[ValueTracking] computeOverflowForSignedAdd and isKnownNonNegative
[oota-llvm.git] / lib / IR / Core.cpp
1 //===-- Core.cpp ----------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the common infrastructure (including the C bindings)
11 // for libLLVMCore.a, which implements the LLVM intermediate representation.
12 //
13 //===----------------------------------------------------------------------===//
14
15 #include "llvm-c/Core.h"
16 #include "llvm/Bitcode/ReaderWriter.h"
17 #include "llvm/IR/Attributes.h"
18 #include "llvm/IR/CallSite.h"
19 #include "llvm/IR/Constants.h"
20 #include "llvm/IR/DerivedTypes.h"
21 #include "llvm/IR/DiagnosticInfo.h"
22 #include "llvm/IR/DiagnosticPrinter.h"
23 #include "llvm/IR/GlobalAlias.h"
24 #include "llvm/IR/GlobalVariable.h"
25 #include "llvm/IR/IRBuilder.h"
26 #include "llvm/IR/InlineAsm.h"
27 #include "llvm/IR/IntrinsicInst.h"
28 #include "llvm/IR/LLVMContext.h"
29 #include "llvm/IR/LegacyPassManager.h"
30 #include "llvm/IR/Module.h"
31 #include "llvm/Support/Debug.h"
32 #include "llvm/Support/ErrorHandling.h"
33 #include "llvm/Support/FileSystem.h"
34 #include "llvm/Support/ManagedStatic.h"
35 #include "llvm/Support/MemoryBuffer.h"
36 #include "llvm/Support/Threading.h"
37 #include "llvm/Support/raw_ostream.h"
38 #include <cassert>
39 #include <cstdlib>
40 #include <cstring>
41 #include <system_error>
42
43 using namespace llvm;
44
45 #define DEBUG_TYPE "ir"
46
47 void llvm::initializeCore(PassRegistry &Registry) {
48   initializeDominatorTreeWrapperPassPass(Registry);
49   initializePrintModulePassWrapperPass(Registry);
50   initializePrintFunctionPassWrapperPass(Registry);
51   initializePrintBasicBlockPassPass(Registry);
52   initializeVerifierLegacyPassPass(Registry);
53 }
54
55 void LLVMInitializeCore(LLVMPassRegistryRef R) {
56   initializeCore(*unwrap(R));
57 }
58
59 void LLVMShutdown() {
60   llvm_shutdown();
61 }
62
63 /*===-- Error handling ----------------------------------------------------===*/
64
65 char *LLVMCreateMessage(const char *Message) {
66   return strdup(Message);
67 }
68
69 void LLVMDisposeMessage(char *Message) {
70   free(Message);
71 }
72
73
74 /*===-- Operations on contexts --------------------------------------------===*/
75
76 LLVMContextRef LLVMContextCreate() {
77   return wrap(new LLVMContext());
78 }
79
80 LLVMContextRef LLVMGetGlobalContext() {
81   return wrap(&getGlobalContext());
82 }
83
84 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
85                                      LLVMDiagnosticHandler Handler,
86                                      void *DiagnosticContext) {
87   unwrap(C)->setDiagnosticHandler(
88       LLVM_EXTENSION reinterpret_cast<LLVMContext::DiagnosticHandlerTy>(Handler),
89       DiagnosticContext);
90 }
91
92 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
93                                  void *OpaqueHandle) {
94   auto YieldCallback =
95     LLVM_EXTENSION reinterpret_cast<LLVMContext::YieldCallbackTy>(Callback);
96   unwrap(C)->setYieldCallback(YieldCallback, OpaqueHandle);
97 }
98
99 void LLVMContextDispose(LLVMContextRef C) {
100   delete unwrap(C);
101 }
102
103 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char* Name,
104                                   unsigned SLen) {
105   return unwrap(C)->getMDKindID(StringRef(Name, SLen));
106 }
107
108 unsigned LLVMGetMDKindID(const char* Name, unsigned SLen) {
109   return LLVMGetMDKindIDInContext(LLVMGetGlobalContext(), Name, SLen);
110 }
111
112 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI) {
113   std::string MsgStorage;
114   raw_string_ostream Stream(MsgStorage);
115   DiagnosticPrinterRawOStream DP(Stream);
116
117   unwrap(DI)->print(DP);
118   Stream.flush();
119
120   return LLVMCreateMessage(MsgStorage.c_str());
121 }
122
123 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI){
124     LLVMDiagnosticSeverity severity;
125
126     switch(unwrap(DI)->getSeverity()) {
127     default:
128       severity = LLVMDSError;
129       break;
130     case DS_Warning:
131       severity = LLVMDSWarning;
132       break;
133     case DS_Remark:
134       severity = LLVMDSRemark;
135       break;
136     case DS_Note:
137       severity = LLVMDSNote;
138       break;
139     }
140
141     return severity;
142 }
143
144
145
146
147 /*===-- Operations on modules ---------------------------------------------===*/
148
149 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID) {
150   return wrap(new Module(ModuleID, getGlobalContext()));
151 }
152
153 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
154                                                 LLVMContextRef C) {
155   return wrap(new Module(ModuleID, *unwrap(C)));
156 }
157
158 void LLVMDisposeModule(LLVMModuleRef M) {
159   delete unwrap(M);
160 }
161
162 /*--.. Data layout .........................................................--*/
163 const char * LLVMGetDataLayout(LLVMModuleRef M) {
164   return unwrap(M)->getDataLayoutStr().c_str();
165 }
166
167 void LLVMSetDataLayout(LLVMModuleRef M, const char *Triple) {
168   unwrap(M)->setDataLayout(Triple);
169 }
170
171 /*--.. Target triple .......................................................--*/
172 const char * LLVMGetTarget(LLVMModuleRef M) {
173   return unwrap(M)->getTargetTriple().c_str();
174 }
175
176 void LLVMSetTarget(LLVMModuleRef M, const char *Triple) {
177   unwrap(M)->setTargetTriple(Triple);
178 }
179
180 void LLVMDumpModule(LLVMModuleRef M) {
181   unwrap(M)->dump();
182 }
183
184 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
185                                char **ErrorMessage) {
186   std::error_code EC;
187   raw_fd_ostream dest(Filename, EC, sys::fs::F_Text);
188   if (EC) {
189     *ErrorMessage = strdup(EC.message().c_str());
190     return true;
191   }
192
193   unwrap(M)->print(dest, nullptr);
194
195   dest.close();
196
197   if (dest.has_error()) {
198     *ErrorMessage = strdup("Error printing to file");
199     return true;
200   }
201
202   return false;
203 }
204
205 char *LLVMPrintModuleToString(LLVMModuleRef M) {
206   std::string buf;
207   raw_string_ostream os(buf);
208
209   unwrap(M)->print(os, nullptr);
210   os.flush();
211
212   return strdup(buf.c_str());
213 }
214
215 /*--.. Operations on inline assembler ......................................--*/
216 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm) {
217   unwrap(M)->setModuleInlineAsm(StringRef(Asm));
218 }
219
220
221 /*--.. Operations on module contexts ......................................--*/
222 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M) {
223   return wrap(&unwrap(M)->getContext());
224 }
225
226
227 /*===-- Operations on types -----------------------------------------------===*/
228
229 /*--.. Operations on all types (mostly) ....................................--*/
230
231 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty) {
232   switch (unwrap(Ty)->getTypeID()) {
233   case Type::VoidTyID:
234     return LLVMVoidTypeKind;
235   case Type::HalfTyID:
236     return LLVMHalfTypeKind;
237   case Type::FloatTyID:
238     return LLVMFloatTypeKind;
239   case Type::DoubleTyID:
240     return LLVMDoubleTypeKind;
241   case Type::X86_FP80TyID:
242     return LLVMX86_FP80TypeKind;
243   case Type::FP128TyID:
244     return LLVMFP128TypeKind;
245   case Type::PPC_FP128TyID:
246     return LLVMPPC_FP128TypeKind;
247   case Type::LabelTyID:
248     return LLVMLabelTypeKind;
249   case Type::MetadataTyID:
250     return LLVMMetadataTypeKind;
251   case Type::IntegerTyID:
252     return LLVMIntegerTypeKind;
253   case Type::FunctionTyID:
254     return LLVMFunctionTypeKind;
255   case Type::StructTyID:
256     return LLVMStructTypeKind;
257   case Type::ArrayTyID:
258     return LLVMArrayTypeKind;
259   case Type::PointerTyID:
260     return LLVMPointerTypeKind;
261   case Type::VectorTyID:
262     return LLVMVectorTypeKind;
263   case Type::X86_MMXTyID:
264     return LLVMX86_MMXTypeKind;
265   case Type::TokenTyID:
266     return LLVMTokenTypeKind;
267   }
268   llvm_unreachable("Unhandled TypeID.");
269 }
270
271 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty)
272 {
273     return unwrap(Ty)->isSized();
274 }
275
276 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty) {
277   return wrap(&unwrap(Ty)->getContext());
278 }
279
280 void LLVMDumpType(LLVMTypeRef Ty) {
281   return unwrap(Ty)->dump();
282 }
283
284 char *LLVMPrintTypeToString(LLVMTypeRef Ty) {
285   std::string buf;
286   raw_string_ostream os(buf);
287
288   if (unwrap(Ty))
289     unwrap(Ty)->print(os);
290   else
291     os << "Printing <null> Type";
292
293   os.flush();
294
295   return strdup(buf.c_str());
296 }
297
298 /*--.. Operations on integer types .........................................--*/
299
300 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C)  {
301   return (LLVMTypeRef) Type::getInt1Ty(*unwrap(C));
302 }
303 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C)  {
304   return (LLVMTypeRef) Type::getInt8Ty(*unwrap(C));
305 }
306 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C) {
307   return (LLVMTypeRef) Type::getInt16Ty(*unwrap(C));
308 }
309 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C) {
310   return (LLVMTypeRef) Type::getInt32Ty(*unwrap(C));
311 }
312 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C) {
313   return (LLVMTypeRef) Type::getInt64Ty(*unwrap(C));
314 }
315 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C) {
316   return (LLVMTypeRef) Type::getInt128Ty(*unwrap(C));
317 }
318 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits) {
319   return wrap(IntegerType::get(*unwrap(C), NumBits));
320 }
321
322 LLVMTypeRef LLVMInt1Type(void)  {
323   return LLVMInt1TypeInContext(LLVMGetGlobalContext());
324 }
325 LLVMTypeRef LLVMInt8Type(void)  {
326   return LLVMInt8TypeInContext(LLVMGetGlobalContext());
327 }
328 LLVMTypeRef LLVMInt16Type(void) {
329   return LLVMInt16TypeInContext(LLVMGetGlobalContext());
330 }
331 LLVMTypeRef LLVMInt32Type(void) {
332   return LLVMInt32TypeInContext(LLVMGetGlobalContext());
333 }
334 LLVMTypeRef LLVMInt64Type(void) {
335   return LLVMInt64TypeInContext(LLVMGetGlobalContext());
336 }
337 LLVMTypeRef LLVMInt128Type(void) {
338   return LLVMInt128TypeInContext(LLVMGetGlobalContext());
339 }
340 LLVMTypeRef LLVMIntType(unsigned NumBits) {
341   return LLVMIntTypeInContext(LLVMGetGlobalContext(), NumBits);
342 }
343
344 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy) {
345   return unwrap<IntegerType>(IntegerTy)->getBitWidth();
346 }
347
348 /*--.. Operations on real types ............................................--*/
349
350 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C) {
351   return (LLVMTypeRef) Type::getHalfTy(*unwrap(C));
352 }
353 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C) {
354   return (LLVMTypeRef) Type::getFloatTy(*unwrap(C));
355 }
356 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C) {
357   return (LLVMTypeRef) Type::getDoubleTy(*unwrap(C));
358 }
359 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C) {
360   return (LLVMTypeRef) Type::getX86_FP80Ty(*unwrap(C));
361 }
362 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C) {
363   return (LLVMTypeRef) Type::getFP128Ty(*unwrap(C));
364 }
365 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C) {
366   return (LLVMTypeRef) Type::getPPC_FP128Ty(*unwrap(C));
367 }
368 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C) {
369   return (LLVMTypeRef) Type::getX86_MMXTy(*unwrap(C));
370 }
371 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C) {
372   return (LLVMTypeRef) Type::getTokenTy(*unwrap(C));
373 }
374
375 LLVMTypeRef LLVMHalfType(void) {
376   return LLVMHalfTypeInContext(LLVMGetGlobalContext());
377 }
378 LLVMTypeRef LLVMFloatType(void) {
379   return LLVMFloatTypeInContext(LLVMGetGlobalContext());
380 }
381 LLVMTypeRef LLVMDoubleType(void) {
382   return LLVMDoubleTypeInContext(LLVMGetGlobalContext());
383 }
384 LLVMTypeRef LLVMX86FP80Type(void) {
385   return LLVMX86FP80TypeInContext(LLVMGetGlobalContext());
386 }
387 LLVMTypeRef LLVMFP128Type(void) {
388   return LLVMFP128TypeInContext(LLVMGetGlobalContext());
389 }
390 LLVMTypeRef LLVMPPCFP128Type(void) {
391   return LLVMPPCFP128TypeInContext(LLVMGetGlobalContext());
392 }
393 LLVMTypeRef LLVMX86MMXType(void) {
394   return LLVMX86MMXTypeInContext(LLVMGetGlobalContext());
395 }
396
397 /*--.. Operations on function types ........................................--*/
398
399 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
400                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
401                              LLVMBool IsVarArg) {
402   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
403   return wrap(FunctionType::get(unwrap(ReturnType), Tys, IsVarArg != 0));
404 }
405
406 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy) {
407   return unwrap<FunctionType>(FunctionTy)->isVarArg();
408 }
409
410 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy) {
411   return wrap(unwrap<FunctionType>(FunctionTy)->getReturnType());
412 }
413
414 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy) {
415   return unwrap<FunctionType>(FunctionTy)->getNumParams();
416 }
417
418 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest) {
419   FunctionType *Ty = unwrap<FunctionType>(FunctionTy);
420   for (FunctionType::param_iterator I = Ty->param_begin(),
421                                     E = Ty->param_end(); I != E; ++I)
422     *Dest++ = wrap(*I);
423 }
424
425 /*--.. Operations on struct types ..........................................--*/
426
427 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
428                            unsigned ElementCount, LLVMBool Packed) {
429   ArrayRef<Type*> Tys(unwrap(ElementTypes), ElementCount);
430   return wrap(StructType::get(*unwrap(C), Tys, Packed != 0));
431 }
432
433 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes,
434                            unsigned ElementCount, LLVMBool Packed) {
435   return LLVMStructTypeInContext(LLVMGetGlobalContext(), ElementTypes,
436                                  ElementCount, Packed);
437 }
438
439 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name)
440 {
441   return wrap(StructType::create(*unwrap(C), Name));
442 }
443
444 const char *LLVMGetStructName(LLVMTypeRef Ty)
445 {
446   StructType *Type = unwrap<StructType>(Ty);
447   if (!Type->hasName())
448     return nullptr;
449   return Type->getName().data();
450 }
451
452 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
453                        unsigned ElementCount, LLVMBool Packed) {
454   ArrayRef<Type*> Tys(unwrap(ElementTypes), ElementCount);
455   unwrap<StructType>(StructTy)->setBody(Tys, Packed != 0);
456 }
457
458 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy) {
459   return unwrap<StructType>(StructTy)->getNumElements();
460 }
461
462 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest) {
463   StructType *Ty = unwrap<StructType>(StructTy);
464   for (StructType::element_iterator I = Ty->element_begin(),
465                                     E = Ty->element_end(); I != E; ++I)
466     *Dest++ = wrap(*I);
467 }
468
469 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i) {
470   StructType *Ty = unwrap<StructType>(StructTy);
471   return wrap(Ty->getTypeAtIndex(i));
472 }
473
474 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy) {
475   return unwrap<StructType>(StructTy)->isPacked();
476 }
477
478 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy) {
479   return unwrap<StructType>(StructTy)->isOpaque();
480 }
481
482 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name) {
483   return wrap(unwrap(M)->getTypeByName(Name));
484 }
485
486 /*--.. Operations on array, pointer, and vector types (sequence types) .....--*/
487
488 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount) {
489   return wrap(ArrayType::get(unwrap(ElementType), ElementCount));
490 }
491
492 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace) {
493   return wrap(PointerType::get(unwrap(ElementType), AddressSpace));
494 }
495
496 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount) {
497   return wrap(VectorType::get(unwrap(ElementType), ElementCount));
498 }
499
500 LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty) {
501   return wrap(unwrap<SequentialType>(Ty)->getElementType());
502 }
503
504 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy) {
505   return unwrap<ArrayType>(ArrayTy)->getNumElements();
506 }
507
508 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy) {
509   return unwrap<PointerType>(PointerTy)->getAddressSpace();
510 }
511
512 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy) {
513   return unwrap<VectorType>(VectorTy)->getNumElements();
514 }
515
516 /*--.. Operations on other types ...........................................--*/
517
518 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C)  {
519   return wrap(Type::getVoidTy(*unwrap(C)));
520 }
521 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C) {
522   return wrap(Type::getLabelTy(*unwrap(C)));
523 }
524
525 LLVMTypeRef LLVMVoidType(void)  {
526   return LLVMVoidTypeInContext(LLVMGetGlobalContext());
527 }
528 LLVMTypeRef LLVMLabelType(void) {
529   return LLVMLabelTypeInContext(LLVMGetGlobalContext());
530 }
531
532 /*===-- Operations on values ----------------------------------------------===*/
533
534 /*--.. Operations on all values ............................................--*/
535
536 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val) {
537   return wrap(unwrap(Val)->getType());
538 }
539
540 const char *LLVMGetValueName(LLVMValueRef Val) {
541   return unwrap(Val)->getName().data();
542 }
543
544 void LLVMSetValueName(LLVMValueRef Val, const char *Name) {
545   unwrap(Val)->setName(Name);
546 }
547
548 void LLVMDumpValue(LLVMValueRef Val) {
549   unwrap(Val)->dump();
550 }
551
552 char* LLVMPrintValueToString(LLVMValueRef Val) {
553   std::string buf;
554   raw_string_ostream os(buf);
555
556   if (unwrap(Val))
557     unwrap(Val)->print(os);
558   else
559     os << "Printing <null> Value";
560
561   os.flush();
562
563   return strdup(buf.c_str());
564 }
565
566 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal) {
567   unwrap(OldVal)->replaceAllUsesWith(unwrap(NewVal));
568 }
569
570 int LLVMHasMetadata(LLVMValueRef Inst) {
571   return unwrap<Instruction>(Inst)->hasMetadata();
572 }
573
574 LLVMValueRef LLVMGetMetadata(LLVMValueRef Inst, unsigned KindID) {
575   auto *I = unwrap<Instruction>(Inst);
576   assert(I && "Expected instruction");
577   if (auto *MD = I->getMetadata(KindID))
578     return wrap(MetadataAsValue::get(I->getContext(), MD));
579   return nullptr;
580 }
581
582 // MetadataAsValue uses a canonical format which strips the actual MDNode for
583 // MDNode with just a single constant value, storing just a ConstantAsMetadata
584 // This undoes this canonicalization, reconstructing the MDNode.
585 static MDNode *extractMDNode(MetadataAsValue *MAV) {
586   Metadata *MD = MAV->getMetadata();
587   assert((isa<MDNode>(MD) || isa<ConstantAsMetadata>(MD)) &&
588       "Expected a metadata node or a canonicalized constant");
589
590   if (MDNode *N = dyn_cast<MDNode>(MD))
591     return N;
592
593   return MDNode::get(MAV->getContext(), MD);
594 }
595
596 void LLVMSetMetadata(LLVMValueRef Inst, unsigned KindID, LLVMValueRef Val) {
597   MDNode *N = Val ? extractMDNode(unwrap<MetadataAsValue>(Val)) : nullptr;
598
599   unwrap<Instruction>(Inst)->setMetadata(KindID, N);
600 }
601
602 /*--.. Conversion functions ................................................--*/
603
604 #define LLVM_DEFINE_VALUE_CAST(name)                                       \
605   LLVMValueRef LLVMIsA##name(LLVMValueRef Val) {                           \
606     return wrap(static_cast<Value*>(dyn_cast_or_null<name>(unwrap(Val)))); \
607   }
608
609 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DEFINE_VALUE_CAST)
610
611 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val) {
612   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
613     if (isa<MDNode>(MD->getMetadata()) ||
614         isa<ValueAsMetadata>(MD->getMetadata()))
615       return Val;
616   return nullptr;
617 }
618
619 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val) {
620   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
621     if (isa<MDString>(MD->getMetadata()))
622       return Val;
623   return nullptr;
624 }
625
626 /*--.. Operations on Uses ..................................................--*/
627 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val) {
628   Value *V = unwrap(Val);
629   Value::use_iterator I = V->use_begin();
630   if (I == V->use_end())
631     return nullptr;
632   return wrap(&*I);
633 }
634
635 LLVMUseRef LLVMGetNextUse(LLVMUseRef U) {
636   Use *Next = unwrap(U)->getNext();
637   if (Next)
638     return wrap(Next);
639   return nullptr;
640 }
641
642 LLVMValueRef LLVMGetUser(LLVMUseRef U) {
643   return wrap(unwrap(U)->getUser());
644 }
645
646 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U) {
647   return wrap(unwrap(U)->get());
648 }
649
650 /*--.. Operations on Users .................................................--*/
651
652 static LLVMValueRef getMDNodeOperandImpl(LLVMContext &Context, const MDNode *N,
653                                          unsigned Index) {
654   Metadata *Op = N->getOperand(Index);
655   if (!Op)
656     return nullptr;
657   if (auto *C = dyn_cast<ConstantAsMetadata>(Op))
658     return wrap(C->getValue());
659   return wrap(MetadataAsValue::get(Context, Op));
660 }
661
662 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index) {
663   Value *V = unwrap(Val);
664   if (auto *MD = dyn_cast<MetadataAsValue>(V)) {
665     if (auto *L = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
666       assert(Index == 0 && "Function-local metadata can only have one operand");
667       return wrap(L->getValue());
668     }
669     return getMDNodeOperandImpl(V->getContext(),
670                                 cast<MDNode>(MD->getMetadata()), Index);
671   }
672
673   return wrap(cast<User>(V)->getOperand(Index));
674 }
675
676 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index) {
677   Value *V = unwrap(Val);
678   return wrap(&cast<User>(V)->getOperandUse(Index));
679 }
680
681 void LLVMSetOperand(LLVMValueRef Val, unsigned Index, LLVMValueRef Op) {
682   unwrap<User>(Val)->setOperand(Index, unwrap(Op));
683 }
684
685 int LLVMGetNumOperands(LLVMValueRef Val) {
686   Value *V = unwrap(Val);
687   if (isa<MetadataAsValue>(V))
688     return LLVMGetMDNodeNumOperands(Val);
689
690   return cast<User>(V)->getNumOperands();
691 }
692
693 /*--.. Operations on constants of any type .................................--*/
694
695 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty) {
696   return wrap(Constant::getNullValue(unwrap(Ty)));
697 }
698
699 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty) {
700   return wrap(Constant::getAllOnesValue(unwrap(Ty)));
701 }
702
703 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty) {
704   return wrap(UndefValue::get(unwrap(Ty)));
705 }
706
707 LLVMBool LLVMIsConstant(LLVMValueRef Ty) {
708   return isa<Constant>(unwrap(Ty));
709 }
710
711 LLVMBool LLVMIsNull(LLVMValueRef Val) {
712   if (Constant *C = dyn_cast<Constant>(unwrap(Val)))
713     return C->isNullValue();
714   return false;
715 }
716
717 LLVMBool LLVMIsUndef(LLVMValueRef Val) {
718   return isa<UndefValue>(unwrap(Val));
719 }
720
721 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty) {
722   return
723       wrap(ConstantPointerNull::get(unwrap<PointerType>(Ty)));
724 }
725
726 /*--.. Operations on metadata nodes ........................................--*/
727
728 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
729                                    unsigned SLen) {
730   LLVMContext &Context = *unwrap(C);
731   return wrap(MetadataAsValue::get(
732       Context, MDString::get(Context, StringRef(Str, SLen))));
733 }
734
735 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen) {
736   return LLVMMDStringInContext(LLVMGetGlobalContext(), Str, SLen);
737 }
738
739 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
740                                  unsigned Count) {
741   LLVMContext &Context = *unwrap(C);
742   SmallVector<Metadata *, 8> MDs;
743   for (auto *OV : makeArrayRef(Vals, Count)) {
744     Value *V = unwrap(OV);
745     Metadata *MD;
746     if (!V)
747       MD = nullptr;
748     else if (auto *C = dyn_cast<Constant>(V))
749       MD = ConstantAsMetadata::get(C);
750     else if (auto *MDV = dyn_cast<MetadataAsValue>(V)) {
751       MD = MDV->getMetadata();
752       assert(!isa<LocalAsMetadata>(MD) && "Unexpected function-local metadata "
753                                           "outside of direct argument to call");
754     } else {
755       // This is function-local metadata.  Pretend to make an MDNode.
756       assert(Count == 1 &&
757              "Expected only one operand to function-local metadata");
758       return wrap(MetadataAsValue::get(Context, LocalAsMetadata::get(V)));
759     }
760
761     MDs.push_back(MD);
762   }
763   return wrap(MetadataAsValue::get(Context, MDNode::get(Context, MDs)));
764 }
765
766 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count) {
767   return LLVMMDNodeInContext(LLVMGetGlobalContext(), Vals, Count);
768 }
769
770 const char *LLVMGetMDString(LLVMValueRef V, unsigned* Len) {
771   if (const auto *MD = dyn_cast<MetadataAsValue>(unwrap(V)))
772     if (const MDString *S = dyn_cast<MDString>(MD->getMetadata())) {
773       *Len = S->getString().size();
774       return S->getString().data();
775     }
776   *Len = 0;
777   return nullptr;
778 }
779
780 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V)
781 {
782   auto *MD = cast<MetadataAsValue>(unwrap(V));
783   if (isa<ValueAsMetadata>(MD->getMetadata()))
784     return 1;
785   return cast<MDNode>(MD->getMetadata())->getNumOperands();
786 }
787
788 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest)
789 {
790   auto *MD = cast<MetadataAsValue>(unwrap(V));
791   if (auto *MDV = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
792     *Dest = wrap(MDV->getValue());
793     return;
794   }
795   const auto *N = cast<MDNode>(MD->getMetadata());
796   const unsigned numOperands = N->getNumOperands();
797   LLVMContext &Context = unwrap(V)->getContext();
798   for (unsigned i = 0; i < numOperands; i++)
799     Dest[i] = getMDNodeOperandImpl(Context, N, i);
800 }
801
802 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char* name)
803 {
804   if (NamedMDNode *N = unwrap(M)->getNamedMetadata(name)) {
805     return N->getNumOperands();
806   }
807   return 0;
808 }
809
810 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char* name, LLVMValueRef *Dest)
811 {
812   NamedMDNode *N = unwrap(M)->getNamedMetadata(name);
813   if (!N)
814     return;
815   LLVMContext &Context = unwrap(M)->getContext();
816   for (unsigned i=0;i<N->getNumOperands();i++)
817     Dest[i] = wrap(MetadataAsValue::get(Context, N->getOperand(i)));
818 }
819
820 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char* name,
821                                  LLVMValueRef Val)
822 {
823   NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(name);
824   if (!N)
825     return;
826   if (!Val)
827     return;
828   N->addOperand(extractMDNode(unwrap<MetadataAsValue>(Val)));
829 }
830
831 /*--.. Operations on scalar constants ......................................--*/
832
833 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
834                           LLVMBool SignExtend) {
835   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), N, SignExtend != 0));
836 }
837
838 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
839                                               unsigned NumWords,
840                                               const uint64_t Words[]) {
841     IntegerType *Ty = unwrap<IntegerType>(IntTy);
842     return wrap(ConstantInt::get(Ty->getContext(),
843                                  APInt(Ty->getBitWidth(),
844                                        makeArrayRef(Words, NumWords))));
845 }
846
847 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char Str[],
848                                   uint8_t Radix) {
849   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), StringRef(Str),
850                                Radix));
851 }
852
853 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char Str[],
854                                          unsigned SLen, uint8_t Radix) {
855   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), StringRef(Str, SLen),
856                                Radix));
857 }
858
859 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N) {
860   return wrap(ConstantFP::get(unwrap(RealTy), N));
861 }
862
863 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text) {
864   return wrap(ConstantFP::get(unwrap(RealTy), StringRef(Text)));
865 }
866
867 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char Str[],
868                                           unsigned SLen) {
869   return wrap(ConstantFP::get(unwrap(RealTy), StringRef(Str, SLen)));
870 }
871
872 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal) {
873   return unwrap<ConstantInt>(ConstantVal)->getZExtValue();
874 }
875
876 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal) {
877   return unwrap<ConstantInt>(ConstantVal)->getSExtValue();
878 }
879
880 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *LosesInfo) {
881   ConstantFP *cFP = unwrap<ConstantFP>(ConstantVal) ;
882   Type *Ty = cFP->getType();
883
884   if (Ty->isFloatTy()) {
885     *LosesInfo = false;
886     return cFP->getValueAPF().convertToFloat();
887   }
888
889   if (Ty->isDoubleTy()) {
890     *LosesInfo = false;
891     return cFP->getValueAPF().convertToDouble();
892   }
893
894   bool APFLosesInfo;
895   APFloat APF = cFP->getValueAPF();
896   APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &APFLosesInfo);
897   *LosesInfo = APFLosesInfo;
898   return APF.convertToDouble();
899 }
900
901 /*--.. Operations on composite constants ...................................--*/
902
903 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
904                                       unsigned Length,
905                                       LLVMBool DontNullTerminate) {
906   /* Inverted the sense of AddNull because ', 0)' is a
907      better mnemonic for null termination than ', 1)'. */
908   return wrap(ConstantDataArray::getString(*unwrap(C), StringRef(Str, Length),
909                                            DontNullTerminate == 0));
910 }
911 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
912                                       LLVMValueRef *ConstantVals,
913                                       unsigned Count, LLVMBool Packed) {
914   Constant **Elements = unwrap<Constant>(ConstantVals, Count);
915   return wrap(ConstantStruct::getAnon(*unwrap(C), makeArrayRef(Elements, Count),
916                                       Packed != 0));
917 }
918
919 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
920                              LLVMBool DontNullTerminate) {
921   return LLVMConstStringInContext(LLVMGetGlobalContext(), Str, Length,
922                                   DontNullTerminate);
923 }
924
925 LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef c, unsigned idx) {
926   return wrap(static_cast<ConstantDataSequential*>(unwrap(c))->getElementAsConstant(idx));
927 }
928
929 LLVMBool LLVMIsConstantString(LLVMValueRef c) {
930   return static_cast<ConstantDataSequential*>(unwrap(c))->isString();
931 }
932
933 const char *LLVMGetAsString(LLVMValueRef c, size_t* Length) {
934   StringRef str = static_cast<ConstantDataSequential*>(unwrap(c))->getAsString();
935   *Length = str.size();
936   return str.data();
937 }
938
939 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
940                             LLVMValueRef *ConstantVals, unsigned Length) {
941   ArrayRef<Constant*> V(unwrap<Constant>(ConstantVals, Length), Length);
942   return wrap(ConstantArray::get(ArrayType::get(unwrap(ElementTy), Length), V));
943 }
944
945 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
946                              LLVMBool Packed) {
947   return LLVMConstStructInContext(LLVMGetGlobalContext(), ConstantVals, Count,
948                                   Packed);
949 }
950
951 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
952                                   LLVMValueRef *ConstantVals,
953                                   unsigned Count) {
954   Constant **Elements = unwrap<Constant>(ConstantVals, Count);
955   StructType *Ty = cast<StructType>(unwrap(StructTy));
956
957   return wrap(ConstantStruct::get(Ty, makeArrayRef(Elements, Count)));
958 }
959
960 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size) {
961   return wrap(ConstantVector::get(makeArrayRef(
962                             unwrap<Constant>(ScalarConstantVals, Size), Size)));
963 }
964
965 /*-- Opcode mapping */
966
967 static LLVMOpcode map_to_llvmopcode(int opcode)
968 {
969     switch (opcode) {
970       default: llvm_unreachable("Unhandled Opcode.");
971 #define HANDLE_INST(num, opc, clas) case num: return LLVM##opc;
972 #include "llvm/IR/Instruction.def"
973 #undef HANDLE_INST
974     }
975 }
976
977 static int map_from_llvmopcode(LLVMOpcode code)
978 {
979     switch (code) {
980 #define HANDLE_INST(num, opc, clas) case LLVM##opc: return num;
981 #include "llvm/IR/Instruction.def"
982 #undef HANDLE_INST
983     }
984     llvm_unreachable("Unhandled Opcode.");
985 }
986
987 /*--.. Constant expressions ................................................--*/
988
989 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal) {
990   return map_to_llvmopcode(unwrap<ConstantExpr>(ConstantVal)->getOpcode());
991 }
992
993 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty) {
994   return wrap(ConstantExpr::getAlignOf(unwrap(Ty)));
995 }
996
997 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty) {
998   return wrap(ConstantExpr::getSizeOf(unwrap(Ty)));
999 }
1000
1001 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal) {
1002   return wrap(ConstantExpr::getNeg(unwrap<Constant>(ConstantVal)));
1003 }
1004
1005 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal) {
1006   return wrap(ConstantExpr::getNSWNeg(unwrap<Constant>(ConstantVal)));
1007 }
1008
1009 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal) {
1010   return wrap(ConstantExpr::getNUWNeg(unwrap<Constant>(ConstantVal)));
1011 }
1012
1013
1014 LLVMValueRef LLVMConstFNeg(LLVMValueRef ConstantVal) {
1015   return wrap(ConstantExpr::getFNeg(unwrap<Constant>(ConstantVal)));
1016 }
1017
1018 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal) {
1019   return wrap(ConstantExpr::getNot(unwrap<Constant>(ConstantVal)));
1020 }
1021
1022 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1023   return wrap(ConstantExpr::getAdd(unwrap<Constant>(LHSConstant),
1024                                    unwrap<Constant>(RHSConstant)));
1025 }
1026
1027 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant,
1028                              LLVMValueRef RHSConstant) {
1029   return wrap(ConstantExpr::getNSWAdd(unwrap<Constant>(LHSConstant),
1030                                       unwrap<Constant>(RHSConstant)));
1031 }
1032
1033 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant,
1034                              LLVMValueRef RHSConstant) {
1035   return wrap(ConstantExpr::getNUWAdd(unwrap<Constant>(LHSConstant),
1036                                       unwrap<Constant>(RHSConstant)));
1037 }
1038
1039 LLVMValueRef LLVMConstFAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1040   return wrap(ConstantExpr::getFAdd(unwrap<Constant>(LHSConstant),
1041                                     unwrap<Constant>(RHSConstant)));
1042 }
1043
1044 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1045   return wrap(ConstantExpr::getSub(unwrap<Constant>(LHSConstant),
1046                                    unwrap<Constant>(RHSConstant)));
1047 }
1048
1049 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant,
1050                              LLVMValueRef RHSConstant) {
1051   return wrap(ConstantExpr::getNSWSub(unwrap<Constant>(LHSConstant),
1052                                       unwrap<Constant>(RHSConstant)));
1053 }
1054
1055 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant,
1056                              LLVMValueRef RHSConstant) {
1057   return wrap(ConstantExpr::getNUWSub(unwrap<Constant>(LHSConstant),
1058                                       unwrap<Constant>(RHSConstant)));
1059 }
1060
1061 LLVMValueRef LLVMConstFSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1062   return wrap(ConstantExpr::getFSub(unwrap<Constant>(LHSConstant),
1063                                     unwrap<Constant>(RHSConstant)));
1064 }
1065
1066 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1067   return wrap(ConstantExpr::getMul(unwrap<Constant>(LHSConstant),
1068                                    unwrap<Constant>(RHSConstant)));
1069 }
1070
1071 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant,
1072                              LLVMValueRef RHSConstant) {
1073   return wrap(ConstantExpr::getNSWMul(unwrap<Constant>(LHSConstant),
1074                                       unwrap<Constant>(RHSConstant)));
1075 }
1076
1077 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant,
1078                              LLVMValueRef RHSConstant) {
1079   return wrap(ConstantExpr::getNUWMul(unwrap<Constant>(LHSConstant),
1080                                       unwrap<Constant>(RHSConstant)));
1081 }
1082
1083 LLVMValueRef LLVMConstFMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1084   return wrap(ConstantExpr::getFMul(unwrap<Constant>(LHSConstant),
1085                                     unwrap<Constant>(RHSConstant)));
1086 }
1087
1088 LLVMValueRef LLVMConstUDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1089   return wrap(ConstantExpr::getUDiv(unwrap<Constant>(LHSConstant),
1090                                     unwrap<Constant>(RHSConstant)));
1091 }
1092
1093 LLVMValueRef LLVMConstSDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1094   return wrap(ConstantExpr::getSDiv(unwrap<Constant>(LHSConstant),
1095                                     unwrap<Constant>(RHSConstant)));
1096 }
1097
1098 LLVMValueRef LLVMConstExactSDiv(LLVMValueRef LHSConstant,
1099                                 LLVMValueRef RHSConstant) {
1100   return wrap(ConstantExpr::getExactSDiv(unwrap<Constant>(LHSConstant),
1101                                          unwrap<Constant>(RHSConstant)));
1102 }
1103
1104 LLVMValueRef LLVMConstFDiv(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1105   return wrap(ConstantExpr::getFDiv(unwrap<Constant>(LHSConstant),
1106                                     unwrap<Constant>(RHSConstant)));
1107 }
1108
1109 LLVMValueRef LLVMConstURem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1110   return wrap(ConstantExpr::getURem(unwrap<Constant>(LHSConstant),
1111                                     unwrap<Constant>(RHSConstant)));
1112 }
1113
1114 LLVMValueRef LLVMConstSRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1115   return wrap(ConstantExpr::getSRem(unwrap<Constant>(LHSConstant),
1116                                     unwrap<Constant>(RHSConstant)));
1117 }
1118
1119 LLVMValueRef LLVMConstFRem(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1120   return wrap(ConstantExpr::getFRem(unwrap<Constant>(LHSConstant),
1121                                     unwrap<Constant>(RHSConstant)));
1122 }
1123
1124 LLVMValueRef LLVMConstAnd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1125   return wrap(ConstantExpr::getAnd(unwrap<Constant>(LHSConstant),
1126                                    unwrap<Constant>(RHSConstant)));
1127 }
1128
1129 LLVMValueRef LLVMConstOr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1130   return wrap(ConstantExpr::getOr(unwrap<Constant>(LHSConstant),
1131                                   unwrap<Constant>(RHSConstant)));
1132 }
1133
1134 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1135   return wrap(ConstantExpr::getXor(unwrap<Constant>(LHSConstant),
1136                                    unwrap<Constant>(RHSConstant)));
1137 }
1138
1139 LLVMValueRef LLVMConstICmp(LLVMIntPredicate Predicate,
1140                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1141   return wrap(ConstantExpr::getICmp(Predicate,
1142                                     unwrap<Constant>(LHSConstant),
1143                                     unwrap<Constant>(RHSConstant)));
1144 }
1145
1146 LLVMValueRef LLVMConstFCmp(LLVMRealPredicate Predicate,
1147                            LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1148   return wrap(ConstantExpr::getFCmp(Predicate,
1149                                     unwrap<Constant>(LHSConstant),
1150                                     unwrap<Constant>(RHSConstant)));
1151 }
1152
1153 LLVMValueRef LLVMConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1154   return wrap(ConstantExpr::getShl(unwrap<Constant>(LHSConstant),
1155                                    unwrap<Constant>(RHSConstant)));
1156 }
1157
1158 LLVMValueRef LLVMConstLShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1159   return wrap(ConstantExpr::getLShr(unwrap<Constant>(LHSConstant),
1160                                     unwrap<Constant>(RHSConstant)));
1161 }
1162
1163 LLVMValueRef LLVMConstAShr(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1164   return wrap(ConstantExpr::getAShr(unwrap<Constant>(LHSConstant),
1165                                     unwrap<Constant>(RHSConstant)));
1166 }
1167
1168 LLVMValueRef LLVMConstGEP(LLVMValueRef ConstantVal,
1169                           LLVMValueRef *ConstantIndices, unsigned NumIndices) {
1170   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1171                                NumIndices);
1172   return wrap(ConstantExpr::getGetElementPtr(
1173       nullptr, unwrap<Constant>(ConstantVal), IdxList));
1174 }
1175
1176 LLVMValueRef LLVMConstInBoundsGEP(LLVMValueRef ConstantVal,
1177                                   LLVMValueRef *ConstantIndices,
1178                                   unsigned NumIndices) {
1179   Constant* Val = unwrap<Constant>(ConstantVal);
1180   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1181                                NumIndices);
1182   return wrap(ConstantExpr::getInBoundsGetElementPtr(nullptr, Val, IdxList));
1183 }
1184
1185 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1186   return wrap(ConstantExpr::getTrunc(unwrap<Constant>(ConstantVal),
1187                                      unwrap(ToType)));
1188 }
1189
1190 LLVMValueRef LLVMConstSExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1191   return wrap(ConstantExpr::getSExt(unwrap<Constant>(ConstantVal),
1192                                     unwrap(ToType)));
1193 }
1194
1195 LLVMValueRef LLVMConstZExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1196   return wrap(ConstantExpr::getZExt(unwrap<Constant>(ConstantVal),
1197                                     unwrap(ToType)));
1198 }
1199
1200 LLVMValueRef LLVMConstFPTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1201   return wrap(ConstantExpr::getFPTrunc(unwrap<Constant>(ConstantVal),
1202                                        unwrap(ToType)));
1203 }
1204
1205 LLVMValueRef LLVMConstFPExt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1206   return wrap(ConstantExpr::getFPExtend(unwrap<Constant>(ConstantVal),
1207                                         unwrap(ToType)));
1208 }
1209
1210 LLVMValueRef LLVMConstUIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1211   return wrap(ConstantExpr::getUIToFP(unwrap<Constant>(ConstantVal),
1212                                       unwrap(ToType)));
1213 }
1214
1215 LLVMValueRef LLVMConstSIToFP(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1216   return wrap(ConstantExpr::getSIToFP(unwrap<Constant>(ConstantVal),
1217                                       unwrap(ToType)));
1218 }
1219
1220 LLVMValueRef LLVMConstFPToUI(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1221   return wrap(ConstantExpr::getFPToUI(unwrap<Constant>(ConstantVal),
1222                                       unwrap(ToType)));
1223 }
1224
1225 LLVMValueRef LLVMConstFPToSI(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1226   return wrap(ConstantExpr::getFPToSI(unwrap<Constant>(ConstantVal),
1227                                       unwrap(ToType)));
1228 }
1229
1230 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1231   return wrap(ConstantExpr::getPtrToInt(unwrap<Constant>(ConstantVal),
1232                                         unwrap(ToType)));
1233 }
1234
1235 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1236   return wrap(ConstantExpr::getIntToPtr(unwrap<Constant>(ConstantVal),
1237                                         unwrap(ToType)));
1238 }
1239
1240 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1241   return wrap(ConstantExpr::getBitCast(unwrap<Constant>(ConstantVal),
1242                                        unwrap(ToType)));
1243 }
1244
1245 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal,
1246                                     LLVMTypeRef ToType) {
1247   return wrap(ConstantExpr::getAddrSpaceCast(unwrap<Constant>(ConstantVal),
1248                                              unwrap(ToType)));
1249 }
1250
1251 LLVMValueRef LLVMConstZExtOrBitCast(LLVMValueRef ConstantVal,
1252                                     LLVMTypeRef ToType) {
1253   return wrap(ConstantExpr::getZExtOrBitCast(unwrap<Constant>(ConstantVal),
1254                                              unwrap(ToType)));
1255 }
1256
1257 LLVMValueRef LLVMConstSExtOrBitCast(LLVMValueRef ConstantVal,
1258                                     LLVMTypeRef ToType) {
1259   return wrap(ConstantExpr::getSExtOrBitCast(unwrap<Constant>(ConstantVal),
1260                                              unwrap(ToType)));
1261 }
1262
1263 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
1264                                      LLVMTypeRef ToType) {
1265   return wrap(ConstantExpr::getTruncOrBitCast(unwrap<Constant>(ConstantVal),
1266                                               unwrap(ToType)));
1267 }
1268
1269 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
1270                                   LLVMTypeRef ToType) {
1271   return wrap(ConstantExpr::getPointerCast(unwrap<Constant>(ConstantVal),
1272                                            unwrap(ToType)));
1273 }
1274
1275 LLVMValueRef LLVMConstIntCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType,
1276                               LLVMBool isSigned) {
1277   return wrap(ConstantExpr::getIntegerCast(unwrap<Constant>(ConstantVal),
1278                                            unwrap(ToType), isSigned));
1279 }
1280
1281 LLVMValueRef LLVMConstFPCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1282   return wrap(ConstantExpr::getFPCast(unwrap<Constant>(ConstantVal),
1283                                       unwrap(ToType)));
1284 }
1285
1286 LLVMValueRef LLVMConstSelect(LLVMValueRef ConstantCondition,
1287                              LLVMValueRef ConstantIfTrue,
1288                              LLVMValueRef ConstantIfFalse) {
1289   return wrap(ConstantExpr::getSelect(unwrap<Constant>(ConstantCondition),
1290                                       unwrap<Constant>(ConstantIfTrue),
1291                                       unwrap<Constant>(ConstantIfFalse)));
1292 }
1293
1294 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
1295                                      LLVMValueRef IndexConstant) {
1296   return wrap(ConstantExpr::getExtractElement(unwrap<Constant>(VectorConstant),
1297                                               unwrap<Constant>(IndexConstant)));
1298 }
1299
1300 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
1301                                     LLVMValueRef ElementValueConstant,
1302                                     LLVMValueRef IndexConstant) {
1303   return wrap(ConstantExpr::getInsertElement(unwrap<Constant>(VectorConstant),
1304                                          unwrap<Constant>(ElementValueConstant),
1305                                              unwrap<Constant>(IndexConstant)));
1306 }
1307
1308 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
1309                                     LLVMValueRef VectorBConstant,
1310                                     LLVMValueRef MaskConstant) {
1311   return wrap(ConstantExpr::getShuffleVector(unwrap<Constant>(VectorAConstant),
1312                                              unwrap<Constant>(VectorBConstant),
1313                                              unwrap<Constant>(MaskConstant)));
1314 }
1315
1316 LLVMValueRef LLVMConstExtractValue(LLVMValueRef AggConstant, unsigned *IdxList,
1317                                    unsigned NumIdx) {
1318   return wrap(ConstantExpr::getExtractValue(unwrap<Constant>(AggConstant),
1319                                             makeArrayRef(IdxList, NumIdx)));
1320 }
1321
1322 LLVMValueRef LLVMConstInsertValue(LLVMValueRef AggConstant,
1323                                   LLVMValueRef ElementValueConstant,
1324                                   unsigned *IdxList, unsigned NumIdx) {
1325   return wrap(ConstantExpr::getInsertValue(unwrap<Constant>(AggConstant),
1326                                          unwrap<Constant>(ElementValueConstant),
1327                                            makeArrayRef(IdxList, NumIdx)));
1328 }
1329
1330 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty, const char *AsmString,
1331                                 const char *Constraints,
1332                                 LLVMBool HasSideEffects,
1333                                 LLVMBool IsAlignStack) {
1334   return wrap(InlineAsm::get(dyn_cast<FunctionType>(unwrap(Ty)), AsmString,
1335                              Constraints, HasSideEffects, IsAlignStack));
1336 }
1337
1338 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB) {
1339   return wrap(BlockAddress::get(unwrap<Function>(F), unwrap(BB)));
1340 }
1341
1342 /*--.. Operations on global variables, functions, and aliases (globals) ....--*/
1343
1344 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global) {
1345   return wrap(unwrap<GlobalValue>(Global)->getParent());
1346 }
1347
1348 LLVMBool LLVMIsDeclaration(LLVMValueRef Global) {
1349   return unwrap<GlobalValue>(Global)->isDeclaration();
1350 }
1351
1352 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global) {
1353   switch (unwrap<GlobalValue>(Global)->getLinkage()) {
1354   case GlobalValue::ExternalLinkage:
1355     return LLVMExternalLinkage;
1356   case GlobalValue::AvailableExternallyLinkage:
1357     return LLVMAvailableExternallyLinkage;
1358   case GlobalValue::LinkOnceAnyLinkage:
1359     return LLVMLinkOnceAnyLinkage;
1360   case GlobalValue::LinkOnceODRLinkage:
1361     return LLVMLinkOnceODRLinkage;
1362   case GlobalValue::WeakAnyLinkage:
1363     return LLVMWeakAnyLinkage;
1364   case GlobalValue::WeakODRLinkage:
1365     return LLVMWeakODRLinkage;
1366   case GlobalValue::AppendingLinkage:
1367     return LLVMAppendingLinkage;
1368   case GlobalValue::InternalLinkage:
1369     return LLVMInternalLinkage;
1370   case GlobalValue::PrivateLinkage:
1371     return LLVMPrivateLinkage;
1372   case GlobalValue::ExternalWeakLinkage:
1373     return LLVMExternalWeakLinkage;
1374   case GlobalValue::CommonLinkage:
1375     return LLVMCommonLinkage;
1376   }
1377
1378   llvm_unreachable("Invalid GlobalValue linkage!");
1379 }
1380
1381 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage) {
1382   GlobalValue *GV = unwrap<GlobalValue>(Global);
1383
1384   switch (Linkage) {
1385   case LLVMExternalLinkage:
1386     GV->setLinkage(GlobalValue::ExternalLinkage);
1387     break;
1388   case LLVMAvailableExternallyLinkage:
1389     GV->setLinkage(GlobalValue::AvailableExternallyLinkage);
1390     break;
1391   case LLVMLinkOnceAnyLinkage:
1392     GV->setLinkage(GlobalValue::LinkOnceAnyLinkage);
1393     break;
1394   case LLVMLinkOnceODRLinkage:
1395     GV->setLinkage(GlobalValue::LinkOnceODRLinkage);
1396     break;
1397   case LLVMLinkOnceODRAutoHideLinkage:
1398     DEBUG(errs() << "LLVMSetLinkage(): LLVMLinkOnceODRAutoHideLinkage is no "
1399                     "longer supported.");
1400     break;
1401   case LLVMWeakAnyLinkage:
1402     GV->setLinkage(GlobalValue::WeakAnyLinkage);
1403     break;
1404   case LLVMWeakODRLinkage:
1405     GV->setLinkage(GlobalValue::WeakODRLinkage);
1406     break;
1407   case LLVMAppendingLinkage:
1408     GV->setLinkage(GlobalValue::AppendingLinkage);
1409     break;
1410   case LLVMInternalLinkage:
1411     GV->setLinkage(GlobalValue::InternalLinkage);
1412     break;
1413   case LLVMPrivateLinkage:
1414     GV->setLinkage(GlobalValue::PrivateLinkage);
1415     break;
1416   case LLVMLinkerPrivateLinkage:
1417     GV->setLinkage(GlobalValue::PrivateLinkage);
1418     break;
1419   case LLVMLinkerPrivateWeakLinkage:
1420     GV->setLinkage(GlobalValue::PrivateLinkage);
1421     break;
1422   case LLVMDLLImportLinkage:
1423     DEBUG(errs()
1424           << "LLVMSetLinkage(): LLVMDLLImportLinkage is no longer supported.");
1425     break;
1426   case LLVMDLLExportLinkage:
1427     DEBUG(errs()
1428           << "LLVMSetLinkage(): LLVMDLLExportLinkage is no longer supported.");
1429     break;
1430   case LLVMExternalWeakLinkage:
1431     GV->setLinkage(GlobalValue::ExternalWeakLinkage);
1432     break;
1433   case LLVMGhostLinkage:
1434     DEBUG(errs()
1435           << "LLVMSetLinkage(): LLVMGhostLinkage is no longer supported.");
1436     break;
1437   case LLVMCommonLinkage:
1438     GV->setLinkage(GlobalValue::CommonLinkage);
1439     break;
1440   }
1441 }
1442
1443 const char *LLVMGetSection(LLVMValueRef Global) {
1444   return unwrap<GlobalValue>(Global)->getSection();
1445 }
1446
1447 void LLVMSetSection(LLVMValueRef Global, const char *Section) {
1448   unwrap<GlobalObject>(Global)->setSection(Section);
1449 }
1450
1451 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global) {
1452   return static_cast<LLVMVisibility>(
1453     unwrap<GlobalValue>(Global)->getVisibility());
1454 }
1455
1456 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz) {
1457   unwrap<GlobalValue>(Global)
1458     ->setVisibility(static_cast<GlobalValue::VisibilityTypes>(Viz));
1459 }
1460
1461 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global) {
1462   return static_cast<LLVMDLLStorageClass>(
1463       unwrap<GlobalValue>(Global)->getDLLStorageClass());
1464 }
1465
1466 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class) {
1467   unwrap<GlobalValue>(Global)->setDLLStorageClass(
1468       static_cast<GlobalValue::DLLStorageClassTypes>(Class));
1469 }
1470
1471 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global) {
1472   return unwrap<GlobalValue>(Global)->hasUnnamedAddr();
1473 }
1474
1475 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr) {
1476   unwrap<GlobalValue>(Global)->setUnnamedAddr(HasUnnamedAddr);
1477 }
1478
1479 /*--.. Operations on global variables, load and store instructions .........--*/
1480
1481 unsigned LLVMGetAlignment(LLVMValueRef V) {
1482   Value *P = unwrap<Value>(V);
1483   if (GlobalValue *GV = dyn_cast<GlobalValue>(P))
1484     return GV->getAlignment();
1485   if (AllocaInst *AI = dyn_cast<AllocaInst>(P))
1486     return AI->getAlignment();
1487   if (LoadInst *LI = dyn_cast<LoadInst>(P))
1488     return LI->getAlignment();
1489   if (StoreInst *SI = dyn_cast<StoreInst>(P))
1490     return SI->getAlignment();
1491
1492   llvm_unreachable(
1493       "only GlobalValue, AllocaInst, LoadInst and StoreInst have alignment");
1494 }
1495
1496 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes) {
1497   Value *P = unwrap<Value>(V);
1498   if (GlobalObject *GV = dyn_cast<GlobalObject>(P))
1499     GV->setAlignment(Bytes);
1500   else if (AllocaInst *AI = dyn_cast<AllocaInst>(P))
1501     AI->setAlignment(Bytes);
1502   else if (LoadInst *LI = dyn_cast<LoadInst>(P))
1503     LI->setAlignment(Bytes);
1504   else if (StoreInst *SI = dyn_cast<StoreInst>(P))
1505     SI->setAlignment(Bytes);
1506   else
1507     llvm_unreachable(
1508         "only GlobalValue, AllocaInst, LoadInst and StoreInst have alignment");
1509 }
1510
1511 /*--.. Operations on global variables ......................................--*/
1512
1513 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name) {
1514   return wrap(new GlobalVariable(*unwrap(M), unwrap(Ty), false,
1515                                  GlobalValue::ExternalLinkage, nullptr, Name));
1516 }
1517
1518 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
1519                                          const char *Name,
1520                                          unsigned AddressSpace) {
1521   return wrap(new GlobalVariable(*unwrap(M), unwrap(Ty), false,
1522                                  GlobalValue::ExternalLinkage, nullptr, Name,
1523                                  nullptr, GlobalVariable::NotThreadLocal,
1524                                  AddressSpace));
1525 }
1526
1527 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name) {
1528   return wrap(unwrap(M)->getNamedGlobal(Name));
1529 }
1530
1531 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M) {
1532   Module *Mod = unwrap(M);
1533   Module::global_iterator I = Mod->global_begin();
1534   if (I == Mod->global_end())
1535     return nullptr;
1536   return wrap(I);
1537 }
1538
1539 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M) {
1540   Module *Mod = unwrap(M);
1541   Module::global_iterator I = Mod->global_end();
1542   if (I == Mod->global_begin())
1543     return nullptr;
1544   return wrap(--I);
1545 }
1546
1547 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar) {
1548   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
1549   Module::global_iterator I = GV;
1550   if (++I == GV->getParent()->global_end())
1551     return nullptr;
1552   return wrap(I);
1553 }
1554
1555 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar) {
1556   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
1557   Module::global_iterator I = GV;
1558   if (I == GV->getParent()->global_begin())
1559     return nullptr;
1560   return wrap(--I);
1561 }
1562
1563 void LLVMDeleteGlobal(LLVMValueRef GlobalVar) {
1564   unwrap<GlobalVariable>(GlobalVar)->eraseFromParent();
1565 }
1566
1567 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar) {
1568   GlobalVariable* GV = unwrap<GlobalVariable>(GlobalVar);
1569   if ( !GV->hasInitializer() )
1570     return nullptr;
1571   return wrap(GV->getInitializer());
1572 }
1573
1574 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal) {
1575   unwrap<GlobalVariable>(GlobalVar)
1576     ->setInitializer(unwrap<Constant>(ConstantVal));
1577 }
1578
1579 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar) {
1580   return unwrap<GlobalVariable>(GlobalVar)->isThreadLocal();
1581 }
1582
1583 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal) {
1584   unwrap<GlobalVariable>(GlobalVar)->setThreadLocal(IsThreadLocal != 0);
1585 }
1586
1587 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar) {
1588   return unwrap<GlobalVariable>(GlobalVar)->isConstant();
1589 }
1590
1591 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant) {
1592   unwrap<GlobalVariable>(GlobalVar)->setConstant(IsConstant != 0);
1593 }
1594
1595 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar) {
1596   switch (unwrap<GlobalVariable>(GlobalVar)->getThreadLocalMode()) {
1597   case GlobalVariable::NotThreadLocal:
1598     return LLVMNotThreadLocal;
1599   case GlobalVariable::GeneralDynamicTLSModel:
1600     return LLVMGeneralDynamicTLSModel;
1601   case GlobalVariable::LocalDynamicTLSModel:
1602     return LLVMLocalDynamicTLSModel;
1603   case GlobalVariable::InitialExecTLSModel:
1604     return LLVMInitialExecTLSModel;
1605   case GlobalVariable::LocalExecTLSModel:
1606     return LLVMLocalExecTLSModel;
1607   }
1608
1609   llvm_unreachable("Invalid GlobalVariable thread local mode");
1610 }
1611
1612 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode) {
1613   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
1614
1615   switch (Mode) {
1616   case LLVMNotThreadLocal:
1617     GV->setThreadLocalMode(GlobalVariable::NotThreadLocal);
1618     break;
1619   case LLVMGeneralDynamicTLSModel:
1620     GV->setThreadLocalMode(GlobalVariable::GeneralDynamicTLSModel);
1621     break;
1622   case LLVMLocalDynamicTLSModel:
1623     GV->setThreadLocalMode(GlobalVariable::LocalDynamicTLSModel);
1624     break;
1625   case LLVMInitialExecTLSModel:
1626     GV->setThreadLocalMode(GlobalVariable::InitialExecTLSModel);
1627     break;
1628   case LLVMLocalExecTLSModel:
1629     GV->setThreadLocalMode(GlobalVariable::LocalExecTLSModel);
1630     break;
1631   }
1632 }
1633
1634 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar) {
1635   return unwrap<GlobalVariable>(GlobalVar)->isExternallyInitialized();
1636 }
1637
1638 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit) {
1639   unwrap<GlobalVariable>(GlobalVar)->setExternallyInitialized(IsExtInit);
1640 }
1641
1642 /*--.. Operations on aliases ......................................--*/
1643
1644 LLVMValueRef LLVMAddAlias(LLVMModuleRef M, LLVMTypeRef Ty, LLVMValueRef Aliasee,
1645                           const char *Name) {
1646   auto *PTy = cast<PointerType>(unwrap(Ty));
1647   return wrap(GlobalAlias::create(PTy, GlobalValue::ExternalLinkage, Name,
1648                                   unwrap<Constant>(Aliasee), unwrap(M)));
1649 }
1650
1651 /*--.. Operations on functions .............................................--*/
1652
1653 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
1654                              LLVMTypeRef FunctionTy) {
1655   return wrap(Function::Create(unwrap<FunctionType>(FunctionTy),
1656                                GlobalValue::ExternalLinkage, Name, unwrap(M)));
1657 }
1658
1659 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name) {
1660   return wrap(unwrap(M)->getFunction(Name));
1661 }
1662
1663 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M) {
1664   Module *Mod = unwrap(M);
1665   Module::iterator I = Mod->begin();
1666   if (I == Mod->end())
1667     return nullptr;
1668   return wrap(I);
1669 }
1670
1671 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M) {
1672   Module *Mod = unwrap(M);
1673   Module::iterator I = Mod->end();
1674   if (I == Mod->begin())
1675     return nullptr;
1676   return wrap(--I);
1677 }
1678
1679 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn) {
1680   Function *Func = unwrap<Function>(Fn);
1681   Module::iterator I = Func;
1682   if (++I == Func->getParent()->end())
1683     return nullptr;
1684   return wrap(I);
1685 }
1686
1687 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn) {
1688   Function *Func = unwrap<Function>(Fn);
1689   Module::iterator I = Func;
1690   if (I == Func->getParent()->begin())
1691     return nullptr;
1692   return wrap(--I);
1693 }
1694
1695 void LLVMDeleteFunction(LLVMValueRef Fn) {
1696   unwrap<Function>(Fn)->eraseFromParent();
1697 }
1698
1699 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn) {
1700   return wrap(unwrap<Function>(Fn)->getPersonalityFn());
1701 }
1702
1703 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn) {
1704   unwrap<Function>(Fn)->setPersonalityFn(unwrap<Constant>(PersonalityFn));
1705 }
1706
1707 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn) {
1708   if (Function *F = dyn_cast<Function>(unwrap(Fn)))
1709     return F->getIntrinsicID();
1710   return 0;
1711 }
1712
1713 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn) {
1714   return unwrap<Function>(Fn)->getCallingConv();
1715 }
1716
1717 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC) {
1718   return unwrap<Function>(Fn)->setCallingConv(
1719     static_cast<CallingConv::ID>(CC));
1720 }
1721
1722 const char *LLVMGetGC(LLVMValueRef Fn) {
1723   Function *F = unwrap<Function>(Fn);
1724   return F->hasGC()? F->getGC() : nullptr;
1725 }
1726
1727 void LLVMSetGC(LLVMValueRef Fn, const char *GC) {
1728   Function *F = unwrap<Function>(Fn);
1729   if (GC)
1730     F->setGC(GC);
1731   else
1732     F->clearGC();
1733 }
1734
1735 void LLVMAddFunctionAttr(LLVMValueRef Fn, LLVMAttribute PA) {
1736   Function *Func = unwrap<Function>(Fn);
1737   const AttributeSet PAL = Func->getAttributes();
1738   AttrBuilder B(PA);
1739   const AttributeSet PALnew =
1740     PAL.addAttributes(Func->getContext(), AttributeSet::FunctionIndex,
1741                       AttributeSet::get(Func->getContext(),
1742                                         AttributeSet::FunctionIndex, B));
1743   Func->setAttributes(PALnew);
1744 }
1745
1746 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
1747                                         const char *V) {
1748   Function *Func = unwrap<Function>(Fn);
1749   AttributeSet::AttrIndex Idx =
1750     AttributeSet::AttrIndex(AttributeSet::FunctionIndex);
1751   AttrBuilder B;
1752
1753   B.addAttribute(A, V);
1754   AttributeSet Set = AttributeSet::get(Func->getContext(), Idx, B);
1755   Func->addAttributes(Idx, Set);
1756 }
1757
1758 void LLVMRemoveFunctionAttr(LLVMValueRef Fn, LLVMAttribute PA) {
1759   Function *Func = unwrap<Function>(Fn);
1760   const AttributeSet PAL = Func->getAttributes();
1761   AttrBuilder B(PA);
1762   const AttributeSet PALnew =
1763     PAL.removeAttributes(Func->getContext(), AttributeSet::FunctionIndex,
1764                          AttributeSet::get(Func->getContext(),
1765                                            AttributeSet::FunctionIndex, B));
1766   Func->setAttributes(PALnew);
1767 }
1768
1769 LLVMAttribute LLVMGetFunctionAttr(LLVMValueRef Fn) {
1770   Function *Func = unwrap<Function>(Fn);
1771   const AttributeSet PAL = Func->getAttributes();
1772   return (LLVMAttribute)PAL.Raw(AttributeSet::FunctionIndex);
1773 }
1774
1775 /*--.. Operations on parameters ............................................--*/
1776
1777 unsigned LLVMCountParams(LLVMValueRef FnRef) {
1778   // This function is strictly redundant to
1779   //   LLVMCountParamTypes(LLVMGetElementType(LLVMTypeOf(FnRef)))
1780   return unwrap<Function>(FnRef)->arg_size();
1781 }
1782
1783 void LLVMGetParams(LLVMValueRef FnRef, LLVMValueRef *ParamRefs) {
1784   Function *Fn = unwrap<Function>(FnRef);
1785   for (Function::arg_iterator I = Fn->arg_begin(),
1786                               E = Fn->arg_end(); I != E; I++)
1787     *ParamRefs++ = wrap(I);
1788 }
1789
1790 LLVMValueRef LLVMGetParam(LLVMValueRef FnRef, unsigned index) {
1791   Function::arg_iterator AI = unwrap<Function>(FnRef)->arg_begin();
1792   while (index --> 0)
1793     AI++;
1794   return wrap(AI);
1795 }
1796
1797 LLVMValueRef LLVMGetParamParent(LLVMValueRef V) {
1798   return wrap(unwrap<Argument>(V)->getParent());
1799 }
1800
1801 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn) {
1802   Function *Func = unwrap<Function>(Fn);
1803   Function::arg_iterator I = Func->arg_begin();
1804   if (I == Func->arg_end())
1805     return nullptr;
1806   return wrap(I);
1807 }
1808
1809 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn) {
1810   Function *Func = unwrap<Function>(Fn);
1811   Function::arg_iterator I = Func->arg_end();
1812   if (I == Func->arg_begin())
1813     return nullptr;
1814   return wrap(--I);
1815 }
1816
1817 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg) {
1818   Argument *A = unwrap<Argument>(Arg);
1819   Function::arg_iterator I = A;
1820   if (++I == A->getParent()->arg_end())
1821     return nullptr;
1822   return wrap(I);
1823 }
1824
1825 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg) {
1826   Argument *A = unwrap<Argument>(Arg);
1827   Function::arg_iterator I = A;
1828   if (I == A->getParent()->arg_begin())
1829     return nullptr;
1830   return wrap(--I);
1831 }
1832
1833 void LLVMAddAttribute(LLVMValueRef Arg, LLVMAttribute PA) {
1834   Argument *A = unwrap<Argument>(Arg);
1835   AttrBuilder B(PA);
1836   A->addAttr(AttributeSet::get(A->getContext(), A->getArgNo() + 1,  B));
1837 }
1838
1839 void LLVMRemoveAttribute(LLVMValueRef Arg, LLVMAttribute PA) {
1840   Argument *A = unwrap<Argument>(Arg);
1841   AttrBuilder B(PA);
1842   A->removeAttr(AttributeSet::get(A->getContext(), A->getArgNo() + 1,  B));
1843 }
1844
1845 LLVMAttribute LLVMGetAttribute(LLVMValueRef Arg) {
1846   Argument *A = unwrap<Argument>(Arg);
1847   return (LLVMAttribute)A->getParent()->getAttributes().
1848     Raw(A->getArgNo()+1);
1849 }
1850
1851
1852 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned align) {
1853   Argument *A = unwrap<Argument>(Arg);
1854   AttrBuilder B;
1855   B.addAlignmentAttr(align);
1856   A->addAttr(AttributeSet::get(A->getContext(),A->getArgNo() + 1, B));
1857 }
1858
1859 /*--.. Operations on basic blocks ..........................................--*/
1860
1861 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB) {
1862   return wrap(static_cast<Value*>(unwrap(BB)));
1863 }
1864
1865 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val) {
1866   return isa<BasicBlock>(unwrap(Val));
1867 }
1868
1869 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val) {
1870   return wrap(unwrap<BasicBlock>(Val));
1871 }
1872
1873 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB) {
1874   return wrap(unwrap(BB)->getParent());
1875 }
1876
1877 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB) {
1878   return wrap(unwrap(BB)->getTerminator());
1879 }
1880
1881 unsigned LLVMCountBasicBlocks(LLVMValueRef FnRef) {
1882   return unwrap<Function>(FnRef)->size();
1883 }
1884
1885 void LLVMGetBasicBlocks(LLVMValueRef FnRef, LLVMBasicBlockRef *BasicBlocksRefs){
1886   Function *Fn = unwrap<Function>(FnRef);
1887   for (Function::iterator I = Fn->begin(), E = Fn->end(); I != E; I++)
1888     *BasicBlocksRefs++ = wrap(I);
1889 }
1890
1891 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn) {
1892   return wrap(&unwrap<Function>(Fn)->getEntryBlock());
1893 }
1894
1895 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn) {
1896   Function *Func = unwrap<Function>(Fn);
1897   Function::iterator I = Func->begin();
1898   if (I == Func->end())
1899     return nullptr;
1900   return wrap(I);
1901 }
1902
1903 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn) {
1904   Function *Func = unwrap<Function>(Fn);
1905   Function::iterator I = Func->end();
1906   if (I == Func->begin())
1907     return nullptr;
1908   return wrap(--I);
1909 }
1910
1911 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB) {
1912   BasicBlock *Block = unwrap(BB);
1913   Function::iterator I = Block;
1914   if (++I == Block->getParent()->end())
1915     return nullptr;
1916   return wrap(I);
1917 }
1918
1919 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB) {
1920   BasicBlock *Block = unwrap(BB);
1921   Function::iterator I = Block;
1922   if (I == Block->getParent()->begin())
1923     return nullptr;
1924   return wrap(--I);
1925 }
1926
1927 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
1928                                                 LLVMValueRef FnRef,
1929                                                 const char *Name) {
1930   return wrap(BasicBlock::Create(*unwrap(C), Name, unwrap<Function>(FnRef)));
1931 }
1932
1933 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef FnRef, const char *Name) {
1934   return LLVMAppendBasicBlockInContext(LLVMGetGlobalContext(), FnRef, Name);
1935 }
1936
1937 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
1938                                                 LLVMBasicBlockRef BBRef,
1939                                                 const char *Name) {
1940   BasicBlock *BB = unwrap(BBRef);
1941   return wrap(BasicBlock::Create(*unwrap(C), Name, BB->getParent(), BB));
1942 }
1943
1944 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef BBRef,
1945                                        const char *Name) {
1946   return LLVMInsertBasicBlockInContext(LLVMGetGlobalContext(), BBRef, Name);
1947 }
1948
1949 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BBRef) {
1950   unwrap(BBRef)->eraseFromParent();
1951 }
1952
1953 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BBRef) {
1954   unwrap(BBRef)->removeFromParent();
1955 }
1956
1957 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos) {
1958   unwrap(BB)->moveBefore(unwrap(MovePos));
1959 }
1960
1961 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos) {
1962   unwrap(BB)->moveAfter(unwrap(MovePos));
1963 }
1964
1965 /*--.. Operations on instructions ..........................................--*/
1966
1967 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst) {
1968   return wrap(unwrap<Instruction>(Inst)->getParent());
1969 }
1970
1971 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB) {
1972   BasicBlock *Block = unwrap(BB);
1973   BasicBlock::iterator I = Block->begin();
1974   if (I == Block->end())
1975     return nullptr;
1976   return wrap(I);
1977 }
1978
1979 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB) {
1980   BasicBlock *Block = unwrap(BB);
1981   BasicBlock::iterator I = Block->end();
1982   if (I == Block->begin())
1983     return nullptr;
1984   return wrap(--I);
1985 }
1986
1987 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst) {
1988   Instruction *Instr = unwrap<Instruction>(Inst);
1989   BasicBlock::iterator I = Instr;
1990   if (++I == Instr->getParent()->end())
1991     return nullptr;
1992   return wrap(I);
1993 }
1994
1995 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst) {
1996   Instruction *Instr = unwrap<Instruction>(Inst);
1997   BasicBlock::iterator I = Instr;
1998   if (I == Instr->getParent()->begin())
1999     return nullptr;
2000   return wrap(--I);
2001 }
2002
2003 void LLVMInstructionEraseFromParent(LLVMValueRef Inst) {
2004   unwrap<Instruction>(Inst)->eraseFromParent();
2005 }
2006
2007 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst) {
2008   if (ICmpInst *I = dyn_cast<ICmpInst>(unwrap(Inst)))
2009     return (LLVMIntPredicate)I->getPredicate();
2010   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(unwrap(Inst)))
2011     if (CE->getOpcode() == Instruction::ICmp)
2012       return (LLVMIntPredicate)CE->getPredicate();
2013   return (LLVMIntPredicate)0;
2014 }
2015
2016 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst) {
2017   if (FCmpInst *I = dyn_cast<FCmpInst>(unwrap(Inst)))
2018     return (LLVMRealPredicate)I->getPredicate();
2019   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(unwrap(Inst)))
2020     if (CE->getOpcode() == Instruction::FCmp)
2021       return (LLVMRealPredicate)CE->getPredicate();
2022   return (LLVMRealPredicate)0;
2023 }
2024
2025 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst) {
2026   if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
2027     return map_to_llvmopcode(C->getOpcode());
2028   return (LLVMOpcode)0;
2029 }
2030
2031 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst) {
2032   if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
2033     return wrap(C->clone());
2034   return nullptr;
2035 }
2036
2037 /*--.. Call and invoke instructions ........................................--*/
2038
2039 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr) {
2040   Value *V = unwrap(Instr);
2041   if (CallInst *CI = dyn_cast<CallInst>(V))
2042     return CI->getCallingConv();
2043   if (InvokeInst *II = dyn_cast<InvokeInst>(V))
2044     return II->getCallingConv();
2045   llvm_unreachable("LLVMGetInstructionCallConv applies only to call and invoke!");
2046 }
2047
2048 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC) {
2049   Value *V = unwrap(Instr);
2050   if (CallInst *CI = dyn_cast<CallInst>(V))
2051     return CI->setCallingConv(static_cast<CallingConv::ID>(CC));
2052   else if (InvokeInst *II = dyn_cast<InvokeInst>(V))
2053     return II->setCallingConv(static_cast<CallingConv::ID>(CC));
2054   llvm_unreachable("LLVMSetInstructionCallConv applies only to call and invoke!");
2055 }
2056
2057 void LLVMAddInstrAttribute(LLVMValueRef Instr, unsigned index,
2058                            LLVMAttribute PA) {
2059   CallSite Call = CallSite(unwrap<Instruction>(Instr));
2060   AttrBuilder B(PA);
2061   Call.setAttributes(
2062     Call.getAttributes().addAttributes(Call->getContext(), index,
2063                                        AttributeSet::get(Call->getContext(),
2064                                                          index, B)));
2065 }
2066
2067 void LLVMRemoveInstrAttribute(LLVMValueRef Instr, unsigned index,
2068                               LLVMAttribute PA) {
2069   CallSite Call = CallSite(unwrap<Instruction>(Instr));
2070   AttrBuilder B(PA);
2071   Call.setAttributes(Call.getAttributes()
2072                        .removeAttributes(Call->getContext(), index,
2073                                          AttributeSet::get(Call->getContext(),
2074                                                            index, B)));
2075 }
2076
2077 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, unsigned index,
2078                                 unsigned align) {
2079   CallSite Call = CallSite(unwrap<Instruction>(Instr));
2080   AttrBuilder B;
2081   B.addAlignmentAttr(align);
2082   Call.setAttributes(Call.getAttributes()
2083                        .addAttributes(Call->getContext(), index,
2084                                       AttributeSet::get(Call->getContext(),
2085                                                         index, B)));
2086 }
2087
2088 /*--.. Operations on call instructions (only) ..............................--*/
2089
2090 LLVMBool LLVMIsTailCall(LLVMValueRef Call) {
2091   return unwrap<CallInst>(Call)->isTailCall();
2092 }
2093
2094 void LLVMSetTailCall(LLVMValueRef Call, LLVMBool isTailCall) {
2095   unwrap<CallInst>(Call)->setTailCall(isTailCall);
2096 }
2097
2098 /*--.. Operations on terminators ...........................................--*/
2099
2100 unsigned LLVMGetNumSuccessors(LLVMValueRef Term) {
2101   return unwrap<TerminatorInst>(Term)->getNumSuccessors();
2102 }
2103
2104 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i) {
2105   return wrap(unwrap<TerminatorInst>(Term)->getSuccessor(i));
2106 }
2107
2108 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block) {
2109   return unwrap<TerminatorInst>(Term)->setSuccessor(i,unwrap(block));
2110 }
2111
2112 /*--.. Operations on branch instructions (only) ............................--*/
2113
2114 LLVMBool LLVMIsConditional(LLVMValueRef Branch) {
2115   return unwrap<BranchInst>(Branch)->isConditional();
2116 }
2117
2118 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch) {
2119   return wrap(unwrap<BranchInst>(Branch)->getCondition());
2120 }
2121
2122 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond) {
2123   return unwrap<BranchInst>(Branch)->setCondition(unwrap(Cond));
2124 }
2125
2126 /*--.. Operations on switch instructions (only) ............................--*/
2127
2128 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef Switch) {
2129   return wrap(unwrap<SwitchInst>(Switch)->getDefaultDest());
2130 }
2131
2132 /*--.. Operations on phi nodes .............................................--*/
2133
2134 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
2135                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count) {
2136   PHINode *PhiVal = unwrap<PHINode>(PhiNode);
2137   for (unsigned I = 0; I != Count; ++I)
2138     PhiVal->addIncoming(unwrap(IncomingValues[I]), unwrap(IncomingBlocks[I]));
2139 }
2140
2141 unsigned LLVMCountIncoming(LLVMValueRef PhiNode) {
2142   return unwrap<PHINode>(PhiNode)->getNumIncomingValues();
2143 }
2144
2145 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index) {
2146   return wrap(unwrap<PHINode>(PhiNode)->getIncomingValue(Index));
2147 }
2148
2149 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index) {
2150   return wrap(unwrap<PHINode>(PhiNode)->getIncomingBlock(Index));
2151 }
2152
2153
2154 /*===-- Instruction builders ----------------------------------------------===*/
2155
2156 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C) {
2157   return wrap(new IRBuilder<>(*unwrap(C)));
2158 }
2159
2160 LLVMBuilderRef LLVMCreateBuilder(void) {
2161   return LLVMCreateBuilderInContext(LLVMGetGlobalContext());
2162 }
2163
2164 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
2165                          LLVMValueRef Instr) {
2166   BasicBlock *BB = unwrap(Block);
2167   Instruction *I = Instr? unwrap<Instruction>(Instr) : (Instruction*) BB->end();
2168   unwrap(Builder)->SetInsertPoint(BB, I);
2169 }
2170
2171 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr) {
2172   Instruction *I = unwrap<Instruction>(Instr);
2173   unwrap(Builder)->SetInsertPoint(I->getParent(), I);
2174 }
2175
2176 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block) {
2177   BasicBlock *BB = unwrap(Block);
2178   unwrap(Builder)->SetInsertPoint(BB);
2179 }
2180
2181 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder) {
2182    return wrap(unwrap(Builder)->GetInsertBlock());
2183 }
2184
2185 void LLVMClearInsertionPosition(LLVMBuilderRef Builder) {
2186   unwrap(Builder)->ClearInsertionPoint();
2187 }
2188
2189 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr) {
2190   unwrap(Builder)->Insert(unwrap<Instruction>(Instr));
2191 }
2192
2193 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
2194                                    const char *Name) {
2195   unwrap(Builder)->Insert(unwrap<Instruction>(Instr), Name);
2196 }
2197
2198 void LLVMDisposeBuilder(LLVMBuilderRef Builder) {
2199   delete unwrap(Builder);
2200 }
2201
2202 /*--.. Metadata builders ...................................................--*/
2203
2204 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L) {
2205   MDNode *Loc =
2206       L ? cast<MDNode>(unwrap<MetadataAsValue>(L)->getMetadata()) : nullptr;
2207   unwrap(Builder)->SetCurrentDebugLocation(DebugLoc(Loc));
2208 }
2209
2210 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder) {
2211   LLVMContext &Context = unwrap(Builder)->getContext();
2212   return wrap(MetadataAsValue::get(
2213       Context, unwrap(Builder)->getCurrentDebugLocation().getAsMDNode()));
2214 }
2215
2216 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst) {
2217   unwrap(Builder)->SetInstDebugLocation(unwrap<Instruction>(Inst));
2218 }
2219
2220
2221 /*--.. Instruction builders ................................................--*/
2222
2223 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef B) {
2224   return wrap(unwrap(B)->CreateRetVoid());
2225 }
2226
2227 LLVMValueRef LLVMBuildRet(LLVMBuilderRef B, LLVMValueRef V) {
2228   return wrap(unwrap(B)->CreateRet(unwrap(V)));
2229 }
2230
2231 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef B, LLVMValueRef *RetVals,
2232                                    unsigned N) {
2233   return wrap(unwrap(B)->CreateAggregateRet(unwrap(RetVals), N));
2234 }
2235
2236 LLVMValueRef LLVMBuildBr(LLVMBuilderRef B, LLVMBasicBlockRef Dest) {
2237   return wrap(unwrap(B)->CreateBr(unwrap(Dest)));
2238 }
2239
2240 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef B, LLVMValueRef If,
2241                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else) {
2242   return wrap(unwrap(B)->CreateCondBr(unwrap(If), unwrap(Then), unwrap(Else)));
2243 }
2244
2245 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef B, LLVMValueRef V,
2246                              LLVMBasicBlockRef Else, unsigned NumCases) {
2247   return wrap(unwrap(B)->CreateSwitch(unwrap(V), unwrap(Else), NumCases));
2248 }
2249
2250 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
2251                                  unsigned NumDests) {
2252   return wrap(unwrap(B)->CreateIndirectBr(unwrap(Addr), NumDests));
2253 }
2254
2255 LLVMValueRef LLVMBuildInvoke(LLVMBuilderRef B, LLVMValueRef Fn,
2256                              LLVMValueRef *Args, unsigned NumArgs,
2257                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
2258                              const char *Name) {
2259   return wrap(unwrap(B)->CreateInvoke(unwrap(Fn), unwrap(Then), unwrap(Catch),
2260                                       makeArrayRef(unwrap(Args), NumArgs),
2261                                       Name));
2262 }
2263
2264 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
2265                                  LLVMValueRef PersFn, unsigned NumClauses,
2266                                  const char *Name) {
2267   // The personality used to live on the landingpad instruction, but now it
2268   // lives on the parent function. For compatibility, take the provided
2269   // personality and put it on the parent function.
2270   if (PersFn)
2271     unwrap(B)->GetInsertBlock()->getParent()->setPersonalityFn(
2272         cast<Function>(unwrap(PersFn)));
2273   return wrap(unwrap(B)->CreateLandingPad(unwrap(Ty), NumClauses, Name));
2274 }
2275
2276 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn) {
2277   return wrap(unwrap(B)->CreateResume(unwrap(Exn)));
2278 }
2279
2280 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef B) {
2281   return wrap(unwrap(B)->CreateUnreachable());
2282 }
2283
2284 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
2285                  LLVMBasicBlockRef Dest) {
2286   unwrap<SwitchInst>(Switch)->addCase(unwrap<ConstantInt>(OnVal), unwrap(Dest));
2287 }
2288
2289 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest) {
2290   unwrap<IndirectBrInst>(IndirectBr)->addDestination(unwrap(Dest));
2291 }
2292
2293 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal) {
2294   unwrap<LandingPadInst>(LandingPad)->
2295     addClause(cast<Constant>(unwrap(ClauseVal)));
2296 }
2297
2298 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val) {
2299   unwrap<LandingPadInst>(LandingPad)->setCleanup(Val);
2300 }
2301
2302 /*--.. Arithmetic ..........................................................--*/
2303
2304 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2305                           const char *Name) {
2306   return wrap(unwrap(B)->CreateAdd(unwrap(LHS), unwrap(RHS), Name));
2307 }
2308
2309 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2310                           const char *Name) {
2311   return wrap(unwrap(B)->CreateNSWAdd(unwrap(LHS), unwrap(RHS), Name));
2312 }
2313
2314 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2315                           const char *Name) {
2316   return wrap(unwrap(B)->CreateNUWAdd(unwrap(LHS), unwrap(RHS), Name));
2317 }
2318
2319 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2320                           const char *Name) {
2321   return wrap(unwrap(B)->CreateFAdd(unwrap(LHS), unwrap(RHS), Name));
2322 }
2323
2324 LLVMValueRef LLVMBuildSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2325                           const char *Name) {
2326   return wrap(unwrap(B)->CreateSub(unwrap(LHS), unwrap(RHS), Name));
2327 }
2328
2329 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2330                           const char *Name) {
2331   return wrap(unwrap(B)->CreateNSWSub(unwrap(LHS), unwrap(RHS), Name));
2332 }
2333
2334 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2335                           const char *Name) {
2336   return wrap(unwrap(B)->CreateNUWSub(unwrap(LHS), unwrap(RHS), Name));
2337 }
2338
2339 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2340                           const char *Name) {
2341   return wrap(unwrap(B)->CreateFSub(unwrap(LHS), unwrap(RHS), Name));
2342 }
2343
2344 LLVMValueRef LLVMBuildMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2345                           const char *Name) {
2346   return wrap(unwrap(B)->CreateMul(unwrap(LHS), unwrap(RHS), Name));
2347 }
2348
2349 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2350                           const char *Name) {
2351   return wrap(unwrap(B)->CreateNSWMul(unwrap(LHS), unwrap(RHS), Name));
2352 }
2353
2354 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2355                           const char *Name) {
2356   return wrap(unwrap(B)->CreateNUWMul(unwrap(LHS), unwrap(RHS), Name));
2357 }
2358
2359 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2360                           const char *Name) {
2361   return wrap(unwrap(B)->CreateFMul(unwrap(LHS), unwrap(RHS), Name));
2362 }
2363
2364 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2365                            const char *Name) {
2366   return wrap(unwrap(B)->CreateUDiv(unwrap(LHS), unwrap(RHS), Name));
2367 }
2368
2369 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2370                            const char *Name) {
2371   return wrap(unwrap(B)->CreateSDiv(unwrap(LHS), unwrap(RHS), Name));
2372 }
2373
2374 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef B, LLVMValueRef LHS,
2375                                 LLVMValueRef RHS, const char *Name) {
2376   return wrap(unwrap(B)->CreateExactSDiv(unwrap(LHS), unwrap(RHS), Name));
2377 }
2378
2379 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2380                            const char *Name) {
2381   return wrap(unwrap(B)->CreateFDiv(unwrap(LHS), unwrap(RHS), Name));
2382 }
2383
2384 LLVMValueRef LLVMBuildURem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2385                            const char *Name) {
2386   return wrap(unwrap(B)->CreateURem(unwrap(LHS), unwrap(RHS), Name));
2387 }
2388
2389 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2390                            const char *Name) {
2391   return wrap(unwrap(B)->CreateSRem(unwrap(LHS), unwrap(RHS), Name));
2392 }
2393
2394 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2395                            const char *Name) {
2396   return wrap(unwrap(B)->CreateFRem(unwrap(LHS), unwrap(RHS), Name));
2397 }
2398
2399 LLVMValueRef LLVMBuildShl(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2400                           const char *Name) {
2401   return wrap(unwrap(B)->CreateShl(unwrap(LHS), unwrap(RHS), Name));
2402 }
2403
2404 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2405                            const char *Name) {
2406   return wrap(unwrap(B)->CreateLShr(unwrap(LHS), unwrap(RHS), Name));
2407 }
2408
2409 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2410                            const char *Name) {
2411   return wrap(unwrap(B)->CreateAShr(unwrap(LHS), unwrap(RHS), Name));
2412 }
2413
2414 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2415                           const char *Name) {
2416   return wrap(unwrap(B)->CreateAnd(unwrap(LHS), unwrap(RHS), Name));
2417 }
2418
2419 LLVMValueRef LLVMBuildOr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2420                          const char *Name) {
2421   return wrap(unwrap(B)->CreateOr(unwrap(LHS), unwrap(RHS), Name));
2422 }
2423
2424 LLVMValueRef LLVMBuildXor(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
2425                           const char *Name) {
2426   return wrap(unwrap(B)->CreateXor(unwrap(LHS), unwrap(RHS), Name));
2427 }
2428
2429 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
2430                             LLVMValueRef LHS, LLVMValueRef RHS,
2431                             const char *Name) {
2432   return wrap(unwrap(B)->CreateBinOp(Instruction::BinaryOps(map_from_llvmopcode(Op)), unwrap(LHS),
2433                                      unwrap(RHS), Name));
2434 }
2435
2436 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
2437   return wrap(unwrap(B)->CreateNeg(unwrap(V), Name));
2438 }
2439
2440 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
2441                              const char *Name) {
2442   return wrap(unwrap(B)->CreateNSWNeg(unwrap(V), Name));
2443 }
2444
2445 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
2446                              const char *Name) {
2447   return wrap(unwrap(B)->CreateNUWNeg(unwrap(V), Name));
2448 }
2449
2450 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
2451   return wrap(unwrap(B)->CreateFNeg(unwrap(V), Name));
2452 }
2453
2454 LLVMValueRef LLVMBuildNot(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
2455   return wrap(unwrap(B)->CreateNot(unwrap(V), Name));
2456 }
2457
2458 /*--.. Memory ..............................................................--*/
2459
2460 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
2461                              const char *Name) {
2462   Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
2463   Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));
2464   AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);
2465   Instruction* Malloc = CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(),
2466                                                ITy, unwrap(Ty), AllocSize,
2467                                                nullptr, nullptr, "");
2468   return wrap(unwrap(B)->Insert(Malloc, Twine(Name)));
2469 }
2470
2471 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
2472                                   LLVMValueRef Val, const char *Name) {
2473   Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
2474   Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));
2475   AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);
2476   Instruction* Malloc = CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(),
2477                                                ITy, unwrap(Ty), AllocSize,
2478                                                unwrap(Val), nullptr, "");
2479   return wrap(unwrap(B)->Insert(Malloc, Twine(Name)));
2480 }
2481
2482 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
2483                              const char *Name) {
2484   return wrap(unwrap(B)->CreateAlloca(unwrap(Ty), nullptr, Name));
2485 }
2486
2487 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
2488                                   LLVMValueRef Val, const char *Name) {
2489   return wrap(unwrap(B)->CreateAlloca(unwrap(Ty), unwrap(Val), Name));
2490 }
2491
2492 LLVMValueRef LLVMBuildFree(LLVMBuilderRef B, LLVMValueRef PointerVal) {
2493   return wrap(unwrap(B)->Insert(
2494      CallInst::CreateFree(unwrap(PointerVal), unwrap(B)->GetInsertBlock())));
2495 }
2496
2497 LLVMValueRef LLVMBuildLoad(LLVMBuilderRef B, LLVMValueRef PointerVal,
2498                            const char *Name) {
2499   return wrap(unwrap(B)->CreateLoad(unwrap(PointerVal), Name));
2500 }
2501
2502 LLVMValueRef LLVMBuildStore(LLVMBuilderRef B, LLVMValueRef Val,
2503                             LLVMValueRef PointerVal) {
2504   return wrap(unwrap(B)->CreateStore(unwrap(Val), unwrap(PointerVal)));
2505 }
2506
2507 static AtomicOrdering mapFromLLVMOrdering(LLVMAtomicOrdering Ordering) {
2508   switch (Ordering) {
2509     case LLVMAtomicOrderingNotAtomic: return NotAtomic;
2510     case LLVMAtomicOrderingUnordered: return Unordered;
2511     case LLVMAtomicOrderingMonotonic: return Monotonic;
2512     case LLVMAtomicOrderingAcquire: return Acquire;
2513     case LLVMAtomicOrderingRelease: return Release;
2514     case LLVMAtomicOrderingAcquireRelease: return AcquireRelease;
2515     case LLVMAtomicOrderingSequentiallyConsistent:
2516       return SequentiallyConsistent;
2517   }
2518
2519   llvm_unreachable("Invalid LLVMAtomicOrdering value!");
2520 }
2521
2522 static LLVMAtomicOrdering mapToLLVMOrdering(AtomicOrdering Ordering) {
2523   switch (Ordering) {
2524     case NotAtomic: return LLVMAtomicOrderingNotAtomic;
2525     case Unordered: return LLVMAtomicOrderingUnordered;
2526     case Monotonic: return LLVMAtomicOrderingMonotonic;
2527     case Acquire: return LLVMAtomicOrderingAcquire;
2528     case Release: return LLVMAtomicOrderingRelease;
2529     case AcquireRelease: return LLVMAtomicOrderingAcquireRelease;
2530     case SequentiallyConsistent:
2531       return LLVMAtomicOrderingSequentiallyConsistent;
2532   }
2533
2534   llvm_unreachable("Invalid AtomicOrdering value!");
2535 }
2536
2537 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering Ordering,
2538                             LLVMBool isSingleThread, const char *Name) {
2539   return wrap(
2540     unwrap(B)->CreateFence(mapFromLLVMOrdering(Ordering),
2541                            isSingleThread ? SingleThread : CrossThread,
2542                            Name));
2543 }
2544
2545 LLVMValueRef LLVMBuildGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
2546                           LLVMValueRef *Indices, unsigned NumIndices,
2547                           const char *Name) {
2548   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
2549   return wrap(unwrap(B)->CreateGEP(nullptr, unwrap(Pointer), IdxList, Name));
2550 }
2551
2552 LLVMValueRef LLVMBuildInBoundsGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
2553                                   LLVMValueRef *Indices, unsigned NumIndices,
2554                                   const char *Name) {
2555   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
2556   return wrap(
2557       unwrap(B)->CreateInBoundsGEP(nullptr, unwrap(Pointer), IdxList, Name));
2558 }
2559
2560 LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,
2561                                 unsigned Idx, const char *Name) {
2562   return wrap(unwrap(B)->CreateStructGEP(nullptr, unwrap(Pointer), Idx, Name));
2563 }
2564
2565 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
2566                                    const char *Name) {
2567   return wrap(unwrap(B)->CreateGlobalString(Str, Name));
2568 }
2569
2570 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
2571                                       const char *Name) {
2572   return wrap(unwrap(B)->CreateGlobalStringPtr(Str, Name));
2573 }
2574
2575 LLVMBool LLVMGetVolatile(LLVMValueRef MemAccessInst) {
2576   Value *P = unwrap<Value>(MemAccessInst);
2577   if (LoadInst *LI = dyn_cast<LoadInst>(P))
2578     return LI->isVolatile();
2579   return cast<StoreInst>(P)->isVolatile();
2580 }
2581
2582 void LLVMSetVolatile(LLVMValueRef MemAccessInst, LLVMBool isVolatile) {
2583   Value *P = unwrap<Value>(MemAccessInst);
2584   if (LoadInst *LI = dyn_cast<LoadInst>(P))
2585     return LI->setVolatile(isVolatile);
2586   return cast<StoreInst>(P)->setVolatile(isVolatile);
2587 }
2588
2589 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemAccessInst) {
2590   Value *P = unwrap<Value>(MemAccessInst);
2591   AtomicOrdering O;
2592   if (LoadInst *LI = dyn_cast<LoadInst>(P))
2593     O = LI->getOrdering();
2594   else
2595     O = cast<StoreInst>(P)->getOrdering();
2596   return mapToLLVMOrdering(O);
2597 }
2598
2599 void LLVMSetOrdering(LLVMValueRef MemAccessInst, LLVMAtomicOrdering Ordering) {
2600   Value *P = unwrap<Value>(MemAccessInst);
2601   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
2602
2603   if (LoadInst *LI = dyn_cast<LoadInst>(P))
2604     return LI->setOrdering(O);
2605   return cast<StoreInst>(P)->setOrdering(O);
2606 }
2607
2608 /*--.. Casts ...............................................................--*/
2609
2610 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef B, LLVMValueRef Val,
2611                             LLVMTypeRef DestTy, const char *Name) {
2612   return wrap(unwrap(B)->CreateTrunc(unwrap(Val), unwrap(DestTy), Name));
2613 }
2614
2615 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef B, LLVMValueRef Val,
2616                            LLVMTypeRef DestTy, const char *Name) {
2617   return wrap(unwrap(B)->CreateZExt(unwrap(Val), unwrap(DestTy), Name));
2618 }
2619
2620 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef B, LLVMValueRef Val,
2621                            LLVMTypeRef DestTy, const char *Name) {
2622   return wrap(unwrap(B)->CreateSExt(unwrap(Val), unwrap(DestTy), Name));
2623 }
2624
2625 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef B, LLVMValueRef Val,
2626                              LLVMTypeRef DestTy, const char *Name) {
2627   return wrap(unwrap(B)->CreateFPToUI(unwrap(Val), unwrap(DestTy), Name));
2628 }
2629
2630 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef B, LLVMValueRef Val,
2631                              LLVMTypeRef DestTy, const char *Name) {
2632   return wrap(unwrap(B)->CreateFPToSI(unwrap(Val), unwrap(DestTy), Name));
2633 }
2634
2635 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef B, LLVMValueRef Val,
2636                              LLVMTypeRef DestTy, const char *Name) {
2637   return wrap(unwrap(B)->CreateUIToFP(unwrap(Val), unwrap(DestTy), Name));
2638 }
2639
2640 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef B, LLVMValueRef Val,
2641                              LLVMTypeRef DestTy, const char *Name) {
2642   return wrap(unwrap(B)->CreateSIToFP(unwrap(Val), unwrap(DestTy), Name));
2643 }
2644
2645 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef B, LLVMValueRef Val,
2646                               LLVMTypeRef DestTy, const char *Name) {
2647   return wrap(unwrap(B)->CreateFPTrunc(unwrap(Val), unwrap(DestTy), Name));
2648 }
2649
2650 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef B, LLVMValueRef Val,
2651                             LLVMTypeRef DestTy, const char *Name) {
2652   return wrap(unwrap(B)->CreateFPExt(unwrap(Val), unwrap(DestTy), Name));
2653 }
2654
2655 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef B, LLVMValueRef Val,
2656                                LLVMTypeRef DestTy, const char *Name) {
2657   return wrap(unwrap(B)->CreatePtrToInt(unwrap(Val), unwrap(DestTy), Name));
2658 }
2659
2660 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef B, LLVMValueRef Val,
2661                                LLVMTypeRef DestTy, const char *Name) {
2662   return wrap(unwrap(B)->CreateIntToPtr(unwrap(Val), unwrap(DestTy), Name));
2663 }
2664
2665 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef B, LLVMValueRef Val,
2666                               LLVMTypeRef DestTy, const char *Name) {
2667   return wrap(unwrap(B)->CreateBitCast(unwrap(Val), unwrap(DestTy), Name));
2668 }
2669
2670 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef B, LLVMValueRef Val,
2671                                     LLVMTypeRef DestTy, const char *Name) {
2672   return wrap(unwrap(B)->CreateAddrSpaceCast(unwrap(Val), unwrap(DestTy), Name));
2673 }
2674
2675 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
2676                                     LLVMTypeRef DestTy, const char *Name) {
2677   return wrap(unwrap(B)->CreateZExtOrBitCast(unwrap(Val), unwrap(DestTy),
2678                                              Name));
2679 }
2680
2681 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
2682                                     LLVMTypeRef DestTy, const char *Name) {
2683   return wrap(unwrap(B)->CreateSExtOrBitCast(unwrap(Val), unwrap(DestTy),
2684                                              Name));
2685 }
2686
2687 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
2688                                      LLVMTypeRef DestTy, const char *Name) {
2689   return wrap(unwrap(B)->CreateTruncOrBitCast(unwrap(Val), unwrap(DestTy),
2690                                               Name));
2691 }
2692
2693 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
2694                            LLVMTypeRef DestTy, const char *Name) {
2695   return wrap(unwrap(B)->CreateCast(Instruction::CastOps(map_from_llvmopcode(Op)), unwrap(Val),
2696                                     unwrap(DestTy), Name));
2697 }
2698
2699 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef B, LLVMValueRef Val,
2700                                   LLVMTypeRef DestTy, const char *Name) {
2701   return wrap(unwrap(B)->CreatePointerCast(unwrap(Val), unwrap(DestTy), Name));
2702 }
2703
2704 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
2705                               LLVMTypeRef DestTy, const char *Name) {
2706   return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy),
2707                                        /*isSigned*/true, Name));
2708 }
2709
2710 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef B, LLVMValueRef Val,
2711                              LLVMTypeRef DestTy, const char *Name) {
2712   return wrap(unwrap(B)->CreateFPCast(unwrap(Val), unwrap(DestTy), Name));
2713 }
2714
2715 /*--.. Comparisons .........................................................--*/
2716
2717 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef B, LLVMIntPredicate Op,
2718                            LLVMValueRef LHS, LLVMValueRef RHS,
2719                            const char *Name) {
2720   return wrap(unwrap(B)->CreateICmp(static_cast<ICmpInst::Predicate>(Op),
2721                                     unwrap(LHS), unwrap(RHS), Name));
2722 }
2723
2724 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef B, LLVMRealPredicate Op,
2725                            LLVMValueRef LHS, LLVMValueRef RHS,
2726                            const char *Name) {
2727   return wrap(unwrap(B)->CreateFCmp(static_cast<FCmpInst::Predicate>(Op),
2728                                     unwrap(LHS), unwrap(RHS), Name));
2729 }
2730
2731 /*--.. Miscellaneous instructions ..........................................--*/
2732
2733 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef B, LLVMTypeRef Ty, const char *Name) {
2734   return wrap(unwrap(B)->CreatePHI(unwrap(Ty), 0, Name));
2735 }
2736
2737 LLVMValueRef LLVMBuildCall(LLVMBuilderRef B, LLVMValueRef Fn,
2738                            LLVMValueRef *Args, unsigned NumArgs,
2739                            const char *Name) {
2740   return wrap(unwrap(B)->CreateCall(unwrap(Fn),
2741                                     makeArrayRef(unwrap(Args), NumArgs),
2742                                     Name));
2743 }
2744
2745 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef B, LLVMValueRef If,
2746                              LLVMValueRef Then, LLVMValueRef Else,
2747                              const char *Name) {
2748   return wrap(unwrap(B)->CreateSelect(unwrap(If), unwrap(Then), unwrap(Else),
2749                                       Name));
2750 }
2751
2752 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef B, LLVMValueRef List,
2753                             LLVMTypeRef Ty, const char *Name) {
2754   return wrap(unwrap(B)->CreateVAArg(unwrap(List), unwrap(Ty), Name));
2755 }
2756
2757 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef B, LLVMValueRef VecVal,
2758                                       LLVMValueRef Index, const char *Name) {
2759   return wrap(unwrap(B)->CreateExtractElement(unwrap(VecVal), unwrap(Index),
2760                                               Name));
2761 }
2762
2763 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef B, LLVMValueRef VecVal,
2764                                     LLVMValueRef EltVal, LLVMValueRef Index,
2765                                     const char *Name) {
2766   return wrap(unwrap(B)->CreateInsertElement(unwrap(VecVal), unwrap(EltVal),
2767                                              unwrap(Index), Name));
2768 }
2769
2770 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef B, LLVMValueRef V1,
2771                                     LLVMValueRef V2, LLVMValueRef Mask,
2772                                     const char *Name) {
2773   return wrap(unwrap(B)->CreateShuffleVector(unwrap(V1), unwrap(V2),
2774                                              unwrap(Mask), Name));
2775 }
2776
2777 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef B, LLVMValueRef AggVal,
2778                                    unsigned Index, const char *Name) {
2779   return wrap(unwrap(B)->CreateExtractValue(unwrap(AggVal), Index, Name));
2780 }
2781
2782 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef B, LLVMValueRef AggVal,
2783                                   LLVMValueRef EltVal, unsigned Index,
2784                                   const char *Name) {
2785   return wrap(unwrap(B)->CreateInsertValue(unwrap(AggVal), unwrap(EltVal),
2786                                            Index, Name));
2787 }
2788
2789 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef B, LLVMValueRef Val,
2790                              const char *Name) {
2791   return wrap(unwrap(B)->CreateIsNull(unwrap(Val), Name));
2792 }
2793
2794 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef B, LLVMValueRef Val,
2795                                 const char *Name) {
2796   return wrap(unwrap(B)->CreateIsNotNull(unwrap(Val), Name));
2797 }
2798
2799 LLVMValueRef LLVMBuildPtrDiff(LLVMBuilderRef B, LLVMValueRef LHS,
2800                               LLVMValueRef RHS, const char *Name) {
2801   return wrap(unwrap(B)->CreatePtrDiff(unwrap(LHS), unwrap(RHS), Name));
2802 }
2803
2804 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B,LLVMAtomicRMWBinOp op,
2805                                LLVMValueRef PTR, LLVMValueRef Val,
2806                                LLVMAtomicOrdering ordering,
2807                                LLVMBool singleThread) {
2808   AtomicRMWInst::BinOp intop;
2809   switch (op) {
2810     case LLVMAtomicRMWBinOpXchg: intop = AtomicRMWInst::Xchg; break;
2811     case LLVMAtomicRMWBinOpAdd: intop = AtomicRMWInst::Add; break;
2812     case LLVMAtomicRMWBinOpSub: intop = AtomicRMWInst::Sub; break;
2813     case LLVMAtomicRMWBinOpAnd: intop = AtomicRMWInst::And; break;
2814     case LLVMAtomicRMWBinOpNand: intop = AtomicRMWInst::Nand; break;
2815     case LLVMAtomicRMWBinOpOr: intop = AtomicRMWInst::Or; break;
2816     case LLVMAtomicRMWBinOpXor: intop = AtomicRMWInst::Xor; break;
2817     case LLVMAtomicRMWBinOpMax: intop = AtomicRMWInst::Max; break;
2818     case LLVMAtomicRMWBinOpMin: intop = AtomicRMWInst::Min; break;
2819     case LLVMAtomicRMWBinOpUMax: intop = AtomicRMWInst::UMax; break;
2820     case LLVMAtomicRMWBinOpUMin: intop = AtomicRMWInst::UMin; break;
2821   }
2822   return wrap(unwrap(B)->CreateAtomicRMW(intop, unwrap(PTR), unwrap(Val),
2823     mapFromLLVMOrdering(ordering), singleThread ? SingleThread : CrossThread));
2824 }
2825
2826
2827 /*===-- Module providers --------------------------------------------------===*/
2828
2829 LLVMModuleProviderRef
2830 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M) {
2831   return reinterpret_cast<LLVMModuleProviderRef>(M);
2832 }
2833
2834 void LLVMDisposeModuleProvider(LLVMModuleProviderRef MP) {
2835   delete unwrap(MP);
2836 }
2837
2838
2839 /*===-- Memory buffers ----------------------------------------------------===*/
2840
2841 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(
2842     const char *Path,
2843     LLVMMemoryBufferRef *OutMemBuf,
2844     char **OutMessage) {
2845
2846   ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getFile(Path);
2847   if (std::error_code EC = MBOrErr.getError()) {
2848     *OutMessage = strdup(EC.message().c_str());
2849     return 1;
2850   }
2851   *OutMemBuf = wrap(MBOrErr.get().release());
2852   return 0;
2853 }
2854
2855 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
2856                                          char **OutMessage) {
2857   ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getSTDIN();
2858   if (std::error_code EC = MBOrErr.getError()) {
2859     *OutMessage = strdup(EC.message().c_str());
2860     return 1;
2861   }
2862   *OutMemBuf = wrap(MBOrErr.get().release());
2863   return 0;
2864 }
2865
2866 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(
2867     const char *InputData,
2868     size_t InputDataLength,
2869     const char *BufferName,
2870     LLVMBool RequiresNullTerminator) {
2871
2872   return wrap(MemoryBuffer::getMemBuffer(StringRef(InputData, InputDataLength),
2873                                          StringRef(BufferName),
2874                                          RequiresNullTerminator).release());
2875 }
2876
2877 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(
2878     const char *InputData,
2879     size_t InputDataLength,
2880     const char *BufferName) {
2881
2882   return wrap(
2883       MemoryBuffer::getMemBufferCopy(StringRef(InputData, InputDataLength),
2884                                      StringRef(BufferName)).release());
2885 }
2886
2887 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf) {
2888   return unwrap(MemBuf)->getBufferStart();
2889 }
2890
2891 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf) {
2892   return unwrap(MemBuf)->getBufferSize();
2893 }
2894
2895 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf) {
2896   delete unwrap(MemBuf);
2897 }
2898
2899 /*===-- Pass Registry -----------------------------------------------------===*/
2900
2901 LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void) {
2902   return wrap(PassRegistry::getPassRegistry());
2903 }
2904
2905 /*===-- Pass Manager ------------------------------------------------------===*/
2906
2907 LLVMPassManagerRef LLVMCreatePassManager() {
2908   return wrap(new legacy::PassManager());
2909 }
2910
2911 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M) {
2912   return wrap(new legacy::FunctionPassManager(unwrap(M)));
2913 }
2914
2915 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) {
2916   return LLVMCreateFunctionPassManagerForModule(
2917                                             reinterpret_cast<LLVMModuleRef>(P));
2918 }
2919
2920 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) {
2921   return unwrap<legacy::PassManager>(PM)->run(*unwrap(M));
2922 }
2923
2924 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) {
2925   return unwrap<legacy::FunctionPassManager>(FPM)->doInitialization();
2926 }
2927
2928 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) {
2929   return unwrap<legacy::FunctionPassManager>(FPM)->run(*unwrap<Function>(F));
2930 }
2931
2932 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) {
2933   return unwrap<legacy::FunctionPassManager>(FPM)->doFinalization();
2934 }
2935
2936 void LLVMDisposePassManager(LLVMPassManagerRef PM) {
2937   delete unwrap(PM);
2938 }
2939
2940 /*===-- Threading ------------------------------------------------------===*/
2941
2942 LLVMBool LLVMStartMultithreaded() {
2943   return LLVMIsMultithreaded();
2944 }
2945
2946 void LLVMStopMultithreaded() {
2947 }
2948
2949 LLVMBool LLVMIsMultithreaded() {
2950   return llvm_is_multithreaded();
2951 }