src/librustc_codegen_llvm/llvm/ffi.rs

   1 // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // FIXME: Rename 'DIGlobalVariable' to 'DIGlobalVariableExpression'
  12 // once support for LLVM 3.9 is dropped.
  13 //
  14 // This method was changed in this LLVM patch:
  15 // https://reviews.llvm.org/D26769
  16
  17 use super::debuginfo::{
  18     DIBuilder, DIDescriptor, DIFile, DILexicalBlock, DISubprogram, DIType,
  19     DIBasicType, DIDerivedType, DICompositeType, DIScope, DIVariable,
  20     DIGlobalVariable, DIArray, DISubrange, DITemplateTypeParameter, DIEnumerator,
  21     DINameSpace, DIFlags,
  22 };
  23
  24 use libc::{c_uint, c_int, size_t, c_char};
  25 use libc::{c_ulonglong, c_void};
  26
  27 use std::marker::PhantomData;
  28
  29 use super::RustString;
  30
  31 pub type Bool = c_uint;
  32
  33 pub const True: Bool = 1 as Bool;
  34 pub const False: Bool = 0 as Bool;
  35
  36 #[derive(Copy, Clone, PartialEq)]
  37 #[repr(C)]
  38 #[allow(dead_code)] // Variants constructed by C++.
  39 pub enum LLVMRustResult {
  40     Success,
  41     Failure,
  42 }
  43 // Consts for the LLVM CallConv type, pre-cast to usize.
  44
  45 /// LLVM CallingConv::ID. Should we wrap this?
  46 #[derive(Copy, Clone, PartialEq, Debug)]
  47 #[repr(C)]
  48 pub enum CallConv {
  49     CCallConv = 0,
  50     FastCallConv = 8,
  51     ColdCallConv = 9,
  52     X86StdcallCallConv = 64,
  53     X86FastcallCallConv = 65,
  54     ArmAapcsCallConv = 67,
  55     Msp430Intr = 69,
  56     X86_ThisCall = 70,
  57     PtxKernel = 71,
  58     X86_64_SysV = 78,
  59     X86_64_Win64 = 79,
  60     X86_VectorCall = 80,
  61     X86_Intr = 83,
  62     AmdGpuKernel = 91,
  63 }
  64
  65 /// LLVMRustLinkage
  66 #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
  67 #[repr(C)]
  68 pub enum Linkage {
  69     ExternalLinkage = 0,
  70     AvailableExternallyLinkage = 1,
  71     LinkOnceAnyLinkage = 2,
  72     LinkOnceODRLinkage = 3,
  73     WeakAnyLinkage = 4,
  74     WeakODRLinkage = 5,
  75     AppendingLinkage = 6,
  76     InternalLinkage = 7,
  77     PrivateLinkage = 8,
  78     ExternalWeakLinkage = 9,
  79     CommonLinkage = 10,
  80 }
  81
  82 // LLVMRustVisibility
  83 #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
  84 #[repr(C)]
  85 pub enum Visibility {
  86     Default = 0,
  87     Hidden = 1,
  88     Protected = 2,
  89 }
  90
  91 /// LLVMDLLStorageClass
  92 #[derive(Copy, Clone)]
  93 #[repr(C)]
  94 pub enum DLLStorageClass {
  95     #[allow(dead_code)]
  96     Default = 0,
  97     DllImport = 1, // Function to be imported from DLL.
  98     #[allow(dead_code)]
  99     DllExport = 2, // Function to be accessible from DLL.
 100 }
 101
 102 /// Matches LLVMRustAttribute in rustllvm.h
 103 /// Semantically a subset of the C++ enum llvm::Attribute::AttrKind,
 104 /// though it is not ABI compatible (since it's a C++ enum)
 105 #[repr(C)]
 106 #[derive(Copy, Clone, Debug)]
 107 pub enum Attribute {
 108     AlwaysInline    = 0,
 109     ByVal           = 1,
 110     Cold            = 2,
 111     InlineHint      = 3,
 112     MinSize         = 4,
 113     Naked           = 5,
 114     NoAlias         = 6,
 115     NoCapture       = 7,
 116     NoInline        = 8,
 117     NonNull         = 9,
 118     NoRedZone       = 10,
 119     NoReturn        = 11,
 120     NoUnwind        = 12,
 121     OptimizeForSize = 13,
 122     ReadOnly        = 14,
 123     SExt            = 15,
 124     StructRet       = 16,
 125     UWTable         = 17,
 126     ZExt            = 18,
 127     InReg           = 19,
 128     SanitizeThread  = 20,
 129     SanitizeAddress = 21,
 130     SanitizeMemory  = 22,
 131 }
 132
 133 /// LLVMIntPredicate
 134 #[derive(Copy, Clone)]
 135 #[repr(C)]
 136 pub enum IntPredicate {
 137     IntEQ = 32,
 138     IntNE = 33,
 139     IntUGT = 34,
 140     IntUGE = 35,
 141     IntULT = 36,
 142     IntULE = 37,
 143     IntSGT = 38,
 144     IntSGE = 39,
 145     IntSLT = 40,
 146     IntSLE = 41,
 147 }
 148
 149 /// LLVMRealPredicate
 150 #[derive(Copy, Clone)]
 151 #[repr(C)]
 152 pub enum RealPredicate {
 153     RealPredicateFalse = 0,
 154     RealOEQ = 1,
 155     RealOGT = 2,
 156     RealOGE = 3,
 157     RealOLT = 4,
 158     RealOLE = 5,
 159     RealONE = 6,
 160     RealORD = 7,
 161     RealUNO = 8,
 162     RealUEQ = 9,
 163     RealUGT = 10,
 164     RealUGE = 11,
 165     RealULT = 12,
 166     RealULE = 13,
 167     RealUNE = 14,
 168     RealPredicateTrue = 15,
 169 }
 170
 171 /// LLVMTypeKind
 172 #[derive(Copy, Clone, PartialEq, Debug)]
 173 #[repr(C)]
 174 pub enum TypeKind {
 175     Void = 0,
 176     Half = 1,
 177     Float = 2,
 178     Double = 3,
 179     X86_FP80 = 4,
 180     FP128 = 5,
 181     PPC_FP128 = 6,
 182     Label = 7,
 183     Integer = 8,
 184     Function = 9,
 185     Struct = 10,
 186     Array = 11,
 187     Pointer = 12,
 188     Vector = 13,
 189     Metadata = 14,
 190     X86_MMX = 15,
 191     Token = 16,
 192 }
 193
 194 /// LLVMAtomicRmwBinOp
 195 #[derive(Copy, Clone)]
 196 #[repr(C)]
 197 pub enum AtomicRmwBinOp {
 198     AtomicXchg = 0,
 199     AtomicAdd = 1,
 200     AtomicSub = 2,
 201     AtomicAnd = 3,
 202     AtomicNand = 4,
 203     AtomicOr = 5,
 204     AtomicXor = 6,
 205     AtomicMax = 7,
 206     AtomicMin = 8,
 207     AtomicUMax = 9,
 208     AtomicUMin = 10,
 209 }
 210
 211 /// LLVMAtomicOrdering
 212 #[derive(Copy, Clone)]
 213 #[repr(C)]
 214 pub enum AtomicOrdering {
 215     #[allow(dead_code)]
 216     NotAtomic = 0,
 217     Unordered = 1,
 218     Monotonic = 2,
 219     // Consume = 3,  // Not specified yet.
 220     Acquire = 4,
 221     Release = 5,
 222     AcquireRelease = 6,
 223     SequentiallyConsistent = 7,
 224 }
 225
 226 /// LLVMRustSynchronizationScope
 227 #[derive(Copy, Clone)]
 228 #[repr(C)]
 229 pub enum SynchronizationScope {
 230     // FIXME: figure out if this variant is needed at all.
 231     #[allow(dead_code)]
 232     Other,
 233     SingleThread,
 234     CrossThread,
 235 }
 236
 237 /// LLVMRustFileType
 238 #[derive(Copy, Clone)]
 239 #[repr(C)]
 240 pub enum FileType {
 241     // FIXME: figure out if this variant is needed at all.
 242     #[allow(dead_code)]
 243     Other,
 244     AssemblyFile,
 245     ObjectFile,
 246 }
 247
 248 /// LLVMMetadataType
 249 #[derive(Copy, Clone)]
 250 #[repr(C)]
 251 pub enum MetadataType {
 252     MD_dbg = 0,
 253     MD_tbaa = 1,
 254     MD_prof = 2,
 255     MD_fpmath = 3,
 256     MD_range = 4,
 257     MD_tbaa_struct = 5,
 258     MD_invariant_load = 6,
 259     MD_alias_scope = 7,
 260     MD_noalias = 8,
 261     MD_nontemporal = 9,
 262     MD_mem_parallel_loop_access = 10,
 263     MD_nonnull = 11,
 264 }
 265
 266 /// LLVMRustAsmDialect
 267 #[derive(Copy, Clone)]
 268 #[repr(C)]
 269 pub enum AsmDialect {
 270     // FIXME: figure out if this variant is needed at all.
 271     #[allow(dead_code)]
 272     Other,
 273     Att,
 274     Intel,
 275 }
 276
 277 /// LLVMRustCodeGenOptLevel
 278 #[derive(Copy, Clone, PartialEq)]
 279 #[repr(C)]
 280 pub enum CodeGenOptLevel {
 281     // FIXME: figure out if this variant is needed at all.
 282     #[allow(dead_code)]
 283     Other,
 284     None,
 285     Less,
 286     Default,
 287     Aggressive,
 288 }
 289
 290 /// LLVMRelocMode
 291 #[derive(Copy, Clone, PartialEq)]
 292 #[repr(C)]
 293 pub enum RelocMode {
 294     Default,
 295     Static,
 296     PIC,
 297     DynamicNoPic,
 298     ROPI,
 299     RWPI,
 300     ROPI_RWPI,
 301 }
 302
 303 /// LLVMRustCodeModel
 304 #[derive(Copy, Clone)]
 305 #[repr(C)]
 306 pub enum CodeModel {
 307     // FIXME: figure out if this variant is needed at all.
 308     #[allow(dead_code)]
 309     Other,
 310     Small,
 311     Kernel,
 312     Medium,
 313     Large,
 314     None,
 315 }
 316
 317 /// LLVMRustDiagnosticKind
 318 #[derive(Copy, Clone)]
 319 #[repr(C)]
 320 #[allow(dead_code)] // Variants constructed by C++.
 321 pub enum DiagnosticKind {
 322     Other,
 323     InlineAsm,
 324     StackSize,
 325     DebugMetadataVersion,
 326     SampleProfile,
 327     OptimizationRemark,
 328     OptimizationRemarkMissed,
 329     OptimizationRemarkAnalysis,
 330     OptimizationRemarkAnalysisFPCommute,
 331     OptimizationRemarkAnalysisAliasing,
 332     OptimizationRemarkOther,
 333     OptimizationFailure,
 334     PGOProfile,
 335     Linker,
 336 }
 337
 338 /// LLVMRustArchiveKind
 339 #[derive(Copy, Clone)]
 340 #[repr(C)]
 341 pub enum ArchiveKind {
 342     // FIXME: figure out if this variant is needed at all.
 343     #[allow(dead_code)]
 344     Other,
 345     K_GNU,
 346     K_BSD,
 347     K_COFF,
 348 }
 349
 350 /// LLVMRustPassKind
 351 #[derive(Copy, Clone, PartialEq, Debug)]
 352 #[repr(C)]
 353 #[allow(dead_code)] // Variants constructed by C++.
 354 pub enum PassKind {
 355     Other,
 356     Function,
 357     Module,
 358 }
 359
 360 /// LLVMRustThinLTOData
 361 extern { pub type ThinLTOData; }
 362
 363 /// LLVMRustThinLTOBuffer
 364 extern { pub type ThinLTOBuffer; }
 365
 366 /// LLVMRustThinLTOModule
 367 #[repr(C)]
 368 pub struct ThinLTOModule {
 369     pub identifier: *const c_char,
 370     pub data: *const u8,
 371     pub len: usize,
 372 }
 373
 374 /// LLVMThreadLocalMode
 375 #[derive(Copy, Clone)]
 376 #[repr(C)]
 377 pub enum ThreadLocalMode {
 378   NotThreadLocal,
 379   GeneralDynamic,
 380   LocalDynamic,
 381   InitialExec,
 382   LocalExec
 383 }
 384
 385 extern { type Opaque; }
 386 #[repr(C)]
 387 struct InvariantOpaque<'a> {
 388     _marker: PhantomData<&'a mut &'a ()>,
 389     _opaque: Opaque,
 390 }
 391
 392 // Opaque pointer types
 393 extern { pub type Module; }
 394 extern { pub type Context; }
 395 extern { pub type Type; }
 396 extern { pub type Value; }
 397 extern { pub type Metadata; }
 398 extern { pub type BasicBlock; }
 399 #[repr(C)]
 400 pub struct Builder<'a>(InvariantOpaque<'a>);
 401 extern { pub type MemoryBuffer; }
 402 #[repr(C)]
 403 pub struct PassManager<'a>(InvariantOpaque<'a>);
 404 extern { pub type PassManagerBuilder; }
 405 extern { pub type ObjectFile; }
 406 #[repr(C)]
 407 pub struct SectionIterator<'a>(InvariantOpaque<'a>);
 408 extern { pub type Pass; }
 409 extern { pub type TargetMachine; }
 410 extern { pub type Archive; }
 411 #[repr(C)]
 412 pub struct ArchiveIterator<'a>(InvariantOpaque<'a>);
 413 #[repr(C)]
 414 pub struct ArchiveChild<'a>(InvariantOpaque<'a>);
 415 extern { pub type Twine; }
 416 extern { pub type DiagnosticInfo; }
 417 extern { pub type SMDiagnostic; }
 418 #[repr(C)]
 419 pub struct RustArchiveMember<'a>(InvariantOpaque<'a>);
 420 #[repr(C)]
 421 pub struct OperandBundleDef<'a>(InvariantOpaque<'a>);
 422 #[repr(C)]
 423 pub struct Linker<'a>(InvariantOpaque<'a>);
 424
 425 pub type DiagnosticHandler = unsafe extern "C" fn(&DiagnosticInfo, *mut c_void);
 426 pub type InlineAsmDiagHandler = unsafe extern "C" fn(&SMDiagnostic, *const c_void, c_uint);
 427
 428
 429 pub mod debuginfo {
 430     use super::{InvariantOpaque, Metadata};
 431
 432     #[repr(C)]
 433     pub struct DIBuilder<'a>(InvariantOpaque<'a>);
 434
 435     pub type DIDescriptor = Metadata;
 436     pub type DIScope = DIDescriptor;
 437     pub type DIFile = DIScope;
 438     pub type DILexicalBlock = DIScope;
 439     pub type DISubprogram = DIScope;
 440     pub type DINameSpace = DIScope;
 441     pub type DIType = DIDescriptor;
 442     pub type DIBasicType = DIType;
 443     pub type DIDerivedType = DIType;
 444     pub type DICompositeType = DIDerivedType;
 445     pub type DIVariable = DIDescriptor;
 446     pub type DIGlobalVariable = DIDescriptor;
 447     pub type DIArray = DIDescriptor;
 448     pub type DISubrange = DIDescriptor;
 449     pub type DIEnumerator = DIDescriptor;
 450     pub type DITemplateTypeParameter = DIDescriptor;
 451
 452     // These values **must** match with LLVMRustDIFlags!!
 453     bitflags! {
 454         #[repr(C)]
 455         #[derive(Default)]
 456         pub struct DIFlags: ::libc::uint32_t {
 457             const FlagZero                = 0;
 458             const FlagPrivate             = 1;
 459             const FlagProtected           = 2;
 460             const FlagPublic              = 3;
 461             const FlagFwdDecl             = (1 << 2);
 462             const FlagAppleBlock          = (1 << 3);
 463             const FlagBlockByrefStruct    = (1 << 4);
 464             const FlagVirtual             = (1 << 5);
 465             const FlagArtificial          = (1 << 6);
 466             const FlagExplicit            = (1 << 7);
 467             const FlagPrototyped          = (1 << 8);
 468             const FlagObjcClassComplete   = (1 << 9);
 469             const FlagObjectPointer       = (1 << 10);
 470             const FlagVector              = (1 << 11);
 471             const FlagStaticMember        = (1 << 12);
 472             const FlagLValueReference     = (1 << 13);
 473             const FlagRValueReference     = (1 << 14);
 474             const FlagExternalTypeRef     = (1 << 15);
 475             const FlagIntroducedVirtual   = (1 << 18);
 476             const FlagBitField            = (1 << 19);
 477             const FlagNoReturn            = (1 << 20);
 478             const FlagMainSubprogram      = (1 << 21);
 479         }
 480     }
 481 }
 482
 483 extern { pub type ModuleBuffer; }
 484
 485 extern "C" {
 486     // Create and destroy contexts.
 487     pub fn LLVMRustContextCreate(shouldDiscardNames: bool) -> &'static mut Context;
 488     pub fn LLVMContextDispose(C: &'static mut Context);
 489     pub fn LLVMGetMDKindIDInContext(C: &Context, Name: *const c_char, SLen: c_uint) -> c_uint;
 490
 491     // Create modules.
 492     pub fn LLVMModuleCreateWithNameInContext(ModuleID: *const c_char, C: &Context) -> &Module;
 493     pub fn LLVMGetModuleContext(M: &Module) -> &Context;
 494     pub fn LLVMCloneModule(M: &Module) -> &Module;
 495
 496     /// Data layout. See Module::getDataLayout.
 497     pub fn LLVMGetDataLayout(M: &Module) -> *const c_char;
 498     pub fn LLVMSetDataLayout(M: &Module, Triple: *const c_char);
 499
 500     /// See Module::setModuleInlineAsm.
 501     pub fn LLVMSetModuleInlineAsm(M: &Module, Asm: *const c_char);
 502     pub fn LLVMRustAppendModuleInlineAsm(M: &Module, Asm: *const c_char);
 503
 504     /// See llvm::LLVMTypeKind::getTypeID.
 505     pub fn LLVMRustGetTypeKind(Ty: &Type) -> TypeKind;
 506
 507     // Operations on integer types
 508     pub fn LLVMInt1TypeInContext(C: &Context) -> &Type;
 509     pub fn LLVMInt8TypeInContext(C: &Context) -> &Type;
 510     pub fn LLVMInt16TypeInContext(C: &Context) -> &Type;
 511     pub fn LLVMInt32TypeInContext(C: &Context) -> &Type;
 512     pub fn LLVMInt64TypeInContext(C: &Context) -> &Type;
 513     pub fn LLVMIntTypeInContext(C: &Context, NumBits: c_uint) -> &Type;
 514
 515     pub fn LLVMGetIntTypeWidth(IntegerTy: &Type) -> c_uint;
 516
 517     // Operations on real types
 518     pub fn LLVMFloatTypeInContext(C: &Context) -> &Type;
 519     pub fn LLVMDoubleTypeInContext(C: &Context) -> &Type;
 520
 521     // Operations on function types
 522     pub fn LLVMFunctionType(ReturnType: &'a Type,
 523                             ParamTypes: *const &'a Type,
 524                             ParamCount: c_uint,
 525                             IsVarArg: Bool)
 526                             -> &'a Type;
 527     pub fn LLVMCountParamTypes(FunctionTy: &Type) -> c_uint;
 528     pub fn LLVMGetParamTypes(FunctionTy: &'a Type, Dest: *mut &'a Type);
 529
 530     // Operations on struct types
 531     pub fn LLVMStructTypeInContext(C: &'a Context,
 532                                    ElementTypes: *const &'a Type,
 533                                    ElementCount: c_uint,
 534                                    Packed: Bool)
 535                                    -> &'a Type;
 536
 537     // Operations on array, pointer, and vector types (sequence types)
 538     pub fn LLVMRustArrayType(ElementType: &Type, ElementCount: u64) -> &Type;
 539     pub fn LLVMPointerType(ElementType: &Type, AddressSpace: c_uint) -> &Type;
 540     pub fn LLVMVectorType(ElementType: &Type, ElementCount: c_uint) -> &Type;
 541
 542     pub fn LLVMGetElementType(Ty: &Type) -> &Type;
 543     pub fn LLVMGetVectorSize(VectorTy: &Type) -> c_uint;
 544
 545     // Operations on other types
 546     pub fn LLVMVoidTypeInContext(C: &Context) -> &Type;
 547     pub fn LLVMX86MMXTypeInContext(C: &Context) -> &Type;
 548     pub fn LLVMRustMetadataTypeInContext(C: &Context) -> &Type;
 549
 550     // Operations on all values
 551     pub fn LLVMTypeOf(Val: &Value) -> &Type;
 552     pub fn LLVMGetValueName(Val: &Value) -> *const c_char;
 553     pub fn LLVMSetValueName(Val: &Value, Name: *const c_char);
 554     pub fn LLVMReplaceAllUsesWith(OldVal: &'a Value, NewVal: &'a Value);
 555     pub fn LLVMSetMetadata(Val: &'a Value, KindID: c_uint, Node: &'a Value);
 556
 557     // Operations on constants of any type
 558     pub fn LLVMConstNull(Ty: &Type) -> &Value;
 559     pub fn LLVMGetUndef(Ty: &Type) -> &Value;
 560
 561     // Operations on metadata
 562     pub fn LLVMMDStringInContext(C: &Context, Str: *const c_char, SLen: c_uint) -> &Value;
 563     pub fn LLVMMDNodeInContext(C: &'a Context, Vals: *const &'a Value, Count: c_uint) -> &'a Value;
 564     pub fn LLVMAddNamedMetadataOperand(M: &'a Module, Name: *const c_char, Val: &'a Value);
 565
 566     // Operations on scalar constants
 567     pub fn LLVMConstInt(IntTy: &Type, N: c_ulonglong, SignExtend: Bool) -> &Value;
 568     pub fn LLVMConstIntOfArbitraryPrecision(IntTy: &Type, Wn: c_uint, Ws: *const u64) -> &Value;
 569     pub fn LLVMConstIntGetZExtValue(ConstantVal: &Value) -> c_ulonglong;
 570     pub fn LLVMRustConstInt128Get(ConstantVal: &Value, SExt: bool,
 571                                   high: &mut u64, low: &mut u64) -> bool;
 572     pub fn LLVMConstRealGetDouble (ConstantVal: &Value, losesInfo: &mut Bool) -> f64;
 573
 574
 575     // Operations on composite constants
 576     pub fn LLVMConstStringInContext(C: &Context,
 577                                     Str: *const c_char,
 578                                     Length: c_uint,
 579                                     DontNullTerminate: Bool)
 580                                     -> &Value;
 581     pub fn LLVMConstStructInContext(C: &'a Context,
 582                                     ConstantVals: *const &'a Value,
 583                                     Count: c_uint,
 584                                     Packed: Bool)
 585                                     -> &'a Value;
 586
 587     pub fn LLVMConstArray(ElementTy: &'a Type,
 588                           ConstantVals: *const &'a Value,
 589                           Length: c_uint)
 590                           -> &'a Value;
 591     pub fn LLVMConstVector(ScalarConstantVals: *const &Value, Size: c_uint) -> &Value;
 592
 593     // Constant expressions
 594     pub fn LLVMConstInBoundsGEP(
 595         ConstantVal: &'a Value,
 596         ConstantIndices: *const &'a Value,
 597         NumIndices: c_uint,
 598     ) -> &'a Value;
 599     pub fn LLVMConstZExt(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 600     pub fn LLVMConstPtrToInt(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 601     pub fn LLVMConstIntToPtr(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 602     pub fn LLVMConstBitCast(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 603     pub fn LLVMConstPointerCast(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 604     pub fn LLVMConstExtractValue(AggConstant: &Value,
 605                                  IdxList: *const c_uint,
 606                                  NumIdx: c_uint)
 607                                  -> &Value;
 608
 609     // Operations on global variables, functions, and aliases (globals)
 610     pub fn LLVMIsDeclaration(Global: &Value) -> Bool;
 611     pub fn LLVMRustGetLinkage(Global: &Value) -> Linkage;
 612     pub fn LLVMRustSetLinkage(Global: &Value, RustLinkage: Linkage);
 613     pub fn LLVMSetSection(Global: &Value, Section: *const c_char);
 614     pub fn LLVMRustGetVisibility(Global: &Value) -> Visibility;
 615     pub fn LLVMRustSetVisibility(Global: &Value, Viz: Visibility);
 616     pub fn LLVMGetAlignment(Global: &Value) -> c_uint;
 617     pub fn LLVMSetAlignment(Global: &Value, Bytes: c_uint);
 618     pub fn LLVMSetDLLStorageClass(V: &Value, C: DLLStorageClass);
 619
 620
 621     // Operations on global variables
 622     pub fn LLVMIsAGlobalVariable(GlobalVar: &Value) -> Option<&Value>;
 623     pub fn LLVMAddGlobal(M: &'a Module, Ty: &'a Type, Name: *const c_char) -> &'a Value;
 624     pub fn LLVMGetNamedGlobal(M: &Module, Name: *const c_char) -> Option<&Value>;
 625     pub fn LLVMRustGetOrInsertGlobal(M: &'a Module, Name: *const c_char, T: &'a Type) -> &'a Value;
 626     pub fn LLVMRustInsertPrivateGlobal(M: &'a Module, T: &'a Type) -> &'a Value;
 627     pub fn LLVMGetFirstGlobal(M: &Module) -> Option<&Value>;
 628     pub fn LLVMGetNextGlobal(GlobalVar: &Value) -> Option<&Value>;
 629     pub fn LLVMDeleteGlobal(GlobalVar: &Value);
 630     pub fn LLVMGetInitializer(GlobalVar: &Value) -> Option<&Value>;
 631     pub fn LLVMSetInitializer(GlobalVar: &'a Value, ConstantVal: &'a Value);
 632     pub fn LLVMSetThreadLocal(GlobalVar: &Value, IsThreadLocal: Bool);
 633     pub fn LLVMSetThreadLocalMode(GlobalVar: &Value, Mode: ThreadLocalMode);
 634     pub fn LLVMIsGlobalConstant(GlobalVar: &Value) -> Bool;
 635     pub fn LLVMSetGlobalConstant(GlobalVar: &Value, IsConstant: Bool);
 636     pub fn LLVMRustGetNamedValue(M: &Module, Name: *const c_char) -> Option<&Value>;
 637     pub fn LLVMSetTailCall(CallInst: &Value, IsTailCall: Bool);
 638
 639     // Operations on functions
 640     pub fn LLVMRustGetOrInsertFunction(M: &'a Module,
 641                                        Name: *const c_char,
 642                                        FunctionTy: &'a Type)
 643                                        -> &'a Value;
 644     pub fn LLVMSetFunctionCallConv(Fn: &Value, CC: c_uint);
 645     pub fn LLVMRustAddAlignmentAttr(Fn: &Value, index: c_uint, bytes: u32);
 646     pub fn LLVMRustAddDereferenceableAttr(Fn: &Value, index: c_uint, bytes: u64);
 647     pub fn LLVMRustAddDereferenceableOrNullAttr(Fn: &Value, index: c_uint, bytes: u64);
 648     pub fn LLVMRustAddFunctionAttribute(Fn: &Value, index: c_uint, attr: Attribute);
 649     pub fn LLVMRustAddFunctionAttrStringValue(Fn: &Value,
 650                                               index: c_uint,
 651                                               Name: *const c_char,
 652                                               Value: *const c_char);
 653     pub fn LLVMRustRemoveFunctionAttributes(Fn: &Value, index: c_uint, attr: Attribute);
 654
 655     // Operations on parameters
 656     pub fn LLVMCountParams(Fn: &Value) -> c_uint;
 657     pub fn LLVMGetParam(Fn: &Value, Index: c_uint) -> &Value;
 658
 659     // Operations on basic blocks
 660     pub fn LLVMGetBasicBlockParent(BB: &BasicBlock) -> &Value;
 661     pub fn LLVMAppendBasicBlockInContext(C: &'a Context,
 662                                          Fn: &'a Value,
 663                                          Name: *const c_char)
 664                                          -> &'a BasicBlock;
 665     pub fn LLVMDeleteBasicBlock(BB: &BasicBlock);
 666
 667     // Operations on instructions
 668     pub fn LLVMGetFirstBasicBlock(Fn: &Value) -> &BasicBlock;
 669
 670     // Operations on call sites
 671     pub fn LLVMSetInstructionCallConv(Instr: &Value, CC: c_uint);
 672     pub fn LLVMRustAddCallSiteAttribute(Instr: &Value, index: c_uint, attr: Attribute);
 673     pub fn LLVMRustAddAlignmentCallSiteAttr(Instr: &Value, index: c_uint, bytes: u32);
 674     pub fn LLVMRustAddDereferenceableCallSiteAttr(Instr: &Value, index: c_uint, bytes: u64);
 675     pub fn LLVMRustAddDereferenceableOrNullCallSiteAttr(Instr: &Value,
 676                                                         index: c_uint,
 677                                                         bytes: u64);
 678
 679     // Operations on load/store instructions (only)
 680     pub fn LLVMSetVolatile(MemoryAccessInst: &Value, volatile: Bool);
 681
 682     // Operations on phi nodes
 683     pub fn LLVMAddIncoming(PhiNode: &'a Value,
 684                            IncomingValues: *const &'a Value,
 685                            IncomingBlocks: *const &'a BasicBlock,
 686                            Count: c_uint);
 687
 688     // Instruction builders
 689     pub fn LLVMCreateBuilderInContext(C: &'a Context) -> &'a mut Builder<'a>;
 690     pub fn LLVMPositionBuilderAtEnd(Builder: &Builder<'a>, Block: &'a BasicBlock);
 691     pub fn LLVMGetInsertBlock(Builder: &Builder<'a>) -> &'a BasicBlock;
 692     pub fn LLVMDisposeBuilder(Builder: &'a mut Builder<'a>);
 693
 694     // Metadata
 695     pub fn LLVMSetCurrentDebugLocation(Builder: &Builder<'a>, L: Option<&'a Value>);
 696     pub fn LLVMGetCurrentDebugLocation(Builder: &Builder<'a>) -> &'a Value;
 697     pub fn LLVMSetInstDebugLocation(Builder: &Builder<'a>, Inst: &'a Value);
 698
 699     // Terminators
 700     pub fn LLVMBuildRetVoid(B: &Builder<'a>) -> &'a Value;
 701     pub fn LLVMBuildRet(B: &Builder<'a>, V: &'a Value) -> &'a Value;
 702     pub fn LLVMBuildBr(B: &Builder<'a>, Dest: &'a BasicBlock) -> &'a Value;
 703     pub fn LLVMBuildCondBr(B: &Builder<'a>,
 704                            If: &'a Value,
 705                            Then: &'a BasicBlock,
 706                            Else: &'a BasicBlock)
 707                            -> &'a Value;
 708     pub fn LLVMBuildSwitch(B: &Builder<'a>,
 709                            V: &'a Value,
 710                            Else: &'a BasicBlock,
 711                            NumCases: c_uint)
 712                            -> &'a Value;
 713     pub fn LLVMRustBuildInvoke(B: &Builder<'a>,
 714                                Fn: &'a Value,
 715                                Args: *const &'a Value,
 716                                NumArgs: c_uint,
 717                                Then: &'a BasicBlock,
 718                                Catch: &'a BasicBlock,
 719                                Bundle: Option<&OperandBundleDef<'a>>,
 720                                Name: *const c_char)
 721                                -> &'a Value;
 722     pub fn LLVMBuildLandingPad(B: &Builder<'a>,
 723                                Ty: &'a Type,
 724                                PersFn: &'a Value,
 725                                NumClauses: c_uint,
 726                                Name: *const c_char)
 727                                -> &'a Value;
 728     pub fn LLVMBuildResume(B: &Builder<'a>, Exn: &'a Value) -> &'a Value;
 729     pub fn LLVMBuildUnreachable(B: &Builder<'a>) -> &'a Value;
 730
 731     pub fn LLVMRustBuildCleanupPad(B: &Builder<'a>,
 732                                    ParentPad: Option<&'a Value>,
 733                                    ArgCnt: c_uint,
 734                                    Args: *const &'a Value,
 735                                    Name: *const c_char)
 736                                    -> Option<&'a Value>;
 737     pub fn LLVMRustBuildCleanupRet(B: &Builder<'a>,
 738                                    CleanupPad: &'a Value,
 739                                    UnwindBB: Option<&'a BasicBlock>)
 740                                    -> Option<&'a Value>;
 741     pub fn LLVMRustBuildCatchPad(B: &Builder<'a>,
 742                                  ParentPad: &'a Value,
 743                                  ArgCnt: c_uint,
 744                                  Args: *const &'a Value,
 745                                  Name: *const c_char)
 746                                  -> Option<&'a Value>;
 747     pub fn LLVMRustBuildCatchRet(
 748         B: &Builder<'a>,
 749         Pad: &'a Value,
 750         BB: &'a BasicBlock,
 751     ) -> Option<&'a Value>;
 752     pub fn LLVMRustBuildCatchSwitch(Builder: &Builder<'a>,
 753                                     ParentPad: Option<&'a Value>,
 754                                     BB: Option<&'a BasicBlock>,
 755                                     NumHandlers: c_uint,
 756                                     Name: *const c_char)
 757                                     -> Option<&'a Value>;
 758     pub fn LLVMRustAddHandler(CatchSwitch: &'a Value, Handler: &'a BasicBlock);
 759     pub fn LLVMSetPersonalityFn(Func: &'a Value, Pers: &'a Value);
 760
 761     // Add a case to the switch instruction
 762     pub fn LLVMAddCase(Switch: &'a Value, OnVal: &'a Value, Dest: &'a BasicBlock);
 763
 764     // Add a clause to the landing pad instruction
 765     pub fn LLVMAddClause(LandingPad: &'a Value, ClauseVal: &'a Value);
 766
 767     // Set the cleanup on a landing pad instruction
 768     pub fn LLVMSetCleanup(LandingPad: &Value, Val: Bool);
 769
 770     // Arithmetic
 771     pub fn LLVMBuildAdd(B: &Builder<'a>,
 772                         LHS: &'a Value,
 773                         RHS: &'a Value,
 774                         Name: *const c_char)
 775                         -> &'a Value;
 776     pub fn LLVMBuildFAdd(B: &Builder<'a>,
 777                          LHS: &'a Value,
 778                          RHS: &'a Value,
 779                          Name: *const c_char)
 780                          -> &'a Value;
 781     pub fn LLVMBuildSub(B: &Builder<'a>,
 782                         LHS: &'a Value,
 783                         RHS: &'a Value,
 784                         Name: *const c_char)
 785                         -> &'a Value;
 786     pub fn LLVMBuildFSub(B: &Builder<'a>,
 787                          LHS: &'a Value,
 788                          RHS: &'a Value,
 789                          Name: *const c_char)
 790                          -> &'a Value;
 791     pub fn LLVMBuildMul(B: &Builder<'a>,
 792                         LHS: &'a Value,
 793                         RHS: &'a Value,
 794                         Name: *const c_char)
 795                         -> &'a Value;
 796     pub fn LLVMBuildFMul(B: &Builder<'a>,
 797                          LHS: &'a Value,
 798                          RHS: &'a Value,
 799                          Name: *const c_char)
 800                          -> &'a Value;
 801     pub fn LLVMBuildUDiv(B: &Builder<'a>,
 802                          LHS: &'a Value,
 803                          RHS: &'a Value,
 804                          Name: *const c_char)
 805                          -> &'a Value;
 806     pub fn LLVMBuildExactUDiv(B: &Builder<'a>,
 807                               LHS: &'a Value,
 808                               RHS: &'a Value,
 809                               Name: *const c_char)
 810                               -> &'a Value;
 811     pub fn LLVMBuildSDiv(B: &Builder<'a>,
 812                          LHS: &'a Value,
 813                          RHS: &'a Value,
 814                          Name: *const c_char)
 815                          -> &'a Value;
 816     pub fn LLVMBuildExactSDiv(B: &Builder<'a>,
 817                               LHS: &'a Value,
 818                               RHS: &'a Value,
 819                               Name: *const c_char)
 820                               -> &'a Value;
 821     pub fn LLVMBuildFDiv(B: &Builder<'a>,
 822                          LHS: &'a Value,
 823                          RHS: &'a Value,
 824                          Name: *const c_char)
 825                          -> &'a Value;
 826     pub fn LLVMBuildURem(B: &Builder<'a>,
 827                          LHS: &'a Value,
 828                          RHS: &'a Value,
 829                          Name: *const c_char)
 830                          -> &'a Value;
 831     pub fn LLVMBuildSRem(B: &Builder<'a>,
 832                          LHS: &'a Value,
 833                          RHS: &'a Value,
 834                          Name: *const c_char)
 835                          -> &'a Value;
 836     pub fn LLVMBuildFRem(B: &Builder<'a>,
 837                          LHS: &'a Value,
 838                          RHS: &'a Value,
 839                          Name: *const c_char)
 840                          -> &'a Value;
 841     pub fn LLVMBuildShl(B: &Builder<'a>,
 842                         LHS: &'a Value,
 843                         RHS: &'a Value,
 844                         Name: *const c_char)
 845                         -> &'a Value;
 846     pub fn LLVMBuildLShr(B: &Builder<'a>,
 847                          LHS: &'a Value,
 848                          RHS: &'a Value,
 849                          Name: *const c_char)
 850                          -> &'a Value;
 851     pub fn LLVMBuildAShr(B: &Builder<'a>,
 852                          LHS: &'a Value,
 853                          RHS: &'a Value,
 854                          Name: *const c_char)
 855                          -> &'a Value;
 856     pub fn LLVMBuildAnd(B: &Builder<'a>,
 857                         LHS: &'a Value,
 858                         RHS: &'a Value,
 859                         Name: *const c_char)
 860                         -> &'a Value;
 861     pub fn LLVMBuildOr(B: &Builder<'a>,
 862                        LHS: &'a Value,
 863                        RHS: &'a Value,
 864                        Name: *const c_char)
 865                        -> &'a Value;
 866     pub fn LLVMBuildXor(B: &Builder<'a>,
 867                         LHS: &'a Value,
 868                         RHS: &'a Value,
 869                         Name: *const c_char)
 870                         -> &'a Value;
 871     pub fn LLVMBuildNeg(B: &Builder<'a>, V: &'a Value, Name: *const c_char) -> &'a Value;
 872     pub fn LLVMBuildFNeg(B: &Builder<'a>, V: &'a Value, Name: *const c_char) -> &'a Value;
 873     pub fn LLVMBuildNot(B: &Builder<'a>, V: &'a Value, Name: *const c_char) -> &'a Value;
 874     pub fn LLVMRustSetHasUnsafeAlgebra(Instr: &Value);
 875
 876     // Memory
 877     pub fn LLVMBuildAlloca(B: &Builder<'a>, Ty: &'a Type, Name: *const c_char) -> &'a Value;
 878     pub fn LLVMBuildLoad(B: &Builder<'a>, PointerVal: &'a Value, Name: *const c_char) -> &'a Value;
 879
 880     pub fn LLVMBuildStore(B: &Builder<'a>, Val: &'a Value, Ptr: &'a Value) -> &'a Value;
 881
 882     pub fn LLVMBuildGEP(B: &Builder<'a>,
 883                         Pointer: &'a Value,
 884                         Indices: *const &'a Value,
 885                         NumIndices: c_uint,
 886                         Name: *const c_char)
 887                         -> &'a Value;
 888     pub fn LLVMBuildInBoundsGEP(B: &Builder<'a>,
 889                                 Pointer: &'a Value,
 890                                 Indices: *const &'a Value,
 891                                 NumIndices: c_uint,
 892                                 Name: *const c_char)
 893                                 -> &'a Value;
 894     pub fn LLVMBuildStructGEP(B: &Builder<'a>,
 895                               Pointer: &'a Value,
 896                               Idx: c_uint,
 897                               Name: *const c_char)
 898                               -> &'a Value;
 899
 900     // Casts
 901     pub fn LLVMBuildTrunc(B: &Builder<'a>,
 902                           Val: &'a Value,
 903                           DestTy: &'a Type,
 904                           Name: *const c_char)
 905                           -> &'a Value;
 906     pub fn LLVMBuildZExt(B: &Builder<'a>,
 907                          Val: &'a Value,
 908                          DestTy: &'a Type,
 909                          Name: *const c_char)
 910                          -> &'a Value;
 911     pub fn LLVMBuildSExt(B: &Builder<'a>,
 912                          Val: &'a Value,
 913                          DestTy: &'a Type,
 914                          Name: *const c_char)
 915                          -> &'a Value;
 916     pub fn LLVMBuildFPToUI(B: &Builder<'a>,
 917                            Val: &'a Value,
 918                            DestTy: &'a Type,
 919                            Name: *const c_char)
 920                            -> &'a Value;
 921     pub fn LLVMBuildFPToSI(B: &Builder<'a>,
 922                            Val: &'a Value,
 923                            DestTy: &'a Type,
 924                            Name: *const c_char)
 925                            -> &'a Value;
 926     pub fn LLVMBuildUIToFP(B: &Builder<'a>,
 927                            Val: &'a Value,
 928                            DestTy: &'a Type,
 929                            Name: *const c_char)
 930                            -> &'a Value;
 931     pub fn LLVMBuildSIToFP(B: &Builder<'a>,
 932                            Val: &'a Value,
 933                            DestTy: &'a Type,
 934                            Name: *const c_char)
 935                            -> &'a Value;
 936     pub fn LLVMBuildFPTrunc(B: &Builder<'a>,
 937                             Val: &'a Value,
 938                             DestTy: &'a Type,
 939                             Name: *const c_char)
 940                             -> &'a Value;
 941     pub fn LLVMBuildFPExt(B: &Builder<'a>,
 942                           Val: &'a Value,
 943                           DestTy: &'a Type,
 944                           Name: *const c_char)
 945                           -> &'a Value;
 946     pub fn LLVMBuildPtrToInt(B: &Builder<'a>,
 947                              Val: &'a Value,
 948                              DestTy: &'a Type,
 949                              Name: *const c_char)
 950                              -> &'a Value;
 951     pub fn LLVMBuildIntToPtr(B: &Builder<'a>,
 952                              Val: &'a Value,
 953                              DestTy: &'a Type,
 954                              Name: *const c_char)
 955                              -> &'a Value;
 956     pub fn LLVMBuildBitCast(B: &Builder<'a>,
 957                             Val: &'a Value,
 958                             DestTy: &'a Type,
 959                             Name: *const c_char)
 960                             -> &'a Value;
 961     pub fn LLVMBuildPointerCast(B: &Builder<'a>,
 962                                 Val: &'a Value,
 963                                 DestTy: &'a Type,
 964                                 Name: *const c_char)
 965                                 -> &'a Value;
 966     pub fn LLVMRustBuildIntCast(B: &Builder<'a>,
 967                                 Val: &'a Value,
 968                                 DestTy: &'a Type,
 969                                 IsSized: bool)
 970                                 -> &'a Value;
 971
 972     // Comparisons
 973     pub fn LLVMBuildICmp(B: &Builder<'a>,
 974                          Op: c_uint,
 975                          LHS: &'a Value,
 976                          RHS: &'a Value,
 977                          Name: *const c_char)
 978                          -> &'a Value;
 979     pub fn LLVMBuildFCmp(B: &Builder<'a>,
 980                          Op: c_uint,
 981                          LHS: &'a Value,
 982                          RHS: &'a Value,
 983                          Name: *const c_char)
 984                          -> &'a Value;
 985
 986     // Miscellaneous instructions
 987     pub fn LLVMBuildPhi(B: &Builder<'a>, Ty: &'a Type, Name: *const c_char) -> &'a Value;
 988     pub fn LLVMRustBuildCall(B: &Builder<'a>,
 989                              Fn: &'a Value,
 990                              Args: *const &'a Value,
 991                              NumArgs: c_uint,
 992                              Bundle: Option<&OperandBundleDef<'a>>,
 993                              Name: *const c_char)
 994                              -> &'a Value;
 995     pub fn LLVMBuildSelect(B: &Builder<'a>,
 996                            If: &'a Value,
 997                            Then: &'a Value,
 998                            Else: &'a Value,
 999                            Name: *const c_char)
1000                            -> &'a Value;
1001     pub fn LLVMBuildVAArg(B: &Builder<'a>,
1002                           list: &'a Value,
1003                           Ty: &'a Type,
1004                           Name: *const c_char)
1005                           -> &'a Value;
1006     pub fn LLVMBuildExtractElement(B: &Builder<'a>,
1007                                    VecVal: &'a Value,
1008                                    Index: &'a Value,
1009                                    Name: *const c_char)
1010                                    -> &'a Value;
1011     pub fn LLVMBuildInsertElement(B: &Builder<'a>,
1012                                   VecVal: &'a Value,
1013                                   EltVal: &'a Value,
1014                                   Index: &'a Value,
1015                                   Name: *const c_char)
1016                                   -> &'a Value;
1017     pub fn LLVMBuildShuffleVector(B: &Builder<'a>,
1018                                   V1: &'a Value,
1019                                   V2: &'a Value,
1020                                   Mask: &'a Value,
1021                                   Name: *const c_char)
1022                                   -> &'a Value;
1023     pub fn LLVMBuildExtractValue(B: &Builder<'a>,
1024                                  AggVal: &'a Value,
1025                                  Index: c_uint,
1026                                  Name: *const c_char)
1027                                  -> &'a Value;
1028     pub fn LLVMBuildInsertValue(B: &Builder<'a>,
1029                                 AggVal: &'a Value,
1030                                 EltVal: &'a Value,
1031                                 Index: c_uint,
1032                                 Name: *const c_char)
1033                                 -> &'a Value;
1034
1035     pub fn LLVMRustBuildVectorReduceFAdd(B: &Builder<'a>,
1036                                          Acc: &'a Value,
1037                                          Src: &'a Value)
1038                                          -> Option<&'a Value>;
1039     pub fn LLVMRustBuildVectorReduceFMul(B: &Builder<'a>,
1040                                          Acc: &'a Value,
1041                                          Src: &'a Value)
1042                                          -> Option<&'a Value>;
1043     pub fn LLVMRustBuildVectorReduceAdd(B: &Builder<'a>,
1044                                         Src: &'a Value)
1045                                         -> Option<&'a Value>;
1046     pub fn LLVMRustBuildVectorReduceMul(B: &Builder<'a>,
1047                                         Src: &'a Value)
1048                                         -> Option<&'a Value>;
1049     pub fn LLVMRustBuildVectorReduceAnd(B: &Builder<'a>,
1050                                         Src: &'a Value)
1051                                         -> Option<&'a Value>;
1052     pub fn LLVMRustBuildVectorReduceOr(B: &Builder<'a>,
1053                                        Src: &'a Value)
1054                                        -> Option<&'a Value>;
1055     pub fn LLVMRustBuildVectorReduceXor(B: &Builder<'a>,
1056                                         Src: &'a Value)
1057                                         -> Option<&'a Value>;
1058     pub fn LLVMRustBuildVectorReduceMin(B: &Builder<'a>,
1059                                         Src: &'a Value,
1060                                         IsSigned: bool)
1061                                         -> Option<&'a Value>;
1062     pub fn LLVMRustBuildVectorReduceMax(B: &Builder<'a>,
1063                                         Src: &'a Value,
1064                                         IsSigned: bool)
1065                                         -> Option<&'a Value>;
1066     pub fn LLVMRustBuildVectorReduceFMin(B: &Builder<'a>,
1067                                          Src: &'a Value,
1068                                          IsNaN: bool)
1069                                          -> Option<&'a Value>;
1070     pub fn LLVMRustBuildVectorReduceFMax(B: &Builder<'a>,
1071                                          Src: &'a Value,
1072                                          IsNaN: bool)
1073                                          -> Option<&'a Value>;
1074
1075     pub fn LLVMRustBuildMinNum(
1076         B: &Builder<'a>,
1077         LHS: &'a Value,
1078         LHS: &'a Value,
1079     ) -> Option<&'a Value>;
1080     pub fn LLVMRustBuildMaxNum(
1081         B: &Builder<'a>,
1082         LHS: &'a Value,
1083         LHS: &'a Value,
1084     ) -> Option<&'a Value>;
1085
1086     // Atomic Operations
1087     pub fn LLVMRustBuildAtomicLoad(B: &Builder<'a>,
1088                                    PointerVal: &'a Value,
1089                                    Name: *const c_char,
1090                                    Order: AtomicOrdering)
1091                                    -> &'a Value;
1092
1093     pub fn LLVMRustBuildAtomicStore(B: &Builder<'a>,
1094                                     Val: &'a Value,
1095                                     Ptr: &'a Value,
1096                                     Order: AtomicOrdering)
1097                                     -> &'a Value;
1098
1099     pub fn LLVMRustBuildAtomicCmpXchg(B: &Builder<'a>,
1100                                       LHS: &'a Value,
1101                                       CMP: &'a Value,
1102                                       RHS: &'a Value,
1103                                       Order: AtomicOrdering,
1104                                       FailureOrder: AtomicOrdering,
1105                                       Weak: Bool)
1106                                       -> &'a Value;
1107
1108     pub fn LLVMBuildAtomicRMW(B: &Builder<'a>,
1109                               Op: AtomicRmwBinOp,
1110                               LHS: &'a Value,
1111                               RHS: &'a Value,
1112                               Order: AtomicOrdering,
1113                               SingleThreaded: Bool)
1114                               -> &'a Value;
1115
1116     pub fn LLVMRustBuildAtomicFence(B: &Builder,
1117                                     Order: AtomicOrdering,
1118                                     Scope: SynchronizationScope);
1119
1120     /// Writes a module to the specified path. Returns 0 on success.
1121     pub fn LLVMWriteBitcodeToFile(M: &Module, Path: *const c_char) -> c_int;
1122
1123     /// Creates a pass manager.
1124     pub fn LLVMCreatePassManager() -> &'a mut PassManager<'a>;
1125
1126     /// Creates a function-by-function pass manager
1127     pub fn LLVMCreateFunctionPassManagerForModule(M: &'a Module) -> &'a mut PassManager<'a>;
1128
1129     /// Disposes a pass manager.
1130     pub fn LLVMDisposePassManager(PM: &'a mut PassManager<'a>);
1131
1132     /// Runs a pass manager on a module.
1133     pub fn LLVMRunPassManager(PM: &PassManager<'a>, M: &'a Module) -> Bool;
1134
1135     pub fn LLVMInitializePasses();
1136
1137     pub fn LLVMPassManagerBuilderCreate() -> &'static mut PassManagerBuilder;
1138     pub fn LLVMPassManagerBuilderDispose(PMB: &'static mut PassManagerBuilder);
1139     pub fn LLVMPassManagerBuilderSetSizeLevel(PMB: &PassManagerBuilder, Value: Bool);
1140     pub fn LLVMPassManagerBuilderSetDisableUnrollLoops(PMB: &PassManagerBuilder, Value: Bool);
1141     pub fn LLVMPassManagerBuilderUseInlinerWithThreshold(PMB: &PassManagerBuilder,
1142                                                          threshold: c_uint);
1143     pub fn LLVMPassManagerBuilderPopulateModulePassManager(PMB: &PassManagerBuilder,
1144                                                            PM: &PassManager);
1145
1146     pub fn LLVMPassManagerBuilderPopulateFunctionPassManager(PMB: &PassManagerBuilder,
1147                                                              PM: &PassManager);
1148     pub fn LLVMPassManagerBuilderPopulateLTOPassManager(PMB: &PassManagerBuilder,
1149                                                         PM: &PassManager,
1150                                                         Internalize: Bool,
1151                                                         RunInliner: Bool);
1152     pub fn LLVMRustPassManagerBuilderPopulateThinLTOPassManager(
1153         PMB: &PassManagerBuilder,
1154         PM: &PassManager) -> bool;
1155
1156     // Stuff that's in rustllvm/ because it's not upstream yet.
1157
1158     /// Opens an object file.
1159     pub fn LLVMCreateObjectFile(
1160         MemBuf: &'static mut MemoryBuffer,
1161     ) -> Option<&'static mut ObjectFile>;
1162     /// Closes an object file.
1163     pub fn LLVMDisposeObjectFile(ObjFile: &'static mut ObjectFile);
1164
1165     /// Enumerates the sections in an object file.
1166     pub fn LLVMGetSections(ObjFile: &'a ObjectFile) -> &'a mut SectionIterator<'a>;
1167     /// Destroys a section iterator.
1168     pub fn LLVMDisposeSectionIterator(SI: &'a mut SectionIterator<'a>);
1169     /// Returns true if the section iterator is at the end of the section
1170     /// list:
1171     pub fn LLVMIsSectionIteratorAtEnd(ObjFile: &'a ObjectFile, SI: &SectionIterator<'a>) -> Bool;
1172     /// Moves the section iterator to point to the next section.
1173     pub fn LLVMMoveToNextSection(SI: &SectionIterator);
1174     /// Returns the current section size.
1175     pub fn LLVMGetSectionSize(SI: &SectionIterator) -> c_ulonglong;
1176     /// Returns the current section contents as a string buffer.
1177     pub fn LLVMGetSectionContents(SI: &SectionIterator) -> *const c_char;
1178
1179     /// Reads the given file and returns it as a memory buffer. Use
1180     /// LLVMDisposeMemoryBuffer() to get rid of it.
1181     pub fn LLVMRustCreateMemoryBufferWithContentsOfFile(
1182         Path: *const c_char,
1183     ) -> Option<&'static mut MemoryBuffer>;
1184
1185     pub fn LLVMStartMultithreaded() -> Bool;
1186
1187     /// Returns a string describing the last error caused by an LLVMRust* call.
1188     pub fn LLVMRustGetLastError() -> *const c_char;
1189
1190     /// Print the pass timings since static dtors aren't picking them up.
1191     pub fn LLVMRustPrintPassTimings();
1192
1193     pub fn LLVMStructCreateNamed(C: &Context, Name: *const c_char) -> &Type;
1194
1195     pub fn LLVMStructSetBody(StructTy: &'a Type,
1196                              ElementTypes: *const &'a Type,
1197                              ElementCount: c_uint,
1198                              Packed: Bool);
1199
1200     /// Prepares inline assembly.
1201     pub fn LLVMRustInlineAsm(Ty: &Type,
1202                              AsmString: *const c_char,
1203                              Constraints: *const c_char,
1204                              SideEffects: Bool,
1205                              AlignStack: Bool,
1206                              Dialect: AsmDialect)
1207                              -> &Value;
1208
1209     pub fn LLVMRustDebugMetadataVersion() -> u32;
1210     pub fn LLVMRustVersionMajor() -> u32;
1211     pub fn LLVMRustVersionMinor() -> u32;
1212
1213     pub fn LLVMRustAddModuleFlag(M: &Module, name: *const c_char, value: u32);
1214
1215     pub fn LLVMRustMetadataAsValue(C: &'a Context, MD: &'a Metadata) -> &'a Value;
1216
1217     pub fn LLVMRustDIBuilderCreate(M: &'a Module) -> &'a mut DIBuilder<'a>;
1218
1219     pub fn LLVMRustDIBuilderDispose(Builder: &'a mut DIBuilder<'a>);
1220
1221     pub fn LLVMRustDIBuilderFinalize(Builder: &DIBuilder);
1222
1223     pub fn LLVMRustDIBuilderCreateCompileUnit(Builder: &DIBuilder<'a>,
1224                                               Lang: c_uint,
1225                                               File: &'a DIFile,
1226                                               Producer: *const c_char,
1227                                               isOptimized: bool,
1228                                               Flags: *const c_char,
1229                                               RuntimeVer: c_uint,
1230                                               SplitName: *const c_char)
1231                                               -> &'a DIDescriptor;
1232
1233     pub fn LLVMRustDIBuilderCreateFile(Builder: &DIBuilder<'a>,
1234                                        Filename: *const c_char,
1235                                        Directory: *const c_char)
1236                                        -> &'a DIFile;
1237
1238     pub fn LLVMRustDIBuilderCreateSubroutineType(Builder: &DIBuilder<'a>,
1239                                                  File: &'a DIFile,
1240                                                  ParameterTypes: &'a DIArray)
1241                                                  -> &'a DICompositeType;
1242
1243     pub fn LLVMRustDIBuilderCreateFunction(Builder: &DIBuilder<'a>,
1244                                            Scope: &'a DIDescriptor,
1245                                            Name: *const c_char,
1246                                            LinkageName: *const c_char,
1247                                            File: &'a DIFile,
1248                                            LineNo: c_uint,
1249                                            Ty: &'a DIType,
1250                                            isLocalToUnit: bool,
1251                                            isDefinition: bool,
1252                                            ScopeLine: c_uint,
1253                                            Flags: DIFlags,
1254                                            isOptimized: bool,
1255                                            Fn: &'a Value,
1256                                            TParam: &'a DIArray,
1257                                            Decl: Option<&'a DIDescriptor>)
1258                                            -> &'a DISubprogram;
1259
1260     pub fn LLVMRustDIBuilderCreateBasicType(Builder: &DIBuilder<'a>,
1261                                             Name: *const c_char,
1262                                             SizeInBits: u64,
1263                                             AlignInBits: u32,
1264                                             Encoding: c_uint)
1265                                             -> &'a DIBasicType;
1266
1267     pub fn LLVMRustDIBuilderCreatePointerType(Builder: &DIBuilder<'a>,
1268                                               PointeeTy: &'a DIType,
1269                                               SizeInBits: u64,
1270                                               AlignInBits: u32,
1271                                               Name: *const c_char)
1272                                               -> &'a DIDerivedType;
1273
1274     pub fn LLVMRustDIBuilderCreateStructType(Builder: &DIBuilder<'a>,
1275                                              Scope: Option<&'a DIDescriptor>,
1276                                              Name: *const c_char,
1277                                              File: &'a DIFile,
1278                                              LineNumber: c_uint,
1279                                              SizeInBits: u64,
1280                                              AlignInBits: u32,
1281                                              Flags: DIFlags,
1282                                              DerivedFrom: Option<&'a DIType>,
1283                                              Elements: &'a DIArray,
1284                                              RunTimeLang: c_uint,
1285                                              VTableHolder: Option<&'a DIType>,
1286                                              UniqueId: *const c_char)
1287                                              -> &'a DICompositeType;
1288
1289     pub fn LLVMRustDIBuilderCreateMemberType(Builder: &DIBuilder<'a>,
1290                                              Scope: &'a DIDescriptor,
1291                                              Name: *const c_char,
1292                                              File: &'a DIFile,
1293                                              LineNo: c_uint,
1294                                              SizeInBits: u64,
1295                                              AlignInBits: u32,
1296                                              OffsetInBits: u64,
1297                                              Flags: DIFlags,
1298                                              Ty: &'a DIType)
1299                                              -> &'a DIDerivedType;
1300
1301     pub fn LLVMRustDIBuilderCreateLexicalBlock(Builder: &DIBuilder<'a>,
1302                                                Scope: &'a DIScope,
1303                                                File: &'a DIFile,
1304                                                Line: c_uint,
1305                                                Col: c_uint)
1306                                                -> &'a DILexicalBlock;
1307
1308     pub fn LLVMRustDIBuilderCreateLexicalBlockFile(Builder: &DIBuilder<'a>,
1309                                                    Scope: &'a DIScope,
1310                                                    File: &'a DIFile)
1311                                                    -> &'a DILexicalBlock;
1312
1313     pub fn LLVMRustDIBuilderCreateStaticVariable(Builder: &DIBuilder<'a>,
1314                                                  Context: Option<&'a DIScope>,
1315                                                  Name: *const c_char,
1316                                                  LinkageName: *const c_char,
1317                                                  File: &'a DIFile,
1318                                                  LineNo: c_uint,
1319                                                  Ty: &'a DIType,
1320                                                  isLocalToUnit: bool,
1321                                                  Val: &'a Value,
1322                                                  Decl: Option<&'a DIDescriptor>,
1323                                                  AlignInBits: u32)
1324                                                  -> &'a DIGlobalVariable;
1325
1326     pub fn LLVMRustDIBuilderCreateVariable(Builder: &DIBuilder<'a>,
1327                                            Tag: c_uint,
1328                                            Scope: &'a DIDescriptor,
1329                                            Name: *const c_char,
1330                                            File: &'a DIFile,
1331                                            LineNo: c_uint,
1332                                            Ty: &'a DIType,
1333                                            AlwaysPreserve: bool,
1334                                            Flags: DIFlags,
1335                                            ArgNo: c_uint,
1336                                            AlignInBits: u32)
1337                                            -> &'a DIVariable;
1338
1339     pub fn LLVMRustDIBuilderCreateArrayType(Builder: &DIBuilder<'a>,
1340                                             Size: u64,
1341                                             AlignInBits: u32,
1342                                             Ty: &'a DIType,
1343                                             Subscripts: &'a DIArray)
1344                                             -> &'a DIType;
1345
1346     pub fn LLVMRustDIBuilderGetOrCreateSubrange(Builder: &DIBuilder<'a>,
1347                                                 Lo: i64,
1348                                                 Count: i64)
1349                                                 -> &'a DISubrange;
1350
1351     pub fn LLVMRustDIBuilderGetOrCreateArray(Builder: &DIBuilder<'a>,
1352                                              Ptr: *const Option<&'a DIDescriptor>,
1353                                              Count: c_uint)
1354                                              -> &'a DIArray;
1355
1356     pub fn LLVMRustDIBuilderInsertDeclareAtEnd(Builder: &DIBuilder<'a>,
1357                                                Val: &'a Value,
1358                                                VarInfo: &'a DIVariable,
1359                                                AddrOps: *const i64,
1360                                                AddrOpsCount: c_uint,
1361                                                DL: &'a Value,
1362                                                InsertAtEnd: &'a BasicBlock)
1363                                                -> &'a Value;
1364
1365     pub fn LLVMRustDIBuilderCreateEnumerator(Builder: &DIBuilder<'a>,
1366                                              Name: *const c_char,
1367                                              Val: u64)
1368                                              -> &'a DIEnumerator;
1369
1370     pub fn LLVMRustDIBuilderCreateEnumerationType(Builder: &DIBuilder<'a>,
1371                                                   Scope: &'a DIScope,
1372                                                   Name: *const c_char,
1373                                                   File: &'a DIFile,
1374                                                   LineNumber: c_uint,
1375                                                   SizeInBits: u64,
1376                                                   AlignInBits: u32,
1377                                                   Elements: &'a DIArray,
1378                                                   ClassType: &'a DIType)
1379                                                   -> &'a DIType;
1380
1381     pub fn LLVMRustDIBuilderCreateUnionType(Builder: &DIBuilder<'a>,
1382                                             Scope: &'a DIScope,
1383                                             Name: *const c_char,
1384                                             File: &'a DIFile,
1385                                             LineNumber: c_uint,
1386                                             SizeInBits: u64,
1387                                             AlignInBits: u32,
1388                                             Flags: DIFlags,
1389                                             Elements: Option<&'a DIArray>,
1390                                             RunTimeLang: c_uint,
1391                                             UniqueId: *const c_char)
1392                                             -> &'a DIType;
1393
1394     pub fn LLVMSetUnnamedAddr(GlobalVar: &Value, UnnamedAddr: Bool);
1395
1396     pub fn LLVMRustDIBuilderCreateTemplateTypeParameter(Builder: &DIBuilder<'a>,
1397                                                         Scope: Option<&'a DIScope>,
1398                                                         Name: *const c_char,
1399                                                         Ty: &'a DIType,
1400                                                         File: &'a DIFile,
1401                                                         LineNo: c_uint,
1402                                                         ColumnNo: c_uint)
1403                                                         -> &'a DITemplateTypeParameter;
1404
1405
1406     pub fn LLVMRustDIBuilderCreateNameSpace(Builder: &DIBuilder<'a>,
1407                                             Scope: Option<&'a DIScope>,
1408                                             Name: *const c_char,
1409                                             File: &'a DIFile,
1410                                             LineNo: c_uint)
1411                                             -> &'a DINameSpace;
1412
1413     pub fn LLVMRustDICompositeTypeSetTypeArray(Builder: &DIBuilder<'a>,
1414                                                CompositeType: &'a DIType,
1415                                                TypeArray: &'a DIArray);
1416
1417
1418     pub fn LLVMRustDIBuilderCreateDebugLocation(Context: &'a Context,
1419                                                 Line: c_uint,
1420                                                 Column: c_uint,
1421                                                 Scope: &'a DIScope,
1422                                                 InlinedAt: Option<&'a Metadata>)
1423                                                 -> &'a Value;
1424     pub fn LLVMRustDIBuilderCreateOpDeref() -> i64;
1425     pub fn LLVMRustDIBuilderCreateOpPlusUconst() -> i64;
1426 }
1427
1428 #[allow(improper_ctypes)] // FIXME(#52456) needed for RustString.
1429 extern "C" {
1430     pub fn LLVMRustWriteTypeToString(Type: &Type, s: &RustString);
1431     pub fn LLVMRustWriteValueToString(value_ref: &Value, s: &RustString);
1432 }
1433
1434 extern "C" {
1435     pub fn LLVMIsAConstantInt(value_ref: &Value) -> Option<&Value>;
1436     pub fn LLVMIsAConstantFP(value_ref: &Value) -> Option<&Value>;
1437
1438     pub fn LLVMRustPassKind(Pass: &Pass) -> PassKind;
1439     pub fn LLVMRustFindAndCreatePass(Pass: *const c_char) -> Option<&'static mut Pass>;
1440     pub fn LLVMRustAddPass(PM: &PassManager, Pass: &'static mut Pass);
1441
1442     pub fn LLVMRustHasFeature(T: &TargetMachine, s: *const c_char) -> bool;
1443
1444     pub fn LLVMRustPrintTargetCPUs(T: &TargetMachine);
1445     pub fn LLVMRustPrintTargetFeatures(T: &TargetMachine);
1446
1447     pub fn LLVMRustCreateTargetMachine(Triple: *const c_char,
1448                                        CPU: *const c_char,
1449                                        Features: *const c_char,
1450                                        Model: CodeModel,
1451                                        Reloc: RelocMode,
1452                                        Level: CodeGenOptLevel,
1453                                        UseSoftFP: bool,
1454                                        PositionIndependentExecutable: bool,
1455                                        FunctionSections: bool,
1456                                        DataSections: bool,
1457                                        TrapUnreachable: bool,
1458                                        Singlethread: bool)
1459                                        -> Option<&'static mut TargetMachine>;
1460     pub fn LLVMRustDisposeTargetMachine(T: &'static mut TargetMachine);
1461     pub fn LLVMRustAddAnalysisPasses(T: &'a TargetMachine, PM: &PassManager<'a>, M: &'a Module);
1462     pub fn LLVMRustAddBuilderLibraryInfo(PMB: &'a PassManagerBuilder,
1463                                          M: &'a Module,
1464                                          DisableSimplifyLibCalls: bool);
1465     pub fn LLVMRustConfigurePassManagerBuilder(PMB: &PassManagerBuilder,
1466                                                OptLevel: CodeGenOptLevel,
1467                                                MergeFunctions: bool,
1468                                                SLPVectorize: bool,
1469                                                LoopVectorize: bool,
1470                                                PrepareForThinLTO: bool,
1471                                                PGOGenPath: *const c_char,
1472                                                PGOUsePath: *const c_char);
1473     pub fn LLVMRustAddLibraryInfo(PM: &PassManager<'a>,
1474                                   M: &'a Module,
1475                                   DisableSimplifyLibCalls: bool);
1476     pub fn LLVMRustRunFunctionPassManager(PM: &PassManager<'a>, M: &'a Module);
1477     pub fn LLVMRustWriteOutputFile(T: &'a TargetMachine,
1478                                    PM: &PassManager<'a>,
1479                                    M: &'a Module,
1480                                    Output: *const c_char,
1481                                    FileType: FileType)
1482                                    -> LLVMRustResult;
1483     pub fn LLVMRustPrintModule(PM: &PassManager<'a>,
1484                                M: &'a Module,
1485                                Output: *const c_char,
1486                                Demangle: extern fn(*const c_char,
1487                                                    size_t,
1488                                                    *mut c_char,
1489                                                    size_t) -> size_t);
1490     pub fn LLVMRustSetLLVMOptions(Argc: c_int, Argv: *const *const c_char);
1491     pub fn LLVMRustPrintPasses();
1492     pub fn LLVMRustSetNormalizedTarget(M: &Module, triple: *const c_char);
1493     pub fn LLVMRustAddAlwaysInlinePass(P: &PassManagerBuilder, AddLifetimes: bool);
1494     pub fn LLVMRustRunRestrictionPass(M: &Module, syms: *const *const c_char, len: size_t);
1495     pub fn LLVMRustMarkAllFunctionsNounwind(M: &Module);
1496
1497     pub fn LLVMRustOpenArchive(path: *const c_char) -> Option<&'static mut Archive>;
1498     pub fn LLVMRustArchiveIteratorNew(AR: &'a Archive) -> &'a mut ArchiveIterator<'a>;
1499     pub fn LLVMRustArchiveIteratorNext(
1500         AIR: &ArchiveIterator<'a>,
1501     ) -> Option<&'a mut ArchiveChild<'a>>;
1502     pub fn LLVMRustArchiveChildName(ACR: &ArchiveChild, size: &mut size_t) -> *const c_char;
1503     pub fn LLVMRustArchiveChildData(ACR: &ArchiveChild, size: &mut size_t) -> *const c_char;
1504     pub fn LLVMRustArchiveChildFree(ACR: &'a mut ArchiveChild<'a>);
1505     pub fn LLVMRustArchiveIteratorFree(AIR: &'a mut ArchiveIterator<'a>);
1506     pub fn LLVMRustDestroyArchive(AR: &'static mut Archive);
1507
1508     pub fn LLVMRustGetSectionName(SI: &SectionIterator, data: &mut *const c_char) -> size_t;
1509 }
1510
1511 #[allow(improper_ctypes)] // FIXME(#52456) needed for RustString.
1512 extern "C" {
1513     pub fn LLVMRustWriteTwineToString(T: &Twine, s: &RustString);
1514 }
1515
1516 extern "C" {
1517     pub fn LLVMContextSetDiagnosticHandler(C: &Context,
1518                                            Handler: DiagnosticHandler,
1519                                            DiagnosticContext: *mut c_void);
1520 }
1521
1522 #[allow(improper_ctypes)] // FIXME(#52456) needed for RustString.
1523 extern "C" {
1524     pub fn LLVMRustUnpackOptimizationDiagnostic(DI: &'a DiagnosticInfo,
1525                                                 pass_name_out: &RustString,
1526                                                 function_out: &mut Option<&'a Value>,
1527                                                 loc_line_out: &mut c_uint,
1528                                                 loc_column_out: &mut c_uint,
1529                                                 loc_filename_out: &RustString,
1530                                                 message_out: &RustString);
1531 }
1532
1533 extern "C" {
1534     pub fn LLVMRustUnpackInlineAsmDiagnostic(DI: &'a DiagnosticInfo,
1535                                              cookie_out: &mut c_uint,
1536                                              message_out: &mut Option<&'a Twine>,
1537                                              instruction_out: &mut Option<&'a Value>);
1538 }
1539
1540 #[allow(improper_ctypes)] // FIXME(#52456) needed for RustString.
1541 extern "C" {
1542     pub fn LLVMRustWriteDiagnosticInfoToString(DI: &DiagnosticInfo, s: &RustString);
1543 }
1544
1545 extern "C" {
1546     pub fn LLVMRustGetDiagInfoKind(DI: &DiagnosticInfo) -> DiagnosticKind;
1547
1548     pub fn LLVMRustSetInlineAsmDiagnosticHandler(C: &Context,
1549                                                  H: InlineAsmDiagHandler,
1550                                                  CX: *mut c_void);
1551 }
1552
1553 #[allow(improper_ctypes)] // FIXME(#52456) needed for RustString.
1554 extern "C" {
1555     pub fn LLVMRustWriteSMDiagnosticToString(d: &SMDiagnostic, s: &RustString);
1556 }
1557
1558 extern "C" {
1559     pub fn LLVMRustWriteArchive(Dst: *const c_char,
1560                                 NumMembers: size_t,
1561                                 Members: *const &RustArchiveMember,
1562                                 WriteSymbtab: bool,
1563                                 Kind: ArchiveKind)
1564                                 -> LLVMRustResult;
1565     pub fn LLVMRustArchiveMemberNew(Filename: *const c_char,
1566                                     Name: *const c_char,
1567                                     Child: Option<&'a ArchiveChild>)
1568                                     -> &'a mut RustArchiveMember<'a>;
1569     pub fn LLVMRustArchiveMemberFree(Member: &'a mut RustArchiveMember<'a>);
1570
1571     pub fn LLVMRustSetDataLayoutFromTargetMachine(M: &'a Module, TM: &'a TargetMachine);
1572
1573     pub fn LLVMRustBuildOperandBundleDef(Name: *const c_char,
1574                                          Inputs: *const &'a Value,
1575                                          NumInputs: c_uint)
1576                                          -> &'a mut OperandBundleDef<'a>;
1577     pub fn LLVMRustFreeOperandBundleDef(Bundle: &'a mut OperandBundleDef<'a>);
1578
1579     pub fn LLVMRustPositionBuilderAtStart(B: &Builder<'a>, BB: &'a BasicBlock);
1580
1581     pub fn LLVMRustSetComdat(M: &'a Module, V: &'a Value, Name: *const c_char);
1582     pub fn LLVMRustUnsetComdat(V: &Value);
1583     pub fn LLVMRustSetModulePIELevel(M: &Module);
1584     pub fn LLVMRustModuleBufferCreate(M: &Module) -> &'static mut ModuleBuffer;
1585     pub fn LLVMRustModuleBufferPtr(p: &ModuleBuffer) -> *const u8;
1586     pub fn LLVMRustModuleBufferLen(p: &ModuleBuffer) -> usize;
1587     pub fn LLVMRustModuleBufferFree(p: &'static mut ModuleBuffer);
1588     pub fn LLVMRustModuleCost(M: &Module) -> u64;
1589
1590     pub fn LLVMRustThinLTOAvailable() -> bool;
1591     pub fn LLVMRustPGOAvailable() -> bool;
1592     pub fn LLVMRustThinLTOBufferCreate(M: &Module) -> &'static mut ThinLTOBuffer;
1593     pub fn LLVMRustThinLTOBufferFree(M: &'static mut ThinLTOBuffer);
1594     pub fn LLVMRustThinLTOBufferPtr(M: &ThinLTOBuffer) -> *const c_char;
1595     pub fn LLVMRustThinLTOBufferLen(M: &ThinLTOBuffer) -> size_t;
1596     pub fn LLVMRustCreateThinLTOData(
1597         Modules: *const ThinLTOModule,
1598         NumModules: c_uint,
1599         PreservedSymbols: *const *const c_char,
1600         PreservedSymbolsLen: c_uint,
1601     ) -> Option<&'static mut ThinLTOData>;
1602     pub fn LLVMRustPrepareThinLTORename(
1603         Data: &ThinLTOData,
1604         Module: &Module,
1605     ) -> bool;
1606     pub fn LLVMRustPrepareThinLTOResolveWeak(
1607         Data: &ThinLTOData,
1608         Module: &Module,
1609     ) -> bool;
1610     pub fn LLVMRustPrepareThinLTOInternalize(
1611         Data: &ThinLTOData,
1612         Module: &Module,
1613     ) -> bool;
1614     pub fn LLVMRustPrepareThinLTOImport(
1615         Data: &ThinLTOData,
1616         Module: &Module,
1617     ) -> bool;
1618     pub fn LLVMRustFreeThinLTOData(Data: &'static mut ThinLTOData);
1619     pub fn LLVMRustParseBitcodeForThinLTO(
1620         Context: &Context,
1621         Data: *const u8,
1622         len: usize,
1623         Identifier: *const c_char,
1624     ) -> Option<&Module>;
1625     pub fn LLVMRustThinLTOGetDICompileUnit(M: &Module,
1626                                            CU1: &mut *mut c_void,
1627                                            CU2: &mut *mut c_void);
1628     pub fn LLVMRustThinLTOPatchDICompileUnit(M: &Module, CU: *mut c_void);
1629
1630     pub fn LLVMRustLinkerNew(M: &'a Module) -> &'a mut Linker<'a>;
1631     pub fn LLVMRustLinkerAdd(linker: &Linker,
1632                              bytecode: *const c_char,
1633                              bytecode_len: usize) -> bool;
1634     pub fn LLVMRustLinkerFree(linker: &'a mut Linker<'a>);
1635 }