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      1 (*===-- llvm/llvm.ml - LLVM OCaml Interface -------------------------------===*
      2  *
      3  *                     The LLVM Compiler Infrastructure
      4  *
      5  * This file is distributed under the University of Illinois Open Source
      6  * License. See LICENSE.TXT for details.
      7  *
      8  *===----------------------------------------------------------------------===*)
      9 
     10 
     11 type llcontext
     12 type llmodule
     13 type lltype
     14 type llvalue
     15 type lluse
     16 type llbasicblock
     17 type llbuilder
     18 type llmemorybuffer
     19 type llmdkind
     20 
     21 module TypeKind = struct
     22   type t =
     23   | Void
     24   | Half
     25   | Float
     26   | Double
     27   | X86fp80
     28   | Fp128
     29   | Ppc_fp128
     30   | Label
     31   | Integer
     32   | Function
     33   | Struct
     34   | Array
     35   | Pointer
     36   | Vector
     37   | Metadata
     38   | X86_mmx
     39 end
     40 
     41 module Linkage = struct
     42   type t =
     43   | External
     44   | Available_externally
     45   | Link_once
     46   | Link_once_odr
     47   | Link_once_odr_auto_hide
     48   | Weak
     49   | Weak_odr
     50   | Appending
     51   | Internal
     52   | Private
     53   | Dllimport
     54   | Dllexport
     55   | External_weak
     56   | Ghost
     57   | Common
     58   | Linker_private
     59   | Linker_private_weak
     60 end
     61 
     62 module Visibility = struct
     63   type t =
     64   | Default
     65   | Hidden
     66   | Protected
     67 end
     68 
     69 module DLLStorageClass = struct
     70   type t =
     71   | Default
     72   | DLLImport
     73   | DLLExport
     74 end
     75 
     76 module CallConv = struct
     77   let c = 0
     78   let fast = 8
     79   let cold = 9
     80   let x86_stdcall = 64
     81   let x86_fastcall = 65
     82 end
     83 
     84 module Attribute = struct
     85   type t =
     86   | Zext
     87   | Sext
     88   | Noreturn
     89   | Inreg
     90   | Structret
     91   | Nounwind
     92   | Noalias
     93   | Byval
     94   | Nest
     95   | Readnone
     96   | Readonly
     97   | Noinline
     98   | Alwaysinline
     99   | Optsize
    100   | Ssp
    101   | Sspreq
    102   | Alignment of int
    103   | Nocapture
    104   | Noredzone
    105   | Noimplicitfloat
    106   | Naked
    107   | Inlinehint
    108   | Stackalignment of int
    109   | ReturnsTwice
    110   | UWTable
    111   | NonLazyBind
    112 end
    113 
    114 module Icmp = struct
    115   type t =
    116   | Eq
    117   | Ne
    118   | Ugt
    119   | Uge
    120   | Ult
    121   | Ule
    122   | Sgt
    123   | Sge
    124   | Slt
    125   | Sle
    126 end
    127 
    128 module Fcmp = struct
    129   type t =
    130   | False
    131   | Oeq
    132   | Ogt
    133   | Oge
    134   | Olt
    135   | Ole
    136   | One
    137   | Ord
    138   | Uno
    139   | Ueq
    140   | Ugt
    141   | Uge
    142   | Ult
    143   | Ule
    144   | Une
    145   | True
    146 end
    147 
    148 module Opcode  = struct
    149   type t =
    150   | Invalid (* not an instruction *)
    151   (* Terminator Instructions *)
    152   | Ret
    153   | Br
    154   | Switch
    155   | IndirectBr
    156   | Invoke
    157   | Invalid2
    158   | Unreachable
    159   (* Standard Binary Operators *)
    160   | Add
    161   | FAdd
    162   | Sub
    163   | FSub
    164   | Mul
    165   | FMul
    166   | UDiv
    167   | SDiv
    168   | FDiv
    169   | URem
    170   | SRem
    171   | FRem
    172   (* Logical Operators *)
    173   | Shl
    174   | LShr
    175   | AShr
    176   | And
    177   | Or
    178   | Xor
    179   (* Memory Operators *)
    180   | Alloca
    181   | Load
    182   | Store
    183   | GetElementPtr
    184   (* Cast Operators *)
    185   | Trunc
    186   | ZExt
    187   | SExt
    188   | FPToUI
    189   | FPToSI
    190   | UIToFP
    191   | SIToFP
    192   | FPTrunc
    193   | FPExt
    194   | PtrToInt
    195   | IntToPtr
    196   | BitCast
    197   (* Other Operators *)
    198   | ICmp
    199   | FCmp
    200   | PHI
    201   | Call
    202   | Select
    203   | UserOp1
    204   | UserOp2
    205   | VAArg
    206   | ExtractElement
    207   | InsertElement
    208   | ShuffleVector
    209   | ExtractValue
    210   | InsertValue
    211   | Fence
    212   | AtomicCmpXchg
    213   | AtomicRMW
    214   | Resume
    215   | LandingPad
    216 end
    217 
    218 module LandingPadClauseTy = struct
    219   type t =
    220   | Catch
    221   | Filter
    222 end
    223 
    224 module ThreadLocalMode = struct
    225   type t =
    226   | None
    227   | GeneralDynamic
    228   | LocalDynamic
    229   | InitialExec
    230   | LocalExec
    231 end
    232 
    233 module AtomicOrdering = struct
    234   type t =
    235   | NotAtomic
    236   | Unordered
    237   | Monotonic
    238   | Invalid
    239   | Acquire
    240   | Release
    241   | AcqiureRelease
    242   | SequentiallyConsistent
    243 end
    244 
    245 module AtomicRMWBinOp = struct
    246   type t =
    247   | Xchg
    248   | Add
    249   | Sub
    250   | And
    251   | Nand
    252   | Or
    253   | Xor
    254   | Max
    255   | Min
    256   | UMax
    257   | UMin
    258 end
    259 
    260 module ValueKind = struct
    261   type t =
    262   | NullValue
    263   | Argument
    264   | BasicBlock
    265   | InlineAsm
    266   | MDNode
    267   | MDString
    268   | BlockAddress
    269   | ConstantAggregateZero
    270   | ConstantArray
    271   | ConstantDataArray
    272   | ConstantDataVector
    273   | ConstantExpr
    274   | ConstantFP
    275   | ConstantInt
    276   | ConstantPointerNull
    277   | ConstantStruct
    278   | ConstantVector
    279   | Function
    280   | GlobalAlias
    281   | GlobalVariable
    282   | UndefValue
    283   | Instruction of Opcode.t
    284 end
    285 
    286 exception IoError of string
    287 
    288 let () = Callback.register_exception "Llvm.IoError" (IoError "")
    289 
    290 external install_fatal_error_handler : (string -> unit) -> unit
    291                                      = "llvm_install_fatal_error_handler"
    292 external reset_fatal_error_handler : unit -> unit
    293                                    = "llvm_reset_fatal_error_handler"
    294 external enable_pretty_stacktrace : unit -> unit
    295                                   = "llvm_enable_pretty_stacktrace"
    296 external parse_command_line_options : ?overview:string -> string array -> unit
    297                                     = "llvm_parse_command_line_options"
    298 
    299 type ('a, 'b) llpos =
    300 | At_end of 'a
    301 | Before of 'b
    302 
    303 type ('a, 'b) llrev_pos =
    304 | At_start of 'a
    305 | After of 'b
    306 
    307 (*===-- Contexts ----------------------------------------------------------===*)
    308 external create_context : unit -> llcontext = "llvm_create_context"
    309 external dispose_context : llcontext -> unit = "llvm_dispose_context"
    310 external global_context : unit -> llcontext = "llvm_global_context"
    311 external mdkind_id : llcontext -> string -> llmdkind = "llvm_mdkind_id"
    312 
    313 (*===-- Modules -----------------------------------------------------------===*)
    314 external create_module : llcontext -> string -> llmodule = "llvm_create_module"
    315 external dispose_module : llmodule -> unit = "llvm_dispose_module"
    316 external target_triple: llmodule -> string
    317                       = "llvm_target_triple"
    318 external set_target_triple: string -> llmodule -> unit
    319                           = "llvm_set_target_triple"
    320 external data_layout: llmodule -> string
    321                     = "llvm_data_layout"
    322 external set_data_layout: string -> llmodule -> unit
    323                         = "llvm_set_data_layout"
    324 external dump_module : llmodule -> unit = "llvm_dump_module"
    325 external print_module : string -> llmodule -> unit = "llvm_print_module"
    326 external string_of_llmodule : llmodule -> string = "llvm_string_of_llmodule"
    327 external set_module_inline_asm : llmodule -> string -> unit
    328                                = "llvm_set_module_inline_asm"
    329 external module_context : llmodule -> llcontext = "LLVMGetModuleContext"
    330 
    331 (*===-- Types -------------------------------------------------------------===*)
    332 external classify_type : lltype -> TypeKind.t = "llvm_classify_type"
    333 external type_context : lltype -> llcontext = "llvm_type_context"
    334 external type_is_sized : lltype -> bool = "llvm_type_is_sized"
    335 external dump_type : lltype -> unit = "llvm_dump_type"
    336 external string_of_lltype : lltype -> string = "llvm_string_of_lltype"
    337 
    338 (*--... Operations on integer types ........................................--*)
    339 external i1_type : llcontext -> lltype = "llvm_i1_type"
    340 external i8_type : llcontext -> lltype = "llvm_i8_type"
    341 external i16_type : llcontext -> lltype = "llvm_i16_type"
    342 external i32_type : llcontext -> lltype = "llvm_i32_type"
    343 external i64_type : llcontext -> lltype = "llvm_i64_type"
    344 
    345 external integer_type : llcontext -> int -> lltype = "llvm_integer_type"
    346 external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"
    347 
    348 (*--... Operations on real types ...........................................--*)
    349 external float_type : llcontext -> lltype = "llvm_float_type"
    350 external double_type : llcontext -> lltype = "llvm_double_type"
    351 external x86fp80_type : llcontext -> lltype = "llvm_x86fp80_type"
    352 external fp128_type : llcontext -> lltype = "llvm_fp128_type"
    353 external ppc_fp128_type : llcontext -> lltype = "llvm_ppc_fp128_type"
    354 
    355 (*--... Operations on function types .......................................--*)
    356 external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
    357 external var_arg_function_type : lltype -> lltype array -> lltype
    358                                = "llvm_var_arg_function_type"
    359 external is_var_arg : lltype -> bool = "llvm_is_var_arg"
    360 external return_type : lltype -> lltype = "LLVMGetReturnType"
    361 external param_types : lltype -> lltype array = "llvm_param_types"
    362 
    363 (*--... Operations on struct types .........................................--*)
    364 external struct_type : llcontext -> lltype array -> lltype = "llvm_struct_type"
    365 external packed_struct_type : llcontext -> lltype array -> lltype
    366                             = "llvm_packed_struct_type"
    367 external struct_name : lltype -> string option = "llvm_struct_name"
    368 external named_struct_type : llcontext -> string -> lltype =
    369     "llvm_named_struct_type"
    370 external struct_set_body : lltype -> lltype array -> bool -> unit =
    371     "llvm_struct_set_body"
    372 external struct_element_types : lltype -> lltype array
    373                               = "llvm_struct_element_types"
    374 external is_packed : lltype -> bool = "llvm_is_packed"
    375 external is_opaque : lltype -> bool = "llvm_is_opaque"
    376 
    377 (*--... Operations on pointer, vector, and array types .....................--*)
    378 external array_type : lltype -> int -> lltype = "llvm_array_type"
    379 external pointer_type : lltype -> lltype = "llvm_pointer_type"
    380 external qualified_pointer_type : lltype -> int -> lltype
    381                                 = "llvm_qualified_pointer_type"
    382 external vector_type : lltype -> int -> lltype = "llvm_vector_type"
    383 
    384 external element_type : lltype -> lltype = "LLVMGetElementType"
    385 external array_length : lltype -> int = "llvm_array_length"
    386 external address_space : lltype -> int = "llvm_address_space"
    387 external vector_size : lltype -> int = "llvm_vector_size"
    388 
    389 (*--... Operations on other types ..........................................--*)
    390 external void_type : llcontext -> lltype = "llvm_void_type"
    391 external label_type : llcontext -> lltype = "llvm_label_type"
    392 external x86_mmx_type : llcontext -> lltype = "llvm_x86_mmx_type"
    393 external type_by_name : llmodule -> string -> lltype option = "llvm_type_by_name"
    394 
    395 external classify_value : llvalue -> ValueKind.t = "llvm_classify_value"
    396 (*===-- Values ------------------------------------------------------------===*)
    397 external type_of : llvalue -> lltype = "llvm_type_of"
    398 external value_name : llvalue -> string = "llvm_value_name"
    399 external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
    400 external dump_value : llvalue -> unit = "llvm_dump_value"
    401 external string_of_llvalue : llvalue -> string = "llvm_string_of_llvalue"
    402 external replace_all_uses_with : llvalue -> llvalue -> unit
    403                                = "llvm_replace_all_uses_with"
    404 
    405 (*--... Operations on uses .................................................--*)
    406 external use_begin : llvalue -> lluse option = "llvm_use_begin"
    407 external use_succ : lluse -> lluse option = "llvm_use_succ"
    408 external user : lluse -> llvalue = "llvm_user"
    409 external used_value : lluse -> llvalue = "llvm_used_value"
    410 
    411 let iter_uses f v =
    412   let rec aux = function
    413     | None -> ()
    414     | Some u ->
    415         f u;
    416         aux (use_succ u)
    417   in
    418   aux (use_begin v)
    419 
    420 let fold_left_uses f init v =
    421   let rec aux init u =
    422     match u with
    423     | None -> init
    424     | Some u -> aux (f init u) (use_succ u)
    425   in
    426   aux init (use_begin v)
    427 
    428 let fold_right_uses f v init =
    429   let rec aux u init =
    430     match u with
    431     | None -> init
    432     | Some u -> f u (aux (use_succ u) init)
    433   in
    434   aux (use_begin v) init
    435 
    436 
    437 (*--... Operations on users ................................................--*)
    438 external operand : llvalue -> int -> llvalue = "llvm_operand"
    439 external operand_use : llvalue -> int -> lluse = "llvm_operand_use"
    440 external set_operand : llvalue -> int -> llvalue -> unit = "llvm_set_operand"
    441 external num_operands : llvalue -> int = "llvm_num_operands"
    442 
    443 (*--... Operations on constants of (mostly) any type .......................--*)
    444 external is_constant : llvalue -> bool = "llvm_is_constant"
    445 external const_null : lltype -> llvalue = "LLVMConstNull"
    446 external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
    447 external const_pointer_null : lltype -> llvalue = "LLVMConstPointerNull"
    448 external undef : lltype -> llvalue = "LLVMGetUndef"
    449 external is_null : llvalue -> bool = "llvm_is_null"
    450 external is_undef : llvalue -> bool = "llvm_is_undef"
    451 external constexpr_opcode : llvalue -> Opcode.t = "llvm_constexpr_get_opcode"
    452 
    453 (*--... Operations on instructions .........................................--*)
    454 external has_metadata : llvalue -> bool = "llvm_has_metadata"
    455 external metadata : llvalue -> llmdkind -> llvalue option = "llvm_metadata"
    456 external set_metadata : llvalue -> llmdkind -> llvalue -> unit = "llvm_set_metadata"
    457 external clear_metadata : llvalue -> llmdkind -> unit = "llvm_clear_metadata"
    458 
    459 (*--... Operations on metadata .......,.....................................--*)
    460 external mdstring : llcontext -> string -> llvalue = "llvm_mdstring"
    461 external mdnode : llcontext -> llvalue array -> llvalue = "llvm_mdnode"
    462 external mdnull : llcontext -> llvalue = "llvm_mdnull"
    463 external get_mdstring : llvalue -> string option = "llvm_get_mdstring"
    464 external get_named_metadata : llmodule -> string -> llvalue array
    465                             = "llvm_get_namedmd"
    466 external add_named_metadata_operand : llmodule -> string -> llvalue -> unit
    467                                     = "llvm_append_namedmd"
    468 
    469 (*--... Operations on scalar constants .....................................--*)
    470 external const_int : lltype -> int -> llvalue = "llvm_const_int"
    471 external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
    472                         = "llvm_const_of_int64"
    473 external int64_of_const : llvalue -> Int64.t option
    474                         = "llvm_int64_of_const"
    475 external const_int_of_string : lltype -> string -> int -> llvalue
    476                              = "llvm_const_int_of_string"
    477 external const_float : lltype -> float -> llvalue = "llvm_const_float"
    478 external float_of_const : llvalue -> float option
    479                         = "llvm_float_of_const"
    480 external const_float_of_string : lltype -> string -> llvalue
    481                                = "llvm_const_float_of_string"
    482 
    483 (*--... Operations on composite constants ..................................--*)
    484 external const_string : llcontext -> string -> llvalue = "llvm_const_string"
    485 external const_stringz : llcontext -> string -> llvalue = "llvm_const_stringz"
    486 external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
    487 external const_struct : llcontext -> llvalue array -> llvalue
    488                       = "llvm_const_struct"
    489 external const_named_struct : lltype -> llvalue array -> llvalue
    490                       = "llvm_const_named_struct"
    491 external const_packed_struct : llcontext -> llvalue array -> llvalue
    492                              = "llvm_const_packed_struct"
    493 external const_vector : llvalue array -> llvalue = "llvm_const_vector"
    494 external string_of_const : llvalue -> string option = "llvm_string_of_const"
    495 external const_element : llvalue -> int -> llvalue = "llvm_const_element"
    496 
    497 (*--... Constant expressions ...............................................--*)
    498 external align_of : lltype -> llvalue = "LLVMAlignOf"
    499 external size_of : lltype -> llvalue = "LLVMSizeOf"
    500 external const_neg : llvalue -> llvalue = "LLVMConstNeg"
    501 external const_nsw_neg : llvalue -> llvalue = "LLVMConstNSWNeg"
    502 external const_nuw_neg : llvalue -> llvalue = "LLVMConstNUWNeg"
    503 external const_fneg : llvalue -> llvalue = "LLVMConstFNeg"
    504 external const_not : llvalue -> llvalue = "LLVMConstNot"
    505 external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
    506 external const_nsw_add : llvalue -> llvalue -> llvalue = "LLVMConstNSWAdd"
    507 external const_nuw_add : llvalue -> llvalue -> llvalue = "LLVMConstNUWAdd"
    508 external const_fadd : llvalue -> llvalue -> llvalue = "LLVMConstFAdd"
    509 external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
    510 external const_nsw_sub : llvalue -> llvalue -> llvalue = "LLVMConstNSWSub"
    511 external const_nuw_sub : llvalue -> llvalue -> llvalue = "LLVMConstNUWSub"
    512 external const_fsub : llvalue -> llvalue -> llvalue = "LLVMConstFSub"
    513 external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
    514 external const_nsw_mul : llvalue -> llvalue -> llvalue = "LLVMConstNSWMul"
    515 external const_nuw_mul : llvalue -> llvalue -> llvalue = "LLVMConstNUWMul"
    516 external const_fmul : llvalue -> llvalue -> llvalue = "LLVMConstFMul"
    517 external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
    518 external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
    519 external const_exact_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstExactSDiv"
    520 external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
    521 external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
    522 external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
    523 external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
    524 external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
    525 external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
    526 external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
    527 external const_icmp : Icmp.t -> llvalue -> llvalue -> llvalue
    528                     = "llvm_const_icmp"
    529 external const_fcmp : Fcmp.t -> llvalue -> llvalue -> llvalue
    530                     = "llvm_const_fcmp"
    531 external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
    532 external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
    533 external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
    534 external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
    535 external const_in_bounds_gep : llvalue -> llvalue array -> llvalue
    536                             = "llvm_const_in_bounds_gep"
    537 external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
    538 external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
    539 external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
    540 external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
    541 external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
    542 external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
    543 external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
    544 external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
    545 external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
    546 external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
    547 external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
    548 external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
    549 external const_zext_or_bitcast : llvalue -> lltype -> llvalue
    550                              = "LLVMConstZExtOrBitCast"
    551 external const_sext_or_bitcast : llvalue -> lltype -> llvalue
    552                              = "LLVMConstSExtOrBitCast"
    553 external const_trunc_or_bitcast : llvalue -> lltype -> llvalue
    554                               = "LLVMConstTruncOrBitCast"
    555 external const_pointercast : llvalue -> lltype -> llvalue
    556                            = "LLVMConstPointerCast"
    557 external const_intcast : llvalue -> lltype -> is_signed:bool -> llvalue
    558                        = "llvm_const_intcast"
    559 external const_fpcast : llvalue -> lltype -> llvalue = "LLVMConstFPCast"
    560 external const_select : llvalue -> llvalue -> llvalue -> llvalue
    561                       = "LLVMConstSelect"
    562 external const_extractelement : llvalue -> llvalue -> llvalue
    563                               = "LLVMConstExtractElement"
    564 external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
    565                              = "LLVMConstInsertElement"
    566 external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
    567                              = "LLVMConstShuffleVector"
    568 external const_extractvalue : llvalue -> int array -> llvalue
    569                             = "llvm_const_extractvalue"
    570 external const_insertvalue : llvalue -> llvalue -> int array -> llvalue
    571                            = "llvm_const_insertvalue"
    572 external const_inline_asm : lltype -> string -> string -> bool -> bool ->
    573                             llvalue
    574                           = "llvm_const_inline_asm"
    575 external block_address : llvalue -> llbasicblock -> llvalue = "LLVMBlockAddress"
    576 
    577 (*--... Operations on global variables, functions, and aliases (globals) ...--*)
    578 external global_parent : llvalue -> llmodule = "LLVMGetGlobalParent"
    579 external is_declaration : llvalue -> bool = "llvm_is_declaration"
    580 external linkage : llvalue -> Linkage.t = "llvm_linkage"
    581 external set_linkage : Linkage.t -> llvalue -> unit = "llvm_set_linkage"
    582 external section : llvalue -> string = "llvm_section"
    583 external set_section : string -> llvalue -> unit = "llvm_set_section"
    584 external visibility : llvalue -> Visibility.t = "llvm_visibility"
    585 external set_visibility : Visibility.t -> llvalue -> unit = "llvm_set_visibility"
    586 external dll_storage_class : llvalue -> DLLStorageClass.t = "llvm_dll_storage_class"
    587 external set_dll_storage_class : DLLStorageClass.t -> llvalue -> unit = "llvm_set_dll_storage_class"
    588 external alignment : llvalue -> int = "llvm_alignment"
    589 external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
    590 external is_global_constant : llvalue -> bool = "llvm_is_global_constant"
    591 external set_global_constant : bool -> llvalue -> unit
    592                              = "llvm_set_global_constant"
    593 
    594 (*--... Operations on global variables .....................................--*)
    595 external declare_global : lltype -> string -> llmodule -> llvalue
    596                         = "llvm_declare_global"
    597 external declare_qualified_global : lltype -> string -> int -> llmodule ->
    598                                     llvalue
    599                                   = "llvm_declare_qualified_global"
    600 external define_global : string -> llvalue -> llmodule -> llvalue
    601                        = "llvm_define_global"
    602 external define_qualified_global : string -> llvalue -> int -> llmodule ->
    603                                    llvalue
    604                                  = "llvm_define_qualified_global"
    605 external lookup_global : string -> llmodule -> llvalue option
    606                        = "llvm_lookup_global"
    607 external delete_global : llvalue -> unit = "llvm_delete_global"
    608 external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
    609 external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
    610 external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
    611 external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
    612 external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
    613 external thread_local_mode : llvalue -> ThreadLocalMode.t
    614                            = "llvm_thread_local_mode"
    615 external set_thread_local_mode : ThreadLocalMode.t -> llvalue -> unit
    616                                = "llvm_set_thread_local_mode"
    617 external is_externally_initialized : llvalue -> bool
    618                                    = "llvm_is_externally_initialized"
    619 external set_externally_initialized : bool -> llvalue -> unit
    620                                     = "llvm_set_externally_initialized"
    621 external global_begin : llmodule -> (llmodule, llvalue) llpos
    622                       = "llvm_global_begin"
    623 external global_succ : llvalue -> (llmodule, llvalue) llpos
    624                      = "llvm_global_succ"
    625 external global_end : llmodule -> (llmodule, llvalue) llrev_pos
    626                     = "llvm_global_end"
    627 external global_pred : llvalue -> (llmodule, llvalue) llrev_pos
    628                      = "llvm_global_pred"
    629 
    630 let rec iter_global_range f i e =
    631   if i = e then () else
    632   match i with
    633   | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
    634   | Before bb ->
    635       f bb;
    636       iter_global_range f (global_succ bb) e
    637 
    638 let iter_globals f m =
    639   iter_global_range f (global_begin m) (At_end m)
    640 
    641 let rec fold_left_global_range f init i e =
    642   if i = e then init else
    643   match i with
    644   | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
    645   | Before bb -> fold_left_global_range f (f init bb) (global_succ bb) e
    646 
    647 let fold_left_globals f init m =
    648   fold_left_global_range f init (global_begin m) (At_end m)
    649 
    650 let rec rev_iter_global_range f i e =
    651   if i = e then () else
    652   match i with
    653   | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
    654   | After bb ->
    655       f bb;
    656       rev_iter_global_range f (global_pred bb) e
    657 
    658 let rev_iter_globals f m =
    659   rev_iter_global_range f (global_end m) (At_start m)
    660 
    661 let rec fold_right_global_range f i e init =
    662   if i = e then init else
    663   match i with
    664   | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
    665   | After bb -> fold_right_global_range f (global_pred bb) e (f bb init)
    666 
    667 let fold_right_globals f m init =
    668   fold_right_global_range f (global_end m) (At_start m) init
    669 
    670 (*--... Operations on aliases ..............................................--*)
    671 external add_alias : llmodule -> lltype -> llvalue -> string -> llvalue
    672                    = "llvm_add_alias"
    673 
    674 (*--... Operations on functions ............................................--*)
    675 external declare_function : string -> lltype -> llmodule -> llvalue
    676                           = "llvm_declare_function"
    677 external define_function : string -> lltype -> llmodule -> llvalue
    678                          = "llvm_define_function"
    679 external lookup_function : string -> llmodule -> llvalue option
    680                          = "llvm_lookup_function"
    681 external delete_function : llvalue -> unit = "llvm_delete_function"
    682 external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
    683 external function_call_conv : llvalue -> int = "llvm_function_call_conv"
    684 external set_function_call_conv : int -> llvalue -> unit
    685                                 = "llvm_set_function_call_conv"
    686 external gc : llvalue -> string option = "llvm_gc"
    687 external set_gc : string option -> llvalue -> unit = "llvm_set_gc"
    688 external function_begin : llmodule -> (llmodule, llvalue) llpos
    689                         = "llvm_function_begin"
    690 external function_succ : llvalue -> (llmodule, llvalue) llpos
    691                        = "llvm_function_succ"
    692 external function_end : llmodule -> (llmodule, llvalue) llrev_pos
    693                       = "llvm_function_end"
    694 external function_pred : llvalue -> (llmodule, llvalue) llrev_pos
    695                        = "llvm_function_pred"
    696 
    697 let rec iter_function_range f i e =
    698   if i = e then () else
    699   match i with
    700   | At_end _ -> raise (Invalid_argument "Invalid function range.")
    701   | Before fn ->
    702       f fn;
    703       iter_function_range f (function_succ fn) e
    704 
    705 let iter_functions f m =
    706   iter_function_range f (function_begin m) (At_end m)
    707 
    708 let rec fold_left_function_range f init i e =
    709   if i = e then init else
    710   match i with
    711   | At_end _ -> raise (Invalid_argument "Invalid function range.")
    712   | Before fn -> fold_left_function_range f (f init fn) (function_succ fn) e
    713 
    714 let fold_left_functions f init m =
    715   fold_left_function_range f init (function_begin m) (At_end m)
    716 
    717 let rec rev_iter_function_range f i e =
    718   if i = e then () else
    719   match i with
    720   | At_start _ -> raise (Invalid_argument "Invalid function range.")
    721   | After fn ->
    722       f fn;
    723       rev_iter_function_range f (function_pred fn) e
    724 
    725 let rev_iter_functions f m =
    726   rev_iter_function_range f (function_end m) (At_start m)
    727 
    728 let rec fold_right_function_range f i e init =
    729   if i = e then init else
    730   match i with
    731   | At_start _ -> raise (Invalid_argument "Invalid function range.")
    732   | After fn -> fold_right_function_range f (function_pred fn) e (f fn init)
    733 
    734 let fold_right_functions f m init =
    735   fold_right_function_range f (function_end m) (At_start m) init
    736 
    737 external llvm_add_function_attr : llvalue -> int32 -> unit
    738                                 = "llvm_add_function_attr"
    739 external llvm_remove_function_attr : llvalue -> int32 -> unit
    740                                    = "llvm_remove_function_attr"
    741 external llvm_function_attr : llvalue -> int32 = "llvm_function_attr"
    742 
    743 let pack_attr (attr:Attribute.t) : int32 =
    744   match attr with
    745   Attribute.Zext                  -> Int32.shift_left 1l 0
    746     | Attribute.Sext              -> Int32.shift_left 1l 1
    747     | Attribute.Noreturn          -> Int32.shift_left 1l 2
    748     | Attribute.Inreg             -> Int32.shift_left 1l 3
    749     | Attribute.Structret         -> Int32.shift_left 1l 4
    750     | Attribute.Nounwind          -> Int32.shift_left 1l 5
    751     | Attribute.Noalias           -> Int32.shift_left 1l 6
    752     | Attribute.Byval             -> Int32.shift_left 1l 7
    753     | Attribute.Nest              -> Int32.shift_left 1l 8
    754     | Attribute.Readnone          -> Int32.shift_left 1l 9
    755     | Attribute.Readonly          -> Int32.shift_left 1l 10
    756     | Attribute.Noinline          -> Int32.shift_left 1l 11
    757     | Attribute.Alwaysinline      -> Int32.shift_left 1l 12
    758     | Attribute.Optsize           -> Int32.shift_left 1l 13
    759     | Attribute.Ssp               -> Int32.shift_left 1l 14
    760     | Attribute.Sspreq            -> Int32.shift_left 1l 15
    761     | Attribute.Alignment n       -> Int32.shift_left (Int32.of_int n) 16
    762     | Attribute.Nocapture         -> Int32.shift_left 1l 21
    763     | Attribute.Noredzone         -> Int32.shift_left 1l 22
    764     | Attribute.Noimplicitfloat   -> Int32.shift_left 1l 23
    765     | Attribute.Naked             -> Int32.shift_left 1l 24
    766     | Attribute.Inlinehint        -> Int32.shift_left 1l 25
    767     | Attribute.Stackalignment n  -> Int32.shift_left (Int32.of_int n) 26
    768     | Attribute.ReturnsTwice      -> Int32.shift_left 1l 29
    769     | Attribute.UWTable           -> Int32.shift_left 1l 30
    770     | Attribute.NonLazyBind       -> Int32.shift_left 1l 31
    771 
    772 let unpack_attr (a : int32) : Attribute.t list =
    773   let l = ref [] in
    774   let check attr =
    775       Int32.logand (pack_attr attr) a in
    776   let checkattr attr =
    777       if (check attr) <> 0l then begin
    778           l := attr :: !l
    779       end
    780   in
    781   checkattr Attribute.Zext;
    782   checkattr Attribute.Sext;
    783   checkattr Attribute.Noreturn;
    784   checkattr Attribute.Inreg;
    785   checkattr Attribute.Structret;
    786   checkattr Attribute.Nounwind;
    787   checkattr Attribute.Noalias;
    788   checkattr Attribute.Byval;
    789   checkattr Attribute.Nest;
    790   checkattr Attribute.Readnone;
    791   checkattr Attribute.Readonly;
    792   checkattr Attribute.Noinline;
    793   checkattr Attribute.Alwaysinline;
    794   checkattr Attribute.Optsize;
    795   checkattr Attribute.Ssp;
    796   checkattr Attribute.Sspreq;
    797   let align = Int32.logand (Int32.shift_right_logical a 16) 31l in
    798   if align <> 0l then
    799       l := Attribute.Alignment (Int32.to_int align) :: !l;
    800   checkattr Attribute.Nocapture;
    801   checkattr Attribute.Noredzone;
    802   checkattr Attribute.Noimplicitfloat;
    803   checkattr Attribute.Naked;
    804   checkattr Attribute.Inlinehint;
    805   let stackalign = Int32.logand (Int32.shift_right_logical a 26) 7l in
    806   if stackalign <> 0l then
    807       l := Attribute.Stackalignment (Int32.to_int stackalign) :: !l;
    808   checkattr Attribute.ReturnsTwice;
    809   checkattr Attribute.UWTable;
    810   checkattr Attribute.NonLazyBind;
    811   !l;;
    812 
    813 let add_function_attr llval attr =
    814   llvm_add_function_attr llval (pack_attr attr)
    815 
    816 external add_target_dependent_function_attr
    817     : llvalue -> string -> string -> unit
    818     = "llvm_add_target_dependent_function_attr"
    819 
    820 let remove_function_attr llval attr =
    821   llvm_remove_function_attr llval (pack_attr attr)
    822 
    823 let function_attr f = unpack_attr (llvm_function_attr f)
    824 
    825 (*--... Operations on params ...............................................--*)
    826 external params : llvalue -> llvalue array = "llvm_params"
    827 external param : llvalue -> int -> llvalue = "llvm_param"
    828 external llvm_param_attr : llvalue -> int32 = "llvm_param_attr"
    829 let param_attr p = unpack_attr (llvm_param_attr p)
    830 external param_parent : llvalue -> llvalue = "LLVMGetParamParent"
    831 external param_begin : llvalue -> (llvalue, llvalue) llpos = "llvm_param_begin"
    832 external param_succ : llvalue -> (llvalue, llvalue) llpos = "llvm_param_succ"
    833 external param_end : llvalue -> (llvalue, llvalue) llrev_pos = "llvm_param_end"
    834 external param_pred : llvalue -> (llvalue, llvalue) llrev_pos ="llvm_param_pred"
    835 
    836 let rec iter_param_range f i e =
    837   if i = e then () else
    838   match i with
    839   | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
    840   | Before p ->
    841       f p;
    842       iter_param_range f (param_succ p) e
    843 
    844 let iter_params f fn =
    845   iter_param_range f (param_begin fn) (At_end fn)
    846 
    847 let rec fold_left_param_range f init i e =
    848   if i = e then init else
    849   match i with
    850   | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
    851   | Before p -> fold_left_param_range f (f init p) (param_succ p) e
    852 
    853 let fold_left_params f init fn =
    854   fold_left_param_range f init (param_begin fn) (At_end fn)
    855 
    856 let rec rev_iter_param_range f i e =
    857   if i = e then () else
    858   match i with
    859   | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
    860   | After p ->
    861       f p;
    862       rev_iter_param_range f (param_pred p) e
    863 
    864 let rev_iter_params f fn =
    865   rev_iter_param_range f (param_end fn) (At_start fn)
    866 
    867 let rec fold_right_param_range f init i e =
    868   if i = e then init else
    869   match i with
    870   | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
    871   | After p -> fold_right_param_range f (f p init) (param_pred p) e
    872 
    873 let fold_right_params f fn init =
    874   fold_right_param_range f init (param_end fn) (At_start fn)
    875 
    876 external llvm_add_param_attr : llvalue -> int32 -> unit
    877                                 = "llvm_add_param_attr"
    878 external llvm_remove_param_attr : llvalue -> int32 -> unit
    879                                 = "llvm_remove_param_attr"
    880 
    881 let add_param_attr llval attr =
    882   llvm_add_param_attr llval (pack_attr attr)
    883 
    884 let remove_param_attr llval attr =
    885   llvm_remove_param_attr llval (pack_attr attr)
    886 
    887 external set_param_alignment : llvalue -> int -> unit
    888                              = "llvm_set_param_alignment"
    889 
    890 (*--... Operations on basic blocks .........................................--*)
    891 external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
    892 external value_is_block : llvalue -> bool = "llvm_value_is_block"
    893 external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
    894 external block_parent : llbasicblock -> llvalue = "LLVMGetBasicBlockParent"
    895 external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
    896 external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
    897 external delete_block : llbasicblock -> unit = "llvm_delete_block"
    898 external remove_block : llbasicblock -> unit = "llvm_remove_block"
    899 external move_block_before : llbasicblock -> llbasicblock -> unit
    900                            = "llvm_move_block_before"
    901 external move_block_after : llbasicblock -> llbasicblock -> unit
    902                           = "llvm_move_block_after"
    903 external append_block : llcontext -> string -> llvalue -> llbasicblock
    904                       = "llvm_append_block"
    905 external insert_block : llcontext -> string -> llbasicblock -> llbasicblock
    906                       = "llvm_insert_block"
    907 external block_begin : llvalue -> (llvalue, llbasicblock) llpos
    908                      = "llvm_block_begin"
    909 external block_succ : llbasicblock -> (llvalue, llbasicblock) llpos
    910                     = "llvm_block_succ"
    911 external block_end : llvalue -> (llvalue, llbasicblock) llrev_pos
    912                    = "llvm_block_end"
    913 external block_pred : llbasicblock -> (llvalue, llbasicblock) llrev_pos
    914                     = "llvm_block_pred"
    915 external block_terminator : llbasicblock -> llvalue option =
    916     "llvm_block_terminator"
    917 
    918 let rec iter_block_range f i e =
    919   if i = e then () else
    920   match i with
    921   | At_end _ -> raise (Invalid_argument "Invalid block range.")
    922   | Before bb ->
    923       f bb;
    924       iter_block_range f (block_succ bb) e
    925 
    926 let iter_blocks f fn =
    927   iter_block_range f (block_begin fn) (At_end fn)
    928 
    929 let rec fold_left_block_range f init i e =
    930   if i = e then init else
    931   match i with
    932   | At_end _ -> raise (Invalid_argument "Invalid block range.")
    933   | Before bb -> fold_left_block_range f (f init bb) (block_succ bb) e
    934 
    935 let fold_left_blocks f init fn =
    936   fold_left_block_range f init (block_begin fn) (At_end fn)
    937 
    938 let rec rev_iter_block_range f i e =
    939   if i = e then () else
    940   match i with
    941   | At_start _ -> raise (Invalid_argument "Invalid block range.")
    942   | After bb ->
    943       f bb;
    944       rev_iter_block_range f (block_pred bb) e
    945 
    946 let rev_iter_blocks f fn =
    947   rev_iter_block_range f (block_end fn) (At_start fn)
    948 
    949 let rec fold_right_block_range f init i e =
    950   if i = e then init else
    951   match i with
    952   | At_start _ -> raise (Invalid_argument "Invalid block range.")
    953   | After bb -> fold_right_block_range f (f bb init) (block_pred bb) e
    954 
    955 let fold_right_blocks f fn init =
    956   fold_right_block_range f init (block_end fn) (At_start fn)
    957 
    958 (*--... Operations on instructions .........................................--*)
    959 external instr_parent : llvalue -> llbasicblock = "LLVMGetInstructionParent"
    960 external instr_begin : llbasicblock -> (llbasicblock, llvalue) llpos
    961                      = "llvm_instr_begin"
    962 external instr_succ : llvalue -> (llbasicblock, llvalue) llpos
    963                      = "llvm_instr_succ"
    964 external instr_end : llbasicblock -> (llbasicblock, llvalue) llrev_pos
    965                      = "llvm_instr_end"
    966 external instr_pred : llvalue -> (llbasicblock, llvalue) llrev_pos
    967                      = "llvm_instr_pred"
    968 
    969 external instr_opcode : llvalue -> Opcode.t = "llvm_instr_get_opcode"
    970 external icmp_predicate : llvalue -> Icmp.t option = "llvm_instr_icmp_predicate"
    971 external fcmp_predicate : llvalue -> Fcmp.t option = "llvm_instr_fcmp_predicate"
    972 external instr_clone : llvalue -> llvalue = "llvm_instr_clone"
    973 
    974 let rec iter_instrs_range f i e =
    975   if i = e then () else
    976   match i with
    977   | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
    978   | Before i ->
    979       f i;
    980       iter_instrs_range f (instr_succ i) e
    981 
    982 let iter_instrs f bb =
    983   iter_instrs_range f (instr_begin bb) (At_end bb)
    984 
    985 let rec fold_left_instrs_range f init i e =
    986   if i = e then init else
    987   match i with
    988   | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
    989   | Before i -> fold_left_instrs_range f (f init i) (instr_succ i) e
    990 
    991 let fold_left_instrs f init bb =
    992   fold_left_instrs_range f init (instr_begin bb) (At_end bb)
    993 
    994 let rec rev_iter_instrs_range f i e =
    995   if i = e then () else
    996   match i with
    997   | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
    998   | After i ->
    999       f i;
   1000       rev_iter_instrs_range f (instr_pred i) e
   1001 
   1002 let rev_iter_instrs f bb =
   1003   rev_iter_instrs_range f (instr_end bb) (At_start bb)
   1004 
   1005 let rec fold_right_instr_range f i e init =
   1006   if i = e then init else
   1007   match i with
   1008   | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
   1009   | After i -> fold_right_instr_range f (instr_pred i) e (f i init)
   1010 
   1011 let fold_right_instrs f bb init =
   1012   fold_right_instr_range f (instr_end bb) (At_start bb) init
   1013 
   1014 
   1015 (*--... Operations on call sites ...........................................--*)
   1016 external instruction_call_conv: llvalue -> int
   1017                               = "llvm_instruction_call_conv"
   1018 external set_instruction_call_conv: int -> llvalue -> unit
   1019                                   = "llvm_set_instruction_call_conv"
   1020 
   1021 external llvm_add_instruction_param_attr : llvalue -> int -> int32 -> unit
   1022                                          = "llvm_add_instruction_param_attr"
   1023 external llvm_remove_instruction_param_attr : llvalue -> int -> int32 -> unit
   1024                                          = "llvm_remove_instruction_param_attr"
   1025 
   1026 let add_instruction_param_attr llval i attr =
   1027   llvm_add_instruction_param_attr llval i (pack_attr attr)
   1028 
   1029 let remove_instruction_param_attr llval i attr =
   1030   llvm_remove_instruction_param_attr llval i (pack_attr attr)
   1031 
   1032 (*--... Operations on call instructions (only) .............................--*)
   1033 external is_tail_call : llvalue -> bool = "llvm_is_tail_call"
   1034 external set_tail_call : bool -> llvalue -> unit = "llvm_set_tail_call"
   1035 
   1036 (*--... Operations on load/store instructions (only) .......................--*)
   1037 external is_volatile : llvalue -> bool = "llvm_is_volatile"
   1038 external set_volatile : bool -> llvalue -> unit = "llvm_set_volatile"
   1039 
   1040 (*--... Operations on terminators ..........................................--*)
   1041 
   1042 let is_terminator llv =
   1043   let open ValueKind in
   1044   let open Opcode in
   1045   match classify_value llv with
   1046     | Instruction (Br | IndirectBr | Invoke | Resume | Ret | Switch | Unreachable)
   1047       -> true
   1048     | _ -> false
   1049 
   1050 external successor : llvalue -> int -> llbasicblock = "llvm_successor"
   1051 external set_successor : llvalue -> int -> llbasicblock -> unit
   1052                        = "llvm_set_successor"
   1053 external num_successors : llvalue -> int = "llvm_num_successors"
   1054 
   1055 let successors llv =
   1056   if not (is_terminator llv) then
   1057     raise (Invalid_argument "Llvm.successors can only be used on terminators")
   1058   else
   1059     Array.init (num_successors llv) (successor llv)
   1060 
   1061 let iter_successors f llv =
   1062   if not (is_terminator llv) then
   1063     raise (Invalid_argument "Llvm.iter_successors can only be used on terminators")
   1064   else
   1065     for i = 0 to num_successors llv - 1 do
   1066       f (successor llv i)
   1067     done
   1068 
   1069 let fold_successors f llv z =
   1070   if not (is_terminator llv) then
   1071     raise (Invalid_argument "Llvm.fold_successors can only be used on terminators")
   1072   else
   1073     let n = num_successors llv in
   1074     let rec aux i acc =
   1075       if i >= n then acc
   1076       else begin
   1077         let llb = successor llv i in
   1078         aux (i+1) (f llb acc)
   1079       end
   1080     in aux 0 z
   1081 
   1082 
   1083 (*--... Operations on branches .............................................--*)
   1084 external condition : llvalue -> llvalue = "llvm_condition"
   1085 external set_condition : llvalue -> llvalue -> unit
   1086                        = "llvm_set_condition"
   1087 external is_conditional : llvalue -> bool = "llvm_is_conditional"
   1088 
   1089 let get_branch llv =
   1090   if classify_value llv <> ValueKind.Instruction Opcode.Br then
   1091     None
   1092   else if is_conditional llv then
   1093     Some (`Conditional (condition llv, successor llv 0, successor llv 1))
   1094   else
   1095     Some (`Unconditional (successor llv 0))
   1096 
   1097 (*--... Operations on phi nodes ............................................--*)
   1098 external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
   1099                       = "llvm_add_incoming"
   1100 external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
   1101 
   1102 external delete_instruction : llvalue -> unit = "llvm_delete_instruction"
   1103 
   1104 (*===-- Instruction builders ----------------------------------------------===*)
   1105 external builder : llcontext -> llbuilder = "llvm_builder"
   1106 external position_builder : (llbasicblock, llvalue) llpos -> llbuilder -> unit
   1107                           = "llvm_position_builder"
   1108 external insertion_block : llbuilder -> llbasicblock = "llvm_insertion_block"
   1109 external insert_into_builder : llvalue -> string -> llbuilder -> unit
   1110                              = "llvm_insert_into_builder"
   1111 
   1112 let builder_at context ip =
   1113   let b = builder context in
   1114   position_builder ip b;
   1115   b
   1116 
   1117 let builder_before context i = builder_at context (Before i)
   1118 let builder_at_end context bb = builder_at context (At_end bb)
   1119 
   1120 let position_before i = position_builder (Before i)
   1121 let position_at_end bb = position_builder (At_end bb)
   1122 
   1123 
   1124 (*--... Metadata ...........................................................--*)
   1125 external set_current_debug_location : llbuilder -> llvalue -> unit
   1126                                     = "llvm_set_current_debug_location"
   1127 external clear_current_debug_location : llbuilder -> unit
   1128                                       = "llvm_clear_current_debug_location"
   1129 external current_debug_location : llbuilder -> llvalue option
   1130                                     = "llvm_current_debug_location"
   1131 external set_inst_debug_location : llbuilder -> llvalue -> unit
   1132                                  = "llvm_set_inst_debug_location"
   1133 
   1134 
   1135 (*--... Terminators ........................................................--*)
   1136 external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
   1137 external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
   1138 external build_aggregate_ret : llvalue array -> llbuilder -> llvalue
   1139                              = "llvm_build_aggregate_ret"
   1140 external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
   1141 external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
   1142                          llvalue = "llvm_build_cond_br"
   1143 external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
   1144                       = "llvm_build_switch"
   1145 external build_malloc : lltype -> string -> llbuilder -> llvalue =
   1146     "llvm_build_malloc"
   1147 external build_array_malloc : lltype -> llvalue -> string -> llbuilder ->
   1148     llvalue = "llvm_build_array_malloc"
   1149 external build_free : llvalue -> llbuilder -> llvalue = "llvm_build_free"
   1150 external add_case : llvalue -> llvalue -> llbasicblock -> unit
   1151                   = "llvm_add_case"
   1152 external switch_default_dest : llvalue -> llbasicblock =
   1153     "LLVMGetSwitchDefaultDest"
   1154 external build_indirect_br : llvalue -> int -> llbuilder -> llvalue
   1155                            = "llvm_build_indirect_br"
   1156 external add_destination : llvalue -> llbasicblock -> unit
   1157                          = "llvm_add_destination"
   1158 external build_invoke : llvalue -> llvalue array -> llbasicblock ->
   1159                         llbasicblock -> string -> llbuilder -> llvalue
   1160                       = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
   1161 external build_landingpad : lltype -> llvalue -> int -> string -> llbuilder ->
   1162                             llvalue = "llvm_build_landingpad"
   1163 external set_cleanup : llvalue -> bool -> unit = "llvm_set_cleanup"
   1164 external add_clause : llvalue -> llvalue -> unit = "llvm_add_clause"
   1165 external build_resume : llvalue -> llbuilder -> llvalue = "llvm_build_resume"
   1166 external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"
   1167 
   1168 (*--... Arithmetic .........................................................--*)
   1169 external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1170                    = "llvm_build_add"
   1171 external build_nsw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1172                        = "llvm_build_nsw_add"
   1173 external build_nuw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1174                        = "llvm_build_nuw_add"
   1175 external build_fadd : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1176                     = "llvm_build_fadd"
   1177 external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1178                    = "llvm_build_sub"
   1179 external build_nsw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1180                        = "llvm_build_nsw_sub"
   1181 external build_nuw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1182                        = "llvm_build_nuw_sub"
   1183 external build_fsub : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1184                     = "llvm_build_fsub"
   1185 external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1186                    = "llvm_build_mul"
   1187 external build_nsw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1188                        = "llvm_build_nsw_mul"
   1189 external build_nuw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1190                        = "llvm_build_nuw_mul"
   1191 external build_fmul : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1192                     = "llvm_build_fmul"
   1193 external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1194                     = "llvm_build_udiv"
   1195 external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1196                     = "llvm_build_sdiv"
   1197 external build_exact_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1198                           = "llvm_build_exact_sdiv"
   1199 external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1200                     = "llvm_build_fdiv"
   1201 external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1202                     = "llvm_build_urem"
   1203 external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1204                     = "llvm_build_srem"
   1205 external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1206                     = "llvm_build_frem"
   1207 external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1208                    = "llvm_build_shl"
   1209 external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1210                     = "llvm_build_lshr"
   1211 external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1212                     = "llvm_build_ashr"
   1213 external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1214                    = "llvm_build_and"
   1215 external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1216                   = "llvm_build_or"
   1217 external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1218                    = "llvm_build_xor"
   1219 external build_neg : llvalue -> string -> llbuilder -> llvalue
   1220                    = "llvm_build_neg"
   1221 external build_nsw_neg : llvalue -> string -> llbuilder -> llvalue
   1222                        = "llvm_build_nsw_neg"
   1223 external build_nuw_neg : llvalue -> string -> llbuilder -> llvalue
   1224                        = "llvm_build_nuw_neg"
   1225 external build_fneg : llvalue -> string -> llbuilder -> llvalue
   1226                     = "llvm_build_fneg"
   1227 external build_not : llvalue -> string -> llbuilder -> llvalue
   1228                    = "llvm_build_not"
   1229 
   1230 (*--... Memory .............................................................--*)
   1231 external build_alloca : lltype -> string -> llbuilder -> llvalue
   1232                       = "llvm_build_alloca"
   1233 external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
   1234                               llvalue = "llvm_build_array_alloca"
   1235 external build_load : llvalue -> string -> llbuilder -> llvalue
   1236                     = "llvm_build_load"
   1237 external build_store : llvalue -> llvalue -> llbuilder -> llvalue
   1238                      = "llvm_build_store"
   1239 external build_atomicrmw : AtomicRMWBinOp.t -> llvalue -> llvalue ->
   1240                            AtomicOrdering.t -> bool -> string -> llbuilder ->
   1241                            llvalue
   1242                          = "llvm_build_atomicrmw_bytecode"
   1243                            "llvm_build_atomicrmw_native"
   1244 external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
   1245                    = "llvm_build_gep"
   1246 external build_in_bounds_gep : llvalue -> llvalue array -> string ->
   1247                              llbuilder -> llvalue = "llvm_build_in_bounds_gep"
   1248 external build_struct_gep : llvalue -> int -> string -> llbuilder -> llvalue
   1249                          = "llvm_build_struct_gep"
   1250 
   1251 external build_global_string : string -> string -> llbuilder -> llvalue
   1252                              = "llvm_build_global_string"
   1253 external build_global_stringptr  : string -> string -> llbuilder -> llvalue
   1254                                  = "llvm_build_global_stringptr"
   1255 
   1256 (*--... Casts ..............................................................--*)
   1257 external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
   1258                      = "llvm_build_trunc"
   1259 external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
   1260                     = "llvm_build_zext"
   1261 external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
   1262                     = "llvm_build_sext"
   1263 external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
   1264                       = "llvm_build_fptoui"
   1265 external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
   1266                       = "llvm_build_fptosi"
   1267 external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
   1268                       = "llvm_build_uitofp"
   1269 external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
   1270                       = "llvm_build_sitofp"
   1271 external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
   1272                        = "llvm_build_fptrunc"
   1273 external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
   1274                      = "llvm_build_fpext"
   1275 external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
   1276                         = "llvm_build_prttoint"
   1277 external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
   1278                         = "llvm_build_inttoptr"
   1279 external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
   1280                        = "llvm_build_bitcast"
   1281 external build_zext_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
   1282                                  llvalue = "llvm_build_zext_or_bitcast"
   1283 external build_sext_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
   1284                                  llvalue = "llvm_build_sext_or_bitcast"
   1285 external build_trunc_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
   1286                                   llvalue = "llvm_build_trunc_or_bitcast"
   1287 external build_pointercast : llvalue -> lltype -> string -> llbuilder -> llvalue
   1288                            = "llvm_build_pointercast"
   1289 external build_intcast : llvalue -> lltype -> string -> llbuilder -> llvalue
   1290                        = "llvm_build_intcast"
   1291 external build_fpcast : llvalue -> lltype -> string -> llbuilder -> llvalue
   1292                       = "llvm_build_fpcast"
   1293 
   1294 (*--... Comparisons ........................................................--*)
   1295 external build_icmp : Icmp.t -> llvalue -> llvalue -> string ->
   1296                       llbuilder -> llvalue = "llvm_build_icmp"
   1297 external build_fcmp : Fcmp.t -> llvalue -> llvalue -> string ->
   1298                       llbuilder -> llvalue = "llvm_build_fcmp"
   1299 
   1300 (*--... Miscellaneous instructions .........................................--*)
   1301 external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
   1302                      llvalue = "llvm_build_phi"
   1303 external build_empty_phi : lltype -> string -> llbuilder -> llvalue
   1304                          = "llvm_build_empty_phi"
   1305 external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
   1306                     = "llvm_build_call"
   1307 external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
   1308                         llvalue = "llvm_build_select"
   1309 external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
   1310                       = "llvm_build_va_arg"
   1311 external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
   1312                                 llvalue = "llvm_build_extractelement"
   1313 external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
   1314                                llbuilder -> llvalue = "llvm_build_insertelement"
   1315 external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
   1316                                llbuilder -> llvalue = "llvm_build_shufflevector"
   1317 external build_extractvalue : llvalue -> int -> string -> llbuilder -> llvalue
   1318                             = "llvm_build_extractvalue"
   1319 external build_insertvalue : llvalue -> llvalue -> int -> string -> llbuilder ->
   1320                              llvalue = "llvm_build_insertvalue"
   1321 
   1322 external build_is_null : llvalue -> string -> llbuilder -> llvalue
   1323                        = "llvm_build_is_null"
   1324 external build_is_not_null : llvalue -> string -> llbuilder -> llvalue
   1325                            = "llvm_build_is_not_null"
   1326 external build_ptrdiff : llvalue -> llvalue -> string -> llbuilder -> llvalue
   1327                        = "llvm_build_ptrdiff"
   1328 
   1329 
   1330 (*===-- Memory buffers ----------------------------------------------------===*)
   1331 
   1332 module MemoryBuffer = struct
   1333   external of_file : string -> llmemorybuffer = "llvm_memorybuffer_of_file"
   1334   external of_stdin : unit -> llmemorybuffer = "llvm_memorybuffer_of_stdin"
   1335   external of_string : ?name:string -> string -> llmemorybuffer
   1336                      = "llvm_memorybuffer_of_string"
   1337   external as_string : llmemorybuffer -> string = "llvm_memorybuffer_as_string"
   1338   external dispose : llmemorybuffer -> unit = "llvm_memorybuffer_dispose"
   1339 end
   1340 
   1341 
   1342 (*===-- Pass Manager ------------------------------------------------------===*)
   1343 
   1344 module PassManager = struct
   1345   type 'a t
   1346   type any = [ `Module | `Function ]
   1347   external create : unit -> [ `Module ] t = "llvm_passmanager_create"
   1348   external create_function : llmodule -> [ `Function ] t
   1349                            = "LLVMCreateFunctionPassManager"
   1350   external run_module : llmodule -> [ `Module ] t -> bool
   1351                       = "llvm_passmanager_run_module"
   1352   external initialize : [ `Function ] t -> bool = "llvm_passmanager_initialize"
   1353   external run_function : llvalue -> [ `Function ] t -> bool
   1354                         = "llvm_passmanager_run_function"
   1355   external finalize : [ `Function ] t -> bool = "llvm_passmanager_finalize"
   1356   external dispose : [< any ] t -> unit = "llvm_passmanager_dispose"
   1357 end
   1358