src/librustc_codegen_llvm/llvm/ffi.rs

   1 #![allow(non_camel_case_types)]
   2 #![allow(non_upper_case_globals)]
   3
   4 use super::debuginfo::{
   5     DIBuilder, DIDescriptor, DIFile, DILexicalBlock, DISubprogram, DIType,
   6     DIBasicType, DIDerivedType, DICompositeType, DIScope, DIVariable,
   7     DIGlobalVariableExpression, DIArray, DISubrange, DITemplateTypeParameter, DIEnumerator,
   8     DINameSpace, DIFlags, DISPFlags, DebugEmissionKind,
   9 };
  10
  11 use libc::{c_uint, c_int, size_t, c_char};
  12 use libc::{c_ulonglong, c_void};
  13
  14 use std::marker::PhantomData;
  15
  16 use super::RustString;
  17
  18 pub type Bool = c_uint;
  19
  20 pub const True: Bool = 1 as Bool;
  21 pub const False: Bool = 0 as Bool;
  22
  23 #[derive(Copy, Clone, PartialEq)]
  24 #[repr(C)]
  25 #[allow(dead_code)] // Variants constructed by C++.
  26 pub enum LLVMRustResult {
  27     Success,
  28     Failure,
  29 }
  30 // Consts for the LLVM CallConv type, pre-cast to usize.
  31
  32 /// LLVM CallingConv::ID. Should we wrap this?
  33 #[derive(Copy, Clone, PartialEq, Debug)]
  34 #[repr(C)]
  35 pub enum CallConv {
  36     CCallConv = 0,
  37     FastCallConv = 8,
  38     ColdCallConv = 9,
  39     X86StdcallCallConv = 64,
  40     X86FastcallCallConv = 65,
  41     ArmAapcsCallConv = 67,
  42     Msp430Intr = 69,
  43     X86_ThisCall = 70,
  44     PtxKernel = 71,
  45     X86_64_SysV = 78,
  46     X86_64_Win64 = 79,
  47     X86_VectorCall = 80,
  48     X86_Intr = 83,
  49     AmdGpuKernel = 91,
  50 }
  51
  52 /// LLVMRustLinkage
  53 #[derive(PartialEq)]
  54 #[repr(C)]
  55 pub enum Linkage {
  56     ExternalLinkage = 0,
  57     AvailableExternallyLinkage = 1,
  58     LinkOnceAnyLinkage = 2,
  59     LinkOnceODRLinkage = 3,
  60     WeakAnyLinkage = 4,
  61     WeakODRLinkage = 5,
  62     AppendingLinkage = 6,
  63     InternalLinkage = 7,
  64     PrivateLinkage = 8,
  65     ExternalWeakLinkage = 9,
  66     CommonLinkage = 10,
  67 }
  68
  69 // LLVMRustVisibility
  70 #[repr(C)]
  71 pub enum Visibility {
  72     Default = 0,
  73     Hidden = 1,
  74     Protected = 2,
  75 }
  76
  77 /// LLVMDLLStorageClass
  78 #[derive(Copy, Clone)]
  79 #[repr(C)]
  80 pub enum DLLStorageClass {
  81     #[allow(dead_code)]
  82     Default = 0,
  83     DllImport = 1, // Function to be imported from DLL.
  84     #[allow(dead_code)]
  85     DllExport = 2, // Function to be accessible from DLL.
  86 }
  87
  88 /// Matches LLVMRustAttribute in rustllvm.h
  89 /// Semantically a subset of the C++ enum llvm::Attribute::AttrKind,
  90 /// though it is not ABI compatible (since it's a C++ enum)
  91 #[repr(C)]
  92 #[derive(Copy, Clone, Debug)]
  93 pub enum Attribute {
  94     AlwaysInline    = 0,
  95     ByVal           = 1,
  96     Cold            = 2,
  97     InlineHint      = 3,
  98     MinSize         = 4,
  99     Naked           = 5,
 100     NoAlias         = 6,
 101     NoCapture       = 7,
 102     NoInline        = 8,
 103     NonNull         = 9,
 104     NoRedZone       = 10,
 105     NoReturn        = 11,
 106     NoUnwind        = 12,
 107     OptimizeForSize = 13,
 108     ReadOnly        = 14,
 109     SExt            = 15,
 110     StructRet       = 16,
 111     UWTable         = 17,
 112     ZExt            = 18,
 113     InReg           = 19,
 114     SanitizeThread  = 20,
 115     SanitizeAddress = 21,
 116     SanitizeMemory  = 22,
 117     NonLazyBind     = 23,
 118     OptimizeNone    = 24,
 119     ReturnsTwice    = 25,
 120 }
 121
 122 /// LLVMIntPredicate
 123 #[derive(Copy, Clone)]
 124 #[repr(C)]
 125 pub enum IntPredicate {
 126     IntEQ = 32,
 127     IntNE = 33,
 128     IntUGT = 34,
 129     IntUGE = 35,
 130     IntULT = 36,
 131     IntULE = 37,
 132     IntSGT = 38,
 133     IntSGE = 39,
 134     IntSLT = 40,
 135     IntSLE = 41,
 136 }
 137
 138 impl IntPredicate {
 139     pub fn from_generic(intpre: rustc_codegen_ssa::common::IntPredicate) -> Self {
 140         match intpre {
 141             rustc_codegen_ssa::common::IntPredicate::IntEQ => IntPredicate::IntEQ,
 142             rustc_codegen_ssa::common::IntPredicate::IntNE => IntPredicate::IntNE,
 143             rustc_codegen_ssa::common::IntPredicate::IntUGT => IntPredicate::IntUGT,
 144             rustc_codegen_ssa::common::IntPredicate::IntUGE => IntPredicate::IntUGE,
 145             rustc_codegen_ssa::common::IntPredicate::IntULT => IntPredicate::IntULT,
 146             rustc_codegen_ssa::common::IntPredicate::IntULE => IntPredicate::IntULE,
 147             rustc_codegen_ssa::common::IntPredicate::IntSGT => IntPredicate::IntSGT,
 148             rustc_codegen_ssa::common::IntPredicate::IntSGE => IntPredicate::IntSGE,
 149             rustc_codegen_ssa::common::IntPredicate::IntSLT => IntPredicate::IntSLT,
 150             rustc_codegen_ssa::common::IntPredicate::IntSLE => IntPredicate::IntSLE,
 151         }
 152     }
 153 }
 154
 155 /// LLVMRealPredicate
 156 #[derive(Copy, Clone)]
 157 #[repr(C)]
 158 pub enum RealPredicate {
 159     RealPredicateFalse = 0,
 160     RealOEQ = 1,
 161     RealOGT = 2,
 162     RealOGE = 3,
 163     RealOLT = 4,
 164     RealOLE = 5,
 165     RealONE = 6,
 166     RealORD = 7,
 167     RealUNO = 8,
 168     RealUEQ = 9,
 169     RealUGT = 10,
 170     RealUGE = 11,
 171     RealULT = 12,
 172     RealULE = 13,
 173     RealUNE = 14,
 174     RealPredicateTrue = 15,
 175 }
 176
 177 impl RealPredicate {
 178     pub fn from_generic(realpred: rustc_codegen_ssa::common::RealPredicate) -> Self {
 179         match realpred {
 180             rustc_codegen_ssa::common::RealPredicate::RealPredicateFalse =>
 181                 RealPredicate::RealPredicateFalse,
 182             rustc_codegen_ssa::common::RealPredicate::RealOEQ => RealPredicate::RealOEQ,
 183             rustc_codegen_ssa::common::RealPredicate::RealOGT => RealPredicate::RealOGT,
 184             rustc_codegen_ssa::common::RealPredicate::RealOGE => RealPredicate::RealOGE,
 185             rustc_codegen_ssa::common::RealPredicate::RealOLT => RealPredicate::RealOLT,
 186             rustc_codegen_ssa::common::RealPredicate::RealOLE => RealPredicate::RealOLE,
 187             rustc_codegen_ssa::common::RealPredicate::RealONE => RealPredicate::RealONE,
 188             rustc_codegen_ssa::common::RealPredicate::RealORD => RealPredicate::RealORD,
 189             rustc_codegen_ssa::common::RealPredicate::RealUNO => RealPredicate::RealUNO,
 190             rustc_codegen_ssa::common::RealPredicate::RealUEQ => RealPredicate::RealUEQ,
 191             rustc_codegen_ssa::common::RealPredicate::RealUGT => RealPredicate::RealUGT,
 192             rustc_codegen_ssa::common::RealPredicate::RealUGE => RealPredicate::RealUGE,
 193             rustc_codegen_ssa::common::RealPredicate::RealULT => RealPredicate::RealULT,
 194             rustc_codegen_ssa::common::RealPredicate::RealULE => RealPredicate::RealULE,
 195             rustc_codegen_ssa::common::RealPredicate::RealUNE => RealPredicate::RealUNE,
 196             rustc_codegen_ssa::common::RealPredicate::RealPredicateTrue =>
 197                 RealPredicate::RealPredicateTrue
 198         }
 199     }
 200 }
 201
 202 /// LLVMTypeKind
 203 #[derive(Copy, Clone, PartialEq, Debug)]
 204 #[repr(C)]
 205 pub enum TypeKind {
 206     Void = 0,
 207     Half = 1,
 208     Float = 2,
 209     Double = 3,
 210     X86_FP80 = 4,
 211     FP128 = 5,
 212     PPC_FP128 = 6,
 213     Label = 7,
 214     Integer = 8,
 215     Function = 9,
 216     Struct = 10,
 217     Array = 11,
 218     Pointer = 12,
 219     Vector = 13,
 220     Metadata = 14,
 221     X86_MMX = 15,
 222     Token = 16,
 223 }
 224
 225 impl TypeKind {
 226     pub fn to_generic(self) -> rustc_codegen_ssa::common::TypeKind {
 227         match self {
 228             TypeKind::Void => rustc_codegen_ssa::common::TypeKind::Void,
 229             TypeKind::Half => rustc_codegen_ssa::common::TypeKind::Half,
 230             TypeKind::Float => rustc_codegen_ssa::common::TypeKind::Float,
 231             TypeKind::Double => rustc_codegen_ssa::common::TypeKind::Double,
 232             TypeKind::X86_FP80 => rustc_codegen_ssa::common::TypeKind::X86_FP80,
 233             TypeKind::FP128 => rustc_codegen_ssa::common::TypeKind::FP128,
 234             TypeKind::PPC_FP128 => rustc_codegen_ssa::common::TypeKind::PPC_FP128,
 235             TypeKind::Label => rustc_codegen_ssa::common::TypeKind::Label,
 236             TypeKind::Integer => rustc_codegen_ssa::common::TypeKind::Integer,
 237             TypeKind::Function => rustc_codegen_ssa::common::TypeKind::Function,
 238             TypeKind::Struct => rustc_codegen_ssa::common::TypeKind::Struct,
 239             TypeKind::Array => rustc_codegen_ssa::common::TypeKind::Array,
 240             TypeKind::Pointer => rustc_codegen_ssa::common::TypeKind::Pointer,
 241             TypeKind::Vector => rustc_codegen_ssa::common::TypeKind::Vector,
 242             TypeKind::Metadata => rustc_codegen_ssa::common::TypeKind::Metadata,
 243             TypeKind::X86_MMX => rustc_codegen_ssa::common::TypeKind::X86_MMX,
 244             TypeKind::Token => rustc_codegen_ssa::common::TypeKind::Token,
 245         }
 246     }
 247 }
 248
 249 /// LLVMAtomicRmwBinOp
 250 #[derive(Copy, Clone)]
 251 #[repr(C)]
 252 pub enum AtomicRmwBinOp {
 253     AtomicXchg = 0,
 254     AtomicAdd = 1,
 255     AtomicSub = 2,
 256     AtomicAnd = 3,
 257     AtomicNand = 4,
 258     AtomicOr = 5,
 259     AtomicXor = 6,
 260     AtomicMax = 7,
 261     AtomicMin = 8,
 262     AtomicUMax = 9,
 263     AtomicUMin = 10,
 264 }
 265
 266 impl AtomicRmwBinOp {
 267     pub fn from_generic(op: rustc_codegen_ssa::common::AtomicRmwBinOp) -> Self {
 268         match op {
 269             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicXchg => AtomicRmwBinOp::AtomicXchg,
 270             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicAdd => AtomicRmwBinOp::AtomicAdd,
 271             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicSub => AtomicRmwBinOp::AtomicSub,
 272             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicAnd => AtomicRmwBinOp::AtomicAnd,
 273             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicNand => AtomicRmwBinOp::AtomicNand,
 274             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicOr => AtomicRmwBinOp::AtomicOr,
 275             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicXor => AtomicRmwBinOp::AtomicXor,
 276             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicMax => AtomicRmwBinOp::AtomicMax,
 277             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicMin => AtomicRmwBinOp::AtomicMin,
 278             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicUMax => AtomicRmwBinOp::AtomicUMax,
 279             rustc_codegen_ssa::common::AtomicRmwBinOp::AtomicUMin => AtomicRmwBinOp::AtomicUMin
 280         }
 281     }
 282 }
 283
 284 /// LLVMAtomicOrdering
 285 #[derive(Copy, Clone)]
 286 #[repr(C)]
 287 pub enum AtomicOrdering {
 288     #[allow(dead_code)]
 289     NotAtomic = 0,
 290     Unordered = 1,
 291     Monotonic = 2,
 292     // Consume = 3,  // Not specified yet.
 293     Acquire = 4,
 294     Release = 5,
 295     AcquireRelease = 6,
 296     SequentiallyConsistent = 7,
 297 }
 298
 299 impl AtomicOrdering {
 300     pub fn from_generic(ao: rustc_codegen_ssa::common::AtomicOrdering) -> Self {
 301         match ao {
 302             rustc_codegen_ssa::common::AtomicOrdering::NotAtomic => AtomicOrdering::NotAtomic,
 303             rustc_codegen_ssa::common::AtomicOrdering::Unordered => AtomicOrdering::Unordered,
 304             rustc_codegen_ssa::common::AtomicOrdering::Monotonic => AtomicOrdering::Monotonic,
 305             rustc_codegen_ssa::common::AtomicOrdering::Acquire => AtomicOrdering::Acquire,
 306             rustc_codegen_ssa::common::AtomicOrdering::Release => AtomicOrdering::Release,
 307             rustc_codegen_ssa::common::AtomicOrdering::AcquireRelease =>
 308                 AtomicOrdering::AcquireRelease,
 309             rustc_codegen_ssa::common::AtomicOrdering::SequentiallyConsistent =>
 310                 AtomicOrdering::SequentiallyConsistent
 311         }
 312     }
 313 }
 314
 315
 316 /// LLVMRustSynchronizationScope
 317 #[derive(Copy, Clone)]
 318 #[repr(C)]
 319 pub enum SynchronizationScope {
 320     // FIXME: figure out if this variant is needed at all.
 321     #[allow(dead_code)]
 322     Other,
 323     SingleThread,
 324     CrossThread,
 325 }
 326
 327 impl SynchronizationScope {
 328     pub fn from_generic(sc: rustc_codegen_ssa::common::SynchronizationScope) -> Self {
 329         match sc {
 330             rustc_codegen_ssa::common::SynchronizationScope::Other => SynchronizationScope::Other,
 331             rustc_codegen_ssa::common::SynchronizationScope::SingleThread =>
 332                 SynchronizationScope::SingleThread,
 333             rustc_codegen_ssa::common::SynchronizationScope::CrossThread =>
 334                 SynchronizationScope::CrossThread,
 335         }
 336     }
 337 }
 338
 339 /// LLVMRustFileType
 340 #[derive(Copy, Clone)]
 341 #[repr(C)]
 342 pub enum FileType {
 343     // FIXME: figure out if this variant is needed at all.
 344     #[allow(dead_code)]
 345     Other,
 346     AssemblyFile,
 347     ObjectFile,
 348 }
 349
 350 /// LLVMMetadataType
 351 #[derive(Copy, Clone)]
 352 #[repr(C)]
 353 pub enum MetadataType {
 354     MD_dbg = 0,
 355     MD_tbaa = 1,
 356     MD_prof = 2,
 357     MD_fpmath = 3,
 358     MD_range = 4,
 359     MD_tbaa_struct = 5,
 360     MD_invariant_load = 6,
 361     MD_alias_scope = 7,
 362     MD_noalias = 8,
 363     MD_nontemporal = 9,
 364     MD_mem_parallel_loop_access = 10,
 365     MD_nonnull = 11,
 366 }
 367
 368 /// LLVMRustAsmDialect
 369 #[derive(Copy, Clone)]
 370 #[repr(C)]
 371 pub enum AsmDialect {
 372     // FIXME: figure out if this variant is needed at all.
 373     #[allow(dead_code)]
 374     Other,
 375     Att,
 376     Intel,
 377 }
 378
 379 impl AsmDialect {
 380     pub fn from_generic(asm: syntax::ast::AsmDialect) -> Self {
 381         match asm {
 382             syntax::ast::AsmDialect::Att => AsmDialect::Att,
 383             syntax::ast::AsmDialect::Intel => AsmDialect::Intel
 384         }
 385     }
 386 }
 387
 388 /// LLVMRustCodeGenOptLevel
 389 #[derive(Copy, Clone, PartialEq)]
 390 #[repr(C)]
 391 pub enum CodeGenOptLevel {
 392     // FIXME: figure out if this variant is needed at all.
 393     #[allow(dead_code)]
 394     Other,
 395     None,
 396     Less,
 397     Default,
 398     Aggressive,
 399 }
 400
 401 /// LLVMRelocMode
 402 #[derive(Copy, Clone, PartialEq)]
 403 #[repr(C)]
 404 pub enum RelocMode {
 405     Default,
 406     Static,
 407     PIC,
 408     DynamicNoPic,
 409     ROPI,
 410     RWPI,
 411     ROPI_RWPI,
 412 }
 413
 414 /// LLVMRustCodeModel
 415 #[derive(Copy, Clone)]
 416 #[repr(C)]
 417 pub enum CodeModel {
 418     // FIXME: figure out if this variant is needed at all.
 419     #[allow(dead_code)]
 420     Other,
 421     Small,
 422     Kernel,
 423     Medium,
 424     Large,
 425     None,
 426 }
 427
 428 /// LLVMRustDiagnosticKind
 429 #[derive(Copy, Clone)]
 430 #[repr(C)]
 431 #[allow(dead_code)] // Variants constructed by C++.
 432 pub enum DiagnosticKind {
 433     Other,
 434     InlineAsm,
 435     StackSize,
 436     DebugMetadataVersion,
 437     SampleProfile,
 438     OptimizationRemark,
 439     OptimizationRemarkMissed,
 440     OptimizationRemarkAnalysis,
 441     OptimizationRemarkAnalysisFPCommute,
 442     OptimizationRemarkAnalysisAliasing,
 443     OptimizationRemarkOther,
 444     OptimizationFailure,
 445     PGOProfile,
 446     Linker,
 447 }
 448
 449 /// LLVMRustArchiveKind
 450 #[derive(Copy, Clone)]
 451 #[repr(C)]
 452 pub enum ArchiveKind {
 453     // FIXME: figure out if this variant is needed at all.
 454     #[allow(dead_code)]
 455     Other,
 456     K_GNU,
 457     K_BSD,
 458     K_COFF,
 459 }
 460
 461 /// LLVMRustPassKind
 462 #[derive(Copy, Clone, PartialEq, Debug)]
 463 #[repr(C)]
 464 #[allow(dead_code)] // Variants constructed by C++.
 465 pub enum PassKind {
 466     Other,
 467     Function,
 468     Module,
 469 }
 470
 471 /// LLVMRustThinLTOData
 472 extern { pub type ThinLTOData; }
 473
 474 /// LLVMRustThinLTOBuffer
 475 extern { pub type ThinLTOBuffer; }
 476
 477 // LLVMRustModuleNameCallback
 478 pub type ThinLTOModuleNameCallback =
 479     unsafe extern "C" fn(*mut c_void, *const c_char, *const c_char);
 480
 481 /// LLVMRustThinLTOModule
 482 #[repr(C)]
 483 pub struct ThinLTOModule {
 484     pub identifier: *const c_char,
 485     pub data: *const u8,
 486     pub len: usize,
 487 }
 488
 489 /// LLVMThreadLocalMode
 490 #[derive(Copy, Clone)]
 491 #[repr(C)]
 492 pub enum ThreadLocalMode {
 493   NotThreadLocal,
 494   GeneralDynamic,
 495   LocalDynamic,
 496   InitialExec,
 497   LocalExec
 498 }
 499
 500 extern { type Opaque; }
 501 #[repr(C)]
 502 struct InvariantOpaque<'a> {
 503     _marker: PhantomData<&'a mut &'a ()>,
 504     _opaque: Opaque,
 505 }
 506
 507 // Opaque pointer types
 508 extern { pub type Module; }
 509 extern { pub type Context; }
 510 extern { pub type Type; }
 511 extern { pub type Value; }
 512 extern { pub type ConstantInt; }
 513 extern { pub type Metadata; }
 514 extern { pub type BasicBlock; }
 515 #[repr(C)]
 516 pub struct Builder<'a>(InvariantOpaque<'a>);
 517 extern { pub type MemoryBuffer; }
 518 #[repr(C)]
 519 pub struct PassManager<'a>(InvariantOpaque<'a>);
 520 extern { pub type PassManagerBuilder; }
 521 extern { pub type ObjectFile; }
 522 #[repr(C)]
 523 pub struct SectionIterator<'a>(InvariantOpaque<'a>);
 524 extern { pub type Pass; }
 525 extern { pub type TargetMachine; }
 526 extern { pub type Archive; }
 527 #[repr(C)]
 528 pub struct ArchiveIterator<'a>(InvariantOpaque<'a>);
 529 #[repr(C)]
 530 pub struct ArchiveChild<'a>(InvariantOpaque<'a>);
 531 extern { pub type Twine; }
 532 extern { pub type DiagnosticInfo; }
 533 extern { pub type SMDiagnostic; }
 534 #[repr(C)]
 535 pub struct RustArchiveMember<'a>(InvariantOpaque<'a>);
 536 #[repr(C)]
 537 pub struct OperandBundleDef<'a>(InvariantOpaque<'a>);
 538 #[repr(C)]
 539 pub struct Linker<'a>(InvariantOpaque<'a>);
 540
 541 pub type DiagnosticHandler = unsafe extern "C" fn(&DiagnosticInfo, *mut c_void);
 542 pub type InlineAsmDiagHandler = unsafe extern "C" fn(&SMDiagnostic, *const c_void, c_uint);
 543
 544
 545 pub mod debuginfo {
 546     use super::{InvariantOpaque, Metadata};
 547
 548     #[repr(C)]
 549     pub struct DIBuilder<'a>(InvariantOpaque<'a>);
 550
 551     pub type DIDescriptor = Metadata;
 552     pub type DIScope = DIDescriptor;
 553     pub type DIFile = DIScope;
 554     pub type DILexicalBlock = DIScope;
 555     pub type DISubprogram = DIScope;
 556     pub type DINameSpace = DIScope;
 557     pub type DIType = DIDescriptor;
 558     pub type DIBasicType = DIType;
 559     pub type DIDerivedType = DIType;
 560     pub type DICompositeType = DIDerivedType;
 561     pub type DIVariable = DIDescriptor;
 562     pub type DIGlobalVariableExpression = DIDescriptor;
 563     pub type DIArray = DIDescriptor;
 564     pub type DISubrange = DIDescriptor;
 565     pub type DIEnumerator = DIDescriptor;
 566     pub type DITemplateTypeParameter = DIDescriptor;
 567
 568     // These values **must** match with LLVMRustDIFlags!!
 569     bitflags! {
 570         #[repr(transparent)]
 571         #[derive(Default)]
 572         pub struct DIFlags: u32 {
 573             const FlagZero                = 0;
 574             const FlagPrivate             = 1;
 575             const FlagProtected           = 2;
 576             const FlagPublic              = 3;
 577             const FlagFwdDecl             = (1 << 2);
 578             const FlagAppleBlock          = (1 << 3);
 579             const FlagBlockByrefStruct    = (1 << 4);
 580             const FlagVirtual             = (1 << 5);
 581             const FlagArtificial          = (1 << 6);
 582             const FlagExplicit            = (1 << 7);
 583             const FlagPrototyped          = (1 << 8);
 584             const FlagObjcClassComplete   = (1 << 9);
 585             const FlagObjectPointer       = (1 << 10);
 586             const FlagVector              = (1 << 11);
 587             const FlagStaticMember        = (1 << 12);
 588             const FlagLValueReference     = (1 << 13);
 589             const FlagRValueReference     = (1 << 14);
 590             const FlagExternalTypeRef     = (1 << 15);
 591             const FlagIntroducedVirtual   = (1 << 18);
 592             const FlagBitField            = (1 << 19);
 593             const FlagNoReturn            = (1 << 20);
 594         }
 595     }
 596
 597     // These values **must** match with LLVMRustDISPFlags!!
 598     bitflags! {
 599         #[repr(transparent)]
 600         #[derive(Default)]
 601         pub struct DISPFlags: u32 {
 602             const SPFlagZero              = 0;
 603             const SPFlagVirtual           = 1;
 604             const SPFlagPureVirtual       = 2;
 605             const SPFlagLocalToUnit       = (1 << 2);
 606             const SPFlagDefinition        = (1 << 3);
 607             const SPFlagOptimized         = (1 << 4);
 608             const SPFlagMainSubprogram    = (1 << 5);
 609         }
 610     }
 611
 612     /// LLVMRustDebugEmissionKind
 613     #[derive(Copy, Clone)]
 614     #[repr(C)]
 615     pub enum DebugEmissionKind {
 616         NoDebug,
 617         FullDebug,
 618         LineTablesOnly,
 619     }
 620
 621     impl DebugEmissionKind {
 622         pub fn from_generic(kind: rustc::session::config::DebugInfo) -> Self {
 623             use rustc::session::config::DebugInfo;
 624             match kind {
 625                 DebugInfo::None => DebugEmissionKind::NoDebug,
 626                 DebugInfo::Limited => DebugEmissionKind::LineTablesOnly,
 627                 DebugInfo::Full => DebugEmissionKind::FullDebug,
 628             }
 629         }
 630     }
 631 }
 632
 633 extern { pub type ModuleBuffer; }
 634
 635 extern "C" {
 636     pub fn LLVMRustInstallFatalErrorHandler();
 637
 638     // Create and destroy contexts.
 639     pub fn LLVMRustContextCreate(shouldDiscardNames: bool) -> &'static mut Context;
 640     pub fn LLVMContextDispose(C: &'static mut Context);
 641     pub fn LLVMGetMDKindIDInContext(C: &Context, Name: *const c_char, SLen: c_uint) -> c_uint;
 642
 643     // Create modules.
 644     pub fn LLVMModuleCreateWithNameInContext(ModuleID: *const c_char, C: &Context) -> &Module;
 645     pub fn LLVMGetModuleContext(M: &Module) -> &Context;
 646     pub fn LLVMCloneModule(M: &Module) -> &Module;
 647
 648     /// Data layout. See Module::getDataLayout.
 649     pub fn LLVMGetDataLayout(M: &Module) -> *const c_char;
 650     pub fn LLVMSetDataLayout(M: &Module, Triple: *const c_char);
 651
 652     /// See Module::setModuleInlineAsm.
 653     pub fn LLVMSetModuleInlineAsm(M: &Module, Asm: *const c_char);
 654     pub fn LLVMRustAppendModuleInlineAsm(M: &Module, Asm: *const c_char);
 655
 656     /// See llvm::LLVMTypeKind::getTypeID.
 657     pub fn LLVMRustGetTypeKind(Ty: &Type) -> TypeKind;
 658
 659     // Operations on integer types
 660     pub fn LLVMInt1TypeInContext(C: &Context) -> &Type;
 661     pub fn LLVMInt8TypeInContext(C: &Context) -> &Type;
 662     pub fn LLVMInt16TypeInContext(C: &Context) -> &Type;
 663     pub fn LLVMInt32TypeInContext(C: &Context) -> &Type;
 664     pub fn LLVMInt64TypeInContext(C: &Context) -> &Type;
 665     pub fn LLVMIntTypeInContext(C: &Context, NumBits: c_uint) -> &Type;
 666
 667     pub fn LLVMGetIntTypeWidth(IntegerTy: &Type) -> c_uint;
 668
 669     // Operations on real types
 670     pub fn LLVMFloatTypeInContext(C: &Context) -> &Type;
 671     pub fn LLVMDoubleTypeInContext(C: &Context) -> &Type;
 672
 673     // Operations on function types
 674     pub fn LLVMFunctionType(ReturnType: &'a Type,
 675                             ParamTypes: *const &'a Type,
 676                             ParamCount: c_uint,
 677                             IsVarArg: Bool)
 678                             -> &'a Type;
 679     pub fn LLVMCountParamTypes(FunctionTy: &Type) -> c_uint;
 680     pub fn LLVMGetParamTypes(FunctionTy: &'a Type, Dest: *mut &'a Type);
 681
 682     // Operations on struct types
 683     pub fn LLVMStructTypeInContext(C: &'a Context,
 684                                    ElementTypes: *const &'a Type,
 685                                    ElementCount: c_uint,
 686                                    Packed: Bool)
 687                                    -> &'a Type;
 688
 689     // Operations on array, pointer, and vector types (sequence types)
 690     pub fn LLVMRustArrayType(ElementType: &Type, ElementCount: u64) -> &Type;
 691     pub fn LLVMPointerType(ElementType: &Type, AddressSpace: c_uint) -> &Type;
 692     pub fn LLVMVectorType(ElementType: &Type, ElementCount: c_uint) -> &Type;
 693
 694     pub fn LLVMGetElementType(Ty: &Type) -> &Type;
 695     pub fn LLVMGetVectorSize(VectorTy: &Type) -> c_uint;
 696
 697     // Operations on other types
 698     pub fn LLVMVoidTypeInContext(C: &Context) -> &Type;
 699     pub fn LLVMX86MMXTypeInContext(C: &Context) -> &Type;
 700     pub fn LLVMRustMetadataTypeInContext(C: &Context) -> &Type;
 701
 702     // Operations on all values
 703     pub fn LLVMTypeOf(Val: &Value) -> &Type;
 704     pub fn LLVMGetValueName(Val: &Value) -> *const c_char;
 705     pub fn LLVMSetValueName(Val: &Value, Name: *const c_char);
 706     pub fn LLVMReplaceAllUsesWith(OldVal: &'a Value, NewVal: &'a Value);
 707     pub fn LLVMSetMetadata(Val: &'a Value, KindID: c_uint, Node: &'a Value);
 708
 709     // Operations on constants of any type
 710     pub fn LLVMConstNull(Ty: &Type) -> &Value;
 711     pub fn LLVMGetUndef(Ty: &Type) -> &Value;
 712
 713     // Operations on metadata
 714     pub fn LLVMMDStringInContext(C: &Context, Str: *const c_char, SLen: c_uint) -> &Value;
 715     pub fn LLVMMDNodeInContext(C: &'a Context, Vals: *const &'a Value, Count: c_uint) -> &'a Value;
 716     pub fn LLVMAddNamedMetadataOperand(M: &'a Module, Name: *const c_char, Val: &'a Value);
 717
 718     // Operations on scalar constants
 719     pub fn LLVMConstInt(IntTy: &Type, N: c_ulonglong, SignExtend: Bool) -> &Value;
 720     pub fn LLVMConstIntOfArbitraryPrecision(IntTy: &Type, Wn: c_uint, Ws: *const u64) -> &Value;
 721     pub fn LLVMConstReal(RealTy: &Type, N: f64) -> &Value;
 722     pub fn LLVMConstIntGetZExtValue(ConstantVal: &ConstantInt) -> c_ulonglong;
 723     pub fn LLVMRustConstInt128Get(ConstantVal: &ConstantInt, SExt: bool,
 724                                   high: &mut u64, low: &mut u64) -> bool;
 725
 726
 727     // Operations on composite constants
 728     pub fn LLVMConstStringInContext(C: &Context,
 729                                     Str: *const c_char,
 730                                     Length: c_uint,
 731                                     DontNullTerminate: Bool)
 732                                     -> &Value;
 733     pub fn LLVMConstStructInContext(C: &'a Context,
 734                                     ConstantVals: *const &'a Value,
 735                                     Count: c_uint,
 736                                     Packed: Bool)
 737                                     -> &'a Value;
 738
 739     pub fn LLVMConstArray(ElementTy: &'a Type,
 740                           ConstantVals: *const &'a Value,
 741                           Length: c_uint)
 742                           -> &'a Value;
 743     pub fn LLVMConstVector(ScalarConstantVals: *const &Value, Size: c_uint) -> &Value;
 744
 745     // Constant expressions
 746     pub fn LLVMConstInBoundsGEP(
 747         ConstantVal: &'a Value,
 748         ConstantIndices: *const &'a Value,
 749         NumIndices: c_uint,
 750     ) -> &'a Value;
 751     pub fn LLVMConstZExt(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 752     pub fn LLVMConstPtrToInt(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 753     pub fn LLVMConstIntToPtr(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 754     pub fn LLVMConstBitCast(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 755     pub fn LLVMConstPointerCast(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value;
 756     pub fn LLVMConstExtractValue(AggConstant: &Value,
 757                                  IdxList: *const c_uint,
 758                                  NumIdx: c_uint)
 759                                  -> &Value;
 760
 761     // Operations on global variables, functions, and aliases (globals)
 762     pub fn LLVMIsDeclaration(Global: &Value) -> Bool;
 763     pub fn LLVMRustGetLinkage(Global: &Value) -> Linkage;
 764     pub fn LLVMRustSetLinkage(Global: &Value, RustLinkage: Linkage);
 765     pub fn LLVMSetSection(Global: &Value, Section: *const c_char);
 766     pub fn LLVMRustGetVisibility(Global: &Value) -> Visibility;
 767     pub fn LLVMRustSetVisibility(Global: &Value, Viz: Visibility);
 768     pub fn LLVMGetAlignment(Global: &Value) -> c_uint;
 769     pub fn LLVMSetAlignment(Global: &Value, Bytes: c_uint);
 770     pub fn LLVMSetDLLStorageClass(V: &Value, C: DLLStorageClass);
 771
 772
 773     // Operations on global variables
 774     pub fn LLVMIsAGlobalVariable(GlobalVar: &Value) -> Option<&Value>;
 775     pub fn LLVMAddGlobal(M: &'a Module, Ty: &'a Type, Name: *const c_char) -> &'a Value;
 776     pub fn LLVMGetNamedGlobal(M: &Module, Name: *const c_char) -> Option<&Value>;
 777     pub fn LLVMRustGetOrInsertGlobal(M: &'a Module, Name: *const c_char, T: &'a Type) -> &'a Value;
 778     pub fn LLVMRustInsertPrivateGlobal(M: &'a Module, T: &'a Type) -> &'a Value;
 779     pub fn LLVMGetFirstGlobal(M: &Module) -> Option<&Value>;
 780     pub fn LLVMGetNextGlobal(GlobalVar: &Value) -> Option<&Value>;
 781     pub fn LLVMDeleteGlobal(GlobalVar: &Value);
 782     pub fn LLVMGetInitializer(GlobalVar: &Value) -> Option<&Value>;
 783     pub fn LLVMSetInitializer(GlobalVar: &'a Value, ConstantVal: &'a Value);
 784     pub fn LLVMSetThreadLocal(GlobalVar: &Value, IsThreadLocal: Bool);
 785     pub fn LLVMSetThreadLocalMode(GlobalVar: &Value, Mode: ThreadLocalMode);
 786     pub fn LLVMIsGlobalConstant(GlobalVar: &Value) -> Bool;
 787     pub fn LLVMSetGlobalConstant(GlobalVar: &Value, IsConstant: Bool);
 788     pub fn LLVMRustGetNamedValue(M: &Module, Name: *const c_char) -> Option<&Value>;
 789     pub fn LLVMSetTailCall(CallInst: &Value, IsTailCall: Bool);
 790
 791     // Operations on functions
 792     pub fn LLVMRustGetOrInsertFunction(M: &'a Module,
 793                                        Name: *const c_char,
 794                                        FunctionTy: &'a Type)
 795                                        -> &'a Value;
 796     pub fn LLVMSetFunctionCallConv(Fn: &Value, CC: c_uint);
 797     pub fn LLVMRustAddAlignmentAttr(Fn: &Value, index: c_uint, bytes: u32);
 798     pub fn LLVMRustAddDereferenceableAttr(Fn: &Value, index: c_uint, bytes: u64);
 799     pub fn LLVMRustAddDereferenceableOrNullAttr(Fn: &Value, index: c_uint, bytes: u64);
 800     pub fn LLVMRustAddByValAttr(Fn: &Value, index: c_uint, ty: &Type);
 801     pub fn LLVMRustAddFunctionAttribute(Fn: &Value, index: c_uint, attr: Attribute);
 802     pub fn LLVMRustAddFunctionAttrStringValue(Fn: &Value,
 803                                               index: c_uint,
 804                                               Name: *const c_char,
 805                                               Value: *const c_char);
 806     pub fn LLVMRustRemoveFunctionAttributes(Fn: &Value, index: c_uint, attr: Attribute);
 807
 808     // Operations on parameters
 809     pub fn LLVMIsAArgument(Val: &Value) -> Option<&Value>;
 810     pub fn LLVMCountParams(Fn: &Value) -> c_uint;
 811     pub fn LLVMGetParam(Fn: &Value, Index: c_uint) -> &Value;
 812
 813     // Operations on basic blocks
 814     pub fn LLVMGetBasicBlockParent(BB: &BasicBlock) -> &Value;
 815     pub fn LLVMAppendBasicBlockInContext(C: &'a Context,
 816                                          Fn: &'a Value,
 817                                          Name: *const c_char)
 818                                          -> &'a BasicBlock;
 819     pub fn LLVMDeleteBasicBlock(BB: &BasicBlock);
 820
 821     // Operations on instructions
 822     pub fn LLVMIsAInstruction(Val: &Value) -> Option<&Value>;
 823     pub fn LLVMGetFirstBasicBlock(Fn: &Value) -> &BasicBlock;
 824
 825     // Operations on call sites
 826     pub fn LLVMSetInstructionCallConv(Instr: &Value, CC: c_uint);
 827     pub fn LLVMRustAddCallSiteAttribute(Instr: &Value, index: c_uint, attr: Attribute);
 828     pub fn LLVMRustAddAlignmentCallSiteAttr(Instr: &Value, index: c_uint, bytes: u32);
 829     pub fn LLVMRustAddDereferenceableCallSiteAttr(Instr: &Value, index: c_uint, bytes: u64);
 830     pub fn LLVMRustAddDereferenceableOrNullCallSiteAttr(Instr: &Value,
 831                                                         index: c_uint,
 832                                                         bytes: u64);
 833     pub fn LLVMRustAddByValCallSiteAttr(Instr: &Value, index: c_uint, ty: &Type);
 834
 835     // Operations on load/store instructions (only)
 836     pub fn LLVMSetVolatile(MemoryAccessInst: &Value, volatile: Bool);
 837
 838     // Operations on phi nodes
 839     pub fn LLVMAddIncoming(PhiNode: &'a Value,
 840                            IncomingValues: *const &'a Value,
 841                            IncomingBlocks: *const &'a BasicBlock,
 842                            Count: c_uint);
 843
 844     // Instruction builders
 845     pub fn LLVMCreateBuilderInContext(C: &'a Context) -> &'a mut Builder<'a>;
 846     pub fn LLVMPositionBuilderAtEnd(Builder: &Builder<'a>, Block: &'a BasicBlock);
 847     pub fn LLVMGetInsertBlock(Builder: &Builder<'a>) -> &'a BasicBlock;
 848     pub fn LLVMDisposeBuilder(Builder: &'a mut Builder<'a>);
 849
 850     // Metadata
 851     pub fn LLVMSetCurrentDebugLocation(Builder: &Builder<'a>, L: Option<&'a Value>);
 852     pub fn LLVMGetCurrentDebugLocation(Builder: &Builder<'a>) -> &'a Value;
 853     pub fn LLVMSetInstDebugLocation(Builder: &Builder<'a>, Inst: &'a Value);
 854
 855     // Terminators
 856     pub fn LLVMBuildRetVoid(B: &Builder<'a>) -> &'a Value;
 857     pub fn LLVMBuildRet(B: &Builder<'a>, V: &'a Value) -> &'a Value;
 858     pub fn LLVMBuildBr(B: &Builder<'a>, Dest: &'a BasicBlock) -> &'a Value;
 859     pub fn LLVMBuildCondBr(B: &Builder<'a>,
 860                            If: &'a Value,
 861                            Then: &'a BasicBlock,
 862                            Else: &'a BasicBlock)
 863                            -> &'a Value;
 864     pub fn LLVMBuildSwitch(B: &Builder<'a>,
 865                            V: &'a Value,
 866                            Else: &'a BasicBlock,
 867                            NumCases: c_uint)
 868                            -> &'a Value;
 869     pub fn LLVMRustBuildInvoke(B: &Builder<'a>,
 870                                Fn: &'a Value,
 871                                Args: *const &'a Value,
 872                                NumArgs: c_uint,
 873                                Then: &'a BasicBlock,
 874                                Catch: &'a BasicBlock,
 875                                Bundle: Option<&OperandBundleDef<'a>>,
 876                                Name: *const c_char)
 877                                -> &'a Value;
 878     pub fn LLVMBuildLandingPad(B: &Builder<'a>,
 879                                Ty: &'a Type,
 880                                PersFn: &'a Value,
 881                                NumClauses: c_uint,
 882                                Name: *const c_char)
 883                                -> &'a Value;
 884     pub fn LLVMBuildResume(B: &Builder<'a>, Exn: &'a Value) -> &'a Value;
 885     pub fn LLVMBuildUnreachable(B: &Builder<'a>) -> &'a Value;
 886
 887     pub fn LLVMRustBuildCleanupPad(B: &Builder<'a>,
 888                                    ParentPad: Option<&'a Value>,
 889                                    ArgCnt: c_uint,
 890                                    Args: *const &'a Value,
 891                                    Name: *const c_char)
 892                                    -> Option<&'a Value>;
 893     pub fn LLVMRustBuildCleanupRet(B: &Builder<'a>,
 894                                    CleanupPad: &'a Value,
 895                                    UnwindBB: Option<&'a BasicBlock>)
 896                                    -> Option<&'a Value>;
 897     pub fn LLVMRustBuildCatchPad(B: &Builder<'a>,
 898                                  ParentPad: &'a Value,
 899                                  ArgCnt: c_uint,
 900                                  Args: *const &'a Value,
 901                                  Name: *const c_char)
 902                                  -> Option<&'a Value>;
 903     pub fn LLVMRustBuildCatchRet(
 904         B: &Builder<'a>,
 905         Pad: &'a Value,
 906         BB: &'a BasicBlock,
 907     ) -> Option<&'a Value>;
 908     pub fn LLVMRustBuildCatchSwitch(Builder: &Builder<'a>,
 909                                     ParentPad: Option<&'a Value>,
 910                                     BB: Option<&'a BasicBlock>,
 911                                     NumHandlers: c_uint,
 912                                     Name: *const c_char)
 913                                     -> Option<&'a Value>;
 914     pub fn LLVMRustAddHandler(CatchSwitch: &'a Value, Handler: &'a BasicBlock);
 915     pub fn LLVMSetPersonalityFn(Func: &'a Value, Pers: &'a Value);
 916
 917     // Add a case to the switch instruction
 918     pub fn LLVMAddCase(Switch: &'a Value, OnVal: &'a Value, Dest: &'a BasicBlock);
 919
 920     // Add a clause to the landing pad instruction
 921     pub fn LLVMAddClause(LandingPad: &'a Value, ClauseVal: &'a Value);
 922
 923     // Set the cleanup on a landing pad instruction
 924     pub fn LLVMSetCleanup(LandingPad: &Value, Val: Bool);
 925
 926     // Arithmetic
 927     pub fn LLVMBuildAdd(B: &Builder<'a>,
 928                         LHS: &'a Value,
 929                         RHS: &'a Value,
 930                         Name: *const c_char)
 931                         -> &'a Value;
 932     pub fn LLVMBuildFAdd(B: &Builder<'a>,
 933                          LHS: &'a Value,
 934                          RHS: &'a Value,
 935                          Name: *const c_char)
 936                          -> &'a Value;
 937     pub fn LLVMBuildSub(B: &Builder<'a>,
 938                         LHS: &'a Value,
 939                         RHS: &'a Value,
 940                         Name: *const c_char)
 941                         -> &'a Value;
 942     pub fn LLVMBuildFSub(B: &Builder<'a>,
 943                          LHS: &'a Value,
 944                          RHS: &'a Value,
 945                          Name: *const c_char)
 946                          -> &'a Value;
 947     pub fn LLVMBuildMul(B: &Builder<'a>,
 948                         LHS: &'a Value,
 949                         RHS: &'a Value,
 950                         Name: *const c_char)
 951                         -> &'a Value;
 952     pub fn LLVMBuildFMul(B: &Builder<'a>,
 953                          LHS: &'a Value,
 954                          RHS: &'a Value,
 955                          Name: *const c_char)
 956                          -> &'a Value;
 957     pub fn LLVMBuildUDiv(B: &Builder<'a>,
 958                          LHS: &'a Value,
 959                          RHS: &'a Value,
 960                          Name: *const c_char)
 961                          -> &'a Value;
 962     pub fn LLVMBuildExactUDiv(B: &Builder<'a>,
 963                               LHS: &'a Value,
 964                               RHS: &'a Value,
 965                               Name: *const c_char)
 966                               -> &'a Value;
 967     pub fn LLVMBuildSDiv(B: &Builder<'a>,
 968                          LHS: &'a Value,
 969                          RHS: &'a Value,
 970                          Name: *const c_char)
 971                          -> &'a Value;
 972     pub fn LLVMBuildExactSDiv(B: &Builder<'a>,
 973                               LHS: &'a Value,
 974                               RHS: &'a Value,
 975                               Name: *const c_char)
 976                               -> &'a Value;
 977     pub fn LLVMBuildFDiv(B: &Builder<'a>,
 978                          LHS: &'a Value,
 979                          RHS: &'a Value,
 980                          Name: *const c_char)
 981                          -> &'a Value;
 982     pub fn LLVMBuildURem(B: &Builder<'a>,
 983                          LHS: &'a Value,
 984                          RHS: &'a Value,
 985                          Name: *const c_char)
 986                          -> &'a Value;
 987     pub fn LLVMBuildSRem(B: &Builder<'a>,
 988                          LHS: &'a Value,
 989                          RHS: &'a Value,
 990                          Name: *const c_char)
 991                          -> &'a Value;
 992     pub fn LLVMBuildFRem(B: &Builder<'a>,
 993                          LHS: &'a Value,
 994                          RHS: &'a Value,
 995                          Name: *const c_char)
 996                          -> &'a Value;
 997     pub fn LLVMBuildShl(B: &Builder<'a>,
 998                         LHS: &'a Value,
 999                         RHS: &'a Value,
1000                         Name: *const c_char)
1001                         -> &'a Value;
1002     pub fn LLVMBuildLShr(B: &Builder<'a>,
1003                          LHS: &'a Value,
1004                          RHS: &'a Value,
1005                          Name: *const c_char)
1006                          -> &'a Value;
1007     pub fn LLVMBuildAShr(B: &Builder<'a>,
1008                          LHS: &'a Value,
1009                          RHS: &'a Value,
1010                          Name: *const c_char)
1011                          -> &'a Value;
1012     pub fn LLVMBuildNSWAdd(B: &Builder<'a>,
1013                            LHS: &'a Value,
1014                            RHS: &'a Value,
1015                            Name: *const c_char)
1016                            -> &'a Value;
1017     pub fn LLVMBuildNUWAdd(B: &Builder<'a>,
1018                            LHS: &'a Value,
1019                            RHS: &'a Value,
1020                            Name: *const c_char)
1021                            -> &'a Value;
1022     pub fn LLVMBuildNSWSub(B: &Builder<'a>,
1023                            LHS: &'a Value,
1024                            RHS: &'a Value,
1025                            Name: *const c_char)
1026                            -> &'a Value;
1027     pub fn LLVMBuildNUWSub(B: &Builder<'a>,
1028                            LHS: &'a Value,
1029                            RHS: &'a Value,
1030                            Name: *const c_char)
1031                            -> &'a Value;
1032     pub fn LLVMBuildNSWMul(B: &Builder<'a>,
1033                            LHS: &'a Value,
1034                            RHS: &'a Value,
1035                            Name: *const c_char)
1036                            -> &'a Value;
1037     pub fn LLVMBuildNUWMul(B: &Builder<'a>,
1038                            LHS: &'a Value,
1039                            RHS: &'a Value,
1040                            Name: *const c_char)
1041                            -> &'a Value;
1042     pub fn LLVMBuildAnd(B: &Builder<'a>,
1043                         LHS: &'a Value,
1044                         RHS: &'a Value,
1045                         Name: *const c_char)
1046                         -> &'a Value;
1047     pub fn LLVMBuildOr(B: &Builder<'a>,
1048                        LHS: &'a Value,
1049                        RHS: &'a Value,
1050                        Name: *const c_char)
1051                        -> &'a Value;
1052     pub fn LLVMBuildXor(B: &Builder<'a>,
1053                         LHS: &'a Value,
1054                         RHS: &'a Value,
1055                         Name: *const c_char)
1056                         -> &'a Value;
1057     pub fn LLVMBuildNeg(B: &Builder<'a>, V: &'a Value, Name: *const c_char) -> &'a Value;
1058     pub fn LLVMBuildFNeg(B: &Builder<'a>, V: &'a Value, Name: *const c_char) -> &'a Value;
1059     pub fn LLVMBuildNot(B: &Builder<'a>, V: &'a Value, Name: *const c_char) -> &'a Value;
1060     pub fn LLVMRustSetHasUnsafeAlgebra(Instr: &Value);
1061
1062     // Memory
1063     pub fn LLVMBuildAlloca(B: &Builder<'a>, Ty: &'a Type, Name: *const c_char) -> &'a Value;
1064     pub fn LLVMBuildArrayAlloca(B: &Builder<'a>,
1065                                 Ty: &'a Type,
1066                                 Val: &'a Value,
1067                                 Name: *const c_char)
1068                                 -> &'a Value;
1069     pub fn LLVMBuildLoad(B: &Builder<'a>, PointerVal: &'a Value, Name: *const c_char) -> &'a Value;
1070
1071     pub fn LLVMBuildStore(B: &Builder<'a>, Val: &'a Value, Ptr: &'a Value) -> &'a Value;
1072
1073     pub fn LLVMBuildGEP(B: &Builder<'a>,
1074                         Pointer: &'a Value,
1075                         Indices: *const &'a Value,
1076                         NumIndices: c_uint,
1077                         Name: *const c_char)
1078                         -> &'a Value;
1079     pub fn LLVMBuildInBoundsGEP(B: &Builder<'a>,
1080                                 Pointer: &'a Value,
1081                                 Indices: *const &'a Value,
1082                                 NumIndices: c_uint,
1083                                 Name: *const c_char)
1084                                 -> &'a Value;
1085     pub fn LLVMBuildStructGEP(B: &Builder<'a>,
1086                               Pointer: &'a Value,
1087                               Idx: c_uint,
1088                               Name: *const c_char)
1089                               -> &'a Value;
1090
1091     // Casts
1092     pub fn LLVMBuildTrunc(B: &Builder<'a>,
1093                           Val: &'a Value,
1094                           DestTy: &'a Type,
1095                           Name: *const c_char)
1096                           -> &'a Value;
1097     pub fn LLVMBuildZExt(B: &Builder<'a>,
1098                          Val: &'a Value,
1099                          DestTy: &'a Type,
1100                          Name: *const c_char)
1101                          -> &'a Value;
1102     pub fn LLVMBuildSExt(B: &Builder<'a>,
1103                          Val: &'a Value,
1104                          DestTy: &'a Type,
1105                          Name: *const c_char)
1106                          -> &'a Value;
1107     pub fn LLVMBuildFPToUI(B: &Builder<'a>,
1108                            Val: &'a Value,
1109                            DestTy: &'a Type,
1110                            Name: *const c_char)
1111                            -> &'a Value;
1112     pub fn LLVMBuildFPToSI(B: &Builder<'a>,
1113                            Val: &'a Value,
1114                            DestTy: &'a Type,
1115                            Name: *const c_char)
1116                            -> &'a Value;
1117     pub fn LLVMBuildUIToFP(B: &Builder<'a>,
1118                            Val: &'a Value,
1119                            DestTy: &'a Type,
1120                            Name: *const c_char)
1121                            -> &'a Value;
1122     pub fn LLVMBuildSIToFP(B: &Builder<'a>,
1123                            Val: &'a Value,
1124                            DestTy: &'a Type,
1125                            Name: *const c_char)
1126                            -> &'a Value;
1127     pub fn LLVMBuildFPTrunc(B: &Builder<'a>,
1128                             Val: &'a Value,
1129                             DestTy: &'a Type,
1130                             Name: *const c_char)
1131                             -> &'a Value;
1132     pub fn LLVMBuildFPExt(B: &Builder<'a>,
1133                           Val: &'a Value,
1134                           DestTy: &'a Type,
1135                           Name: *const c_char)
1136                           -> &'a Value;
1137     pub fn LLVMBuildPtrToInt(B: &Builder<'a>,
1138                              Val: &'a Value,
1139                              DestTy: &'a Type,
1140                              Name: *const c_char)
1141                              -> &'a Value;
1142     pub fn LLVMBuildIntToPtr(B: &Builder<'a>,
1143                              Val: &'a Value,
1144                              DestTy: &'a Type,
1145                              Name: *const c_char)
1146                              -> &'a Value;
1147     pub fn LLVMBuildBitCast(B: &Builder<'a>,
1148                             Val: &'a Value,
1149                             DestTy: &'a Type,
1150                             Name: *const c_char)
1151                             -> &'a Value;
1152     pub fn LLVMBuildPointerCast(B: &Builder<'a>,
1153                                 Val: &'a Value,
1154                                 DestTy: &'a Type,
1155                                 Name: *const c_char)
1156                                 -> &'a Value;
1157     pub fn LLVMRustBuildIntCast(B: &Builder<'a>,
1158                                 Val: &'a Value,
1159                                 DestTy: &'a Type,
1160                                 IsSized: bool)
1161                                 -> &'a Value;
1162
1163     // Comparisons
1164     pub fn LLVMBuildICmp(B: &Builder<'a>,
1165                          Op: c_uint,
1166                          LHS: &'a Value,
1167                          RHS: &'a Value,
1168                          Name: *const c_char)
1169                          -> &'a Value;
1170     pub fn LLVMBuildFCmp(B: &Builder<'a>,
1171                          Op: c_uint,
1172                          LHS: &'a Value,
1173                          RHS: &'a Value,
1174                          Name: *const c_char)
1175                          -> &'a Value;
1176
1177     // Miscellaneous instructions
1178     pub fn LLVMBuildPhi(B: &Builder<'a>, Ty: &'a Type, Name: *const c_char) -> &'a Value;
1179     pub fn LLVMRustBuildCall(B: &Builder<'a>,
1180                              Fn: &'a Value,
1181                              Args: *const &'a Value,
1182                              NumArgs: c_uint,
1183                              Bundle: Option<&OperandBundleDef<'a>>,
1184                              Name: *const c_char)
1185                              -> &'a Value;
1186     pub fn LLVMRustBuildMemCpy(B: &Builder<'a>,
1187                                Dst: &'a Value,
1188                                DstAlign: c_uint,
1189                                Src: &'a Value,
1190                                SrcAlign: c_uint,
1191                                Size: &'a Value,
1192                                IsVolatile: bool)
1193                                -> &'a Value;
1194     pub fn LLVMRustBuildMemMove(B: &Builder<'a>,
1195                                 Dst: &'a Value,
1196                                 DstAlign: c_uint,
1197                                 Src: &'a Value,
1198                                 SrcAlign: c_uint,
1199                                 Size: &'a Value,
1200                                 IsVolatile: bool)
1201                                 -> &'a Value;
1202     pub fn LLVMBuildSelect(B: &Builder<'a>,
1203                            If: &'a Value,
1204                            Then: &'a Value,
1205                            Else: &'a Value,
1206                            Name: *const c_char)
1207                            -> &'a Value;
1208     pub fn LLVMBuildVAArg(B: &Builder<'a>,
1209                           list: &'a Value,
1210                           Ty: &'a Type,
1211                           Name: *const c_char)
1212                           -> &'a Value;
1213     pub fn LLVMBuildExtractElement(B: &Builder<'a>,
1214                                    VecVal: &'a Value,
1215                                    Index: &'a Value,
1216                                    Name: *const c_char)
1217                                    -> &'a Value;
1218     pub fn LLVMBuildInsertElement(B: &Builder<'a>,
1219                                   VecVal: &'a Value,
1220                                   EltVal: &'a Value,
1221                                   Index: &'a Value,
1222                                   Name: *const c_char)
1223                                   -> &'a Value;
1224     pub fn LLVMBuildShuffleVector(B: &Builder<'a>,
1225                                   V1: &'a Value,
1226                                   V2: &'a Value,
1227                                   Mask: &'a Value,
1228                                   Name: *const c_char)
1229                                   -> &'a Value;
1230     pub fn LLVMBuildExtractValue(B: &Builder<'a>,
1231                                  AggVal: &'a Value,
1232                                  Index: c_uint,
1233                                  Name: *const c_char)
1234                                  -> &'a Value;
1235     pub fn LLVMBuildInsertValue(B: &Builder<'a>,
1236                                 AggVal: &'a Value,
1237                                 EltVal: &'a Value,
1238                                 Index: c_uint,
1239                                 Name: *const c_char)
1240                                 -> &'a Value;
1241
1242     pub fn LLVMRustBuildVectorReduceFAdd(B: &Builder<'a>,
1243                                          Acc: &'a Value,
1244                                          Src: &'a Value)
1245                                          -> &'a Value;
1246     pub fn LLVMRustBuildVectorReduceFMul(B: &Builder<'a>,
1247                                          Acc: &'a Value,
1248                                          Src: &'a Value)
1249                                          -> &'a Value;
1250     pub fn LLVMRustBuildVectorReduceAdd(B: &Builder<'a>,
1251                                         Src: &'a Value)
1252                                         -> &'a Value;
1253     pub fn LLVMRustBuildVectorReduceMul(B: &Builder<'a>,
1254                                         Src: &'a Value)
1255                                         -> &'a Value;
1256     pub fn LLVMRustBuildVectorReduceAnd(B: &Builder<'a>,
1257                                         Src: &'a Value)
1258                                         -> &'a Value;
1259     pub fn LLVMRustBuildVectorReduceOr(B: &Builder<'a>,
1260                                        Src: &'a Value)
1261                                        -> &'a Value;
1262     pub fn LLVMRustBuildVectorReduceXor(B: &Builder<'a>,
1263                                         Src: &'a Value)
1264                                         -> &'a Value;
1265     pub fn LLVMRustBuildVectorReduceMin(B: &Builder<'a>,
1266                                         Src: &'a Value,
1267                                         IsSigned: bool)
1268                                         -> &'a Value;
1269     pub fn LLVMRustBuildVectorReduceMax(B: &Builder<'a>,
1270                                         Src: &'a Value,
1271                                         IsSigned: bool)
1272                                         -> &'a Value;
1273     pub fn LLVMRustBuildVectorReduceFMin(B: &Builder<'a>,
1274                                          Src: &'a Value,
1275                                          IsNaN: bool)
1276                                          -> &'a Value;
1277     pub fn LLVMRustBuildVectorReduceFMax(B: &Builder<'a>,
1278                                          Src: &'a Value,
1279                                          IsNaN: bool)
1280                                          -> &'a Value;
1281
1282     pub fn LLVMRustBuildMinNum(
1283         B: &Builder<'a>,
1284         LHS: &'a Value,
1285         LHS: &'a Value,
1286     ) -> &'a Value;
1287     pub fn LLVMRustBuildMaxNum(
1288         B: &Builder<'a>,
1289         LHS: &'a Value,
1290         LHS: &'a Value,
1291     ) -> &'a Value;
1292
1293     // Atomic Operations
1294     pub fn LLVMRustBuildAtomicLoad(B: &Builder<'a>,
1295                                    PointerVal: &'a Value,
1296                                    Name: *const c_char,
1297                                    Order: AtomicOrdering)
1298                                    -> &'a Value;
1299
1300     pub fn LLVMRustBuildAtomicStore(B: &Builder<'a>,
1301                                     Val: &'a Value,
1302                                     Ptr: &'a Value,
1303                                     Order: AtomicOrdering)
1304                                     -> &'a Value;
1305
1306     pub fn LLVMRustBuildAtomicCmpXchg(B: &Builder<'a>,
1307                                       LHS: &'a Value,
1308                                       CMP: &'a Value,
1309                                       RHS: &'a Value,
1310                                       Order: AtomicOrdering,
1311                                       FailureOrder: AtomicOrdering,
1312                                       Weak: Bool)
1313                                       -> &'a Value;
1314
1315     pub fn LLVMBuildAtomicRMW(B: &Builder<'a>,
1316                               Op: AtomicRmwBinOp,
1317                               LHS: &'a Value,
1318                               RHS: &'a Value,
1319                               Order: AtomicOrdering,
1320                               SingleThreaded: Bool)
1321                               -> &'a Value;
1322
1323     pub fn LLVMRustBuildAtomicFence(B: &Builder<'_>,
1324                                     Order: AtomicOrdering,
1325                                     Scope: SynchronizationScope);
1326
1327     /// Writes a module to the specified path. Returns 0 on success.
1328     pub fn LLVMWriteBitcodeToFile(M: &Module, Path: *const c_char) -> c_int;
1329
1330     /// Creates a pass manager.
1331     pub fn LLVMCreatePassManager() -> &'a mut PassManager<'a>;
1332
1333     /// Creates a function-by-function pass manager
1334     pub fn LLVMCreateFunctionPassManagerForModule(M: &'a Module) -> &'a mut PassManager<'a>;
1335
1336     /// Disposes a pass manager.
1337     pub fn LLVMDisposePassManager(PM: &'a mut PassManager<'a>);
1338
1339     /// Runs a pass manager on a module.
1340     pub fn LLVMRunPassManager(PM: &PassManager<'a>, M: &'a Module) -> Bool;
1341
1342     pub fn LLVMInitializePasses();
1343
1344     pub fn LLVMAddAnalysisPasses(T: &'a TargetMachine, PM: &PassManager<'a>);
1345
1346     pub fn LLVMPassManagerBuilderCreate() -> &'static mut PassManagerBuilder;
1347     pub fn LLVMPassManagerBuilderDispose(PMB: &'static mut PassManagerBuilder);
1348     pub fn LLVMPassManagerBuilderSetSizeLevel(PMB: &PassManagerBuilder, Value: Bool);
1349     pub fn LLVMPassManagerBuilderSetDisableUnrollLoops(PMB: &PassManagerBuilder, Value: Bool);
1350     pub fn LLVMPassManagerBuilderUseInlinerWithThreshold(PMB: &PassManagerBuilder,
1351                                                          threshold: c_uint);
1352     pub fn LLVMPassManagerBuilderPopulateModulePassManager(PMB: &PassManagerBuilder,
1353                                                            PM: &PassManager<'_>);
1354
1355     pub fn LLVMPassManagerBuilderPopulateFunctionPassManager(PMB: &PassManagerBuilder,
1356                                                              PM: &PassManager<'_>);
1357     pub fn LLVMPassManagerBuilderPopulateLTOPassManager(PMB: &PassManagerBuilder,
1358                                                         PM: &PassManager<'_>,
1359                                                         Internalize: Bool,
1360                                                         RunInliner: Bool);
1361     pub fn LLVMRustPassManagerBuilderPopulateThinLTOPassManager(
1362         PMB: &PassManagerBuilder,
1363         PM: &PassManager<'_>);
1364
1365     // Stuff that's in rustllvm/ because it's not upstream yet.
1366
1367     /// Opens an object file.
1368     pub fn LLVMCreateObjectFile(
1369         MemBuf: &'static mut MemoryBuffer,
1370     ) -> Option<&'static mut ObjectFile>;
1371     /// Closes an object file.
1372     pub fn LLVMDisposeObjectFile(ObjFile: &'static mut ObjectFile);
1373
1374     /// Enumerates the sections in an object file.
1375     pub fn LLVMGetSections(ObjFile: &'a ObjectFile) -> &'a mut SectionIterator<'a>;
1376     /// Destroys a section iterator.
1377     pub fn LLVMDisposeSectionIterator(SI: &'a mut SectionIterator<'a>);
1378     /// Returns `true` if the section iterator is at the end of the section
1379     /// list:
1380     pub fn LLVMIsSectionIteratorAtEnd(ObjFile: &'a ObjectFile, SI: &SectionIterator<'a>) -> Bool;
1381     /// Moves the section iterator to point to the next section.
1382     pub fn LLVMMoveToNextSection(SI: &SectionIterator<'_>);
1383     /// Returns the current section size.
1384     pub fn LLVMGetSectionSize(SI: &SectionIterator<'_>) -> c_ulonglong;
1385     /// Returns the current section contents as a string buffer.
1386     pub fn LLVMGetSectionContents(SI: &SectionIterator<'_>) -> *const c_char;
1387
1388     /// Reads the given file and returns it as a memory buffer. Use
1389     /// LLVMDisposeMemoryBuffer() to get rid of it.
1390     pub fn LLVMRustCreateMemoryBufferWithContentsOfFile(
1391         Path: *const c_char,
1392     ) -> Option<&'static mut MemoryBuffer>;
1393
1394     pub fn LLVMStartMultithreaded() -> Bool;
1395
1396     /// Returns a string describing the last error caused by an LLVMRust* call.
1397     pub fn LLVMRustGetLastError() -> *const c_char;
1398
1399     /// Print the pass timings since static dtors aren't picking them up.
1400     pub fn LLVMRustPrintPassTimings();
1401
1402     pub fn LLVMStructCreateNamed(C: &Context, Name: *const c_char) -> &Type;
1403
1404     pub fn LLVMStructSetBody(StructTy: &'a Type,
1405                              ElementTypes: *const &'a Type,
1406                              ElementCount: c_uint,
1407                              Packed: Bool);
1408
1409     /// Prepares inline assembly.
1410     pub fn LLVMRustInlineAsm(Ty: &Type,
1411                              AsmString: *const c_char,
1412                              Constraints: *const c_char,
1413                              SideEffects: Bool,
1414                              AlignStack: Bool,
1415                              Dialect: AsmDialect)
1416                              -> &Value;
1417     pub fn LLVMRustInlineAsmVerify(Ty: &Type,
1418                                    Constraints: *const c_char)
1419                                    -> bool;
1420
1421     pub fn LLVMRustDebugMetadataVersion() -> u32;
1422     pub fn LLVMRustVersionMajor() -> u32;
1423     pub fn LLVMRustVersionMinor() -> u32;
1424
1425     pub fn LLVMRustAddModuleFlag(M: &Module, name: *const c_char, value: u32);
1426
1427     pub fn LLVMRustMetadataAsValue(C: &'a Context, MD: &'a Metadata) -> &'a Value;
1428
1429     pub fn LLVMRustDIBuilderCreate(M: &'a Module) -> &'a mut DIBuilder<'a>;
1430
1431     pub fn LLVMRustDIBuilderDispose(Builder: &'a mut DIBuilder<'a>);
1432
1433     pub fn LLVMRustDIBuilderFinalize(Builder: &DIBuilder<'_>);
1434
1435     pub fn LLVMRustDIBuilderCreateCompileUnit(Builder: &DIBuilder<'a>,
1436                                               Lang: c_uint,
1437                                               File: &'a DIFile,
1438                                               Producer: *const c_char,
1439                                               isOptimized: bool,
1440                                               Flags: *const c_char,
1441                                               RuntimeVer: c_uint,
1442                                               SplitName: *const c_char,
1443                                               kind: DebugEmissionKind)
1444                                               -> &'a DIDescriptor;
1445
1446     pub fn LLVMRustDIBuilderCreateFile(Builder: &DIBuilder<'a>,
1447                                        Filename: *const c_char,
1448                                        Directory: *const c_char)
1449                                        -> &'a DIFile;
1450
1451     pub fn LLVMRustDIBuilderCreateSubroutineType(Builder: &DIBuilder<'a>,
1452                                                  File: &'a DIFile,
1453                                                  ParameterTypes: &'a DIArray)
1454                                                  -> &'a DICompositeType;
1455
1456     pub fn LLVMRustDIBuilderCreateFunction(Builder: &DIBuilder<'a>,
1457                                            Scope: &'a DIDescriptor,
1458                                            Name: *const c_char,
1459                                            LinkageName: *const c_char,
1460                                            File: &'a DIFile,
1461                                            LineNo: c_uint,
1462                                            Ty: &'a DIType,
1463                                            ScopeLine: c_uint,
1464                                            Flags: DIFlags,
1465                                            SPFlags: DISPFlags,
1466                                            Fn: &'a Value,
1467                                            TParam: &'a DIArray,
1468                                            Decl: Option<&'a DIDescriptor>)
1469                                            -> &'a DISubprogram;
1470
1471     pub fn LLVMRustDIBuilderCreateBasicType(Builder: &DIBuilder<'a>,
1472                                             Name: *const c_char,
1473                                             SizeInBits: u64,
1474                                             AlignInBits: u32,
1475                                             Encoding: c_uint)
1476                                             -> &'a DIBasicType;
1477
1478     pub fn LLVMRustDIBuilderCreatePointerType(Builder: &DIBuilder<'a>,
1479                                               PointeeTy: &'a DIType,
1480                                               SizeInBits: u64,
1481                                               AlignInBits: u32,
1482                                               Name: *const c_char)
1483                                               -> &'a DIDerivedType;
1484
1485     pub fn LLVMRustDIBuilderCreateStructType(Builder: &DIBuilder<'a>,
1486                                              Scope: Option<&'a DIDescriptor>,
1487                                              Name: *const c_char,
1488                                              File: &'a DIFile,
1489                                              LineNumber: c_uint,
1490                                              SizeInBits: u64,
1491                                              AlignInBits: u32,
1492                                              Flags: DIFlags,
1493                                              DerivedFrom: Option<&'a DIType>,
1494                                              Elements: &'a DIArray,
1495                                              RunTimeLang: c_uint,
1496                                              VTableHolder: Option<&'a DIType>,
1497                                              UniqueId: *const c_char)
1498                                              -> &'a DICompositeType;
1499
1500     pub fn LLVMRustDIBuilderCreateMemberType(Builder: &DIBuilder<'a>,
1501                                              Scope: &'a DIDescriptor,
1502                                              Name: *const c_char,
1503                                              File: &'a DIFile,
1504                                              LineNo: c_uint,
1505                                              SizeInBits: u64,
1506                                              AlignInBits: u32,
1507                                              OffsetInBits: u64,
1508                                              Flags: DIFlags,
1509                                              Ty: &'a DIType)
1510                                              -> &'a DIDerivedType;
1511
1512     pub fn LLVMRustDIBuilderCreateVariantMemberType(Builder: &DIBuilder<'a>,
1513                                                     Scope: &'a DIScope,
1514                                                     Name: *const c_char,
1515                                                     File: &'a DIFile,
1516                                                     LineNumber: c_uint,
1517                                                     SizeInBits: u64,
1518                                                     AlignInBits: u32,
1519                                                     OffsetInBits: u64,
1520                                                     Discriminant: Option<&'a Value>,
1521                                                     Flags: DIFlags,
1522                                                     Ty: &'a DIType)
1523                                                     -> &'a DIType;
1524
1525     pub fn LLVMRustDIBuilderCreateLexicalBlock(Builder: &DIBuilder<'a>,
1526                                                Scope: &'a DIScope,
1527                                                File: &'a DIFile,
1528                                                Line: c_uint,
1529                                                Col: c_uint)
1530                                                -> &'a DILexicalBlock;
1531
1532     pub fn LLVMRustDIBuilderCreateLexicalBlockFile(Builder: &DIBuilder<'a>,
1533                                                    Scope: &'a DIScope,
1534                                                    File: &'a DIFile)
1535                                                    -> &'a DILexicalBlock;
1536
1537     pub fn LLVMRustDIBuilderCreateStaticVariable(Builder: &DIBuilder<'a>,
1538                                                  Context: Option<&'a DIScope>,
1539                                                  Name: *const c_char,
1540                                                  LinkageName: *const c_char,
1541                                                  File: &'a DIFile,
1542                                                  LineNo: c_uint,
1543                                                  Ty: &'a DIType,
1544                                                  isLocalToUnit: bool,
1545                                                  Val: &'a Value,
1546                                                  Decl: Option<&'a DIDescriptor>,
1547                                                  AlignInBits: u32)
1548                                                  -> &'a DIGlobalVariableExpression;
1549
1550     pub fn LLVMRustDIBuilderCreateVariable(Builder: &DIBuilder<'a>,
1551                                            Tag: c_uint,
1552                                            Scope: &'a DIDescriptor,
1553                                            Name: *const c_char,
1554                                            File: &'a DIFile,
1555                                            LineNo: c_uint,
1556                                            Ty: &'a DIType,
1557                                            AlwaysPreserve: bool,
1558                                            Flags: DIFlags,
1559                                            ArgNo: c_uint,
1560                                            AlignInBits: u32)
1561                                            -> &'a DIVariable;
1562
1563     pub fn LLVMRustDIBuilderCreateArrayType(Builder: &DIBuilder<'a>,
1564                                             Size: u64,
1565                                             AlignInBits: u32,
1566                                             Ty: &'a DIType,
1567                                             Subscripts: &'a DIArray)
1568                                             -> &'a DIType;
1569
1570     pub fn LLVMRustDIBuilderGetOrCreateSubrange(Builder: &DIBuilder<'a>,
1571                                                 Lo: i64,
1572                                                 Count: i64)
1573                                                 -> &'a DISubrange;
1574
1575     pub fn LLVMRustDIBuilderGetOrCreateArray(Builder: &DIBuilder<'a>,
1576                                              Ptr: *const Option<&'a DIDescriptor>,
1577                                              Count: c_uint)
1578                                              -> &'a DIArray;
1579
1580     pub fn LLVMRustDIBuilderInsertDeclareAtEnd(Builder: &DIBuilder<'a>,
1581                                                Val: &'a Value,
1582                                                VarInfo: &'a DIVariable,
1583                                                AddrOps: *const i64,
1584                                                AddrOpsCount: c_uint,
1585                                                DL: &'a Value,
1586                                                InsertAtEnd: &'a BasicBlock)
1587                                                -> &'a Value;
1588
1589     pub fn LLVMRustDIBuilderCreateEnumerator(Builder: &DIBuilder<'a>,
1590                                              Name: *const c_char,
1591                                              Val: u64)
1592                                              -> &'a DIEnumerator;
1593
1594     pub fn LLVMRustDIBuilderCreateEnumerationType(Builder: &DIBuilder<'a>,
1595                                                   Scope: &'a DIScope,
1596                                                   Name: *const c_char,
1597                                                   File: &'a DIFile,
1598                                                   LineNumber: c_uint,
1599                                                   SizeInBits: u64,
1600                                                   AlignInBits: u32,
1601                                                   Elements: &'a DIArray,
1602                                                   ClassType: &'a DIType,
1603                                                   IsScoped: bool)
1604                                                   -> &'a DIType;
1605
1606     pub fn LLVMRustDIBuilderCreateUnionType(Builder: &DIBuilder<'a>,
1607                                             Scope: &'a DIScope,
1608                                             Name: *const c_char,
1609                                             File: &'a DIFile,
1610                                             LineNumber: c_uint,
1611                                             SizeInBits: u64,
1612                                             AlignInBits: u32,
1613                                             Flags: DIFlags,
1614                                             Elements: Option<&'a DIArray>,
1615                                             RunTimeLang: c_uint,
1616                                             UniqueId: *const c_char)
1617                                             -> &'a DIType;
1618
1619     pub fn LLVMRustDIBuilderCreateVariantPart(Builder: &DIBuilder<'a>,
1620                                               Scope: &'a DIScope,
1621                                               Name: *const c_char,
1622                                               File: &'a DIFile,
1623                                               LineNo: c_uint,
1624                                               SizeInBits: u64,
1625                                               AlignInBits: u32,
1626                                               Flags: DIFlags,
1627                                               Discriminator: Option<&'a DIDerivedType>,
1628                                               Elements: &'a DIArray,
1629                                               UniqueId: *const c_char)
1630                                               -> &'a DIDerivedType;
1631
1632     pub fn LLVMSetUnnamedAddr(GlobalVar: &Value, UnnamedAddr: Bool);
1633
1634     pub fn LLVMRustDIBuilderCreateTemplateTypeParameter(Builder: &DIBuilder<'a>,
1635                                                         Scope: Option<&'a DIScope>,
1636                                                         Name: *const c_char,
1637                                                         Ty: &'a DIType,
1638                                                         File: &'a DIFile,
1639                                                         LineNo: c_uint,
1640                                                         ColumnNo: c_uint)
1641                                                         -> &'a DITemplateTypeParameter;
1642
1643
1644     pub fn LLVMRustDIBuilderCreateNameSpace(Builder: &DIBuilder<'a>,
1645                                             Scope: Option<&'a DIScope>,
1646                                             Name: *const c_char,
1647                                             File: &'a DIFile,
1648                                             LineNo: c_uint)
1649                                             -> &'a DINameSpace;
1650
1651     pub fn LLVMRustDICompositeTypeReplaceArrays(Builder: &DIBuilder<'a>,
1652                                                 CompositeType: &'a DIType,
1653                                                 Elements: Option<&'a DIArray>,
1654                                                 Params: Option<&'a DIArray>);
1655
1656
1657     pub fn LLVMRustDIBuilderCreateDebugLocation(Context: &'a Context,
1658                                                 Line: c_uint,
1659                                                 Column: c_uint,
1660                                                 Scope: &'a DIScope,
1661                                                 InlinedAt: Option<&'a Metadata>)
1662                                                 -> &'a Value;
1663     pub fn LLVMRustDIBuilderCreateOpDeref() -> i64;
1664     pub fn LLVMRustDIBuilderCreateOpPlusUconst() -> i64;
1665
1666     #[allow(improper_ctypes)]
1667     pub fn LLVMRustWriteTypeToString(Type: &Type, s: &RustString);
1668     #[allow(improper_ctypes)]
1669     pub fn LLVMRustWriteValueToString(value_ref: &Value, s: &RustString);
1670
1671     pub fn LLVMIsAConstantInt(value_ref: &Value) -> Option<&ConstantInt>;
1672
1673     pub fn LLVMRustPassKind(Pass: &Pass) -> PassKind;
1674     pub fn LLVMRustFindAndCreatePass(Pass: *const c_char) -> Option<&'static mut Pass>;
1675     pub fn LLVMRustCreateAddressSanitizerFunctionPass(Recover: bool) -> &'static mut Pass;
1676     pub fn LLVMRustCreateModuleAddressSanitizerPass(Recover: bool) -> &'static mut Pass;
1677     pub fn LLVMRustCreateMemorySanitizerPass(TrackOrigins: c_int,
1678                                              Recover: bool) -> &'static mut Pass;
1679     pub fn LLVMRustCreateThreadSanitizerPass() -> &'static mut Pass;
1680     pub fn LLVMRustAddPass(PM: &PassManager<'_>, Pass: &'static mut Pass);
1681     pub fn LLVMRustAddLastExtensionPasses(PMB: &PassManagerBuilder,
1682                                           Passes: *const &'static mut Pass,
1683                                           NumPasses: size_t);
1684
1685     pub fn LLVMRustHasFeature(T: &TargetMachine, s: *const c_char) -> bool;
1686
1687     pub fn LLVMRustPrintTargetCPUs(T: &TargetMachine);
1688     pub fn LLVMRustPrintTargetFeatures(T: &TargetMachine);
1689
1690     pub fn LLVMRustGetHostCPUName(len: *mut usize) -> *const c_char;
1691     pub fn LLVMRustCreateTargetMachine(Triple: *const c_char,
1692                                        CPU: *const c_char,
1693                                        Features: *const c_char,
1694                                        Abi: *const c_char,
1695                                        Model: CodeModel,
1696                                        Reloc: RelocMode,
1697                                        Level: CodeGenOptLevel,
1698                                        UseSoftFP: bool,
1699                                        PositionIndependentExecutable: bool,
1700                                        FunctionSections: bool,
1701                                        DataSections: bool,
1702                                        TrapUnreachable: bool,
1703                                        Singlethread: bool,
1704                                        AsmComments: bool,
1705                                        EmitStackSizeSection: bool,
1706                                        RelaxELFRelocations: bool)
1707                                        -> Option<&'static mut TargetMachine>;
1708     pub fn LLVMRustDisposeTargetMachine(T: &'static mut TargetMachine);
1709     pub fn LLVMRustAddBuilderLibraryInfo(PMB: &'a PassManagerBuilder,
1710                                          M: &'a Module,
1711                                          DisableSimplifyLibCalls: bool);
1712     pub fn LLVMRustConfigurePassManagerBuilder(PMB: &PassManagerBuilder,
1713                                                OptLevel: CodeGenOptLevel,
1714                                                MergeFunctions: bool,
1715                                                SLPVectorize: bool,
1716                                                LoopVectorize: bool,
1717                                                PrepareForThinLTO: bool,
1718                                                PGOGenPath: *const c_char,
1719                                                PGOUsePath: *const c_char);
1720     pub fn LLVMRustAddLibraryInfo(PM: &PassManager<'a>,
1721                                   M: &'a Module,
1722                                   DisableSimplifyLibCalls: bool);
1723     pub fn LLVMRustRunFunctionPassManager(PM: &PassManager<'a>, M: &'a Module);
1724     pub fn LLVMRustWriteOutputFile(T: &'a TargetMachine,
1725                                    PM: &PassManager<'a>,
1726                                    M: &'a Module,
1727                                    Output: *const c_char,
1728                                    FileType: FileType)
1729                                    -> LLVMRustResult;
1730     pub fn LLVMRustPrintModule(M: &'a Module,
1731                                Output: *const c_char,
1732                                Demangle: extern fn(*const c_char,
1733                                                    size_t,
1734                                                    *mut c_char,
1735                                                    size_t) -> size_t,
1736                                ) -> LLVMRustResult;
1737     pub fn LLVMRustSetLLVMOptions(Argc: c_int, Argv: *const *const c_char);
1738     pub fn LLVMRustPrintPasses();
1739     pub fn LLVMRustGetInstructionCount(M: &Module) -> u32;
1740     pub fn LLVMRustSetNormalizedTarget(M: &Module, triple: *const c_char);
1741     pub fn LLVMRustAddAlwaysInlinePass(P: &PassManagerBuilder, AddLifetimes: bool);
1742     pub fn LLVMRustRunRestrictionPass(M: &Module, syms: *const *const c_char, len: size_t);
1743     pub fn LLVMRustMarkAllFunctionsNounwind(M: &Module);
1744
1745     pub fn LLVMRustOpenArchive(path: *const c_char) -> Option<&'static mut Archive>;
1746     pub fn LLVMRustArchiveIteratorNew(AR: &'a Archive) -> &'a mut ArchiveIterator<'a>;
1747     pub fn LLVMRustArchiveIteratorNext(
1748         AIR: &ArchiveIterator<'a>,
1749     ) -> Option<&'a mut ArchiveChild<'a>>;
1750     pub fn LLVMRustArchiveChildName(ACR: &ArchiveChild<'_>, size: &mut size_t) -> *const c_char;
1751     pub fn LLVMRustArchiveChildData(ACR: &ArchiveChild<'_>, size: &mut size_t) -> *const c_char;
1752     pub fn LLVMRustArchiveChildFree(ACR: &'a mut ArchiveChild<'a>);
1753     pub fn LLVMRustArchiveIteratorFree(AIR: &'a mut ArchiveIterator<'a>);
1754     pub fn LLVMRustDestroyArchive(AR: &'static mut Archive);
1755
1756     #[allow(improper_ctypes)]
1757     pub fn LLVMRustGetSectionName(SI: &SectionIterator<'_>,
1758                                   data: &mut Option<std::ptr::NonNull<c_char>>) -> size_t;
1759
1760     #[allow(improper_ctypes)]
1761     pub fn LLVMRustWriteTwineToString(T: &Twine, s: &RustString);
1762
1763     pub fn LLVMContextSetDiagnosticHandler(C: &Context,
1764                                            Handler: DiagnosticHandler,
1765                                            DiagnosticContext: *mut c_void);
1766
1767     #[allow(improper_ctypes)]
1768     pub fn LLVMRustUnpackOptimizationDiagnostic(DI: &'a DiagnosticInfo,
1769                                                 pass_name_out: &RustString,
1770                                                 function_out: &mut Option<&'a Value>,
1771                                                 loc_line_out: &mut c_uint,
1772                                                 loc_column_out: &mut c_uint,
1773                                                 loc_filename_out: &RustString,
1774                                                 message_out: &RustString);
1775
1776     pub fn LLVMRustUnpackInlineAsmDiagnostic(DI: &'a DiagnosticInfo,
1777                                              cookie_out: &mut c_uint,
1778                                              message_out: &mut Option<&'a Twine>,
1779                                              instruction_out: &mut Option<&'a Value>);
1780
1781     #[allow(improper_ctypes)]
1782     pub fn LLVMRustWriteDiagnosticInfoToString(DI: &DiagnosticInfo, s: &RustString);
1783     pub fn LLVMRustGetDiagInfoKind(DI: &DiagnosticInfo) -> DiagnosticKind;
1784
1785     pub fn LLVMRustSetInlineAsmDiagnosticHandler(C: &Context,
1786                                                  H: InlineAsmDiagHandler,
1787                                                  CX: *mut c_void);
1788
1789     #[allow(improper_ctypes)]
1790     pub fn LLVMRustWriteSMDiagnosticToString(d: &SMDiagnostic, s: &RustString);
1791
1792     pub fn LLVMRustWriteArchive(Dst: *const c_char,
1793                                 NumMembers: size_t,
1794                                 Members: *const &RustArchiveMember<'_>,
1795                                 WriteSymbtab: bool,
1796                                 Kind: ArchiveKind)
1797                                 -> LLVMRustResult;
1798     pub fn LLVMRustArchiveMemberNew(Filename: *const c_char,
1799                                     Name: *const c_char,
1800                                     Child: Option<&ArchiveChild<'a>>)
1801                                     -> &'a mut RustArchiveMember<'a>;
1802     pub fn LLVMRustArchiveMemberFree(Member: &'a mut RustArchiveMember<'a>);
1803
1804     pub fn LLVMRustSetDataLayoutFromTargetMachine(M: &'a Module, TM: &'a TargetMachine);
1805
1806     pub fn LLVMRustBuildOperandBundleDef(Name: *const c_char,
1807                                          Inputs: *const &'a Value,
1808                                          NumInputs: c_uint)
1809                                          -> &'a mut OperandBundleDef<'a>;
1810     pub fn LLVMRustFreeOperandBundleDef(Bundle: &'a mut OperandBundleDef<'a>);
1811
1812     pub fn LLVMRustPositionBuilderAtStart(B: &Builder<'a>, BB: &'a BasicBlock);
1813
1814     pub fn LLVMRustSetComdat(M: &'a Module, V: &'a Value, Name: *const c_char);
1815     pub fn LLVMRustUnsetComdat(V: &Value);
1816     pub fn LLVMRustSetModulePICLevel(M: &Module);
1817     pub fn LLVMRustSetModulePIELevel(M: &Module);
1818     pub fn LLVMRustModuleBufferCreate(M: &Module) -> &'static mut ModuleBuffer;
1819     pub fn LLVMRustModuleBufferPtr(p: &ModuleBuffer) -> *const u8;
1820     pub fn LLVMRustModuleBufferLen(p: &ModuleBuffer) -> usize;
1821     pub fn LLVMRustModuleBufferFree(p: &'static mut ModuleBuffer);
1822     pub fn LLVMRustModuleCost(M: &Module) -> u64;
1823
1824     pub fn LLVMRustThinLTOBufferCreate(M: &Module) -> &'static mut ThinLTOBuffer;
1825     pub fn LLVMRustThinLTOBufferFree(M: &'static mut ThinLTOBuffer);
1826     pub fn LLVMRustThinLTOBufferPtr(M: &ThinLTOBuffer) -> *const c_char;
1827     pub fn LLVMRustThinLTOBufferLen(M: &ThinLTOBuffer) -> size_t;
1828     pub fn LLVMRustCreateThinLTOData(
1829         Modules: *const ThinLTOModule,
1830         NumModules: c_uint,
1831         PreservedSymbols: *const *const c_char,
1832         PreservedSymbolsLen: c_uint,
1833     ) -> Option<&'static mut ThinLTOData>;
1834     pub fn LLVMRustPrepareThinLTORename(
1835         Data: &ThinLTOData,
1836         Module: &Module,
1837     ) -> bool;
1838     pub fn LLVMRustPrepareThinLTOResolveWeak(
1839         Data: &ThinLTOData,
1840         Module: &Module,
1841     ) -> bool;
1842     pub fn LLVMRustPrepareThinLTOInternalize(
1843         Data: &ThinLTOData,
1844         Module: &Module,
1845     ) -> bool;
1846     pub fn LLVMRustPrepareThinLTOImport(
1847         Data: &ThinLTOData,
1848         Module: &Module,
1849     ) -> bool;
1850     pub fn LLVMRustGetThinLTOModuleImports(
1851         Data: *const ThinLTOData,
1852         ModuleNameCallback: ThinLTOModuleNameCallback,
1853         CallbackPayload: *mut c_void,
1854     );
1855     pub fn LLVMRustFreeThinLTOData(Data: &'static mut ThinLTOData);
1856     pub fn LLVMRustParseBitcodeForLTO(
1857         Context: &Context,
1858         Data: *const u8,
1859         len: usize,
1860         Identifier: *const c_char,
1861     ) -> Option<&Module>;
1862     pub fn LLVMRustThinLTOGetDICompileUnit(M: &Module,
1863                                            CU1: &mut *mut c_void,
1864                                            CU2: &mut *mut c_void);
1865     pub fn LLVMRustThinLTOPatchDICompileUnit(M: &Module, CU: *mut c_void);
1866
1867     pub fn LLVMRustLinkerNew(M: &'a Module) -> &'a mut Linker<'a>;
1868     pub fn LLVMRustLinkerAdd(linker: &Linker<'_>,
1869                              bytecode: *const c_char,
1870                              bytecode_len: usize) -> bool;
1871     pub fn LLVMRustLinkerFree(linker: &'a mut Linker<'a>);
1872 }