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/Deprecated.h"
19 #include "llvm-c/ErrorHandling.h"
20 #include "llvm-c/ExternC.h"
21 
22 #include "llvm-c/Types.h"
23 
24 LLVM_C_EXTERN_C_BEGIN
25 
26 /**
27  * @defgroup LLVMC LLVM-C: C interface to LLVM
28  *
29  * This module exposes parts of the LLVM library as a C API.
30  *
31  * @{
32  */
33 
34 /**
35  * @defgroup LLVMCTransforms Transforms
36  */
37 
38 /**
39  * @defgroup LLVMCCore Core
40  *
41  * This modules provide an interface to libLLVMCore, which implements
42  * the LLVM intermediate representation as well as other related types
43  * and utilities.
44  *
45  * Many exotic languages can interoperate with C code but have a harder time
46  * with C++ due to name mangling. So in addition to C, this interface enables
47  * tools written in such languages.
48  *
49  * @{
50  */
51 
52 /**
53  * @defgroup LLVMCCoreTypes Types and Enumerations
54  *
55  * @{
56  */
57 
58 /// External users depend on the following values being stable. It is not safe
59 /// to reorder them.
60 typedef enum {
61   /* Terminator Instructions */
62   LLVMRet            = 1,
63   LLVMBr             = 2,
64   LLVMSwitch         = 3,
65   LLVMIndirectBr     = 4,
66   LLVMInvoke         = 5,
67   /* removed 6 due to API changes */
68   LLVMUnreachable    = 7,
69   LLVMCallBr         = 67,
70 
71   /* Standard Unary Operators */
72   LLVMFNeg           = 66,
73 
74   /* Standard Binary Operators */
75   LLVMAdd            = 8,
76   LLVMFAdd           = 9,
77   LLVMSub            = 10,
78   LLVMFSub           = 11,
79   LLVMMul            = 12,
80   LLVMFMul           = 13,
81   LLVMUDiv           = 14,
82   LLVMSDiv           = 15,
83   LLVMFDiv           = 16,
84   LLVMURem           = 17,
85   LLVMSRem           = 18,
86   LLVMFRem           = 19,
87 
88   /* Logical Operators */
89   LLVMShl            = 20,
90   LLVMLShr           = 21,
91   LLVMAShr           = 22,
92   LLVMAnd            = 23,
93   LLVMOr             = 24,
94   LLVMXor            = 25,
95 
96   /* Memory Operators */
97   LLVMAlloca         = 26,
98   LLVMLoad           = 27,
99   LLVMStore          = 28,
100   LLVMGetElementPtr  = 29,
101 
102   /* Cast Operators */
103   LLVMTrunc          = 30,
104   LLVMZExt           = 31,
105   LLVMSExt           = 32,
106   LLVMFPToUI         = 33,
107   LLVMFPToSI         = 34,
108   LLVMUIToFP         = 35,
109   LLVMSIToFP         = 36,
110   LLVMFPTrunc        = 37,
111   LLVMFPExt          = 38,
112   LLVMPtrToInt       = 39,
113   LLVMIntToPtr       = 40,
114   LLVMBitCast        = 41,
115   LLVMAddrSpaceCast  = 60,
116 
117   /* Other Operators */
118   LLVMICmp           = 42,
119   LLVMFCmp           = 43,
120   LLVMPHI            = 44,
121   LLVMCall           = 45,
122   LLVMSelect         = 46,
123   LLVMUserOp1        = 47,
124   LLVMUserOp2        = 48,
125   LLVMVAArg          = 49,
126   LLVMExtractElement = 50,
127   LLVMInsertElement  = 51,
128   LLVMShuffleVector  = 52,
129   LLVMExtractValue   = 53,
130   LLVMInsertValue    = 54,
131   LLVMFreeze         = 68,
132 
133   /* Atomic operators */
134   LLVMFence          = 55,
135   LLVMAtomicCmpXchg  = 56,
136   LLVMAtomicRMW      = 57,
137 
138   /* Exception Handling Operators */
139   LLVMResume         = 58,
140   LLVMLandingPad     = 59,
141   LLVMCleanupRet     = 61,
142   LLVMCatchRet       = 62,
143   LLVMCatchPad       = 63,
144   LLVMCleanupPad     = 64,
145   LLVMCatchSwitch    = 65
146 } LLVMOpcode;
147 
148 typedef enum {
149   LLVMVoidTypeKind,      /**< type with no size */
150   LLVMHalfTypeKind,      /**< 16 bit floating point type */
151   LLVMFloatTypeKind,     /**< 32 bit floating point type */
152   LLVMDoubleTypeKind,    /**< 64 bit floating point type */
153   LLVMX86_FP80TypeKind,  /**< 80 bit floating point type (X87) */
154   LLVMFP128TypeKind,     /**< 128 bit floating point type (112-bit mantissa)*/
155   LLVMPPC_FP128TypeKind, /**< 128 bit floating point type (two 64-bits) */
156   LLVMLabelTypeKind,     /**< Labels */
157   LLVMIntegerTypeKind,   /**< Arbitrary bit width integers */
158   LLVMFunctionTypeKind,  /**< Functions */
159   LLVMStructTypeKind,    /**< Structures */
160   LLVMArrayTypeKind,     /**< Arrays */
161   LLVMPointerTypeKind,   /**< Pointers */
162   LLVMVectorTypeKind,    /**< Fixed width SIMD vector type */
163   LLVMMetadataTypeKind,  /**< Metadata */
164   LLVMX86_MMXTypeKind,   /**< X86 MMX */
165   LLVMTokenTypeKind,     /**< Tokens */
166   LLVMScalableVectorTypeKind, /**< Scalable SIMD vector type */
167   LLVMBFloatTypeKind,    /**< 16 bit brain floating point type */
168   LLVMX86_AMXTypeKind,   /**< X86 AMX */
169   LLVMTargetExtTypeKind, /**< Target extension type */
170 } LLVMTypeKind;
171 
172 typedef enum {
173   LLVMExternalLinkage,    /**< Externally visible function */
174   LLVMAvailableExternallyLinkage,
175   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
176   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something
177                             equivalent. */
178   LLVMLinkOnceODRAutoHideLinkage, /**< Obsolete */
179   LLVMWeakAnyLinkage,     /**< Keep one copy of function when linking (weak) */
180   LLVMWeakODRLinkage,     /**< Same, but only replaced by something
181                             equivalent. */
182   LLVMAppendingLinkage,   /**< Special purpose, only applies to global arrays */
183   LLVMInternalLinkage,    /**< Rename collisions when linking (static
184                                functions) */
185   LLVMPrivateLinkage,     /**< Like Internal, but omit from symbol table */
186   LLVMDLLImportLinkage,   /**< Obsolete */
187   LLVMDLLExportLinkage,   /**< Obsolete */
188   LLVMExternalWeakLinkage,/**< ExternalWeak linkage description */
189   LLVMGhostLinkage,       /**< Obsolete */
190   LLVMCommonLinkage,      /**< Tentative definitions */
191   LLVMLinkerPrivateLinkage, /**< Like Private, but linker removes. */
192   LLVMLinkerPrivateWeakLinkage /**< Like LinkerPrivate, but is weak. */
193 } LLVMLinkage;
194 
195 typedef enum {
196   LLVMDefaultVisibility,  /**< The GV is visible */
197   LLVMHiddenVisibility,   /**< The GV is hidden */
198   LLVMProtectedVisibility /**< The GV is protected */
199 } LLVMVisibility;
200 
201 typedef enum {
202   LLVMNoUnnamedAddr,    /**< Address of the GV is significant. */
203   LLVMLocalUnnamedAddr, /**< Address of the GV is locally insignificant. */
204   LLVMGlobalUnnamedAddr /**< Address of the GV is globally insignificant. */
205 } LLVMUnnamedAddr;
206 
207 typedef enum {
208   LLVMDefaultStorageClass   = 0,
209   LLVMDLLImportStorageClass = 1, /**< Function to be imported from DLL. */
210   LLVMDLLExportStorageClass = 2  /**< Function to be accessible from DLL. */
211 } LLVMDLLStorageClass;
212 
213 typedef enum {
214   LLVMCCallConv             = 0,
215   LLVMFastCallConv          = 8,
216   LLVMColdCallConv          = 9,
217   LLVMGHCCallConv           = 10,
218   LLVMHiPECallConv          = 11,
219   LLVMWebKitJSCallConv      = 12,
220   LLVMAnyRegCallConv        = 13,
221   LLVMPreserveMostCallConv  = 14,
222   LLVMPreserveAllCallConv   = 15,
223   LLVMSwiftCallConv         = 16,
224   LLVMCXXFASTTLSCallConv    = 17,
225   LLVMX86StdcallCallConv    = 64,
226   LLVMX86FastcallCallConv   = 65,
227   LLVMARMAPCSCallConv       = 66,
228   LLVMARMAAPCSCallConv      = 67,
229   LLVMARMAAPCSVFPCallConv   = 68,
230   LLVMMSP430INTRCallConv    = 69,
231   LLVMX86ThisCallCallConv   = 70,
232   LLVMPTXKernelCallConv     = 71,
233   LLVMPTXDeviceCallConv     = 72,
234   LLVMSPIRFUNCCallConv      = 75,
235   LLVMSPIRKERNELCallConv    = 76,
236   LLVMIntelOCLBICallConv    = 77,
237   LLVMX8664SysVCallConv     = 78,
238   LLVMWin64CallConv         = 79,
239   LLVMX86VectorCallCallConv = 80,
240   LLVMHHVMCallConv          = 81,
241   LLVMHHVMCCallConv         = 82,
242   LLVMX86INTRCallConv       = 83,
243   LLVMAVRINTRCallConv       = 84,
244   LLVMAVRSIGNALCallConv     = 85,
245   LLVMAVRBUILTINCallConv    = 86,
246   LLVMAMDGPUVSCallConv      = 87,
247   LLVMAMDGPUGSCallConv      = 88,
248   LLVMAMDGPUPSCallConv      = 89,
249   LLVMAMDGPUCSCallConv      = 90,
250   LLVMAMDGPUKERNELCallConv  = 91,
251   LLVMX86RegCallCallConv    = 92,
252   LLVMAMDGPUHSCallConv      = 93,
253   LLVMMSP430BUILTINCallConv = 94,
254   LLVMAMDGPULSCallConv      = 95,
255   LLVMAMDGPUESCallConv      = 96
256 } LLVMCallConv;
257 
258 typedef enum {
259   LLVMArgumentValueKind,
260   LLVMBasicBlockValueKind,
261   LLVMMemoryUseValueKind,
262   LLVMMemoryDefValueKind,
263   LLVMMemoryPhiValueKind,
264 
265   LLVMFunctionValueKind,
266   LLVMGlobalAliasValueKind,
267   LLVMGlobalIFuncValueKind,
268   LLVMGlobalVariableValueKind,
269   LLVMBlockAddressValueKind,
270   LLVMConstantExprValueKind,
271   LLVMConstantArrayValueKind,
272   LLVMConstantStructValueKind,
273   LLVMConstantVectorValueKind,
274 
275   LLVMUndefValueValueKind,
276   LLVMConstantAggregateZeroValueKind,
277   LLVMConstantDataArrayValueKind,
278   LLVMConstantDataVectorValueKind,
279   LLVMConstantIntValueKind,
280   LLVMConstantFPValueKind,
281   LLVMConstantPointerNullValueKind,
282   LLVMConstantTokenNoneValueKind,
283 
284   LLVMMetadataAsValueValueKind,
285   LLVMInlineAsmValueKind,
286 
287   LLVMInstructionValueKind,
288   LLVMPoisonValueValueKind,
289   LLVMConstantTargetNoneValueKind,
290 } LLVMValueKind;
291 
292 typedef enum {
293   LLVMIntEQ = 32, /**< equal */
294   LLVMIntNE,      /**< not equal */
295   LLVMIntUGT,     /**< unsigned greater than */
296   LLVMIntUGE,     /**< unsigned greater or equal */
297   LLVMIntULT,     /**< unsigned less than */
298   LLVMIntULE,     /**< unsigned less or equal */
299   LLVMIntSGT,     /**< signed greater than */
300   LLVMIntSGE,     /**< signed greater or equal */
301   LLVMIntSLT,     /**< signed less than */
302   LLVMIntSLE      /**< signed less or equal */
303 } LLVMIntPredicate;
304 
305 typedef enum {
306   LLVMRealPredicateFalse, /**< Always false (always folded) */
307   LLVMRealOEQ,            /**< True if ordered and equal */
308   LLVMRealOGT,            /**< True if ordered and greater than */
309   LLVMRealOGE,            /**< True if ordered and greater than or equal */
310   LLVMRealOLT,            /**< True if ordered and less than */
311   LLVMRealOLE,            /**< True if ordered and less than or equal */
312   LLVMRealONE,            /**< True if ordered and operands are unequal */
313   LLVMRealORD,            /**< True if ordered (no nans) */
314   LLVMRealUNO,            /**< True if unordered: isnan(X) | isnan(Y) */
315   LLVMRealUEQ,            /**< True if unordered or equal */
316   LLVMRealUGT,            /**< True if unordered or greater than */
317   LLVMRealUGE,            /**< True if unordered, greater than, or equal */
318   LLVMRealULT,            /**< True if unordered or less than */
319   LLVMRealULE,            /**< True if unordered, less than, or equal */
320   LLVMRealUNE,            /**< True if unordered or not equal */
321   LLVMRealPredicateTrue   /**< Always true (always folded) */
322 } LLVMRealPredicate;
323 
324 typedef enum {
325   LLVMLandingPadCatch,    /**< A catch clause   */
326   LLVMLandingPadFilter    /**< A filter clause  */
327 } LLVMLandingPadClauseTy;
328 
329 typedef enum {
330   LLVMNotThreadLocal = 0,
331   LLVMGeneralDynamicTLSModel,
332   LLVMLocalDynamicTLSModel,
333   LLVMInitialExecTLSModel,
334   LLVMLocalExecTLSModel
335 } LLVMThreadLocalMode;
336 
337 typedef enum {
338   LLVMAtomicOrderingNotAtomic = 0, /**< A load or store which is not atomic */
339   LLVMAtomicOrderingUnordered = 1, /**< Lowest level of atomicity, guarantees
340                                      somewhat sane results, lock free. */
341   LLVMAtomicOrderingMonotonic = 2, /**< guarantees that if you take all the
342                                      operations affecting a specific address,
343                                      a consistent ordering exists */
344   LLVMAtomicOrderingAcquire = 4, /**< Acquire provides a barrier of the sort
345                                    necessary to acquire a lock to access other
346                                    memory with normal loads and stores. */
347   LLVMAtomicOrderingRelease = 5, /**< Release is similar to Acquire, but with
348                                    a barrier of the sort necessary to release
349                                    a lock. */
350   LLVMAtomicOrderingAcquireRelease = 6, /**< provides both an Acquire and a
351                                           Release barrier (for fences and
352                                           operations which both read and write
353                                            memory). */
354   LLVMAtomicOrderingSequentiallyConsistent = 7 /**< provides Acquire semantics
355                                                  for loads and Release
356                                                  semantics for stores.
357                                                  Additionally, it guarantees
358                                                  that a total ordering exists
359                                                  between all
360                                                  SequentiallyConsistent
361                                                  operations. */
362 } LLVMAtomicOrdering;
363 
364 typedef enum {
365     LLVMAtomicRMWBinOpXchg, /**< Set the new value and return the one old */
366     LLVMAtomicRMWBinOpAdd, /**< Add a value and return the old one */
367     LLVMAtomicRMWBinOpSub, /**< Subtract a value and return the old one */
368     LLVMAtomicRMWBinOpAnd, /**< And a value and return the old one */
369     LLVMAtomicRMWBinOpNand, /**< Not-And a value and return the old one */
370     LLVMAtomicRMWBinOpOr, /**< OR a value and return the old one */
371     LLVMAtomicRMWBinOpXor, /**< Xor a value and return the old one */
372     LLVMAtomicRMWBinOpMax, /**< Sets the value if it's greater than the
373                              original using a signed comparison and return
374                              the old one */
375     LLVMAtomicRMWBinOpMin, /**< Sets the value if it's Smaller than the
376                              original using a signed comparison and return
377                              the old one */
378     LLVMAtomicRMWBinOpUMax, /**< Sets the value if it's greater than the
379                              original using an unsigned comparison and return
380                              the old one */
381     LLVMAtomicRMWBinOpUMin, /**< Sets the value if it's greater than the
382                               original using an unsigned comparison and return
383                               the old one */
384     LLVMAtomicRMWBinOpFAdd, /**< Add a floating point value and return the
385                               old one */
386     LLVMAtomicRMWBinOpFSub, /**< Subtract a floating point value and return the
387                             old one */
388     LLVMAtomicRMWBinOpFMax, /**< Sets the value if it's greater than the
389                              original using an floating point comparison and
390                              return the old one */
391     LLVMAtomicRMWBinOpFMin, /**< Sets the value if it's smaller than the
392                              original using an floating point comparison and
393                              return the old one */
394 } LLVMAtomicRMWBinOp;
395 
396 typedef enum {
397     LLVMDSError,
398     LLVMDSWarning,
399     LLVMDSRemark,
400     LLVMDSNote
401 } LLVMDiagnosticSeverity;
402 
403 typedef enum {
404   LLVMInlineAsmDialectATT,
405   LLVMInlineAsmDialectIntel
406 } LLVMInlineAsmDialect;
407 
408 typedef enum {
409   /**
410    * Emits an error if two values disagree, otherwise the resulting value is
411    * that of the operands.
412    *
413    * @see Module::ModFlagBehavior::Error
414    */
415   LLVMModuleFlagBehaviorError,
416   /**
417    * Emits a warning if two values disagree. The result value will be the
418    * operand for the flag from the first module being linked.
419    *
420    * @see Module::ModFlagBehavior::Warning
421    */
422   LLVMModuleFlagBehaviorWarning,
423   /**
424    * Adds a requirement that another module flag be present and have a
425    * specified value after linking is performed. The value must be a metadata
426    * pair, where the first element of the pair is the ID of the module flag
427    * to be restricted, and the second element of the pair is the value the
428    * module flag should be restricted to. This behavior can be used to
429    * restrict the allowable results (via triggering of an error) of linking
430    * IDs with the **Override** behavior.
431    *
432    * @see Module::ModFlagBehavior::Require
433    */
434   LLVMModuleFlagBehaviorRequire,
435   /**
436    * Uses the specified value, regardless of the behavior or value of the
437    * other module. If both modules specify **Override**, but the values
438    * differ, an error will be emitted.
439    *
440    * @see Module::ModFlagBehavior::Override
441    */
442   LLVMModuleFlagBehaviorOverride,
443   /**
444    * Appends the two values, which are required to be metadata nodes.
445    *
446    * @see Module::ModFlagBehavior::Append
447    */
448   LLVMModuleFlagBehaviorAppend,
449   /**
450    * Appends the two values, which are required to be metadata
451    * nodes. However, duplicate entries in the second list are dropped
452    * during the append operation.
453    *
454    * @see Module::ModFlagBehavior::AppendUnique
455    */
456   LLVMModuleFlagBehaviorAppendUnique,
457 } LLVMModuleFlagBehavior;
458 
459 /**
460  * Attribute index are either LLVMAttributeReturnIndex,
461  * LLVMAttributeFunctionIndex or a parameter number from 1 to N.
462  */
463 enum {
464   LLVMAttributeReturnIndex = 0U,
465   // ISO C restricts enumerator values to range of 'int'
466   // (4294967295 is too large)
467   // LLVMAttributeFunctionIndex = ~0U,
468   LLVMAttributeFunctionIndex = -1,
469 };
470 
471 typedef unsigned LLVMAttributeIndex;
472 
473 /**
474  * @}
475  */
476 
477 void LLVMInitializeCore(LLVMPassRegistryRef R);
478 
479 /** Deallocate and destroy all ManagedStatic variables.
480     @see llvm::llvm_shutdown
481     @see ManagedStatic */
482 void LLVMShutdown(void);
483 
484 /*===-- Version query -----------------------------------------------------===*/
485 
486 /**
487  * Return the major, minor, and patch version of LLVM
488  *
489  * The version components are returned via the function's three output
490  * parameters or skipped if a NULL pointer was supplied.
491  */
492 void LLVMGetVersion(unsigned *Major, unsigned *Minor, unsigned *Patch);
493 
494 /*===-- Error handling ----------------------------------------------------===*/
495 
496 char *LLVMCreateMessage(const char *Message);
497 void LLVMDisposeMessage(char *Message);
498 
499 /**
500  * @defgroup LLVMCCoreContext Contexts
501  *
502  * Contexts are execution states for the core LLVM IR system.
503  *
504  * Most types are tied to a context instance. Multiple contexts can
505  * exist simultaneously. A single context is not thread safe. However,
506  * different contexts can execute on different threads simultaneously.
507  *
508  * @{
509  */
510 
511 typedef void (*LLVMDiagnosticHandler)(LLVMDiagnosticInfoRef, void *);
512 typedef void (*LLVMYieldCallback)(LLVMContextRef, void *);
513 
514 /**
515  * Create a new context.
516  *
517  * Every call to this function should be paired with a call to
518  * LLVMContextDispose() or the context will leak memory.
519  */
520 LLVMContextRef LLVMContextCreate(void);
521 
522 /**
523  * Obtain the global context instance.
524  */
525 LLVMContextRef LLVMGetGlobalContext(void);
526 
527 /**
528  * Set the diagnostic handler for this context.
529  */
530 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
531                                      LLVMDiagnosticHandler Handler,
532                                      void *DiagnosticContext);
533 
534 /**
535  * Get the diagnostic handler of this context.
536  */
537 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C);
538 
539 /**
540  * Get the diagnostic context of this context.
541  */
542 void *LLVMContextGetDiagnosticContext(LLVMContextRef C);
543 
544 /**
545  * Set the yield callback function for this context.
546  *
547  * @see LLVMContext::setYieldCallback()
548  */
549 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
550                                  void *OpaqueHandle);
551 
552 /**
553  * Retrieve whether the given context is set to discard all value names.
554  *
555  * @see LLVMContext::shouldDiscardValueNames()
556  */
557 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C);
558 
559 /**
560  * Set whether the given context discards all value names.
561  *
562  * If true, only the names of GlobalValue objects will be available in the IR.
563  * This can be used to save memory and runtime, especially in release mode.
564  *
565  * @see LLVMContext::setDiscardValueNames()
566  */
567 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard);
568 
569 /**
570  * Set whether the given context is in opaque pointer mode.
571  *
572  * @see LLVMContext::setOpaquePointers()
573  */
574 void LLVMContextSetOpaquePointers(LLVMContextRef C, LLVMBool OpaquePointers);
575 
576 /**
577  * Destroy a context instance.
578  *
579  * This should be called for every call to LLVMContextCreate() or memory
580  * will be leaked.
581  */
582 void LLVMContextDispose(LLVMContextRef C);
583 
584 /**
585  * Return a string representation of the DiagnosticInfo. Use
586  * LLVMDisposeMessage to free the string.
587  *
588  * @see DiagnosticInfo::print()
589  */
590 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI);
591 
592 /**
593  * Return an enum LLVMDiagnosticSeverity.
594  *
595  * @see DiagnosticInfo::getSeverity()
596  */
597 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI);
598 
599 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
600                                   unsigned SLen);
601 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen);
602 
603 /**
604  * Return an unique id given the name of a enum attribute,
605  * or 0 if no attribute by that name exists.
606  *
607  * See http://llvm.org/docs/LangRef.html#parameter-attributes
608  * and http://llvm.org/docs/LangRef.html#function-attributes
609  * for the list of available attributes.
610  *
611  * NB: Attribute names and/or id are subject to change without
612  * going through the C API deprecation cycle.
613  */
614 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen);
615 unsigned LLVMGetLastEnumAttributeKind(void);
616 
617 /**
618  * Create an enum attribute.
619  */
620 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
621                                          uint64_t Val);
622 
623 /**
624  * Get the unique id corresponding to the enum attribute
625  * passed as argument.
626  */
627 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A);
628 
629 /**
630  * Get the enum attribute's value. 0 is returned if none exists.
631  */
632 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A);
633 
634 /**
635  * Create a type attribute
636  */
637 LLVMAttributeRef LLVMCreateTypeAttribute(LLVMContextRef C, unsigned KindID,
638                                          LLVMTypeRef type_ref);
639 
640 /**
641  * Get the type attribute's value.
642  */
643 LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A);
644 
645 /**
646  * Create a string attribute.
647  */
648 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
649                                            const char *K, unsigned KLength,
650                                            const char *V, unsigned VLength);
651 
652 /**
653  * Get the string attribute's kind.
654  */
655 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A, unsigned *Length);
656 
657 /**
658  * Get the string attribute's value.
659  */
660 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A, unsigned *Length);
661 
662 /**
663  * Check for the different types of attributes.
664  */
665 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A);
666 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A);
667 LLVMBool LLVMIsTypeAttribute(LLVMAttributeRef A);
668 
669 /**
670  * Obtain a Type from a context by its registered name.
671  */
672 LLVMTypeRef LLVMGetTypeByName2(LLVMContextRef C, const char *Name);
673 
674 /**
675  * @}
676  */
677 
678 /**
679  * @defgroup LLVMCCoreModule Modules
680  *
681  * Modules represent the top-level structure in an LLVM program. An LLVM
682  * module is effectively a translation unit or a collection of
683  * translation units merged together.
684  *
685  * @{
686  */
687 
688 /**
689  * Create a new, empty module in the global context.
690  *
691  * This is equivalent to calling LLVMModuleCreateWithNameInContext with
692  * LLVMGetGlobalContext() as the context parameter.
693  *
694  * Every invocation should be paired with LLVMDisposeModule() or memory
695  * will be leaked.
696  */
697 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID);
698 
699 /**
700  * Create a new, empty module in a specific context.
701  *
702  * Every invocation should be paired with LLVMDisposeModule() or memory
703  * will be leaked.
704  */
705 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
706                                                 LLVMContextRef C);
707 /**
708  * Return an exact copy of the specified module.
709  */
710 LLVMModuleRef LLVMCloneModule(LLVMModuleRef M);
711 
712 /**
713  * Destroy a module instance.
714  *
715  * This must be called for every created module or memory will be
716  * leaked.
717  */
718 void LLVMDisposeModule(LLVMModuleRef M);
719 
720 /**
721  * Obtain the identifier of a module.
722  *
723  * @param M Module to obtain identifier of
724  * @param Len Out parameter which holds the length of the returned string.
725  * @return The identifier of M.
726  * @see Module::getModuleIdentifier()
727  */
728 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len);
729 
730 /**
731  * Set the identifier of a module to a string Ident with length Len.
732  *
733  * @param M The module to set identifier
734  * @param Ident The string to set M's identifier to
735  * @param Len Length of Ident
736  * @see Module::setModuleIdentifier()
737  */
738 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len);
739 
740 /**
741  * Obtain the module's original source file name.
742  *
743  * @param M Module to obtain the name of
744  * @param Len Out parameter which holds the length of the returned string
745  * @return The original source file name of M
746  * @see Module::getSourceFileName()
747  */
748 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len);
749 
750 /**
751  * Set the original source file name of a module to a string Name with length
752  * Len.
753  *
754  * @param M The module to set the source file name of
755  * @param Name The string to set M's source file name to
756  * @param Len Length of Name
757  * @see Module::setSourceFileName()
758  */
759 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len);
760 
761 /**
762  * Obtain the data layout for a module.
763  *
764  * @see Module::getDataLayoutStr()
765  *
766  * LLVMGetDataLayout is DEPRECATED, as the name is not only incorrect,
767  * but match the name of another method on the module. Prefer the use
768  * of LLVMGetDataLayoutStr, which is not ambiguous.
769  */
770 const char *LLVMGetDataLayoutStr(LLVMModuleRef M);
771 const char *LLVMGetDataLayout(LLVMModuleRef M);
772 
773 /**
774  * Set the data layout for a module.
775  *
776  * @see Module::setDataLayout()
777  */
778 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr);
779 
780 /**
781  * Obtain the target triple for a module.
782  *
783  * @see Module::getTargetTriple()
784  */
785 const char *LLVMGetTarget(LLVMModuleRef M);
786 
787 /**
788  * Set the target triple for a module.
789  *
790  * @see Module::setTargetTriple()
791  */
792 void LLVMSetTarget(LLVMModuleRef M, const char *Triple);
793 
794 /**
795  * Returns the module flags as an array of flag-key-value triples.  The caller
796  * is responsible for freeing this array by calling
797  * \c LLVMDisposeModuleFlagsMetadata.
798  *
799  * @see Module::getModuleFlagsMetadata()
800  */
801 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len);
802 
803 /**
804  * Destroys module flags metadata entries.
805  */
806 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries);
807 
808 /**
809  * Returns the flag behavior for a module flag entry at a specific index.
810  *
811  * @see Module::ModuleFlagEntry::Behavior
812  */
813 LLVMModuleFlagBehavior
814 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
815                                      unsigned Index);
816 
817 /**
818  * Returns the key for a module flag entry at a specific index.
819  *
820  * @see Module::ModuleFlagEntry::Key
821  */
822 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
823                                         unsigned Index, size_t *Len);
824 
825 /**
826  * Returns the metadata for a module flag entry at a specific index.
827  *
828  * @see Module::ModuleFlagEntry::Val
829  */
830 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
831                                                  unsigned Index);
832 
833 /**
834  * Add a module-level flag to the module-level flags metadata if it doesn't
835  * already exist.
836  *
837  * @see Module::getModuleFlag()
838  */
839 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
840                                   const char *Key, size_t KeyLen);
841 
842 /**
843  * Add a module-level flag to the module-level flags metadata if it doesn't
844  * already exist.
845  *
846  * @see Module::addModuleFlag()
847  */
848 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
849                        const char *Key, size_t KeyLen,
850                        LLVMMetadataRef Val);
851 
852 /**
853  * Dump a representation of a module to stderr.
854  *
855  * @see Module::dump()
856  */
857 void LLVMDumpModule(LLVMModuleRef M);
858 
859 /**
860  * Print a representation of a module to a file. The ErrorMessage needs to be
861  * disposed with LLVMDisposeMessage. Returns 0 on success, 1 otherwise.
862  *
863  * @see Module::print()
864  */
865 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
866                                char **ErrorMessage);
867 
868 /**
869  * Return a string representation of the module. Use
870  * LLVMDisposeMessage to free the string.
871  *
872  * @see Module::print()
873  */
874 char *LLVMPrintModuleToString(LLVMModuleRef M);
875 
876 /**
877  * Get inline assembly for a module.
878  *
879  * @see Module::getModuleInlineAsm()
880  */
881 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len);
882 
883 /**
884  * Set inline assembly for a module.
885  *
886  * @see Module::setModuleInlineAsm()
887  */
888 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len);
889 
890 /**
891  * Append inline assembly to a module.
892  *
893  * @see Module::appendModuleInlineAsm()
894  */
895 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len);
896 
897 /**
898  * Create the specified uniqued inline asm string.
899  *
900  * @see InlineAsm::get()
901  */
902 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty, char *AsmString,
903                               size_t AsmStringSize, char *Constraints,
904                               size_t ConstraintsSize, LLVMBool HasSideEffects,
905                               LLVMBool IsAlignStack,
906                               LLVMInlineAsmDialect Dialect, LLVMBool CanThrow);
907 
908 /**
909  * Obtain the context to which this module is associated.
910  *
911  * @see Module::getContext()
912  */
913 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M);
914 
915 /** Deprecated: Use LLVMGetTypeByName2 instead. */
916 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name);
917 
918 /**
919  * Obtain an iterator to the first NamedMDNode in a Module.
920  *
921  * @see llvm::Module::named_metadata_begin()
922  */
923 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M);
924 
925 /**
926  * Obtain an iterator to the last NamedMDNode in a Module.
927  *
928  * @see llvm::Module::named_metadata_end()
929  */
930 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M);
931 
932 /**
933  * Advance a NamedMDNode iterator to the next NamedMDNode.
934  *
935  * Returns NULL if the iterator was already at the end and there are no more
936  * named metadata nodes.
937  */
938 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
939 
940 /**
941  * Decrement a NamedMDNode iterator to the previous NamedMDNode.
942  *
943  * Returns NULL if the iterator was already at the beginning and there are
944  * no previous named metadata nodes.
945  */
946 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
947 
948 /**
949  * Retrieve a NamedMDNode with the given name, returning NULL if no such
950  * node exists.
951  *
952  * @see llvm::Module::getNamedMetadata()
953  */
954 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
955                                         const char *Name, size_t NameLen);
956 
957 /**
958  * Retrieve a NamedMDNode with the given name, creating a new node if no such
959  * node exists.
960  *
961  * @see llvm::Module::getOrInsertNamedMetadata()
962  */
963 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
964                                                 const char *Name,
965                                                 size_t NameLen);
966 
967 /**
968  * Retrieve the name of a NamedMDNode.
969  *
970  * @see llvm::NamedMDNode::getName()
971  */
972 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NamedMD,
973                                      size_t *NameLen);
974 
975 /**
976  * Obtain the number of operands for named metadata in a module.
977  *
978  * @see llvm::Module::getNamedMetadata()
979  */
980 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name);
981 
982 /**
983  * Obtain the named metadata operands for a module.
984  *
985  * The passed LLVMValueRef pointer should refer to an array of
986  * LLVMValueRef at least LLVMGetNamedMetadataNumOperands long. This
987  * array will be populated with the LLVMValueRef instances. Each
988  * instance corresponds to a llvm::MDNode.
989  *
990  * @see llvm::Module::getNamedMetadata()
991  * @see llvm::MDNode::getOperand()
992  */
993 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
994                                   LLVMValueRef *Dest);
995 
996 /**
997  * Add an operand to named metadata.
998  *
999  * @see llvm::Module::getNamedMetadata()
1000  * @see llvm::MDNode::addOperand()
1001  */
1002 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
1003                                  LLVMValueRef Val);
1004 
1005 /**
1006  * Return the directory of the debug location for this value, which must be
1007  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
1008  *
1009  * @see llvm::Instruction::getDebugLoc()
1010  * @see llvm::GlobalVariable::getDebugInfo()
1011  * @see llvm::Function::getSubprogram()
1012  */
1013 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length);
1014 
1015 /**
1016  * Return the filename of the debug location for this value, which must be
1017  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
1018  *
1019  * @see llvm::Instruction::getDebugLoc()
1020  * @see llvm::GlobalVariable::getDebugInfo()
1021  * @see llvm::Function::getSubprogram()
1022  */
1023 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length);
1024 
1025 /**
1026  * Return the line number of the debug location for this value, which must be
1027  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
1028  *
1029  * @see llvm::Instruction::getDebugLoc()
1030  * @see llvm::GlobalVariable::getDebugInfo()
1031  * @see llvm::Function::getSubprogram()
1032  */
1033 unsigned LLVMGetDebugLocLine(LLVMValueRef Val);
1034 
1035 /**
1036  * Return the column number of the debug location for this value, which must be
1037  * an llvm::Instruction.
1038  *
1039  * @see llvm::Instruction::getDebugLoc()
1040  */
1041 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val);
1042 
1043 /**
1044  * Add a function to a module under a specified name.
1045  *
1046  * @see llvm::Function::Create()
1047  */
1048 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
1049                              LLVMTypeRef FunctionTy);
1050 
1051 /**
1052  * Obtain a Function value from a Module by its name.
1053  *
1054  * The returned value corresponds to a llvm::Function value.
1055  *
1056  * @see llvm::Module::getFunction()
1057  */
1058 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name);
1059 
1060 /**
1061  * Obtain an iterator to the first Function in a Module.
1062  *
1063  * @see llvm::Module::begin()
1064  */
1065 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M);
1066 
1067 /**
1068  * Obtain an iterator to the last Function in a Module.
1069  *
1070  * @see llvm::Module::end()
1071  */
1072 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M);
1073 
1074 /**
1075  * Advance a Function iterator to the next Function.
1076  *
1077  * Returns NULL if the iterator was already at the end and there are no more
1078  * functions.
1079  */
1080 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn);
1081 
1082 /**
1083  * Decrement a Function iterator to the previous Function.
1084  *
1085  * Returns NULL if the iterator was already at the beginning and there are
1086  * no previous functions.
1087  */
1088 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn);
1089 
1090 /** Deprecated: Use LLVMSetModuleInlineAsm2 instead. */
1091 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm);
1092 
1093 /**
1094  * @}
1095  */
1096 
1097 /**
1098  * @defgroup LLVMCCoreType Types
1099  *
1100  * Types represent the type of a value.
1101  *
1102  * Types are associated with a context instance. The context internally
1103  * deduplicates types so there is only 1 instance of a specific type
1104  * alive at a time. In other words, a unique type is shared among all
1105  * consumers within a context.
1106  *
1107  * A Type in the C API corresponds to llvm::Type.
1108  *
1109  * Types have the following hierarchy:
1110  *
1111  *   types:
1112  *     integer type
1113  *     real type
1114  *     function type
1115  *     sequence types:
1116  *       array type
1117  *       pointer type
1118  *       vector type
1119  *     void type
1120  *     label type
1121  *     opaque type
1122  *
1123  * @{
1124  */
1125 
1126 /**
1127  * Obtain the enumerated type of a Type instance.
1128  *
1129  * @see llvm::Type:getTypeID()
1130  */
1131 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty);
1132 
1133 /**
1134  * Whether the type has a known size.
1135  *
1136  * Things that don't have a size are abstract types, labels, and void.a
1137  *
1138  * @see llvm::Type::isSized()
1139  */
1140 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty);
1141 
1142 /**
1143  * Obtain the context to which this type instance is associated.
1144  *
1145  * @see llvm::Type::getContext()
1146  */
1147 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty);
1148 
1149 /**
1150  * Dump a representation of a type to stderr.
1151  *
1152  * @see llvm::Type::dump()
1153  */
1154 void LLVMDumpType(LLVMTypeRef Val);
1155 
1156 /**
1157  * Return a string representation of the type. Use
1158  * LLVMDisposeMessage to free the string.
1159  *
1160  * @see llvm::Type::print()
1161  */
1162 char *LLVMPrintTypeToString(LLVMTypeRef Val);
1163 
1164 /**
1165  * @defgroup LLVMCCoreTypeInt Integer Types
1166  *
1167  * Functions in this section operate on integer types.
1168  *
1169  * @{
1170  */
1171 
1172 /**
1173  * Obtain an integer type from a context with specified bit width.
1174  */
1175 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C);
1176 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C);
1177 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C);
1178 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C);
1179 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C);
1180 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C);
1181 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits);
1182 
1183 /**
1184  * Obtain an integer type from the global context with a specified bit
1185  * width.
1186  */
1187 LLVMTypeRef LLVMInt1Type(void);
1188 LLVMTypeRef LLVMInt8Type(void);
1189 LLVMTypeRef LLVMInt16Type(void);
1190 LLVMTypeRef LLVMInt32Type(void);
1191 LLVMTypeRef LLVMInt64Type(void);
1192 LLVMTypeRef LLVMInt128Type(void);
1193 LLVMTypeRef LLVMIntType(unsigned NumBits);
1194 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy);
1195 
1196 /**
1197  * @}
1198  */
1199 
1200 /**
1201  * @defgroup LLVMCCoreTypeFloat Floating Point Types
1202  *
1203  * @{
1204  */
1205 
1206 /**
1207  * Obtain a 16-bit floating point type from a context.
1208  */
1209 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C);
1210 
1211 /**
1212  * Obtain a 16-bit brain floating point type from a context.
1213  */
1214 LLVMTypeRef LLVMBFloatTypeInContext(LLVMContextRef C);
1215 
1216 /**
1217  * Obtain a 32-bit floating point type from a context.
1218  */
1219 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C);
1220 
1221 /**
1222  * Obtain a 64-bit floating point type from a context.
1223  */
1224 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C);
1225 
1226 /**
1227  * Obtain a 80-bit floating point type (X87) from a context.
1228  */
1229 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C);
1230 
1231 /**
1232  * Obtain a 128-bit floating point type (112-bit mantissa) from a
1233  * context.
1234  */
1235 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C);
1236 
1237 /**
1238  * Obtain a 128-bit floating point type (two 64-bits) from a context.
1239  */
1240 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C);
1241 
1242 /**
1243  * Obtain a floating point type from the global context.
1244  *
1245  * These map to the functions in this group of the same name.
1246  */
1247 LLVMTypeRef LLVMHalfType(void);
1248 LLVMTypeRef LLVMBFloatType(void);
1249 LLVMTypeRef LLVMFloatType(void);
1250 LLVMTypeRef LLVMDoubleType(void);
1251 LLVMTypeRef LLVMX86FP80Type(void);
1252 LLVMTypeRef LLVMFP128Type(void);
1253 LLVMTypeRef LLVMPPCFP128Type(void);
1254 
1255 /**
1256  * @}
1257  */
1258 
1259 /**
1260  * @defgroup LLVMCCoreTypeFunction Function Types
1261  *
1262  * @{
1263  */
1264 
1265 /**
1266  * Obtain a function type consisting of a specified signature.
1267  *
1268  * The function is defined as a tuple of a return Type, a list of
1269  * parameter types, and whether the function is variadic.
1270  */
1271 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
1272                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
1273                              LLVMBool IsVarArg);
1274 
1275 /**
1276  * Returns whether a function type is variadic.
1277  */
1278 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy);
1279 
1280 /**
1281  * Obtain the Type this function Type returns.
1282  */
1283 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy);
1284 
1285 /**
1286  * Obtain the number of parameters this function accepts.
1287  */
1288 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy);
1289 
1290 /**
1291  * Obtain the types of a function's parameters.
1292  *
1293  * The Dest parameter should point to a pre-allocated array of
1294  * LLVMTypeRef at least LLVMCountParamTypes() large. On return, the
1295  * first LLVMCountParamTypes() entries in the array will be populated
1296  * with LLVMTypeRef instances.
1297  *
1298  * @param FunctionTy The function type to operate on.
1299  * @param Dest Memory address of an array to be filled with result.
1300  */
1301 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest);
1302 
1303 /**
1304  * @}
1305  */
1306 
1307 /**
1308  * @defgroup LLVMCCoreTypeStruct Structure Types
1309  *
1310  * These functions relate to LLVMTypeRef instances.
1311  *
1312  * @see llvm::StructType
1313  *
1314  * @{
1315  */
1316 
1317 /**
1318  * Create a new structure type in a context.
1319  *
1320  * A structure is specified by a list of inner elements/types and
1321  * whether these can be packed together.
1322  *
1323  * @see llvm::StructType::create()
1324  */
1325 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
1326                                     unsigned ElementCount, LLVMBool Packed);
1327 
1328 /**
1329  * Create a new structure type in the global context.
1330  *
1331  * @see llvm::StructType::create()
1332  */
1333 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes, unsigned ElementCount,
1334                            LLVMBool Packed);
1335 
1336 /**
1337  * Create an empty structure in a context having a specified name.
1338  *
1339  * @see llvm::StructType::create()
1340  */
1341 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name);
1342 
1343 /**
1344  * Obtain the name of a structure.
1345  *
1346  * @see llvm::StructType::getName()
1347  */
1348 const char *LLVMGetStructName(LLVMTypeRef Ty);
1349 
1350 /**
1351  * Set the contents of a structure type.
1352  *
1353  * @see llvm::StructType::setBody()
1354  */
1355 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
1356                        unsigned ElementCount, LLVMBool Packed);
1357 
1358 /**
1359  * Get the number of elements defined inside the structure.
1360  *
1361  * @see llvm::StructType::getNumElements()
1362  */
1363 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy);
1364 
1365 /**
1366  * Get the elements within a structure.
1367  *
1368  * The function is passed the address of a pre-allocated array of
1369  * LLVMTypeRef at least LLVMCountStructElementTypes() long. After
1370  * invocation, this array will be populated with the structure's
1371  * elements. The objects in the destination array will have a lifetime
1372  * of the structure type itself, which is the lifetime of the context it
1373  * is contained in.
1374  */
1375 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest);
1376 
1377 /**
1378  * Get the type of the element at a given index in the structure.
1379  *
1380  * @see llvm::StructType::getTypeAtIndex()
1381  */
1382 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i);
1383 
1384 /**
1385  * Determine whether a structure is packed.
1386  *
1387  * @see llvm::StructType::isPacked()
1388  */
1389 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy);
1390 
1391 /**
1392  * Determine whether a structure is opaque.
1393  *
1394  * @see llvm::StructType::isOpaque()
1395  */
1396 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy);
1397 
1398 /**
1399  * Determine whether a structure is literal.
1400  *
1401  * @see llvm::StructType::isLiteral()
1402  */
1403 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy);
1404 
1405 /**
1406  * @}
1407  */
1408 
1409 /**
1410  * @defgroup LLVMCCoreTypeSequential Sequential Types
1411  *
1412  * Sequential types represents "arrays" of types. This is a super class
1413  * for array, vector, and pointer types.
1414  *
1415  * @{
1416  */
1417 
1418 /**
1419  * Obtain the element type of an array or vector type.
1420  *
1421  * This currently also works for pointer types, but this usage is deprecated.
1422  *
1423  * @see llvm::SequentialType::getElementType()
1424  */
1425 LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty);
1426 
1427 /**
1428  * Returns type's subtypes
1429  *
1430  * @see llvm::Type::subtypes()
1431  */
1432 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr);
1433 
1434 /**
1435  *  Return the number of types in the derived type.
1436  *
1437  * @see llvm::Type::getNumContainedTypes()
1438  */
1439 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp);
1440 
1441 /**
1442  * Create a fixed size array type that refers to a specific type.
1443  *
1444  * The created type will exist in the context that its element type
1445  * exists in.
1446  *
1447  * @see llvm::ArrayType::get()
1448  */
1449 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount);
1450 
1451 /**
1452  * Obtain the length of an array type.
1453  *
1454  * This only works on types that represent arrays.
1455  *
1456  * @see llvm::ArrayType::getNumElements()
1457  */
1458 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy);
1459 
1460 /**
1461  * Create a pointer type that points to a defined type.
1462  *
1463  * The created type will exist in the context that its pointee type
1464  * exists in.
1465  *
1466  * @see llvm::PointerType::get()
1467  */
1468 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace);
1469 
1470 /**
1471  * Determine whether a pointer is opaque.
1472  *
1473  * True if this is an instance of an opaque PointerType.
1474  *
1475  * @see llvm::Type::isOpaquePointerTy()
1476  */
1477 LLVMBool LLVMPointerTypeIsOpaque(LLVMTypeRef Ty);
1478 
1479 /**
1480  * Create an opaque pointer type in a context.
1481  *
1482  * @see llvm::PointerType::get()
1483  */
1484 LLVMTypeRef LLVMPointerTypeInContext(LLVMContextRef C, unsigned AddressSpace);
1485 
1486 /**
1487  * Obtain the address space of a pointer type.
1488  *
1489  * This only works on types that represent pointers.
1490  *
1491  * @see llvm::PointerType::getAddressSpace()
1492  */
1493 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy);
1494 
1495 /**
1496  * Create a vector type that contains a defined type and has a specific
1497  * number of elements.
1498  *
1499  * The created type will exist in the context thats its element type
1500  * exists in.
1501  *
1502  * @see llvm::VectorType::get()
1503  */
1504 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount);
1505 
1506 /**
1507  * Create a vector type that contains a defined type and has a scalable
1508  * number of elements.
1509  *
1510  * The created type will exist in the context thats its element type
1511  * exists in.
1512  *
1513  * @see llvm::ScalableVectorType::get()
1514  */
1515 LLVMTypeRef LLVMScalableVectorType(LLVMTypeRef ElementType,
1516                                    unsigned ElementCount);
1517 
1518 /**
1519  * Obtain the (possibly scalable) number of elements in a vector type.
1520  *
1521  * This only works on types that represent vectors (fixed or scalable).
1522  *
1523  * @see llvm::VectorType::getNumElements()
1524  */
1525 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy);
1526 
1527 /**
1528  * @}
1529  */
1530 
1531 /**
1532  * @defgroup LLVMCCoreTypeOther Other Types
1533  *
1534  * @{
1535  */
1536 
1537 /**
1538  * Create a void type in a context.
1539  */
1540 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C);
1541 
1542 /**
1543  * Create a label type in a context.
1544  */
1545 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C);
1546 
1547 /**
1548  * Create a X86 MMX type in a context.
1549  */
1550 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C);
1551 
1552 /**
1553  * Create a X86 AMX type in a context.
1554  */
1555 LLVMTypeRef LLVMX86AMXTypeInContext(LLVMContextRef C);
1556 
1557 /**
1558  * Create a token type in a context.
1559  */
1560 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C);
1561 
1562 /**
1563  * Create a metadata type in a context.
1564  */
1565 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C);
1566 
1567 /**
1568  * These are similar to the above functions except they operate on the
1569  * global context.
1570  */
1571 LLVMTypeRef LLVMVoidType(void);
1572 LLVMTypeRef LLVMLabelType(void);
1573 LLVMTypeRef LLVMX86MMXType(void);
1574 LLVMTypeRef LLVMX86AMXType(void);
1575 
1576 /**
1577  * Create a target extension type in LLVM context.
1578  */
1579 LLVMTypeRef LLVMTargetExtTypeInContext(LLVMContextRef C, const char *Name,
1580                                        LLVMTypeRef *TypeParams,
1581                                        unsigned TypeParamCount,
1582                                        unsigned *IntParams,
1583                                        unsigned IntParamCount);
1584 
1585 /**
1586  * @}
1587  */
1588 
1589 /**
1590  * @}
1591  */
1592 
1593 /**
1594  * @defgroup LLVMCCoreValues Values
1595  *
1596  * The bulk of LLVM's object model consists of values, which comprise a very
1597  * rich type hierarchy.
1598  *
1599  * LLVMValueRef essentially represents llvm::Value. There is a rich
1600  * hierarchy of classes within this type. Depending on the instance
1601  * obtained, not all APIs are available.
1602  *
1603  * Callers can determine the type of an LLVMValueRef by calling the
1604  * LLVMIsA* family of functions (e.g. LLVMIsAArgument()). These
1605  * functions are defined by a macro, so it isn't obvious which are
1606  * available by looking at the Doxygen source code. Instead, look at the
1607  * source definition of LLVM_FOR_EACH_VALUE_SUBCLASS and note the list
1608  * of value names given. These value names also correspond to classes in
1609  * the llvm::Value hierarchy.
1610  *
1611  * @{
1612  */
1613 
1614 #define LLVM_FOR_EACH_VALUE_SUBCLASS(macro) \
1615   macro(Argument)                           \
1616   macro(BasicBlock)                         \
1617   macro(InlineAsm)                          \
1618   macro(User)                               \
1619     macro(Constant)                         \
1620       macro(BlockAddress)                   \
1621       macro(ConstantAggregateZero)          \
1622       macro(ConstantArray)                  \
1623       macro(ConstantDataSequential)         \
1624         macro(ConstantDataArray)            \
1625         macro(ConstantDataVector)           \
1626       macro(ConstantExpr)                   \
1627       macro(ConstantFP)                     \
1628       macro(ConstantInt)                    \
1629       macro(ConstantPointerNull)            \
1630       macro(ConstantStruct)                 \
1631       macro(ConstantTokenNone)              \
1632       macro(ConstantVector)                 \
1633       macro(GlobalValue)                    \
1634         macro(GlobalAlias)                  \
1635         macro(GlobalObject)                 \
1636           macro(Function)                   \
1637           macro(GlobalVariable)             \
1638           macro(GlobalIFunc)                \
1639       macro(UndefValue)                     \
1640       macro(PoisonValue)                    \
1641     macro(Instruction)                      \
1642       macro(UnaryOperator)                  \
1643       macro(BinaryOperator)                 \
1644       macro(CallInst)                       \
1645         macro(IntrinsicInst)                \
1646           macro(DbgInfoIntrinsic)           \
1647             macro(DbgVariableIntrinsic)     \
1648               macro(DbgDeclareInst)         \
1649             macro(DbgLabelInst)             \
1650           macro(MemIntrinsic)               \
1651             macro(MemCpyInst)               \
1652             macro(MemMoveInst)              \
1653             macro(MemSetInst)               \
1654       macro(CmpInst)                        \
1655         macro(FCmpInst)                     \
1656         macro(ICmpInst)                     \
1657       macro(ExtractElementInst)             \
1658       macro(GetElementPtrInst)              \
1659       macro(InsertElementInst)              \
1660       macro(InsertValueInst)                \
1661       macro(LandingPadInst)                 \
1662       macro(PHINode)                        \
1663       macro(SelectInst)                     \
1664       macro(ShuffleVectorInst)              \
1665       macro(StoreInst)                      \
1666       macro(BranchInst)                     \
1667       macro(IndirectBrInst)                 \
1668       macro(InvokeInst)                     \
1669       macro(ReturnInst)                     \
1670       macro(SwitchInst)                     \
1671       macro(UnreachableInst)                \
1672       macro(ResumeInst)                     \
1673       macro(CleanupReturnInst)              \
1674       macro(CatchReturnInst)                \
1675       macro(CatchSwitchInst)                \
1676       macro(CallBrInst)                     \
1677       macro(FuncletPadInst)                 \
1678         macro(CatchPadInst)                 \
1679         macro(CleanupPadInst)               \
1680       macro(UnaryInstruction)               \
1681         macro(AllocaInst)                   \
1682         macro(CastInst)                     \
1683           macro(AddrSpaceCastInst)          \
1684           macro(BitCastInst)                \
1685           macro(FPExtInst)                  \
1686           macro(FPToSIInst)                 \
1687           macro(FPToUIInst)                 \
1688           macro(FPTruncInst)                \
1689           macro(IntToPtrInst)               \
1690           macro(PtrToIntInst)               \
1691           macro(SExtInst)                   \
1692           macro(SIToFPInst)                 \
1693           macro(TruncInst)                  \
1694           macro(UIToFPInst)                 \
1695           macro(ZExtInst)                   \
1696         macro(ExtractValueInst)             \
1697         macro(LoadInst)                     \
1698         macro(VAArgInst)                    \
1699         macro(FreezeInst)                   \
1700       macro(AtomicCmpXchgInst)              \
1701       macro(AtomicRMWInst)                  \
1702       macro(FenceInst)
1703 
1704 /**
1705  * @defgroup LLVMCCoreValueGeneral General APIs
1706  *
1707  * Functions in this section work on all LLVMValueRef instances,
1708  * regardless of their sub-type. They correspond to functions available
1709  * on llvm::Value.
1710  *
1711  * @{
1712  */
1713 
1714 /**
1715  * Obtain the type of a value.
1716  *
1717  * @see llvm::Value::getType()
1718  */
1719 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val);
1720 
1721 /**
1722  * Obtain the enumerated type of a Value instance.
1723  *
1724  * @see llvm::Value::getValueID()
1725  */
1726 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val);
1727 
1728 /**
1729  * Obtain the string name of a value.
1730  *
1731  * @see llvm::Value::getName()
1732  */
1733 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length);
1734 
1735 /**
1736  * Set the string name of a value.
1737  *
1738  * @see llvm::Value::setName()
1739  */
1740 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen);
1741 
1742 /**
1743  * Dump a representation of a value to stderr.
1744  *
1745  * @see llvm::Value::dump()
1746  */
1747 void LLVMDumpValue(LLVMValueRef Val);
1748 
1749 /**
1750  * Return a string representation of the value. Use
1751  * LLVMDisposeMessage to free the string.
1752  *
1753  * @see llvm::Value::print()
1754  */
1755 char *LLVMPrintValueToString(LLVMValueRef Val);
1756 
1757 /**
1758  * Replace all uses of a value with another one.
1759  *
1760  * @see llvm::Value::replaceAllUsesWith()
1761  */
1762 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal);
1763 
1764 /**
1765  * Determine whether the specified value instance is constant.
1766  */
1767 LLVMBool LLVMIsConstant(LLVMValueRef Val);
1768 
1769 /**
1770  * Determine whether a value instance is undefined.
1771  */
1772 LLVMBool LLVMIsUndef(LLVMValueRef Val);
1773 
1774 /**
1775  * Determine whether a value instance is poisonous.
1776  */
1777 LLVMBool LLVMIsPoison(LLVMValueRef Val);
1778 
1779 /**
1780  * Convert value instances between types.
1781  *
1782  * Internally, an LLVMValueRef is "pinned" to a specific type. This
1783  * series of functions allows you to cast an instance to a specific
1784  * type.
1785  *
1786  * If the cast is not valid for the specified type, NULL is returned.
1787  *
1788  * @see llvm::dyn_cast_or_null<>
1789  */
1790 #define LLVM_DECLARE_VALUE_CAST(name) \
1791   LLVMValueRef LLVMIsA##name(LLVMValueRef Val);
1792 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DECLARE_VALUE_CAST)
1793 
1794 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val);
1795 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val);
1796 
1797 /** Deprecated: Use LLVMGetValueName2 instead. */
1798 const char *LLVMGetValueName(LLVMValueRef Val);
1799 /** Deprecated: Use LLVMSetValueName2 instead. */
1800 void LLVMSetValueName(LLVMValueRef Val, const char *Name);
1801 
1802 /**
1803  * @}
1804  */
1805 
1806 /**
1807  * @defgroup LLVMCCoreValueUses Usage
1808  *
1809  * This module defines functions that allow you to inspect the uses of a
1810  * LLVMValueRef.
1811  *
1812  * It is possible to obtain an LLVMUseRef for any LLVMValueRef instance.
1813  * Each LLVMUseRef (which corresponds to a llvm::Use instance) holds a
1814  * llvm::User and llvm::Value.
1815  *
1816  * @{
1817  */
1818 
1819 /**
1820  * Obtain the first use of a value.
1821  *
1822  * Uses are obtained in an iterator fashion. First, call this function
1823  * to obtain a reference to the first use. Then, call LLVMGetNextUse()
1824  * on that instance and all subsequently obtained instances until
1825  * LLVMGetNextUse() returns NULL.
1826  *
1827  * @see llvm::Value::use_begin()
1828  */
1829 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val);
1830 
1831 /**
1832  * Obtain the next use of a value.
1833  *
1834  * This effectively advances the iterator. It returns NULL if you are on
1835  * the final use and no more are available.
1836  */
1837 LLVMUseRef LLVMGetNextUse(LLVMUseRef U);
1838 
1839 /**
1840  * Obtain the user value for a user.
1841  *
1842  * The returned value corresponds to a llvm::User type.
1843  *
1844  * @see llvm::Use::getUser()
1845  */
1846 LLVMValueRef LLVMGetUser(LLVMUseRef U);
1847 
1848 /**
1849  * Obtain the value this use corresponds to.
1850  *
1851  * @see llvm::Use::get().
1852  */
1853 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U);
1854 
1855 /**
1856  * @}
1857  */
1858 
1859 /**
1860  * @defgroup LLVMCCoreValueUser User value
1861  *
1862  * Function in this group pertain to LLVMValueRef instances that descent
1863  * from llvm::User. This includes constants, instructions, and
1864  * operators.
1865  *
1866  * @{
1867  */
1868 
1869 /**
1870  * Obtain an operand at a specific index in a llvm::User value.
1871  *
1872  * @see llvm::User::getOperand()
1873  */
1874 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index);
1875 
1876 /**
1877  * Obtain the use of an operand at a specific index in a llvm::User value.
1878  *
1879  * @see llvm::User::getOperandUse()
1880  */
1881 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index);
1882 
1883 /**
1884  * Set an operand at a specific index in a llvm::User value.
1885  *
1886  * @see llvm::User::setOperand()
1887  */
1888 void LLVMSetOperand(LLVMValueRef User, unsigned Index, LLVMValueRef Val);
1889 
1890 /**
1891  * Obtain the number of operands in a llvm::User value.
1892  *
1893  * @see llvm::User::getNumOperands()
1894  */
1895 int LLVMGetNumOperands(LLVMValueRef Val);
1896 
1897 /**
1898  * @}
1899  */
1900 
1901 /**
1902  * @defgroup LLVMCCoreValueConstant Constants
1903  *
1904  * This section contains APIs for interacting with LLVMValueRef that
1905  * correspond to llvm::Constant instances.
1906  *
1907  * These functions will work for any LLVMValueRef in the llvm::Constant
1908  * class hierarchy.
1909  *
1910  * @{
1911  */
1912 
1913 /**
1914  * Obtain a constant value referring to the null instance of a type.
1915  *
1916  * @see llvm::Constant::getNullValue()
1917  */
1918 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty); /* all zeroes */
1919 
1920 /**
1921  * Obtain a constant value referring to the instance of a type
1922  * consisting of all ones.
1923  *
1924  * This is only valid for integer types.
1925  *
1926  * @see llvm::Constant::getAllOnesValue()
1927  */
1928 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty);
1929 
1930 /**
1931  * Obtain a constant value referring to an undefined value of a type.
1932  *
1933  * @see llvm::UndefValue::get()
1934  */
1935 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty);
1936 
1937 /**
1938  * Obtain a constant value referring to a poison value of a type.
1939  *
1940  * @see llvm::PoisonValue::get()
1941  */
1942 LLVMValueRef LLVMGetPoison(LLVMTypeRef Ty);
1943 
1944 /**
1945  * Determine whether a value instance is null.
1946  *
1947  * @see llvm::Constant::isNullValue()
1948  */
1949 LLVMBool LLVMIsNull(LLVMValueRef Val);
1950 
1951 /**
1952  * Obtain a constant that is a constant pointer pointing to NULL for a
1953  * specified type.
1954  */
1955 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty);
1956 
1957 /**
1958  * @defgroup LLVMCCoreValueConstantScalar Scalar constants
1959  *
1960  * Functions in this group model LLVMValueRef instances that correspond
1961  * to constants referring to scalar types.
1962  *
1963  * For integer types, the LLVMTypeRef parameter should correspond to a
1964  * llvm::IntegerType instance and the returned LLVMValueRef will
1965  * correspond to a llvm::ConstantInt.
1966  *
1967  * For floating point types, the LLVMTypeRef returned corresponds to a
1968  * llvm::ConstantFP.
1969  *
1970  * @{
1971  */
1972 
1973 /**
1974  * Obtain a constant value for an integer type.
1975  *
1976  * The returned value corresponds to a llvm::ConstantInt.
1977  *
1978  * @see llvm::ConstantInt::get()
1979  *
1980  * @param IntTy Integer type to obtain value of.
1981  * @param N The value the returned instance should refer to.
1982  * @param SignExtend Whether to sign extend the produced value.
1983  */
1984 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1985                           LLVMBool SignExtend);
1986 
1987 /**
1988  * Obtain a constant value for an integer of arbitrary precision.
1989  *
1990  * @see llvm::ConstantInt::get()
1991  */
1992 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1993                                               unsigned NumWords,
1994                                               const uint64_t Words[]);
1995 
1996 /**
1997  * Obtain a constant value for an integer parsed from a string.
1998  *
1999  * A similar API, LLVMConstIntOfStringAndSize is also available. If the
2000  * string's length is available, it is preferred to call that function
2001  * instead.
2002  *
2003  * @see llvm::ConstantInt::get()
2004  */
2005 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char *Text,
2006                                   uint8_t Radix);
2007 
2008 /**
2009  * Obtain a constant value for an integer parsed from a string with
2010  * specified length.
2011  *
2012  * @see llvm::ConstantInt::get()
2013  */
2014 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char *Text,
2015                                          unsigned SLen, uint8_t Radix);
2016 
2017 /**
2018  * Obtain a constant value referring to a double floating point value.
2019  */
2020 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N);
2021 
2022 /**
2023  * Obtain a constant for a floating point value parsed from a string.
2024  *
2025  * A similar API, LLVMConstRealOfStringAndSize is also available. It
2026  * should be used if the input string's length is known.
2027  */
2028 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text);
2029 
2030 /**
2031  * Obtain a constant for a floating point value parsed from a string.
2032  */
2033 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char *Text,
2034                                           unsigned SLen);
2035 
2036 /**
2037  * Obtain the zero extended value for an integer constant value.
2038  *
2039  * @see llvm::ConstantInt::getZExtValue()
2040  */
2041 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal);
2042 
2043 /**
2044  * Obtain the sign extended value for an integer constant value.
2045  *
2046  * @see llvm::ConstantInt::getSExtValue()
2047  */
2048 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal);
2049 
2050 /**
2051  * Obtain the double value for an floating point constant value.
2052  * losesInfo indicates if some precision was lost in the conversion.
2053  *
2054  * @see llvm::ConstantFP::getDoubleValue
2055  */
2056 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *losesInfo);
2057 
2058 /**
2059  * @}
2060  */
2061 
2062 /**
2063  * @defgroup LLVMCCoreValueConstantComposite Composite Constants
2064  *
2065  * Functions in this group operate on composite constants.
2066  *
2067  * @{
2068  */
2069 
2070 /**
2071  * Create a ConstantDataSequential and initialize it with a string.
2072  *
2073  * @see llvm::ConstantDataArray::getString()
2074  */
2075 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
2076                                       unsigned Length, LLVMBool DontNullTerminate);
2077 
2078 /**
2079  * Create a ConstantDataSequential with string content in the global context.
2080  *
2081  * This is the same as LLVMConstStringInContext except it operates on the
2082  * global context.
2083  *
2084  * @see LLVMConstStringInContext()
2085  * @see llvm::ConstantDataArray::getString()
2086  */
2087 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
2088                              LLVMBool DontNullTerminate);
2089 
2090 /**
2091  * Returns true if the specified constant is an array of i8.
2092  *
2093  * @see ConstantDataSequential::getAsString()
2094  */
2095 LLVMBool LLVMIsConstantString(LLVMValueRef c);
2096 
2097 /**
2098  * Get the given constant data sequential as a string.
2099  *
2100  * @see ConstantDataSequential::getAsString()
2101  */
2102 const char *LLVMGetAsString(LLVMValueRef c, size_t *Length);
2103 
2104 /**
2105  * Create an anonymous ConstantStruct with the specified values.
2106  *
2107  * @see llvm::ConstantStruct::getAnon()
2108  */
2109 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
2110                                       LLVMValueRef *ConstantVals,
2111                                       unsigned Count, LLVMBool Packed);
2112 
2113 /**
2114  * Create a ConstantStruct in the global Context.
2115  *
2116  * This is the same as LLVMConstStructInContext except it operates on the
2117  * global Context.
2118  *
2119  * @see LLVMConstStructInContext()
2120  */
2121 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
2122                              LLVMBool Packed);
2123 
2124 /**
2125  * Create a ConstantArray from values.
2126  *
2127  * @see llvm::ConstantArray::get()
2128  */
2129 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
2130                             LLVMValueRef *ConstantVals, unsigned Length);
2131 
2132 /**
2133  * Create a non-anonymous ConstantStruct from values.
2134  *
2135  * @see llvm::ConstantStruct::get()
2136  */
2137 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
2138                                   LLVMValueRef *ConstantVals,
2139                                   unsigned Count);
2140 
2141 /**
2142  * Get element of a constant aggregate (struct, array or vector) at the
2143  * specified index. Returns null if the index is out of range, or it's not
2144  * possible to determine the element (e.g., because the constant is a
2145  * constant expression.)
2146  *
2147  * @see llvm::Constant::getAggregateElement()
2148  */
2149 LLVMValueRef LLVMGetAggregateElement(LLVMValueRef C, unsigned Idx);
2150 
2151 /**
2152  * Get an element at specified index as a constant.
2153  *
2154  * @see ConstantDataSequential::getElementAsConstant()
2155  */
2156 LLVM_ATTRIBUTE_C_DEPRECATED(
2157     LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx),
2158     "Use LLVMGetAggregateElement instead");
2159 
2160 /**
2161  * Create a ConstantVector from values.
2162  *
2163  * @see llvm::ConstantVector::get()
2164  */
2165 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size);
2166 
2167 /**
2168  * @}
2169  */
2170 
2171 /**
2172  * @defgroup LLVMCCoreValueConstantExpressions Constant Expressions
2173  *
2174  * Functions in this group correspond to APIs on llvm::ConstantExpr.
2175  *
2176  * @see llvm::ConstantExpr.
2177  *
2178  * @{
2179  */
2180 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal);
2181 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty);
2182 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty);
2183 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal);
2184 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal);
2185 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal);
2186 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal);
2187 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2188 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2189 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2190 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2191 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2192 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2193 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2194 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2195 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2196 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2197 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2198 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2199 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
2200                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2201 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
2202                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2203 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2204 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2205 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2206 LLVMValueRef LLVMConstGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2207                            LLVMValueRef *ConstantIndices, unsigned NumIndices);
2208 LLVMValueRef LLVMConstInBoundsGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2209                                    LLVMValueRef *ConstantIndices,
2210                                    unsigned NumIndices);
2211 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2212 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2213 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2214 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2215 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2216 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2217 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2218 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2219 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2220 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2221 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2222 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2223 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2224 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
2225                                     LLVMTypeRef ToType);
2226 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
2227                                     LLVMTypeRef ToType);
2228 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
2229                                      LLVMTypeRef ToType);
2230 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
2231                                   LLVMTypeRef ToType);
2232 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
2233                               LLVMBool isSigned);
2234 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2235 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
2236                              LLVMValueRef ConstantIfTrue,
2237                              LLVMValueRef ConstantIfFalse);
2238 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
2239                                      LLVMValueRef IndexConstant);
2240 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
2241                                     LLVMValueRef ElementValueConstant,
2242                                     LLVMValueRef IndexConstant);
2243 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
2244                                     LLVMValueRef VectorBConstant,
2245                                     LLVMValueRef MaskConstant);
2246 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB);
2247 
2248 /** Deprecated: Use LLVMGetInlineAsm instead. */
2249 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty,
2250                                 const char *AsmString, const char *Constraints,
2251                                 LLVMBool HasSideEffects, LLVMBool IsAlignStack);
2252 
2253 /**
2254  * @}
2255  */
2256 
2257 /**
2258  * @defgroup LLVMCCoreValueConstantGlobals Global Values
2259  *
2260  * This group contains functions that operate on global values. Functions in
2261  * this group relate to functions in the llvm::GlobalValue class tree.
2262  *
2263  * @see llvm::GlobalValue
2264  *
2265  * @{
2266  */
2267 
2268 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global);
2269 LLVMBool LLVMIsDeclaration(LLVMValueRef Global);
2270 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global);
2271 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage);
2272 const char *LLVMGetSection(LLVMValueRef Global);
2273 void LLVMSetSection(LLVMValueRef Global, const char *Section);
2274 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
2275 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
2276 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global);
2277 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class);
2278 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global);
2279 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr);
2280 
2281 /**
2282  * Returns the "value type" of a global value.  This differs from the formal
2283  * type of a global value which is always a pointer type.
2284  *
2285  * @see llvm::GlobalValue::getValueType()
2286  */
2287 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global);
2288 
2289 /** Deprecated: Use LLVMGetUnnamedAddress instead. */
2290 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global);
2291 /** Deprecated: Use LLVMSetUnnamedAddress instead. */
2292 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr);
2293 
2294 /**
2295  * @defgroup LLVMCCoreValueWithAlignment Values with alignment
2296  *
2297  * Functions in this group only apply to values with alignment, i.e.
2298  * global variables, load and store instructions.
2299  */
2300 
2301 /**
2302  * Obtain the preferred alignment of the value.
2303  * @see llvm::AllocaInst::getAlignment()
2304  * @see llvm::LoadInst::getAlignment()
2305  * @see llvm::StoreInst::getAlignment()
2306  * @see llvm::AtomicRMWInst::setAlignment()
2307  * @see llvm::AtomicCmpXchgInst::setAlignment()
2308  * @see llvm::GlobalValue::getAlignment()
2309  */
2310 unsigned LLVMGetAlignment(LLVMValueRef V);
2311 
2312 /**
2313  * Set the preferred alignment of the value.
2314  * @see llvm::AllocaInst::setAlignment()
2315  * @see llvm::LoadInst::setAlignment()
2316  * @see llvm::StoreInst::setAlignment()
2317  * @see llvm::AtomicRMWInst::setAlignment()
2318  * @see llvm::AtomicCmpXchgInst::setAlignment()
2319  * @see llvm::GlobalValue::setAlignment()
2320  */
2321 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes);
2322 
2323 /**
2324  * Sets a metadata attachment, erasing the existing metadata attachment if
2325  * it already exists for the given kind.
2326  *
2327  * @see llvm::GlobalObject::setMetadata()
2328  */
2329 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2330                            LLVMMetadataRef MD);
2331 
2332 /**
2333  * Erases a metadata attachment of the given kind if it exists.
2334  *
2335  * @see llvm::GlobalObject::eraseMetadata()
2336  */
2337 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind);
2338 
2339 /**
2340  * Removes all metadata attachments from this value.
2341  *
2342  * @see llvm::GlobalObject::clearMetadata()
2343  */
2344 void LLVMGlobalClearMetadata(LLVMValueRef Global);
2345 
2346 /**
2347  * Retrieves an array of metadata entries representing the metadata attached to
2348  * this value. The caller is responsible for freeing this array by calling
2349  * \c LLVMDisposeValueMetadataEntries.
2350  *
2351  * @see llvm::GlobalObject::getAllMetadata()
2352  */
2353 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2354                                                   size_t *NumEntries);
2355 
2356 /**
2357  * Destroys value metadata entries.
2358  */
2359 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries);
2360 
2361 /**
2362  * Returns the kind of a value metadata entry at a specific index.
2363  */
2364 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2365                                          unsigned Index);
2366 
2367 /**
2368  * Returns the underlying metadata node of a value metadata entry at a
2369  * specific index.
2370  */
2371 LLVMMetadataRef
2372 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2373                                     unsigned Index);
2374 
2375 /**
2376  * @}
2377  */
2378 
2379 /**
2380  * @defgroup LLVMCoreValueConstantGlobalVariable Global Variables
2381  *
2382  * This group contains functions that operate on global variable values.
2383  *
2384  * @see llvm::GlobalVariable
2385  *
2386  * @{
2387  */
2388 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name);
2389 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2390                                          const char *Name,
2391                                          unsigned AddressSpace);
2392 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name);
2393 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M);
2394 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M);
2395 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar);
2396 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar);
2397 void LLVMDeleteGlobal(LLVMValueRef GlobalVar);
2398 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar);
2399 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal);
2400 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar);
2401 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal);
2402 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar);
2403 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant);
2404 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar);
2405 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode);
2406 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar);
2407 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit);
2408 
2409 /**
2410  * @}
2411  */
2412 
2413 /**
2414  * @defgroup LLVMCoreValueConstantGlobalAlias Global Aliases
2415  *
2416  * This group contains function that operate on global alias values.
2417  *
2418  * @see llvm::GlobalAlias
2419  *
2420  * @{
2421  */
2422 
2423 /**
2424  * Add a GlobalAlias with the given value type, address space and aliasee.
2425  *
2426  * @see llvm::GlobalAlias::create()
2427  */
2428 LLVMValueRef LLVMAddAlias2(LLVMModuleRef M, LLVMTypeRef ValueTy,
2429                            unsigned AddrSpace, LLVMValueRef Aliasee,
2430                            const char *Name);
2431 
2432 /**
2433  * Obtain a GlobalAlias value from a Module by its name.
2434  *
2435  * The returned value corresponds to a llvm::GlobalAlias value.
2436  *
2437  * @see llvm::Module::getNamedAlias()
2438  */
2439 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2440                                      const char *Name, size_t NameLen);
2441 
2442 /**
2443  * Obtain an iterator to the first GlobalAlias in a Module.
2444  *
2445  * @see llvm::Module::alias_begin()
2446  */
2447 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M);
2448 
2449 /**
2450  * Obtain an iterator to the last GlobalAlias in a Module.
2451  *
2452  * @see llvm::Module::alias_end()
2453  */
2454 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M);
2455 
2456 /**
2457  * Advance a GlobalAlias iterator to the next GlobalAlias.
2458  *
2459  * Returns NULL if the iterator was already at the end and there are no more
2460  * global aliases.
2461  */
2462 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA);
2463 
2464 /**
2465  * Decrement a GlobalAlias iterator to the previous GlobalAlias.
2466  *
2467  * Returns NULL if the iterator was already at the beginning and there are
2468  * no previous global aliases.
2469  */
2470 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA);
2471 
2472 /**
2473  * Retrieve the target value of an alias.
2474  */
2475 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias);
2476 
2477 /**
2478  * Set the target value of an alias.
2479  */
2480 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee);
2481 
2482 /**
2483  * @}
2484  */
2485 
2486 /**
2487  * @defgroup LLVMCCoreValueFunction Function values
2488  *
2489  * Functions in this group operate on LLVMValueRef instances that
2490  * correspond to llvm::Function instances.
2491  *
2492  * @see llvm::Function
2493  *
2494  * @{
2495  */
2496 
2497 /**
2498  * Remove a function from its containing module and deletes it.
2499  *
2500  * @see llvm::Function::eraseFromParent()
2501  */
2502 void LLVMDeleteFunction(LLVMValueRef Fn);
2503 
2504 /**
2505  * Check whether the given function has a personality function.
2506  *
2507  * @see llvm::Function::hasPersonalityFn()
2508  */
2509 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn);
2510 
2511 /**
2512  * Obtain the personality function attached to the function.
2513  *
2514  * @see llvm::Function::getPersonalityFn()
2515  */
2516 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn);
2517 
2518 /**
2519  * Set the personality function attached to the function.
2520  *
2521  * @see llvm::Function::setPersonalityFn()
2522  */
2523 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn);
2524 
2525 /**
2526  * Obtain the intrinsic ID number which matches the given function name.
2527  *
2528  * @see llvm::Function::lookupIntrinsicID()
2529  */
2530 unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen);
2531 
2532 /**
2533  * Obtain the ID number from a function instance.
2534  *
2535  * @see llvm::Function::getIntrinsicID()
2536  */
2537 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn);
2538 
2539 /**
2540  * Create or insert the declaration of an intrinsic.  For overloaded intrinsics,
2541  * parameter types must be provided to uniquely identify an overload.
2542  *
2543  * @see llvm::Intrinsic::getDeclaration()
2544  */
2545 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2546                                          unsigned ID,
2547                                          LLVMTypeRef *ParamTypes,
2548                                          size_t ParamCount);
2549 
2550 /**
2551  * Retrieves the type of an intrinsic.  For overloaded intrinsics, parameter
2552  * types must be provided to uniquely identify an overload.
2553  *
2554  * @see llvm::Intrinsic::getType()
2555  */
2556 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2557                                  LLVMTypeRef *ParamTypes, size_t ParamCount);
2558 
2559 /**
2560  * Retrieves the name of an intrinsic.
2561  *
2562  * @see llvm::Intrinsic::getName()
2563  */
2564 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength);
2565 
2566 /** Deprecated: Use LLVMIntrinsicCopyOverloadedName2 instead. */
2567 const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
2568                                             LLVMTypeRef *ParamTypes,
2569                                             size_t ParamCount,
2570                                             size_t *NameLength);
2571 
2572 /**
2573  * Copies the name of an overloaded intrinsic identified by a given list of
2574  * parameter types.
2575  *
2576  * Unlike LLVMIntrinsicGetName, the caller is responsible for freeing the
2577  * returned string.
2578  *
2579  * This version also supports unnamed types.
2580  *
2581  * @see llvm::Intrinsic::getName()
2582  */
2583 const char *LLVMIntrinsicCopyOverloadedName2(LLVMModuleRef Mod, unsigned ID,
2584                                              LLVMTypeRef *ParamTypes,
2585                                              size_t ParamCount,
2586                                              size_t *NameLength);
2587 
2588 /**
2589  * Obtain if the intrinsic identified by the given ID is overloaded.
2590  *
2591  * @see llvm::Intrinsic::isOverloaded()
2592  */
2593 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID);
2594 
2595 /**
2596  * Obtain the calling function of a function.
2597  *
2598  * The returned value corresponds to the LLVMCallConv enumeration.
2599  *
2600  * @see llvm::Function::getCallingConv()
2601  */
2602 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn);
2603 
2604 /**
2605  * Set the calling convention of a function.
2606  *
2607  * @see llvm::Function::setCallingConv()
2608  *
2609  * @param Fn Function to operate on
2610  * @param CC LLVMCallConv to set calling convention to
2611  */
2612 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC);
2613 
2614 /**
2615  * Obtain the name of the garbage collector to use during code
2616  * generation.
2617  *
2618  * @see llvm::Function::getGC()
2619  */
2620 const char *LLVMGetGC(LLVMValueRef Fn);
2621 
2622 /**
2623  * Define the garbage collector to use during code generation.
2624  *
2625  * @see llvm::Function::setGC()
2626  */
2627 void LLVMSetGC(LLVMValueRef Fn, const char *Name);
2628 
2629 /**
2630  * Add an attribute to a function.
2631  *
2632  * @see llvm::Function::addAttribute()
2633  */
2634 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2635                              LLVMAttributeRef A);
2636 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx);
2637 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2638                               LLVMAttributeRef *Attrs);
2639 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2640                                              LLVMAttributeIndex Idx,
2641                                              unsigned KindID);
2642 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2643                                                LLVMAttributeIndex Idx,
2644                                                const char *K, unsigned KLen);
2645 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2646                                     unsigned KindID);
2647 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2648                                       const char *K, unsigned KLen);
2649 
2650 /**
2651  * Add a target-dependent attribute to a function
2652  * @see llvm::AttrBuilder::addAttribute()
2653  */
2654 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2655                                         const char *V);
2656 
2657 /**
2658  * @defgroup LLVMCCoreValueFunctionParameters Function Parameters
2659  *
2660  * Functions in this group relate to arguments/parameters on functions.
2661  *
2662  * Functions in this group expect LLVMValueRef instances that correspond
2663  * to llvm::Function instances.
2664  *
2665  * @{
2666  */
2667 
2668 /**
2669  * Obtain the number of parameters in a function.
2670  *
2671  * @see llvm::Function::arg_size()
2672  */
2673 unsigned LLVMCountParams(LLVMValueRef Fn);
2674 
2675 /**
2676  * Obtain the parameters in a function.
2677  *
2678  * The takes a pointer to a pre-allocated array of LLVMValueRef that is
2679  * at least LLVMCountParams() long. This array will be filled with
2680  * LLVMValueRef instances which correspond to the parameters the
2681  * function receives. Each LLVMValueRef corresponds to a llvm::Argument
2682  * instance.
2683  *
2684  * @see llvm::Function::arg_begin()
2685  */
2686 void LLVMGetParams(LLVMValueRef Fn, LLVMValueRef *Params);
2687 
2688 /**
2689  * Obtain the parameter at the specified index.
2690  *
2691  * Parameters are indexed from 0.
2692  *
2693  * @see llvm::Function::arg_begin()
2694  */
2695 LLVMValueRef LLVMGetParam(LLVMValueRef Fn, unsigned Index);
2696 
2697 /**
2698  * Obtain the function to which this argument belongs.
2699  *
2700  * Unlike other functions in this group, this one takes an LLVMValueRef
2701  * that corresponds to a llvm::Attribute.
2702  *
2703  * The returned LLVMValueRef is the llvm::Function to which this
2704  * argument belongs.
2705  */
2706 LLVMValueRef LLVMGetParamParent(LLVMValueRef Inst);
2707 
2708 /**
2709  * Obtain the first parameter to a function.
2710  *
2711  * @see llvm::Function::arg_begin()
2712  */
2713 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn);
2714 
2715 /**
2716  * Obtain the last parameter to a function.
2717  *
2718  * @see llvm::Function::arg_end()
2719  */
2720 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn);
2721 
2722 /**
2723  * Obtain the next parameter to a function.
2724  *
2725  * This takes an LLVMValueRef obtained from LLVMGetFirstParam() (which is
2726  * actually a wrapped iterator) and obtains the next parameter from the
2727  * underlying iterator.
2728  */
2729 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg);
2730 
2731 /**
2732  * Obtain the previous parameter to a function.
2733  *
2734  * This is the opposite of LLVMGetNextParam().
2735  */
2736 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg);
2737 
2738 /**
2739  * Set the alignment for a function parameter.
2740  *
2741  * @see llvm::Argument::addAttr()
2742  * @see llvm::AttrBuilder::addAlignmentAttr()
2743  */
2744 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned Align);
2745 
2746 /**
2747  * @}
2748  */
2749 
2750 /**
2751  * @defgroup LLVMCCoreValueGlobalIFunc IFuncs
2752  *
2753  * Functions in this group relate to indirect functions.
2754  *
2755  * Functions in this group expect LLVMValueRef instances that correspond
2756  * to llvm::GlobalIFunc instances.
2757  *
2758  * @{
2759  */
2760 
2761 /**
2762  * Add a global indirect function to a module under a specified name.
2763  *
2764  * @see llvm::GlobalIFunc::create()
2765  */
2766 LLVMValueRef LLVMAddGlobalIFunc(LLVMModuleRef M,
2767                                 const char *Name, size_t NameLen,
2768                                 LLVMTypeRef Ty, unsigned AddrSpace,
2769                                 LLVMValueRef Resolver);
2770 
2771 /**
2772  * Obtain a GlobalIFunc value from a Module by its name.
2773  *
2774  * The returned value corresponds to a llvm::GlobalIFunc value.
2775  *
2776  * @see llvm::Module::getNamedIFunc()
2777  */
2778 LLVMValueRef LLVMGetNamedGlobalIFunc(LLVMModuleRef M,
2779                                      const char *Name, size_t NameLen);
2780 
2781 /**
2782  * Obtain an iterator to the first GlobalIFunc in a Module.
2783  *
2784  * @see llvm::Module::ifunc_begin()
2785  */
2786 LLVMValueRef LLVMGetFirstGlobalIFunc(LLVMModuleRef M);
2787 
2788 /**
2789  * Obtain an iterator to the last GlobalIFunc in a Module.
2790  *
2791  * @see llvm::Module::ifunc_end()
2792  */
2793 LLVMValueRef LLVMGetLastGlobalIFunc(LLVMModuleRef M);
2794 
2795 /**
2796  * Advance a GlobalIFunc iterator to the next GlobalIFunc.
2797  *
2798  * Returns NULL if the iterator was already at the end and there are no more
2799  * global aliases.
2800  */
2801 LLVMValueRef LLVMGetNextGlobalIFunc(LLVMValueRef IFunc);
2802 
2803 /**
2804  * Decrement a GlobalIFunc iterator to the previous GlobalIFunc.
2805  *
2806  * Returns NULL if the iterator was already at the beginning and there are
2807  * no previous global aliases.
2808  */
2809 LLVMValueRef LLVMGetPreviousGlobalIFunc(LLVMValueRef IFunc);
2810 
2811 /**
2812  * Retrieves the resolver function associated with this indirect function, or
2813  * NULL if it doesn't not exist.
2814  *
2815  * @see llvm::GlobalIFunc::getResolver()
2816  */
2817 LLVMValueRef LLVMGetGlobalIFuncResolver(LLVMValueRef IFunc);
2818 
2819 /**
2820  * Sets the resolver function associated with this indirect function.
2821  *
2822  * @see llvm::GlobalIFunc::setResolver()
2823  */
2824 void LLVMSetGlobalIFuncResolver(LLVMValueRef IFunc, LLVMValueRef Resolver);
2825 
2826 /**
2827  * Remove a global indirect function from its parent module and delete it.
2828  *
2829  * @see llvm::GlobalIFunc::eraseFromParent()
2830  */
2831 void LLVMEraseGlobalIFunc(LLVMValueRef IFunc);
2832 
2833 /**
2834  * Remove a global indirect function from its parent module.
2835  *
2836  * This unlinks the global indirect function from its containing module but
2837  * keeps it alive.
2838  *
2839  * @see llvm::GlobalIFunc::removeFromParent()
2840  */
2841 void LLVMRemoveGlobalIFunc(LLVMValueRef IFunc);
2842 
2843 /**
2844  * @}
2845  */
2846 
2847 /**
2848  * @}
2849  */
2850 
2851 /**
2852  * @}
2853  */
2854 
2855 /**
2856  * @}
2857  */
2858 
2859 /**
2860  * @defgroup LLVMCCoreValueMetadata Metadata
2861  *
2862  * @{
2863  */
2864 
2865 /**
2866  * Create an MDString value from a given string value.
2867  *
2868  * The MDString value does not take ownership of the given string, it remains
2869  * the responsibility of the caller to free it.
2870  *
2871  * @see llvm::MDString::get()
2872  */
2873 LLVMMetadataRef LLVMMDStringInContext2(LLVMContextRef C, const char *Str,
2874                                        size_t SLen);
2875 
2876 /**
2877  * Create an MDNode value with the given array of operands.
2878  *
2879  * @see llvm::MDNode::get()
2880  */
2881 LLVMMetadataRef LLVMMDNodeInContext2(LLVMContextRef C, LLVMMetadataRef *MDs,
2882                                      size_t Count);
2883 
2884 /**
2885  * Obtain a Metadata as a Value.
2886  */
2887 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD);
2888 
2889 /**
2890  * Obtain a Value as a Metadata.
2891  */
2892 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val);
2893 
2894 /**
2895  * Obtain the underlying string from a MDString value.
2896  *
2897  * @param V Instance to obtain string from.
2898  * @param Length Memory address which will hold length of returned string.
2899  * @return String data in MDString.
2900  */
2901 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length);
2902 
2903 /**
2904  * Obtain the number of operands from an MDNode value.
2905  *
2906  * @param V MDNode to get number of operands from.
2907  * @return Number of operands of the MDNode.
2908  */
2909 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V);
2910 
2911 /**
2912  * Obtain the given MDNode's operands.
2913  *
2914  * The passed LLVMValueRef pointer should point to enough memory to hold all of
2915  * the operands of the given MDNode (see LLVMGetMDNodeNumOperands) as
2916  * LLVMValueRefs. This memory will be populated with the LLVMValueRefs of the
2917  * MDNode's operands.
2918  *
2919  * @param V MDNode to get the operands from.
2920  * @param Dest Destination array for operands.
2921  */
2922 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest);
2923 
2924 /** Deprecated: Use LLVMMDStringInContext2 instead. */
2925 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
2926                                    unsigned SLen);
2927 /** Deprecated: Use LLVMMDStringInContext2 instead. */
2928 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen);
2929 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
2930 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
2931                                  unsigned Count);
2932 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
2933 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count);
2934 
2935 /**
2936  * @}
2937  */
2938 
2939 /**
2940  * @defgroup LLVMCCoreValueBasicBlock Basic Block
2941  *
2942  * A basic block represents a single entry single exit section of code.
2943  * Basic blocks contain a list of instructions which form the body of
2944  * the block.
2945  *
2946  * Basic blocks belong to functions. They have the type of label.
2947  *
2948  * Basic blocks are themselves values. However, the C API models them as
2949  * LLVMBasicBlockRef.
2950  *
2951  * @see llvm::BasicBlock
2952  *
2953  * @{
2954  */
2955 
2956 /**
2957  * Convert a basic block instance to a value type.
2958  */
2959 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB);
2960 
2961 /**
2962  * Determine whether an LLVMValueRef is itself a basic block.
2963  */
2964 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val);
2965 
2966 /**
2967  * Convert an LLVMValueRef to an LLVMBasicBlockRef instance.
2968  */
2969 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val);
2970 
2971 /**
2972  * Obtain the string name of a basic block.
2973  */
2974 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB);
2975 
2976 /**
2977  * Obtain the function to which a basic block belongs.
2978  *
2979  * @see llvm::BasicBlock::getParent()
2980  */
2981 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB);
2982 
2983 /**
2984  * Obtain the terminator instruction for a basic block.
2985  *
2986  * If the basic block does not have a terminator (it is not well-formed
2987  * if it doesn't), then NULL is returned.
2988  *
2989  * The returned LLVMValueRef corresponds to an llvm::Instruction.
2990  *
2991  * @see llvm::BasicBlock::getTerminator()
2992  */
2993 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB);
2994 
2995 /**
2996  * Obtain the number of basic blocks in a function.
2997  *
2998  * @param Fn Function value to operate on.
2999  */
3000 unsigned LLVMCountBasicBlocks(LLVMValueRef Fn);
3001 
3002 /**
3003  * Obtain all of the basic blocks in a function.
3004  *
3005  * This operates on a function value. The BasicBlocks parameter is a
3006  * pointer to a pre-allocated array of LLVMBasicBlockRef of at least
3007  * LLVMCountBasicBlocks() in length. This array is populated with
3008  * LLVMBasicBlockRef instances.
3009  */
3010 void LLVMGetBasicBlocks(LLVMValueRef Fn, LLVMBasicBlockRef *BasicBlocks);
3011 
3012 /**
3013  * Obtain the first basic block in a function.
3014  *
3015  * The returned basic block can be used as an iterator. You will likely
3016  * eventually call into LLVMGetNextBasicBlock() with it.
3017  *
3018  * @see llvm::Function::begin()
3019  */
3020 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn);
3021 
3022 /**
3023  * Obtain the last basic block in a function.
3024  *
3025  * @see llvm::Function::end()
3026  */
3027 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn);
3028 
3029 /**
3030  * Advance a basic block iterator.
3031  */
3032 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB);
3033 
3034 /**
3035  * Go backwards in a basic block iterator.
3036  */
3037 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB);
3038 
3039 /**
3040  * Obtain the basic block that corresponds to the entry point of a
3041  * function.
3042  *
3043  * @see llvm::Function::getEntryBlock()
3044  */
3045 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn);
3046 
3047 /**
3048  * Insert the given basic block after the insertion point of the given builder.
3049  *
3050  * The insertion point must be valid.
3051  *
3052  * @see llvm::Function::BasicBlockListType::insertAfter()
3053  */
3054 void LLVMInsertExistingBasicBlockAfterInsertBlock(LLVMBuilderRef Builder,
3055                                                   LLVMBasicBlockRef BB);
3056 
3057 /**
3058  * Append the given basic block to the basic block list of the given function.
3059  *
3060  * @see llvm::Function::BasicBlockListType::push_back()
3061  */
3062 void LLVMAppendExistingBasicBlock(LLVMValueRef Fn,
3063                                   LLVMBasicBlockRef BB);
3064 
3065 /**
3066  * Create a new basic block without inserting it into a function.
3067  *
3068  * @see llvm::BasicBlock::Create()
3069  */
3070 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
3071                                                 const char *Name);
3072 
3073 /**
3074  * Append a basic block to the end of a function.
3075  *
3076  * @see llvm::BasicBlock::Create()
3077  */
3078 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
3079                                                 LLVMValueRef Fn,
3080                                                 const char *Name);
3081 
3082 /**
3083  * Append a basic block to the end of a function using the global
3084  * context.
3085  *
3086  * @see llvm::BasicBlock::Create()
3087  */
3088 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef Fn, const char *Name);
3089 
3090 /**
3091  * Insert a basic block in a function before another basic block.
3092  *
3093  * The function to add to is determined by the function of the
3094  * passed basic block.
3095  *
3096  * @see llvm::BasicBlock::Create()
3097  */
3098 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
3099                                                 LLVMBasicBlockRef BB,
3100                                                 const char *Name);
3101 
3102 /**
3103  * Insert a basic block in a function using the global context.
3104  *
3105  * @see llvm::BasicBlock::Create()
3106  */
3107 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef InsertBeforeBB,
3108                                        const char *Name);
3109 
3110 /**
3111  * Remove a basic block from a function and delete it.
3112  *
3113  * This deletes the basic block from its containing function and deletes
3114  * the basic block itself.
3115  *
3116  * @see llvm::BasicBlock::eraseFromParent()
3117  */
3118 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BB);
3119 
3120 /**
3121  * Remove a basic block from a function.
3122  *
3123  * This deletes the basic block from its containing function but keep
3124  * the basic block alive.
3125  *
3126  * @see llvm::BasicBlock::removeFromParent()
3127  */
3128 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BB);
3129 
3130 /**
3131  * Move a basic block to before another one.
3132  *
3133  * @see llvm::BasicBlock::moveBefore()
3134  */
3135 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3136 
3137 /**
3138  * Move a basic block to after another one.
3139  *
3140  * @see llvm::BasicBlock::moveAfter()
3141  */
3142 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3143 
3144 /**
3145  * Obtain the first instruction in a basic block.
3146  *
3147  * The returned LLVMValueRef corresponds to a llvm::Instruction
3148  * instance.
3149  */
3150 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB);
3151 
3152 /**
3153  * Obtain the last instruction in a basic block.
3154  *
3155  * The returned LLVMValueRef corresponds to an LLVM:Instruction.
3156  */
3157 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB);
3158 
3159 /**
3160  * @}
3161  */
3162 
3163 /**
3164  * @defgroup LLVMCCoreValueInstruction Instructions
3165  *
3166  * Functions in this group relate to the inspection and manipulation of
3167  * individual instructions.
3168  *
3169  * In the C++ API, an instruction is modeled by llvm::Instruction. This
3170  * class has a large number of descendents. llvm::Instruction is a
3171  * llvm::Value and in the C API, instructions are modeled by
3172  * LLVMValueRef.
3173  *
3174  * This group also contains sub-groups which operate on specific
3175  * llvm::Instruction types, e.g. llvm::CallInst.
3176  *
3177  * @{
3178  */
3179 
3180 /**
3181  * Determine whether an instruction has any metadata attached.
3182  */
3183 int LLVMHasMetadata(LLVMValueRef Val);
3184 
3185 /**
3186  * Return metadata associated with an instruction value.
3187  */
3188 LLVMValueRef LLVMGetMetadata(LLVMValueRef Val, unsigned KindID);
3189 
3190 /**
3191  * Set metadata associated with an instruction value.
3192  */
3193 void LLVMSetMetadata(LLVMValueRef Val, unsigned KindID, LLVMValueRef Node);
3194 
3195 /**
3196  * Returns the metadata associated with an instruction value, but filters out
3197  * all the debug locations.
3198  *
3199  * @see llvm::Instruction::getAllMetadataOtherThanDebugLoc()
3200  */
3201 LLVMValueMetadataEntry *
3202 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Instr,
3203                                                size_t *NumEntries);
3204 
3205 /**
3206  * Obtain the basic block to which an instruction belongs.
3207  *
3208  * @see llvm::Instruction::getParent()
3209  */
3210 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst);
3211 
3212 /**
3213  * Obtain the instruction that occurs after the one specified.
3214  *
3215  * The next instruction will be from the same basic block.
3216  *
3217  * If this is the last instruction in a basic block, NULL will be
3218  * returned.
3219  */
3220 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst);
3221 
3222 /**
3223  * Obtain the instruction that occurred before this one.
3224  *
3225  * If the instruction is the first instruction in a basic block, NULL
3226  * will be returned.
3227  */
3228 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst);
3229 
3230 /**
3231  * Remove an instruction.
3232  *
3233  * The instruction specified is removed from its containing building
3234  * block but is kept alive.
3235  *
3236  * @see llvm::Instruction::removeFromParent()
3237  */
3238 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst);
3239 
3240 /**
3241  * Remove and delete an instruction.
3242  *
3243  * The instruction specified is removed from its containing building
3244  * block and then deleted.
3245  *
3246  * @see llvm::Instruction::eraseFromParent()
3247  */
3248 void LLVMInstructionEraseFromParent(LLVMValueRef Inst);
3249 
3250 /**
3251  * Delete an instruction.
3252  *
3253  * The instruction specified is deleted. It must have previously been
3254  * removed from its containing building block.
3255  *
3256  * @see llvm::Value::deleteValue()
3257  */
3258 void LLVMDeleteInstruction(LLVMValueRef Inst);
3259 
3260 /**
3261  * Obtain the code opcode for an individual instruction.
3262  *
3263  * @see llvm::Instruction::getOpCode()
3264  */
3265 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst);
3266 
3267 /**
3268  * Obtain the predicate of an instruction.
3269  *
3270  * This is only valid for instructions that correspond to llvm::ICmpInst
3271  * or llvm::ConstantExpr whose opcode is llvm::Instruction::ICmp.
3272  *
3273  * @see llvm::ICmpInst::getPredicate()
3274  */
3275 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst);
3276 
3277 /**
3278  * Obtain the float predicate of an instruction.
3279  *
3280  * This is only valid for instructions that correspond to llvm::FCmpInst
3281  * or llvm::ConstantExpr whose opcode is llvm::Instruction::FCmp.
3282  *
3283  * @see llvm::FCmpInst::getPredicate()
3284  */
3285 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst);
3286 
3287 /**
3288  * Create a copy of 'this' instruction that is identical in all ways
3289  * except the following:
3290  *   * The instruction has no parent
3291  *   * The instruction has no name
3292  *
3293  * @see llvm::Instruction::clone()
3294  */
3295 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst);
3296 
3297 /**
3298  * Determine whether an instruction is a terminator. This routine is named to
3299  * be compatible with historical functions that did this by querying the
3300  * underlying C++ type.
3301  *
3302  * @see llvm::Instruction::isTerminator()
3303  */
3304 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst);
3305 
3306 /**
3307  * @defgroup LLVMCCoreValueInstructionCall Call Sites and Invocations
3308  *
3309  * Functions in this group apply to instructions that refer to call
3310  * sites and invocations. These correspond to C++ types in the
3311  * llvm::CallInst class tree.
3312  *
3313  * @{
3314  */
3315 
3316 /**
3317  * Obtain the argument count for a call instruction.
3318  *
3319  * This expects an LLVMValueRef that corresponds to a llvm::CallInst,
3320  * llvm::InvokeInst, or llvm:FuncletPadInst.
3321  *
3322  * @see llvm::CallInst::getNumArgOperands()
3323  * @see llvm::InvokeInst::getNumArgOperands()
3324  * @see llvm::FuncletPadInst::getNumArgOperands()
3325  */
3326 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr);
3327 
3328 /**
3329  * Set the calling convention for a call instruction.
3330  *
3331  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3332  * llvm::InvokeInst.
3333  *
3334  * @see llvm::CallInst::setCallingConv()
3335  * @see llvm::InvokeInst::setCallingConv()
3336  */
3337 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC);
3338 
3339 /**
3340  * Obtain the calling convention for a call instruction.
3341  *
3342  * This is the opposite of LLVMSetInstructionCallConv(). Reads its
3343  * usage.
3344  *
3345  * @see LLVMSetInstructionCallConv()
3346  */
3347 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr);
3348 
3349 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, LLVMAttributeIndex Idx,
3350                                 unsigned Align);
3351 
3352 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3353                               LLVMAttributeRef A);
3354 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C, LLVMAttributeIndex Idx);
3355 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
3356                                LLVMAttributeRef *Attrs);
3357 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
3358                                               LLVMAttributeIndex Idx,
3359                                               unsigned KindID);
3360 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
3361                                                 LLVMAttributeIndex Idx,
3362                                                 const char *K, unsigned KLen);
3363 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3364                                      unsigned KindID);
3365 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3366                                        const char *K, unsigned KLen);
3367 
3368 /**
3369  * Obtain the function type called by this instruction.
3370  *
3371  * @see llvm::CallBase::getFunctionType()
3372  */
3373 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef C);
3374 
3375 /**
3376  * Obtain the pointer to the function invoked by this instruction.
3377  *
3378  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3379  * llvm::InvokeInst.
3380  *
3381  * @see llvm::CallInst::getCalledOperand()
3382  * @see llvm::InvokeInst::getCalledOperand()
3383  */
3384 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr);
3385 
3386 /**
3387  * Obtain whether a call instruction is a tail call.
3388  *
3389  * This only works on llvm::CallInst instructions.
3390  *
3391  * @see llvm::CallInst::isTailCall()
3392  */
3393 LLVMBool LLVMIsTailCall(LLVMValueRef CallInst);
3394 
3395 /**
3396  * Set whether a call instruction is a tail call.
3397  *
3398  * This only works on llvm::CallInst instructions.
3399  *
3400  * @see llvm::CallInst::setTailCall()
3401  */
3402 void LLVMSetTailCall(LLVMValueRef CallInst, LLVMBool IsTailCall);
3403 
3404 /**
3405  * Return the normal destination basic block.
3406  *
3407  * This only works on llvm::InvokeInst instructions.
3408  *
3409  * @see llvm::InvokeInst::getNormalDest()
3410  */
3411 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef InvokeInst);
3412 
3413 /**
3414  * Return the unwind destination basic block.
3415  *
3416  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3417  * llvm::CatchSwitchInst instructions.
3418  *
3419  * @see llvm::InvokeInst::getUnwindDest()
3420  * @see llvm::CleanupReturnInst::getUnwindDest()
3421  * @see llvm::CatchSwitchInst::getUnwindDest()
3422  */
3423 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef InvokeInst);
3424 
3425 /**
3426  * Set the normal destination basic block.
3427  *
3428  * This only works on llvm::InvokeInst instructions.
3429  *
3430  * @see llvm::InvokeInst::setNormalDest()
3431  */
3432 void LLVMSetNormalDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3433 
3434 /**
3435  * Set the unwind destination basic block.
3436  *
3437  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3438  * llvm::CatchSwitchInst instructions.
3439  *
3440  * @see llvm::InvokeInst::setUnwindDest()
3441  * @see llvm::CleanupReturnInst::setUnwindDest()
3442  * @see llvm::CatchSwitchInst::setUnwindDest()
3443  */
3444 void LLVMSetUnwindDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3445 
3446 /**
3447  * @}
3448  */
3449 
3450 /**
3451  * @defgroup LLVMCCoreValueInstructionTerminator Terminators
3452  *
3453  * Functions in this group only apply to instructions for which
3454  * LLVMIsATerminatorInst returns true.
3455  *
3456  * @{
3457  */
3458 
3459 /**
3460  * Return the number of successors that this terminator has.
3461  *
3462  * @see llvm::Instruction::getNumSuccessors
3463  */
3464 unsigned LLVMGetNumSuccessors(LLVMValueRef Term);
3465 
3466 /**
3467  * Return the specified successor.
3468  *
3469  * @see llvm::Instruction::getSuccessor
3470  */
3471 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i);
3472 
3473 /**
3474  * Update the specified successor to point at the provided block.
3475  *
3476  * @see llvm::Instruction::setSuccessor
3477  */
3478 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block);
3479 
3480 /**
3481  * Return if a branch is conditional.
3482  *
3483  * This only works on llvm::BranchInst instructions.
3484  *
3485  * @see llvm::BranchInst::isConditional
3486  */
3487 LLVMBool LLVMIsConditional(LLVMValueRef Branch);
3488 
3489 /**
3490  * Return the condition of a branch instruction.
3491  *
3492  * This only works on llvm::BranchInst instructions.
3493  *
3494  * @see llvm::BranchInst::getCondition
3495  */
3496 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch);
3497 
3498 /**
3499  * Set the condition of a branch instruction.
3500  *
3501  * This only works on llvm::BranchInst instructions.
3502  *
3503  * @see llvm::BranchInst::setCondition
3504  */
3505 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond);
3506 
3507 /**
3508  * Obtain the default destination basic block of a switch instruction.
3509  *
3510  * This only works on llvm::SwitchInst instructions.
3511  *
3512  * @see llvm::SwitchInst::getDefaultDest()
3513  */
3514 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef SwitchInstr);
3515 
3516 /**
3517  * @}
3518  */
3519 
3520 /**
3521  * @defgroup LLVMCCoreValueInstructionAlloca Allocas
3522  *
3523  * Functions in this group only apply to instructions that map to
3524  * llvm::AllocaInst instances.
3525  *
3526  * @{
3527  */
3528 
3529 /**
3530  * Obtain the type that is being allocated by the alloca instruction.
3531  */
3532 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca);
3533 
3534 /**
3535  * @}
3536  */
3537 
3538 /**
3539  * @defgroup LLVMCCoreValueInstructionGetElementPointer GEPs
3540  *
3541  * Functions in this group only apply to instructions that map to
3542  * llvm::GetElementPtrInst instances.
3543  *
3544  * @{
3545  */
3546 
3547 /**
3548  * Check whether the given GEP operator is inbounds.
3549  */
3550 LLVMBool LLVMIsInBounds(LLVMValueRef GEP);
3551 
3552 /**
3553  * Set the given GEP instruction to be inbounds or not.
3554  */
3555 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds);
3556 
3557 /**
3558  * Get the source element type of the given GEP operator.
3559  */
3560 LLVMTypeRef LLVMGetGEPSourceElementType(LLVMValueRef GEP);
3561 
3562 /**
3563  * @}
3564  */
3565 
3566 /**
3567  * @defgroup LLVMCCoreValueInstructionPHINode PHI Nodes
3568  *
3569  * Functions in this group only apply to instructions that map to
3570  * llvm::PHINode instances.
3571  *
3572  * @{
3573  */
3574 
3575 /**
3576  * Add an incoming value to the end of a PHI list.
3577  */
3578 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3579                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count);
3580 
3581 /**
3582  * Obtain the number of incoming basic blocks to a PHI node.
3583  */
3584 unsigned LLVMCountIncoming(LLVMValueRef PhiNode);
3585 
3586 /**
3587  * Obtain an incoming value to a PHI node as an LLVMValueRef.
3588  */
3589 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index);
3590 
3591 /**
3592  * Obtain an incoming value to a PHI node as an LLVMBasicBlockRef.
3593  */
3594 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index);
3595 
3596 /**
3597  * @}
3598  */
3599 
3600 /**
3601  * @defgroup LLVMCCoreValueInstructionExtractValue ExtractValue
3602  * @defgroup LLVMCCoreValueInstructionInsertValue InsertValue
3603  *
3604  * Functions in this group only apply to instructions that map to
3605  * llvm::ExtractValue and llvm::InsertValue instances.
3606  *
3607  * @{
3608  */
3609 
3610 /**
3611  * Obtain the number of indices.
3612  * NB: This also works on GEP operators.
3613  */
3614 unsigned LLVMGetNumIndices(LLVMValueRef Inst);
3615 
3616 /**
3617  * Obtain the indices as an array.
3618  */
3619 const unsigned *LLVMGetIndices(LLVMValueRef Inst);
3620 
3621 /**
3622  * @}
3623  */
3624 
3625 /**
3626  * @}
3627  */
3628 
3629 /**
3630  * @}
3631  */
3632 
3633 /**
3634  * @defgroup LLVMCCoreInstructionBuilder Instruction Builders
3635  *
3636  * An instruction builder represents a point within a basic block and is
3637  * the exclusive means of building instructions using the C interface.
3638  *
3639  * @{
3640  */
3641 
3642 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C);
3643 LLVMBuilderRef LLVMCreateBuilder(void);
3644 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3645                          LLVMValueRef Instr);
3646 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr);
3647 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block);
3648 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder);
3649 void LLVMClearInsertionPosition(LLVMBuilderRef Builder);
3650 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr);
3651 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3652                                    const char *Name);
3653 void LLVMDisposeBuilder(LLVMBuilderRef Builder);
3654 
3655 /* Metadata */
3656 
3657 /**
3658  * Get location information used by debugging information.
3659  *
3660  * @see llvm::IRBuilder::getCurrentDebugLocation()
3661  */
3662 LLVMMetadataRef LLVMGetCurrentDebugLocation2(LLVMBuilderRef Builder);
3663 
3664 /**
3665  * Set location information used by debugging information.
3666  *
3667  * To clear the location metadata of the given instruction, pass NULL to \p Loc.
3668  *
3669  * @see llvm::IRBuilder::SetCurrentDebugLocation()
3670  */
3671 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Builder, LLVMMetadataRef Loc);
3672 
3673 /**
3674  * Attempts to set the debug location for the given instruction using the
3675  * current debug location for the given builder.  If the builder has no current
3676  * debug location, this function is a no-op.
3677  *
3678  * @deprecated LLVMSetInstDebugLocation is deprecated in favor of the more general
3679  *             LLVMAddMetadataToInst.
3680  *
3681  * @see llvm::IRBuilder::SetInstDebugLocation()
3682  */
3683 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst);
3684 
3685 /**
3686  * Adds the metadata registered with the given builder to the given instruction.
3687  *
3688  * @see llvm::IRBuilder::AddMetadataToInst()
3689  */
3690 void LLVMAddMetadataToInst(LLVMBuilderRef Builder, LLVMValueRef Inst);
3691 
3692 /**
3693  * Get the dafult floating-point math metadata for a given builder.
3694  *
3695  * @see llvm::IRBuilder::getDefaultFPMathTag()
3696  */
3697 LLVMMetadataRef LLVMBuilderGetDefaultFPMathTag(LLVMBuilderRef Builder);
3698 
3699 /**
3700  * Set the default floating-point math metadata for the given builder.
3701  *
3702  * To clear the metadata, pass NULL to \p FPMathTag.
3703  *
3704  * @see llvm::IRBuilder::setDefaultFPMathTag()
3705  */
3706 void LLVMBuilderSetDefaultFPMathTag(LLVMBuilderRef Builder,
3707                                     LLVMMetadataRef FPMathTag);
3708 
3709 /**
3710  * Deprecated: Passing the NULL location will crash.
3711  * Use LLVMGetCurrentDebugLocation2 instead.
3712  */
3713 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L);
3714 /**
3715  * Deprecated: Returning the NULL location will crash.
3716  * Use LLVMGetCurrentDebugLocation2 instead.
3717  */
3718 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder);
3719 
3720 /* Terminators */
3721 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef);
3722 LLVMValueRef LLVMBuildRet(LLVMBuilderRef, LLVMValueRef V);
3723 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef, LLVMValueRef *RetVals,
3724                                    unsigned N);
3725 LLVMValueRef LLVMBuildBr(LLVMBuilderRef, LLVMBasicBlockRef Dest);
3726 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef, LLVMValueRef If,
3727                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else);
3728 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef, LLVMValueRef V,
3729                              LLVMBasicBlockRef Else, unsigned NumCases);
3730 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3731                                  unsigned NumDests);
3732 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef, LLVMTypeRef Ty, LLVMValueRef Fn,
3733                               LLVMValueRef *Args, unsigned NumArgs,
3734                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3735                               const char *Name);
3736 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef);
3737 
3738 /* Exception Handling */
3739 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn);
3740 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3741                                  LLVMValueRef PersFn, unsigned NumClauses,
3742                                  const char *Name);
3743 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3744                                  LLVMBasicBlockRef BB);
3745 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3746                                LLVMBasicBlockRef BB);
3747 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3748                                LLVMValueRef *Args, unsigned NumArgs,
3749                                const char *Name);
3750 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3751                                  LLVMValueRef *Args, unsigned NumArgs,
3752                                  const char *Name);
3753 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3754                                   LLVMBasicBlockRef UnwindBB,
3755                                   unsigned NumHandlers, const char *Name);
3756 
3757 /* Add a case to the switch instruction */
3758 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3759                  LLVMBasicBlockRef Dest);
3760 
3761 /* Add a destination to the indirectbr instruction */
3762 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest);
3763 
3764 /* Get the number of clauses on the landingpad instruction */
3765 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad);
3766 
3767 /* Get the value of the clause at index Idx on the landingpad instruction */
3768 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx);
3769 
3770 /* Add a catch or filter clause to the landingpad instruction */
3771 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal);
3772 
3773 /* Get the 'cleanup' flag in the landingpad instruction */
3774 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad);
3775 
3776 /* Set the 'cleanup' flag in the landingpad instruction */
3777 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val);
3778 
3779 /* Add a destination to the catchswitch instruction */
3780 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest);
3781 
3782 /* Get the number of handlers on the catchswitch instruction */
3783 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch);
3784 
3785 /**
3786  * Obtain the basic blocks acting as handlers for a catchswitch instruction.
3787  *
3788  * The Handlers parameter should point to a pre-allocated array of
3789  * LLVMBasicBlockRefs at least LLVMGetNumHandlers() large. On return, the
3790  * first LLVMGetNumHandlers() entries in the array will be populated
3791  * with LLVMBasicBlockRef instances.
3792  *
3793  * @param CatchSwitch The catchswitch instruction to operate on.
3794  * @param Handlers Memory address of an array to be filled with basic blocks.
3795  */
3796 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers);
3797 
3798 /* Funclets */
3799 
3800 /* Get the number of funcletpad arguments. */
3801 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i);
3802 
3803 /* Set a funcletpad argument at the given index. */
3804 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value);
3805 
3806 /**
3807  * Get the parent catchswitch instruction of a catchpad instruction.
3808  *
3809  * This only works on llvm::CatchPadInst instructions.
3810  *
3811  * @see llvm::CatchPadInst::getCatchSwitch()
3812  */
3813 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad);
3814 
3815 /**
3816  * Set the parent catchswitch instruction of a catchpad instruction.
3817  *
3818  * This only works on llvm::CatchPadInst instructions.
3819  *
3820  * @see llvm::CatchPadInst::setCatchSwitch()
3821  */
3822 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch);
3823 
3824 /* Arithmetic */
3825 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3826                           const char *Name);
3827 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3828                              const char *Name);
3829 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3830                              const char *Name);
3831 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3832                            const char *Name);
3833 LLVMValueRef LLVMBuildSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3834                           const char *Name);
3835 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3836                              const char *Name);
3837 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3838                              const char *Name);
3839 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3840                            const char *Name);
3841 LLVMValueRef LLVMBuildMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3842                           const char *Name);
3843 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3844                              const char *Name);
3845 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3846                              const char *Name);
3847 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3848                            const char *Name);
3849 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3850                            const char *Name);
3851 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3852                                 const char *Name);
3853 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3854                            const char *Name);
3855 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3856                                 const char *Name);
3857 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3858                            const char *Name);
3859 LLVMValueRef LLVMBuildURem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3860                            const char *Name);
3861 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3862                            const char *Name);
3863 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3864                            const char *Name);
3865 LLVMValueRef LLVMBuildShl(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3866                            const char *Name);
3867 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3868                            const char *Name);
3869 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3870                            const char *Name);
3871 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3872                           const char *Name);
3873 LLVMValueRef LLVMBuildOr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3874                           const char *Name);
3875 LLVMValueRef LLVMBuildXor(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3876                           const char *Name);
3877 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
3878                             LLVMValueRef LHS, LLVMValueRef RHS,
3879                             const char *Name);
3880 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3881 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
3882                              const char *Name);
3883 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
3884                              const char *Name);
3885 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3886 LLVMValueRef LLVMBuildNot(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3887 
3888 /* Memory */
3889 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3890 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef, LLVMTypeRef Ty,
3891                                   LLVMValueRef Val, const char *Name);
3892 
3893 /**
3894  * Creates and inserts a memset to the specified pointer and the
3895  * specified value.
3896  *
3897  * @see llvm::IRRBuilder::CreateMemSet()
3898  */
3899 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
3900                              LLVMValueRef Val, LLVMValueRef Len,
3901                              unsigned Align);
3902 /**
3903  * Creates and inserts a memcpy between the specified pointers.
3904  *
3905  * @see llvm::IRRBuilder::CreateMemCpy()
3906  */
3907 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
3908                              LLVMValueRef Dst, unsigned DstAlign,
3909                              LLVMValueRef Src, unsigned SrcAlign,
3910                              LLVMValueRef Size);
3911 /**
3912  * Creates and inserts a memmove between the specified pointers.
3913  *
3914  * @see llvm::IRRBuilder::CreateMemMove()
3915  */
3916 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
3917                               LLVMValueRef Dst, unsigned DstAlign,
3918                               LLVMValueRef Src, unsigned SrcAlign,
3919                               LLVMValueRef Size);
3920 
3921 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3922 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef, LLVMTypeRef Ty,
3923                                   LLVMValueRef Val, const char *Name);
3924 LLVMValueRef LLVMBuildFree(LLVMBuilderRef, LLVMValueRef PointerVal);
3925 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef, LLVMTypeRef Ty,
3926                             LLVMValueRef PointerVal, const char *Name);
3927 LLVMValueRef LLVMBuildStore(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef Ptr);
3928 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3929                            LLVMValueRef Pointer, LLVMValueRef *Indices,
3930                            unsigned NumIndices, const char *Name);
3931 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3932                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
3933                                    unsigned NumIndices, const char *Name);
3934 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3935                                  LLVMValueRef Pointer, unsigned Idx,
3936                                  const char *Name);
3937 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
3938                                    const char *Name);
3939 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
3940                                       const char *Name);
3941 LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
3942 void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
3943 LLVMBool LLVMGetWeak(LLVMValueRef CmpXchgInst);
3944 void LLVMSetWeak(LLVMValueRef CmpXchgInst, LLVMBool IsWeak);
3945 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemoryAccessInst);
3946 void LLVMSetOrdering(LLVMValueRef MemoryAccessInst, LLVMAtomicOrdering Ordering);
3947 LLVMAtomicRMWBinOp LLVMGetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst);
3948 void LLVMSetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst, LLVMAtomicRMWBinOp BinOp);
3949 
3950 /* Casts */
3951 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,
3952                             LLVMTypeRef DestTy, const char *Name);
3953 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef, LLVMValueRef Val,
3954                            LLVMTypeRef DestTy, const char *Name);
3955 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef, LLVMValueRef Val,
3956                            LLVMTypeRef DestTy, const char *Name);
3957 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef, LLVMValueRef Val,
3958                              LLVMTypeRef DestTy, const char *Name);
3959 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef, LLVMValueRef Val,
3960                              LLVMTypeRef DestTy, const char *Name);
3961 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef, LLVMValueRef Val,
3962                              LLVMTypeRef DestTy, const char *Name);
3963 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef, LLVMValueRef Val,
3964                              LLVMTypeRef DestTy, const char *Name);
3965 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef, LLVMValueRef Val,
3966                               LLVMTypeRef DestTy, const char *Name);
3967 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef, LLVMValueRef Val,
3968                             LLVMTypeRef DestTy, const char *Name);
3969 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef, LLVMValueRef Val,
3970                                LLVMTypeRef DestTy, const char *Name);
3971 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef, LLVMValueRef Val,
3972                                LLVMTypeRef DestTy, const char *Name);
3973 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef, LLVMValueRef Val,
3974                               LLVMTypeRef DestTy, const char *Name);
3975 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef, LLVMValueRef Val,
3976                                     LLVMTypeRef DestTy, const char *Name);
3977 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3978                                     LLVMTypeRef DestTy, const char *Name);
3979 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3980                                     LLVMTypeRef DestTy, const char *Name);
3981 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3982                                      LLVMTypeRef DestTy, const char *Name);
3983 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
3984                            LLVMTypeRef DestTy, const char *Name);
3985 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
3986                                   LLVMTypeRef DestTy, const char *Name);
3987 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef, LLVMValueRef Val,
3988                                LLVMTypeRef DestTy, LLVMBool IsSigned,
3989                                const char *Name);
3990 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
3991                              LLVMTypeRef DestTy, const char *Name);
3992 
3993 /** Deprecated: This cast is always signed. Use LLVMBuildIntCast2 instead. */
3994 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
3995                               LLVMTypeRef DestTy, const char *Name);
3996 
3997 LLVMOpcode LLVMGetCastOpcode(LLVMValueRef Src, LLVMBool SrcIsSigned,
3998                              LLVMTypeRef DestTy, LLVMBool DestIsSigned);
3999 
4000 /* Comparisons */
4001 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
4002                            LLVMValueRef LHS, LLVMValueRef RHS,
4003                            const char *Name);
4004 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef, LLVMRealPredicate Op,
4005                            LLVMValueRef LHS, LLVMValueRef RHS,
4006                            const char *Name);
4007 
4008 /* Miscellaneous instructions */
4009 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
4010 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef, LLVMTypeRef, LLVMValueRef Fn,
4011                             LLVMValueRef *Args, unsigned NumArgs,
4012                             const char *Name);
4013 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef, LLVMValueRef If,
4014                              LLVMValueRef Then, LLVMValueRef Else,
4015                              const char *Name);
4016 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef, LLVMValueRef List, LLVMTypeRef Ty,
4017                             const char *Name);
4018 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef, LLVMValueRef VecVal,
4019                                      LLVMValueRef Index, const char *Name);
4020 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef, LLVMValueRef VecVal,
4021                                     LLVMValueRef EltVal, LLVMValueRef Index,
4022                                     const char *Name);
4023 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef, LLVMValueRef V1,
4024                                     LLVMValueRef V2, LLVMValueRef Mask,
4025                                     const char *Name);
4026 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef, LLVMValueRef AggVal,
4027                                    unsigned Index, const char *Name);
4028 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef, LLVMValueRef AggVal,
4029                                   LLVMValueRef EltVal, unsigned Index,
4030                                   const char *Name);
4031 LLVMValueRef LLVMBuildFreeze(LLVMBuilderRef, LLVMValueRef Val,
4032                              const char *Name);
4033 
4034 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef, LLVMValueRef Val,
4035                              const char *Name);
4036 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef, LLVMValueRef Val,
4037                                 const char *Name);
4038 LLVMValueRef LLVMBuildPtrDiff2(LLVMBuilderRef, LLVMTypeRef ElemTy,
4039                                LLVMValueRef LHS, LLVMValueRef RHS,
4040                                const char *Name);
4041 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering ordering,
4042                             LLVMBool singleThread, const char *Name);
4043 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B, LLVMAtomicRMWBinOp op,
4044                                 LLVMValueRef PTR, LLVMValueRef Val,
4045                                 LLVMAtomicOrdering ordering,
4046                                 LLVMBool singleThread);
4047 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
4048                                     LLVMValueRef Cmp, LLVMValueRef New,
4049                                     LLVMAtomicOrdering SuccessOrdering,
4050                                     LLVMAtomicOrdering FailureOrdering,
4051                                     LLVMBool SingleThread);
4052 
4053 /**
4054  * Get the number of elements in the mask of a ShuffleVector instruction.
4055  */
4056 unsigned LLVMGetNumMaskElements(LLVMValueRef ShuffleVectorInst);
4057 
4058 /**
4059  * \returns a constant that specifies that the result of a \c ShuffleVectorInst
4060  * is undefined.
4061  */
4062 int LLVMGetUndefMaskElem(void);
4063 
4064 /**
4065  * Get the mask value at position Elt in the mask of a ShuffleVector
4066  * instruction.
4067  *
4068  * \Returns the result of \c LLVMGetUndefMaskElem() if the mask value is undef
4069  * at that position.
4070  */
4071 int LLVMGetMaskValue(LLVMValueRef ShuffleVectorInst, unsigned Elt);
4072 
4073 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst);
4074 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread);
4075 
4076 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst);
4077 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
4078                                    LLVMAtomicOrdering Ordering);
4079 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst);
4080 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
4081                                    LLVMAtomicOrdering Ordering);
4082 
4083 /**
4084  * @}
4085  */
4086 
4087 /**
4088  * @defgroup LLVMCCoreModuleProvider Module Providers
4089  *
4090  * @{
4091  */
4092 
4093 /**
4094  * Changes the type of M so it can be passed to FunctionPassManagers and the
4095  * JIT.  They take ModuleProviders for historical reasons.
4096  */
4097 LLVMModuleProviderRef
4098 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M);
4099 
4100 /**
4101  * Destroys the module M.
4102  */
4103 void LLVMDisposeModuleProvider(LLVMModuleProviderRef M);
4104 
4105 /**
4106  * @}
4107  */
4108 
4109 /**
4110  * @defgroup LLVMCCoreMemoryBuffers Memory Buffers
4111  *
4112  * @{
4113  */
4114 
4115 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(const char *Path,
4116                                                   LLVMMemoryBufferRef *OutMemBuf,
4117                                                   char **OutMessage);
4118 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
4119                                          char **OutMessage);
4120 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
4121                                                           size_t InputDataLength,
4122                                                           const char *BufferName,
4123                                                           LLVMBool RequiresNullTerminator);
4124 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
4125                                                               size_t InputDataLength,
4126                                                               const char *BufferName);
4127 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
4128 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf);
4129 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
4130 
4131 /**
4132  * @}
4133  */
4134 
4135 /**
4136  * @defgroup LLVMCCorePassRegistry Pass Registry
4137  * @ingroup LLVMCCore
4138  *
4139  * @{
4140  */
4141 
4142 /** Return the global pass registry, for use with initialization functions.
4143     @see llvm::PassRegistry::getPassRegistry */
4144 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void);
4145 
4146 /**
4147  * @}
4148  */
4149 
4150 /**
4151  * @defgroup LLVMCCorePassManagers Pass Managers
4152  * @ingroup LLVMCCore
4153  *
4154  * @{
4155  */
4156 
4157 /** Constructs a new whole-module pass pipeline. This type of pipeline is
4158     suitable for link-time optimization and whole-module transformations.
4159     @see llvm::PassManager::PassManager */
4160 LLVMPassManagerRef LLVMCreatePassManager(void);
4161 
4162 /** Constructs a new function-by-function pass pipeline over the module
4163     provider. It does not take ownership of the module provider. This type of
4164     pipeline is suitable for code generation and JIT compilation tasks.
4165     @see llvm::FunctionPassManager::FunctionPassManager */
4166 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M);
4167 
4168 /** Deprecated: Use LLVMCreateFunctionPassManagerForModule instead. */
4169 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef MP);
4170 
4171 /** Initializes, executes on the provided module, and finalizes all of the
4172     passes scheduled in the pass manager. Returns 1 if any of the passes
4173     modified the module, 0 otherwise.
4174     @see llvm::PassManager::run(Module&) */
4175 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M);
4176 
4177 /** Initializes all of the function passes scheduled in the function pass
4178     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4179     @see llvm::FunctionPassManager::doInitialization */
4180 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM);
4181 
4182 /** Executes all of the function passes scheduled in the function pass manager
4183     on the provided function. Returns 1 if any of the passes modified the
4184     function, false otherwise.
4185     @see llvm::FunctionPassManager::run(Function&) */
4186 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F);
4187 
4188 /** Finalizes all of the function passes scheduled in the function pass
4189     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4190     @see llvm::FunctionPassManager::doFinalization */
4191 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM);
4192 
4193 /** Frees the memory of a pass pipeline. For function pipelines, does not free
4194     the module provider.
4195     @see llvm::PassManagerBase::~PassManagerBase. */
4196 void LLVMDisposePassManager(LLVMPassManagerRef PM);
4197 
4198 /**
4199  * @}
4200  */
4201 
4202 /**
4203  * @defgroup LLVMCCoreThreading Threading
4204  *
4205  * Handle the structures needed to make LLVM safe for multithreading.
4206  *
4207  * @{
4208  */
4209 
4210 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4211     time define LLVM_ENABLE_THREADS.  This function always returns
4212     LLVMIsMultithreaded(). */
4213 LLVMBool LLVMStartMultithreaded(void);
4214 
4215 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4216     time define LLVM_ENABLE_THREADS. */
4217 void LLVMStopMultithreaded(void);
4218 
4219 /** Check whether LLVM is executing in thread-safe mode or not.
4220     @see llvm::llvm_is_multithreaded */
4221 LLVMBool LLVMIsMultithreaded(void);
4222 
4223 /**
4224  * @}
4225  */
4226 
4227 /**
4228  * @}
4229  */
4230 
4231 /**
4232  * @}
4233  */
4234 
4235 LLVM_C_EXTERN_C_END
4236 
4237 #endif /* LLVM_C_CORE_H */
4238