xref: /freebsd/contrib/llvm-project/llvm/include/llvm-c/Core.h (revision 753f127f3ace09432b2baeffd71a308760641a62)
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 } LLVMTypeKind;
170 
171 typedef enum {
172   LLVMExternalLinkage,    /**< Externally visible function */
173   LLVMAvailableExternallyLinkage,
174   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
175   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something
176                             equivalent. */
177   LLVMLinkOnceODRAutoHideLinkage, /**< Obsolete */
178   LLVMWeakAnyLinkage,     /**< Keep one copy of function when linking (weak) */
179   LLVMWeakODRLinkage,     /**< Same, but only replaced by something
180                             equivalent. */
181   LLVMAppendingLinkage,   /**< Special purpose, only applies to global arrays */
182   LLVMInternalLinkage,    /**< Rename collisions when linking (static
183                                functions) */
184   LLVMPrivateLinkage,     /**< Like Internal, but omit from symbol table */
185   LLVMDLLImportLinkage,   /**< Obsolete */
186   LLVMDLLExportLinkage,   /**< Obsolete */
187   LLVMExternalWeakLinkage,/**< ExternalWeak linkage description */
188   LLVMGhostLinkage,       /**< Obsolete */
189   LLVMCommonLinkage,      /**< Tentative definitions */
190   LLVMLinkerPrivateLinkage, /**< Like Private, but linker removes. */
191   LLVMLinkerPrivateWeakLinkage /**< Like LinkerPrivate, but is weak. */
192 } LLVMLinkage;
193 
194 typedef enum {
195   LLVMDefaultVisibility,  /**< The GV is visible */
196   LLVMHiddenVisibility,   /**< The GV is hidden */
197   LLVMProtectedVisibility /**< The GV is protected */
198 } LLVMVisibility;
199 
200 typedef enum {
201   LLVMNoUnnamedAddr,    /**< Address of the GV is significant. */
202   LLVMLocalUnnamedAddr, /**< Address of the GV is locally insignificant. */
203   LLVMGlobalUnnamedAddr /**< Address of the GV is globally insignificant. */
204 } LLVMUnnamedAddr;
205 
206 typedef enum {
207   LLVMDefaultStorageClass   = 0,
208   LLVMDLLImportStorageClass = 1, /**< Function to be imported from DLL. */
209   LLVMDLLExportStorageClass = 2  /**< Function to be accessible from DLL. */
210 } LLVMDLLStorageClass;
211 
212 typedef enum {
213   LLVMCCallConv             = 0,
214   LLVMFastCallConv          = 8,
215   LLVMColdCallConv          = 9,
216   LLVMGHCCallConv           = 10,
217   LLVMHiPECallConv          = 11,
218   LLVMWebKitJSCallConv      = 12,
219   LLVMAnyRegCallConv        = 13,
220   LLVMPreserveMostCallConv  = 14,
221   LLVMPreserveAllCallConv   = 15,
222   LLVMSwiftCallConv         = 16,
223   LLVMCXXFASTTLSCallConv    = 17,
224   LLVMX86StdcallCallConv    = 64,
225   LLVMX86FastcallCallConv   = 65,
226   LLVMARMAPCSCallConv       = 66,
227   LLVMARMAAPCSCallConv      = 67,
228   LLVMARMAAPCSVFPCallConv   = 68,
229   LLVMMSP430INTRCallConv    = 69,
230   LLVMX86ThisCallCallConv   = 70,
231   LLVMPTXKernelCallConv     = 71,
232   LLVMPTXDeviceCallConv     = 72,
233   LLVMSPIRFUNCCallConv      = 75,
234   LLVMSPIRKERNELCallConv    = 76,
235   LLVMIntelOCLBICallConv    = 77,
236   LLVMX8664SysVCallConv     = 78,
237   LLVMWin64CallConv         = 79,
238   LLVMX86VectorCallCallConv = 80,
239   LLVMHHVMCallConv          = 81,
240   LLVMHHVMCCallConv         = 82,
241   LLVMX86INTRCallConv       = 83,
242   LLVMAVRINTRCallConv       = 84,
243   LLVMAVRSIGNALCallConv     = 85,
244   LLVMAVRBUILTINCallConv    = 86,
245   LLVMAMDGPUVSCallConv      = 87,
246   LLVMAMDGPUGSCallConv      = 88,
247   LLVMAMDGPUPSCallConv      = 89,
248   LLVMAMDGPUCSCallConv      = 90,
249   LLVMAMDGPUKERNELCallConv  = 91,
250   LLVMX86RegCallCallConv    = 92,
251   LLVMAMDGPUHSCallConv      = 93,
252   LLVMMSP430BUILTINCallConv = 94,
253   LLVMAMDGPULSCallConv      = 95,
254   LLVMAMDGPUESCallConv      = 96
255 } LLVMCallConv;
256 
257 typedef enum {
258   LLVMArgumentValueKind,
259   LLVMBasicBlockValueKind,
260   LLVMMemoryUseValueKind,
261   LLVMMemoryDefValueKind,
262   LLVMMemoryPhiValueKind,
263 
264   LLVMFunctionValueKind,
265   LLVMGlobalAliasValueKind,
266   LLVMGlobalIFuncValueKind,
267   LLVMGlobalVariableValueKind,
268   LLVMBlockAddressValueKind,
269   LLVMConstantExprValueKind,
270   LLVMConstantArrayValueKind,
271   LLVMConstantStructValueKind,
272   LLVMConstantVectorValueKind,
273 
274   LLVMUndefValueValueKind,
275   LLVMConstantAggregateZeroValueKind,
276   LLVMConstantDataArrayValueKind,
277   LLVMConstantDataVectorValueKind,
278   LLVMConstantIntValueKind,
279   LLVMConstantFPValueKind,
280   LLVMConstantPointerNullValueKind,
281   LLVMConstantTokenNoneValueKind,
282 
283   LLVMMetadataAsValueValueKind,
284   LLVMInlineAsmValueKind,
285 
286   LLVMInstructionValueKind,
287   LLVMPoisonValueValueKind
288 } LLVMValueKind;
289 
290 typedef enum {
291   LLVMIntEQ = 32, /**< equal */
292   LLVMIntNE,      /**< not equal */
293   LLVMIntUGT,     /**< unsigned greater than */
294   LLVMIntUGE,     /**< unsigned greater or equal */
295   LLVMIntULT,     /**< unsigned less than */
296   LLVMIntULE,     /**< unsigned less or equal */
297   LLVMIntSGT,     /**< signed greater than */
298   LLVMIntSGE,     /**< signed greater or equal */
299   LLVMIntSLT,     /**< signed less than */
300   LLVMIntSLE      /**< signed less or equal */
301 } LLVMIntPredicate;
302 
303 typedef enum {
304   LLVMRealPredicateFalse, /**< Always false (always folded) */
305   LLVMRealOEQ,            /**< True if ordered and equal */
306   LLVMRealOGT,            /**< True if ordered and greater than */
307   LLVMRealOGE,            /**< True if ordered and greater than or equal */
308   LLVMRealOLT,            /**< True if ordered and less than */
309   LLVMRealOLE,            /**< True if ordered and less than or equal */
310   LLVMRealONE,            /**< True if ordered and operands are unequal */
311   LLVMRealORD,            /**< True if ordered (no nans) */
312   LLVMRealUNO,            /**< True if unordered: isnan(X) | isnan(Y) */
313   LLVMRealUEQ,            /**< True if unordered or equal */
314   LLVMRealUGT,            /**< True if unordered or greater than */
315   LLVMRealUGE,            /**< True if unordered, greater than, or equal */
316   LLVMRealULT,            /**< True if unordered or less than */
317   LLVMRealULE,            /**< True if unordered, less than, or equal */
318   LLVMRealUNE,            /**< True if unordered or not equal */
319   LLVMRealPredicateTrue   /**< Always true (always folded) */
320 } LLVMRealPredicate;
321 
322 typedef enum {
323   LLVMLandingPadCatch,    /**< A catch clause   */
324   LLVMLandingPadFilter    /**< A filter clause  */
325 } LLVMLandingPadClauseTy;
326 
327 typedef enum {
328   LLVMNotThreadLocal = 0,
329   LLVMGeneralDynamicTLSModel,
330   LLVMLocalDynamicTLSModel,
331   LLVMInitialExecTLSModel,
332   LLVMLocalExecTLSModel
333 } LLVMThreadLocalMode;
334 
335 typedef enum {
336   LLVMAtomicOrderingNotAtomic = 0, /**< A load or store which is not atomic */
337   LLVMAtomicOrderingUnordered = 1, /**< Lowest level of atomicity, guarantees
338                                      somewhat sane results, lock free. */
339   LLVMAtomicOrderingMonotonic = 2, /**< guarantees that if you take all the
340                                      operations affecting a specific address,
341                                      a consistent ordering exists */
342   LLVMAtomicOrderingAcquire = 4, /**< Acquire provides a barrier of the sort
343                                    necessary to acquire a lock to access other
344                                    memory with normal loads and stores. */
345   LLVMAtomicOrderingRelease = 5, /**< Release is similar to Acquire, but with
346                                    a barrier of the sort necessary to release
347                                    a lock. */
348   LLVMAtomicOrderingAcquireRelease = 6, /**< provides both an Acquire and a
349                                           Release barrier (for fences and
350                                           operations which both read and write
351                                            memory). */
352   LLVMAtomicOrderingSequentiallyConsistent = 7 /**< provides Acquire semantics
353                                                  for loads and Release
354                                                  semantics for stores.
355                                                  Additionally, it guarantees
356                                                  that a total ordering exists
357                                                  between all
358                                                  SequentiallyConsistent
359                                                  operations. */
360 } LLVMAtomicOrdering;
361 
362 typedef enum {
363     LLVMAtomicRMWBinOpXchg, /**< Set the new value and return the one old */
364     LLVMAtomicRMWBinOpAdd, /**< Add a value and return the old one */
365     LLVMAtomicRMWBinOpSub, /**< Subtract a value and return the old one */
366     LLVMAtomicRMWBinOpAnd, /**< And a value and return the old one */
367     LLVMAtomicRMWBinOpNand, /**< Not-And a value and return the old one */
368     LLVMAtomicRMWBinOpOr, /**< OR a value and return the old one */
369     LLVMAtomicRMWBinOpXor, /**< Xor a value and return the old one */
370     LLVMAtomicRMWBinOpMax, /**< Sets the value if it's greater than the
371                              original using a signed comparison and return
372                              the old one */
373     LLVMAtomicRMWBinOpMin, /**< Sets the value if it's Smaller than the
374                              original using a signed comparison and return
375                              the old one */
376     LLVMAtomicRMWBinOpUMax, /**< Sets the value if it's greater than the
377                              original using an unsigned comparison and return
378                              the old one */
379     LLVMAtomicRMWBinOpUMin, /**< Sets the value if it's greater than the
380                               original using an unsigned comparison and return
381                               the old one */
382     LLVMAtomicRMWBinOpFAdd, /**< Add a floating point value and return the
383                               old one */
384     LLVMAtomicRMWBinOpFSub, /**< Subtract a floating point value and return the
385                             old one */
386     LLVMAtomicRMWBinOpFMax, /**< Sets the value if it's greater than the
387                              original using an floating point comparison and
388                              return the old one */
389     LLVMAtomicRMWBinOpFMin, /**< Sets the value if it's smaller than the
390                              original using an floating point comparison and
391                              return the old one */
392 } LLVMAtomicRMWBinOp;
393 
394 typedef enum {
395     LLVMDSError,
396     LLVMDSWarning,
397     LLVMDSRemark,
398     LLVMDSNote
399 } LLVMDiagnosticSeverity;
400 
401 typedef enum {
402   LLVMInlineAsmDialectATT,
403   LLVMInlineAsmDialectIntel
404 } LLVMInlineAsmDialect;
405 
406 typedef enum {
407   /**
408    * Emits an error if two values disagree, otherwise the resulting value is
409    * that of the operands.
410    *
411    * @see Module::ModFlagBehavior::Error
412    */
413   LLVMModuleFlagBehaviorError,
414   /**
415    * Emits a warning if two values disagree. The result value will be the
416    * operand for the flag from the first module being linked.
417    *
418    * @see Module::ModFlagBehavior::Warning
419    */
420   LLVMModuleFlagBehaviorWarning,
421   /**
422    * Adds a requirement that another module flag be present and have a
423    * specified value after linking is performed. The value must be a metadata
424    * pair, where the first element of the pair is the ID of the module flag
425    * to be restricted, and the second element of the pair is the value the
426    * module flag should be restricted to. This behavior can be used to
427    * restrict the allowable results (via triggering of an error) of linking
428    * IDs with the **Override** behavior.
429    *
430    * @see Module::ModFlagBehavior::Require
431    */
432   LLVMModuleFlagBehaviorRequire,
433   /**
434    * Uses the specified value, regardless of the behavior or value of the
435    * other module. If both modules specify **Override**, but the values
436    * differ, an error will be emitted.
437    *
438    * @see Module::ModFlagBehavior::Override
439    */
440   LLVMModuleFlagBehaviorOverride,
441   /**
442    * Appends the two values, which are required to be metadata nodes.
443    *
444    * @see Module::ModFlagBehavior::Append
445    */
446   LLVMModuleFlagBehaviorAppend,
447   /**
448    * Appends the two values, which are required to be metadata
449    * nodes. However, duplicate entries in the second list are dropped
450    * during the append operation.
451    *
452    * @see Module::ModFlagBehavior::AppendUnique
453    */
454   LLVMModuleFlagBehaviorAppendUnique,
455 } LLVMModuleFlagBehavior;
456 
457 /**
458  * Attribute index are either LLVMAttributeReturnIndex,
459  * LLVMAttributeFunctionIndex or a parameter number from 1 to N.
460  */
461 enum {
462   LLVMAttributeReturnIndex = 0U,
463   // ISO C restricts enumerator values to range of 'int'
464   // (4294967295 is too large)
465   // LLVMAttributeFunctionIndex = ~0U,
466   LLVMAttributeFunctionIndex = -1,
467 };
468 
469 typedef unsigned LLVMAttributeIndex;
470 
471 /**
472  * @}
473  */
474 
475 void LLVMInitializeCore(LLVMPassRegistryRef R);
476 
477 /** Deallocate and destroy all ManagedStatic variables.
478     @see llvm::llvm_shutdown
479     @see ManagedStatic */
480 void LLVMShutdown(void);
481 
482 /*===-- Error handling ----------------------------------------------------===*/
483 
484 char *LLVMCreateMessage(const char *Message);
485 void LLVMDisposeMessage(char *Message);
486 
487 /**
488  * @defgroup LLVMCCoreContext Contexts
489  *
490  * Contexts are execution states for the core LLVM IR system.
491  *
492  * Most types are tied to a context instance. Multiple contexts can
493  * exist simultaneously. A single context is not thread safe. However,
494  * different contexts can execute on different threads simultaneously.
495  *
496  * @{
497  */
498 
499 typedef void (*LLVMDiagnosticHandler)(LLVMDiagnosticInfoRef, void *);
500 typedef void (*LLVMYieldCallback)(LLVMContextRef, void *);
501 
502 /**
503  * Create a new context.
504  *
505  * Every call to this function should be paired with a call to
506  * LLVMContextDispose() or the context will leak memory.
507  */
508 LLVMContextRef LLVMContextCreate(void);
509 
510 /**
511  * Obtain the global context instance.
512  */
513 LLVMContextRef LLVMGetGlobalContext(void);
514 
515 /**
516  * Set the diagnostic handler for this context.
517  */
518 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
519                                      LLVMDiagnosticHandler Handler,
520                                      void *DiagnosticContext);
521 
522 /**
523  * Get the diagnostic handler of this context.
524  */
525 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C);
526 
527 /**
528  * Get the diagnostic context of this context.
529  */
530 void *LLVMContextGetDiagnosticContext(LLVMContextRef C);
531 
532 /**
533  * Set the yield callback function for this context.
534  *
535  * @see LLVMContext::setYieldCallback()
536  */
537 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
538                                  void *OpaqueHandle);
539 
540 /**
541  * Retrieve whether the given context is set to discard all value names.
542  *
543  * @see LLVMContext::shouldDiscardValueNames()
544  */
545 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C);
546 
547 /**
548  * Set whether the given context discards all value names.
549  *
550  * If true, only the names of GlobalValue objects will be available in the IR.
551  * This can be used to save memory and runtime, especially in release mode.
552  *
553  * @see LLVMContext::setDiscardValueNames()
554  */
555 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard);
556 
557 /**
558  * Set whether the given context is in opaque pointer mode.
559  *
560  * @see LLVMContext::setOpaquePointers()
561  */
562 void LLVMContextSetOpaquePointers(LLVMContextRef C, LLVMBool OpaquePointers);
563 
564 /**
565  * Destroy a context instance.
566  *
567  * This should be called for every call to LLVMContextCreate() or memory
568  * will be leaked.
569  */
570 void LLVMContextDispose(LLVMContextRef C);
571 
572 /**
573  * Return a string representation of the DiagnosticInfo. Use
574  * LLVMDisposeMessage to free the string.
575  *
576  * @see DiagnosticInfo::print()
577  */
578 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI);
579 
580 /**
581  * Return an enum LLVMDiagnosticSeverity.
582  *
583  * @see DiagnosticInfo::getSeverity()
584  */
585 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI);
586 
587 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
588                                   unsigned SLen);
589 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen);
590 
591 /**
592  * Return an unique id given the name of a enum attribute,
593  * or 0 if no attribute by that name exists.
594  *
595  * See http://llvm.org/docs/LangRef.html#parameter-attributes
596  * and http://llvm.org/docs/LangRef.html#function-attributes
597  * for the list of available attributes.
598  *
599  * NB: Attribute names and/or id are subject to change without
600  * going through the C API deprecation cycle.
601  */
602 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen);
603 unsigned LLVMGetLastEnumAttributeKind(void);
604 
605 /**
606  * Create an enum attribute.
607  */
608 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
609                                          uint64_t Val);
610 
611 /**
612  * Get the unique id corresponding to the enum attribute
613  * passed as argument.
614  */
615 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A);
616 
617 /**
618  * Get the enum attribute's value. 0 is returned if none exists.
619  */
620 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A);
621 
622 /**
623  * Create a type attribute
624  */
625 LLVMAttributeRef LLVMCreateTypeAttribute(LLVMContextRef C, unsigned KindID,
626                                          LLVMTypeRef type_ref);
627 
628 /**
629  * Get the type attribute's value.
630  */
631 LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A);
632 
633 /**
634  * Create a string attribute.
635  */
636 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
637                                            const char *K, unsigned KLength,
638                                            const char *V, unsigned VLength);
639 
640 /**
641  * Get the string attribute's kind.
642  */
643 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A, unsigned *Length);
644 
645 /**
646  * Get the string attribute's value.
647  */
648 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A, unsigned *Length);
649 
650 /**
651  * Check for the different types of attributes.
652  */
653 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A);
654 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A);
655 LLVMBool LLVMIsTypeAttribute(LLVMAttributeRef A);
656 
657 /**
658  * Obtain a Type from a context by its registered name.
659  */
660 LLVMTypeRef LLVMGetTypeByName2(LLVMContextRef C, const char *Name);
661 
662 /**
663  * @}
664  */
665 
666 /**
667  * @defgroup LLVMCCoreModule Modules
668  *
669  * Modules represent the top-level structure in an LLVM program. An LLVM
670  * module is effectively a translation unit or a collection of
671  * translation units merged together.
672  *
673  * @{
674  */
675 
676 /**
677  * Create a new, empty module in the global context.
678  *
679  * This is equivalent to calling LLVMModuleCreateWithNameInContext with
680  * LLVMGetGlobalContext() as the context parameter.
681  *
682  * Every invocation should be paired with LLVMDisposeModule() or memory
683  * will be leaked.
684  */
685 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID);
686 
687 /**
688  * Create a new, empty module in a specific context.
689  *
690  * Every invocation should be paired with LLVMDisposeModule() or memory
691  * will be leaked.
692  */
693 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
694                                                 LLVMContextRef C);
695 /**
696  * Return an exact copy of the specified module.
697  */
698 LLVMModuleRef LLVMCloneModule(LLVMModuleRef M);
699 
700 /**
701  * Destroy a module instance.
702  *
703  * This must be called for every created module or memory will be
704  * leaked.
705  */
706 void LLVMDisposeModule(LLVMModuleRef M);
707 
708 /**
709  * Obtain the identifier of a module.
710  *
711  * @param M Module to obtain identifier of
712  * @param Len Out parameter which holds the length of the returned string.
713  * @return The identifier of M.
714  * @see Module::getModuleIdentifier()
715  */
716 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len);
717 
718 /**
719  * Set the identifier of a module to a string Ident with length Len.
720  *
721  * @param M The module to set identifier
722  * @param Ident The string to set M's identifier to
723  * @param Len Length of Ident
724  * @see Module::setModuleIdentifier()
725  */
726 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len);
727 
728 /**
729  * Obtain the module's original source file name.
730  *
731  * @param M Module to obtain the name of
732  * @param Len Out parameter which holds the length of the returned string
733  * @return The original source file name of M
734  * @see Module::getSourceFileName()
735  */
736 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len);
737 
738 /**
739  * Set the original source file name of a module to a string Name with length
740  * Len.
741  *
742  * @param M The module to set the source file name of
743  * @param Name The string to set M's source file name to
744  * @param Len Length of Name
745  * @see Module::setSourceFileName()
746  */
747 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len);
748 
749 /**
750  * Obtain the data layout for a module.
751  *
752  * @see Module::getDataLayoutStr()
753  *
754  * LLVMGetDataLayout is DEPRECATED, as the name is not only incorrect,
755  * but match the name of another method on the module. Prefer the use
756  * of LLVMGetDataLayoutStr, which is not ambiguous.
757  */
758 const char *LLVMGetDataLayoutStr(LLVMModuleRef M);
759 const char *LLVMGetDataLayout(LLVMModuleRef M);
760 
761 /**
762  * Set the data layout for a module.
763  *
764  * @see Module::setDataLayout()
765  */
766 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr);
767 
768 /**
769  * Obtain the target triple for a module.
770  *
771  * @see Module::getTargetTriple()
772  */
773 const char *LLVMGetTarget(LLVMModuleRef M);
774 
775 /**
776  * Set the target triple for a module.
777  *
778  * @see Module::setTargetTriple()
779  */
780 void LLVMSetTarget(LLVMModuleRef M, const char *Triple);
781 
782 /**
783  * Returns the module flags as an array of flag-key-value triples.  The caller
784  * is responsible for freeing this array by calling
785  * \c LLVMDisposeModuleFlagsMetadata.
786  *
787  * @see Module::getModuleFlagsMetadata()
788  */
789 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len);
790 
791 /**
792  * Destroys module flags metadata entries.
793  */
794 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries);
795 
796 /**
797  * Returns the flag behavior for a module flag entry at a specific index.
798  *
799  * @see Module::ModuleFlagEntry::Behavior
800  */
801 LLVMModuleFlagBehavior
802 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
803                                      unsigned Index);
804 
805 /**
806  * Returns the key for a module flag entry at a specific index.
807  *
808  * @see Module::ModuleFlagEntry::Key
809  */
810 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
811                                         unsigned Index, size_t *Len);
812 
813 /**
814  * Returns the metadata for a module flag entry at a specific index.
815  *
816  * @see Module::ModuleFlagEntry::Val
817  */
818 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
819                                                  unsigned Index);
820 
821 /**
822  * Add a module-level flag to the module-level flags metadata if it doesn't
823  * already exist.
824  *
825  * @see Module::getModuleFlag()
826  */
827 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
828                                   const char *Key, size_t KeyLen);
829 
830 /**
831  * Add a module-level flag to the module-level flags metadata if it doesn't
832  * already exist.
833  *
834  * @see Module::addModuleFlag()
835  */
836 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
837                        const char *Key, size_t KeyLen,
838                        LLVMMetadataRef Val);
839 
840 /**
841  * Dump a representation of a module to stderr.
842  *
843  * @see Module::dump()
844  */
845 void LLVMDumpModule(LLVMModuleRef M);
846 
847 /**
848  * Print a representation of a module to a file. The ErrorMessage needs to be
849  * disposed with LLVMDisposeMessage. Returns 0 on success, 1 otherwise.
850  *
851  * @see Module::print()
852  */
853 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
854                                char **ErrorMessage);
855 
856 /**
857  * Return a string representation of the module. Use
858  * LLVMDisposeMessage to free the string.
859  *
860  * @see Module::print()
861  */
862 char *LLVMPrintModuleToString(LLVMModuleRef M);
863 
864 /**
865  * Get inline assembly for a module.
866  *
867  * @see Module::getModuleInlineAsm()
868  */
869 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len);
870 
871 /**
872  * Set inline assembly for a module.
873  *
874  * @see Module::setModuleInlineAsm()
875  */
876 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len);
877 
878 /**
879  * Append inline assembly to a module.
880  *
881  * @see Module::appendModuleInlineAsm()
882  */
883 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len);
884 
885 /**
886  * Create the specified uniqued inline asm string.
887  *
888  * @see InlineAsm::get()
889  */
890 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty, char *AsmString,
891                               size_t AsmStringSize, char *Constraints,
892                               size_t ConstraintsSize, LLVMBool HasSideEffects,
893                               LLVMBool IsAlignStack,
894                               LLVMInlineAsmDialect Dialect, LLVMBool CanThrow);
895 
896 /**
897  * Obtain the context to which this module is associated.
898  *
899  * @see Module::getContext()
900  */
901 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M);
902 
903 /** Deprecated: Use LLVMGetTypeByName2 instead. */
904 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name);
905 
906 /**
907  * Obtain an iterator to the first NamedMDNode in a Module.
908  *
909  * @see llvm::Module::named_metadata_begin()
910  */
911 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M);
912 
913 /**
914  * Obtain an iterator to the last NamedMDNode in a Module.
915  *
916  * @see llvm::Module::named_metadata_end()
917  */
918 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M);
919 
920 /**
921  * Advance a NamedMDNode iterator to the next NamedMDNode.
922  *
923  * Returns NULL if the iterator was already at the end and there are no more
924  * named metadata nodes.
925  */
926 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
927 
928 /**
929  * Decrement a NamedMDNode iterator to the previous NamedMDNode.
930  *
931  * Returns NULL if the iterator was already at the beginning and there are
932  * no previous named metadata nodes.
933  */
934 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
935 
936 /**
937  * Retrieve a NamedMDNode with the given name, returning NULL if no such
938  * node exists.
939  *
940  * @see llvm::Module::getNamedMetadata()
941  */
942 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
943                                         const char *Name, size_t NameLen);
944 
945 /**
946  * Retrieve a NamedMDNode with the given name, creating a new node if no such
947  * node exists.
948  *
949  * @see llvm::Module::getOrInsertNamedMetadata()
950  */
951 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
952                                                 const char *Name,
953                                                 size_t NameLen);
954 
955 /**
956  * Retrieve the name of a NamedMDNode.
957  *
958  * @see llvm::NamedMDNode::getName()
959  */
960 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NamedMD,
961                                      size_t *NameLen);
962 
963 /**
964  * Obtain the number of operands for named metadata in a module.
965  *
966  * @see llvm::Module::getNamedMetadata()
967  */
968 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name);
969 
970 /**
971  * Obtain the named metadata operands for a module.
972  *
973  * The passed LLVMValueRef pointer should refer to an array of
974  * LLVMValueRef at least LLVMGetNamedMetadataNumOperands long. This
975  * array will be populated with the LLVMValueRef instances. Each
976  * instance corresponds to a llvm::MDNode.
977  *
978  * @see llvm::Module::getNamedMetadata()
979  * @see llvm::MDNode::getOperand()
980  */
981 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
982                                   LLVMValueRef *Dest);
983 
984 /**
985  * Add an operand to named metadata.
986  *
987  * @see llvm::Module::getNamedMetadata()
988  * @see llvm::MDNode::addOperand()
989  */
990 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
991                                  LLVMValueRef Val);
992 
993 /**
994  * Return the directory of the debug location for this value, which must be
995  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
996  *
997  * @see llvm::Instruction::getDebugLoc()
998  * @see llvm::GlobalVariable::getDebugInfo()
999  * @see llvm::Function::getSubprogram()
1000  */
1001 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length);
1002 
1003 /**
1004  * Return the filename of the debug location for this value, which must be
1005  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
1006  *
1007  * @see llvm::Instruction::getDebugLoc()
1008  * @see llvm::GlobalVariable::getDebugInfo()
1009  * @see llvm::Function::getSubprogram()
1010  */
1011 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length);
1012 
1013 /**
1014  * Return the line number of the debug location for this value, which must be
1015  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
1016  *
1017  * @see llvm::Instruction::getDebugLoc()
1018  * @see llvm::GlobalVariable::getDebugInfo()
1019  * @see llvm::Function::getSubprogram()
1020  */
1021 unsigned LLVMGetDebugLocLine(LLVMValueRef Val);
1022 
1023 /**
1024  * Return the column number of the debug location for this value, which must be
1025  * an llvm::Instruction.
1026  *
1027  * @see llvm::Instruction::getDebugLoc()
1028  */
1029 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val);
1030 
1031 /**
1032  * Add a function to a module under a specified name.
1033  *
1034  * @see llvm::Function::Create()
1035  */
1036 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
1037                              LLVMTypeRef FunctionTy);
1038 
1039 /**
1040  * Obtain a Function value from a Module by its name.
1041  *
1042  * The returned value corresponds to a llvm::Function value.
1043  *
1044  * @see llvm::Module::getFunction()
1045  */
1046 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name);
1047 
1048 /**
1049  * Obtain an iterator to the first Function in a Module.
1050  *
1051  * @see llvm::Module::begin()
1052  */
1053 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M);
1054 
1055 /**
1056  * Obtain an iterator to the last Function in a Module.
1057  *
1058  * @see llvm::Module::end()
1059  */
1060 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M);
1061 
1062 /**
1063  * Advance a Function iterator to the next Function.
1064  *
1065  * Returns NULL if the iterator was already at the end and there are no more
1066  * functions.
1067  */
1068 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn);
1069 
1070 /**
1071  * Decrement a Function iterator to the previous Function.
1072  *
1073  * Returns NULL if the iterator was already at the beginning and there are
1074  * no previous functions.
1075  */
1076 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn);
1077 
1078 /** Deprecated: Use LLVMSetModuleInlineAsm2 instead. */
1079 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm);
1080 
1081 /**
1082  * @}
1083  */
1084 
1085 /**
1086  * @defgroup LLVMCCoreType Types
1087  *
1088  * Types represent the type of a value.
1089  *
1090  * Types are associated with a context instance. The context internally
1091  * deduplicates types so there is only 1 instance of a specific type
1092  * alive at a time. In other words, a unique type is shared among all
1093  * consumers within a context.
1094  *
1095  * A Type in the C API corresponds to llvm::Type.
1096  *
1097  * Types have the following hierarchy:
1098  *
1099  *   types:
1100  *     integer type
1101  *     real type
1102  *     function type
1103  *     sequence types:
1104  *       array type
1105  *       pointer type
1106  *       vector type
1107  *     void type
1108  *     label type
1109  *     opaque type
1110  *
1111  * @{
1112  */
1113 
1114 /**
1115  * Obtain the enumerated type of a Type instance.
1116  *
1117  * @see llvm::Type:getTypeID()
1118  */
1119 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty);
1120 
1121 /**
1122  * Whether the type has a known size.
1123  *
1124  * Things that don't have a size are abstract types, labels, and void.a
1125  *
1126  * @see llvm::Type::isSized()
1127  */
1128 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty);
1129 
1130 /**
1131  * Obtain the context to which this type instance is associated.
1132  *
1133  * @see llvm::Type::getContext()
1134  */
1135 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty);
1136 
1137 /**
1138  * Dump a representation of a type to stderr.
1139  *
1140  * @see llvm::Type::dump()
1141  */
1142 void LLVMDumpType(LLVMTypeRef Val);
1143 
1144 /**
1145  * Return a string representation of the type. Use
1146  * LLVMDisposeMessage to free the string.
1147  *
1148  * @see llvm::Type::print()
1149  */
1150 char *LLVMPrintTypeToString(LLVMTypeRef Val);
1151 
1152 /**
1153  * @defgroup LLVMCCoreTypeInt Integer Types
1154  *
1155  * Functions in this section operate on integer types.
1156  *
1157  * @{
1158  */
1159 
1160 /**
1161  * Obtain an integer type from a context with specified bit width.
1162  */
1163 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C);
1164 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C);
1165 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C);
1166 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C);
1167 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C);
1168 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C);
1169 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits);
1170 
1171 /**
1172  * Obtain an integer type from the global context with a specified bit
1173  * width.
1174  */
1175 LLVMTypeRef LLVMInt1Type(void);
1176 LLVMTypeRef LLVMInt8Type(void);
1177 LLVMTypeRef LLVMInt16Type(void);
1178 LLVMTypeRef LLVMInt32Type(void);
1179 LLVMTypeRef LLVMInt64Type(void);
1180 LLVMTypeRef LLVMInt128Type(void);
1181 LLVMTypeRef LLVMIntType(unsigned NumBits);
1182 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy);
1183 
1184 /**
1185  * @}
1186  */
1187 
1188 /**
1189  * @defgroup LLVMCCoreTypeFloat Floating Point Types
1190  *
1191  * @{
1192  */
1193 
1194 /**
1195  * Obtain a 16-bit floating point type from a context.
1196  */
1197 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C);
1198 
1199 /**
1200  * Obtain a 16-bit brain floating point type from a context.
1201  */
1202 LLVMTypeRef LLVMBFloatTypeInContext(LLVMContextRef C);
1203 
1204 /**
1205  * Obtain a 32-bit floating point type from a context.
1206  */
1207 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C);
1208 
1209 /**
1210  * Obtain a 64-bit floating point type from a context.
1211  */
1212 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C);
1213 
1214 /**
1215  * Obtain a 80-bit floating point type (X87) from a context.
1216  */
1217 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C);
1218 
1219 /**
1220  * Obtain a 128-bit floating point type (112-bit mantissa) from a
1221  * context.
1222  */
1223 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C);
1224 
1225 /**
1226  * Obtain a 128-bit floating point type (two 64-bits) from a context.
1227  */
1228 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C);
1229 
1230 /**
1231  * Obtain a floating point type from the global context.
1232  *
1233  * These map to the functions in this group of the same name.
1234  */
1235 LLVMTypeRef LLVMHalfType(void);
1236 LLVMTypeRef LLVMBFloatType(void);
1237 LLVMTypeRef LLVMFloatType(void);
1238 LLVMTypeRef LLVMDoubleType(void);
1239 LLVMTypeRef LLVMX86FP80Type(void);
1240 LLVMTypeRef LLVMFP128Type(void);
1241 LLVMTypeRef LLVMPPCFP128Type(void);
1242 
1243 /**
1244  * @}
1245  */
1246 
1247 /**
1248  * @defgroup LLVMCCoreTypeFunction Function Types
1249  *
1250  * @{
1251  */
1252 
1253 /**
1254  * Obtain a function type consisting of a specified signature.
1255  *
1256  * The function is defined as a tuple of a return Type, a list of
1257  * parameter types, and whether the function is variadic.
1258  */
1259 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
1260                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
1261                              LLVMBool IsVarArg);
1262 
1263 /**
1264  * Returns whether a function type is variadic.
1265  */
1266 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy);
1267 
1268 /**
1269  * Obtain the Type this function Type returns.
1270  */
1271 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy);
1272 
1273 /**
1274  * Obtain the number of parameters this function accepts.
1275  */
1276 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy);
1277 
1278 /**
1279  * Obtain the types of a function's parameters.
1280  *
1281  * The Dest parameter should point to a pre-allocated array of
1282  * LLVMTypeRef at least LLVMCountParamTypes() large. On return, the
1283  * first LLVMCountParamTypes() entries in the array will be populated
1284  * with LLVMTypeRef instances.
1285  *
1286  * @param FunctionTy The function type to operate on.
1287  * @param Dest Memory address of an array to be filled with result.
1288  */
1289 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest);
1290 
1291 /**
1292  * @}
1293  */
1294 
1295 /**
1296  * @defgroup LLVMCCoreTypeStruct Structure Types
1297  *
1298  * These functions relate to LLVMTypeRef instances.
1299  *
1300  * @see llvm::StructType
1301  *
1302  * @{
1303  */
1304 
1305 /**
1306  * Create a new structure type in a context.
1307  *
1308  * A structure is specified by a list of inner elements/types and
1309  * whether these can be packed together.
1310  *
1311  * @see llvm::StructType::create()
1312  */
1313 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
1314                                     unsigned ElementCount, LLVMBool Packed);
1315 
1316 /**
1317  * Create a new structure type in the global context.
1318  *
1319  * @see llvm::StructType::create()
1320  */
1321 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes, unsigned ElementCount,
1322                            LLVMBool Packed);
1323 
1324 /**
1325  * Create an empty structure in a context having a specified name.
1326  *
1327  * @see llvm::StructType::create()
1328  */
1329 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name);
1330 
1331 /**
1332  * Obtain the name of a structure.
1333  *
1334  * @see llvm::StructType::getName()
1335  */
1336 const char *LLVMGetStructName(LLVMTypeRef Ty);
1337 
1338 /**
1339  * Set the contents of a structure type.
1340  *
1341  * @see llvm::StructType::setBody()
1342  */
1343 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
1344                        unsigned ElementCount, LLVMBool Packed);
1345 
1346 /**
1347  * Get the number of elements defined inside the structure.
1348  *
1349  * @see llvm::StructType::getNumElements()
1350  */
1351 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy);
1352 
1353 /**
1354  * Get the elements within a structure.
1355  *
1356  * The function is passed the address of a pre-allocated array of
1357  * LLVMTypeRef at least LLVMCountStructElementTypes() long. After
1358  * invocation, this array will be populated with the structure's
1359  * elements. The objects in the destination array will have a lifetime
1360  * of the structure type itself, which is the lifetime of the context it
1361  * is contained in.
1362  */
1363 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest);
1364 
1365 /**
1366  * Get the type of the element at a given index in the structure.
1367  *
1368  * @see llvm::StructType::getTypeAtIndex()
1369  */
1370 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i);
1371 
1372 /**
1373  * Determine whether a structure is packed.
1374  *
1375  * @see llvm::StructType::isPacked()
1376  */
1377 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy);
1378 
1379 /**
1380  * Determine whether a structure is opaque.
1381  *
1382  * @see llvm::StructType::isOpaque()
1383  */
1384 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy);
1385 
1386 /**
1387  * Determine whether a structure is literal.
1388  *
1389  * @see llvm::StructType::isLiteral()
1390  */
1391 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy);
1392 
1393 /**
1394  * @}
1395  */
1396 
1397 /**
1398  * @defgroup LLVMCCoreTypeSequential Sequential Types
1399  *
1400  * Sequential types represents "arrays" of types. This is a super class
1401  * for array, vector, and pointer types.
1402  *
1403  * @{
1404  */
1405 
1406 /**
1407  * Obtain the element type of an array or vector type.
1408  *
1409  * This currently also works for pointer types, but this usage is deprecated.
1410  *
1411  * @see llvm::SequentialType::getElementType()
1412  */
1413 LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty);
1414 
1415 /**
1416  * Returns type's subtypes
1417  *
1418  * @see llvm::Type::subtypes()
1419  */
1420 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr);
1421 
1422 /**
1423  *  Return the number of types in the derived type.
1424  *
1425  * @see llvm::Type::getNumContainedTypes()
1426  */
1427 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp);
1428 
1429 /**
1430  * Create a fixed size array type that refers to a specific type.
1431  *
1432  * The created type will exist in the context that its element type
1433  * exists in.
1434  *
1435  * @see llvm::ArrayType::get()
1436  */
1437 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount);
1438 
1439 /**
1440  * Obtain the length of an array type.
1441  *
1442  * This only works on types that represent arrays.
1443  *
1444  * @see llvm::ArrayType::getNumElements()
1445  */
1446 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy);
1447 
1448 /**
1449  * Create a pointer type that points to a defined type.
1450  *
1451  * The created type will exist in the context that its pointee type
1452  * exists in.
1453  *
1454  * @see llvm::PointerType::get()
1455  */
1456 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace);
1457 
1458 /**
1459  * Determine whether a pointer is opaque.
1460  *
1461  * True if this is an instance of an opaque PointerType.
1462  *
1463  * @see llvm::Type::isOpaquePointerTy()
1464  */
1465 LLVMBool LLVMPointerTypeIsOpaque(LLVMTypeRef Ty);
1466 
1467 /**
1468  * Create an opaque pointer type in a context.
1469  *
1470  * @see llvm::PointerType::get()
1471  */
1472 LLVMTypeRef LLVMPointerTypeInContext(LLVMContextRef C, unsigned AddressSpace);
1473 
1474 /**
1475  * Obtain the address space of a pointer type.
1476  *
1477  * This only works on types that represent pointers.
1478  *
1479  * @see llvm::PointerType::getAddressSpace()
1480  */
1481 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy);
1482 
1483 /**
1484  * Create a vector type that contains a defined type and has a specific
1485  * number of elements.
1486  *
1487  * The created type will exist in the context thats its element type
1488  * exists in.
1489  *
1490  * @see llvm::VectorType::get()
1491  */
1492 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount);
1493 
1494 /**
1495  * Create a vector type that contains a defined type and has a scalable
1496  * number of elements.
1497  *
1498  * The created type will exist in the context thats its element type
1499  * exists in.
1500  *
1501  * @see llvm::ScalableVectorType::get()
1502  */
1503 LLVMTypeRef LLVMScalableVectorType(LLVMTypeRef ElementType,
1504                                    unsigned ElementCount);
1505 
1506 /**
1507  * Obtain the (possibly scalable) number of elements in a vector type.
1508  *
1509  * This only works on types that represent vectors (fixed or scalable).
1510  *
1511  * @see llvm::VectorType::getNumElements()
1512  */
1513 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy);
1514 
1515 /**
1516  * @}
1517  */
1518 
1519 /**
1520  * @defgroup LLVMCCoreTypeOther Other Types
1521  *
1522  * @{
1523  */
1524 
1525 /**
1526  * Create a void type in a context.
1527  */
1528 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C);
1529 
1530 /**
1531  * Create a label type in a context.
1532  */
1533 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C);
1534 
1535 /**
1536  * Create a X86 MMX type in a context.
1537  */
1538 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C);
1539 
1540 /**
1541  * Create a X86 AMX type in a context.
1542  */
1543 LLVMTypeRef LLVMX86AMXTypeInContext(LLVMContextRef C);
1544 
1545 /**
1546  * Create a token type in a context.
1547  */
1548 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C);
1549 
1550 /**
1551  * Create a metadata type in a context.
1552  */
1553 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C);
1554 
1555 /**
1556  * These are similar to the above functions except they operate on the
1557  * global context.
1558  */
1559 LLVMTypeRef LLVMVoidType(void);
1560 LLVMTypeRef LLVMLabelType(void);
1561 LLVMTypeRef LLVMX86MMXType(void);
1562 LLVMTypeRef LLVMX86AMXType(void);
1563 
1564 /**
1565  * @}
1566  */
1567 
1568 /**
1569  * @}
1570  */
1571 
1572 /**
1573  * @defgroup LLVMCCoreValues Values
1574  *
1575  * The bulk of LLVM's object model consists of values, which comprise a very
1576  * rich type hierarchy.
1577  *
1578  * LLVMValueRef essentially represents llvm::Value. There is a rich
1579  * hierarchy of classes within this type. Depending on the instance
1580  * obtained, not all APIs are available.
1581  *
1582  * Callers can determine the type of an LLVMValueRef by calling the
1583  * LLVMIsA* family of functions (e.g. LLVMIsAArgument()). These
1584  * functions are defined by a macro, so it isn't obvious which are
1585  * available by looking at the Doxygen source code. Instead, look at the
1586  * source definition of LLVM_FOR_EACH_VALUE_SUBCLASS and note the list
1587  * of value names given. These value names also correspond to classes in
1588  * the llvm::Value hierarchy.
1589  *
1590  * @{
1591  */
1592 
1593 #define LLVM_FOR_EACH_VALUE_SUBCLASS(macro) \
1594   macro(Argument)                           \
1595   macro(BasicBlock)                         \
1596   macro(InlineAsm)                          \
1597   macro(User)                               \
1598     macro(Constant)                         \
1599       macro(BlockAddress)                   \
1600       macro(ConstantAggregateZero)          \
1601       macro(ConstantArray)                  \
1602       macro(ConstantDataSequential)         \
1603         macro(ConstantDataArray)            \
1604         macro(ConstantDataVector)           \
1605       macro(ConstantExpr)                   \
1606       macro(ConstantFP)                     \
1607       macro(ConstantInt)                    \
1608       macro(ConstantPointerNull)            \
1609       macro(ConstantStruct)                 \
1610       macro(ConstantTokenNone)              \
1611       macro(ConstantVector)                 \
1612       macro(GlobalValue)                    \
1613         macro(GlobalAlias)                  \
1614         macro(GlobalObject)                 \
1615           macro(Function)                   \
1616           macro(GlobalVariable)             \
1617           macro(GlobalIFunc)                \
1618       macro(UndefValue)                     \
1619       macro(PoisonValue)                    \
1620     macro(Instruction)                      \
1621       macro(UnaryOperator)                  \
1622       macro(BinaryOperator)                 \
1623       macro(CallInst)                       \
1624         macro(IntrinsicInst)                \
1625           macro(DbgInfoIntrinsic)           \
1626             macro(DbgVariableIntrinsic)     \
1627               macro(DbgDeclareInst)         \
1628             macro(DbgLabelInst)             \
1629           macro(MemIntrinsic)               \
1630             macro(MemCpyInst)               \
1631             macro(MemMoveInst)              \
1632             macro(MemSetInst)               \
1633       macro(CmpInst)                        \
1634         macro(FCmpInst)                     \
1635         macro(ICmpInst)                     \
1636       macro(ExtractElementInst)             \
1637       macro(GetElementPtrInst)              \
1638       macro(InsertElementInst)              \
1639       macro(InsertValueInst)                \
1640       macro(LandingPadInst)                 \
1641       macro(PHINode)                        \
1642       macro(SelectInst)                     \
1643       macro(ShuffleVectorInst)              \
1644       macro(StoreInst)                      \
1645       macro(BranchInst)                     \
1646       macro(IndirectBrInst)                 \
1647       macro(InvokeInst)                     \
1648       macro(ReturnInst)                     \
1649       macro(SwitchInst)                     \
1650       macro(UnreachableInst)                \
1651       macro(ResumeInst)                     \
1652       macro(CleanupReturnInst)              \
1653       macro(CatchReturnInst)                \
1654       macro(CatchSwitchInst)                \
1655       macro(CallBrInst)                     \
1656       macro(FuncletPadInst)                 \
1657         macro(CatchPadInst)                 \
1658         macro(CleanupPadInst)               \
1659       macro(UnaryInstruction)               \
1660         macro(AllocaInst)                   \
1661         macro(CastInst)                     \
1662           macro(AddrSpaceCastInst)          \
1663           macro(BitCastInst)                \
1664           macro(FPExtInst)                  \
1665           macro(FPToSIInst)                 \
1666           macro(FPToUIInst)                 \
1667           macro(FPTruncInst)                \
1668           macro(IntToPtrInst)               \
1669           macro(PtrToIntInst)               \
1670           macro(SExtInst)                   \
1671           macro(SIToFPInst)                 \
1672           macro(TruncInst)                  \
1673           macro(UIToFPInst)                 \
1674           macro(ZExtInst)                   \
1675         macro(ExtractValueInst)             \
1676         macro(LoadInst)                     \
1677         macro(VAArgInst)                    \
1678         macro(FreezeInst)                   \
1679       macro(AtomicCmpXchgInst)              \
1680       macro(AtomicRMWInst)                  \
1681       macro(FenceInst)
1682 
1683 /**
1684  * @defgroup LLVMCCoreValueGeneral General APIs
1685  *
1686  * Functions in this section work on all LLVMValueRef instances,
1687  * regardless of their sub-type. They correspond to functions available
1688  * on llvm::Value.
1689  *
1690  * @{
1691  */
1692 
1693 /**
1694  * Obtain the type of a value.
1695  *
1696  * @see llvm::Value::getType()
1697  */
1698 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val);
1699 
1700 /**
1701  * Obtain the enumerated type of a Value instance.
1702  *
1703  * @see llvm::Value::getValueID()
1704  */
1705 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val);
1706 
1707 /**
1708  * Obtain the string name of a value.
1709  *
1710  * @see llvm::Value::getName()
1711  */
1712 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length);
1713 
1714 /**
1715  * Set the string name of a value.
1716  *
1717  * @see llvm::Value::setName()
1718  */
1719 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen);
1720 
1721 /**
1722  * Dump a representation of a value to stderr.
1723  *
1724  * @see llvm::Value::dump()
1725  */
1726 void LLVMDumpValue(LLVMValueRef Val);
1727 
1728 /**
1729  * Return a string representation of the value. Use
1730  * LLVMDisposeMessage to free the string.
1731  *
1732  * @see llvm::Value::print()
1733  */
1734 char *LLVMPrintValueToString(LLVMValueRef Val);
1735 
1736 /**
1737  * Replace all uses of a value with another one.
1738  *
1739  * @see llvm::Value::replaceAllUsesWith()
1740  */
1741 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal);
1742 
1743 /**
1744  * Determine whether the specified value instance is constant.
1745  */
1746 LLVMBool LLVMIsConstant(LLVMValueRef Val);
1747 
1748 /**
1749  * Determine whether a value instance is undefined.
1750  */
1751 LLVMBool LLVMIsUndef(LLVMValueRef Val);
1752 
1753 /**
1754  * Determine whether a value instance is poisonous.
1755  */
1756 LLVMBool LLVMIsPoison(LLVMValueRef Val);
1757 
1758 /**
1759  * Convert value instances between types.
1760  *
1761  * Internally, an LLVMValueRef is "pinned" to a specific type. This
1762  * series of functions allows you to cast an instance to a specific
1763  * type.
1764  *
1765  * If the cast is not valid for the specified type, NULL is returned.
1766  *
1767  * @see llvm::dyn_cast_or_null<>
1768  */
1769 #define LLVM_DECLARE_VALUE_CAST(name) \
1770   LLVMValueRef LLVMIsA##name(LLVMValueRef Val);
1771 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DECLARE_VALUE_CAST)
1772 
1773 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val);
1774 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val);
1775 
1776 /** Deprecated: Use LLVMGetValueName2 instead. */
1777 const char *LLVMGetValueName(LLVMValueRef Val);
1778 /** Deprecated: Use LLVMSetValueName2 instead. */
1779 void LLVMSetValueName(LLVMValueRef Val, const char *Name);
1780 
1781 /**
1782  * @}
1783  */
1784 
1785 /**
1786  * @defgroup LLVMCCoreValueUses Usage
1787  *
1788  * This module defines functions that allow you to inspect the uses of a
1789  * LLVMValueRef.
1790  *
1791  * It is possible to obtain an LLVMUseRef for any LLVMValueRef instance.
1792  * Each LLVMUseRef (which corresponds to a llvm::Use instance) holds a
1793  * llvm::User and llvm::Value.
1794  *
1795  * @{
1796  */
1797 
1798 /**
1799  * Obtain the first use of a value.
1800  *
1801  * Uses are obtained in an iterator fashion. First, call this function
1802  * to obtain a reference to the first use. Then, call LLVMGetNextUse()
1803  * on that instance and all subsequently obtained instances until
1804  * LLVMGetNextUse() returns NULL.
1805  *
1806  * @see llvm::Value::use_begin()
1807  */
1808 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val);
1809 
1810 /**
1811  * Obtain the next use of a value.
1812  *
1813  * This effectively advances the iterator. It returns NULL if you are on
1814  * the final use and no more are available.
1815  */
1816 LLVMUseRef LLVMGetNextUse(LLVMUseRef U);
1817 
1818 /**
1819  * Obtain the user value for a user.
1820  *
1821  * The returned value corresponds to a llvm::User type.
1822  *
1823  * @see llvm::Use::getUser()
1824  */
1825 LLVMValueRef LLVMGetUser(LLVMUseRef U);
1826 
1827 /**
1828  * Obtain the value this use corresponds to.
1829  *
1830  * @see llvm::Use::get().
1831  */
1832 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U);
1833 
1834 /**
1835  * @}
1836  */
1837 
1838 /**
1839  * @defgroup LLVMCCoreValueUser User value
1840  *
1841  * Function in this group pertain to LLVMValueRef instances that descent
1842  * from llvm::User. This includes constants, instructions, and
1843  * operators.
1844  *
1845  * @{
1846  */
1847 
1848 /**
1849  * Obtain an operand at a specific index in a llvm::User value.
1850  *
1851  * @see llvm::User::getOperand()
1852  */
1853 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index);
1854 
1855 /**
1856  * Obtain the use of an operand at a specific index in a llvm::User value.
1857  *
1858  * @see llvm::User::getOperandUse()
1859  */
1860 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index);
1861 
1862 /**
1863  * Set an operand at a specific index in a llvm::User value.
1864  *
1865  * @see llvm::User::setOperand()
1866  */
1867 void LLVMSetOperand(LLVMValueRef User, unsigned Index, LLVMValueRef Val);
1868 
1869 /**
1870  * Obtain the number of operands in a llvm::User value.
1871  *
1872  * @see llvm::User::getNumOperands()
1873  */
1874 int LLVMGetNumOperands(LLVMValueRef Val);
1875 
1876 /**
1877  * @}
1878  */
1879 
1880 /**
1881  * @defgroup LLVMCCoreValueConstant Constants
1882  *
1883  * This section contains APIs for interacting with LLVMValueRef that
1884  * correspond to llvm::Constant instances.
1885  *
1886  * These functions will work for any LLVMValueRef in the llvm::Constant
1887  * class hierarchy.
1888  *
1889  * @{
1890  */
1891 
1892 /**
1893  * Obtain a constant value referring to the null instance of a type.
1894  *
1895  * @see llvm::Constant::getNullValue()
1896  */
1897 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty); /* all zeroes */
1898 
1899 /**
1900  * Obtain a constant value referring to the instance of a type
1901  * consisting of all ones.
1902  *
1903  * This is only valid for integer types.
1904  *
1905  * @see llvm::Constant::getAllOnesValue()
1906  */
1907 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty);
1908 
1909 /**
1910  * Obtain a constant value referring to an undefined value of a type.
1911  *
1912  * @see llvm::UndefValue::get()
1913  */
1914 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty);
1915 
1916 /**
1917  * Obtain a constant value referring to a poison value of a type.
1918  *
1919  * @see llvm::PoisonValue::get()
1920  */
1921 LLVMValueRef LLVMGetPoison(LLVMTypeRef Ty);
1922 
1923 /**
1924  * Determine whether a value instance is null.
1925  *
1926  * @see llvm::Constant::isNullValue()
1927  */
1928 LLVMBool LLVMIsNull(LLVMValueRef Val);
1929 
1930 /**
1931  * Obtain a constant that is a constant pointer pointing to NULL for a
1932  * specified type.
1933  */
1934 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty);
1935 
1936 /**
1937  * @defgroup LLVMCCoreValueConstantScalar Scalar constants
1938  *
1939  * Functions in this group model LLVMValueRef instances that correspond
1940  * to constants referring to scalar types.
1941  *
1942  * For integer types, the LLVMTypeRef parameter should correspond to a
1943  * llvm::IntegerType instance and the returned LLVMValueRef will
1944  * correspond to a llvm::ConstantInt.
1945  *
1946  * For floating point types, the LLVMTypeRef returned corresponds to a
1947  * llvm::ConstantFP.
1948  *
1949  * @{
1950  */
1951 
1952 /**
1953  * Obtain a constant value for an integer type.
1954  *
1955  * The returned value corresponds to a llvm::ConstantInt.
1956  *
1957  * @see llvm::ConstantInt::get()
1958  *
1959  * @param IntTy Integer type to obtain value of.
1960  * @param N The value the returned instance should refer to.
1961  * @param SignExtend Whether to sign extend the produced value.
1962  */
1963 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1964                           LLVMBool SignExtend);
1965 
1966 /**
1967  * Obtain a constant value for an integer of arbitrary precision.
1968  *
1969  * @see llvm::ConstantInt::get()
1970  */
1971 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1972                                               unsigned NumWords,
1973                                               const uint64_t Words[]);
1974 
1975 /**
1976  * Obtain a constant value for an integer parsed from a string.
1977  *
1978  * A similar API, LLVMConstIntOfStringAndSize is also available. If the
1979  * string's length is available, it is preferred to call that function
1980  * instead.
1981  *
1982  * @see llvm::ConstantInt::get()
1983  */
1984 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char *Text,
1985                                   uint8_t Radix);
1986 
1987 /**
1988  * Obtain a constant value for an integer parsed from a string with
1989  * specified length.
1990  *
1991  * @see llvm::ConstantInt::get()
1992  */
1993 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char *Text,
1994                                          unsigned SLen, uint8_t Radix);
1995 
1996 /**
1997  * Obtain a constant value referring to a double floating point value.
1998  */
1999 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N);
2000 
2001 /**
2002  * Obtain a constant for a floating point value parsed from a string.
2003  *
2004  * A similar API, LLVMConstRealOfStringAndSize is also available. It
2005  * should be used if the input string's length is known.
2006  */
2007 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text);
2008 
2009 /**
2010  * Obtain a constant for a floating point value parsed from a string.
2011  */
2012 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char *Text,
2013                                           unsigned SLen);
2014 
2015 /**
2016  * Obtain the zero extended value for an integer constant value.
2017  *
2018  * @see llvm::ConstantInt::getZExtValue()
2019  */
2020 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal);
2021 
2022 /**
2023  * Obtain the sign extended value for an integer constant value.
2024  *
2025  * @see llvm::ConstantInt::getSExtValue()
2026  */
2027 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal);
2028 
2029 /**
2030  * Obtain the double value for an floating point constant value.
2031  * losesInfo indicates if some precision was lost in the conversion.
2032  *
2033  * @see llvm::ConstantFP::getDoubleValue
2034  */
2035 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *losesInfo);
2036 
2037 /**
2038  * @}
2039  */
2040 
2041 /**
2042  * @defgroup LLVMCCoreValueConstantComposite Composite Constants
2043  *
2044  * Functions in this group operate on composite constants.
2045  *
2046  * @{
2047  */
2048 
2049 /**
2050  * Create a ConstantDataSequential and initialize it with a string.
2051  *
2052  * @see llvm::ConstantDataArray::getString()
2053  */
2054 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
2055                                       unsigned Length, LLVMBool DontNullTerminate);
2056 
2057 /**
2058  * Create a ConstantDataSequential with string content in the global context.
2059  *
2060  * This is the same as LLVMConstStringInContext except it operates on the
2061  * global context.
2062  *
2063  * @see LLVMConstStringInContext()
2064  * @see llvm::ConstantDataArray::getString()
2065  */
2066 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
2067                              LLVMBool DontNullTerminate);
2068 
2069 /**
2070  * Returns true if the specified constant is an array of i8.
2071  *
2072  * @see ConstantDataSequential::getAsString()
2073  */
2074 LLVMBool LLVMIsConstantString(LLVMValueRef c);
2075 
2076 /**
2077  * Get the given constant data sequential as a string.
2078  *
2079  * @see ConstantDataSequential::getAsString()
2080  */
2081 const char *LLVMGetAsString(LLVMValueRef c, size_t *Length);
2082 
2083 /**
2084  * Create an anonymous ConstantStruct with the specified values.
2085  *
2086  * @see llvm::ConstantStruct::getAnon()
2087  */
2088 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
2089                                       LLVMValueRef *ConstantVals,
2090                                       unsigned Count, LLVMBool Packed);
2091 
2092 /**
2093  * Create a ConstantStruct in the global Context.
2094  *
2095  * This is the same as LLVMConstStructInContext except it operates on the
2096  * global Context.
2097  *
2098  * @see LLVMConstStructInContext()
2099  */
2100 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
2101                              LLVMBool Packed);
2102 
2103 /**
2104  * Create a ConstantArray from values.
2105  *
2106  * @see llvm::ConstantArray::get()
2107  */
2108 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
2109                             LLVMValueRef *ConstantVals, unsigned Length);
2110 
2111 /**
2112  * Create a non-anonymous ConstantStruct from values.
2113  *
2114  * @see llvm::ConstantStruct::get()
2115  */
2116 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
2117                                   LLVMValueRef *ConstantVals,
2118                                   unsigned Count);
2119 
2120 /**
2121  * Get element of a constant aggregate (struct, array or vector) at the
2122  * specified index. Returns null if the index is out of range, or it's not
2123  * possible to determine the element (e.g., because the constant is a
2124  * constant expression.)
2125  *
2126  * @see llvm::Constant::getAggregateElement()
2127  */
2128 LLVMValueRef LLVMGetAggregateElement(LLVMValueRef C, unsigned Idx);
2129 
2130 /**
2131  * Get an element at specified index as a constant.
2132  *
2133  * @see ConstantDataSequential::getElementAsConstant()
2134  */
2135 LLVM_ATTRIBUTE_C_DEPRECATED(
2136     LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx),
2137     "Use LLVMGetAggregateElement instead");
2138 
2139 /**
2140  * Create a ConstantVector from values.
2141  *
2142  * @see llvm::ConstantVector::get()
2143  */
2144 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size);
2145 
2146 /**
2147  * @}
2148  */
2149 
2150 /**
2151  * @defgroup LLVMCCoreValueConstantExpressions Constant Expressions
2152  *
2153  * Functions in this group correspond to APIs on llvm::ConstantExpr.
2154  *
2155  * @see llvm::ConstantExpr.
2156  *
2157  * @{
2158  */
2159 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal);
2160 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty);
2161 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty);
2162 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal);
2163 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal);
2164 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal);
2165 LLVMValueRef LLVMConstFNeg(LLVMValueRef ConstantVal);
2166 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal);
2167 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2168 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2169 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2170 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2171 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2172 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2173 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2174 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2175 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2176 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2177 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2178 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2179 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
2180                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2181 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
2182                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2183 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2184 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2185 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2186 LLVM_ATTRIBUTE_C_DEPRECATED(
2187     LLVMValueRef LLVMConstGEP(LLVMValueRef ConstantVal,
2188                               LLVMValueRef *ConstantIndices,
2189                               unsigned NumIndices),
2190     "Use LLVMConstGEP2 instead to support opaque pointers");
2191 LLVMValueRef LLVMConstGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2192                            LLVMValueRef *ConstantIndices, unsigned NumIndices);
2193 LLVM_ATTRIBUTE_C_DEPRECATED(
2194     LLVMValueRef LLVMConstInBoundsGEP(LLVMValueRef ConstantVal,
2195                                       LLVMValueRef *ConstantIndices,
2196                                       unsigned NumIndices),
2197     "Use LLVMConstInBoundsGEP2 instead to support opaque pointers");
2198 LLVMValueRef LLVMConstInBoundsGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2199                                    LLVMValueRef *ConstantIndices,
2200                                    unsigned NumIndices);
2201 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2202 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2203 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2204 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2205 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2206 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2207 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2208 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2209 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2210 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2211 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2212 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2213 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2214 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
2215                                     LLVMTypeRef ToType);
2216 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
2217                                     LLVMTypeRef ToType);
2218 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
2219                                      LLVMTypeRef ToType);
2220 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
2221                                   LLVMTypeRef ToType);
2222 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
2223                               LLVMBool isSigned);
2224 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2225 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
2226                              LLVMValueRef ConstantIfTrue,
2227                              LLVMValueRef ConstantIfFalse);
2228 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
2229                                      LLVMValueRef IndexConstant);
2230 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
2231                                     LLVMValueRef ElementValueConstant,
2232                                     LLVMValueRef IndexConstant);
2233 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
2234                                     LLVMValueRef VectorBConstant,
2235                                     LLVMValueRef MaskConstant);
2236 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB);
2237 
2238 /** Deprecated: Use LLVMGetInlineAsm instead. */
2239 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty,
2240                                 const char *AsmString, const char *Constraints,
2241                                 LLVMBool HasSideEffects, LLVMBool IsAlignStack);
2242 
2243 /**
2244  * @}
2245  */
2246 
2247 /**
2248  * @defgroup LLVMCCoreValueConstantGlobals Global Values
2249  *
2250  * This group contains functions that operate on global values. Functions in
2251  * this group relate to functions in the llvm::GlobalValue class tree.
2252  *
2253  * @see llvm::GlobalValue
2254  *
2255  * @{
2256  */
2257 
2258 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global);
2259 LLVMBool LLVMIsDeclaration(LLVMValueRef Global);
2260 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global);
2261 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage);
2262 const char *LLVMGetSection(LLVMValueRef Global);
2263 void LLVMSetSection(LLVMValueRef Global, const char *Section);
2264 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
2265 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
2266 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global);
2267 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class);
2268 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global);
2269 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr);
2270 
2271 /**
2272  * Returns the "value type" of a global value.  This differs from the formal
2273  * type of a global value which is always a pointer type.
2274  *
2275  * @see llvm::GlobalValue::getValueType()
2276  */
2277 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global);
2278 
2279 /** Deprecated: Use LLVMGetUnnamedAddress instead. */
2280 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global);
2281 /** Deprecated: Use LLVMSetUnnamedAddress instead. */
2282 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr);
2283 
2284 /**
2285  * @defgroup LLVMCCoreValueWithAlignment Values with alignment
2286  *
2287  * Functions in this group only apply to values with alignment, i.e.
2288  * global variables, load and store instructions.
2289  */
2290 
2291 /**
2292  * Obtain the preferred alignment of the value.
2293  * @see llvm::AllocaInst::getAlignment()
2294  * @see llvm::LoadInst::getAlignment()
2295  * @see llvm::StoreInst::getAlignment()
2296  * @see llvm::AtomicRMWInst::setAlignment()
2297  * @see llvm::AtomicCmpXchgInst::setAlignment()
2298  * @see llvm::GlobalValue::getAlignment()
2299  */
2300 unsigned LLVMGetAlignment(LLVMValueRef V);
2301 
2302 /**
2303  * Set the preferred alignment of the value.
2304  * @see llvm::AllocaInst::setAlignment()
2305  * @see llvm::LoadInst::setAlignment()
2306  * @see llvm::StoreInst::setAlignment()
2307  * @see llvm::AtomicRMWInst::setAlignment()
2308  * @see llvm::AtomicCmpXchgInst::setAlignment()
2309  * @see llvm::GlobalValue::setAlignment()
2310  */
2311 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes);
2312 
2313 /**
2314  * Sets a metadata attachment, erasing the existing metadata attachment if
2315  * it already exists for the given kind.
2316  *
2317  * @see llvm::GlobalObject::setMetadata()
2318  */
2319 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2320                            LLVMMetadataRef MD);
2321 
2322 /**
2323  * Erases a metadata attachment of the given kind if it exists.
2324  *
2325  * @see llvm::GlobalObject::eraseMetadata()
2326  */
2327 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind);
2328 
2329 /**
2330  * Removes all metadata attachments from this value.
2331  *
2332  * @see llvm::GlobalObject::clearMetadata()
2333  */
2334 void LLVMGlobalClearMetadata(LLVMValueRef Global);
2335 
2336 /**
2337  * Retrieves an array of metadata entries representing the metadata attached to
2338  * this value. The caller is responsible for freeing this array by calling
2339  * \c LLVMDisposeValueMetadataEntries.
2340  *
2341  * @see llvm::GlobalObject::getAllMetadata()
2342  */
2343 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2344                                                   size_t *NumEntries);
2345 
2346 /**
2347  * Destroys value metadata entries.
2348  */
2349 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries);
2350 
2351 /**
2352  * Returns the kind of a value metadata entry at a specific index.
2353  */
2354 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2355                                          unsigned Index);
2356 
2357 /**
2358  * Returns the underlying metadata node of a value metadata entry at a
2359  * specific index.
2360  */
2361 LLVMMetadataRef
2362 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2363                                     unsigned Index);
2364 
2365 /**
2366  * @}
2367  */
2368 
2369 /**
2370  * @defgroup LLVMCoreValueConstantGlobalVariable Global Variables
2371  *
2372  * This group contains functions that operate on global variable values.
2373  *
2374  * @see llvm::GlobalVariable
2375  *
2376  * @{
2377  */
2378 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name);
2379 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2380                                          const char *Name,
2381                                          unsigned AddressSpace);
2382 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name);
2383 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M);
2384 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M);
2385 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar);
2386 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar);
2387 void LLVMDeleteGlobal(LLVMValueRef GlobalVar);
2388 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar);
2389 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal);
2390 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar);
2391 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal);
2392 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar);
2393 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant);
2394 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar);
2395 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode);
2396 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar);
2397 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit);
2398 
2399 /**
2400  * @}
2401  */
2402 
2403 /**
2404  * @defgroup LLVMCoreValueConstantGlobalAlias Global Aliases
2405  *
2406  * This group contains function that operate on global alias values.
2407  *
2408  * @see llvm::GlobalAlias
2409  *
2410  * @{
2411  */
2412 
2413 LLVM_ATTRIBUTE_C_DEPRECATED(
2414     LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty,
2415                               LLVMValueRef Aliasee, const char *Name),
2416     "Use LLVMAddAlias2 instead to support opaque pointers");
2417 
2418 /**
2419  * Add a GlobalAlias with the given value type, address space and aliasee.
2420  *
2421  * @see llvm::GlobalAlias::create()
2422  */
2423 LLVMValueRef LLVMAddAlias2(LLVMModuleRef M, LLVMTypeRef ValueTy,
2424                            unsigned AddrSpace, LLVMValueRef Aliasee,
2425                            const char *Name);
2426 
2427 /**
2428  * Obtain a GlobalAlias value from a Module by its name.
2429  *
2430  * The returned value corresponds to a llvm::GlobalAlias value.
2431  *
2432  * @see llvm::Module::getNamedAlias()
2433  */
2434 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2435                                      const char *Name, size_t NameLen);
2436 
2437 /**
2438  * Obtain an iterator to the first GlobalAlias in a Module.
2439  *
2440  * @see llvm::Module::alias_begin()
2441  */
2442 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M);
2443 
2444 /**
2445  * Obtain an iterator to the last GlobalAlias in a Module.
2446  *
2447  * @see llvm::Module::alias_end()
2448  */
2449 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M);
2450 
2451 /**
2452  * Advance a GlobalAlias iterator to the next GlobalAlias.
2453  *
2454  * Returns NULL if the iterator was already at the end and there are no more
2455  * global aliases.
2456  */
2457 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA);
2458 
2459 /**
2460  * Decrement a GlobalAlias iterator to the previous GlobalAlias.
2461  *
2462  * Returns NULL if the iterator was already at the beginning and there are
2463  * no previous global aliases.
2464  */
2465 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA);
2466 
2467 /**
2468  * Retrieve the target value of an alias.
2469  */
2470 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias);
2471 
2472 /**
2473  * Set the target value of an alias.
2474  */
2475 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee);
2476 
2477 /**
2478  * @}
2479  */
2480 
2481 /**
2482  * @defgroup LLVMCCoreValueFunction Function values
2483  *
2484  * Functions in this group operate on LLVMValueRef instances that
2485  * correspond to llvm::Function instances.
2486  *
2487  * @see llvm::Function
2488  *
2489  * @{
2490  */
2491 
2492 /**
2493  * Remove a function from its containing module and deletes it.
2494  *
2495  * @see llvm::Function::eraseFromParent()
2496  */
2497 void LLVMDeleteFunction(LLVMValueRef Fn);
2498 
2499 /**
2500  * Check whether the given function has a personality function.
2501  *
2502  * @see llvm::Function::hasPersonalityFn()
2503  */
2504 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn);
2505 
2506 /**
2507  * Obtain the personality function attached to the function.
2508  *
2509  * @see llvm::Function::getPersonalityFn()
2510  */
2511 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn);
2512 
2513 /**
2514  * Set the personality function attached to the function.
2515  *
2516  * @see llvm::Function::setPersonalityFn()
2517  */
2518 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn);
2519 
2520 /**
2521  * Obtain the intrinsic ID number which matches the given function name.
2522  *
2523  * @see llvm::Function::lookupIntrinsicID()
2524  */
2525 unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen);
2526 
2527 /**
2528  * Obtain the ID number from a function instance.
2529  *
2530  * @see llvm::Function::getIntrinsicID()
2531  */
2532 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn);
2533 
2534 /**
2535  * Create or insert the declaration of an intrinsic.  For overloaded intrinsics,
2536  * parameter types must be provided to uniquely identify an overload.
2537  *
2538  * @see llvm::Intrinsic::getDeclaration()
2539  */
2540 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2541                                          unsigned ID,
2542                                          LLVMTypeRef *ParamTypes,
2543                                          size_t ParamCount);
2544 
2545 /**
2546  * Retrieves the type of an intrinsic.  For overloaded intrinsics, parameter
2547  * types must be provided to uniquely identify an overload.
2548  *
2549  * @see llvm::Intrinsic::getType()
2550  */
2551 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2552                                  LLVMTypeRef *ParamTypes, size_t ParamCount);
2553 
2554 /**
2555  * Retrieves the name of an intrinsic.
2556  *
2557  * @see llvm::Intrinsic::getName()
2558  */
2559 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength);
2560 
2561 /** Deprecated: Use LLVMIntrinsicCopyOverloadedName2 instead. */
2562 const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
2563                                             LLVMTypeRef *ParamTypes,
2564                                             size_t ParamCount,
2565                                             size_t *NameLength);
2566 
2567 /**
2568  * Copies the name of an overloaded intrinsic identified by a given list of
2569  * parameter types.
2570  *
2571  * Unlike LLVMIntrinsicGetName, the caller is responsible for freeing the
2572  * returned string.
2573  *
2574  * This version also supports unnamed types.
2575  *
2576  * @see llvm::Intrinsic::getName()
2577  */
2578 const char *LLVMIntrinsicCopyOverloadedName2(LLVMModuleRef Mod, unsigned ID,
2579                                              LLVMTypeRef *ParamTypes,
2580                                              size_t ParamCount,
2581                                              size_t *NameLength);
2582 
2583 /**
2584  * Obtain if the intrinsic identified by the given ID is overloaded.
2585  *
2586  * @see llvm::Intrinsic::isOverloaded()
2587  */
2588 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID);
2589 
2590 /**
2591  * Obtain the calling function of a function.
2592  *
2593  * The returned value corresponds to the LLVMCallConv enumeration.
2594  *
2595  * @see llvm::Function::getCallingConv()
2596  */
2597 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn);
2598 
2599 /**
2600  * Set the calling convention of a function.
2601  *
2602  * @see llvm::Function::setCallingConv()
2603  *
2604  * @param Fn Function to operate on
2605  * @param CC LLVMCallConv to set calling convention to
2606  */
2607 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC);
2608 
2609 /**
2610  * Obtain the name of the garbage collector to use during code
2611  * generation.
2612  *
2613  * @see llvm::Function::getGC()
2614  */
2615 const char *LLVMGetGC(LLVMValueRef Fn);
2616 
2617 /**
2618  * Define the garbage collector to use during code generation.
2619  *
2620  * @see llvm::Function::setGC()
2621  */
2622 void LLVMSetGC(LLVMValueRef Fn, const char *Name);
2623 
2624 /**
2625  * Add an attribute to a function.
2626  *
2627  * @see llvm::Function::addAttribute()
2628  */
2629 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2630                              LLVMAttributeRef A);
2631 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx);
2632 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2633                               LLVMAttributeRef *Attrs);
2634 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2635                                              LLVMAttributeIndex Idx,
2636                                              unsigned KindID);
2637 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2638                                                LLVMAttributeIndex Idx,
2639                                                const char *K, unsigned KLen);
2640 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2641                                     unsigned KindID);
2642 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2643                                       const char *K, unsigned KLen);
2644 
2645 /**
2646  * Add a target-dependent attribute to a function
2647  * @see llvm::AttrBuilder::addAttribute()
2648  */
2649 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2650                                         const char *V);
2651 
2652 /**
2653  * @defgroup LLVMCCoreValueFunctionParameters Function Parameters
2654  *
2655  * Functions in this group relate to arguments/parameters on functions.
2656  *
2657  * Functions in this group expect LLVMValueRef instances that correspond
2658  * to llvm::Function instances.
2659  *
2660  * @{
2661  */
2662 
2663 /**
2664  * Obtain the number of parameters in a function.
2665  *
2666  * @see llvm::Function::arg_size()
2667  */
2668 unsigned LLVMCountParams(LLVMValueRef Fn);
2669 
2670 /**
2671  * Obtain the parameters in a function.
2672  *
2673  * The takes a pointer to a pre-allocated array of LLVMValueRef that is
2674  * at least LLVMCountParams() long. This array will be filled with
2675  * LLVMValueRef instances which correspond to the parameters the
2676  * function receives. Each LLVMValueRef corresponds to a llvm::Argument
2677  * instance.
2678  *
2679  * @see llvm::Function::arg_begin()
2680  */
2681 void LLVMGetParams(LLVMValueRef Fn, LLVMValueRef *Params);
2682 
2683 /**
2684  * Obtain the parameter at the specified index.
2685  *
2686  * Parameters are indexed from 0.
2687  *
2688  * @see llvm::Function::arg_begin()
2689  */
2690 LLVMValueRef LLVMGetParam(LLVMValueRef Fn, unsigned Index);
2691 
2692 /**
2693  * Obtain the function to which this argument belongs.
2694  *
2695  * Unlike other functions in this group, this one takes an LLVMValueRef
2696  * that corresponds to a llvm::Attribute.
2697  *
2698  * The returned LLVMValueRef is the llvm::Function to which this
2699  * argument belongs.
2700  */
2701 LLVMValueRef LLVMGetParamParent(LLVMValueRef Inst);
2702 
2703 /**
2704  * Obtain the first parameter to a function.
2705  *
2706  * @see llvm::Function::arg_begin()
2707  */
2708 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn);
2709 
2710 /**
2711  * Obtain the last parameter to a function.
2712  *
2713  * @see llvm::Function::arg_end()
2714  */
2715 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn);
2716 
2717 /**
2718  * Obtain the next parameter to a function.
2719  *
2720  * This takes an LLVMValueRef obtained from LLVMGetFirstParam() (which is
2721  * actually a wrapped iterator) and obtains the next parameter from the
2722  * underlying iterator.
2723  */
2724 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg);
2725 
2726 /**
2727  * Obtain the previous parameter to a function.
2728  *
2729  * This is the opposite of LLVMGetNextParam().
2730  */
2731 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg);
2732 
2733 /**
2734  * Set the alignment for a function parameter.
2735  *
2736  * @see llvm::Argument::addAttr()
2737  * @see llvm::AttrBuilder::addAlignmentAttr()
2738  */
2739 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned Align);
2740 
2741 /**
2742  * @}
2743  */
2744 
2745 /**
2746  * @defgroup LLVMCCoreValueGlobalIFunc IFuncs
2747  *
2748  * Functions in this group relate to indirect functions.
2749  *
2750  * Functions in this group expect LLVMValueRef instances that correspond
2751  * to llvm::GlobalIFunc instances.
2752  *
2753  * @{
2754  */
2755 
2756 /**
2757  * Add a global indirect function to a module under a specified name.
2758  *
2759  * @see llvm::GlobalIFunc::create()
2760  */
2761 LLVMValueRef LLVMAddGlobalIFunc(LLVMModuleRef M,
2762                                 const char *Name, size_t NameLen,
2763                                 LLVMTypeRef Ty, unsigned AddrSpace,
2764                                 LLVMValueRef Resolver);
2765 
2766 /**
2767  * Obtain a GlobalIFunc value from a Module by its name.
2768  *
2769  * The returned value corresponds to a llvm::GlobalIFunc value.
2770  *
2771  * @see llvm::Module::getNamedIFunc()
2772  */
2773 LLVMValueRef LLVMGetNamedGlobalIFunc(LLVMModuleRef M,
2774                                      const char *Name, size_t NameLen);
2775 
2776 /**
2777  * Obtain an iterator to the first GlobalIFunc in a Module.
2778  *
2779  * @see llvm::Module::ifunc_begin()
2780  */
2781 LLVMValueRef LLVMGetFirstGlobalIFunc(LLVMModuleRef M);
2782 
2783 /**
2784  * Obtain an iterator to the last GlobalIFunc in a Module.
2785  *
2786  * @see llvm::Module::ifunc_end()
2787  */
2788 LLVMValueRef LLVMGetLastGlobalIFunc(LLVMModuleRef M);
2789 
2790 /**
2791  * Advance a GlobalIFunc iterator to the next GlobalIFunc.
2792  *
2793  * Returns NULL if the iterator was already at the end and there are no more
2794  * global aliases.
2795  */
2796 LLVMValueRef LLVMGetNextGlobalIFunc(LLVMValueRef IFunc);
2797 
2798 /**
2799  * Decrement a GlobalIFunc iterator to the previous GlobalIFunc.
2800  *
2801  * Returns NULL if the iterator was already at the beginning and there are
2802  * no previous global aliases.
2803  */
2804 LLVMValueRef LLVMGetPreviousGlobalIFunc(LLVMValueRef IFunc);
2805 
2806 /**
2807  * Retrieves the resolver function associated with this indirect function, or
2808  * NULL if it doesn't not exist.
2809  *
2810  * @see llvm::GlobalIFunc::getResolver()
2811  */
2812 LLVMValueRef LLVMGetGlobalIFuncResolver(LLVMValueRef IFunc);
2813 
2814 /**
2815  * Sets the resolver function associated with this indirect function.
2816  *
2817  * @see llvm::GlobalIFunc::setResolver()
2818  */
2819 void LLVMSetGlobalIFuncResolver(LLVMValueRef IFunc, LLVMValueRef Resolver);
2820 
2821 /**
2822  * Remove a global indirect function from its parent module and delete it.
2823  *
2824  * @see llvm::GlobalIFunc::eraseFromParent()
2825  */
2826 void LLVMEraseGlobalIFunc(LLVMValueRef IFunc);
2827 
2828 /**
2829  * Remove a global indirect function from its parent module.
2830  *
2831  * This unlinks the global indirect function from its containing module but
2832  * keeps it alive.
2833  *
2834  * @see llvm::GlobalIFunc::removeFromParent()
2835  */
2836 void LLVMRemoveGlobalIFunc(LLVMValueRef IFunc);
2837 
2838 /**
2839  * @}
2840  */
2841 
2842 /**
2843  * @}
2844  */
2845 
2846 /**
2847  * @}
2848  */
2849 
2850 /**
2851  * @}
2852  */
2853 
2854 /**
2855  * @defgroup LLVMCCoreValueMetadata Metadata
2856  *
2857  * @{
2858  */
2859 
2860 /**
2861  * Create an MDString value from a given string value.
2862  *
2863  * The MDString value does not take ownership of the given string, it remains
2864  * the responsibility of the caller to free it.
2865  *
2866  * @see llvm::MDString::get()
2867  */
2868 LLVMMetadataRef LLVMMDStringInContext2(LLVMContextRef C, const char *Str,
2869                                        size_t SLen);
2870 
2871 /**
2872  * Create an MDNode value with the given array of operands.
2873  *
2874  * @see llvm::MDNode::get()
2875  */
2876 LLVMMetadataRef LLVMMDNodeInContext2(LLVMContextRef C, LLVMMetadataRef *MDs,
2877                                      size_t Count);
2878 
2879 /**
2880  * Obtain a Metadata as a Value.
2881  */
2882 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD);
2883 
2884 /**
2885  * Obtain a Value as a Metadata.
2886  */
2887 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val);
2888 
2889 /**
2890  * Obtain the underlying string from a MDString value.
2891  *
2892  * @param V Instance to obtain string from.
2893  * @param Length Memory address which will hold length of returned string.
2894  * @return String data in MDString.
2895  */
2896 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length);
2897 
2898 /**
2899  * Obtain the number of operands from an MDNode value.
2900  *
2901  * @param V MDNode to get number of operands from.
2902  * @return Number of operands of the MDNode.
2903  */
2904 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V);
2905 
2906 /**
2907  * Obtain the given MDNode's operands.
2908  *
2909  * The passed LLVMValueRef pointer should point to enough memory to hold all of
2910  * the operands of the given MDNode (see LLVMGetMDNodeNumOperands) as
2911  * LLVMValueRefs. This memory will be populated with the LLVMValueRefs of the
2912  * MDNode's operands.
2913  *
2914  * @param V MDNode to get the operands from.
2915  * @param Dest Destination array for operands.
2916  */
2917 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest);
2918 
2919 /** Deprecated: Use LLVMMDStringInContext2 instead. */
2920 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
2921                                    unsigned SLen);
2922 /** Deprecated: Use LLVMMDStringInContext2 instead. */
2923 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen);
2924 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
2925 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
2926                                  unsigned Count);
2927 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
2928 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count);
2929 
2930 /**
2931  * @}
2932  */
2933 
2934 /**
2935  * @defgroup LLVMCCoreValueBasicBlock Basic Block
2936  *
2937  * A basic block represents a single entry single exit section of code.
2938  * Basic blocks contain a list of instructions which form the body of
2939  * the block.
2940  *
2941  * Basic blocks belong to functions. They have the type of label.
2942  *
2943  * Basic blocks are themselves values. However, the C API models them as
2944  * LLVMBasicBlockRef.
2945  *
2946  * @see llvm::BasicBlock
2947  *
2948  * @{
2949  */
2950 
2951 /**
2952  * Convert a basic block instance to a value type.
2953  */
2954 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB);
2955 
2956 /**
2957  * Determine whether an LLVMValueRef is itself a basic block.
2958  */
2959 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val);
2960 
2961 /**
2962  * Convert an LLVMValueRef to an LLVMBasicBlockRef instance.
2963  */
2964 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val);
2965 
2966 /**
2967  * Obtain the string name of a basic block.
2968  */
2969 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB);
2970 
2971 /**
2972  * Obtain the function to which a basic block belongs.
2973  *
2974  * @see llvm::BasicBlock::getParent()
2975  */
2976 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB);
2977 
2978 /**
2979  * Obtain the terminator instruction for a basic block.
2980  *
2981  * If the basic block does not have a terminator (it is not well-formed
2982  * if it doesn't), then NULL is returned.
2983  *
2984  * The returned LLVMValueRef corresponds to an llvm::Instruction.
2985  *
2986  * @see llvm::BasicBlock::getTerminator()
2987  */
2988 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB);
2989 
2990 /**
2991  * Obtain the number of basic blocks in a function.
2992  *
2993  * @param Fn Function value to operate on.
2994  */
2995 unsigned LLVMCountBasicBlocks(LLVMValueRef Fn);
2996 
2997 /**
2998  * Obtain all of the basic blocks in a function.
2999  *
3000  * This operates on a function value. The BasicBlocks parameter is a
3001  * pointer to a pre-allocated array of LLVMBasicBlockRef of at least
3002  * LLVMCountBasicBlocks() in length. This array is populated with
3003  * LLVMBasicBlockRef instances.
3004  */
3005 void LLVMGetBasicBlocks(LLVMValueRef Fn, LLVMBasicBlockRef *BasicBlocks);
3006 
3007 /**
3008  * Obtain the first basic block in a function.
3009  *
3010  * The returned basic block can be used as an iterator. You will likely
3011  * eventually call into LLVMGetNextBasicBlock() with it.
3012  *
3013  * @see llvm::Function::begin()
3014  */
3015 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn);
3016 
3017 /**
3018  * Obtain the last basic block in a function.
3019  *
3020  * @see llvm::Function::end()
3021  */
3022 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn);
3023 
3024 /**
3025  * Advance a basic block iterator.
3026  */
3027 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB);
3028 
3029 /**
3030  * Go backwards in a basic block iterator.
3031  */
3032 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB);
3033 
3034 /**
3035  * Obtain the basic block that corresponds to the entry point of a
3036  * function.
3037  *
3038  * @see llvm::Function::getEntryBlock()
3039  */
3040 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn);
3041 
3042 /**
3043  * Insert the given basic block after the insertion point of the given builder.
3044  *
3045  * The insertion point must be valid.
3046  *
3047  * @see llvm::Function::BasicBlockListType::insertAfter()
3048  */
3049 void LLVMInsertExistingBasicBlockAfterInsertBlock(LLVMBuilderRef Builder,
3050                                                   LLVMBasicBlockRef BB);
3051 
3052 /**
3053  * Append the given basic block to the basic block list of the given function.
3054  *
3055  * @see llvm::Function::BasicBlockListType::push_back()
3056  */
3057 void LLVMAppendExistingBasicBlock(LLVMValueRef Fn,
3058                                   LLVMBasicBlockRef BB);
3059 
3060 /**
3061  * Create a new basic block without inserting it into a function.
3062  *
3063  * @see llvm::BasicBlock::Create()
3064  */
3065 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
3066                                                 const char *Name);
3067 
3068 /**
3069  * Append a basic block to the end of a function.
3070  *
3071  * @see llvm::BasicBlock::Create()
3072  */
3073 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
3074                                                 LLVMValueRef Fn,
3075                                                 const char *Name);
3076 
3077 /**
3078  * Append a basic block to the end of a function using the global
3079  * context.
3080  *
3081  * @see llvm::BasicBlock::Create()
3082  */
3083 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef Fn, const char *Name);
3084 
3085 /**
3086  * Insert a basic block in a function before another basic block.
3087  *
3088  * The function to add to is determined by the function of the
3089  * passed basic block.
3090  *
3091  * @see llvm::BasicBlock::Create()
3092  */
3093 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
3094                                                 LLVMBasicBlockRef BB,
3095                                                 const char *Name);
3096 
3097 /**
3098  * Insert a basic block in a function using the global context.
3099  *
3100  * @see llvm::BasicBlock::Create()
3101  */
3102 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef InsertBeforeBB,
3103                                        const char *Name);
3104 
3105 /**
3106  * Remove a basic block from a function and delete it.
3107  *
3108  * This deletes the basic block from its containing function and deletes
3109  * the basic block itself.
3110  *
3111  * @see llvm::BasicBlock::eraseFromParent()
3112  */
3113 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BB);
3114 
3115 /**
3116  * Remove a basic block from a function.
3117  *
3118  * This deletes the basic block from its containing function but keep
3119  * the basic block alive.
3120  *
3121  * @see llvm::BasicBlock::removeFromParent()
3122  */
3123 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BB);
3124 
3125 /**
3126  * Move a basic block to before another one.
3127  *
3128  * @see llvm::BasicBlock::moveBefore()
3129  */
3130 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3131 
3132 /**
3133  * Move a basic block to after another one.
3134  *
3135  * @see llvm::BasicBlock::moveAfter()
3136  */
3137 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3138 
3139 /**
3140  * Obtain the first instruction in a basic block.
3141  *
3142  * The returned LLVMValueRef corresponds to a llvm::Instruction
3143  * instance.
3144  */
3145 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB);
3146 
3147 /**
3148  * Obtain the last instruction in a basic block.
3149  *
3150  * The returned LLVMValueRef corresponds to an LLVM:Instruction.
3151  */
3152 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB);
3153 
3154 /**
3155  * @}
3156  */
3157 
3158 /**
3159  * @defgroup LLVMCCoreValueInstruction Instructions
3160  *
3161  * Functions in this group relate to the inspection and manipulation of
3162  * individual instructions.
3163  *
3164  * In the C++ API, an instruction is modeled by llvm::Instruction. This
3165  * class has a large number of descendents. llvm::Instruction is a
3166  * llvm::Value and in the C API, instructions are modeled by
3167  * LLVMValueRef.
3168  *
3169  * This group also contains sub-groups which operate on specific
3170  * llvm::Instruction types, e.g. llvm::CallInst.
3171  *
3172  * @{
3173  */
3174 
3175 /**
3176  * Determine whether an instruction has any metadata attached.
3177  */
3178 int LLVMHasMetadata(LLVMValueRef Val);
3179 
3180 /**
3181  * Return metadata associated with an instruction value.
3182  */
3183 LLVMValueRef LLVMGetMetadata(LLVMValueRef Val, unsigned KindID);
3184 
3185 /**
3186  * Set metadata associated with an instruction value.
3187  */
3188 void LLVMSetMetadata(LLVMValueRef Val, unsigned KindID, LLVMValueRef Node);
3189 
3190 /**
3191  * Returns the metadata associated with an instruction value, but filters out
3192  * all the debug locations.
3193  *
3194  * @see llvm::Instruction::getAllMetadataOtherThanDebugLoc()
3195  */
3196 LLVMValueMetadataEntry *
3197 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Instr,
3198                                                size_t *NumEntries);
3199 
3200 /**
3201  * Obtain the basic block to which an instruction belongs.
3202  *
3203  * @see llvm::Instruction::getParent()
3204  */
3205 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst);
3206 
3207 /**
3208  * Obtain the instruction that occurs after the one specified.
3209  *
3210  * The next instruction will be from the same basic block.
3211  *
3212  * If this is the last instruction in a basic block, NULL will be
3213  * returned.
3214  */
3215 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst);
3216 
3217 /**
3218  * Obtain the instruction that occurred before this one.
3219  *
3220  * If the instruction is the first instruction in a basic block, NULL
3221  * will be returned.
3222  */
3223 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst);
3224 
3225 /**
3226  * Remove an instruction.
3227  *
3228  * The instruction specified is removed from its containing building
3229  * block but is kept alive.
3230  *
3231  * @see llvm::Instruction::removeFromParent()
3232  */
3233 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst);
3234 
3235 /**
3236  * Remove and delete an instruction.
3237  *
3238  * The instruction specified is removed from its containing building
3239  * block and then deleted.
3240  *
3241  * @see llvm::Instruction::eraseFromParent()
3242  */
3243 void LLVMInstructionEraseFromParent(LLVMValueRef Inst);
3244 
3245 /**
3246  * Delete an instruction.
3247  *
3248  * The instruction specified is deleted. It must have previously been
3249  * removed from its containing building block.
3250  *
3251  * @see llvm::Value::deleteValue()
3252  */
3253 void LLVMDeleteInstruction(LLVMValueRef Inst);
3254 
3255 /**
3256  * Obtain the code opcode for an individual instruction.
3257  *
3258  * @see llvm::Instruction::getOpCode()
3259  */
3260 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst);
3261 
3262 /**
3263  * Obtain the predicate of an instruction.
3264  *
3265  * This is only valid for instructions that correspond to llvm::ICmpInst
3266  * or llvm::ConstantExpr whose opcode is llvm::Instruction::ICmp.
3267  *
3268  * @see llvm::ICmpInst::getPredicate()
3269  */
3270 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst);
3271 
3272 /**
3273  * Obtain the float predicate of an instruction.
3274  *
3275  * This is only valid for instructions that correspond to llvm::FCmpInst
3276  * or llvm::ConstantExpr whose opcode is llvm::Instruction::FCmp.
3277  *
3278  * @see llvm::FCmpInst::getPredicate()
3279  */
3280 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst);
3281 
3282 /**
3283  * Create a copy of 'this' instruction that is identical in all ways
3284  * except the following:
3285  *   * The instruction has no parent
3286  *   * The instruction has no name
3287  *
3288  * @see llvm::Instruction::clone()
3289  */
3290 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst);
3291 
3292 /**
3293  * Determine whether an instruction is a terminator. This routine is named to
3294  * be compatible with historical functions that did this by querying the
3295  * underlying C++ type.
3296  *
3297  * @see llvm::Instruction::isTerminator()
3298  */
3299 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst);
3300 
3301 /**
3302  * @defgroup LLVMCCoreValueInstructionCall Call Sites and Invocations
3303  *
3304  * Functions in this group apply to instructions that refer to call
3305  * sites and invocations. These correspond to C++ types in the
3306  * llvm::CallInst class tree.
3307  *
3308  * @{
3309  */
3310 
3311 /**
3312  * Obtain the argument count for a call instruction.
3313  *
3314  * This expects an LLVMValueRef that corresponds to a llvm::CallInst,
3315  * llvm::InvokeInst, or llvm:FuncletPadInst.
3316  *
3317  * @see llvm::CallInst::getNumArgOperands()
3318  * @see llvm::InvokeInst::getNumArgOperands()
3319  * @see llvm::FuncletPadInst::getNumArgOperands()
3320  */
3321 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr);
3322 
3323 /**
3324  * Set the calling convention for a call instruction.
3325  *
3326  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3327  * llvm::InvokeInst.
3328  *
3329  * @see llvm::CallInst::setCallingConv()
3330  * @see llvm::InvokeInst::setCallingConv()
3331  */
3332 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC);
3333 
3334 /**
3335  * Obtain the calling convention for a call instruction.
3336  *
3337  * This is the opposite of LLVMSetInstructionCallConv(). Reads its
3338  * usage.
3339  *
3340  * @see LLVMSetInstructionCallConv()
3341  */
3342 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr);
3343 
3344 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, LLVMAttributeIndex Idx,
3345                                 unsigned Align);
3346 
3347 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3348                               LLVMAttributeRef A);
3349 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C, LLVMAttributeIndex Idx);
3350 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
3351                                LLVMAttributeRef *Attrs);
3352 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
3353                                               LLVMAttributeIndex Idx,
3354                                               unsigned KindID);
3355 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
3356                                                 LLVMAttributeIndex Idx,
3357                                                 const char *K, unsigned KLen);
3358 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3359                                      unsigned KindID);
3360 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3361                                        const char *K, unsigned KLen);
3362 
3363 /**
3364  * Obtain the function type called by this instruction.
3365  *
3366  * @see llvm::CallBase::getFunctionType()
3367  */
3368 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef C);
3369 
3370 /**
3371  * Obtain the pointer to the function invoked by this instruction.
3372  *
3373  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3374  * llvm::InvokeInst.
3375  *
3376  * @see llvm::CallInst::getCalledOperand()
3377  * @see llvm::InvokeInst::getCalledOperand()
3378  */
3379 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr);
3380 
3381 /**
3382  * Obtain whether a call instruction is a tail call.
3383  *
3384  * This only works on llvm::CallInst instructions.
3385  *
3386  * @see llvm::CallInst::isTailCall()
3387  */
3388 LLVMBool LLVMIsTailCall(LLVMValueRef CallInst);
3389 
3390 /**
3391  * Set whether a call instruction is a tail call.
3392  *
3393  * This only works on llvm::CallInst instructions.
3394  *
3395  * @see llvm::CallInst::setTailCall()
3396  */
3397 void LLVMSetTailCall(LLVMValueRef CallInst, LLVMBool IsTailCall);
3398 
3399 /**
3400  * Return the normal destination basic block.
3401  *
3402  * This only works on llvm::InvokeInst instructions.
3403  *
3404  * @see llvm::InvokeInst::getNormalDest()
3405  */
3406 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef InvokeInst);
3407 
3408 /**
3409  * Return the unwind destination basic block.
3410  *
3411  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3412  * llvm::CatchSwitchInst instructions.
3413  *
3414  * @see llvm::InvokeInst::getUnwindDest()
3415  * @see llvm::CleanupReturnInst::getUnwindDest()
3416  * @see llvm::CatchSwitchInst::getUnwindDest()
3417  */
3418 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef InvokeInst);
3419 
3420 /**
3421  * Set the normal destination basic block.
3422  *
3423  * This only works on llvm::InvokeInst instructions.
3424  *
3425  * @see llvm::InvokeInst::setNormalDest()
3426  */
3427 void LLVMSetNormalDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3428 
3429 /**
3430  * Set the unwind destination basic block.
3431  *
3432  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3433  * llvm::CatchSwitchInst instructions.
3434  *
3435  * @see llvm::InvokeInst::setUnwindDest()
3436  * @see llvm::CleanupReturnInst::setUnwindDest()
3437  * @see llvm::CatchSwitchInst::setUnwindDest()
3438  */
3439 void LLVMSetUnwindDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3440 
3441 /**
3442  * @}
3443  */
3444 
3445 /**
3446  * @defgroup LLVMCCoreValueInstructionTerminator Terminators
3447  *
3448  * Functions in this group only apply to instructions for which
3449  * LLVMIsATerminatorInst returns true.
3450  *
3451  * @{
3452  */
3453 
3454 /**
3455  * Return the number of successors that this terminator has.
3456  *
3457  * @see llvm::Instruction::getNumSuccessors
3458  */
3459 unsigned LLVMGetNumSuccessors(LLVMValueRef Term);
3460 
3461 /**
3462  * Return the specified successor.
3463  *
3464  * @see llvm::Instruction::getSuccessor
3465  */
3466 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i);
3467 
3468 /**
3469  * Update the specified successor to point at the provided block.
3470  *
3471  * @see llvm::Instruction::setSuccessor
3472  */
3473 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block);
3474 
3475 /**
3476  * Return if a branch is conditional.
3477  *
3478  * This only works on llvm::BranchInst instructions.
3479  *
3480  * @see llvm::BranchInst::isConditional
3481  */
3482 LLVMBool LLVMIsConditional(LLVMValueRef Branch);
3483 
3484 /**
3485  * Return the condition of a branch instruction.
3486  *
3487  * This only works on llvm::BranchInst instructions.
3488  *
3489  * @see llvm::BranchInst::getCondition
3490  */
3491 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch);
3492 
3493 /**
3494  * Set the condition of a branch instruction.
3495  *
3496  * This only works on llvm::BranchInst instructions.
3497  *
3498  * @see llvm::BranchInst::setCondition
3499  */
3500 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond);
3501 
3502 /**
3503  * Obtain the default destination basic block of a switch instruction.
3504  *
3505  * This only works on llvm::SwitchInst instructions.
3506  *
3507  * @see llvm::SwitchInst::getDefaultDest()
3508  */
3509 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef SwitchInstr);
3510 
3511 /**
3512  * @}
3513  */
3514 
3515 /**
3516  * @defgroup LLVMCCoreValueInstructionAlloca Allocas
3517  *
3518  * Functions in this group only apply to instructions that map to
3519  * llvm::AllocaInst instances.
3520  *
3521  * @{
3522  */
3523 
3524 /**
3525  * Obtain the type that is being allocated by the alloca instruction.
3526  */
3527 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca);
3528 
3529 /**
3530  * @}
3531  */
3532 
3533 /**
3534  * @defgroup LLVMCCoreValueInstructionGetElementPointer GEPs
3535  *
3536  * Functions in this group only apply to instructions that map to
3537  * llvm::GetElementPtrInst instances.
3538  *
3539  * @{
3540  */
3541 
3542 /**
3543  * Check whether the given GEP operator is inbounds.
3544  */
3545 LLVMBool LLVMIsInBounds(LLVMValueRef GEP);
3546 
3547 /**
3548  * Set the given GEP instruction to be inbounds or not.
3549  */
3550 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds);
3551 
3552 /**
3553  * Get the source element type of the given GEP operator.
3554  */
3555 LLVMTypeRef LLVMGetGEPSourceElementType(LLVMValueRef GEP);
3556 
3557 /**
3558  * @}
3559  */
3560 
3561 /**
3562  * @defgroup LLVMCCoreValueInstructionPHINode PHI Nodes
3563  *
3564  * Functions in this group only apply to instructions that map to
3565  * llvm::PHINode instances.
3566  *
3567  * @{
3568  */
3569 
3570 /**
3571  * Add an incoming value to the end of a PHI list.
3572  */
3573 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3574                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count);
3575 
3576 /**
3577  * Obtain the number of incoming basic blocks to a PHI node.
3578  */
3579 unsigned LLVMCountIncoming(LLVMValueRef PhiNode);
3580 
3581 /**
3582  * Obtain an incoming value to a PHI node as an LLVMValueRef.
3583  */
3584 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index);
3585 
3586 /**
3587  * Obtain an incoming value to a PHI node as an LLVMBasicBlockRef.
3588  */
3589 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index);
3590 
3591 /**
3592  * @}
3593  */
3594 
3595 /**
3596  * @defgroup LLVMCCoreValueInstructionExtractValue ExtractValue
3597  * @defgroup LLVMCCoreValueInstructionInsertValue InsertValue
3598  *
3599  * Functions in this group only apply to instructions that map to
3600  * llvm::ExtractValue and llvm::InsertValue instances.
3601  *
3602  * @{
3603  */
3604 
3605 /**
3606  * Obtain the number of indices.
3607  * NB: This also works on GEP operators.
3608  */
3609 unsigned LLVMGetNumIndices(LLVMValueRef Inst);
3610 
3611 /**
3612  * Obtain the indices as an array.
3613  */
3614 const unsigned *LLVMGetIndices(LLVMValueRef Inst);
3615 
3616 /**
3617  * @}
3618  */
3619 
3620 /**
3621  * @}
3622  */
3623 
3624 /**
3625  * @}
3626  */
3627 
3628 /**
3629  * @defgroup LLVMCCoreInstructionBuilder Instruction Builders
3630  *
3631  * An instruction builder represents a point within a basic block and is
3632  * the exclusive means of building instructions using the C interface.
3633  *
3634  * @{
3635  */
3636 
3637 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C);
3638 LLVMBuilderRef LLVMCreateBuilder(void);
3639 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3640                          LLVMValueRef Instr);
3641 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr);
3642 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block);
3643 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder);
3644 void LLVMClearInsertionPosition(LLVMBuilderRef Builder);
3645 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr);
3646 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3647                                    const char *Name);
3648 void LLVMDisposeBuilder(LLVMBuilderRef Builder);
3649 
3650 /* Metadata */
3651 
3652 /**
3653  * Get location information used by debugging information.
3654  *
3655  * @see llvm::IRBuilder::getCurrentDebugLocation()
3656  */
3657 LLVMMetadataRef LLVMGetCurrentDebugLocation2(LLVMBuilderRef Builder);
3658 
3659 /**
3660  * Set location information used by debugging information.
3661  *
3662  * To clear the location metadata of the given instruction, pass NULL to \p Loc.
3663  *
3664  * @see llvm::IRBuilder::SetCurrentDebugLocation()
3665  */
3666 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Builder, LLVMMetadataRef Loc);
3667 
3668 /**
3669  * Attempts to set the debug location for the given instruction using the
3670  * current debug location for the given builder.  If the builder has no current
3671  * debug location, this function is a no-op.
3672  *
3673  * @deprecated LLVMSetInstDebugLocation is deprecated in favor of the more general
3674  *             LLVMAddMetadataToInst.
3675  *
3676  * @see llvm::IRBuilder::SetInstDebugLocation()
3677  */
3678 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst);
3679 
3680 /**
3681  * Adds the metadata registered with the given builder to the given instruction.
3682  *
3683  * @see llvm::IRBuilder::AddMetadataToInst()
3684  */
3685 void LLVMAddMetadataToInst(LLVMBuilderRef Builder, LLVMValueRef Inst);
3686 
3687 /**
3688  * Get the dafult floating-point math metadata for a given builder.
3689  *
3690  * @see llvm::IRBuilder::getDefaultFPMathTag()
3691  */
3692 LLVMMetadataRef LLVMBuilderGetDefaultFPMathTag(LLVMBuilderRef Builder);
3693 
3694 /**
3695  * Set the default floating-point math metadata for the given builder.
3696  *
3697  * To clear the metadata, pass NULL to \p FPMathTag.
3698  *
3699  * @see llvm::IRBuilder::setDefaultFPMathTag()
3700  */
3701 void LLVMBuilderSetDefaultFPMathTag(LLVMBuilderRef Builder,
3702                                     LLVMMetadataRef FPMathTag);
3703 
3704 /**
3705  * Deprecated: Passing the NULL location will crash.
3706  * Use LLVMGetCurrentDebugLocation2 instead.
3707  */
3708 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L);
3709 /**
3710  * Deprecated: Returning the NULL location will crash.
3711  * Use LLVMGetCurrentDebugLocation2 instead.
3712  */
3713 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder);
3714 
3715 /* Terminators */
3716 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef);
3717 LLVMValueRef LLVMBuildRet(LLVMBuilderRef, LLVMValueRef V);
3718 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef, LLVMValueRef *RetVals,
3719                                    unsigned N);
3720 LLVMValueRef LLVMBuildBr(LLVMBuilderRef, LLVMBasicBlockRef Dest);
3721 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef, LLVMValueRef If,
3722                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else);
3723 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef, LLVMValueRef V,
3724                              LLVMBasicBlockRef Else, unsigned NumCases);
3725 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3726                                  unsigned NumDests);
3727 LLVM_ATTRIBUTE_C_DEPRECATED(
3728     LLVMValueRef LLVMBuildInvoke(LLVMBuilderRef, LLVMValueRef Fn,
3729                                  LLVMValueRef *Args, unsigned NumArgs,
3730                                  LLVMBasicBlockRef Then,
3731                                  LLVMBasicBlockRef Catch, const char *Name),
3732     "Use LLVMBuildInvoke2 instead to support opaque pointers");
3733 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef, LLVMTypeRef Ty, LLVMValueRef Fn,
3734                               LLVMValueRef *Args, unsigned NumArgs,
3735                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3736                               const char *Name);
3737 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef);
3738 
3739 /* Exception Handling */
3740 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn);
3741 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3742                                  LLVMValueRef PersFn, unsigned NumClauses,
3743                                  const char *Name);
3744 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3745                                  LLVMBasicBlockRef BB);
3746 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3747                                LLVMBasicBlockRef BB);
3748 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3749                                LLVMValueRef *Args, unsigned NumArgs,
3750                                const char *Name);
3751 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3752                                  LLVMValueRef *Args, unsigned NumArgs,
3753                                  const char *Name);
3754 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3755                                   LLVMBasicBlockRef UnwindBB,
3756                                   unsigned NumHandlers, const char *Name);
3757 
3758 /* Add a case to the switch instruction */
3759 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3760                  LLVMBasicBlockRef Dest);
3761 
3762 /* Add a destination to the indirectbr instruction */
3763 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest);
3764 
3765 /* Get the number of clauses on the landingpad instruction */
3766 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad);
3767 
3768 /* Get the value of the clause at index Idx on the landingpad instruction */
3769 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx);
3770 
3771 /* Add a catch or filter clause to the landingpad instruction */
3772 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal);
3773 
3774 /* Get the 'cleanup' flag in the landingpad instruction */
3775 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad);
3776 
3777 /* Set the 'cleanup' flag in the landingpad instruction */
3778 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val);
3779 
3780 /* Add a destination to the catchswitch instruction */
3781 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest);
3782 
3783 /* Get the number of handlers on the catchswitch instruction */
3784 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch);
3785 
3786 /**
3787  * Obtain the basic blocks acting as handlers for a catchswitch instruction.
3788  *
3789  * The Handlers parameter should point to a pre-allocated array of
3790  * LLVMBasicBlockRefs at least LLVMGetNumHandlers() large. On return, the
3791  * first LLVMGetNumHandlers() entries in the array will be populated
3792  * with LLVMBasicBlockRef instances.
3793  *
3794  * @param CatchSwitch The catchswitch instruction to operate on.
3795  * @param Handlers Memory address of an array to be filled with basic blocks.
3796  */
3797 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers);
3798 
3799 /* Funclets */
3800 
3801 /* Get the number of funcletpad arguments. */
3802 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i);
3803 
3804 /* Set a funcletpad argument at the given index. */
3805 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value);
3806 
3807 /**
3808  * Get the parent catchswitch instruction of a catchpad instruction.
3809  *
3810  * This only works on llvm::CatchPadInst instructions.
3811  *
3812  * @see llvm::CatchPadInst::getCatchSwitch()
3813  */
3814 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad);
3815 
3816 /**
3817  * Set the parent catchswitch instruction of a catchpad instruction.
3818  *
3819  * This only works on llvm::CatchPadInst instructions.
3820  *
3821  * @see llvm::CatchPadInst::setCatchSwitch()
3822  */
3823 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch);
3824 
3825 /* Arithmetic */
3826 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3827                           const char *Name);
3828 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3829                              const char *Name);
3830 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3831                              const char *Name);
3832 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3833                            const char *Name);
3834 LLVMValueRef LLVMBuildSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3835                           const char *Name);
3836 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3837                              const char *Name);
3838 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3839                              const char *Name);
3840 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3841                            const char *Name);
3842 LLVMValueRef LLVMBuildMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3843                           const char *Name);
3844 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3845                              const char *Name);
3846 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3847                              const char *Name);
3848 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3849                            const char *Name);
3850 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3851                            const char *Name);
3852 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3853                                 const char *Name);
3854 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3855                            const char *Name);
3856 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3857                                 const char *Name);
3858 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3859                            const char *Name);
3860 LLVMValueRef LLVMBuildURem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3861                            const char *Name);
3862 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3863                            const char *Name);
3864 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3865                            const char *Name);
3866 LLVMValueRef LLVMBuildShl(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3867                            const char *Name);
3868 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3869                            const char *Name);
3870 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3871                            const char *Name);
3872 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3873                           const char *Name);
3874 LLVMValueRef LLVMBuildOr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3875                           const char *Name);
3876 LLVMValueRef LLVMBuildXor(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
3877                           const char *Name);
3878 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
3879                             LLVMValueRef LHS, LLVMValueRef RHS,
3880                             const char *Name);
3881 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3882 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
3883                              const char *Name);
3884 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
3885                              const char *Name);
3886 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3887 LLVMValueRef LLVMBuildNot(LLVMBuilderRef, LLVMValueRef V, const char *Name);
3888 
3889 /* Memory */
3890 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3891 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef, LLVMTypeRef Ty,
3892                                   LLVMValueRef Val, const char *Name);
3893 
3894 /**
3895  * Creates and inserts a memset to the specified pointer and the
3896  * specified value.
3897  *
3898  * @see llvm::IRRBuilder::CreateMemSet()
3899  */
3900 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
3901                              LLVMValueRef Val, LLVMValueRef Len,
3902                              unsigned Align);
3903 /**
3904  * Creates and inserts a memcpy between the specified pointers.
3905  *
3906  * @see llvm::IRRBuilder::CreateMemCpy()
3907  */
3908 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
3909                              LLVMValueRef Dst, unsigned DstAlign,
3910                              LLVMValueRef Src, unsigned SrcAlign,
3911                              LLVMValueRef Size);
3912 /**
3913  * Creates and inserts a memmove between the specified pointers.
3914  *
3915  * @see llvm::IRRBuilder::CreateMemMove()
3916  */
3917 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
3918                               LLVMValueRef Dst, unsigned DstAlign,
3919                               LLVMValueRef Src, unsigned SrcAlign,
3920                               LLVMValueRef Size);
3921 
3922 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
3923 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef, LLVMTypeRef Ty,
3924                                   LLVMValueRef Val, const char *Name);
3925 LLVMValueRef LLVMBuildFree(LLVMBuilderRef, LLVMValueRef PointerVal);
3926 LLVM_ATTRIBUTE_C_DEPRECATED(
3927     LLVMValueRef LLVMBuildLoad(LLVMBuilderRef, LLVMValueRef PointerVal,
3928                                const char *Name),
3929     "Use LLVMBuildLoad2 instead to support opaque pointers");
3930 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef, LLVMTypeRef Ty,
3931                             LLVMValueRef PointerVal, const char *Name);
3932 LLVMValueRef LLVMBuildStore(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef Ptr);
3933 LLVM_ATTRIBUTE_C_DEPRECATED(
3934     LLVMValueRef LLVMBuildGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3935                               LLVMValueRef *Indices, unsigned NumIndices,
3936                               const char *Name),
3937     "Use LLVMBuildGEP2 instead to support opaque pointers");
3938 LLVM_ATTRIBUTE_C_DEPRECATED(
3939     LLVMValueRef LLVMBuildInBoundsGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3940                                       LLVMValueRef *Indices,
3941                                       unsigned NumIndices, const char *Name),
3942     "Use LLVMBuildInBoundsGEP2 instead to support opaque pointers");
3943 LLVM_ATTRIBUTE_C_DEPRECATED(
3944     LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
3945                                     unsigned Idx, const char *Name),
3946     "Use LLVMBuildStructGEP2 instead to support opaque pointers");
3947 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3948                            LLVMValueRef Pointer, LLVMValueRef *Indices,
3949                            unsigned NumIndices, const char *Name);
3950 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3951                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
3952                                    unsigned NumIndices, const char *Name);
3953 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
3954                                  LLVMValueRef Pointer, unsigned Idx,
3955                                  const char *Name);
3956 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
3957                                    const char *Name);
3958 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
3959                                       const char *Name);
3960 LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
3961 void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
3962 LLVMBool LLVMGetWeak(LLVMValueRef CmpXchgInst);
3963 void LLVMSetWeak(LLVMValueRef CmpXchgInst, LLVMBool IsWeak);
3964 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemoryAccessInst);
3965 void LLVMSetOrdering(LLVMValueRef MemoryAccessInst, LLVMAtomicOrdering Ordering);
3966 LLVMAtomicRMWBinOp LLVMGetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst);
3967 void LLVMSetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst, LLVMAtomicRMWBinOp BinOp);
3968 
3969 /* Casts */
3970 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,
3971                             LLVMTypeRef DestTy, const char *Name);
3972 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef, LLVMValueRef Val,
3973                            LLVMTypeRef DestTy, const char *Name);
3974 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef, LLVMValueRef Val,
3975                            LLVMTypeRef DestTy, const char *Name);
3976 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef, LLVMValueRef Val,
3977                              LLVMTypeRef DestTy, const char *Name);
3978 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef, LLVMValueRef Val,
3979                              LLVMTypeRef DestTy, const char *Name);
3980 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef, LLVMValueRef Val,
3981                              LLVMTypeRef DestTy, const char *Name);
3982 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef, LLVMValueRef Val,
3983                              LLVMTypeRef DestTy, const char *Name);
3984 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef, LLVMValueRef Val,
3985                               LLVMTypeRef DestTy, const char *Name);
3986 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef, LLVMValueRef Val,
3987                             LLVMTypeRef DestTy, const char *Name);
3988 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef, LLVMValueRef Val,
3989                                LLVMTypeRef DestTy, const char *Name);
3990 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef, LLVMValueRef Val,
3991                                LLVMTypeRef DestTy, const char *Name);
3992 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef, LLVMValueRef Val,
3993                               LLVMTypeRef DestTy, const char *Name);
3994 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef, LLVMValueRef Val,
3995                                     LLVMTypeRef DestTy, const char *Name);
3996 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3997                                     LLVMTypeRef DestTy, const char *Name);
3998 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
3999                                     LLVMTypeRef DestTy, const char *Name);
4000 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
4001                                      LLVMTypeRef DestTy, const char *Name);
4002 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
4003                            LLVMTypeRef DestTy, const char *Name);
4004 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
4005                                   LLVMTypeRef DestTy, const char *Name);
4006 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef, LLVMValueRef Val,
4007                                LLVMTypeRef DestTy, LLVMBool IsSigned,
4008                                const char *Name);
4009 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
4010                              LLVMTypeRef DestTy, const char *Name);
4011 
4012 /** Deprecated: This cast is always signed. Use LLVMBuildIntCast2 instead. */
4013 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
4014                               LLVMTypeRef DestTy, const char *Name);
4015 
4016 LLVMOpcode LLVMGetCastOpcode(LLVMValueRef Src, LLVMBool SrcIsSigned,
4017                              LLVMTypeRef DestTy, LLVMBool DestIsSigned);
4018 
4019 /* Comparisons */
4020 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
4021                            LLVMValueRef LHS, LLVMValueRef RHS,
4022                            const char *Name);
4023 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef, LLVMRealPredicate Op,
4024                            LLVMValueRef LHS, LLVMValueRef RHS,
4025                            const char *Name);
4026 
4027 /* Miscellaneous instructions */
4028 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
4029 LLVM_ATTRIBUTE_C_DEPRECATED(
4030     LLVMValueRef LLVMBuildCall(LLVMBuilderRef, LLVMValueRef Fn,
4031                                LLVMValueRef *Args, unsigned NumArgs,
4032                                const char *Name),
4033     "Use LLVMBuildCall2 instead to support opaque pointers");
4034 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef, LLVMTypeRef, LLVMValueRef Fn,
4035                             LLVMValueRef *Args, unsigned NumArgs,
4036                             const char *Name);
4037 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef, LLVMValueRef If,
4038                              LLVMValueRef Then, LLVMValueRef Else,
4039                              const char *Name);
4040 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef, LLVMValueRef List, LLVMTypeRef Ty,
4041                             const char *Name);
4042 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef, LLVMValueRef VecVal,
4043                                      LLVMValueRef Index, const char *Name);
4044 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef, LLVMValueRef VecVal,
4045                                     LLVMValueRef EltVal, LLVMValueRef Index,
4046                                     const char *Name);
4047 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef, LLVMValueRef V1,
4048                                     LLVMValueRef V2, LLVMValueRef Mask,
4049                                     const char *Name);
4050 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef, LLVMValueRef AggVal,
4051                                    unsigned Index, const char *Name);
4052 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef, LLVMValueRef AggVal,
4053                                   LLVMValueRef EltVal, unsigned Index,
4054                                   const char *Name);
4055 LLVMValueRef LLVMBuildFreeze(LLVMBuilderRef, LLVMValueRef Val,
4056                              const char *Name);
4057 
4058 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef, LLVMValueRef Val,
4059                              const char *Name);
4060 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef, LLVMValueRef Val,
4061                                 const char *Name);
4062 LLVM_ATTRIBUTE_C_DEPRECATED(
4063     LLVMValueRef LLVMBuildPtrDiff(LLVMBuilderRef, LLVMValueRef LHS,
4064                                   LLVMValueRef RHS, const char *Name),
4065     "Use LLVMBuildPtrDiff2 instead to support opaque pointers");
4066 LLVMValueRef LLVMBuildPtrDiff2(LLVMBuilderRef, LLVMTypeRef ElemTy,
4067                                LLVMValueRef LHS, LLVMValueRef RHS,
4068                                const char *Name);
4069 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering ordering,
4070                             LLVMBool singleThread, const char *Name);
4071 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B, LLVMAtomicRMWBinOp op,
4072                                 LLVMValueRef PTR, LLVMValueRef Val,
4073                                 LLVMAtomicOrdering ordering,
4074                                 LLVMBool singleThread);
4075 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
4076                                     LLVMValueRef Cmp, LLVMValueRef New,
4077                                     LLVMAtomicOrdering SuccessOrdering,
4078                                     LLVMAtomicOrdering FailureOrdering,
4079                                     LLVMBool SingleThread);
4080 
4081 /**
4082  * Get the number of elements in the mask of a ShuffleVector instruction.
4083  */
4084 unsigned LLVMGetNumMaskElements(LLVMValueRef ShuffleVectorInst);
4085 
4086 /**
4087  * \returns a constant that specifies that the result of a \c ShuffleVectorInst
4088  * is undefined.
4089  */
4090 int LLVMGetUndefMaskElem(void);
4091 
4092 /**
4093  * Get the mask value at position Elt in the mask of a ShuffleVector
4094  * instruction.
4095  *
4096  * \Returns the result of \c LLVMGetUndefMaskElem() if the mask value is undef
4097  * at that position.
4098  */
4099 int LLVMGetMaskValue(LLVMValueRef ShuffleVectorInst, unsigned Elt);
4100 
4101 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst);
4102 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread);
4103 
4104 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst);
4105 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
4106                                    LLVMAtomicOrdering Ordering);
4107 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst);
4108 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
4109                                    LLVMAtomicOrdering Ordering);
4110 
4111 /**
4112  * @}
4113  */
4114 
4115 /**
4116  * @defgroup LLVMCCoreModuleProvider Module Providers
4117  *
4118  * @{
4119  */
4120 
4121 /**
4122  * Changes the type of M so it can be passed to FunctionPassManagers and the
4123  * JIT.  They take ModuleProviders for historical reasons.
4124  */
4125 LLVMModuleProviderRef
4126 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M);
4127 
4128 /**
4129  * Destroys the module M.
4130  */
4131 void LLVMDisposeModuleProvider(LLVMModuleProviderRef M);
4132 
4133 /**
4134  * @}
4135  */
4136 
4137 /**
4138  * @defgroup LLVMCCoreMemoryBuffers Memory Buffers
4139  *
4140  * @{
4141  */
4142 
4143 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(const char *Path,
4144                                                   LLVMMemoryBufferRef *OutMemBuf,
4145                                                   char **OutMessage);
4146 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
4147                                          char **OutMessage);
4148 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
4149                                                           size_t InputDataLength,
4150                                                           const char *BufferName,
4151                                                           LLVMBool RequiresNullTerminator);
4152 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
4153                                                               size_t InputDataLength,
4154                                                               const char *BufferName);
4155 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
4156 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf);
4157 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
4158 
4159 /**
4160  * @}
4161  */
4162 
4163 /**
4164  * @defgroup LLVMCCorePassRegistry Pass Registry
4165  * @ingroup LLVMCCore
4166  *
4167  * @{
4168  */
4169 
4170 /** Return the global pass registry, for use with initialization functions.
4171     @see llvm::PassRegistry::getPassRegistry */
4172 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void);
4173 
4174 /**
4175  * @}
4176  */
4177 
4178 /**
4179  * @defgroup LLVMCCorePassManagers Pass Managers
4180  * @ingroup LLVMCCore
4181  *
4182  * @{
4183  */
4184 
4185 /** Constructs a new whole-module pass pipeline. This type of pipeline is
4186     suitable for link-time optimization and whole-module transformations.
4187     @see llvm::PassManager::PassManager */
4188 LLVMPassManagerRef LLVMCreatePassManager(void);
4189 
4190 /** Constructs a new function-by-function pass pipeline over the module
4191     provider. It does not take ownership of the module provider. This type of
4192     pipeline is suitable for code generation and JIT compilation tasks.
4193     @see llvm::FunctionPassManager::FunctionPassManager */
4194 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M);
4195 
4196 /** Deprecated: Use LLVMCreateFunctionPassManagerForModule instead. */
4197 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef MP);
4198 
4199 /** Initializes, executes on the provided module, and finalizes all of the
4200     passes scheduled in the pass manager. Returns 1 if any of the passes
4201     modified the module, 0 otherwise.
4202     @see llvm::PassManager::run(Module&) */
4203 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M);
4204 
4205 /** Initializes all of the function passes scheduled in the function pass
4206     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4207     @see llvm::FunctionPassManager::doInitialization */
4208 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM);
4209 
4210 /** Executes all of the function passes scheduled in the function pass manager
4211     on the provided function. Returns 1 if any of the passes modified the
4212     function, false otherwise.
4213     @see llvm::FunctionPassManager::run(Function&) */
4214 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F);
4215 
4216 /** Finalizes all of the function passes scheduled in the function pass
4217     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4218     @see llvm::FunctionPassManager::doFinalization */
4219 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM);
4220 
4221 /** Frees the memory of a pass pipeline. For function pipelines, does not free
4222     the module provider.
4223     @see llvm::PassManagerBase::~PassManagerBase. */
4224 void LLVMDisposePassManager(LLVMPassManagerRef PM);
4225 
4226 /**
4227  * @}
4228  */
4229 
4230 /**
4231  * @defgroup LLVMCCoreThreading Threading
4232  *
4233  * Handle the structures needed to make LLVM safe for multithreading.
4234  *
4235  * @{
4236  */
4237 
4238 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4239     time define LLVM_ENABLE_THREADS.  This function always returns
4240     LLVMIsMultithreaded(). */
4241 LLVMBool LLVMStartMultithreaded(void);
4242 
4243 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4244     time define LLVM_ENABLE_THREADS. */
4245 void LLVMStopMultithreaded(void);
4246 
4247 /** Check whether LLVM is executing in thread-safe mode or not.
4248     @see llvm::llvm_is_multithreaded */
4249 LLVMBool LLVMIsMultithreaded(void);
4250 
4251 /**
4252  * @}
4253  */
4254 
4255 /**
4256  * @}
4257  */
4258 
4259 /**
4260  * @}
4261  */
4262 
4263 LLVM_C_EXTERN_C_END
4264 
4265 #endif /* LLVM_C_CORE_H */
4266