::Value::setName()
1651  */
1652 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen);
1653 
1654 /**
1655  * Dump a representation of a value to stderr.
1656  *
1657  * @see llvm::Value::dump()
1658  */
1659 void LLVMDumpValue(LLVMValueRef Val);
1660 
1661 /**
1662  * Return a string representation of the value. Use
1663  * LLVMDisposeMessage to free the string.
1664  *
1665  * @see llvm::Value::print()
1666  */
1667 char *LLVMPrintValueToString(LLVMValueRef Val);
1668 
1669 /**
1670  * Replace all uses of a value with another one.
1671  *
1672  * @see llvm::Value::replaceAllUsesWith()
1673  */
1674 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal);
1675 
1676 /**
1677  * Determine whether the specified value instance is constant.
1678  */
1679 LLVMBool LLVMIsConstant(LLVMValueRef Val);
1680 
1681 /**
1682  * Determine whether a value instance is undefined.
1683  */
1684 LLVMBool LLVMIsUndef(LLVMValueRef Val);
1685 
1686 /**
1687  * Convert value instances between types.
1688  *
1689  * Internally, an LLVMValueRef is "pinned" to a specific type. This
1690  * series of functions allows you to cast an instance to a specific
1691  * type.
1692  *
1693  * If the cast is not valid for the specified type, NULL is returned.
1694  *
1695  * @see llvm::dyn_cast_or_null<>
1696  */
1697 #define LLVM_DECLARE_VALUE_CAST(name) \
1698   LLVMValueRef LLVMIsA##name(LLVMValueRef Val);
1699 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DECLARE_VALUE_CAST)
1700 
1701 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val);
1702 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val);
1703 
1704 /** Deprecated: Use LLVMGetValueName2 instead. */
1705 const char *LLVMGetValueName(LLVMValueRef Val);
1706 /** Deprecated: Use LLVMSetValueName2 instead. */
1707 void LLVMSetValueName(LLVMValueRef Val, const char *Name);
1708 
1709 /**
1710  * @}
1711  */
1712 
1713 /**
1714  * @defgroup LLVMCCoreValueUses Usage
1715  *
1716  * This module defines functions that allow you to inspect the uses of a
1717  * LLVMValueRef.
1718  *
1719  * It is possible to obtain an LLVMUseRef for any LLVMValueRef instance.
1720  * Each LLVMUseRef (which corresponds to a llvm::Use instance) holds a
1721  * llvm::User and llvm::Value.
1722  *
1723  * @{
1724  */
1725 
1726 /**
1727  * Obtain the first use of a value.
1728  *
1729  * Uses are obtained in an iterator fashion. First, call this function
1730  * to obtain a reference to the first use. Then, call LLVMGetNextUse()
1731  * on that instance and all subsequently obtained instances until
1732  * LLVMGetNextUse() returns NULL.
1733  *
1734  * @see llvm::Value::use_begin()
1735  */
1736 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val);
1737 
1738 /**
1739  * Obtain the next use of a value.
1740  *
1741  * This effectively advances the iterator. It returns NULL if you are on
1742  * the final use and no more are available.
1743  */
1744 LLVMUseRef LLVMGetNextUse(LLVMUseRef U);
1745 
1746 /**
1747  * Obtain the user value for a user.
1748  *
1749  * The returned value corresponds to a llvm::User type.
1750  *
1751  * @see llvm::Use::getUser()
1752  */
1753 LLVMValueRef LLVMGetUser(LLVMUseRef U);
1754 
1755 /**
1756  * Obtain the value this use corresponds to.
1757  *
1758  * @see llvm::Use::get().
1759  */
1760 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U);
1761 
1762 /**
1763  * @}
1764  */
1765 
1766 /**
1767  * @defgroup LLVMCCoreValueUser User value
1768  *
1769  * Function in this group pertain to LLVMValueRef instances that descent
1770  * from llvm::User. This includes constants, instructions, and
1771  * operators.
1772  *
1773  * @{
1774  */
1775 
1776 /**
1777  * Obtain an operand at a specific index in a llvm::User value.
1778  *
1779  * @see llvm::User::getOperand()
1780  */
1781 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index);
1782 
1783 /**
1784  * Obtain the use of an operand at a specific index in a llvm::User value.
1785  *
1786  * @see llvm::User::getOperandUse()
1787  */
1788 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index);
1789 
1790 /**
1791  * Set an operand at a specific index in a llvm::User value.
1792  *
1793  * @see llvm::User::setOperand()
1794  */
1795 void LLVMSetOperand(LLVMValueRef User, unsigned Index, LLVMValueRef Val);
1796 
1797 /**
1798  * Obtain the number of operands in a llvm::User value.
1799  *
1800  * @see llvm::User::getNumOperands()
1801  */
1802 int LLVMGetNumOperands(LLVMValueRef Val);
1803 
1804 /**
1805  * @}
1806  */
1807 
1808 /**
1809  * @defgroup LLVMCCoreValueConstant Constants
1810  *
1811  * This section contains APIs for interacting with LLVMValueRef that
1812  * correspond to llvm::Constant instances.
1813  *
1814  * These functions will work for any LLVMValueRef in the llvm::Constant
1815  * class hierarchy.
1816  *
1817  * @{
1818  */
1819 
1820 /**
1821  * Obtain a constant value referring to the null instance of a type.
1822  *
1823  * @see llvm::Constant::getNullValue()
1824  */
1825 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty); /* all zeroes */
1826 
1827 /**
1828  * Obtain a constant value referring to the instance of a type
1829  * consisting of all ones.
1830  *
1831  * This is only valid for integer types.
1832  *
1833  * @see llvm::Constant::getAllOnesValue()
1834  */
1835 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty);
1836 
1837 /**
1838  * Obtain a constant value referring to an undefined value of a type.
1839  *
1840  * @see llvm::UndefValue::get()
1841  */
1842 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty);
1843 
1844 /**
1845  * Determine whether a value instance is null.
1846  *
1847  * @see llvm::Constant::isNullValue()
1848  */
1849 LLVMBool LLVMIsNull(LLVMValueRef Val);
1850 
1851 /**
1852  * Obtain a constant that is a constant pointer pointing to NULL for a
1853  * specified type.
1854  */
1855 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty);
1856 
1857 /**
1858  * @defgroup LLVMCCoreValueConstantScalar Scalar constants
1859  *
1860  * Functions in this group model LLVMValueRef instances that correspond
1861  * to constants referring to scalar types.
1862  *
1863  * For integer types, the LLVMTypeRef parameter should correspond to a
1864  * llvm::IntegerType instance and the returned LLVMValueRef will
1865  * correspond to a llvm::ConstantInt.
1866  *
1867  * For floating point types, the LLVMTypeRef returned corresponds to a
1868  * llvm::ConstantFP.
1869  *
1870  * @{
1871  */
1872 
1873 /**
1874  * Obtain a constant value for an integer type.
1875  *
1876  * The returned value corresponds to a llvm::ConstantInt.
1877  *
1878  * @see llvm::ConstantInt::get()
1879  *
1880  * @param IntTy Integer type to obtain value of.
1881  * @param N The value the returned instance should refer to.
1882  * @param SignExtend Whether to sign extend the produced value.
1883  */
1884 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1885                           LLVMBool SignExtend);
1886 
1887 /**
1888  * Obtain a constant value for an integer of arbitrary precision.
1889  *
1890  * @see llvm::ConstantInt::get()
1891  */
1892 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1893                                               unsigned NumWords,
1894                                               const uint64_t Words[]);
1895 
1896 /**
1897  * Obtain a constant value for an integer parsed from a string.
1898  *
1899  * A similar API, LLVMConstIntOfStringAndSize is also available. If the
1900  * string's length is available, it is preferred to call that function
1901  * instead.
1902  *
1903  * @see llvm::ConstantInt::get()
1904  */
1905 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char *Text,
1906                                   uint8_t Radix);
1907 
1908 /**
1909  * Obtain a constant value for an integer parsed from a string with
1910  * specified length.
1911  *
1912  * @see llvm::ConstantInt::get()
1913  */
1914 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char *Text,
1915                                          unsigned SLen, uint8_t Radix);
1916 
1917 /**
1918  * Obtain a constant value referring to a double floating point value.
1919  */
1920 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N);
1921 
1922 /**
1923  * Obtain a constant for a floating point value parsed from a string.
1924  *
1925  * A similar API, LLVMConstRealOfStringAndSize is also available. It
1926  * should be used if the input string's length is known.
1927  */
1928 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text);
1929 
1930 /**
1931  * Obtain a constant for a floating point value parsed from a string.
1932  */
1933 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char *Text,
1934                                           unsigned SLen);
1935 
1936 /**
1937  * Obtain the zero extended value for an integer constant value.
1938  *
1939  * @see llvm::ConstantInt::getZExtValue()
1940  */
1941 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal);
1942 
1943 /**
1944  * Obtain the sign extended value for an integer constant value.
1945  *
1946  * @see llvm::ConstantInt::getSExtValue()
1947  */
1948 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal);
1949 
1950 /**
1951  * Obtain the double value for an floating point constant value.
1952  * losesInfo indicates if some precision was lost in the conversion.
1953  *
1954  * @see llvm::ConstantFP::getDoubleValue
1955  */
1956 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *losesInfo);
1957 
1958 /**
1959  * @}
1960  */
1961 
1962 /**
1963  * @defgroup LLVMCCoreValueConstantComposite Composite Constants
1964  *
1965  * Functions in this group operate on composite constants.
1966  *
1967  * @{
1968  */
1969 
1970 /**
1971  * Create a ConstantDataSequential and initialize it with a string.
1972  *
1973  * @see llvm::ConstantDataArray::getString()
1974  */
1975 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
1976                                       unsigned Length, LLVMBool DontNullTerminate);
1977 
1978 /**
1979  * Create a ConstantDataSequential with string content in the global context.
1980  *
1981  * This is the same as LLVMConstStringInContext except it operates on the
1982  * global context.
1983  *
1984  * @see LLVMConstStringInContext()
1985  * @see llvm::ConstantDataArray::getString()
1986  */
1987 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
1988                              LLVMBool DontNullTerminate);
1989 
1990 /**
1991  * Returns true if the specified constant is an array of i8.
1992  *
1993  * @see ConstantDataSequential::getAsString()
1994  */
1995 LLVMBool LLVMIsConstantString(LLVMValueRef c);
1996 
1997 /**
1998  * Get the given constant data sequential as a string.
1999  *
2000  * @see ConstantDataSequential::getAsString()
2001  */
2002 const char *LLVMGetAsString(LLVMValueRef c, size_t *Length);
2003 
2004 /**
2005  * Create an anonymous ConstantStruct with the specified values.
2006  *
2007  * @see llvm::ConstantStruct::getAnon()
2008  */
2009 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
2010                                       LLVMValueRef *ConstantVals,
2011                                       unsigned Count, LLVMBool Packed);
2012 
2013 /**
2014  * Create a ConstantStruct in the global Context.
2015  *
2016  * This is the same as LLVMConstStructInContext except it operates on the
2017  * global Context.
2018  *
2019  * @see LLVMConstStructInContext()
2020  */
2021 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
2022                              LLVMBool Packed);
2023 
2024 /**
2025  * Create a ConstantArray from values.
2026  *
2027  * @see llvm::ConstantArray::get()
2028  */
2029 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
2030                             LLVMValueRef *ConstantVals, unsigned Length);
2031 
2032 /**
2033  * Create a non-anonymous ConstantStruct from values.
2034  *
2035  * @see llvm::ConstantStruct::get()
2036  */
2037 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
2038                                   LLVMValueRef *ConstantVals,
2039                                   unsigned Count);
2040 
2041 /**
2042  * Get an element at specified index as a constant.
2043  *
2044  * @see ConstantDataSequential::getElementAsConstant()
2045  */
2046 LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx);
2047 
2048 /**
2049  * Create a ConstantVector from values.
2050  *
2051  * @see llvm::ConstantVector::get()
2052  */
2053 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size);
2054 
2055 /**
2056  * @}
2057  */
2058 
2059 /**
2060  * @defgroup LLVMCCoreValueConstantExpressions Constant Expressions
2061  *
2062  * Functions in this group correspond to APIs on llvm::ConstantExpr.
2063  *
2064  * @see llvm::ConstantExpr.
2065  *
2066  * @{
2067  */
2068 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal);
2069 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty);
2070 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty);
2071 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal);
2072 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal);
2073 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal);
2074 LLVMValueRef LLVMConstFNeg(LLVMValueRef ConstantVal);
2075 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal);
2076 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2077 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2078 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2079 LLVMValueRef LLVMConstFAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2080 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2081 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2082 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2083 LLVMValueRef LLVMConstFSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2084 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2085 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2086 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2087 LLVMValueRef LLVMConstFMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2088 LLVMValueRef LLVMConstUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2089 LLVMValueRef LLVMConstExactUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2090 LLVMValueRef LLVMConstSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2091 LLVMValueRef LLVMConstExactSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2092 LLVMValueRef LLVMConstFDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2093 LLVMValueRef LLVMConstURem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2094 LLVMValueRef LLVMConstSRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2095 LLVMValueRef LLVMConstFRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2096 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2097 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2098 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2099 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
2100                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2101 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
2102                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2103 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2104 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2105 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2106 LLVMValueRef LLVMConstGEP(LLVMValueRef ConstantVal,
2107                           LLVMValueRef *ConstantIndices, unsigned NumIndices);
2108 LLVMValueRef LLVMConstGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2109                            LLVMValueRef *ConstantIndices, unsigned NumIndices);
2110 LLVMValueRef LLVMConstInBoundsGEP(LLVMValueRef ConstantVal,
2111                                   LLVMValueRef *ConstantIndices,
2112                                   unsigned NumIndices);
2113 LLVMValueRef LLVMConstInBoundsGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2114                                    LLVMValueRef *ConstantIndices,
2115                                    unsigned NumIndices);
2116 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2117 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2118 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2119 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2120 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2121 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2122 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2123 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2124 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2125 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2126 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2127 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2128 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2129 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
2130                                     LLVMTypeRef ToType);
2131 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
2132                                     LLVMTypeRef ToType);
2133 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
2134                                      LLVMTypeRef ToType);
2135 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
2136                                   LLVMTypeRef ToType);
2137 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
2138                               LLVMBool isSigned);
2139 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2140 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
2141                              LLVMValueRef ConstantIfTrue,
2142                              LLVMValueRef ConstantIfFalse);
2143 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
2144                                      LLVMValueRef IndexConstant);
2145 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
2146                                     LLVMValueRef ElementValueConstant,
2147                                     LLVMValueRef IndexConstant);
2148 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
2149                                     LLVMValueRef VectorBConstant,
2150                                     LLVMValueRef MaskConstant);
2151 LLVMValueRef LLVMConstExtractValue(LLVMValueRef AggConstant, unsigned *IdxList,
2152                                    unsigned NumIdx);
2153 LLVMValueRef LLVMConstInsertValue(LLVMValueRef AggConstant,
2154                                   LLVMValueRef ElementValueConstant,
2155                                   unsigned *IdxList, unsigned NumIdx);
2156 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB);
2157 
2158 /** Deprecated: Use LLVMGetInlineAsm instead. */
2159 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty,
2160                                 const char *AsmString, const char *Constraints,
2161                                 LLVMBool HasSideEffects, LLVMBool IsAlignStack);
2162 
2163 /**
2164  * @}
2165  */
2166 
2167 /**
2168  * @defgroup LLVMCCoreValueConstantGlobals Global Values
2169  *
2170  * This group contains functions that operate on global values. Functions in
2171  * this group relate to functions in the llvm::GlobalValue class tree.
2172  *
2173  * @see llvm::GlobalValue
2174  *
2175  * @{
2176  */
2177 
2178 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global);
2179 LLVMBool LLVMIsDeclaration(LLVMValueRef Global);
2180 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global);
2181 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage);
2182 const char *LLVMGetSection(LLVMValueRef Global);
2183 void LLVMSetSection(LLVMValueRef Global, const char *Section);
2184 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
2185 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
2186 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global);
2187 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class);
2188 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global);
2189 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr);
2190 
2191 /**
2192  * Returns the "value type" of a global value.  This differs from the formal
2193  * type of a global value which is always a pointer type.
2194  *
2195  * @see llvm::GlobalValue::getValueType()
2196  */
2197 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global);
2198 
2199 /** Deprecated: Use LLVMGetUnnamedAddress instead. */
2200 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global);
2201 /** Deprecated: Use LLVMSetUnnamedAddress instead. */
2202 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr);
2203 
2204 /**
2205  * @defgroup LLVMCCoreValueWithAlignment Values with alignment
2206  *
2207  * Functions in this group only apply to values with alignment, i.e.
2208  * global variables, load and store instructions.
2209  */
2210 
2211 /**
2212  * Obtain the preferred alignment of the value.
2213  * @see llvm::AllocaInst::getAlignment()
2214  * @see llvm::LoadInst::getAlignment()
2215  * @see llvm::StoreInst::getAlignment()
2216  * @see llvm::GlobalValue::getAlignment()
2217  */
2218 unsigned LLVMGetAlignment(LLVMValueRef V);
2219 
2220 /**
2221  * Set the preferred alignment of the value.
2222  * @see llvm::AllocaInst::setAlignment()
2223  * @see llvm::LoadInst::setAlignment()
2224  * @see llvm::StoreInst::setAlignment()
2225  * @see llvm::GlobalValue::setAlignment()
2226  */
2227 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes);
2228 
2229 /**
2230  * Sets a metadata attachment, erasing the existing metadata attachment if
2231  * it already exists for the given kind.
2232  *
2233  * @see llvm::GlobalObject::setMetadata()
2234  */
2235 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2236                            LLVMMetadataRef MD);
2237 
2238 /**
2239  * Erases a metadata attachment of the given kind if it exists.
2240  *
2241  * @see llvm::GlobalObject::eraseMetadata()
2242  */
2243 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind);
2244 
2245 /**
2246  * Removes all metadata attachments from this value.
2247  *
2248  * @see llvm::GlobalObject::clearMetadata()
2249  */
2250 void LLVMGlobalClearMetadata(LLVMValueRef Global);
2251 
2252 /**
2253  * Retrieves an array of metadata entries representing the metadata attached to
2254  * this value. The caller is responsible for freeing this array by calling
2255  * \c LLVMDisposeValueMetadataEntries.
2256  *
2257  * @see llvm::GlobalObject::getAllMetadata()
2258  */
2259 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2260                                                   size_t *NumEntries);
2261 
2262 /**
2263  * Destroys value metadata entries.
2264  */
2265 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries);
2266 
2267 /**
2268  * Returns the kind of a value metadata entry at a specific index.
2269  */
2270 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2271                                          unsigned Index);
2272 
2273 /**
2274  * Returns the underlying metadata node of a value metadata entry at a
2275  * specific index.
2276  */
2277 LLVMMetadataRef
2278 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2279                                     unsigned Index);
2280 
2281 /**
2282  * @}
2283  */
2284 
2285 /**
2286  * @defgroup LLVMCoreValueConstantGlobalVariable Global Variables
2287  *
2288  * This group contains functions that operate on global variable values.
2289  *
2290  * @see llvm::GlobalVariable
2291  *
2292  * @{
2293  */
2294 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name);
2295 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2296                                          const char *Name,
2297                                          unsigned AddressSpace);
2298 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name);
2299 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M);
2300 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M);
2301 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar);
2302 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar);
2303 void LLVMDeleteGlobal(LLVMValueRef GlobalVar);
2304 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar);
2305 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal);
2306 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar);
2307 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal);
2308 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar);
2309 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant);
2310 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar);
2311 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode);
2312 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar);
2313 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit);
2314 
2315 /**
2316  * @}
2317  */
2318 
2319 /**
2320  * @defgroup LLVMCoreValueConstantGlobalAlias Global Aliases
2321  *
2322  * This group contains function that operate on global alias values.
2323  *
2324  * @see llvm::GlobalAlias
2325  *
2326  * @{
2327  */
2328 LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty, LLVMValueRef Aliasee,
2329                           const char *Name);
2330 
2331 /**
2332  * Obtain a GlobalAlias value from a Module by its name.
2333  *
2334  * The returned value corresponds to a llvm::GlobalAlias value.
2335  *
2336  * @see llvm::Module::getNamedAlias()
2337  */
2338 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2339                                      const char *Name, size_t NameLen);
2340 
2341 /**
2342  * Obtain an iterator to the first GlobalAlias in a Module.
2343  *
2344  * @see llvm::Module::alias_begin()
2345  */
2346 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M);
2347 
2348 /**
2349  * Obtain an iterator to the last GlobalAlias in a Module.
2350  *
2351  * @see llvm::Module::alias_end()
2352  */
2353 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M);
2354 
2355 /**
2356  * Advance a GlobalAlias iterator to the next GlobalAlias.
2357  *
2358  * Returns NULL if the iterator was already at the end and there are no more
2359  * global aliases.
2360  */
2361 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA);
2362 
2363 /**
2364  * Decrement a GlobalAlias iterator to the previous GlobalAlias.
2365  *
2366  * Returns NULL if the iterator was already at the beginning and there are
2367  * no previous global aliases.
2368  */
2369 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA);
2370 
2371 /**
2372  * Retrieve the target value of an alias.
2373  */
2374 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias);
2375 
2376 /**
2377  * Set the target value of an alias.
2378  */
2379 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee);
2380 
2381 /**
2382  * @}
2383  */
2384 
2385 /**
2386  * @defgroup LLVMCCoreValueFunction Function values
2387  *
2388  * Functions in this group operate on LLVMValueRef instances that
2389  * correspond to llvm::Function instances.
2390  *
2391  * @see llvm::Function
2392  *
2393  * @{
2394  */
2395 
2396 /**
2397  * Remove a function from its containing module and deletes it.
2398  *
2399  * @see llvm::Function::eraseFromParent()
2400  */
2401 void LLVMDeleteFunction(LLVMValueRef Fn);
2402 
2403 /**
2404  * Check whether the given function has a personality function.
2405  *
2406  * @see llvm::Function::hasPersonalityFn()
2407  */
2408 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn);
2409 
2410 /**
2411  * Obtain the personality function attached to the function.
2412  *
2413  * @see llvm::Function::getPersonalityFn()
2414  */
2415 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn);
2416 
2417 /**
2418  * Set the personality function attached to the function.
2419  *
2420  * @see llvm::Function::setPersonalityFn()
2421  */
2422 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn);
2423 
2424 /**
2425  * Obtain the intrinsic ID number which matches the given function name.
2426  *
2427  * @see llvm::Function::lookupIntrinsicID()
2428  */
2429 unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen);
2430 
2431 /**
2432  * Obtain the ID number from a function instance.
2433  *
2434  * @see llvm::Function::getIntrinsicID()
2435  */
2436 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn);
2437 
2438 /**
2439  * Create or insert the declaration of an intrinsic.  For overloaded intrinsics,
2440  * parameter types must be provided to uniquely identify an overload.
2441  *
2442  * @see llvm::Intrinsic::getDeclaration()
2443  */
2444 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2445                                          unsigned ID,
2446                                          LLVMTypeRef *ParamTypes,
2447                                          size_t ParamCount);
2448 
2449 /**
2450  * Retrieves the type of an intrinsic.  For overloaded intrinsics, parameter
2451  * types must be provided to uniquely identify an overload.
2452  *
2453  * @see llvm::Intrinsic::getType()
2454  */
2455 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2456                                  LLVMTypeRef *ParamTypes, size_t ParamCount);
2457 
2458 /**
2459  * Retrieves the name of an intrinsic.
2460  *
2461  * @see llvm::Intrinsic::getName()
2462  */
2463 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength);
2464 
2465 /**
2466  * Copies the name of an overloaded intrinsic identified by a given list of
2467  * parameter types.
2468  *
2469  * Unlike LLVMIntrinsicGetName, the caller is responsible for freeing the
2470  * returned string.
2471  *
2472  * @see llvm::Intrinsic::getName()
2473  */
2474 const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
2475                                             LLVMTypeRef *ParamTypes,
2476                                             size_t ParamCount,
2477                                             size_t *NameLength);
2478 
2479 /**
2480  * Obtain if the intrinsic identified by the given ID is overloaded.
2481  *
2482  * @see llvm::Intrinsic::isOverloaded()
2483  */
2484 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID);
2485 
2486 /**
2487  * Obtain the calling function of a function.
2488  *
2489  * The returned value corresponds to the LLVMCallConv enumeration.
2490  *
2491  * @see llvm::Function::getCallingConv()
2492  */
2493 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn);
2494 
2495 /**
2496  * Set the calling convention of a function.
2497  *
2498  * @see llvm::Function::setCallingConv()
2499  *
2500  * @param Fn Function to operate on
2501  * @param CC LLVMCallConv to set calling convention to
2502  */
2503 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC);
2504 
2505 /**
2506  * Obtain the name of the garbage collector to use during code
2507  * generation.
2508  *
2509  * @see llvm::Function::getGC()
2510  */
2511 const char *LLVMGetGC(LLVMValueRef Fn);
2512 
2513 /**
2514  * Define the garbage collector to use during code generation.
2515  *
2516  * @see llvm::Function::setGC()
2517  */
2518 void LLVMSetGC(LLVMValueRef Fn, const char *Name);
2519 
2520 /**
2521  * Add an attribute to a function.
2522  *
2523  * @see llvm::Function::addAttribute()
2524  */
2525 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2526                              LLVMAttributeRef A);
2527 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx);
2528 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2529                               LLVMAttributeRef *Attrs);
2530 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2531                                              LLVMAttributeIndex Idx,
2532                                              unsigned KindID);
2533 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2534                                                LLVMAttributeIndex Idx,
2535                                                const char *K, unsigned KLen);
2536 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2537                                     unsigned KindID);
2538 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2539                                       const char *K, unsigned KLen);
2540 
2541 /**
2542  * Add a target-dependent attribute to a function
2543  * @see llvm::AttrBuilder::addAttribute()
2544  */
2545 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2546                                         const char *V);
2547 
2548 /**
2549  * @defgroup LLVMCCoreValueFunctionParameters Function Parameters
2550  *
2551  * Functions in this group relate to arguments/parameters on functions.
2552  *
2553  * Functions in this group expect LLVMValueRef instances that correspond
2554  * to llvm::Function instances.
2555  *
2556  * @{
2557  */
2558 
2559 /**
2560  * Obtain the number of parameters in a function.
2561  *
2562  * @see llvm::Function::arg_size()
2563  */
2564 unsigned LLVMCountParams(LLVMValueRef Fn);
2565 
2566 /**
2567  * Obtain the parameters in a function.
2568  *
2569  * The takes a pointer to a pre-allocated array of LLVMValueRef that is
2570  * at least LLVMCountParams() long. This array will be filled with
2571  * LLVMValueRef instances which correspond to the parameters the
2572  * function receives. Each LLVMValueRef corresponds to a llvm::Argument
2573  * instance.
2574  *
2575  * @see llvm::Function::arg_begin()
2576  */
2577 void LLVMGetParams(LLVMValueRef Fn, LLVMValueRef *Params);
2578 
2579 /**
2580  * Obtain the parameter at the specified index.
2581  *
2582  * Parameters are indexed from 0.
2583  *
2584  * @see llvm::Function::arg_begin()
2585  */
2586 LLVMValueRef LLVMGetParam(LLVMValueRef Fn, unsigned Index);
2587 
2588 /**
2589  * Obtain the function to which this argument belongs.
2590  *
2591  * Unlike other functions in this group, this one takes an LLVMValueRef
2592  * that corresponds to a llvm::Attribute.
2593  *
2594  * The returned LLVMValueRef is the llvm::Function to which this
2595  * argument belongs.
2596  */
2597 LLVMValueRef LLVMGetParamParent(LLVMValueRef Inst);
2598 
2599 /**
2600  * Obtain the first parameter to a function.
2601  *
2602  * @see llvm::Function::arg_begin()
2603  */
2604 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn);
2605 
2606 /**
2607  * Obtain the last parameter to a function.
2608  *
2609  * @see llvm::Function::arg_end()
2610  */
2611 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn);
2612 
2613 /**
2614  * Obtain the next parameter to a function.
2615  *
2616  * This takes an LLVMValueRef obtained from LLVMGetFirstParam() (which is
2617  * actually a wrapped iterator) and obtains the next parameter from the
2618  * underlying iterator.
2619  */
2620 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg);
2621 
2622 /**
2623  * Obtain the previous parameter to a function.
2624  *
2625  * This is the opposite of LLVMGetNextParam().
2626  */
2627 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg);
2628 
2629 /**
2630  * Set the alignment for a function parameter.
2631  *
2632  * @see llvm::Argument::addAttr()
2633  * @see llvm::AttrBuilder::addAlignmentAttr()
2634  */
2635 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned Align);
2636 
2637 /**
2638  * @}
2639  */
2640 
2641 /**
2642  * @defgroup LLVMCCoreValueGlobalIFunc IFuncs
2643  *
2644  * Functions in this group relate to indirect functions.
2645  *
2646  * Functions in this group expect LLVMValueRef instances that correspond
2647  * to llvm::GlobalIFunc instances.
2648  *
2649  * @{
2650  */
2651 
2652 /**
2653  * Add a global indirect function to a module under a specified name.
2654  *
2655  * @see llvm::GlobalIFunc::create()
2656  */
2657 LLVMValueRef LLVMAddGlobalIFunc(LLVMModuleRef M,
2658                                 const char *Name, size_t NameLen,
2659                                 LLVMTypeRef Ty, unsigned AddrSpace,
2660                                 LLVMValueRef Resolver);
2661 
2662 /**
2663  * Obtain a GlobalIFunc value from a Module by its name.
2664  *
2665  * The returned value corresponds to a llvm::GlobalIFunc value.
2666  *
2667  * @see llvm::Module::getNamedIFunc()
2668  */
2669 LLVMValueRef LLVMGetNamedGlobalIFunc(LLVMModuleRef M,
2670                                      const char *Name, size_t NameLen);
2671 
2672 /**
2673  * Obtain an iterator to the first GlobalIFunc in a Module.
2674  *
2675  * @see llvm::Module::ifunc_begin()
2676  */
2677 LLVMValueRef LLVMGetFirstGlobalIFunc(LLVMModuleRef M);
2678 
2679 /**
2680  * Obtain an iterator to the last GlobalIFunc in a Module.
2681  *
2682  * @see llvm::Module::ifunc_end()
2683  */
2684 LLVMValueRef LLVMGetLastGlobalIFunc(LLVMModuleRef M);
2685 
2686 /**
2687  * Advance a GlobalIFunc iterator to the next GlobalIFunc.
2688  *
2689  * Returns NULL if the iterator was already at the end and there are no more
2690  * global aliases.
2691  */
2692 LLVMValueRef LLVMGetNextGlobalIFunc(LLVMValueRef IFunc);
2693 
2694 /**
2695  * Decrement a GlobalIFunc iterator to the previous GlobalIFunc.
2696  *
2697  * Returns NULL if the iterator was already at the beginning and there are
2698  * no previous global aliases.
2699  */
2700 LLVMValueRef LLVMGetPreviousGlobalIFunc(LLVMValueRef IFunc);
2701 
2702 /**
2703  * Retrieves the resolver function associated with this indirect function, or
2704  * NULL if it doesn't not exist.
2705  *
2706  * @see llvm::GlobalIFunc::getResolver()
2707  */
2708 LLVMValueRef LLVMGetGlobalIFuncResolver(LLVMValueRef IFunc);
2709 
2710 /**
2711  * Sets the resolver function associated with this indirect function.
2712  *
2713  * @see llvm::GlobalIFunc::setResolver()
2714  */
2715 void LLVMSetGlobalIFuncResolver(LLVMValueRef IFunc, LLVMValueRef Resolver);
2716 
2717 /**
2718  * Remove a global indirect function from its parent module and delete it.
2719  *
2720  * @see llvm::GlobalIFunc::eraseFromParent()
2721  */
2722 void LLVMEraseGlobalIFunc(LLVMValueRef IFunc);
2723 
2724 /**
2725  * Remove a global indirect function from its parent module.
2726  *
2727  * This unlinks the global indirect function from its containing module but
2728  * keeps it alive.
2729  *
2730  * @see llvm::GlobalIFunc::removeFromParent()
2731  */
2732 void LLVMRemoveGlobalIFunc(LLVMValueRef IFunc);
2733 
2734 /**
2735  * @}
2736  */
2737 
2738 /**
2739  * @}
2740  */
2741 
2742 /**
2743  * @}
2744  */
2745 
2746 /**
2747  * @}
2748  */
2749 
2750 /**
2751  * @defgroup LLVMCCoreValueMetadata Metadata
2752  *
2753  * @{
2754  */
2755 
2756 /**
2757  * Create an MDString value from a given string value.
2758  *
2759  * The MDString value does not take ownership of the given string, it remains
2760  * the responsibility of the caller to free it.
2761  *
2762  * @see llvm::MDString::get()
2763  */
2764 LLVMMetadataRef LLVMMDStringInContext2(LLVMContextRef C, const char *Str,
2765                                        size_t SLen);
2766 
2767 /**
2768  * Create an MDNode value with the given array of operands.
2769  *
2770  * @see llvm::MDNode::get()
2771  */
2772 LLVMMetadataRef LLVMMDNodeInContext2(LLVMContextRef C, LLVMMetadataRef *MDs,
2773                                      size_t Count);
2774 
2775 /**
2776  * Obtain a Metadata as a Value.
2777  */
2778 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD);
2779 
2780 /**
2781  * Obtain a Value as a Metadata.
2782  */
2783 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val);
2784 
2785 /**
2786  * Obtain the underlying string from a MDString value.
2787  *
2788  * @param V Instance to obtain string from.
2789  * @param Length Memory address which will hold length of returned string.
2790  * @return String data in MDString.
2791  */
2792 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length);
2793 
2794 /**
2795  * Obtain the number of operands from an MDNode value.
2796  *
2797  * @param V MDNode to get number of operands from.
2798  * @return Number of operands of the MDNode.
2799  */
2800 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V);
2801 
2802 /**
2803  * Obtain the given MDNode's operands.
2804  *
2805  * The passed LLVMValueRef pointer should point to enough memory to hold all of
2806  * the operands of the given MDNode (see LLVMGetMDNodeNumOperands) as
2807  * LLVMValueRefs. This memory will be populated with the LLVMValueRefs of the
2808  * MDNode's operands.
2809  *
2810  * @param V MDNode to get the operands from.
2811  * @param Dest Destination array for operands.
2812  */
2813 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest);
2814 
2815 /** Deprecated: Use LLVMMDStringInContext2 instead. */
2816 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
2817                                    unsigned SLen);
2818 /** Deprecated: Use LLVMMDStringInContext2 instead. */
2819 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen);
2820 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
2821 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
2822                                  unsigned Count);
2823 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
2824 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count);
2825 
2826 /**
2827  * @}
2828  */
2829 
2830 /**
2831  * @defgroup LLVMCCoreValueBasicBlock Basic Block
2832  *
2833  * A basic block represents a single entry single exit section of code.
2834  * Basic blocks contain a list of instructions which form the body of
2835  * the block.
2836  *
2837  * Basic blocks belong to functions. They have the type of label.
2838  *
2839  * Basic blocks are themselves values. However, the C API models them as
2840  * LLVMBasicBlockRef.
2841  *
2842  * @see llvm::BasicBlock
2843  *
2844  * @{
2845  */
2846 
2847 /**
2848  * Convert a basic block instance to a value type.
2849  */
2850 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB);
2851 
2852 /**
2853  * Determine whether an LLVMValueRef is itself a basic block.
2854  */
2855 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val);
2856 
2857 /**
2858  * Convert an LLVMValueRef to an LLVMBasicBlockRef instance.
2859  */
2860 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val);
2861 
2862 /**
2863  * Obtain the string name of a basic block.
2864  */
2865 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB);
2866 
2867 /**
2868  * Obtain the function to which a basic block belongs.
2869  *
2870  * @see llvm::BasicBlock::getParent()
2871  */
2872 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB);
2873 
2874 /**
2875  * Obtain the terminator instruction for a basic block.
2876  *
2877  * If the basic block does not have a terminator (it is not well-formed
2878  * if it doesn't), then NULL is returned.
2879  *
2880  * The returned LLVMValueRef corresponds to an llvm::Instruction.
2881  *
2882  * @see llvm::BasicBlock::getTerminator()
2883  */
2884 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB);
2885 
2886 /**
2887  * Obtain the number of basic blocks in a function.
2888  *
2889  * @param Fn Function value to operate on.
2890  */
2891 unsigned LLVMCountBasicBlocks(LLVMValueRef Fn);
2892 
2893 /**
2894  * Obtain all of the basic blocks in a function.
2895  *
2896  * This operates on a function value. The BasicBlocks parameter is a
2897  * pointer to a pre-allocated array of LLVMBasicBlockRef of at least
2898  * LLVMCountBasicBlocks() in length. This array is populated with
2899  * LLVMBasicBlockRef instances.
2900  */
2901 void LLVMGetBasicBlocks(LLVMValueRef Fn, LLVMBasicBlockRef *BasicBlocks);
2902 
2903 /**
2904  * Obtain the first basic block in a function.
2905  *
2906  * The returned basic block can be used as an iterator. You will likely
2907  * eventually call into LLVMGetNextBasicBlock() with it.
2908  *
2909  * @see llvm::Function::begin()
2910  */
2911 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn);
2912 
2913 /**
2914  * Obtain the last basic block in a function.
2915  *
2916  * @see llvm::Function::end()
2917  */
2918 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn);
2919 
2920 /**
2921  * Advance a basic block iterator.
2922  */
2923 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB);
2924 
2925 /**
2926  * Go backwards in a basic block iterator.
2927  */
2928 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB);
2929 
2930 /**
2931  * Obtain the basic block that corresponds to the entry point of a
2932  * function.
2933  *
2934  * @see llvm::Function::getEntryBlock()
2935  */
2936 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn);
2937 
2938 /**
2939  * Insert the given basic block after the insertion point of the given builder.
2940  *
2941  * The insertion point must be valid.
2942  *
2943  * @see llvm::Function::BasicBlockListType::insertAfter()
2944  */
2945 void LLVMInsertExistingBasicBlockAfterInsertBlock(LLVMBuilderRef Builder,
2946                                                   LLVMBasicBlockRef BB);
2947 
2948 /**
2949  * Append the given basic block to the basic block list of the given function.
2950  *
2951  * @see llvm::Function::BasicBlockListType::push_back()
2952  */
2953 void LLVMAppendExistingBasicBlock(LLVMValueRef Fn,
2954                                   LLVMBasicBlockRef BB);
2955 
2956 /**
2957  * Create a new basic block without inserting it into a function.
2958  *
2959  * @see llvm::BasicBlock::Create()
2960  */
2961 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
2962                                                 const char *Name);
2963 
2964 /**
2965  * Append a basic block to the end of a function.
2966  *
2967  * @see llvm::BasicBlock::Create()
2968  */
2969 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
2970                                                 LLVMValueRef Fn,
2971                                                 const char *Name);
2972 
2973 /**
2974  * Append a basic block to the end of a function using the global
2975  * context.
2976  *
2977  * @see llvm::BasicBlock::Create()
2978  */
2979 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef Fn, const char *Name);
2980 
2981 /**
2982  * Insert a basic block in a function before another basic block.
2983  *
2984  * The function to add to is determined by the function of the
2985  * passed basic block.
2986  *
2987  * @see llvm::BasicBlock::Create()
2988  */
2989 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
2990                                                 LLVMBasicBlockRef BB,
2991                                                 const char *Name);
2992 
2993 /**
2994  * Insert a basic block in a function using the global context.
2995  *
2996  * @see llvm::BasicBlock::Create()
2997  */
2998 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef InsertBeforeBB,
2999                                        const char *Name);
3000 
3001 /**
3002  * Remove a basic block from a function and delete it.
3003  *
3004  * This deletes the basic block from its containing function and deletes
3005  * the basic block itself.
3006  *
3007  * @see llvm::BasicBlock::eraseFromParent()
3008  */
3009 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BB);
3010 
3011 /**
3012  * Remove a basic block from a function.
3013  *
3014  * This deletes the basic block from its containing function but keep
3015  * the basic block alive.
3016  *
3017  * @see llvm::BasicBlock::removeFromParent()
3018  */
3019 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BB);
3020 
3021 /**
3022  * Move a basic block to before another one.
3023  *
3024  * @see llvm::BasicBlock::moveBefore()
3025  */
3026 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3027 
3028 /**
3029  * Move a basic block to after another one.
3030  *
3031  * @see llvm::BasicBlock::moveAfter()
3032  */
3033 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3034 
3035 /**
3036  * Obtain the first instruction in a basic block.
3037  *
3038  * The returned LLVMValueRef corresponds to a llvm::Instruction
3039  * instance.
3040  */
3041 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB);
3042 
3043 /**
3044  * Obtain the last instruction in a basic block.
3045  *
3046  * The returned LLVMValueRef corresponds to an LLVM:Instruction.
3047  */
3048 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB);
3049 
3050 /**
3051  * @}
3052  */
3053 
3054 /**
3055  * @defgroup LLVMCCoreValueInstruction Instructions
3056  *
3057  * Functions in this group relate to the inspection and manipulation of
3058  * individual instructions.
3059  *
3060  * In the C++ API, an instruction is modeled by llvm::Instruction. This
3061  * class has a large number of descendents. llvm::Instruction is a
3062  * llvm::Value and in the C API, instructions are modeled by
3063  * LLVMValueRef.
3064  *
3065  * This group also contains sub-groups which operate on specific
3066  * llvm::Instruction types, e.g. llvm::CallInst.
3067  *
3068  * @{
3069  */
3070 
3071 /**
3072  * Determine whether an instruction has any metadata attached.
3073  */
3074 int LLVMHasMetadata(LLVMValueRef Val);
3075 
3076 /**
3077  * Return metadata associated with an instruction value.
3078  */
3079 LLVMValueRef LLVMGetMetadata(LLVMValueRef Val, unsigned KindID);
3080 
3081 /**
3082  * Set metadata associated with an instruction value.
3083  */
3084 void LLVMSetMetadata(LLVMValueRef Val, unsigned KindID, LLVMValueRef Node);
3085 
3086 /**
3087  * Returns the metadata associated with an instruction value, but filters out
3088  * all the debug locations.
3089  *
3090  * @see llvm::Instruction::getAllMetadataOtherThanDebugLoc()
3091  */
3092 LLVMValueMetadataEntry *
3093 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Instr,
3094                                                size_t *NumEntries);
3095 
3096 /**
3097  * Obtain the basic block to which an instruction belongs.
3098  *
3099  * @see llvm::Instruction::getParent()
3100  */
3101 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst);
3102 
3103 /**
3104  * Obtain the instruction that occurs after the one specified.
3105  *
3106  * The next instruction will be from the same basic block.
3107  *
3108  * If this is the last instruction in a basic block, NULL will be
3109  * returned.
3110  */
3111 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst);
3112 
3113 /**
3114  * Obtain the instruction that occurred before this one.
3115  *
3116  * If the instruction is the first instruction in a basic block, NULL
3117  * will be returned.
3118  */
3119 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst);
3120 
3121 /**
3122  * Remove and delete an instruction.
3123  *
3124  * The instruction specified is removed from its containing building
3125  * block but is kept alive.
3126  *
3127  * @see llvm::Instruction::removeFromParent()
3128  */
3129 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst);
3130 
3131 /**
3132  * Remove and delete an instruction.
3133  *
3134  * The instruction specified is removed from its containing building
3135  * block and then deleted.
3136  *
3137  * @see llvm::Instruction::eraseFromParent()
3138  */
3139 void LLVMInstructionEraseFromParent(LLVMValueRef Inst);
3140 
3141 /**
3142  * Obtain the code opcode for an individual instruction.
3143  *
3144  * @see llvm::Instruction::getOpCode()
3145  */
3146 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst);
3147 
3148 /**
3149  * Obtain the predicate of an instruction.
3150  *
3151  * This is only valid for instructions that correspond to llvm::ICmpInst
3152  * or llvm::ConstantExpr whose opcode is llvm::Instruction::ICmp.
3153  *
3154  * @see llvm::ICmpInst::getPredicate()
3155  */
3156 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst);
3157 
3158 /**
3159  * Obtain the float predicate of an instruction.
3160  *
3161  * This is only valid for instructions that correspond to llvm::FCmpInst
3162  * or llvm::ConstantExpr whose opcode is llvm::Instruction::FCmp.
3163  *
3164  * @see llvm::FCmpInst::getPredicate()
3165  */
3166 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst);
3167 
3168 /**
3169  * Create a copy of 'this' instruction that is identical in all ways
3170  * except the following:
3171  *   * The instruction has no parent
3172  *   * The instruction has no name
3173  *
3174  * @see llvm::Instruction::clone()
3175  */
3176 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst);
3177 
3178 /**
3179  * Determine whether an instruction is a terminator. This routine is named to
3180  * be compatible with historical functions that did this by querying the
3181  * underlying C++ type.
3182  *
3183  * @see llvm::Instruction::isTerminator()
3184  */
3185 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst);
3186 
3187 /**
3188  * @defgroup LLVMCCoreValueInstructionCall Call Sites and Invocations
3189  *
3190  * Functions in this group apply to instructions that refer to call
3191  * sites and invocations. These correspond to C++ types in the
3192  * llvm::CallInst class tree.
3193  *
3194  * @{
3195  */
3196 
3197 /**
3198  * Obtain the argument count for a call instruction.
3199  *
3200  * This expects an LLVMValueRef that corresponds to a llvm::CallInst,
3201  * llvm::InvokeInst, or llvm:FuncletPadInst.
3202  *
3203  * @see llvm::CallInst::getNumArgOperands()
3204  * @see llvm::InvokeInst::getNumArgOperands()
3205  * @see llvm::FuncletPadInst::getNumArgOperands()
3206  */
3207 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr);
3208 
3209 /**
3210  * Set the calling convention for a call instruction.
3211  *
3212  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3213  * llvm::InvokeInst.
3214  *
3215  * @see llvm::CallInst::setCallingConv()
3216  * @see llvm::InvokeInst::setCallingConv()
3217  */
3218 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC);
3219 
3220 /**
3221  * Obtain the calling convention for a call instruction.
3222  *
3223  * This is the opposite of LLVMSetInstructionCallConv(). Reads its
3224  * usage.
3225  *
3226  * @see LLVMSetInstructionCallConv()
3227  */
3228 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr);
3229 
3230 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, unsigned index,
3231                                 unsigned Align);
3232 
3233 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3234                               LLVMAttributeRef A);
3235 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C, LLVMAttributeIndex Idx);
3236 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
3237                                LLVMAttributeRef *Attrs);
3238 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
3239                                               LLVMAttributeIndex Idx,
3240                                               unsigned KindID);
3241 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
3242                                                 LLVMAttributeIndex Idx,
3243                                                 const char *K, unsigned KLen);
3244 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3245                                      unsigned KindID);
3246 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3247                                        const char *K, unsigned KLen);
3248 
3249 /**
3250  * Obtain the function type called by this instruction.
3251  *
3252  * @see llvm::CallBase::getFunctionType()
3253  */
3254 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef C);
3255 
3256 /**
3257  * Obtain the pointer to the function invoked by this instruction.
3258  *
3259  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3260  * llvm::InvokeInst.
3261  *
3262  * @see llvm::CallInst::getCalledOperand()
3263  * @see llvm::InvokeInst::getCalledOperand()
3264  */
3265 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr);
3266 
3267 /**
3268  * Obtain whether a call instruction is a tail call.
3269  *
3270  * This only works on llvm::CallInst instructions.
3271  *
3272  * @see llvm::CallInst::isTailCall()
3273  */
3274 LLVMBool LLVMIsTailCall(LLVMValueRef CallInst);
3275 
3276 /**
3277  * Set whether a call instruction is a tail call.
3278  *
3279  * This only works on llvm::CallInst instructions.
3280  *
3281  * @see llvm::CallInst::setTailCall()
3282  */
3283 void LLVMSetTailCall(LLVMValueRef CallInst, LLVMBool IsTailCall);
3284 
3285 /**
3286  * Return the normal destination basic block.
3287  *
3288  * This only works on llvm::InvokeInst instructions.
3289  *
3290  * @see llvm::InvokeInst::getNormalDest()
3291  */
3292 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef InvokeInst);
3293 
3294 /**
3295  * Return the unwind destination basic block.
3296  *
3297  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3298  * llvm::CatchSwitchInst instructions.
3299  *
3300  * @see llvm::InvokeInst::getUnwindDest()
3301  * @see llvm::CleanupReturnInst::getUnwindDest()
3302  * @see llvm::CatchSwitchInst::getUnwindDest()
3303  */
3304 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef InvokeInst);
3305 
3306 /**
3307  * Set the normal destination basic block.
3308  *
3309  * This only works on llvm::InvokeInst instructions.
3310  *
3311  * @see llvm::InvokeInst::setNormalDest()
3312  */
3313 void LLVMSetNormalDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3314 
3315 /**
3316  * Set the unwind destination basic block.
3317  *
3318  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3319  * llvm::CatchSwitchInst instructions.
3320  *
3321  * @see llvm::InvokeInst::setUnwindDest()
3322  * @see llvm::CleanupReturnInst::setUnwindDest()
3323  * @see llvm::CatchSwitchInst::setUnwindDest()
3324  */
3325 void LLVMSetUnwindDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3326 
3327 /**
3328  * @}
3329  */
3330 
3331 /**
3332  * @defgroup LLVMCCoreValueInstructionTerminator Terminators
3333  *
3334  * Functions in this group only apply to instructions for which
3335  * LLVMIsATerminatorInst returns true.
3336  *
3337  * @{
3338  */
3339 
3340 /**
3341  * Return the number of successors that this terminator has.
3342  *
3343  * @see llvm::Instruction::getNumSuccessors
3344  */
3345 unsigned LLVMGetNumSuccessors(LLVMValueRef Term);
3346 
3347 /**
3348  * Return the specified successor.
3349  *
3350  * @see llvm::Instruction::getSuccessor
3351  */
3352 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i);
3353 
3354 /**
3355  * Update the specified successor to point at the provided block.
3356  *
3357  * @see llvm::Instruction::setSuccessor
3358  */
3359 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block);
3360 
3361 /**
3362  * Return if a branch is conditional.
3363  *
3364  * This only works on llvm::BranchInst instructions.
3365  *
3366  * @see llvm::BranchInst::isConditional
3367  */
3368 LLVMBool LLVMIsConditional(LLVMValueRef Branch);
3369 
3370 /**
3371  * Return the condition of a branch instruction.
3372  *
3373  * This only works on llvm::BranchInst instructions.
3374  *
3375  * @see llvm::BranchInst::getCondition
3376  */
3377 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch);
3378 
3379 /**
3380  * Set the condition of a branch instruction.
3381  *
3382  * This only works on llvm::BranchInst instructions.
3383  *
3384  * @see llvm::BranchInst::setCondition
3385  */
3386 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond);
3387 
3388 /**
3389  * Obtain the default destination basic block of a switch instruction.
3390  *
3391  * This only works on llvm::SwitchInst instructions.
3392  *
3393  * @see llvm::SwitchInst::getDefaultDest()
3394  */
3395 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef SwitchInstr);
3396 
3397 /**
3398  * @}
3399  */
3400 
3401 /**
3402  * @defgroup LLVMCCoreValueInstructionAlloca Allocas
3403  *
3404  * Functions in this group only apply to instructions that map to
3405  * llvm::AllocaInst instances.
3406  *
3407  * @{
3408  */
3409 
3410 /**
3411  * Obtain the type that is being allocated by the alloca instruction.
3412  */
3413 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca);
3414 
3415 /**
3416  * @}
3417  */
3418 
3419 /**
3420  * @defgroup LLVMCCoreValueInstructionGetElementPointer GEPs
3421  *
3422  * Functions in this group only apply to instructions that map to
3423  * llvm::GetElementPtrInst instances.
3424  *
3425  * @{
3426  */
3427 
3428 /**
3429  * Check whether the given GEP instruction is inbounds.
3430  */
3431 LLVMBool LLVMIsInBounds(LLVMValueRef GEP);
3432 
3433 /**
3434  * Set the given GEP instruction to be inbounds or not.
3435  */
3436 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds);
3437 
3438 /**
3439  * @}
3440  */
3441 
3442 /**
3443  * @defgroup LLVMCCoreValueInstructionPHINode PHI Nodes
3444  *
3445  * Functions in this group only apply to instructions that map to
3446  * llvm::PHINode instances.
3447  *
3448  * @{
3449  */
3450 
3451 /**
3452  * Add an incoming value to the end of a PHI list.
3453  */
3454 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3455                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count);
3456 
3457 /**
3458  * Obtain the number of incoming basic blocks to a PHI node.
3459  */
3460 unsigned LLVMCountIncoming(LLVMValueRef PhiNode);
3461 
3462 /**
3463  * Obtain an incoming value to a PHI node as an LLVMValueRef.
3464  */
3465 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index);
3466 
3467 /**
3468  * Obtain an incoming value to a PHI node as an LLVMBasicBlockRef.
3469  */
3470 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index);
3471 
3472 /**
3473  * @}
3474  */
3475 
3476 /**
3477  * @defgroup LLVMCCoreValueInstructionExtractValue ExtractValue
3478  * @defgroup LLVMCCoreValueInstructionInsertValue InsertValue
3479  *
3480  * Functions in this group only apply to instructions that map to
3481  * llvm::ExtractValue and llvm::InsertValue instances.
3482  *
3483  * @{
3484  */
3485 
3486 /**
3487  * Obtain the number of indices.
3488  * NB: This also works on GEP.
3489  */
3490 unsigned LLVMGetNumIndices(LLVMValueRef Inst);
3491 
3492 /**
3493  * Obtain the indices as an array.
3494  */
3495 const unsigned *LLVMGetIndices(LLVMValueRef Inst);
3496 
3497 /**
3498  * @}
3499  */
3500 
3501 /**
3502  * @}
3503  */
3504 
3505 /**
3506  * @}
3507  */
3508 
3509 /**
3510  * @defgroup LLVMCCoreInstructionBuilder Instruction Builders
3511  *
3512  * An instruction builder represents a point within a basic block and is
3513  * the exclusive means of building instructions using the C interface.
3514  *
3515  * @{
3516  */
3517 
3518 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C);
3519 LLVMBuilderRef LLVMCreateBuilder(void);
3520 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3521                          LLVMValueRef Instr);
3522 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr);
3523 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block);
3524 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder);
3525 void LLVMClearInsertionPosition(LLVMBuilderRef Builder);
3526 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr);
3527 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3528                                    const char *Name);
3529 void LLVMDisposeBuilder(LLVMBuilderRef Builder);
3530 
3531 /* Metadata */
3532 
3533 /**
3534  * Get location information used by debugging information.
3535  *
3536  * @see llvm::IRBuilder::getCurrentDebugLocation()
3537  */
3538 LLVMMetadataRef LLVMGetCurrentDebugLocation2(LLVMBuilderRef Builder);
3539 
3540 /**
3541  * Set location information used by debugging information.
3542  *
3543  * To clear the location metadata of the given instruction, pass NULL to \p Loc.
3544  *
3545  * @see llvm::IRBuilder::SetCurrentDebugLocation()
3546  */
3547 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Builder, LLVMMetadataRef Loc);
3548 
3549 /**
3550  * Attempts to set the debug location for the given instruction using the
3551  * current debug location for the given builder.  If the builder has no current
3552  * debug location, this function is a no-op.
3553  *
3554  * @see llvm::IRBuilder::SetInstDebugLocation()
3555  */
3556 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst);
3557 
3558 /**
3559  * Get the dafult floating-point math metadata for a given builder.
3560  *
3561  * @see llvm::IRBuilder::getDefaultFPMathTag()
3562  */
3563 LLVMMetadataRef LLVMBuilderGetDefaultFPMathTag(LLVMBuilderRef Builder);
3564 
3565 /**
3566  * Set the default floating-point math metadata for the given builder.
3567  *
3568  * To clear the metadata, pass NULL to \p FPMathTag.
3569  *
3570  * @see llvm::IRBuilder::setDefaultFPMathTag()
3571  */
3572 void LLVMBuilderSetDefaultFPMathTag(LLVMBuilderRef Builder,
3573                                     LLVMMetadataRef FPMathTag);
3574 
3575 /**
3576  * Deprecated: Passing the NULL location will crash.
3577  * Use LLVMGetCurrentDebugLocation2 instead.
3578  */
3579 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L);
3580 /**
3581  * Deprecated: Returning the NULL location will crash.
3582  * Use LLVMGetCurrentDebugLocation2 instead.
3583  */
3584 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder);
3585 
3586 /* Terminators */
3587 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef);
3588 LLVMValueRef LLVMBuildRet(LLVMBuilderRef, LLVMValueRef V);
3589 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef, LLVMValueRef *RetVals,
3590                                    unsigned N);
3591 LLVMValueRef LLVMBuildBr(LLVMBuilderRef, LLVMBasicBlockRef Dest);
3592 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef, LLVMValueRef If,
3593                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else);
3594 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef, LLVMValueRef V,
3595                              LLVMBasicBlockRef Else, unsigned NumCases);
3596 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3597                                  unsigned NumDests);
3598 // LLVMBuildInvoke is deprecated in favor of LLVMBuildInvoke2, in preparation
3599 // for opaque pointer types.
3600 LLVMValueRef LLVMBuildInvoke(LLVMBuilderRef, LLVMValueRef Fn,
3601                              LLVMValueRef *Args, unsigned NumArgs,
3602                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3603                              const char *Name);
3604 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef, LLVMTypeRef Ty, LLVMValueRef Fn,
3605                               LLVMValueRef *Args, unsigned NumArgs,
3606                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3607                               const char *Name);
3608 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef);
3609 
3610 /* Exception Handling */
3611 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn);
3612 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3613                                  LLVMValueRef PersFn, unsigned NumClauses,
3614                                  const char *Name);
3615 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3616                                  LLVMBasicBlockRef BB);
3617 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3618                                LLVMBasicBlockRef BB);
3619 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3620                                LLVMValueRef *Args, unsigned NumArgs,
3621                                const char *Name);
3622 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3623                                  LLVMValueRef *Args, unsigned NumArgs,
3624                                  const char *Name);
3625 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3626                                   LLVMBasicBlockRef UnwindBB,
3627                                   unsigned NumHandlers, const char *Name);
3628 
3629 /* Add a case to the switch instruction */
3630 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3631                  LLVMBasicBlockRef Dest);
3632 
3633 /* Add a destination to the indirectbr instruction */
3634 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest);
3635 
3636 /* Get the number of clauses on the landingpad instruction */
3637 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad);
3638 
3639 /* Get the value of the clause at index Idx on the landingpad instruction */
3640 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx);
3641 
3642 /* Add a catch or filter clause to the landingpad instruction */
3643 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal);
3644 
3645 /* Get the 'cleanup' flag in the landingpad instruction */
3646 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad);
3647 
3648 /* Set the 'cleanup' flag in the landingpad instruction */
3649 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val);
3650 
3651 /* Add a destination to the catchswitch instruction */
3652 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest);
3653 
3654 /* Get the number of handlers on the catchswitch instruction */
3655 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch);
3656 
3657 /**
3658  * Obtain the basic blocks acting as handlers for a catchswitch instruction.
3659  *
3660  * The Handlers parameter should point to a pre-allocated array of
3661  * LLVMBasicBlockRefs at least LLVMGetNumHandlers() large. On return, the
3662  * first LLVMGetNumHandlers() entries in the array will be populated
3663  * with LLVMBasicBlockRef instances.
3664  *
3665  * @param CatchSwitch The catchswitch instruction to operate on.
3666  * @param Handlers Memory address of an array to be filled with basic blocks.
3667  */
3668 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers);
3669 
3670 /* Funclets */
3671 
3672 /* Get the number of funcletpad arguments. */
3673 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i);
3674 
3675 /* Set a funcletpad argument at the given index. */
3676 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value);
3677 
3678 /**
3679  * Get the parent catchswitch instruction of a catchpad instruction.
3680  *
3681  * This only works on llvm::CatchPadInst instructions.
3682  *
3683  * @see llvm::CatchPadInst::getCatchSwitch()
3684  */
3685 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad);
3686 
3687 /**
3688  * Set the parent catchswitch instruction of a catchpad instruction.
3689  *
3690  * This only works on llvm::CatchPadInst instructions.
3691  *
3692  * @see llvm::CatchPadInst::setCatchSwitch()
3693  */
3694 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch);
3695 
3696 /* Arithmetic */
3697 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3698                           const char *Name);
3699 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3700                              const char *Name);
3701 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3702                              const char *Name);
3703 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3704                            const char *Name);
3705 LLVMValueRef LLVMBuildSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3706                           const char *Name);
3707 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3708                              const char *Name);
3709 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3710                              const char *Name);
3711 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3712                            const char *Name);
3713 LLVMValueRef LLVMBuildMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3714                           const char *Name);
3715 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3716                              const char *Name);
3717 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3718                              const char *Name);
3719 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3720                            const char *Name);
3721 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3722                            const char *Name);
3723 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3724                                 const char *Name);
3725 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3726                            const char *Name);
3727 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3728                                 const char *Name);
3729 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3730                            const char *Name);
3731 LLVMValueRef LLVMBuildURem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3732                            const char *Name);
3733 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3734                            const char *Name);
3735 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3736                            const char *Name);
3737 LLVMValueRef LLVMBuildShl(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3738                            const char *Name);
3739 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3740                            const char *Name);
3741 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3742                            const char *Name);
3743 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3744                           const char *Name);
3745 LLVMValueRef LLVMBuildOr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3746                           const char *Name);
3747 LLVMValueRef LLVMBuildXor(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3748                           const char *Name);
3749 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
3750                             LLVMValueRef LHS, LLVMValueRef RHS,
3751                             const char *Name);
3752 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3753 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
3754                              const char *Name);
3755 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
3756                              const char *Name);
3757 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3758 LLVMValueRef LLVMBuildNot(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3759 
3760 /* Memory */
3761 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3762 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef, LLVMTypeRef Ty,
3763                                   LLVMValueRef Val, const char *Name);
3764 
3765 /**
3766  * Creates and inserts a memset to the specified pointer and the
3767  * specified value.
3768  *
3769  * @see llvm::IRRBuilder::CreateMemSet()
3770  */
3771 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
3772                              LLVMValueRef Val, LLVMValueRef Len,
3773                              unsigned Align);
3774 /**
3775  * Creates and inserts a memcpy between the specified pointers.
3776  *
3777  * @see llvm::IRRBuilder::CreateMemCpy()
3778  */
3779 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
3780                              LLVMValueRef Dst, unsigned DstAlign,
3781                              LLVMValueRef Src, unsigned SrcAlign,
3782                              LLVMValueRef Size);
3783 /**
3784  * Creates and inserts a memmove between the specified pointers.
3785  *
3786  * @see llvm::IRRBuilder::CreateMemMove()
3787  */
3788 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
3789                               LLVMValueRef Dst, unsigned DstAlign,
3790                               LLVMValueRef Src, unsigned SrcAlign,
3791                               LLVMValueRef Size);
3792 
3793 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3794 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef, LLVMTypeRef Ty,
3795                                   LLVMValueRef Val, const char *Name);
3796 LLVMValueRef LLVMBuildFree(LLVMBuilderRef, LLVMValueRef PointerVal);
3797 // LLVMBuildLoad is deprecated in favor of LLVMBuildLoad2, in preparation for
3798 // opaque pointer types.
3799 LLVMValueRef LLVMBuildLoad(LLVMBuilderRef, LLVMValueRef PointerVal,
3800                            const char *Name);
3801 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef, LLVMTypeRef Ty,
3802                             LLVMValueRef PointerVal, const char *Name);
3803 LLVMValueRef LLVMBuildStore(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef Ptr);
3804 // LLVMBuildGEP, LLVMBuildInBoundsGEP, and LLVMBuildStructGEP are deprecated in
3805 // favor of LLVMBuild*GEP2, in preparation for opaque pointer types.
3806 LLVMValueRef LLVMBuildGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3807                           LLVMValueRef *Indices, unsigned NumIndices,
3808                           const char *Name);
3809 LLVMValueRef LLVMBuildInBoundsGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3810                                   LLVMValueRef *Indices, unsigned NumIndices,
3811                                   const char *Name);
3812 LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3813                                 unsigned Idx, const char *Name);
3814 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3815                            LLVMValueRef Pointer, LLVMValueRef *Indices,
3816                            unsigned NumIndices, const char *Name);
3817 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3818                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
3819                                    unsigned NumIndices, const char *Name);
3820 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3821                                  LLVMValueRef Pointer, unsigned Idx,
3822                                  const char *Name);
3823 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
3824                                    const char *Name);
3825 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
3826                                       const char *Name);
3827 LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
3828 void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
3829 LLVMBool LLVMGetWeak(LLVMValueRef CmpXchgInst);
3830 void LLVMSetWeak(LLVMValueRef CmpXchgInst, LLVMBool IsWeak);
3831 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemoryAccessInst);
3832 void LLVMSetOrdering(LLVMValueRef MemoryAccessInst, LLVMAtomicOrdering Ordering);
3833 LLVMAtomicRMWBinOp LLVMGetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst);
3834 void LLVMSetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst, LLVMAtomicRMWBinOp BinOp);
3835 
3836 /* Casts */
3837 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,
3838                             LLVMTypeRef DestTy, const char *Name);
3839 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef, LLVMValueRef Val,
3840                            LLVMTypeRef DestTy, const char *Name);
3841 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef, LLVMValueRef Val,
3842                            LLVMTypeRef DestTy, const char *Name);
3843 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef, LLVMValueRef Val,
3844                              LLVMTypeRef DestTy, const char *Name);
3845 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef, LLVMValueRef Val,
3846                              LLVMTypeRef DestTy, const char *Name);
3847 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef, LLVMValueRef Val,
3848                              LLVMTypeRef DestTy, const char *Name);
3849 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef, LLVMValueRef Val,
3850                              LLVMTypeRef DestTy, const char *Name);
3851 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef, LLVMValueRef Val,
3852                               LLVMTypeRef DestTy, const char *Name);
3853 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef, LLVMValueRef Val,
3854                             LLVMTypeRef DestTy, const char *Name);
3855 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef, LLVMValueRef Val,
3856                                LLVMTypeRef DestTy, const char *Name);
3857 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef, LLVMValueRef Val,
3858                                LLVMTypeRef DestTy, const char *Name);
3859 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef, LLVMValueRef Val,
3860                               LLVMTypeRef DestTy, const char *Name);
3861 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef, LLVMValueRef Val,
3862                                     LLVMTypeRef DestTy, const char *Name);
3863 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3864                                     LLVMTypeRef DestTy, const char *Name);
3865 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3866                                     LLVMTypeRef DestTy, const char *Name);
3867 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3868                                      LLVMTypeRef DestTy, const char *Name);
3869 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
3870                            LLVMTypeRef DestTy, const char *Name);
3871 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
3872                                   LLVMTypeRef DestTy, const char *Name);
3873 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef, LLVMValueRef Val,
3874                                LLVMTypeRef DestTy, LLVMBool IsSigned,
3875                                const char *Name);
3876 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
3877                              LLVMTypeRef DestTy, const char *Name);
3878 
3879 /** Deprecated: This cast is always signed. Use LLVMBuildIntCast2 instead. */
3880 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
3881                               LLVMTypeRef DestTy, const char *Name);
3882 
3883 /* Comparisons */
3884 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
3885                            LLVMValueRef LHS, LLVMValueRef RHS,
3886                            const char *Name);
3887 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef, LLVMRealPredicate Op,
3888                            LLVMValueRef LHS, LLVMValueRef RHS,
3889                            const char *Name);
3890 
3891 /* Miscellaneous instructions */
3892 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3893 // LLVMBuildCall is deprecated in favor of LLVMBuildCall2, in preparation for
3894 // opaque pointer types.
3895 LLVMValueRef LLVMBuildCall(LLVMBuilderRef, LLVMValueRef Fn,
3896                            LLVMValueRef *Args, unsigned NumArgs,
3897                            const char *Name);
3898 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef, LLVMTypeRef, LLVMValueRef Fn,
3899                             LLVMValueRef *Args, unsigned NumArgs,
3900                             const char *Name);
3901 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef, LLVMValueRef If,
3902                              LLVMValueRef Then, LLVMValueRef Else,
3903                              const char *Name);
3904 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef, LLVMValueRef List, LLVMTypeRef Ty,
3905                             const char *Name);
3906 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef, LLVMValueRef VecVal,
3907                                      LLVMValueRef Index, const char *Name);
3908 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef, LLVMValueRef VecVal,
3909                                     LLVMValueRef EltVal, LLVMValueRef Index,
3910                                     const char *Name);
3911 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef, LLVMValueRef V1,
3912                                     LLVMValueRef V2, LLVMValueRef Mask,
3913                                     const char *Name);
3914 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef, LLVMValueRef AggVal,
3915                                    unsigned Index, const char *Name);
3916 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef, LLVMValueRef AggVal,
3917                                   LLVMValueRef EltVal, unsigned Index,
3918                                   const char *Name);
3919 LLVMValueRef LLVMBuildFreeze(LLVMBuilderRef, LLVMValueRef Val,
3920                              const char *Name);
3921 
3922 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef, LLVMValueRef Val,
3923                              const char *Name);
3924 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef, LLVMValueRef Val,
3925                                 const char *Name);
3926 LLVMValueRef LLVMBuildPtrDiff(LLVMBuilderRef, LLVMValueRef LHS,
3927                               LLVMValueRef RHS, const char *Name);
3928 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering ordering,
3929                             LLVMBool singleThread, const char *Name);
3930 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B, LLVMAtomicRMWBinOp op,
3931                                 LLVMValueRef PTR, LLVMValueRef Val,
3932                                 LLVMAtomicOrdering ordering,
3933                                 LLVMBool singleThread);
3934 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
3935                                     LLVMValueRef Cmp, LLVMValueRef New,
3936                                     LLVMAtomicOrdering SuccessOrdering,
3937                                     LLVMAtomicOrdering FailureOrdering,
3938                                     LLVMBool SingleThread);
3939 
3940 /**
3941  * Get the number of elements in the mask of a ShuffleVector instruction.
3942  */
3943 unsigned LLVMGetNumMaskElements(LLVMValueRef ShuffleVectorInst);
3944 
3945 /**
3946  * \returns a constant that specifies that the result of a \c ShuffleVectorInst
3947  * is undefined.
3948  */
3949 int LLVMGetUndefMaskElem(void);
3950 
3951 /**
3952  * Get the mask value at position Elt in the mask of a ShuffleVector
3953  * instruction.
3954  *
3955  * \Returns the result of \c LLVMGetUndefMaskElem() if the mask value is undef
3956  * at that position.
3957  */
3958 int LLVMGetMaskValue(LLVMValueRef ShuffleVectorInst, unsigned Elt);
3959 
3960 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst);
3961 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread);
3962 
3963 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst);
3964 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
3965                                    LLVMAtomicOrdering Ordering);
3966 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst);
3967 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
3968                                    LLVMAtomicOrdering Ordering);
3969 
3970 /**
3971  * @}
3972  */
3973 
3974 /**
3975  * @defgroup LLVMCCoreModuleProvider Module Providers
3976  *
3977  * @{
3978  */
3979 
3980 /**
3981  * Changes the type of M so it can be passed to FunctionPassManagers and the
3982  * JIT.  They take ModuleProviders for historical reasons.
3983  */
3984 LLVMModuleProviderRef
3985 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M);
3986 
3987 /**
3988  * Destroys the module M.
3989  */
3990 void LLVMDisposeModuleProvider(LLVMModuleProviderRef M);
3991 
3992 /**
3993  * @}
3994  */
3995 
3996 /**
3997  * @defgroup LLVMCCoreMemoryBuffers Memory Buffers
3998  *
3999  * @{
4000  */
4001 
4002 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(const char *Path,
4003                                                   LLVMMemoryBufferRef *OutMemBuf,
4004                                                   char **OutMessage);
4005 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
4006                                          char **OutMessage);
4007 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
4008                                                           size_t InputDataLength,
4009                                                           const char *BufferName,
4010                                                           LLVMBool RequiresNullTerminator);
4011 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
4012                                                               size_t InputDataLength,
4013                                                               const char *BufferName);
4014 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
4015 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf);
4016 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
4017 
4018 /**
4019  * @}
4020  */
4021 
4022 /**
4023  * @defgroup LLVMCCorePassRegistry Pass Registry
4024  *
4025  * @{
4026  */
4027 
4028 /** Return the global pass registry, for use with initialization functions.
4029     @see llvm::PassRegistry::getPassRegistry */
4030 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void);
4031 
4032 /**
4033  * @}
4034  */
4035 
4036 /**
4037  * @defgroup LLVMCCorePassManagers Pass Managers
4038  *
4039  * @{
4040  */
4041 
4042 /** Constructs a new whole-module pass pipeline. This type of pipeline is
4043     suitable for link-time optimization and whole-module transformations.
4044     @see llvm::PassManager::PassManager */
4045 LLVMPassManagerRef LLVMCreatePassManager(void);
4046 
4047 /** Constructs a new function-by-function pass pipeline over the module
4048     provider. It does not take ownership of the module provider. This type of
4049     pipeline is suitable for code generation and JIT compilation tasks.
4050     @see llvm::FunctionPassManager::FunctionPassManager */
4051 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M);
4052 
4053 /** Deprecated: Use LLVMCreateFunctionPassManagerForModule instead. */
4054 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef MP);
4055 
4056 /** Initializes, executes on the provided module, and finalizes all of the
4057     passes scheduled in the pass manager. Returns 1 if any of the passes
4058     modified the module, 0 otherwise.
4059     @see llvm::PassManager::run(Module&) */
4060 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M);
4061 
4062 /** Initializes all of the function passes scheduled in the function pass
4063     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4064     @see llvm::FunctionPassManager::doInitialization */
4065 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM);
4066 
4067 /** Executes all of the function passes scheduled in the function pass manager
4068     on the provided function. Returns 1 if any of the passes modified the
4069     function, false otherwise.
4070     @see llvm::FunctionPassManager::run(Function&) */
4071 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F);
4072 
4073 /** Finalizes all of the function passes scheduled in the function pass
4074     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4075     @see llvm::FunctionPassManager::doFinalization */
4076 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM);
4077 
4078 /** Frees the memory of a pass pipeline. For function pipelines, does not free
4079     the module provider.
4080     @see llvm::PassManagerBase::~PassManagerBase. */
4081 void LLVMDisposePassManager(LLVMPassManagerRef PM);
4082 
4083 /**
4084  * @}
4085  */
4086 
4087 /**
4088  * @defgroup LLVMCCoreThreading Threading
4089  *
4090  * Handle the structures needed to make LLVM safe for multithreading.
4091  *
4092  * @{
4093  */
4094 
4095 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4096     time define LLVM_ENABLE_THREADS.  This function always returns
4097     LLVMIsMultithreaded(). */
4098 LLVMBool LLVMStartMultithreaded(void);
4099 
4100 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4101     time define LLVM_ENABLE_THREADS. */
4102 void LLVMStopMultithreaded(void);
4103 
4104 /** Check whether LLVM is executing in thread-safe mode or not.
4105     @see llvm::llvm_is_multithreaded */
4106 LLVMBool LLVMIsMultithreaded(void);
4107 
4108 /**
4109  * @}
4110  */
4111 
4112 /**
4113  * @}
4114  */
4115 
4116 /**
4117  * @}
4118  */
4119 
4120 LLVM_C_EXTERN_C_END
4121 
4122 #endif /* LLVM_C_CORE_H */
4123