1 /*===-- llvm-c/Core.h - Core Library C Interface ------------------*- C -*-===*\
2 |*                                                                            *|
3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
4 |* Exceptions.                                                                *|
5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
7 |*                                                                            *|
8 |*===----------------------------------------------------------------------===*|
9 |*                                                                            *|
10 |* This header declares the C interface to libLLVMCore.a, which implements    *|
11 |* the LLVM intermediate representation.                                      *|
12 |*                                                                            *|
13 \*===----------------------------------------------------------------------===*/
14 
15 #ifndef LLVM_C_CORE_H
16 #define LLVM_C_CORE_H
17 
18 #include "llvm-c/Deprecated.h"
19 #include "llvm-c/ErrorHandling.h"
20 #include "llvm-c/ExternC.h"
21 
22 #include "llvm-c/Types.h"
23 
24 LLVM_C_EXTERN_C_BEGIN
25 
26 /**
27  * @defgroup LLVMC LLVM-C: C interface to LLVM
28  *
29  * This module exposes parts of the LLVM library as a C API.
30  *
31  * @{
32  */
33 
34 /**
35  * @defgroup LLVMCTransforms Transforms
36  */
37 
38 /**
39  * @defgroup LLVMCCore Core
40  *
41  * This modules provide an interface to libLLVMCore, which implements
42  * the LLVM intermediate representation as well as other related types
43  * and utilities.
44  *
45  * Many exotic languages can interoperate with C code but have a harder time
46  * with C++ due to name mangling. So in addition to C, this interface enables
47  * tools written in such languages.
48  *
49  * @{
50  */
51 
52 /**
53  * @defgroup LLVMCCoreTypes Types and Enumerations
54  *
55  * @{
56  */
57 
58 /// External users depend on the following values being stable. It is not safe
59 /// to reorder them.
60 typedef enum {
61   /* Terminator Instructions */
62   LLVMRet            = 1,
63   LLVMBr             = 2,
64   LLVMSwitch         = 3,
65   LLVMIndirectBr     = 4,
66   LLVMInvoke         = 5,
67   /* removed 6 due to API changes */
68   LLVMUnreachable    = 7,
69   LLVMCallBr         = 67,
70 
71   /* Standard Unary Operators */
72   LLVMFNeg           = 66,
73 
74   /* Standard Binary Operators */
75   LLVMAdd            = 8,
76   LLVMFAdd           = 9,
77   LLVMSub            = 10,
78   LLVMFSub           = 11,
79   LLVMMul            = 12,
80   LLVMFMul           = 13,
81   LLVMUDiv           = 14,
82   LLVMSDiv           = 15,
83   LLVMFDiv           = 16,
84   LLVMURem           = 17,
85   LLVMSRem           = 18,
86   LLVMFRem           = 19,
87 
88   /* Logical Operators */
89   LLVMShl            = 20,
90   LLVMLShr           = 21,
91   LLVMAShr           = 22,
92   LLVMAnd            = 23,
93   LLVMOr             = 24,
94   LLVMXor            = 25,
95 
96   /* Memory Operators */
97   LLVMAlloca         = 26,
98   LLVMLoad           = 27,
99   LLVMStore          = 28,
100   LLVMGetElementPtr  = 29,
101 
102   /* Cast Operators */
103   LLVMTrunc          = 30,
104   LLVMZExt           = 31,
105   LLVMSExt           = 32,
106   LLVMFPToUI         = 33,
107   LLVMFPToSI         = 34,
108   LLVMUIToFP         = 35,
109   LLVMSIToFP         = 36,
110   LLVMFPTrunc        = 37,
111   LLVMFPExt          = 38,
112   LLVMPtrToInt       = 39,
113   LLVMIntToPtr       = 40,
114   LLVMBitCast        = 41,
115   LLVMAddrSpaceCast  = 60,
116 
117   /* Other Operators */
118   LLVMICmp           = 42,
119   LLVMFCmp           = 43,
120   LLVMPHI            = 44,
121   LLVMCall           = 45,
122   LLVMSelect         = 46,
123   LLVMUserOp1        = 47,
124   LLVMUserOp2        = 48,
125   LLVMVAArg          = 49,
126   LLVMExtractElement = 50,
127   LLVMInsertElement  = 51,
128   LLVMShuffleVector  = 52,
129   LLVMExtractValue   = 53,
130   LLVMInsertValue    = 54,
131   LLVMFreeze         = 68,
132 
133   /* Atomic operators */
134   LLVMFence          = 55,
135   LLVMAtomicCmpXchg  = 56,
136   LLVMAtomicRMW      = 57,
137 
138   /* Exception Handling Operators */
139   LLVMResume         = 58,
140   LLVMLandingPad     = 59,
141   LLVMCleanupRet     = 61,
142   LLVMCatchRet       = 62,
143   LLVMCatchPad       = 63,
144   LLVMCleanupPad     = 64,
145   LLVMCatchSwitch    = 65
146 } LLVMOpcode;
147 
148 typedef enum {
149   LLVMVoidTypeKind,      /**< type with no size */
150   LLVMHalfTypeKind,      /**< 16 bit floating point type */
151   LLVMFloatTypeKind,     /**< 32 bit floating point type */
152   LLVMDoubleTypeKind,    /**< 64 bit floating point type */
153   LLVMX86_FP80TypeKind,  /**< 80 bit floating point type (X87) */
154   LLVMFP128TypeKind,     /**< 128 bit floating point type (112-bit mantissa)*/
155   LLVMPPC_FP128TypeKind, /**< 128 bit floating point type (two 64-bits) */
156   LLVMLabelTypeKind,     /**< Labels */
157   LLVMIntegerTypeKind,   /**< Arbitrary bit width integers */
158   LLVMFunctionTypeKind,  /**< Functions */
159   LLVMStructTypeKind,    /**< Structures */
160   LLVMArrayTypeKind,     /**< Arrays */
161   LLVMPointerTypeKind,   /**< Pointers */
162   LLVMVectorTypeKind,    /**< Fixed width SIMD vector type */
163   LLVMMetadataTypeKind,  /**< Metadata */
164   LLVMX86_MMXTypeKind,   /**< X86 MMX */
165   LLVMTokenTypeKind,     /**< Tokens */
166   LLVMScalableVectorTypeKind, /**< Scalable SIMD vector type */
167   LLVMBFloatTypeKind,    /**< 16 bit brain floating point type */
168   LLVMX86_AMXTypeKind,   /**< X86 AMX */
169   LLVMTargetExtTypeKind, /**< Target extension type */
170 } LLVMTypeKind;
171 
172 typedef enum {
173   LLVMExternalLinkage,    /**< Externally visible function */
174   LLVMAvailableExternallyLinkage,
175   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
176   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something
177                             equivalent. */
178   LLVMLinkOnceODRAutoHideLinkage, /**< Obsolete */
179   LLVMWeakAnyLinkage,     /**< Keep one copy of function when linking (weak) */
180   LLVMWeakODRLinkage,     /**< Same, but only replaced by something
181                             equivalent. */
182   LLVMAppendingLinkage,   /**< Special purpose, only applies to global arrays */
183   LLVMInternalLinkage,    /**< Rename collisions when linking (static
184                                functions) */
185   LLVMPrivateLinkage,     /**< Like Internal, but omit from symbol table */
186   LLVMDLLImportLinkage,   /**< Obsolete */
187   LLVMDLLExportLinkage,   /**< Obsolete */
188   LLVMExternalWeakLinkage,/**< ExternalWeak linkage description */
189   LLVMGhostLinkage,       /**< Obsolete */
190   LLVMCommonLinkage,      /**< Tentative definitions */
191   LLVMLinkerPrivateLinkage, /**< Like Private, but linker removes. */
192   LLVMLinkerPrivateWeakLinkage /**< Like LinkerPrivate, but is weak. */
193 } LLVMLinkage;
194 
195 typedef enum {
196   LLVMDefaultVisibility,  /**< The GV is visible */
197   LLVMHiddenVisibility,   /**< The GV is hidden */
198   LLVMProtectedVisibility /**< The GV is protected */
199 } LLVMVisibility;
200 
201 typedef enum {
202   LLVMNoUnnamedAddr,    /**< Address of the GV is significant. */
203   LLVMLocalUnnamedAddr, /**< Address of the GV is locally insignificant. */
204   LLVMGlobalUnnamedAddr /**< Address of the GV is globally insignificant. */
205 } LLVMUnnamedAddr;
206 
207 typedef enum {
208   LLVMDefaultStorageClass   = 0,
209   LLVMDLLImportStorageClass = 1, /**< Function to be imported from DLL. */
210   LLVMDLLExportStorageClass = 2  /**< Function to be accessible from DLL. */
211 } LLVMDLLStorageClass;
212 
213 typedef enum {
214   LLVMCCallConv             = 0,
215   LLVMFastCallConv          = 8,
216   LLVMColdCallConv          = 9,
217   LLVMGHCCallConv           = 10,
218   LLVMHiPECallConv          = 11,
219   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   LLVMConstantTargetNoneValueKind,
289 } LLVMValueKind;
290 
291 typedef enum {
292   LLVMIntEQ = 32, /**< equal */
293   LLVMIntNE,      /**< not equal */
294   LLVMIntUGT,     /**< unsigned greater than */
295   LLVMIntUGE,     /**< unsigned greater or equal */
296   LLVMIntULT,     /**< unsigned less than */
297   LLVMIntULE,     /**< unsigned less or equal */
298   LLVMIntSGT,     /**< signed greater than */
299   LLVMIntSGE,     /**< signed greater or equal */
300   LLVMIntSLT,     /**< signed less than */
301   LLVMIntSLE      /**< signed less or equal */
302 } LLVMIntPredicate;
303 
304 typedef enum {
305   LLVMRealPredicateFalse, /**< Always false (always folded) */
306   LLVMRealOEQ,            /**< True if ordered and equal */
307   LLVMRealOGT,            /**< True if ordered and greater than */
308   LLVMRealOGE,            /**< True if ordered and greater than or equal */
309   LLVMRealOLT,            /**< True if ordered and less than */
310   LLVMRealOLE,            /**< True if ordered and less than or equal */
311   LLVMRealONE,            /**< True if ordered and operands are unequal */
312   LLVMRealORD,            /**< True if ordered (no nans) */
313   LLVMRealUNO,            /**< True if unordered: isnan(X) | isnan(Y) */
314   LLVMRealUEQ,            /**< True if unordered or equal */
315   LLVMRealUGT,            /**< True if unordered or greater than */
316   LLVMRealUGE,            /**< True if unordered, greater than, or equal */
317   LLVMRealULT,            /**< True if unordered or less than */
318   LLVMRealULE,            /**< True if unordered, less than, or equal */
319   LLVMRealUNE,            /**< True if unordered or not equal */
320   LLVMRealPredicateTrue   /**< Always true (always folded) */
321 } LLVMRealPredicate;
322 
323 typedef enum {
324   LLVMLandingPadCatch,    /**< A catch clause   */
325   LLVMLandingPadFilter    /**< A filter clause  */
326 } LLVMLandingPadClauseTy;
327 
328 typedef enum {
329   LLVMNotThreadLocal = 0,
330   LLVMGeneralDynamicTLSModel,
331   LLVMLocalDynamicTLSModel,
332   LLVMInitialExecTLSModel,
333   LLVMLocalExecTLSModel
334 } LLVMThreadLocalMode;
335 
336 typedef enum {
337   LLVMAtomicOrderingNotAtomic = 0, /**< A load or store which is not atomic */
338   LLVMAtomicOrderingUnordered = 1, /**< Lowest level of atomicity, guarantees
339                                      somewhat sane results, lock free. */
340   LLVMAtomicOrderingMonotonic = 2, /**< guarantees that if you take all the
341                                      operations affecting a specific address,
342                                      a consistent ordering exists */
343   LLVMAtomicOrderingAcquire = 4, /**< Acquire provides a barrier of the sort
344                                    necessary to acquire a lock to access other
345                                    memory with normal loads and stores. */
346   LLVMAtomicOrderingRelease = 5, /**< Release is similar to Acquire, but with
347                                    a barrier of the sort necessary to release
348                                    a lock. */
349   LLVMAtomicOrderingAcquireRelease = 6, /**< provides both an Acquire and a
350                                           Release barrier (for fences and
351                                           operations which both read and write
352                                            memory). */
353   LLVMAtomicOrderingSequentiallyConsistent = 7 /**< provides Acquire semantics
354                                                  for loads and Release
355                                                  semantics for stores.
356                                                  Additionally, it guarantees
357                                                  that a total ordering exists
358                                                  between all
359                                                  SequentiallyConsistent
360                                                  operations. */
361 } LLVMAtomicOrdering;
362 
363 typedef enum {
364     LLVMAtomicRMWBinOpXchg, /**< Set the new value and return the one old */
365     LLVMAtomicRMWBinOpAdd, /**< Add a value and return the old one */
366     LLVMAtomicRMWBinOpSub, /**< Subtract a value and return the old one */
367     LLVMAtomicRMWBinOpAnd, /**< And a value and return the old one */
368     LLVMAtomicRMWBinOpNand, /**< Not-And a value and return the old one */
369     LLVMAtomicRMWBinOpOr, /**< OR a value and return the old one */
370     LLVMAtomicRMWBinOpXor, /**< Xor a value and return the old one */
371     LLVMAtomicRMWBinOpMax, /**< Sets the value if it's greater than the
372                              original using a signed comparison and return
373                              the old one */
374     LLVMAtomicRMWBinOpMin, /**< Sets the value if it's Smaller than the
375                              original using a signed comparison and return
376                              the old one */
377     LLVMAtomicRMWBinOpUMax, /**< Sets the value if it's greater than the
378                              original using an unsigned comparison and return
379                              the old one */
380     LLVMAtomicRMWBinOpUMin, /**< Sets the value if it's greater than the
381                               original using an unsigned comparison and return
382                               the old one */
383     LLVMAtomicRMWBinOpFAdd, /**< Add a floating point value and return the
384                               old one */
385     LLVMAtomicRMWBinOpFSub, /**< Subtract a floating point value and return the
386                             old one */
387     LLVMAtomicRMWBinOpFMax, /**< Sets the value if it's greater than the
388                              original using an floating point comparison and
389                              return the old one */
390     LLVMAtomicRMWBinOpFMin, /**< Sets the value if it's smaller than the
391                              original using an floating point comparison and
392                              return the old one */
393 } LLVMAtomicRMWBinOp;
394 
395 typedef enum {
396     LLVMDSError,
397     LLVMDSWarning,
398     LLVMDSRemark,
399     LLVMDSNote
400 } LLVMDiagnosticSeverity;
401 
402 typedef enum {
403   LLVMInlineAsmDialectATT,
404   LLVMInlineAsmDialectIntel
405 } LLVMInlineAsmDialect;
406 
407 typedef enum {
408   /**
409    * Emits an error if two values disagree, otherwise the resulting value is
410    * that of the operands.
411    *
412    * @see Module::ModFlagBehavior::Error
413    */
414   LLVMModuleFlagBehaviorError,
415   /**
416    * Emits a warning if two values disagree. The result value will be the
417    * operand for the flag from the first module being linked.
418    *
419    * @see Module::ModFlagBehavior::Warning
420    */
421   LLVMModuleFlagBehaviorWarning,
422   /**
423    * Adds a requirement that another module flag be present and have a
424    * specified value after linking is performed. The value must be a metadata
425    * pair, where the first element of the pair is the ID of the module flag
426    * to be restricted, and the second element of the pair is the value the
427    * module flag should be restricted to. This behavior can be used to
428    * restrict the allowable results (via triggering of an error) of linking
429    * IDs with the **Override** behavior.
430    *
431    * @see Module::ModFlagBehavior::Require
432    */
433   LLVMModuleFlagBehaviorRequire,
434   /**
435    * Uses the specified value, regardless of the behavior or value of the
436    * other module. If both modules specify **Override**, but the values
437    * differ, an error will be emitted.
438    *
439    * @see Module::ModFlagBehavior::Override
440    */
441   LLVMModuleFlagBehaviorOverride,
442   /**
443    * Appends the two values, which are required to be metadata nodes.
444    *
445    * @see Module::ModFlagBehavior::Append
446    */
447   LLVMModuleFlagBehaviorAppend,
448   /**
449    * Appends the two values, which are required to be metadata
450    * nodes. However, duplicate entries in the second list are dropped
451    * during the append operation.
452    *
453    * @see Module::ModFlagBehavior::AppendUnique
454    */
455   LLVMModuleFlagBehaviorAppendUnique,
456 } LLVMModuleFlagBehavior;
457 
458 /**
459  * Attribute index are either LLVMAttributeReturnIndex,
460  * LLVMAttributeFunctionIndex or a parameter number from 1 to N.
461  */
462 enum {
463   LLVMAttributeReturnIndex = 0U,
464   // ISO C restricts enumerator values to range of 'int'
465   // (4294967295 is too large)
466   // LLVMAttributeFunctionIndex = ~0U,
467   LLVMAttributeFunctionIndex = -1,
468 };
469 
470 /**
471  * Tail call kind for LLVMSetTailCallKind and LLVMGetTailCallKind.
472  *
473  * Note that 'musttail' implies 'tail'.
474  *
475  * @see CallInst::TailCallKind
476  */
477 typedef enum {
478   LLVMTailCallKindNone = 0,
479   LLVMTailCallKindTail = 1,
480   LLVMTailCallKindMustTail = 2,
481   LLVMTailCallKindNoTail = 3,
482 } LLVMTailCallKind;
483 
484 typedef unsigned LLVMAttributeIndex;
485 
486 enum {
487   LLVMFastMathAllowReassoc = (1 << 0),
488   LLVMFastMathNoNaNs = (1 << 1),
489   LLVMFastMathNoInfs = (1 << 2),
490   LLVMFastMathNoSignedZeros = (1 << 3),
491   LLVMFastMathAllowReciprocal = (1 << 4),
492   LLVMFastMathAllowContract = (1 << 5),
493   LLVMFastMathApproxFunc = (1 << 6),
494   LLVMFastMathNone = 0,
495   LLVMFastMathAll = LLVMFastMathAllowReassoc | LLVMFastMathNoNaNs |
496                     LLVMFastMathNoInfs | LLVMFastMathNoSignedZeros |
497                     LLVMFastMathAllowReciprocal | LLVMFastMathAllowContract |
498                     LLVMFastMathApproxFunc,
499 };
500 
501 /**
502  * Flags to indicate what fast-math-style optimizations are allowed
503  * on operations.
504  *
505  * See https://llvm.org/docs/LangRef.html#fast-math-flags
506  */
507 typedef unsigned LLVMFastMathFlags;
508 
509 /**
510  * @}
511  */
512 
513 /** Deallocate and destroy all ManagedStatic variables.
514     @see llvm::llvm_shutdown
515     @see ManagedStatic */
516 void LLVMShutdown(void);
517 
518 /*===-- Version query -----------------------------------------------------===*/
519 
520 /**
521  * Return the major, minor, and patch version of LLVM
522  *
523  * The version components are returned via the function's three output
524  * parameters or skipped if a NULL pointer was supplied.
525  */
526 void LLVMGetVersion(unsigned *Major, unsigned *Minor, unsigned *Patch);
527 
528 /*===-- Error handling ----------------------------------------------------===*/
529 
530 char *LLVMCreateMessage(const char *Message);
531 void LLVMDisposeMessage(char *Message);
532 
533 /**
534  * @defgroup LLVMCCoreContext Contexts
535  *
536  * Contexts are execution states for the core LLVM IR system.
537  *
538  * Most types are tied to a context instance. Multiple contexts can
539  * exist simultaneously. A single context is not thread safe. However,
540  * different contexts can execute on different threads simultaneously.
541  *
542  * @{
543  */
544 
545 typedef void (*LLVMDiagnosticHandler)(LLVMDiagnosticInfoRef, void *);
546 typedef void (*LLVMYieldCallback)(LLVMContextRef, void *);
547 
548 /**
549  * Create a new context.
550  *
551  * Every call to this function should be paired with a call to
552  * LLVMContextDispose() or the context will leak memory.
553  */
554 LLVMContextRef LLVMContextCreate(void);
555 
556 /**
557  * Obtain the global context instance.
558  */
559 LLVMContextRef LLVMGetGlobalContext(void);
560 
561 /**
562  * Set the diagnostic handler for this context.
563  */
564 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
565                                      LLVMDiagnosticHandler Handler,
566                                      void *DiagnosticContext);
567 
568 /**
569  * Get the diagnostic handler of this context.
570  */
571 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C);
572 
573 /**
574  * Get the diagnostic context of this context.
575  */
576 void *LLVMContextGetDiagnosticContext(LLVMContextRef C);
577 
578 /**
579  * Set the yield callback function for this context.
580  *
581  * @see LLVMContext::setYieldCallback()
582  */
583 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
584                                  void *OpaqueHandle);
585 
586 /**
587  * Retrieve whether the given context is set to discard all value names.
588  *
589  * @see LLVMContext::shouldDiscardValueNames()
590  */
591 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C);
592 
593 /**
594  * Set whether the given context discards all value names.
595  *
596  * If true, only the names of GlobalValue objects will be available in the IR.
597  * This can be used to save memory and runtime, especially in release mode.
598  *
599  * @see LLVMContext::setDiscardValueNames()
600  */
601 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard);
602 
603 /**
604  * Destroy a context instance.
605  *
606  * This should be called for every call to LLVMContextCreate() or memory
607  * will be leaked.
608  */
609 void LLVMContextDispose(LLVMContextRef C);
610 
611 /**
612  * Return a string representation of the DiagnosticInfo. Use
613  * LLVMDisposeMessage to free the string.
614  *
615  * @see DiagnosticInfo::print()
616  */
617 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI);
618 
619 /**
620  * Return an enum LLVMDiagnosticSeverity.
621  *
622  * @see DiagnosticInfo::getSeverity()
623  */
624 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI);
625 
626 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
627                                   unsigned SLen);
628 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen);
629 
630 /**
631  * Return an unique id given the name of a enum attribute,
632  * or 0 if no attribute by that name exists.
633  *
634  * See http://llvm.org/docs/LangRef.html#parameter-attributes
635  * and http://llvm.org/docs/LangRef.html#function-attributes
636  * for the list of available attributes.
637  *
638  * NB: Attribute names and/or id are subject to change without
639  * going through the C API deprecation cycle.
640  */
641 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen);
642 unsigned LLVMGetLastEnumAttributeKind(void);
643 
644 /**
645  * Create an enum attribute.
646  */
647 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
648                                          uint64_t Val);
649 
650 /**
651  * Get the unique id corresponding to the enum attribute
652  * passed as argument.
653  */
654 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A);
655 
656 /**
657  * Get the enum attribute's value. 0 is returned if none exists.
658  */
659 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A);
660 
661 /**
662  * Create a type attribute
663  */
664 LLVMAttributeRef LLVMCreateTypeAttribute(LLVMContextRef C, unsigned KindID,
665                                          LLVMTypeRef type_ref);
666 
667 /**
668  * Get the type attribute's value.
669  */
670 LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A);
671 
672 /**
673  * Create a string attribute.
674  */
675 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
676                                            const char *K, unsigned KLength,
677                                            const char *V, unsigned VLength);
678 
679 /**
680  * Get the string attribute's kind.
681  */
682 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A, unsigned *Length);
683 
684 /**
685  * Get the string attribute's value.
686  */
687 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A, unsigned *Length);
688 
689 /**
690  * Check for the different types of attributes.
691  */
692 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A);
693 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A);
694 LLVMBool LLVMIsTypeAttribute(LLVMAttributeRef A);
695 
696 /**
697  * Obtain a Type from a context by its registered name.
698  */
699 LLVMTypeRef LLVMGetTypeByName2(LLVMContextRef C, const char *Name);
700 
701 /**
702  * @}
703  */
704 
705 /**
706  * @defgroup LLVMCCoreModule Modules
707  *
708  * Modules represent the top-level structure in an LLVM program. An LLVM
709  * module is effectively a translation unit or a collection of
710  * translation units merged together.
711  *
712  * @{
713  */
714 
715 /**
716  * Create a new, empty module in the global context.
717  *
718  * This is equivalent to calling LLVMModuleCreateWithNameInContext with
719  * LLVMGetGlobalContext() as the context parameter.
720  *
721  * Every invocation should be paired with LLVMDisposeModule() or memory
722  * will be leaked.
723  */
724 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID);
725 
726 /**
727  * Create a new, empty module in a specific context.
728  *
729  * Every invocation should be paired with LLVMDisposeModule() or memory
730  * will be leaked.
731  */
732 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
733                                                 LLVMContextRef C);
734 /**
735  * Return an exact copy of the specified module.
736  */
737 LLVMModuleRef LLVMCloneModule(LLVMModuleRef M);
738 
739 /**
740  * Destroy a module instance.
741  *
742  * This must be called for every created module or memory will be
743  * leaked.
744  */
745 void LLVMDisposeModule(LLVMModuleRef M);
746 
747 /**
748  * Obtain the identifier of a module.
749  *
750  * @param M Module to obtain identifier of
751  * @param Len Out parameter which holds the length of the returned string.
752  * @return The identifier of M.
753  * @see Module::getModuleIdentifier()
754  */
755 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len);
756 
757 /**
758  * Set the identifier of a module to a string Ident with length Len.
759  *
760  * @param M The module to set identifier
761  * @param Ident The string to set M's identifier to
762  * @param Len Length of Ident
763  * @see Module::setModuleIdentifier()
764  */
765 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len);
766 
767 /**
768  * Obtain the module's original source file name.
769  *
770  * @param M Module to obtain the name of
771  * @param Len Out parameter which holds the length of the returned string
772  * @return The original source file name of M
773  * @see Module::getSourceFileName()
774  */
775 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len);
776 
777 /**
778  * Set the original source file name of a module to a string Name with length
779  * Len.
780  *
781  * @param M The module to set the source file name of
782  * @param Name The string to set M's source file name to
783  * @param Len Length of Name
784  * @see Module::setSourceFileName()
785  */
786 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len);
787 
788 /**
789  * Obtain the data layout for a module.
790  *
791  * @see Module::getDataLayoutStr()
792  *
793  * LLVMGetDataLayout is DEPRECATED, as the name is not only incorrect,
794  * but match the name of another method on the module. Prefer the use
795  * of LLVMGetDataLayoutStr, which is not ambiguous.
796  */
797 const char *LLVMGetDataLayoutStr(LLVMModuleRef M);
798 const char *LLVMGetDataLayout(LLVMModuleRef M);
799 
800 /**
801  * Set the data layout for a module.
802  *
803  * @see Module::setDataLayout()
804  */
805 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr);
806 
807 /**
808  * Obtain the target triple for a module.
809  *
810  * @see Module::getTargetTriple()
811  */
812 const char *LLVMGetTarget(LLVMModuleRef M);
813 
814 /**
815  * Set the target triple for a module.
816  *
817  * @see Module::setTargetTriple()
818  */
819 void LLVMSetTarget(LLVMModuleRef M, const char *Triple);
820 
821 /**
822  * Returns the module flags as an array of flag-key-value triples.  The caller
823  * is responsible for freeing this array by calling
824  * \c LLVMDisposeModuleFlagsMetadata.
825  *
826  * @see Module::getModuleFlagsMetadata()
827  */
828 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len);
829 
830 /**
831  * Destroys module flags metadata entries.
832  */
833 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries);
834 
835 /**
836  * Returns the flag behavior for a module flag entry at a specific index.
837  *
838  * @see Module::ModuleFlagEntry::Behavior
839  */
840 LLVMModuleFlagBehavior
841 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
842                                      unsigned Index);
843 
844 /**
845  * Returns the key for a module flag entry at a specific index.
846  *
847  * @see Module::ModuleFlagEntry::Key
848  */
849 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
850                                         unsigned Index, size_t *Len);
851 
852 /**
853  * Returns the metadata for a module flag entry at a specific index.
854  *
855  * @see Module::ModuleFlagEntry::Val
856  */
857 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
858                                                  unsigned Index);
859 
860 /**
861  * Add a module-level flag to the module-level flags metadata if it doesn't
862  * already exist.
863  *
864  * @see Module::getModuleFlag()
865  */
866 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
867                                   const char *Key, size_t KeyLen);
868 
869 /**
870  * Add a module-level flag to the module-level flags metadata if it doesn't
871  * already exist.
872  *
873  * @see Module::addModuleFlag()
874  */
875 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
876                        const char *Key, size_t KeyLen,
877                        LLVMMetadataRef Val);
878 
879 /**
880  * Dump a representation of a module to stderr.
881  *
882  * @see Module::dump()
883  */
884 void LLVMDumpModule(LLVMModuleRef M);
885 
886 /**
887  * Print a representation of a module to a file. The ErrorMessage needs to be
888  * disposed with LLVMDisposeMessage. Returns 0 on success, 1 otherwise.
889  *
890  * @see Module::print()
891  */
892 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
893                                char **ErrorMessage);
894 
895 /**
896  * Return a string representation of the module. Use
897  * LLVMDisposeMessage to free the string.
898  *
899  * @see Module::print()
900  */
901 char *LLVMPrintModuleToString(LLVMModuleRef M);
902 
903 /**
904  * Get inline assembly for a module.
905  *
906  * @see Module::getModuleInlineAsm()
907  */
908 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len);
909 
910 /**
911  * Set inline assembly for a module.
912  *
913  * @see Module::setModuleInlineAsm()
914  */
915 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len);
916 
917 /**
918  * Append inline assembly to a module.
919  *
920  * @see Module::appendModuleInlineAsm()
921  */
922 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len);
923 
924 /**
925  * Create the specified uniqued inline asm string.
926  *
927  * @see InlineAsm::get()
928  */
929 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty, const char *AsmString,
930                               size_t AsmStringSize, const char *Constraints,
931                               size_t ConstraintsSize, LLVMBool HasSideEffects,
932                               LLVMBool IsAlignStack,
933                               LLVMInlineAsmDialect Dialect, LLVMBool CanThrow);
934 
935 /**
936  * Get the template string used for an inline assembly snippet
937  *
938  */
939 const char *LLVMGetInlineAsmAsmString(LLVMValueRef InlineAsmVal, size_t *Len);
940 
941 /**
942  * Get the raw constraint string for an inline assembly snippet
943  *
944  */
945 const char *LLVMGetInlineAsmConstraintString(LLVMValueRef InlineAsmVal,
946                                              size_t *Len);
947 
948 /**
949  * Get the dialect used by the inline asm snippet
950  *
951  */
952 LLVMInlineAsmDialect LLVMGetInlineAsmDialect(LLVMValueRef InlineAsmVal);
953 
954 /**
955  * Get the function type of the inline assembly snippet. The same type that
956  * was passed into LLVMGetInlineAsm originally
957  *
958  * @see LLVMGetInlineAsm
959  *
960  */
961 LLVMTypeRef LLVMGetInlineAsmFunctionType(LLVMValueRef InlineAsmVal);
962 
963 /**
964  * Get if the inline asm snippet has side effects
965  *
966  */
967 LLVMBool LLVMGetInlineAsmHasSideEffects(LLVMValueRef InlineAsmVal);
968 
969 /**
970  * Get if the inline asm snippet needs an aligned stack
971  *
972  */
973 LLVMBool LLVMGetInlineAsmNeedsAlignedStack(LLVMValueRef InlineAsmVal);
974 
975 /**
976  * Get if the inline asm snippet may unwind the stack
977  *
978  */
979 LLVMBool LLVMGetInlineAsmCanUnwind(LLVMValueRef InlineAsmVal);
980 
981 /**
982  * Obtain the context to which this module is associated.
983  *
984  * @see Module::getContext()
985  */
986 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M);
987 
988 /** Deprecated: Use LLVMGetTypeByName2 instead. */
989 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name);
990 
991 /**
992  * Obtain an iterator to the first NamedMDNode in a Module.
993  *
994  * @see llvm::Module::named_metadata_begin()
995  */
996 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M);
997 
998 /**
999  * Obtain an iterator to the last NamedMDNode in a Module.
1000  *
1001  * @see llvm::Module::named_metadata_end()
1002  */
1003 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M);
1004 
1005 /**
1006  * Advance a NamedMDNode iterator to the next NamedMDNode.
1007  *
1008  * Returns NULL if the iterator was already at the end and there are no more
1009  * named metadata nodes.
1010  */
1011 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
1012 
1013 /**
1014  * Decrement a NamedMDNode iterator to the previous NamedMDNode.
1015  *
1016  * Returns NULL if the iterator was already at the beginning and there are
1017  * no previous named metadata nodes.
1018  */
1019 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NamedMDNode);
1020 
1021 /**
1022  * Retrieve a NamedMDNode with the given name, returning NULL if no such
1023  * node exists.
1024  *
1025  * @see llvm::Module::getNamedMetadata()
1026  */
1027 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
1028                                         const char *Name, size_t NameLen);
1029 
1030 /**
1031  * Retrieve a NamedMDNode with the given name, creating a new node if no such
1032  * node exists.
1033  *
1034  * @see llvm::Module::getOrInsertNamedMetadata()
1035  */
1036 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
1037                                                 const char *Name,
1038                                                 size_t NameLen);
1039 
1040 /**
1041  * Retrieve the name of a NamedMDNode.
1042  *
1043  * @see llvm::NamedMDNode::getName()
1044  */
1045 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NamedMD,
1046                                      size_t *NameLen);
1047 
1048 /**
1049  * Obtain the number of operands for named metadata in a module.
1050  *
1051  * @see llvm::Module::getNamedMetadata()
1052  */
1053 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name);
1054 
1055 /**
1056  * Obtain the named metadata operands for a module.
1057  *
1058  * The passed LLVMValueRef pointer should refer to an array of
1059  * LLVMValueRef at least LLVMGetNamedMetadataNumOperands long. This
1060  * array will be populated with the LLVMValueRef instances. Each
1061  * instance corresponds to a llvm::MDNode.
1062  *
1063  * @see llvm::Module::getNamedMetadata()
1064  * @see llvm::MDNode::getOperand()
1065  */
1066 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
1067                                   LLVMValueRef *Dest);
1068 
1069 /**
1070  * Add an operand to named metadata.
1071  *
1072  * @see llvm::Module::getNamedMetadata()
1073  * @see llvm::MDNode::addOperand()
1074  */
1075 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
1076                                  LLVMValueRef Val);
1077 
1078 /**
1079  * Return the directory of the debug location for this value, which must be
1080  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
1081  *
1082  * @see llvm::Instruction::getDebugLoc()
1083  * @see llvm::GlobalVariable::getDebugInfo()
1084  * @see llvm::Function::getSubprogram()
1085  */
1086 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length);
1087 
1088 /**
1089  * Return the filename of the debug location for this value, which must be
1090  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
1091  *
1092  * @see llvm::Instruction::getDebugLoc()
1093  * @see llvm::GlobalVariable::getDebugInfo()
1094  * @see llvm::Function::getSubprogram()
1095  */
1096 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length);
1097 
1098 /**
1099  * Return the line number of the debug location for this value, which must be
1100  * an llvm::Instruction, llvm::GlobalVariable, or llvm::Function.
1101  *
1102  * @see llvm::Instruction::getDebugLoc()
1103  * @see llvm::GlobalVariable::getDebugInfo()
1104  * @see llvm::Function::getSubprogram()
1105  */
1106 unsigned LLVMGetDebugLocLine(LLVMValueRef Val);
1107 
1108 /**
1109  * Return the column number of the debug location for this value, which must be
1110  * an llvm::Instruction.
1111  *
1112  * @see llvm::Instruction::getDebugLoc()
1113  */
1114 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val);
1115 
1116 /**
1117  * Add a function to a module under a specified name.
1118  *
1119  * @see llvm::Function::Create()
1120  */
1121 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
1122                              LLVMTypeRef FunctionTy);
1123 
1124 /**
1125  * Obtain a Function value from a Module by its name.
1126  *
1127  * The returned value corresponds to a llvm::Function value.
1128  *
1129  * @see llvm::Module::getFunction()
1130  */
1131 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name);
1132 
1133 /**
1134  * Obtain an iterator to the first Function in a Module.
1135  *
1136  * @see llvm::Module::begin()
1137  */
1138 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M);
1139 
1140 /**
1141  * Obtain an iterator to the last Function in a Module.
1142  *
1143  * @see llvm::Module::end()
1144  */
1145 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M);
1146 
1147 /**
1148  * Advance a Function iterator to the next Function.
1149  *
1150  * Returns NULL if the iterator was already at the end and there are no more
1151  * functions.
1152  */
1153 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn);
1154 
1155 /**
1156  * Decrement a Function iterator to the previous Function.
1157  *
1158  * Returns NULL if the iterator was already at the beginning and there are
1159  * no previous functions.
1160  */
1161 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn);
1162 
1163 /** Deprecated: Use LLVMSetModuleInlineAsm2 instead. */
1164 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm);
1165 
1166 /**
1167  * @}
1168  */
1169 
1170 /**
1171  * @defgroup LLVMCCoreType Types
1172  *
1173  * Types represent the type of a value.
1174  *
1175  * Types are associated with a context instance. The context internally
1176  * deduplicates types so there is only 1 instance of a specific type
1177  * alive at a time. In other words, a unique type is shared among all
1178  * consumers within a context.
1179  *
1180  * A Type in the C API corresponds to llvm::Type.
1181  *
1182  * Types have the following hierarchy:
1183  *
1184  *   types:
1185  *     integer type
1186  *     real type
1187  *     function type
1188  *     sequence types:
1189  *       array type
1190  *       pointer type
1191  *       vector type
1192  *     void type
1193  *     label type
1194  *     opaque type
1195  *
1196  * @{
1197  */
1198 
1199 /**
1200  * Obtain the enumerated type of a Type instance.
1201  *
1202  * @see llvm::Type:getTypeID()
1203  */
1204 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty);
1205 
1206 /**
1207  * Whether the type has a known size.
1208  *
1209  * Things that don't have a size are abstract types, labels, and void.a
1210  *
1211  * @see llvm::Type::isSized()
1212  */
1213 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty);
1214 
1215 /**
1216  * Obtain the context to which this type instance is associated.
1217  *
1218  * @see llvm::Type::getContext()
1219  */
1220 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty);
1221 
1222 /**
1223  * Dump a representation of a type to stderr.
1224  *
1225  * @see llvm::Type::dump()
1226  */
1227 void LLVMDumpType(LLVMTypeRef Val);
1228 
1229 /**
1230  * Return a string representation of the type. Use
1231  * LLVMDisposeMessage to free the string.
1232  *
1233  * @see llvm::Type::print()
1234  */
1235 char *LLVMPrintTypeToString(LLVMTypeRef Val);
1236 
1237 /**
1238  * @defgroup LLVMCCoreTypeInt Integer Types
1239  *
1240  * Functions in this section operate on integer types.
1241  *
1242  * @{
1243  */
1244 
1245 /**
1246  * Obtain an integer type from a context with specified bit width.
1247  */
1248 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C);
1249 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C);
1250 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C);
1251 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C);
1252 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C);
1253 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C);
1254 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits);
1255 
1256 /**
1257  * Obtain an integer type from the global context with a specified bit
1258  * width.
1259  */
1260 LLVMTypeRef LLVMInt1Type(void);
1261 LLVMTypeRef LLVMInt8Type(void);
1262 LLVMTypeRef LLVMInt16Type(void);
1263 LLVMTypeRef LLVMInt32Type(void);
1264 LLVMTypeRef LLVMInt64Type(void);
1265 LLVMTypeRef LLVMInt128Type(void);
1266 LLVMTypeRef LLVMIntType(unsigned NumBits);
1267 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy);
1268 
1269 /**
1270  * @}
1271  */
1272 
1273 /**
1274  * @defgroup LLVMCCoreTypeFloat Floating Point Types
1275  *
1276  * @{
1277  */
1278 
1279 /**
1280  * Obtain a 16-bit floating point type from a context.
1281  */
1282 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C);
1283 
1284 /**
1285  * Obtain a 16-bit brain floating point type from a context.
1286  */
1287 LLVMTypeRef LLVMBFloatTypeInContext(LLVMContextRef C);
1288 
1289 /**
1290  * Obtain a 32-bit floating point type from a context.
1291  */
1292 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C);
1293 
1294 /**
1295  * Obtain a 64-bit floating point type from a context.
1296  */
1297 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C);
1298 
1299 /**
1300  * Obtain a 80-bit floating point type (X87) from a context.
1301  */
1302 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C);
1303 
1304 /**
1305  * Obtain a 128-bit floating point type (112-bit mantissa) from a
1306  * context.
1307  */
1308 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C);
1309 
1310 /**
1311  * Obtain a 128-bit floating point type (two 64-bits) from a context.
1312  */
1313 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C);
1314 
1315 /**
1316  * Obtain a floating point type from the global context.
1317  *
1318  * These map to the functions in this group of the same name.
1319  */
1320 LLVMTypeRef LLVMHalfType(void);
1321 LLVMTypeRef LLVMBFloatType(void);
1322 LLVMTypeRef LLVMFloatType(void);
1323 LLVMTypeRef LLVMDoubleType(void);
1324 LLVMTypeRef LLVMX86FP80Type(void);
1325 LLVMTypeRef LLVMFP128Type(void);
1326 LLVMTypeRef LLVMPPCFP128Type(void);
1327 
1328 /**
1329  * @}
1330  */
1331 
1332 /**
1333  * @defgroup LLVMCCoreTypeFunction Function Types
1334  *
1335  * @{
1336  */
1337 
1338 /**
1339  * Obtain a function type consisting of a specified signature.
1340  *
1341  * The function is defined as a tuple of a return Type, a list of
1342  * parameter types, and whether the function is variadic.
1343  */
1344 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
1345                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
1346                              LLVMBool IsVarArg);
1347 
1348 /**
1349  * Returns whether a function type is variadic.
1350  */
1351 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy);
1352 
1353 /**
1354  * Obtain the Type this function Type returns.
1355  */
1356 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy);
1357 
1358 /**
1359  * Obtain the number of parameters this function accepts.
1360  */
1361 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy);
1362 
1363 /**
1364  * Obtain the types of a function's parameters.
1365  *
1366  * The Dest parameter should point to a pre-allocated array of
1367  * LLVMTypeRef at least LLVMCountParamTypes() large. On return, the
1368  * first LLVMCountParamTypes() entries in the array will be populated
1369  * with LLVMTypeRef instances.
1370  *
1371  * @param FunctionTy The function type to operate on.
1372  * @param Dest Memory address of an array to be filled with result.
1373  */
1374 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest);
1375 
1376 /**
1377  * @}
1378  */
1379 
1380 /**
1381  * @defgroup LLVMCCoreTypeStruct Structure Types
1382  *
1383  * These functions relate to LLVMTypeRef instances.
1384  *
1385  * @see llvm::StructType
1386  *
1387  * @{
1388  */
1389 
1390 /**
1391  * Create a new structure type in a context.
1392  *
1393  * A structure is specified by a list of inner elements/types and
1394  * whether these can be packed together.
1395  *
1396  * @see llvm::StructType::create()
1397  */
1398 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
1399                                     unsigned ElementCount, LLVMBool Packed);
1400 
1401 /**
1402  * Create a new structure type in the global context.
1403  *
1404  * @see llvm::StructType::create()
1405  */
1406 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes, unsigned ElementCount,
1407                            LLVMBool Packed);
1408 
1409 /**
1410  * Create an empty structure in a context having a specified name.
1411  *
1412  * @see llvm::StructType::create()
1413  */
1414 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name);
1415 
1416 /**
1417  * Obtain the name of a structure.
1418  *
1419  * @see llvm::StructType::getName()
1420  */
1421 const char *LLVMGetStructName(LLVMTypeRef Ty);
1422 
1423 /**
1424  * Set the contents of a structure type.
1425  *
1426  * @see llvm::StructType::setBody()
1427  */
1428 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
1429                        unsigned ElementCount, LLVMBool Packed);
1430 
1431 /**
1432  * Get the number of elements defined inside the structure.
1433  *
1434  * @see llvm::StructType::getNumElements()
1435  */
1436 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy);
1437 
1438 /**
1439  * Get the elements within a structure.
1440  *
1441  * The function is passed the address of a pre-allocated array of
1442  * LLVMTypeRef at least LLVMCountStructElementTypes() long. After
1443  * invocation, this array will be populated with the structure's
1444  * elements. The objects in the destination array will have a lifetime
1445  * of the structure type itself, which is the lifetime of the context it
1446  * is contained in.
1447  */
1448 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest);
1449 
1450 /**
1451  * Get the type of the element at a given index in the structure.
1452  *
1453  * @see llvm::StructType::getTypeAtIndex()
1454  */
1455 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i);
1456 
1457 /**
1458  * Determine whether a structure is packed.
1459  *
1460  * @see llvm::StructType::isPacked()
1461  */
1462 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy);
1463 
1464 /**
1465  * Determine whether a structure is opaque.
1466  *
1467  * @see llvm::StructType::isOpaque()
1468  */
1469 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy);
1470 
1471 /**
1472  * Determine whether a structure is literal.
1473  *
1474  * @see llvm::StructType::isLiteral()
1475  */
1476 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy);
1477 
1478 /**
1479  * @}
1480  */
1481 
1482 /**
1483  * @defgroup LLVMCCoreTypeSequential Sequential Types
1484  *
1485  * Sequential types represents "arrays" of types. This is a super class
1486  * for array, vector, and pointer types.
1487  *
1488  * @{
1489  */
1490 
1491 /**
1492  * Obtain the element type of an array or vector type.
1493  *
1494  * @see llvm::SequentialType::getElementType()
1495  */
1496 LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty);
1497 
1498 /**
1499  * Returns type's subtypes
1500  *
1501  * @see llvm::Type::subtypes()
1502  */
1503 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr);
1504 
1505 /**
1506  *  Return the number of types in the derived type.
1507  *
1508  * @see llvm::Type::getNumContainedTypes()
1509  */
1510 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp);
1511 
1512 /**
1513  * Create a fixed size array type that refers to a specific type.
1514  *
1515  * The created type will exist in the context that its element type
1516  * exists in.
1517  *
1518  * @deprecated LLVMArrayType is deprecated in favor of the API accurate
1519  * LLVMArrayType2
1520  * @see llvm::ArrayType::get()
1521  */
1522 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount);
1523 
1524 /**
1525  * Create a fixed size array type that refers to a specific type.
1526  *
1527  * The created type will exist in the context that its element type
1528  * exists in.
1529  *
1530  * @see llvm::ArrayType::get()
1531  */
1532 LLVMTypeRef LLVMArrayType2(LLVMTypeRef ElementType, uint64_t ElementCount);
1533 
1534 /**
1535  * Obtain the length of an array type.
1536  *
1537  * This only works on types that represent arrays.
1538  *
1539  * @deprecated LLVMGetArrayLength is deprecated in favor of the API accurate
1540  * LLVMGetArrayLength2
1541  * @see llvm::ArrayType::getNumElements()
1542  */
1543 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy);
1544 
1545 /**
1546  * Obtain the length of an array type.
1547  *
1548  * This only works on types that represent arrays.
1549  *
1550  * @see llvm::ArrayType::getNumElements()
1551  */
1552 uint64_t LLVMGetArrayLength2(LLVMTypeRef ArrayTy);
1553 
1554 /**
1555  * Create a pointer type that points to a defined type.
1556  *
1557  * The created type will exist in the context that its pointee type
1558  * exists in.
1559  *
1560  * @see llvm::PointerType::get()
1561  */
1562 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace);
1563 
1564 /**
1565  * Determine whether a pointer is opaque.
1566  *
1567  * True if this is an instance of an opaque PointerType.
1568  *
1569  * @see llvm::Type::isOpaquePointerTy()
1570  */
1571 LLVMBool LLVMPointerTypeIsOpaque(LLVMTypeRef Ty);
1572 
1573 /**
1574  * Create an opaque pointer type in a context.
1575  *
1576  * @see llvm::PointerType::get()
1577  */
1578 LLVMTypeRef LLVMPointerTypeInContext(LLVMContextRef C, unsigned AddressSpace);
1579 
1580 /**
1581  * Obtain the address space of a pointer type.
1582  *
1583  * This only works on types that represent pointers.
1584  *
1585  * @see llvm::PointerType::getAddressSpace()
1586  */
1587 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy);
1588 
1589 /**
1590  * Create a vector type that contains a defined type and has a specific
1591  * number of elements.
1592  *
1593  * The created type will exist in the context thats its element type
1594  * exists in.
1595  *
1596  * @see llvm::VectorType::get()
1597  */
1598 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount);
1599 
1600 /**
1601  * Create a vector type that contains a defined type and has a scalable
1602  * number of elements.
1603  *
1604  * The created type will exist in the context thats its element type
1605  * exists in.
1606  *
1607  * @see llvm::ScalableVectorType::get()
1608  */
1609 LLVMTypeRef LLVMScalableVectorType(LLVMTypeRef ElementType,
1610                                    unsigned ElementCount);
1611 
1612 /**
1613  * Obtain the (possibly scalable) number of elements in a vector type.
1614  *
1615  * This only works on types that represent vectors (fixed or scalable).
1616  *
1617  * @see llvm::VectorType::getNumElements()
1618  */
1619 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy);
1620 
1621 /**
1622  * @}
1623  */
1624 
1625 /**
1626  * @defgroup LLVMCCoreTypeOther Other Types
1627  *
1628  * @{
1629  */
1630 
1631 /**
1632  * Create a void type in a context.
1633  */
1634 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C);
1635 
1636 /**
1637  * Create a label type in a context.
1638  */
1639 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C);
1640 
1641 /**
1642  * Create a X86 MMX type in a context.
1643  */
1644 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C);
1645 
1646 /**
1647  * Create a X86 AMX type in a context.
1648  */
1649 LLVMTypeRef LLVMX86AMXTypeInContext(LLVMContextRef C);
1650 
1651 /**
1652  * Create a token type in a context.
1653  */
1654 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C);
1655 
1656 /**
1657  * Create a metadata type in a context.
1658  */
1659 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C);
1660 
1661 /**
1662  * These are similar to the above functions except they operate on the
1663  * global context.
1664  */
1665 LLVMTypeRef LLVMVoidType(void);
1666 LLVMTypeRef LLVMLabelType(void);
1667 LLVMTypeRef LLVMX86MMXType(void);
1668 LLVMTypeRef LLVMX86AMXType(void);
1669 
1670 /**
1671  * Create a target extension type in LLVM context.
1672  */
1673 LLVMTypeRef LLVMTargetExtTypeInContext(LLVMContextRef C, const char *Name,
1674                                        LLVMTypeRef *TypeParams,
1675                                        unsigned TypeParamCount,
1676                                        unsigned *IntParams,
1677                                        unsigned IntParamCount);
1678 
1679 /**
1680  * @}
1681  */
1682 
1683 /**
1684  * @}
1685  */
1686 
1687 /**
1688  * @defgroup LLVMCCoreValues Values
1689  *
1690  * The bulk of LLVM's object model consists of values, which comprise a very
1691  * rich type hierarchy.
1692  *
1693  * LLVMValueRef essentially represents llvm::Value. There is a rich
1694  * hierarchy of classes within this type. Depending on the instance
1695  * obtained, not all APIs are available.
1696  *
1697  * Callers can determine the type of an LLVMValueRef by calling the
1698  * LLVMIsA* family of functions (e.g. LLVMIsAArgument()). These
1699  * functions are defined by a macro, so it isn't obvious which are
1700  * available by looking at the Doxygen source code. Instead, look at the
1701  * source definition of LLVM_FOR_EACH_VALUE_SUBCLASS and note the list
1702  * of value names given. These value names also correspond to classes in
1703  * the llvm::Value hierarchy.
1704  *
1705  * @{
1706  */
1707 
1708 #define LLVM_FOR_EACH_VALUE_SUBCLASS(macro) \
1709   macro(Argument)                           \
1710   macro(BasicBlock)                         \
1711   macro(InlineAsm)                          \
1712   macro(User)                               \
1713     macro(Constant)                         \
1714       macro(BlockAddress)                   \
1715       macro(ConstantAggregateZero)          \
1716       macro(ConstantArray)                  \
1717       macro(ConstantDataSequential)         \
1718         macro(ConstantDataArray)            \
1719         macro(ConstantDataVector)           \
1720       macro(ConstantExpr)                   \
1721       macro(ConstantFP)                     \
1722       macro(ConstantInt)                    \
1723       macro(ConstantPointerNull)            \
1724       macro(ConstantStruct)                 \
1725       macro(ConstantTokenNone)              \
1726       macro(ConstantVector)                 \
1727       macro(GlobalValue)                    \
1728         macro(GlobalAlias)                  \
1729         macro(GlobalObject)                 \
1730           macro(Function)                   \
1731           macro(GlobalVariable)             \
1732           macro(GlobalIFunc)                \
1733       macro(UndefValue)                     \
1734       macro(PoisonValue)                    \
1735     macro(Instruction)                      \
1736       macro(UnaryOperator)                  \
1737       macro(BinaryOperator)                 \
1738       macro(CallInst)                       \
1739         macro(IntrinsicInst)                \
1740           macro(DbgInfoIntrinsic)           \
1741             macro(DbgVariableIntrinsic)     \
1742               macro(DbgDeclareInst)         \
1743             macro(DbgLabelInst)             \
1744           macro(MemIntrinsic)               \
1745             macro(MemCpyInst)               \
1746             macro(MemMoveInst)              \
1747             macro(MemSetInst)               \
1748       macro(CmpInst)                        \
1749         macro(FCmpInst)                     \
1750         macro(ICmpInst)                     \
1751       macro(ExtractElementInst)             \
1752       macro(GetElementPtrInst)              \
1753       macro(InsertElementInst)              \
1754       macro(InsertValueInst)                \
1755       macro(LandingPadInst)                 \
1756       macro(PHINode)                        \
1757       macro(SelectInst)                     \
1758       macro(ShuffleVectorInst)              \
1759       macro(StoreInst)                      \
1760       macro(BranchInst)                     \
1761       macro(IndirectBrInst)                 \
1762       macro(InvokeInst)                     \
1763       macro(ReturnInst)                     \
1764       macro(SwitchInst)                     \
1765       macro(UnreachableInst)                \
1766       macro(ResumeInst)                     \
1767       macro(CleanupReturnInst)              \
1768       macro(CatchReturnInst)                \
1769       macro(CatchSwitchInst)                \
1770       macro(CallBrInst)                     \
1771       macro(FuncletPadInst)                 \
1772         macro(CatchPadInst)                 \
1773         macro(CleanupPadInst)               \
1774       macro(UnaryInstruction)               \
1775         macro(AllocaInst)                   \
1776         macro(CastInst)                     \
1777           macro(AddrSpaceCastInst)          \
1778           macro(BitCastInst)                \
1779           macro(FPExtInst)                  \
1780           macro(FPToSIInst)                 \
1781           macro(FPToUIInst)                 \
1782           macro(FPTruncInst)                \
1783           macro(IntToPtrInst)               \
1784           macro(PtrToIntInst)               \
1785           macro(SExtInst)                   \
1786           macro(SIToFPInst)                 \
1787           macro(TruncInst)                  \
1788           macro(UIToFPInst)                 \
1789           macro(ZExtInst)                   \
1790         macro(ExtractValueInst)             \
1791         macro(LoadInst)                     \
1792         macro(VAArgInst)                    \
1793         macro(FreezeInst)                   \
1794       macro(AtomicCmpXchgInst)              \
1795       macro(AtomicRMWInst)                  \
1796       macro(FenceInst)
1797 
1798 /**
1799  * @defgroup LLVMCCoreValueGeneral General APIs
1800  *
1801  * Functions in this section work on all LLVMValueRef instances,
1802  * regardless of their sub-type. They correspond to functions available
1803  * on llvm::Value.
1804  *
1805  * @{
1806  */
1807 
1808 /**
1809  * Obtain the type of a value.
1810  *
1811  * @see llvm::Value::getType()
1812  */
1813 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val);
1814 
1815 /**
1816  * Obtain the enumerated type of a Value instance.
1817  *
1818  * @see llvm::Value::getValueID()
1819  */
1820 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val);
1821 
1822 /**
1823  * Obtain the string name of a value.
1824  *
1825  * @see llvm::Value::getName()
1826  */
1827 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length);
1828 
1829 /**
1830  * Set the string name of a value.
1831  *
1832  * @see llvm::Value::setName()
1833  */
1834 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen);
1835 
1836 /**
1837  * Dump a representation of a value to stderr.
1838  *
1839  * @see llvm::Value::dump()
1840  */
1841 void LLVMDumpValue(LLVMValueRef Val);
1842 
1843 /**
1844  * Return a string representation of the value. Use
1845  * LLVMDisposeMessage to free the string.
1846  *
1847  * @see llvm::Value::print()
1848  */
1849 char *LLVMPrintValueToString(LLVMValueRef Val);
1850 
1851 /**
1852  * Replace all uses of a value with another one.
1853  *
1854  * @see llvm::Value::replaceAllUsesWith()
1855  */
1856 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal);
1857 
1858 /**
1859  * Determine whether the specified value instance is constant.
1860  */
1861 LLVMBool LLVMIsConstant(LLVMValueRef Val);
1862 
1863 /**
1864  * Determine whether a value instance is undefined.
1865  */
1866 LLVMBool LLVMIsUndef(LLVMValueRef Val);
1867 
1868 /**
1869  * Determine whether a value instance is poisonous.
1870  */
1871 LLVMBool LLVMIsPoison(LLVMValueRef Val);
1872 
1873 /**
1874  * Convert value instances between types.
1875  *
1876  * Internally, an LLVMValueRef is "pinned" to a specific type. This
1877  * series of functions allows you to cast an instance to a specific
1878  * type.
1879  *
1880  * If the cast is not valid for the specified type, NULL is returned.
1881  *
1882  * @see llvm::dyn_cast_or_null<>
1883  */
1884 #define LLVM_DECLARE_VALUE_CAST(name) \
1885   LLVMValueRef LLVMIsA##name(LLVMValueRef Val);
1886 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DECLARE_VALUE_CAST)
1887 
1888 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val);
1889 LLVMValueRef LLVMIsAValueAsMetadata(LLVMValueRef Val);
1890 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val);
1891 
1892 /** Deprecated: Use LLVMGetValueName2 instead. */
1893 const char *LLVMGetValueName(LLVMValueRef Val);
1894 /** Deprecated: Use LLVMSetValueName2 instead. */
1895 void LLVMSetValueName(LLVMValueRef Val, const char *Name);
1896 
1897 /**
1898  * @}
1899  */
1900 
1901 /**
1902  * @defgroup LLVMCCoreValueUses Usage
1903  *
1904  * This module defines functions that allow you to inspect the uses of a
1905  * LLVMValueRef.
1906  *
1907  * It is possible to obtain an LLVMUseRef for any LLVMValueRef instance.
1908  * Each LLVMUseRef (which corresponds to a llvm::Use instance) holds a
1909  * llvm::User and llvm::Value.
1910  *
1911  * @{
1912  */
1913 
1914 /**
1915  * Obtain the first use of a value.
1916  *
1917  * Uses are obtained in an iterator fashion. First, call this function
1918  * to obtain a reference to the first use. Then, call LLVMGetNextUse()
1919  * on that instance and all subsequently obtained instances until
1920  * LLVMGetNextUse() returns NULL.
1921  *
1922  * @see llvm::Value::use_begin()
1923  */
1924 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val);
1925 
1926 /**
1927  * Obtain the next use of a value.
1928  *
1929  * This effectively advances the iterator. It returns NULL if you are on
1930  * the final use and no more are available.
1931  */
1932 LLVMUseRef LLVMGetNextUse(LLVMUseRef U);
1933 
1934 /**
1935  * Obtain the user value for a user.
1936  *
1937  * The returned value corresponds to a llvm::User type.
1938  *
1939  * @see llvm::Use::getUser()
1940  */
1941 LLVMValueRef LLVMGetUser(LLVMUseRef U);
1942 
1943 /**
1944  * Obtain the value this use corresponds to.
1945  *
1946  * @see llvm::Use::get().
1947  */
1948 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U);
1949 
1950 /**
1951  * @}
1952  */
1953 
1954 /**
1955  * @defgroup LLVMCCoreValueUser User value
1956  *
1957  * Function in this group pertain to LLVMValueRef instances that descent
1958  * from llvm::User. This includes constants, instructions, and
1959  * operators.
1960  *
1961  * @{
1962  */
1963 
1964 /**
1965  * Obtain an operand at a specific index in a llvm::User value.
1966  *
1967  * @see llvm::User::getOperand()
1968  */
1969 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index);
1970 
1971 /**
1972  * Obtain the use of an operand at a specific index in a llvm::User value.
1973  *
1974  * @see llvm::User::getOperandUse()
1975  */
1976 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index);
1977 
1978 /**
1979  * Set an operand at a specific index in a llvm::User value.
1980  *
1981  * @see llvm::User::setOperand()
1982  */
1983 void LLVMSetOperand(LLVMValueRef User, unsigned Index, LLVMValueRef Val);
1984 
1985 /**
1986  * Obtain the number of operands in a llvm::User value.
1987  *
1988  * @see llvm::User::getNumOperands()
1989  */
1990 int LLVMGetNumOperands(LLVMValueRef Val);
1991 
1992 /**
1993  * @}
1994  */
1995 
1996 /**
1997  * @defgroup LLVMCCoreValueConstant Constants
1998  *
1999  * This section contains APIs for interacting with LLVMValueRef that
2000  * correspond to llvm::Constant instances.
2001  *
2002  * These functions will work for any LLVMValueRef in the llvm::Constant
2003  * class hierarchy.
2004  *
2005  * @{
2006  */
2007 
2008 /**
2009  * Obtain a constant value referring to the null instance of a type.
2010  *
2011  * @see llvm::Constant::getNullValue()
2012  */
2013 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty); /* all zeroes */
2014 
2015 /**
2016  * Obtain a constant value referring to the instance of a type
2017  * consisting of all ones.
2018  *
2019  * This is only valid for integer types.
2020  *
2021  * @see llvm::Constant::getAllOnesValue()
2022  */
2023 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty);
2024 
2025 /**
2026  * Obtain a constant value referring to an undefined value of a type.
2027  *
2028  * @see llvm::UndefValue::get()
2029  */
2030 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty);
2031 
2032 /**
2033  * Obtain a constant value referring to a poison value of a type.
2034  *
2035  * @see llvm::PoisonValue::get()
2036  */
2037 LLVMValueRef LLVMGetPoison(LLVMTypeRef Ty);
2038 
2039 /**
2040  * Determine whether a value instance is null.
2041  *
2042  * @see llvm::Constant::isNullValue()
2043  */
2044 LLVMBool LLVMIsNull(LLVMValueRef Val);
2045 
2046 /**
2047  * Obtain a constant that is a constant pointer pointing to NULL for a
2048  * specified type.
2049  */
2050 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty);
2051 
2052 /**
2053  * @defgroup LLVMCCoreValueConstantScalar Scalar constants
2054  *
2055  * Functions in this group model LLVMValueRef instances that correspond
2056  * to constants referring to scalar types.
2057  *
2058  * For integer types, the LLVMTypeRef parameter should correspond to a
2059  * llvm::IntegerType instance and the returned LLVMValueRef will
2060  * correspond to a llvm::ConstantInt.
2061  *
2062  * For floating point types, the LLVMTypeRef returned corresponds to a
2063  * llvm::ConstantFP.
2064  *
2065  * @{
2066  */
2067 
2068 /**
2069  * Obtain a constant value for an integer type.
2070  *
2071  * The returned value corresponds to a llvm::ConstantInt.
2072  *
2073  * @see llvm::ConstantInt::get()
2074  *
2075  * @param IntTy Integer type to obtain value of.
2076  * @param N The value the returned instance should refer to.
2077  * @param SignExtend Whether to sign extend the produced value.
2078  */
2079 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
2080                           LLVMBool SignExtend);
2081 
2082 /**
2083  * Obtain a constant value for an integer of arbitrary precision.
2084  *
2085  * @see llvm::ConstantInt::get()
2086  */
2087 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
2088                                               unsigned NumWords,
2089                                               const uint64_t Words[]);
2090 
2091 /**
2092  * Obtain a constant value for an integer parsed from a string.
2093  *
2094  * A similar API, LLVMConstIntOfStringAndSize is also available. If the
2095  * string's length is available, it is preferred to call that function
2096  * instead.
2097  *
2098  * @see llvm::ConstantInt::get()
2099  */
2100 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char *Text,
2101                                   uint8_t Radix);
2102 
2103 /**
2104  * Obtain a constant value for an integer parsed from a string with
2105  * specified length.
2106  *
2107  * @see llvm::ConstantInt::get()
2108  */
2109 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char *Text,
2110                                          unsigned SLen, uint8_t Radix);
2111 
2112 /**
2113  * Obtain a constant value referring to a double floating point value.
2114  */
2115 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N);
2116 
2117 /**
2118  * Obtain a constant for a floating point value parsed from a string.
2119  *
2120  * A similar API, LLVMConstRealOfStringAndSize is also available. It
2121  * should be used if the input string's length is known.
2122  */
2123 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text);
2124 
2125 /**
2126  * Obtain a constant for a floating point value parsed from a string.
2127  */
2128 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char *Text,
2129                                           unsigned SLen);
2130 
2131 /**
2132  * Obtain the zero extended value for an integer constant value.
2133  *
2134  * @see llvm::ConstantInt::getZExtValue()
2135  */
2136 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal);
2137 
2138 /**
2139  * Obtain the sign extended value for an integer constant value.
2140  *
2141  * @see llvm::ConstantInt::getSExtValue()
2142  */
2143 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal);
2144 
2145 /**
2146  * Obtain the double value for an floating point constant value.
2147  * losesInfo indicates if some precision was lost in the conversion.
2148  *
2149  * @see llvm::ConstantFP::getDoubleValue
2150  */
2151 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *losesInfo);
2152 
2153 /**
2154  * @}
2155  */
2156 
2157 /**
2158  * @defgroup LLVMCCoreValueConstantComposite Composite Constants
2159  *
2160  * Functions in this group operate on composite constants.
2161  *
2162  * @{
2163  */
2164 
2165 /**
2166  * Create a ConstantDataSequential and initialize it with a string.
2167  *
2168  * @see llvm::ConstantDataArray::getString()
2169  */
2170 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
2171                                       unsigned Length, LLVMBool DontNullTerminate);
2172 
2173 /**
2174  * Create a ConstantDataSequential with string content in the global context.
2175  *
2176  * This is the same as LLVMConstStringInContext except it operates on the
2177  * global context.
2178  *
2179  * @see LLVMConstStringInContext()
2180  * @see llvm::ConstantDataArray::getString()
2181  */
2182 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
2183                              LLVMBool DontNullTerminate);
2184 
2185 /**
2186  * Returns true if the specified constant is an array of i8.
2187  *
2188  * @see ConstantDataSequential::getAsString()
2189  */
2190 LLVMBool LLVMIsConstantString(LLVMValueRef c);
2191 
2192 /**
2193  * Get the given constant data sequential as a string.
2194  *
2195  * @see ConstantDataSequential::getAsString()
2196  */
2197 const char *LLVMGetAsString(LLVMValueRef c, size_t *Length);
2198 
2199 /**
2200  * Create an anonymous ConstantStruct with the specified values.
2201  *
2202  * @see llvm::ConstantStruct::getAnon()
2203  */
2204 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
2205                                       LLVMValueRef *ConstantVals,
2206                                       unsigned Count, LLVMBool Packed);
2207 
2208 /**
2209  * Create a ConstantStruct in the global Context.
2210  *
2211  * This is the same as LLVMConstStructInContext except it operates on the
2212  * global Context.
2213  *
2214  * @see LLVMConstStructInContext()
2215  */
2216 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
2217                              LLVMBool Packed);
2218 
2219 /**
2220  * Create a ConstantArray from values.
2221  *
2222  * @deprecated LLVMConstArray is deprecated in favor of the API accurate
2223  * LLVMConstArray2
2224  * @see llvm::ConstantArray::get()
2225  */
2226 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
2227                             LLVMValueRef *ConstantVals, unsigned Length);
2228 
2229 /**
2230  * Create a ConstantArray from values.
2231  *
2232  * @see llvm::ConstantArray::get()
2233  */
2234 LLVMValueRef LLVMConstArray2(LLVMTypeRef ElementTy, LLVMValueRef *ConstantVals,
2235                              uint64_t Length);
2236 
2237 /**
2238  * Create a non-anonymous ConstantStruct from values.
2239  *
2240  * @see llvm::ConstantStruct::get()
2241  */
2242 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
2243                                   LLVMValueRef *ConstantVals,
2244                                   unsigned Count);
2245 
2246 /**
2247  * Get element of a constant aggregate (struct, array or vector) at the
2248  * specified index. Returns null if the index is out of range, or it's not
2249  * possible to determine the element (e.g., because the constant is a
2250  * constant expression.)
2251  *
2252  * @see llvm::Constant::getAggregateElement()
2253  */
2254 LLVMValueRef LLVMGetAggregateElement(LLVMValueRef C, unsigned Idx);
2255 
2256 /**
2257  * Get an element at specified index as a constant.
2258  *
2259  * @see ConstantDataSequential::getElementAsConstant()
2260  */
2261 LLVM_ATTRIBUTE_C_DEPRECATED(
2262     LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx),
2263     "Use LLVMGetAggregateElement instead");
2264 
2265 /**
2266  * Create a ConstantVector from values.
2267  *
2268  * @see llvm::ConstantVector::get()
2269  */
2270 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size);
2271 
2272 /**
2273  * @}
2274  */
2275 
2276 /**
2277  * @defgroup LLVMCCoreValueConstantExpressions Constant Expressions
2278  *
2279  * Functions in this group correspond to APIs on llvm::ConstantExpr.
2280  *
2281  * @see llvm::ConstantExpr.
2282  *
2283  * @{
2284  */
2285 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal);
2286 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty);
2287 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty);
2288 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal);
2289 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal);
2290 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal);
2291 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal);
2292 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2293 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2294 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2295 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2296 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2297 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2298 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2299 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2300 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2301 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2302 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
2303                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2304 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
2305                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2306 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant);
2307 LLVMValueRef LLVMConstGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2308                            LLVMValueRef *ConstantIndices, unsigned NumIndices);
2309 LLVMValueRef LLVMConstInBoundsGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
2310                                    LLVMValueRef *ConstantIndices,
2311                                    unsigned NumIndices);
2312 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2313 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2314 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2315 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2316 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType);
2317 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
2318                                      LLVMTypeRef ToType);
2319 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
2320                                   LLVMTypeRef ToType);
2321 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
2322                                      LLVMValueRef IndexConstant);
2323 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
2324                                     LLVMValueRef ElementValueConstant,
2325                                     LLVMValueRef IndexConstant);
2326 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
2327                                     LLVMValueRef VectorBConstant,
2328                                     LLVMValueRef MaskConstant);
2329 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB);
2330 
2331 /** Deprecated: Use LLVMGetInlineAsm instead. */
2332 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty,
2333                                 const char *AsmString, const char *Constraints,
2334                                 LLVMBool HasSideEffects, LLVMBool IsAlignStack);
2335 
2336 /**
2337  * @}
2338  */
2339 
2340 /**
2341  * @defgroup LLVMCCoreValueConstantGlobals Global Values
2342  *
2343  * This group contains functions that operate on global values. Functions in
2344  * this group relate to functions in the llvm::GlobalValue class tree.
2345  *
2346  * @see llvm::GlobalValue
2347  *
2348  * @{
2349  */
2350 
2351 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global);
2352 LLVMBool LLVMIsDeclaration(LLVMValueRef Global);
2353 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global);
2354 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage);
2355 const char *LLVMGetSection(LLVMValueRef Global);
2356 void LLVMSetSection(LLVMValueRef Global, const char *Section);
2357 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
2358 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
2359 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global);
2360 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class);
2361 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global);
2362 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr);
2363 
2364 /**
2365  * Returns the "value type" of a global value.  This differs from the formal
2366  * type of a global value which is always a pointer type.
2367  *
2368  * @see llvm::GlobalValue::getValueType()
2369  */
2370 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global);
2371 
2372 /** Deprecated: Use LLVMGetUnnamedAddress instead. */
2373 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global);
2374 /** Deprecated: Use LLVMSetUnnamedAddress instead. */
2375 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr);
2376 
2377 /**
2378  * @defgroup LLVMCCoreValueWithAlignment Values with alignment
2379  *
2380  * Functions in this group only apply to values with alignment, i.e.
2381  * global variables, load and store instructions.
2382  */
2383 
2384 /**
2385  * Obtain the preferred alignment of the value.
2386  * @see llvm::AllocaInst::getAlignment()
2387  * @see llvm::LoadInst::getAlignment()
2388  * @see llvm::StoreInst::getAlignment()
2389  * @see llvm::AtomicRMWInst::setAlignment()
2390  * @see llvm::AtomicCmpXchgInst::setAlignment()
2391  * @see llvm::GlobalValue::getAlignment()
2392  */
2393 unsigned LLVMGetAlignment(LLVMValueRef V);
2394 
2395 /**
2396  * Set the preferred alignment of the value.
2397  * @see llvm::AllocaInst::setAlignment()
2398  * @see llvm::LoadInst::setAlignment()
2399  * @see llvm::StoreInst::setAlignment()
2400  * @see llvm::AtomicRMWInst::setAlignment()
2401  * @see llvm::AtomicCmpXchgInst::setAlignment()
2402  * @see llvm::GlobalValue::setAlignment()
2403  */
2404 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes);
2405 
2406 /**
2407  * Sets a metadata attachment, erasing the existing metadata attachment if
2408  * it already exists for the given kind.
2409  *
2410  * @see llvm::GlobalObject::setMetadata()
2411  */
2412 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2413                            LLVMMetadataRef MD);
2414 
2415 /**
2416  * Erases a metadata attachment of the given kind if it exists.
2417  *
2418  * @see llvm::GlobalObject::eraseMetadata()
2419  */
2420 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind);
2421 
2422 /**
2423  * Removes all metadata attachments from this value.
2424  *
2425  * @see llvm::GlobalObject::clearMetadata()
2426  */
2427 void LLVMGlobalClearMetadata(LLVMValueRef Global);
2428 
2429 /**
2430  * Retrieves an array of metadata entries representing the metadata attached to
2431  * this value. The caller is responsible for freeing this array by calling
2432  * \c LLVMDisposeValueMetadataEntries.
2433  *
2434  * @see llvm::GlobalObject::getAllMetadata()
2435  */
2436 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2437                                                   size_t *NumEntries);
2438 
2439 /**
2440  * Destroys value metadata entries.
2441  */
2442 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries);
2443 
2444 /**
2445  * Returns the kind of a value metadata entry at a specific index.
2446  */
2447 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2448                                          unsigned Index);
2449 
2450 /**
2451  * Returns the underlying metadata node of a value metadata entry at a
2452  * specific index.
2453  */
2454 LLVMMetadataRef
2455 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2456                                     unsigned Index);
2457 
2458 /**
2459  * @}
2460  */
2461 
2462 /**
2463  * @defgroup LLVMCoreValueConstantGlobalVariable Global Variables
2464  *
2465  * This group contains functions that operate on global variable values.
2466  *
2467  * @see llvm::GlobalVariable
2468  *
2469  * @{
2470  */
2471 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name);
2472 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2473                                          const char *Name,
2474                                          unsigned AddressSpace);
2475 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name);
2476 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M);
2477 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M);
2478 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar);
2479 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar);
2480 void LLVMDeleteGlobal(LLVMValueRef GlobalVar);
2481 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar);
2482 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal);
2483 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar);
2484 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal);
2485 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar);
2486 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant);
2487 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar);
2488 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode);
2489 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar);
2490 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit);
2491 
2492 /**
2493  * @}
2494  */
2495 
2496 /**
2497  * @defgroup LLVMCoreValueConstantGlobalAlias Global Aliases
2498  *
2499  * This group contains function that operate on global alias values.
2500  *
2501  * @see llvm::GlobalAlias
2502  *
2503  * @{
2504  */
2505 
2506 /**
2507  * Add a GlobalAlias with the given value type, address space and aliasee.
2508  *
2509  * @see llvm::GlobalAlias::create()
2510  */
2511 LLVMValueRef LLVMAddAlias2(LLVMModuleRef M, LLVMTypeRef ValueTy,
2512                            unsigned AddrSpace, LLVMValueRef Aliasee,
2513                            const char *Name);
2514 
2515 /**
2516  * Obtain a GlobalAlias value from a Module by its name.
2517  *
2518  * The returned value corresponds to a llvm::GlobalAlias value.
2519  *
2520  * @see llvm::Module::getNamedAlias()
2521  */
2522 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2523                                      const char *Name, size_t NameLen);
2524 
2525 /**
2526  * Obtain an iterator to the first GlobalAlias in a Module.
2527  *
2528  * @see llvm::Module::alias_begin()
2529  */
2530 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M);
2531 
2532 /**
2533  * Obtain an iterator to the last GlobalAlias in a Module.
2534  *
2535  * @see llvm::Module::alias_end()
2536  */
2537 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M);
2538 
2539 /**
2540  * Advance a GlobalAlias iterator to the next GlobalAlias.
2541  *
2542  * Returns NULL if the iterator was already at the end and there are no more
2543  * global aliases.
2544  */
2545 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA);
2546 
2547 /**
2548  * Decrement a GlobalAlias iterator to the previous GlobalAlias.
2549  *
2550  * Returns NULL if the iterator was already at the beginning and there are
2551  * no previous global aliases.
2552  */
2553 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA);
2554 
2555 /**
2556  * Retrieve the target value of an alias.
2557  */
2558 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias);
2559 
2560 /**
2561  * Set the target value of an alias.
2562  */
2563 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee);
2564 
2565 /**
2566  * @}
2567  */
2568 
2569 /**
2570  * @defgroup LLVMCCoreValueFunction Function values
2571  *
2572  * Functions in this group operate on LLVMValueRef instances that
2573  * correspond to llvm::Function instances.
2574  *
2575  * @see llvm::Function
2576  *
2577  * @{
2578  */
2579 
2580 /**
2581  * Remove a function from its containing module and deletes it.
2582  *
2583  * @see llvm::Function::eraseFromParent()
2584  */
2585 void LLVMDeleteFunction(LLVMValueRef Fn);
2586 
2587 /**
2588  * Check whether the given function has a personality function.
2589  *
2590  * @see llvm::Function::hasPersonalityFn()
2591  */
2592 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn);
2593 
2594 /**
2595  * Obtain the personality function attached to the function.
2596  *
2597  * @see llvm::Function::getPersonalityFn()
2598  */
2599 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn);
2600 
2601 /**
2602  * Set the personality function attached to the function.
2603  *
2604  * @see llvm::Function::setPersonalityFn()
2605  */
2606 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn);
2607 
2608 /**
2609  * Obtain the intrinsic ID number which matches the given function name.
2610  *
2611  * @see llvm::Function::lookupIntrinsicID()
2612  */
2613 unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen);
2614 
2615 /**
2616  * Obtain the ID number from a function instance.
2617  *
2618  * @see llvm::Function::getIntrinsicID()
2619  */
2620 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn);
2621 
2622 /**
2623  * Create or insert the declaration of an intrinsic.  For overloaded intrinsics,
2624  * parameter types must be provided to uniquely identify an overload.
2625  *
2626  * @see llvm::Intrinsic::getDeclaration()
2627  */
2628 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2629                                          unsigned ID,
2630                                          LLVMTypeRef *ParamTypes,
2631                                          size_t ParamCount);
2632 
2633 /**
2634  * Retrieves the type of an intrinsic.  For overloaded intrinsics, parameter
2635  * types must be provided to uniquely identify an overload.
2636  *
2637  * @see llvm::Intrinsic::getType()
2638  */
2639 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2640                                  LLVMTypeRef *ParamTypes, size_t ParamCount);
2641 
2642 /**
2643  * Retrieves the name of an intrinsic.
2644  *
2645  * @see llvm::Intrinsic::getName()
2646  */
2647 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength);
2648 
2649 /** Deprecated: Use LLVMIntrinsicCopyOverloadedName2 instead. */
2650 const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
2651                                             LLVMTypeRef *ParamTypes,
2652                                             size_t ParamCount,
2653                                             size_t *NameLength);
2654 
2655 /**
2656  * Copies the name of an overloaded intrinsic identified by a given list of
2657  * parameter types.
2658  *
2659  * Unlike LLVMIntrinsicGetName, the caller is responsible for freeing the
2660  * returned string.
2661  *
2662  * This version also supports unnamed types.
2663  *
2664  * @see llvm::Intrinsic::getName()
2665  */
2666 const char *LLVMIntrinsicCopyOverloadedName2(LLVMModuleRef Mod, unsigned ID,
2667                                              LLVMTypeRef *ParamTypes,
2668                                              size_t ParamCount,
2669                                              size_t *NameLength);
2670 
2671 /**
2672  * Obtain if the intrinsic identified by the given ID is overloaded.
2673  *
2674  * @see llvm::Intrinsic::isOverloaded()
2675  */
2676 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID);
2677 
2678 /**
2679  * Obtain the calling function of a function.
2680  *
2681  * The returned value corresponds to the LLVMCallConv enumeration.
2682  *
2683  * @see llvm::Function::getCallingConv()
2684  */
2685 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn);
2686 
2687 /**
2688  * Set the calling convention of a function.
2689  *
2690  * @see llvm::Function::setCallingConv()
2691  *
2692  * @param Fn Function to operate on
2693  * @param CC LLVMCallConv to set calling convention to
2694  */
2695 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC);
2696 
2697 /**
2698  * Obtain the name of the garbage collector to use during code
2699  * generation.
2700  *
2701  * @see llvm::Function::getGC()
2702  */
2703 const char *LLVMGetGC(LLVMValueRef Fn);
2704 
2705 /**
2706  * Define the garbage collector to use during code generation.
2707  *
2708  * @see llvm::Function::setGC()
2709  */
2710 void LLVMSetGC(LLVMValueRef Fn, const char *Name);
2711 
2712 /**
2713  * Add an attribute to a function.
2714  *
2715  * @see llvm::Function::addAttribute()
2716  */
2717 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2718                              LLVMAttributeRef A);
2719 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx);
2720 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2721                               LLVMAttributeRef *Attrs);
2722 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2723                                              LLVMAttributeIndex Idx,
2724                                              unsigned KindID);
2725 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2726                                                LLVMAttributeIndex Idx,
2727                                                const char *K, unsigned KLen);
2728 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2729                                     unsigned KindID);
2730 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2731                                       const char *K, unsigned KLen);
2732 
2733 /**
2734  * Add a target-dependent attribute to a function
2735  * @see llvm::AttrBuilder::addAttribute()
2736  */
2737 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2738                                         const char *V);
2739 
2740 /**
2741  * @defgroup LLVMCCoreValueFunctionParameters Function Parameters
2742  *
2743  * Functions in this group relate to arguments/parameters on functions.
2744  *
2745  * Functions in this group expect LLVMValueRef instances that correspond
2746  * to llvm::Function instances.
2747  *
2748  * @{
2749  */
2750 
2751 /**
2752  * Obtain the number of parameters in a function.
2753  *
2754  * @see llvm::Function::arg_size()
2755  */
2756 unsigned LLVMCountParams(LLVMValueRef Fn);
2757 
2758 /**
2759  * Obtain the parameters in a function.
2760  *
2761  * The takes a pointer to a pre-allocated array of LLVMValueRef that is
2762  * at least LLVMCountParams() long. This array will be filled with
2763  * LLVMValueRef instances which correspond to the parameters the
2764  * function receives. Each LLVMValueRef corresponds to a llvm::Argument
2765  * instance.
2766  *
2767  * @see llvm::Function::arg_begin()
2768  */
2769 void LLVMGetParams(LLVMValueRef Fn, LLVMValueRef *Params);
2770 
2771 /**
2772  * Obtain the parameter at the specified index.
2773  *
2774  * Parameters are indexed from 0.
2775  *
2776  * @see llvm::Function::arg_begin()
2777  */
2778 LLVMValueRef LLVMGetParam(LLVMValueRef Fn, unsigned Index);
2779 
2780 /**
2781  * Obtain the function to which this argument belongs.
2782  *
2783  * Unlike other functions in this group, this one takes an LLVMValueRef
2784  * that corresponds to a llvm::Attribute.
2785  *
2786  * The returned LLVMValueRef is the llvm::Function to which this
2787  * argument belongs.
2788  */
2789 LLVMValueRef LLVMGetParamParent(LLVMValueRef Inst);
2790 
2791 /**
2792  * Obtain the first parameter to a function.
2793  *
2794  * @see llvm::Function::arg_begin()
2795  */
2796 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn);
2797 
2798 /**
2799  * Obtain the last parameter to a function.
2800  *
2801  * @see llvm::Function::arg_end()
2802  */
2803 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn);
2804 
2805 /**
2806  * Obtain the next parameter to a function.
2807  *
2808  * This takes an LLVMValueRef obtained from LLVMGetFirstParam() (which is
2809  * actually a wrapped iterator) and obtains the next parameter from the
2810  * underlying iterator.
2811  */
2812 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg);
2813 
2814 /**
2815  * Obtain the previous parameter to a function.
2816  *
2817  * This is the opposite of LLVMGetNextParam().
2818  */
2819 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg);
2820 
2821 /**
2822  * Set the alignment for a function parameter.
2823  *
2824  * @see llvm::Argument::addAttr()
2825  * @see llvm::AttrBuilder::addAlignmentAttr()
2826  */
2827 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned Align);
2828 
2829 /**
2830  * @}
2831  */
2832 
2833 /**
2834  * @defgroup LLVMCCoreValueGlobalIFunc IFuncs
2835  *
2836  * Functions in this group relate to indirect functions.
2837  *
2838  * Functions in this group expect LLVMValueRef instances that correspond
2839  * to llvm::GlobalIFunc instances.
2840  *
2841  * @{
2842  */
2843 
2844 /**
2845  * Add a global indirect function to a module under a specified name.
2846  *
2847  * @see llvm::GlobalIFunc::create()
2848  */
2849 LLVMValueRef LLVMAddGlobalIFunc(LLVMModuleRef M,
2850                                 const char *Name, size_t NameLen,
2851                                 LLVMTypeRef Ty, unsigned AddrSpace,
2852                                 LLVMValueRef Resolver);
2853 
2854 /**
2855  * Obtain a GlobalIFunc value from a Module by its name.
2856  *
2857  * The returned value corresponds to a llvm::GlobalIFunc value.
2858  *
2859  * @see llvm::Module::getNamedIFunc()
2860  */
2861 LLVMValueRef LLVMGetNamedGlobalIFunc(LLVMModuleRef M,
2862                                      const char *Name, size_t NameLen);
2863 
2864 /**
2865  * Obtain an iterator to the first GlobalIFunc in a Module.
2866  *
2867  * @see llvm::Module::ifunc_begin()
2868  */
2869 LLVMValueRef LLVMGetFirstGlobalIFunc(LLVMModuleRef M);
2870 
2871 /**
2872  * Obtain an iterator to the last GlobalIFunc in a Module.
2873  *
2874  * @see llvm::Module::ifunc_end()
2875  */
2876 LLVMValueRef LLVMGetLastGlobalIFunc(LLVMModuleRef M);
2877 
2878 /**
2879  * Advance a GlobalIFunc iterator to the next GlobalIFunc.
2880  *
2881  * Returns NULL if the iterator was already at the end and there are no more
2882  * global aliases.
2883  */
2884 LLVMValueRef LLVMGetNextGlobalIFunc(LLVMValueRef IFunc);
2885 
2886 /**
2887  * Decrement a GlobalIFunc iterator to the previous GlobalIFunc.
2888  *
2889  * Returns NULL if the iterator was already at the beginning and there are
2890  * no previous global aliases.
2891  */
2892 LLVMValueRef LLVMGetPreviousGlobalIFunc(LLVMValueRef IFunc);
2893 
2894 /**
2895  * Retrieves the resolver function associated with this indirect function, or
2896  * NULL if it doesn't not exist.
2897  *
2898  * @see llvm::GlobalIFunc::getResolver()
2899  */
2900 LLVMValueRef LLVMGetGlobalIFuncResolver(LLVMValueRef IFunc);
2901 
2902 /**
2903  * Sets the resolver function associated with this indirect function.
2904  *
2905  * @see llvm::GlobalIFunc::setResolver()
2906  */
2907 void LLVMSetGlobalIFuncResolver(LLVMValueRef IFunc, LLVMValueRef Resolver);
2908 
2909 /**
2910  * Remove a global indirect function from its parent module and delete it.
2911  *
2912  * @see llvm::GlobalIFunc::eraseFromParent()
2913  */
2914 void LLVMEraseGlobalIFunc(LLVMValueRef IFunc);
2915 
2916 /**
2917  * Remove a global indirect function from its parent module.
2918  *
2919  * This unlinks the global indirect function from its containing module but
2920  * keeps it alive.
2921  *
2922  * @see llvm::GlobalIFunc::removeFromParent()
2923  */
2924 void LLVMRemoveGlobalIFunc(LLVMValueRef IFunc);
2925 
2926 /**
2927  * @}
2928  */
2929 
2930 /**
2931  * @}
2932  */
2933 
2934 /**
2935  * @}
2936  */
2937 
2938 /**
2939  * @}
2940  */
2941 
2942 /**
2943  * @defgroup LLVMCCoreValueMetadata Metadata
2944  *
2945  * @{
2946  */
2947 
2948 /**
2949  * Create an MDString value from a given string value.
2950  *
2951  * The MDString value does not take ownership of the given string, it remains
2952  * the responsibility of the caller to free it.
2953  *
2954  * @see llvm::MDString::get()
2955  */
2956 LLVMMetadataRef LLVMMDStringInContext2(LLVMContextRef C, const char *Str,
2957                                        size_t SLen);
2958 
2959 /**
2960  * Create an MDNode value with the given array of operands.
2961  *
2962  * @see llvm::MDNode::get()
2963  */
2964 LLVMMetadataRef LLVMMDNodeInContext2(LLVMContextRef C, LLVMMetadataRef *MDs,
2965                                      size_t Count);
2966 
2967 /**
2968  * Obtain a Metadata as a Value.
2969  */
2970 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD);
2971 
2972 /**
2973  * Obtain a Value as a Metadata.
2974  */
2975 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val);
2976 
2977 /**
2978  * Obtain the underlying string from a MDString value.
2979  *
2980  * @param V Instance to obtain string from.
2981  * @param Length Memory address which will hold length of returned string.
2982  * @return String data in MDString.
2983  */
2984 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length);
2985 
2986 /**
2987  * Obtain the number of operands from an MDNode value.
2988  *
2989  * @param V MDNode to get number of operands from.
2990  * @return Number of operands of the MDNode.
2991  */
2992 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V);
2993 
2994 /**
2995  * Obtain the given MDNode's operands.
2996  *
2997  * The passed LLVMValueRef pointer should point to enough memory to hold all of
2998  * the operands of the given MDNode (see LLVMGetMDNodeNumOperands) as
2999  * LLVMValueRefs. This memory will be populated with the LLVMValueRefs of the
3000  * MDNode's operands.
3001  *
3002  * @param V MDNode to get the operands from.
3003  * @param Dest Destination array for operands.
3004  */
3005 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest);
3006 
3007 /**
3008  * Replace an operand at a specific index in a llvm::MDNode value.
3009  *
3010  * @see llvm::MDNode::replaceOperandWith()
3011  */
3012 void LLVMReplaceMDNodeOperandWith(LLVMValueRef V, unsigned Index,
3013                                   LLVMMetadataRef Replacement);
3014 
3015 /** Deprecated: Use LLVMMDStringInContext2 instead. */
3016 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
3017                                    unsigned SLen);
3018 /** Deprecated: Use LLVMMDStringInContext2 instead. */
3019 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen);
3020 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
3021 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
3022                                  unsigned Count);
3023 /** Deprecated: Use LLVMMDNodeInContext2 instead. */
3024 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count);
3025 
3026 /**
3027  * @}
3028  */
3029 
3030 /**
3031  * @defgroup LLVMCCoreOperandBundle Operand Bundles
3032  *
3033  * Functions in this group operate on LLVMOperandBundleRef instances that
3034  * correspond to llvm::OperandBundleDef instances.
3035  *
3036  * @see llvm::OperandBundleDef
3037  *
3038  * @{
3039  */
3040 
3041 /**
3042  * Create a new operand bundle.
3043  *
3044  * Every invocation should be paired with LLVMDisposeOperandBundle() or memory
3045  * will be leaked.
3046  *
3047  * @param Tag Tag name of the operand bundle
3048  * @param TagLen Length of Tag
3049  * @param Args Memory address of an array of bundle operands
3050  * @param NumArgs Length of Args
3051  */
3052 LLVMOperandBundleRef LLVMCreateOperandBundle(const char *Tag, size_t TagLen,
3053                                              LLVMValueRef *Args,
3054                                              unsigned NumArgs);
3055 
3056 /**
3057  * Destroy an operand bundle.
3058  *
3059  * This must be called for every created operand bundle or memory will be
3060  * leaked.
3061  */
3062 void LLVMDisposeOperandBundle(LLVMOperandBundleRef Bundle);
3063 
3064 /**
3065  * Obtain the tag of an operand bundle as a string.
3066  *
3067  * @param Bundle Operand bundle to obtain tag of.
3068  * @param Len Out parameter which holds the length of the returned string.
3069  * @return The tag name of Bundle.
3070  * @see OperandBundleDef::getTag()
3071  */
3072 const char *LLVMGetOperandBundleTag(LLVMOperandBundleRef Bundle, size_t *Len);
3073 
3074 /**
3075  * Obtain the number of operands for an operand bundle.
3076  *
3077  * @param Bundle Operand bundle to obtain operand count of.
3078  * @return The number of operands.
3079  * @see OperandBundleDef::input_size()
3080  */
3081 unsigned LLVMGetNumOperandBundleArgs(LLVMOperandBundleRef Bundle);
3082 
3083 /**
3084  * Obtain the operand for an operand bundle at the given index.
3085  *
3086  * @param Bundle Operand bundle to obtain operand of.
3087  * @param Index An operand index, must be less than
3088  * LLVMGetNumOperandBundleArgs().
3089  * @return The operand.
3090  */
3091 LLVMValueRef LLVMGetOperandBundleArgAtIndex(LLVMOperandBundleRef Bundle,
3092                                             unsigned Index);
3093 
3094 /**
3095  * @}
3096  */
3097 
3098 /**
3099  * @defgroup LLVMCCoreValueBasicBlock Basic Block
3100  *
3101  * A basic block represents a single entry single exit section of code.
3102  * Basic blocks contain a list of instructions which form the body of
3103  * the block.
3104  *
3105  * Basic blocks belong to functions. They have the type of label.
3106  *
3107  * Basic blocks are themselves values. However, the C API models them as
3108  * LLVMBasicBlockRef.
3109  *
3110  * @see llvm::BasicBlock
3111  *
3112  * @{
3113  */
3114 
3115 /**
3116  * Convert a basic block instance to a value type.
3117  */
3118 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB);
3119 
3120 /**
3121  * Determine whether an LLVMValueRef is itself a basic block.
3122  */
3123 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val);
3124 
3125 /**
3126  * Convert an LLVMValueRef to an LLVMBasicBlockRef instance.
3127  */
3128 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val);
3129 
3130 /**
3131  * Obtain the string name of a basic block.
3132  */
3133 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB);
3134 
3135 /**
3136  * Obtain the function to which a basic block belongs.
3137  *
3138  * @see llvm::BasicBlock::getParent()
3139  */
3140 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB);
3141 
3142 /**
3143  * Obtain the terminator instruction for a basic block.
3144  *
3145  * If the basic block does not have a terminator (it is not well-formed
3146  * if it doesn't), then NULL is returned.
3147  *
3148  * The returned LLVMValueRef corresponds to an llvm::Instruction.
3149  *
3150  * @see llvm::BasicBlock::getTerminator()
3151  */
3152 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB);
3153 
3154 /**
3155  * Obtain the number of basic blocks in a function.
3156  *
3157  * @param Fn Function value to operate on.
3158  */
3159 unsigned LLVMCountBasicBlocks(LLVMValueRef Fn);
3160 
3161 /**
3162  * Obtain all of the basic blocks in a function.
3163  *
3164  * This operates on a function value. The BasicBlocks parameter is a
3165  * pointer to a pre-allocated array of LLVMBasicBlockRef of at least
3166  * LLVMCountBasicBlocks() in length. This array is populated with
3167  * LLVMBasicBlockRef instances.
3168  */
3169 void LLVMGetBasicBlocks(LLVMValueRef Fn, LLVMBasicBlockRef *BasicBlocks);
3170 
3171 /**
3172  * Obtain the first basic block in a function.
3173  *
3174  * The returned basic block can be used as an iterator. You will likely
3175  * eventually call into LLVMGetNextBasicBlock() with it.
3176  *
3177  * @see llvm::Function::begin()
3178  */
3179 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn);
3180 
3181 /**
3182  * Obtain the last basic block in a function.
3183  *
3184  * @see llvm::Function::end()
3185  */
3186 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn);
3187 
3188 /**
3189  * Advance a basic block iterator.
3190  */
3191 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB);
3192 
3193 /**
3194  * Go backwards in a basic block iterator.
3195  */
3196 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB);
3197 
3198 /**
3199  * Obtain the basic block that corresponds to the entry point of a
3200  * function.
3201  *
3202  * @see llvm::Function::getEntryBlock()
3203  */
3204 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn);
3205 
3206 /**
3207  * Insert the given basic block after the insertion point of the given builder.
3208  *
3209  * The insertion point must be valid.
3210  *
3211  * @see llvm::Function::BasicBlockListType::insertAfter()
3212  */
3213 void LLVMInsertExistingBasicBlockAfterInsertBlock(LLVMBuilderRef Builder,
3214                                                   LLVMBasicBlockRef BB);
3215 
3216 /**
3217  * Append the given basic block to the basic block list of the given function.
3218  *
3219  * @see llvm::Function::BasicBlockListType::push_back()
3220  */
3221 void LLVMAppendExistingBasicBlock(LLVMValueRef Fn,
3222                                   LLVMBasicBlockRef BB);
3223 
3224 /**
3225  * Create a new basic block without inserting it into a function.
3226  *
3227  * @see llvm::BasicBlock::Create()
3228  */
3229 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
3230                                                 const char *Name);
3231 
3232 /**
3233  * Append a basic block to the end of a function.
3234  *
3235  * @see llvm::BasicBlock::Create()
3236  */
3237 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
3238                                                 LLVMValueRef Fn,
3239                                                 const char *Name);
3240 
3241 /**
3242  * Append a basic block to the end of a function using the global
3243  * context.
3244  *
3245  * @see llvm::BasicBlock::Create()
3246  */
3247 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef Fn, const char *Name);
3248 
3249 /**
3250  * Insert a basic block in a function before another basic block.
3251  *
3252  * The function to add to is determined by the function of the
3253  * passed basic block.
3254  *
3255  * @see llvm::BasicBlock::Create()
3256  */
3257 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
3258                                                 LLVMBasicBlockRef BB,
3259                                                 const char *Name);
3260 
3261 /**
3262  * Insert a basic block in a function using the global context.
3263  *
3264  * @see llvm::BasicBlock::Create()
3265  */
3266 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef InsertBeforeBB,
3267                                        const char *Name);
3268 
3269 /**
3270  * Remove a basic block from a function and delete it.
3271  *
3272  * This deletes the basic block from its containing function and deletes
3273  * the basic block itself.
3274  *
3275  * @see llvm::BasicBlock::eraseFromParent()
3276  */
3277 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BB);
3278 
3279 /**
3280  * Remove a basic block from a function.
3281  *
3282  * This deletes the basic block from its containing function but keep
3283  * the basic block alive.
3284  *
3285  * @see llvm::BasicBlock::removeFromParent()
3286  */
3287 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BB);
3288 
3289 /**
3290  * Move a basic block to before another one.
3291  *
3292  * @see llvm::BasicBlock::moveBefore()
3293  */
3294 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3295 
3296 /**
3297  * Move a basic block to after another one.
3298  *
3299  * @see llvm::BasicBlock::moveAfter()
3300  */
3301 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos);
3302 
3303 /**
3304  * Obtain the first instruction in a basic block.
3305  *
3306  * The returned LLVMValueRef corresponds to a llvm::Instruction
3307  * instance.
3308  */
3309 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB);
3310 
3311 /**
3312  * Obtain the last instruction in a basic block.
3313  *
3314  * The returned LLVMValueRef corresponds to an LLVM:Instruction.
3315  */
3316 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB);
3317 
3318 /**
3319  * @}
3320  */
3321 
3322 /**
3323  * @defgroup LLVMCCoreValueInstruction Instructions
3324  *
3325  * Functions in this group relate to the inspection and manipulation of
3326  * individual instructions.
3327  *
3328  * In the C++ API, an instruction is modeled by llvm::Instruction. This
3329  * class has a large number of descendents. llvm::Instruction is a
3330  * llvm::Value and in the C API, instructions are modeled by
3331  * LLVMValueRef.
3332  *
3333  * This group also contains sub-groups which operate on specific
3334  * llvm::Instruction types, e.g. llvm::CallInst.
3335  *
3336  * @{
3337  */
3338 
3339 /**
3340  * Determine whether an instruction has any metadata attached.
3341  */
3342 int LLVMHasMetadata(LLVMValueRef Val);
3343 
3344 /**
3345  * Return metadata associated with an instruction value.
3346  */
3347 LLVMValueRef LLVMGetMetadata(LLVMValueRef Val, unsigned KindID);
3348 
3349 /**
3350  * Set metadata associated with an instruction value.
3351  */
3352 void LLVMSetMetadata(LLVMValueRef Val, unsigned KindID, LLVMValueRef Node);
3353 
3354 /**
3355  * Returns the metadata associated with an instruction value, but filters out
3356  * all the debug locations.
3357  *
3358  * @see llvm::Instruction::getAllMetadataOtherThanDebugLoc()
3359  */
3360 LLVMValueMetadataEntry *
3361 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Instr,
3362                                                size_t *NumEntries);
3363 
3364 /**
3365  * Obtain the basic block to which an instruction belongs.
3366  *
3367  * @see llvm::Instruction::getParent()
3368  */
3369 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst);
3370 
3371 /**
3372  * Obtain the instruction that occurs after the one specified.
3373  *
3374  * The next instruction will be from the same basic block.
3375  *
3376  * If this is the last instruction in a basic block, NULL will be
3377  * returned.
3378  */
3379 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst);
3380 
3381 /**
3382  * Obtain the instruction that occurred before this one.
3383  *
3384  * If the instruction is the first instruction in a basic block, NULL
3385  * will be returned.
3386  */
3387 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst);
3388 
3389 /**
3390  * Remove an instruction.
3391  *
3392  * The instruction specified is removed from its containing building
3393  * block but is kept alive.
3394  *
3395  * @see llvm::Instruction::removeFromParent()
3396  */
3397 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst);
3398 
3399 /**
3400  * Remove and delete an instruction.
3401  *
3402  * The instruction specified is removed from its containing building
3403  * block and then deleted.
3404  *
3405  * @see llvm::Instruction::eraseFromParent()
3406  */
3407 void LLVMInstructionEraseFromParent(LLVMValueRef Inst);
3408 
3409 /**
3410  * Delete an instruction.
3411  *
3412  * The instruction specified is deleted. It must have previously been
3413  * removed from its containing building block.
3414  *
3415  * @see llvm::Value::deleteValue()
3416  */
3417 void LLVMDeleteInstruction(LLVMValueRef Inst);
3418 
3419 /**
3420  * Obtain the code opcode for an individual instruction.
3421  *
3422  * @see llvm::Instruction::getOpCode()
3423  */
3424 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst);
3425 
3426 /**
3427  * Obtain the predicate of an instruction.
3428  *
3429  * This is only valid for instructions that correspond to llvm::ICmpInst
3430  * or llvm::ConstantExpr whose opcode is llvm::Instruction::ICmp.
3431  *
3432  * @see llvm::ICmpInst::getPredicate()
3433  */
3434 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst);
3435 
3436 /**
3437  * Obtain the float predicate of an instruction.
3438  *
3439  * This is only valid for instructions that correspond to llvm::FCmpInst
3440  * or llvm::ConstantExpr whose opcode is llvm::Instruction::FCmp.
3441  *
3442  * @see llvm::FCmpInst::getPredicate()
3443  */
3444 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst);
3445 
3446 /**
3447  * Create a copy of 'this' instruction that is identical in all ways
3448  * except the following:
3449  *   * The instruction has no parent
3450  *   * The instruction has no name
3451  *
3452  * @see llvm::Instruction::clone()
3453  */
3454 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst);
3455 
3456 /**
3457  * Determine whether an instruction is a terminator. This routine is named to
3458  * be compatible with historical functions that did this by querying the
3459  * underlying C++ type.
3460  *
3461  * @see llvm::Instruction::isTerminator()
3462  */
3463 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst);
3464 
3465 /**
3466  * @defgroup LLVMCCoreValueInstructionCall Call Sites and Invocations
3467  *
3468  * Functions in this group apply to instructions that refer to call
3469  * sites and invocations. These correspond to C++ types in the
3470  * llvm::CallInst class tree.
3471  *
3472  * @{
3473  */
3474 
3475 /**
3476  * Obtain the argument count for a call instruction.
3477  *
3478  * This expects an LLVMValueRef that corresponds to a llvm::CallInst,
3479  * llvm::InvokeInst, or llvm:FuncletPadInst.
3480  *
3481  * @see llvm::CallInst::getNumArgOperands()
3482  * @see llvm::InvokeInst::getNumArgOperands()
3483  * @see llvm::FuncletPadInst::getNumArgOperands()
3484  */
3485 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr);
3486 
3487 /**
3488  * Set the calling convention for a call instruction.
3489  *
3490  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3491  * llvm::InvokeInst.
3492  *
3493  * @see llvm::CallInst::setCallingConv()
3494  * @see llvm::InvokeInst::setCallingConv()
3495  */
3496 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC);
3497 
3498 /**
3499  * Obtain the calling convention for a call instruction.
3500  *
3501  * This is the opposite of LLVMSetInstructionCallConv(). Reads its
3502  * usage.
3503  *
3504  * @see LLVMSetInstructionCallConv()
3505  */
3506 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr);
3507 
3508 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, LLVMAttributeIndex Idx,
3509                                 unsigned Align);
3510 
3511 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3512                               LLVMAttributeRef A);
3513 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C, LLVMAttributeIndex Idx);
3514 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
3515                                LLVMAttributeRef *Attrs);
3516 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
3517                                               LLVMAttributeIndex Idx,
3518                                               unsigned KindID);
3519 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
3520                                                 LLVMAttributeIndex Idx,
3521                                                 const char *K, unsigned KLen);
3522 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3523                                      unsigned KindID);
3524 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3525                                        const char *K, unsigned KLen);
3526 
3527 /**
3528  * Obtain the function type called by this instruction.
3529  *
3530  * @see llvm::CallBase::getFunctionType()
3531  */
3532 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef C);
3533 
3534 /**
3535  * Obtain the pointer to the function invoked by this instruction.
3536  *
3537  * This expects an LLVMValueRef that corresponds to a llvm::CallInst or
3538  * llvm::InvokeInst.
3539  *
3540  * @see llvm::CallInst::getCalledOperand()
3541  * @see llvm::InvokeInst::getCalledOperand()
3542  */
3543 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr);
3544 
3545 /**
3546  * Obtain the number of operand bundles attached to this instruction.
3547  *
3548  * This only works on llvm::CallInst and llvm::InvokeInst instructions.
3549  *
3550  * @see llvm::CallBase::getNumOperandBundles()
3551  */
3552 unsigned LLVMGetNumOperandBundles(LLVMValueRef C);
3553 
3554 /**
3555  * Obtain the operand bundle attached to this instruction at the given index.
3556  * Use LLVMDisposeOperandBundle to free the operand bundle.
3557  *
3558  * This only works on llvm::CallInst and llvm::InvokeInst instructions.
3559  */
3560 LLVMOperandBundleRef LLVMGetOperandBundleAtIndex(LLVMValueRef C,
3561                                                  unsigned Index);
3562 
3563 /**
3564  * Obtain whether a call instruction is a tail call.
3565  *
3566  * This only works on llvm::CallInst instructions.
3567  *
3568  * @see llvm::CallInst::isTailCall()
3569  */
3570 LLVMBool LLVMIsTailCall(LLVMValueRef CallInst);
3571 
3572 /**
3573  * Set whether a call instruction is a tail call.
3574  *
3575  * This only works on llvm::CallInst instructions.
3576  *
3577  * @see llvm::CallInst::setTailCall()
3578  */
3579 void LLVMSetTailCall(LLVMValueRef CallInst, LLVMBool IsTailCall);
3580 
3581 /**
3582  * Obtain a tail call kind of the call instruction.
3583  *
3584  * @see llvm::CallInst::setTailCallKind()
3585  */
3586 LLVMTailCallKind LLVMGetTailCallKind(LLVMValueRef CallInst);
3587 
3588 /**
3589  * Set the call kind of the call instruction.
3590  *
3591  * @see llvm::CallInst::getTailCallKind()
3592  */
3593 void LLVMSetTailCallKind(LLVMValueRef CallInst, LLVMTailCallKind kind);
3594 
3595 /**
3596  * Return the normal destination basic block.
3597  *
3598  * This only works on llvm::InvokeInst instructions.
3599  *
3600  * @see llvm::InvokeInst::getNormalDest()
3601  */
3602 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef InvokeInst);
3603 
3604 /**
3605  * Return the unwind destination basic block.
3606  *
3607  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3608  * llvm::CatchSwitchInst instructions.
3609  *
3610  * @see llvm::InvokeInst::getUnwindDest()
3611  * @see llvm::CleanupReturnInst::getUnwindDest()
3612  * @see llvm::CatchSwitchInst::getUnwindDest()
3613  */
3614 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef InvokeInst);
3615 
3616 /**
3617  * Set the normal destination basic block.
3618  *
3619  * This only works on llvm::InvokeInst instructions.
3620  *
3621  * @see llvm::InvokeInst::setNormalDest()
3622  */
3623 void LLVMSetNormalDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3624 
3625 /**
3626  * Set the unwind destination basic block.
3627  *
3628  * Works on llvm::InvokeInst, llvm::CleanupReturnInst, and
3629  * llvm::CatchSwitchInst instructions.
3630  *
3631  * @see llvm::InvokeInst::setUnwindDest()
3632  * @see llvm::CleanupReturnInst::setUnwindDest()
3633  * @see llvm::CatchSwitchInst::setUnwindDest()
3634  */
3635 void LLVMSetUnwindDest(LLVMValueRef InvokeInst, LLVMBasicBlockRef B);
3636 
3637 /**
3638  * @}
3639  */
3640 
3641 /**
3642  * @defgroup LLVMCCoreValueInstructionTerminator Terminators
3643  *
3644  * Functions in this group only apply to instructions for which
3645  * LLVMIsATerminatorInst returns true.
3646  *
3647  * @{
3648  */
3649 
3650 /**
3651  * Return the number of successors that this terminator has.
3652  *
3653  * @see llvm::Instruction::getNumSuccessors
3654  */
3655 unsigned LLVMGetNumSuccessors(LLVMValueRef Term);
3656 
3657 /**
3658  * Return the specified successor.
3659  *
3660  * @see llvm::Instruction::getSuccessor
3661  */
3662 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i);
3663 
3664 /**
3665  * Update the specified successor to point at the provided block.
3666  *
3667  * @see llvm::Instruction::setSuccessor
3668  */
3669 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block);
3670 
3671 /**
3672  * Return if a branch is conditional.
3673  *
3674  * This only works on llvm::BranchInst instructions.
3675  *
3676  * @see llvm::BranchInst::isConditional
3677  */
3678 LLVMBool LLVMIsConditional(LLVMValueRef Branch);
3679 
3680 /**
3681  * Return the condition of a branch instruction.
3682  *
3683  * This only works on llvm::BranchInst instructions.
3684  *
3685  * @see llvm::BranchInst::getCondition
3686  */
3687 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch);
3688 
3689 /**
3690  * Set the condition of a branch instruction.
3691  *
3692  * This only works on llvm::BranchInst instructions.
3693  *
3694  * @see llvm::BranchInst::setCondition
3695  */
3696 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond);
3697 
3698 /**
3699  * Obtain the default destination basic block of a switch instruction.
3700  *
3701  * This only works on llvm::SwitchInst instructions.
3702  *
3703  * @see llvm::SwitchInst::getDefaultDest()
3704  */
3705 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef SwitchInstr);
3706 
3707 /**
3708  * @}
3709  */
3710 
3711 /**
3712  * @defgroup LLVMCCoreValueInstructionAlloca Allocas
3713  *
3714  * Functions in this group only apply to instructions that map to
3715  * llvm::AllocaInst instances.
3716  *
3717  * @{
3718  */
3719 
3720 /**
3721  * Obtain the type that is being allocated by the alloca instruction.
3722  */
3723 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca);
3724 
3725 /**
3726  * @}
3727  */
3728 
3729 /**
3730  * @defgroup LLVMCCoreValueInstructionGetElementPointer GEPs
3731  *
3732  * Functions in this group only apply to instructions that map to
3733  * llvm::GetElementPtrInst instances.
3734  *
3735  * @{
3736  */
3737 
3738 /**
3739  * Check whether the given GEP operator is inbounds.
3740  */
3741 LLVMBool LLVMIsInBounds(LLVMValueRef GEP);
3742 
3743 /**
3744  * Set the given GEP instruction to be inbounds or not.
3745  */
3746 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds);
3747 
3748 /**
3749  * Get the source element type of the given GEP operator.
3750  */
3751 LLVMTypeRef LLVMGetGEPSourceElementType(LLVMValueRef GEP);
3752 
3753 /**
3754  * @}
3755  */
3756 
3757 /**
3758  * @defgroup LLVMCCoreValueInstructionPHINode PHI Nodes
3759  *
3760  * Functions in this group only apply to instructions that map to
3761  * llvm::PHINode instances.
3762  *
3763  * @{
3764  */
3765 
3766 /**
3767  * Add an incoming value to the end of a PHI list.
3768  */
3769 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3770                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count);
3771 
3772 /**
3773  * Obtain the number of incoming basic blocks to a PHI node.
3774  */
3775 unsigned LLVMCountIncoming(LLVMValueRef PhiNode);
3776 
3777 /**
3778  * Obtain an incoming value to a PHI node as an LLVMValueRef.
3779  */
3780 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index);
3781 
3782 /**
3783  * Obtain an incoming value to a PHI node as an LLVMBasicBlockRef.
3784  */
3785 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index);
3786 
3787 /**
3788  * @}
3789  */
3790 
3791 /**
3792  * @defgroup LLVMCCoreValueInstructionExtractValue ExtractValue
3793  * @defgroup LLVMCCoreValueInstructionInsertValue InsertValue
3794  *
3795  * Functions in this group only apply to instructions that map to
3796  * llvm::ExtractValue and llvm::InsertValue instances.
3797  *
3798  * @{
3799  */
3800 
3801 /**
3802  * Obtain the number of indices.
3803  * NB: This also works on GEP operators.
3804  */
3805 unsigned LLVMGetNumIndices(LLVMValueRef Inst);
3806 
3807 /**
3808  * Obtain the indices as an array.
3809  */
3810 const unsigned *LLVMGetIndices(LLVMValueRef Inst);
3811 
3812 /**
3813  * @}
3814  */
3815 
3816 /**
3817  * @}
3818  */
3819 
3820 /**
3821  * @}
3822  */
3823 
3824 /**
3825  * @defgroup LLVMCCoreInstructionBuilder Instruction Builders
3826  *
3827  * An instruction builder represents a point within a basic block and is
3828  * the exclusive means of building instructions using the C interface.
3829  *
3830  * @{
3831  */
3832 
3833 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C);
3834 LLVMBuilderRef LLVMCreateBuilder(void);
3835 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3836                          LLVMValueRef Instr);
3837 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr);
3838 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block);
3839 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder);
3840 void LLVMClearInsertionPosition(LLVMBuilderRef Builder);
3841 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr);
3842 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3843                                    const char *Name);
3844 void LLVMDisposeBuilder(LLVMBuilderRef Builder);
3845 
3846 /* Metadata */
3847 
3848 /**
3849  * Get location information used by debugging information.
3850  *
3851  * @see llvm::IRBuilder::getCurrentDebugLocation()
3852  */
3853 LLVMMetadataRef LLVMGetCurrentDebugLocation2(LLVMBuilderRef Builder);
3854 
3855 /**
3856  * Set location information used by debugging information.
3857  *
3858  * To clear the location metadata of the given instruction, pass NULL to \p Loc.
3859  *
3860  * @see llvm::IRBuilder::SetCurrentDebugLocation()
3861  */
3862 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Builder, LLVMMetadataRef Loc);
3863 
3864 /**
3865  * Attempts to set the debug location for the given instruction using the
3866  * current debug location for the given builder.  If the builder has no current
3867  * debug location, this function is a no-op.
3868  *
3869  * @deprecated LLVMSetInstDebugLocation is deprecated in favor of the more general
3870  *             LLVMAddMetadataToInst.
3871  *
3872  * @see llvm::IRBuilder::SetInstDebugLocation()
3873  */
3874 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst);
3875 
3876 /**
3877  * Adds the metadata registered with the given builder to the given instruction.
3878  *
3879  * @see llvm::IRBuilder::AddMetadataToInst()
3880  */
3881 void LLVMAddMetadataToInst(LLVMBuilderRef Builder, LLVMValueRef Inst);
3882 
3883 /**
3884  * Get the dafult floating-point math metadata for a given builder.
3885  *
3886  * @see llvm::IRBuilder::getDefaultFPMathTag()
3887  */
3888 LLVMMetadataRef LLVMBuilderGetDefaultFPMathTag(LLVMBuilderRef Builder);
3889 
3890 /**
3891  * Set the default floating-point math metadata for the given builder.
3892  *
3893  * To clear the metadata, pass NULL to \p FPMathTag.
3894  *
3895  * @see llvm::IRBuilder::setDefaultFPMathTag()
3896  */
3897 void LLVMBuilderSetDefaultFPMathTag(LLVMBuilderRef Builder,
3898                                     LLVMMetadataRef FPMathTag);
3899 
3900 /**
3901  * Deprecated: Passing the NULL location will crash.
3902  * Use LLVMGetCurrentDebugLocation2 instead.
3903  */
3904 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L);
3905 /**
3906  * Deprecated: Returning the NULL location will crash.
3907  * Use LLVMGetCurrentDebugLocation2 instead.
3908  */
3909 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder);
3910 
3911 /* Terminators */
3912 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef);
3913 LLVMValueRef LLVMBuildRet(LLVMBuilderRef, LLVMValueRef V);
3914 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef, LLVMValueRef *RetVals,
3915                                    unsigned N);
3916 LLVMValueRef LLVMBuildBr(LLVMBuilderRef, LLVMBasicBlockRef Dest);
3917 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef, LLVMValueRef If,
3918                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else);
3919 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef, LLVMValueRef V,
3920                              LLVMBasicBlockRef Else, unsigned NumCases);
3921 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3922                                  unsigned NumDests);
3923 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef, LLVMTypeRef Ty, LLVMValueRef Fn,
3924                               LLVMValueRef *Args, unsigned NumArgs,
3925                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3926                               const char *Name);
3927 LLVMValueRef LLVMBuildInvokeWithOperandBundles(
3928     LLVMBuilderRef, LLVMTypeRef Ty, LLVMValueRef Fn, LLVMValueRef *Args,
3929     unsigned NumArgs, LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3930     LLVMOperandBundleRef *Bundles, unsigned NumBundles, const char *Name);
3931 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef);
3932 
3933 /* Exception Handling */
3934 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn);
3935 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3936                                  LLVMValueRef PersFn, unsigned NumClauses,
3937                                  const char *Name);
3938 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3939                                  LLVMBasicBlockRef BB);
3940 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3941                                LLVMBasicBlockRef BB);
3942 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3943                                LLVMValueRef *Args, unsigned NumArgs,
3944                                const char *Name);
3945 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3946                                  LLVMValueRef *Args, unsigned NumArgs,
3947                                  const char *Name);
3948 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3949                                   LLVMBasicBlockRef UnwindBB,
3950                                   unsigned NumHandlers, const char *Name);
3951 
3952 /* Add a case to the switch instruction */
3953 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3954                  LLVMBasicBlockRef Dest);
3955 
3956 /* Add a destination to the indirectbr instruction */
3957 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest);
3958 
3959 /* Get the number of clauses on the landingpad instruction */
3960 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad);
3961 
3962 /* Get the value of the clause at index Idx on the landingpad instruction */
3963 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx);
3964 
3965 /* Add a catch or filter clause to the landingpad instruction */
3966 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal);
3967 
3968 /* Get the 'cleanup' flag in the landingpad instruction */
3969 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad);
3970 
3971 /* Set the 'cleanup' flag in the landingpad instruction */
3972 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val);
3973 
3974 /* Add a destination to the catchswitch instruction */
3975 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest);
3976 
3977 /* Get the number of handlers on the catchswitch instruction */
3978 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch);
3979 
3980 /**
3981  * Obtain the basic blocks acting as handlers for a catchswitch instruction.
3982  *
3983  * The Handlers parameter should point to a pre-allocated array of
3984  * LLVMBasicBlockRefs at least LLVMGetNumHandlers() large. On return, the
3985  * first LLVMGetNumHandlers() entries in the array will be populated
3986  * with LLVMBasicBlockRef instances.
3987  *
3988  * @param CatchSwitch The catchswitch instruction to operate on.
3989  * @param Handlers Memory address of an array to be filled with basic blocks.
3990  */
3991 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers);
3992 
3993 /* Funclets */
3994 
3995 /* Get the number of funcletpad arguments. */
3996 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i);
3997 
3998 /* Set a funcletpad argument at the given index. */
3999 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value);
4000 
4001 /**
4002  * Get the parent catchswitch instruction of a catchpad instruction.
4003  *
4004  * This only works on llvm::CatchPadInst instructions.
4005  *
4006  * @see llvm::CatchPadInst::getCatchSwitch()
4007  */
4008 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad);
4009 
4010 /**
4011  * Set the parent catchswitch instruction of a catchpad instruction.
4012  *
4013  * This only works on llvm::CatchPadInst instructions.
4014  *
4015  * @see llvm::CatchPadInst::setCatchSwitch()
4016  */
4017 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch);
4018 
4019 /* Arithmetic */
4020 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4021                           const char *Name);
4022 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4023                              const char *Name);
4024 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4025                              const char *Name);
4026 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4027                            const char *Name);
4028 LLVMValueRef LLVMBuildSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4029                           const char *Name);
4030 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4031                              const char *Name);
4032 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4033                              const char *Name);
4034 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4035                            const char *Name);
4036 LLVMValueRef LLVMBuildMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4037                           const char *Name);
4038 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4039                              const char *Name);
4040 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4041                              const char *Name);
4042 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4043                            const char *Name);
4044 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4045                            const char *Name);
4046 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4047                                 const char *Name);
4048 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4049                            const char *Name);
4050 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4051                                 const char *Name);
4052 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4053                            const char *Name);
4054 LLVMValueRef LLVMBuildURem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4055                            const char *Name);
4056 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4057                            const char *Name);
4058 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4059                            const char *Name);
4060 LLVMValueRef LLVMBuildShl(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4061                            const char *Name);
4062 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4063                            const char *Name);
4064 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4065                            const char *Name);
4066 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4067                           const char *Name);
4068 LLVMValueRef LLVMBuildOr(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4069                           const char *Name);
4070 LLVMValueRef LLVMBuildXor(LLVMBuilderRef, LLVMValueRef LHS, LLVMValueRef RHS,
4071                           const char *Name);
4072 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
4073                             LLVMValueRef LHS, LLVMValueRef RHS,
4074                             const char *Name);
4075 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
4076 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
4077                              const char *Name);
4078 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
4079                              const char *Name);
4080 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef, LLVMValueRef V, const char *Name);
4081 LLVMValueRef LLVMBuildNot(LLVMBuilderRef, LLVMValueRef V, const char *Name);
4082 
4083 LLVMBool LLVMGetNUW(LLVMValueRef ArithInst);
4084 void LLVMSetNUW(LLVMValueRef ArithInst, LLVMBool HasNUW);
4085 LLVMBool LLVMGetNSW(LLVMValueRef ArithInst);
4086 void LLVMSetNSW(LLVMValueRef ArithInst, LLVMBool HasNSW);
4087 LLVMBool LLVMGetExact(LLVMValueRef DivOrShrInst);
4088 void LLVMSetExact(LLVMValueRef DivOrShrInst, LLVMBool IsExact);
4089 
4090 /**
4091  * Gets if the instruction has the non-negative flag set.
4092  * Only valid for zext instructions.
4093  */
4094 LLVMBool LLVMGetNNeg(LLVMValueRef NonNegInst);
4095 /**
4096  * Sets the non-negative flag for the instruction.
4097  * Only valid for zext instructions.
4098  */
4099 void LLVMSetNNeg(LLVMValueRef NonNegInst, LLVMBool IsNonNeg);
4100 
4101 /**
4102  * Get the flags for which fast-math-style optimizations are allowed for this
4103  * value.
4104  *
4105  * Only valid on floating point instructions.
4106  * @see LLVMCanValueUseFastMathFlags
4107  */
4108 LLVMFastMathFlags LLVMGetFastMathFlags(LLVMValueRef FPMathInst);
4109 
4110 /**
4111  * Sets the flags for which fast-math-style optimizations are allowed for this
4112  * value.
4113  *
4114  * Only valid on floating point instructions.
4115  * @see LLVMCanValueUseFastMathFlags
4116  */
4117 void LLVMSetFastMathFlags(LLVMValueRef FPMathInst, LLVMFastMathFlags FMF);
4118 
4119 /**
4120  * Check if a given value can potentially have fast math flags.
4121  *
4122  * Will return true for floating point arithmetic instructions, and for select,
4123  * phi, and call instructions whose type is a floating point type, or a vector
4124  * or array thereof. See https://llvm.org/docs/LangRef.html#fast-math-flags
4125  */
4126 LLVMBool LLVMCanValueUseFastMathFlags(LLVMValueRef Inst);
4127 
4128 /**
4129  * Gets whether the instruction has the disjoint flag set.
4130  * Only valid for or instructions.
4131  */
4132 LLVMBool LLVMGetIsDisjoint(LLVMValueRef Inst);
4133 /**
4134  * Sets the disjoint flag for the instruction.
4135  * Only valid for or instructions.
4136  */
4137 void LLVMSetIsDisjoint(LLVMValueRef Inst, LLVMBool IsDisjoint);
4138 
4139 /* Memory */
4140 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
4141 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef, LLVMTypeRef Ty,
4142                                   LLVMValueRef Val, const char *Name);
4143 
4144 /**
4145  * Creates and inserts a memset to the specified pointer and the
4146  * specified value.
4147  *
4148  * @see llvm::IRRBuilder::CreateMemSet()
4149  */
4150 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
4151                              LLVMValueRef Val, LLVMValueRef Len,
4152                              unsigned Align);
4153 /**
4154  * Creates and inserts a memcpy between the specified pointers.
4155  *
4156  * @see llvm::IRRBuilder::CreateMemCpy()
4157  */
4158 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
4159                              LLVMValueRef Dst, unsigned DstAlign,
4160                              LLVMValueRef Src, unsigned SrcAlign,
4161                              LLVMValueRef Size);
4162 /**
4163  * Creates and inserts a memmove between the specified pointers.
4164  *
4165  * @see llvm::IRRBuilder::CreateMemMove()
4166  */
4167 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
4168                               LLVMValueRef Dst, unsigned DstAlign,
4169                               LLVMValueRef Src, unsigned SrcAlign,
4170                               LLVMValueRef Size);
4171 
4172 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
4173 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef, LLVMTypeRef Ty,
4174                                   LLVMValueRef Val, const char *Name);
4175 LLVMValueRef LLVMBuildFree(LLVMBuilderRef, LLVMValueRef PointerVal);
4176 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef, LLVMTypeRef Ty,
4177                             LLVMValueRef PointerVal, const char *Name);
4178 LLVMValueRef LLVMBuildStore(LLVMBuilderRef, LLVMValueRef Val, LLVMValueRef Ptr);
4179 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
4180                            LLVMValueRef Pointer, LLVMValueRef *Indices,
4181                            unsigned NumIndices, const char *Name);
4182 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
4183                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
4184                                    unsigned NumIndices, const char *Name);
4185 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
4186                                  LLVMValueRef Pointer, unsigned Idx,
4187                                  const char *Name);
4188 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
4189                                    const char *Name);
4190 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
4191                                       const char *Name);
4192 LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
4193 void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
4194 LLVMBool LLVMGetWeak(LLVMValueRef CmpXchgInst);
4195 void LLVMSetWeak(LLVMValueRef CmpXchgInst, LLVMBool IsWeak);
4196 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemoryAccessInst);
4197 void LLVMSetOrdering(LLVMValueRef MemoryAccessInst, LLVMAtomicOrdering Ordering);
4198 LLVMAtomicRMWBinOp LLVMGetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst);
4199 void LLVMSetAtomicRMWBinOp(LLVMValueRef AtomicRMWInst, LLVMAtomicRMWBinOp BinOp);
4200 
4201 /* Casts */
4202 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,
4203                             LLVMTypeRef DestTy, const char *Name);
4204 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef, LLVMValueRef Val,
4205                            LLVMTypeRef DestTy, const char *Name);
4206 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef, LLVMValueRef Val,
4207                            LLVMTypeRef DestTy, const char *Name);
4208 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef, LLVMValueRef Val,
4209                              LLVMTypeRef DestTy, const char *Name);
4210 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef, LLVMValueRef Val,
4211                              LLVMTypeRef DestTy, const char *Name);
4212 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef, LLVMValueRef Val,
4213                              LLVMTypeRef DestTy, const char *Name);
4214 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef, LLVMValueRef Val,
4215                              LLVMTypeRef DestTy, const char *Name);
4216 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef, LLVMValueRef Val,
4217                               LLVMTypeRef DestTy, const char *Name);
4218 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef, LLVMValueRef Val,
4219                             LLVMTypeRef DestTy, const char *Name);
4220 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef, LLVMValueRef Val,
4221                                LLVMTypeRef DestTy, const char *Name);
4222 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef, LLVMValueRef Val,
4223                                LLVMTypeRef DestTy, const char *Name);
4224 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef, LLVMValueRef Val,
4225                               LLVMTypeRef DestTy, const char *Name);
4226 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef, LLVMValueRef Val,
4227                                     LLVMTypeRef DestTy, const char *Name);
4228 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
4229                                     LLVMTypeRef DestTy, const char *Name);
4230 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
4231                                     LLVMTypeRef DestTy, const char *Name);
4232 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef, LLVMValueRef Val,
4233                                      LLVMTypeRef DestTy, const char *Name);
4234 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
4235                            LLVMTypeRef DestTy, const char *Name);
4236 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef, LLVMValueRef Val,
4237                                   LLVMTypeRef DestTy, const char *Name);
4238 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef, LLVMValueRef Val,
4239                                LLVMTypeRef DestTy, LLVMBool IsSigned,
4240                                const char *Name);
4241 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef, LLVMValueRef Val,
4242                              LLVMTypeRef DestTy, const char *Name);
4243 
4244 /** Deprecated: This cast is always signed. Use LLVMBuildIntCast2 instead. */
4245 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef, LLVMValueRef Val, /*Signed cast!*/
4246                               LLVMTypeRef DestTy, const char *Name);
4247 
4248 LLVMOpcode LLVMGetCastOpcode(LLVMValueRef Src, LLVMBool SrcIsSigned,
4249                              LLVMTypeRef DestTy, LLVMBool DestIsSigned);
4250 
4251 /* Comparisons */
4252 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef, LLVMIntPredicate Op,
4253                            LLVMValueRef LHS, LLVMValueRef RHS,
4254                            const char *Name);
4255 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef, LLVMRealPredicate Op,
4256                            LLVMValueRef LHS, LLVMValueRef RHS,
4257                            const char *Name);
4258 
4259 /* Miscellaneous instructions */
4260 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef, LLVMTypeRef Ty, const char *Name);
4261 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef, LLVMTypeRef, LLVMValueRef Fn,
4262                             LLVMValueRef *Args, unsigned NumArgs,
4263                             const char *Name);
4264 LLVMValueRef
4265 LLVMBuildCallWithOperandBundles(LLVMBuilderRef, LLVMTypeRef, LLVMValueRef Fn,
4266                                 LLVMValueRef *Args, unsigned NumArgs,
4267                                 LLVMOperandBundleRef *Bundles,
4268                                 unsigned NumBundles, const char *Name);
4269 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef, LLVMValueRef If,
4270                              LLVMValueRef Then, LLVMValueRef Else,
4271                              const char *Name);
4272 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef, LLVMValueRef List, LLVMTypeRef Ty,
4273                             const char *Name);
4274 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef, LLVMValueRef VecVal,
4275                                      LLVMValueRef Index, const char *Name);
4276 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef, LLVMValueRef VecVal,
4277                                     LLVMValueRef EltVal, LLVMValueRef Index,
4278                                     const char *Name);
4279 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef, LLVMValueRef V1,
4280                                     LLVMValueRef V2, LLVMValueRef Mask,
4281                                     const char *Name);
4282 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef, LLVMValueRef AggVal,
4283                                    unsigned Index, const char *Name);
4284 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef, LLVMValueRef AggVal,
4285                                   LLVMValueRef EltVal, unsigned Index,
4286                                   const char *Name);
4287 LLVMValueRef LLVMBuildFreeze(LLVMBuilderRef, LLVMValueRef Val,
4288                              const char *Name);
4289 
4290 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef, LLVMValueRef Val,
4291                              const char *Name);
4292 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef, LLVMValueRef Val,
4293                                 const char *Name);
4294 LLVMValueRef LLVMBuildPtrDiff2(LLVMBuilderRef, LLVMTypeRef ElemTy,
4295                                LLVMValueRef LHS, LLVMValueRef RHS,
4296                                const char *Name);
4297 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering ordering,
4298                             LLVMBool singleThread, const char *Name);
4299 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B, LLVMAtomicRMWBinOp op,
4300                                 LLVMValueRef PTR, LLVMValueRef Val,
4301                                 LLVMAtomicOrdering ordering,
4302                                 LLVMBool singleThread);
4303 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
4304                                     LLVMValueRef Cmp, LLVMValueRef New,
4305                                     LLVMAtomicOrdering SuccessOrdering,
4306                                     LLVMAtomicOrdering FailureOrdering,
4307                                     LLVMBool SingleThread);
4308 
4309 /**
4310  * Get the number of elements in the mask of a ShuffleVector instruction.
4311  */
4312 unsigned LLVMGetNumMaskElements(LLVMValueRef ShuffleVectorInst);
4313 
4314 /**
4315  * \returns a constant that specifies that the result of a \c ShuffleVectorInst
4316  * is undefined.
4317  */
4318 int LLVMGetUndefMaskElem(void);
4319 
4320 /**
4321  * Get the mask value at position Elt in the mask of a ShuffleVector
4322  * instruction.
4323  *
4324  * \Returns the result of \c LLVMGetUndefMaskElem() if the mask value is
4325  * poison at that position.
4326  */
4327 int LLVMGetMaskValue(LLVMValueRef ShuffleVectorInst, unsigned Elt);
4328 
4329 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst);
4330 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread);
4331 
4332 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst);
4333 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
4334                                    LLVMAtomicOrdering Ordering);
4335 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst);
4336 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
4337                                    LLVMAtomicOrdering Ordering);
4338 
4339 /**
4340  * @}
4341  */
4342 
4343 /**
4344  * @defgroup LLVMCCoreModuleProvider Module Providers
4345  *
4346  * @{
4347  */
4348 
4349 /**
4350  * Changes the type of M so it can be passed to FunctionPassManagers and the
4351  * JIT.  They take ModuleProviders for historical reasons.
4352  */
4353 LLVMModuleProviderRef
4354 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M);
4355 
4356 /**
4357  * Destroys the module M.
4358  */
4359 void LLVMDisposeModuleProvider(LLVMModuleProviderRef M);
4360 
4361 /**
4362  * @}
4363  */
4364 
4365 /**
4366  * @defgroup LLVMCCoreMemoryBuffers Memory Buffers
4367  *
4368  * @{
4369  */
4370 
4371 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(const char *Path,
4372                                                   LLVMMemoryBufferRef *OutMemBuf,
4373                                                   char **OutMessage);
4374 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
4375                                          char **OutMessage);
4376 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
4377                                                           size_t InputDataLength,
4378                                                           const char *BufferName,
4379                                                           LLVMBool RequiresNullTerminator);
4380 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
4381                                                               size_t InputDataLength,
4382                                                               const char *BufferName);
4383 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
4384 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf);
4385 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
4386 
4387 /**
4388  * @}
4389  */
4390 
4391 /**
4392  * @defgroup LLVMCCorePassManagers Pass Managers
4393  * @ingroup LLVMCCore
4394  *
4395  * @{
4396  */
4397 
4398 /** Constructs a new whole-module pass pipeline. This type of pipeline is
4399     suitable for link-time optimization and whole-module transformations.
4400     @see llvm::PassManager::PassManager */
4401 LLVMPassManagerRef LLVMCreatePassManager(void);
4402 
4403 /** Constructs a new function-by-function pass pipeline over the module
4404     provider. It does not take ownership of the module provider. This type of
4405     pipeline is suitable for code generation and JIT compilation tasks.
4406     @see llvm::FunctionPassManager::FunctionPassManager */
4407 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M);
4408 
4409 /** Deprecated: Use LLVMCreateFunctionPassManagerForModule instead. */
4410 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef MP);
4411 
4412 /** Initializes, executes on the provided module, and finalizes all of the
4413     passes scheduled in the pass manager. Returns 1 if any of the passes
4414     modified the module, 0 otherwise.
4415     @see llvm::PassManager::run(Module&) */
4416 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M);
4417 
4418 /** Initializes all of the function passes scheduled in the function pass
4419     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4420     @see llvm::FunctionPassManager::doInitialization */
4421 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM);
4422 
4423 /** Executes all of the function passes scheduled in the function pass manager
4424     on the provided function. Returns 1 if any of the passes modified the
4425     function, false otherwise.
4426     @see llvm::FunctionPassManager::run(Function&) */
4427 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F);
4428 
4429 /** Finalizes all of the function passes scheduled in the function pass
4430     manager. Returns 1 if any of the passes modified the module, 0 otherwise.
4431     @see llvm::FunctionPassManager::doFinalization */
4432 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM);
4433 
4434 /** Frees the memory of a pass pipeline. For function pipelines, does not free
4435     the module provider.
4436     @see llvm::PassManagerBase::~PassManagerBase. */
4437 void LLVMDisposePassManager(LLVMPassManagerRef PM);
4438 
4439 /**
4440  * @}
4441  */
4442 
4443 /**
4444  * @defgroup LLVMCCoreThreading Threading
4445  *
4446  * Handle the structures needed to make LLVM safe for multithreading.
4447  *
4448  * @{
4449  */
4450 
4451 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4452     time define LLVM_ENABLE_THREADS.  This function always returns
4453     LLVMIsMultithreaded(). */
4454 LLVMBool LLVMStartMultithreaded(void);
4455 
4456 /** Deprecated: Multi-threading can only be enabled/disabled with the compile
4457     time define LLVM_ENABLE_THREADS. */
4458 void LLVMStopMultithreaded(void);
4459 
4460 /** Check whether LLVM is executing in thread-safe mode or not.
4461     @see llvm::llvm_is_multithreaded */
4462 LLVMBool LLVMIsMultithreaded(void);
4463 
4464 /**
4465  * @}
4466  */
4467 
4468 /**
4469  * @}
4470  */
4471 
4472 /**
4473  * @}
4474  */
4475 
4476 LLVM_C_EXTERN_C_END
4477 
4478 #endif /* LLVM_C_CORE_H */
4479