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