llvm.org GIT mirror llvm / release_29 bindings / ocaml / llvm / llvm.ml
release_29

Tree @release_29 (Download .tar.gz)

llvm.ml @release_29raw · history · blame

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
(*===-- llvm/llvm.ml - LLVM Ocaml Interface --------------------------------===*
 *
 *                     The LLVM Compiler Infrastructure
 *
 * This file is distributed under the University of Illinois Open Source
 * License. See LICENSE.TXT for details.
 *
 *===----------------------------------------------------------------------===*)


type llcontext
type llmodule
type lltype
type lltypehandle
type llvalue
type lluse
type llbasicblock
type llbuilder
type llmemorybuffer

module TypeKind = struct
  type t =
  | Void
  | Float
  | Double
  | X86fp80
  | Fp128
  | Ppc_fp128
  | Label
  | Integer
  | Function
  | Struct
  | Array
  | Pointer
  | Opaque
  | Vector
  | Metadata
end

module Linkage = struct
  type t =
  | External
  | Available_externally
  | Link_once
  | Link_once_odr
  | Weak
  | Weak_odr
  | Appending
  | Internal
  | Private
  | Dllimport
  | Dllexport
  | External_weak
  | Ghost
  | Common
  | Linker_private
end

module Visibility = struct
  type t =
  | Default
  | Hidden
  | Protected
end

module CallConv = struct
  let c = 0
  let fast = 8
  let cold = 9
  let x86_stdcall = 64
  let x86_fastcall = 65
end

module Attribute = struct
  type t =
  | Zext
  | Sext
  | Noreturn
  | Inreg
  | Structret
  | Nounwind
  | Noalias
  | Byval
  | Nest
  | Readnone
  | Readonly
  | Noinline
  | Alwaysinline
  | Optsize
  | Ssp
  | Sspreq
  | Alignment of int
  | Nocapture
  | Noredzone
  | Noimplicitfloat
  | Naked
  | Inlinehint
  | Stackalignment of int
end

module Icmp = struct
  type t =
  | Eq
  | Ne
  | Ugt
  | Uge
  | Ult
  | Ule
  | Sgt
  | Sge
  | Slt
  | Sle
end

module Fcmp = struct
  type t =
  | False
  | Oeq
  | Ogt
  | Oge
  | Olt
  | Ole
  | One
  | Ord
  | Uno
  | Ueq
  | Ugt
  | Uge
  | Ult
  | Ule
  | Une
  | True
end

exception IoError of string

external register_exns : exn -> unit = "llvm_register_core_exns"
let _ = register_exns (IoError "")

type ('a, 'b) llpos =
| At_end of 'a
| Before of 'b

type ('a, 'b) llrev_pos =
| At_start of 'a
| After of 'b

(*===-- Contexts ----------------------------------------------------------===*)
external create_context : unit -> llcontext = "llvm_create_context"
external dispose_context : llcontext -> unit = "llvm_dispose_context"
external global_context : unit -> llcontext = "llvm_global_context"
external mdkind_id : llcontext -> string -> int = "llvm_mdkind_id"

(*===-- Modules -----------------------------------------------------------===*)
external create_module : llcontext -> string -> llmodule = "llvm_create_module"
external dispose_module : llmodule -> unit = "llvm_dispose_module"
external target_triple: llmodule -> string
                      = "llvm_target_triple"
external set_target_triple: string -> llmodule -> unit
                          = "llvm_set_target_triple"
external data_layout: llmodule -> string
                    = "llvm_data_layout"
external set_data_layout: string -> llmodule -> unit
                        = "llvm_set_data_layout"
external define_type_name : string -> lltype -> llmodule -> bool
                          = "llvm_add_type_name"
external delete_type_name : string -> llmodule -> unit
                          = "llvm_delete_type_name"
external type_by_name : llmodule -> string -> lltype option
                      = "llvm_type_by_name"
external dump_module : llmodule -> unit = "llvm_dump_module"
external set_module_inline_asm : llmodule -> string -> unit
                               = "llvm_set_module_inline_asm"

(*===-- Types -------------------------------------------------------------===*)
external classify_type : lltype -> TypeKind.t = "llvm_classify_type"
external type_context : lltype -> llcontext = "llvm_type_context"

(*--... Operations on integer types ........................................--*)
external i1_type : llcontext -> lltype = "llvm_i1_type"
external i8_type : llcontext -> lltype = "llvm_i8_type"
external i16_type : llcontext -> lltype = "llvm_i16_type"
external i32_type : llcontext -> lltype = "llvm_i32_type"
external i64_type : llcontext -> lltype = "llvm_i64_type"

external integer_type : llcontext -> int -> lltype = "llvm_integer_type"
external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"

(*--... Operations on real types ...........................................--*)
external float_type : llcontext -> lltype = "llvm_float_type"
external double_type : llcontext -> lltype = "llvm_double_type"
external x86fp80_type : llcontext -> lltype = "llvm_x86fp80_type"
external fp128_type : llcontext -> lltype = "llvm_fp128_type"
external ppc_fp128_type : llcontext -> lltype = "llvm_ppc_fp128_type"

(*--... Operations on function types .......................................--*)
external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
external var_arg_function_type : lltype -> lltype array -> lltype
                               = "llvm_var_arg_function_type"
external is_var_arg : lltype -> bool = "llvm_is_var_arg"
external return_type : lltype -> lltype = "LLVMGetReturnType"
external param_types : lltype -> lltype array = "llvm_param_types"

(*--... Operations on struct types .........................................--*)
external struct_type : llcontext -> lltype array -> lltype = "llvm_struct_type"
external packed_struct_type : llcontext -> lltype array -> lltype
                            = "llvm_packed_struct_type"
external struct_element_types : lltype -> lltype array
                              = "llvm_struct_element_types"
external is_packed : lltype -> bool = "llvm_is_packed"

(*--... Operations on pointer, vector, and array types .....................--*)
external array_type : lltype -> int -> lltype = "llvm_array_type"
external pointer_type : lltype -> lltype = "llvm_pointer_type"
external qualified_pointer_type : lltype -> int -> lltype
                                = "llvm_qualified_pointer_type"
external vector_type : lltype -> int -> lltype = "llvm_vector_type"

external element_type : lltype -> lltype = "LLVMGetElementType"
external array_length : lltype -> int = "llvm_array_length"
external address_space : lltype -> int = "llvm_address_space"
external vector_size : lltype -> int = "llvm_vector_size"

(*--... Operations on other types ..........................................--*)
external opaque_type : llcontext -> lltype = "llvm_opaque_type"
external void_type : llcontext -> lltype = "llvm_void_type"
external label_type : llcontext -> lltype = "llvm_label_type"

(*--... Operations on type handles .........................................--*)
external handle_to_type : lltype -> lltypehandle = "llvm_handle_to_type"
external type_of_handle : lltypehandle -> lltype = "llvm_type_of_handle"
external refine_type : lltype -> lltype -> unit = "llvm_refine_type"


(*===-- Values ------------------------------------------------------------===*)
external type_of : llvalue -> lltype = "llvm_type_of"
external value_name : llvalue -> string = "llvm_value_name"
external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
external dump_value : llvalue -> unit = "llvm_dump_value"
external replace_all_uses_with : llvalue -> llvalue -> unit
                               = "LLVMReplaceAllUsesWith"

(*--... Operations on uses .................................................--*)
external use_begin : llvalue -> lluse option = "llvm_use_begin"
external use_succ : lluse -> lluse option = "llvm_use_succ"
external user : lluse -> llvalue = "llvm_user"
external used_value : lluse -> llvalue = "llvm_used_value"

let iter_uses f v =
  let rec aux = function
    | None -> ()
    | Some u ->
        f u;
        aux (use_succ u)
  in
  aux (use_begin v)

let fold_left_uses f init v =
  let rec aux init u =
    match u with
    | None -> init
    | Some u -> aux (f init u) (use_succ u)
  in
  aux init (use_begin v)

let fold_right_uses f v init =
  let rec aux u init =
    match u with
    | None -> init
    | Some u -> f u (aux (use_succ u) init)
  in
  aux (use_begin v) init


(*--... Operations on users ................................................--*)
external operand : llvalue -> int -> llvalue = "llvm_operand"
external set_operand : llvalue -> int -> llvalue -> unit = "llvm_set_operand"
external num_operands : llvalue -> int = "llvm_num_operands"

(*--... Operations on constants of (mostly) any type .......................--*)
external is_constant : llvalue -> bool = "llvm_is_constant"
external const_null : lltype -> llvalue = "LLVMConstNull"
external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
external const_pointer_null : lltype -> llvalue = "LLVMConstPointerNull"
external undef : lltype -> llvalue = "LLVMGetUndef"
external is_null : llvalue -> bool = "llvm_is_null"
external is_undef : llvalue -> bool = "llvm_is_undef"

(*--... Operations on instructions .........................................--*)
external has_metadata : llvalue -> bool = "llvm_has_metadata"
external metadata : llvalue -> int -> llvalue option = "llvm_metadata"
external set_metadata : llvalue -> int -> llvalue -> unit = "llvm_set_metadata"
external clear_metadata : llvalue -> int -> unit = "llvm_clear_metadata"

(*--... Operations on metadata .......,.....................................--*)
external mdstring : llcontext -> string -> llvalue = "llvm_mdstring"
external mdnode : llcontext -> llvalue array -> llvalue = "llvm_mdnode"

(*--... Operations on scalar constants .....................................--*)
external const_int : lltype -> int -> llvalue = "llvm_const_int"
external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
                        = "llvm_const_of_int64"
external const_int_of_string : lltype -> string -> int -> llvalue
                             = "llvm_const_int_of_string"
external const_float : lltype -> float -> llvalue = "llvm_const_float"
external const_float_of_string : lltype -> string -> llvalue
                               = "llvm_const_float_of_string"

(*--... Operations on composite constants ..................................--*)
external const_string : llcontext -> string -> llvalue = "llvm_const_string"
external const_stringz : llcontext -> string -> llvalue = "llvm_const_stringz"
external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
external const_struct : llcontext -> llvalue array -> llvalue
                      = "llvm_const_struct"
external const_packed_struct : llcontext -> llvalue array -> llvalue
                             = "llvm_const_packed_struct"
external const_vector : llvalue array -> llvalue = "llvm_const_vector"

(*--... Constant expressions ...............................................--*)
external align_of : lltype -> llvalue = "LLVMAlignOf"
external size_of : lltype -> llvalue = "LLVMSizeOf"
external const_neg : llvalue -> llvalue = "LLVMConstNeg"
external const_nsw_neg : llvalue -> llvalue = "LLVMConstNSWNeg"
external const_nuw_neg : llvalue -> llvalue = "LLVMConstNUWNeg"
external const_fneg : llvalue -> llvalue = "LLVMConstFNeg"
external const_not : llvalue -> llvalue = "LLVMConstNot"
external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
external const_nsw_add : llvalue -> llvalue -> llvalue = "LLVMConstNSWAdd"
external const_nuw_add : llvalue -> llvalue -> llvalue = "LLVMConstNUWAdd"
external const_fadd : llvalue -> llvalue -> llvalue = "LLVMConstFAdd"
external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
external const_nsw_sub : llvalue -> llvalue -> llvalue = "LLVMConstNSWSub"
external const_nuw_sub : llvalue -> llvalue -> llvalue = "LLVMConstNUWSub"
external const_fsub : llvalue -> llvalue -> llvalue = "LLVMConstFSub"
external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
external const_nsw_mul : llvalue -> llvalue -> llvalue = "LLVMConstNSWMul"
external const_nuw_mul : llvalue -> llvalue -> llvalue = "LLVMConstNUWMul"
external const_fmul : llvalue -> llvalue -> llvalue = "LLVMConstFMul"
external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
external const_exact_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstExactSDiv"
external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
external const_icmp : Icmp.t -> llvalue -> llvalue -> llvalue
                    = "llvm_const_icmp"
external const_fcmp : Fcmp.t -> llvalue -> llvalue -> llvalue
                    = "llvm_const_fcmp"
external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
external const_in_bounds_gep : llvalue -> llvalue array -> llvalue
                            = "llvm_const_in_bounds_gep"
external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
external const_zext_or_bitcast : llvalue -> lltype -> llvalue
                             = "LLVMConstZExtOrBitCast"
external const_sext_or_bitcast : llvalue -> lltype -> llvalue
                             = "LLVMConstSExtOrBitCast"
external const_trunc_or_bitcast : llvalue -> lltype -> llvalue
                              = "LLVMConstTruncOrBitCast"
external const_pointercast : llvalue -> lltype -> llvalue
                           = "LLVMConstPointerCast"
external const_intcast : llvalue -> lltype -> llvalue = "LLVMConstIntCast"
external const_fpcast : llvalue -> lltype -> llvalue = "LLVMConstFPCast"
external const_select : llvalue -> llvalue -> llvalue -> llvalue
                      = "LLVMConstSelect"
external const_extractelement : llvalue -> llvalue -> llvalue
                              = "LLVMConstExtractElement"
external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
                             = "LLVMConstInsertElement"
external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
                             = "LLVMConstShuffleVector"
external const_extractvalue : llvalue -> int array -> llvalue
                            = "llvm_const_extractvalue"
external const_insertvalue : llvalue -> llvalue -> int array -> llvalue
                           = "llvm_const_insertvalue"
external const_inline_asm : lltype -> string -> string -> bool -> bool ->
                            llvalue
                          = "llvm_const_inline_asm"
external block_address : llvalue -> llbasicblock -> llvalue = "LLVMBlockAddress"

(*--... Operations on global variables, functions, and aliases (globals) ...--*)
external global_parent : llvalue -> llmodule = "LLVMGetGlobalParent"
external is_declaration : llvalue -> bool = "llvm_is_declaration"
external linkage : llvalue -> Linkage.t = "llvm_linkage"
external set_linkage : Linkage.t -> llvalue -> unit = "llvm_set_linkage"
external section : llvalue -> string = "llvm_section"
external set_section : string -> llvalue -> unit = "llvm_set_section"
external visibility : llvalue -> Visibility.t = "llvm_visibility"
external set_visibility : Visibility.t -> llvalue -> unit = "llvm_set_visibility"
external alignment : llvalue -> int = "llvm_alignment"
external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
external is_global_constant : llvalue -> bool = "llvm_is_global_constant"
external set_global_constant : bool -> llvalue -> unit
                             = "llvm_set_global_constant"

(*--... Operations on global variables .....................................--*)
external declare_global : lltype -> string -> llmodule -> llvalue
                        = "llvm_declare_global"
external declare_qualified_global : lltype -> string -> int -> llmodule ->
                                    llvalue
                                  = "llvm_declare_qualified_global"
external define_global : string -> llvalue -> llmodule -> llvalue
                       = "llvm_define_global"
external define_qualified_global : string -> llvalue -> int -> llmodule ->
                                   llvalue
                                 = "llvm_define_qualified_global"
external lookup_global : string -> llmodule -> llvalue option
                       = "llvm_lookup_global"
external delete_global : llvalue -> unit = "llvm_delete_global"
external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
external global_begin : llmodule -> (llmodule, llvalue) llpos
                      = "llvm_global_begin"
external global_succ : llvalue -> (llmodule, llvalue) llpos
                     = "llvm_global_succ"
external global_end : llmodule -> (llmodule, llvalue) llrev_pos
                    = "llvm_global_end"
external global_pred : llvalue -> (llmodule, llvalue) llrev_pos
                     = "llvm_global_pred"

let rec iter_global_range f i e =
  if i = e then () else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
  | Before bb ->
      f bb;
      iter_global_range f (global_succ bb) e

let iter_globals f m =
  iter_global_range f (global_begin m) (At_end m)

let rec fold_left_global_range f init i e =
  if i = e then init else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
  | Before bb -> fold_left_global_range f (f init bb) (global_succ bb) e

let fold_left_globals f init m =
  fold_left_global_range f init (global_begin m) (At_end m)

let rec rev_iter_global_range f i e =
  if i = e then () else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
  | After bb ->
      f bb;
      rev_iter_global_range f (global_pred bb) e

let rev_iter_globals f m =
  rev_iter_global_range f (global_end m) (At_start m)

let rec fold_right_global_range f i e init =
  if i = e then init else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
  | After bb -> fold_right_global_range f (global_pred bb) e (f bb init)

let fold_right_globals f m init =
  fold_right_global_range f (global_end m) (At_start m) init

(*--... Operations on aliases ..............................................--*)
external add_alias : llmodule -> lltype -> llvalue -> string -> llvalue
                   = "llvm_add_alias"

(*--... Operations on functions ............................................--*)
external declare_function : string -> lltype -> llmodule -> llvalue
                          = "llvm_declare_function"
external define_function : string -> lltype -> llmodule -> llvalue
                         = "llvm_define_function"
external lookup_function : string -> llmodule -> llvalue option
                         = "llvm_lookup_function"
external delete_function : llvalue -> unit = "llvm_delete_function"
external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
external function_call_conv : llvalue -> int = "llvm_function_call_conv"
external set_function_call_conv : int -> llvalue -> unit
                                = "llvm_set_function_call_conv"
external gc : llvalue -> string option = "llvm_gc"
external set_gc : string option -> llvalue -> unit = "llvm_set_gc"
external function_begin : llmodule -> (llmodule, llvalue) llpos
                        = "llvm_function_begin"
external function_succ : llvalue -> (llmodule, llvalue) llpos
                       = "llvm_function_succ"
external function_end : llmodule -> (llmodule, llvalue) llrev_pos
                      = "llvm_function_end"
external function_pred : llvalue -> (llmodule, llvalue) llrev_pos
                       = "llvm_function_pred"

let rec iter_function_range f i e =
  if i = e then () else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid function range.")
  | Before fn ->
      f fn;
      iter_function_range f (function_succ fn) e

let iter_functions f m =
  iter_function_range f (function_begin m) (At_end m)

let rec fold_left_function_range f init i e =
  if i = e then init else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid function range.")
  | Before fn -> fold_left_function_range f (f init fn) (function_succ fn) e

let fold_left_functions f init m =
  fold_left_function_range f init (function_begin m) (At_end m)

let rec rev_iter_function_range f i e =
  if i = e then () else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid function range.")
  | After fn ->
      f fn;
      rev_iter_function_range f (function_pred fn) e

let rev_iter_functions f m =
  rev_iter_function_range f (function_end m) (At_start m)

let rec fold_right_function_range f i e init =
  if i = e then init else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid function range.")
  | After fn -> fold_right_function_range f (function_pred fn) e (f fn init)

let fold_right_functions f m init =
  fold_right_function_range f (function_end m) (At_start m) init

external llvm_add_function_attr : llvalue -> int -> unit
                                = "llvm_add_function_attr"
external llvm_remove_function_attr : llvalue -> int -> unit
                                   = "llvm_remove_function_attr"

let pack_attr (attr:Attribute.t) : int =
  match attr with
      Attribute.Zext              -> 1 lsl 0
    | Attribute.Sext              -> 1 lsl 1
    | Attribute.Noreturn          -> 1 lsl 2
    | Attribute.Inreg             -> 1 lsl 3
    | Attribute.Structret         -> 1 lsl 4
    | Attribute.Nounwind          -> 1 lsl 5
    | Attribute.Noalias           -> 1 lsl 6
    | Attribute.Byval             -> 1 lsl 7
    | Attribute.Nest              -> 1 lsl 8
    | Attribute.Readnone          -> 1 lsl 9
    | Attribute.Readonly          -> 1 lsl 10
    | Attribute.Noinline          -> 1 lsl 11
    | Attribute.Alwaysinline      -> 1 lsl 12
    | Attribute.Optsize           -> 1 lsl 13
    | Attribute.Ssp               -> 1 lsl 14
    | Attribute.Sspreq            -> 1 lsl 15
    | Attribute.Alignment n       -> n lsl 16
    | Attribute.Nocapture         -> 1 lsl 21
    | Attribute.Noredzone         -> 1 lsl 22
    | Attribute.Noimplicitfloat   -> 1 lsl 23
    | Attribute.Naked             -> 1 lsl 24
    | Attribute.Inlinehint        -> 1 lsl 25
    | Attribute.Stackalignment n  -> n lsl 26

let add_function_attr llval attr =
  llvm_add_function_attr llval (pack_attr attr)

let remove_function_attr llval attr =
  llvm_remove_function_attr llval (pack_attr attr)

(*--... Operations on params ...............................................--*)
external params : llvalue -> llvalue array = "llvm_params"
external param : llvalue -> int -> llvalue = "llvm_param"
external param_parent : llvalue -> llvalue = "LLVMGetParamParent"
external param_begin : llvalue -> (llvalue, llvalue) llpos = "llvm_param_begin"
external param_succ : llvalue -> (llvalue, llvalue) llpos = "llvm_param_succ"
external param_end : llvalue -> (llvalue, llvalue) llrev_pos = "llvm_param_end"
external param_pred : llvalue -> (llvalue, llvalue) llrev_pos ="llvm_param_pred"

let rec iter_param_range f i e =
  if i = e then () else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
  | Before p ->
      f p;
      iter_param_range f (param_succ p) e

let iter_params f fn =
  iter_param_range f (param_begin fn) (At_end fn)

let rec fold_left_param_range f init i e =
  if i = e then init else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
  | Before p -> fold_left_param_range f (f init p) (param_succ p) e

let fold_left_params f init fn =
  fold_left_param_range f init (param_begin fn) (At_end fn)

let rec rev_iter_param_range f i e =
  if i = e then () else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
  | After p ->
      f p;
      rev_iter_param_range f (param_pred p) e

let rev_iter_params f fn =
  rev_iter_param_range f (param_end fn) (At_start fn)

let rec fold_right_param_range f init i e =
  if i = e then init else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
  | After p -> fold_right_param_range f (f p init) (param_pred p) e

let fold_right_params f fn init =
  fold_right_param_range f init (param_end fn) (At_start fn)

external llvm_add_param_attr : llvalue -> int -> unit
                                = "llvm_add_param_attr"
external llvm_remove_param_attr : llvalue -> int -> unit
                                = "llvm_remove_param_attr"

let add_param_attr llval attr =
  llvm_add_param_attr llval (pack_attr attr)

let remove_param_attr llval attr =
  llvm_remove_param_attr llval (pack_attr attr)

external set_param_alignment : llvalue -> int -> unit
                             = "llvm_set_param_alignment"

(*--... Operations on basic blocks .........................................--*)
external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
external value_is_block : llvalue -> bool = "llvm_value_is_block"
external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
external block_parent : llbasicblock -> llvalue = "LLVMGetBasicBlockParent"
external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
external delete_block : llbasicblock -> unit = "llvm_delete_block"
external append_block : llcontext -> string -> llvalue -> llbasicblock
                      = "llvm_append_block"
external insert_block : llcontext -> string -> llbasicblock -> llbasicblock
                      = "llvm_insert_block"
external block_begin : llvalue -> (llvalue, llbasicblock) llpos
                     = "llvm_block_begin"
external block_succ : llbasicblock -> (llvalue, llbasicblock) llpos
                    = "llvm_block_succ"
external block_end : llvalue -> (llvalue, llbasicblock) llrev_pos
                   = "llvm_block_end"
external block_pred : llbasicblock -> (llvalue, llbasicblock) llrev_pos
                    = "llvm_block_pred"

let rec iter_block_range f i e =
  if i = e then () else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid block range.")
  | Before bb ->
      f bb;
      iter_block_range f (block_succ bb) e

let iter_blocks f fn =
  iter_block_range f (block_begin fn) (At_end fn)

let rec fold_left_block_range f init i e =
  if i = e then init else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid block range.")
  | Before bb -> fold_left_block_range f (f init bb) (block_succ bb) e

let fold_left_blocks f init fn =
  fold_left_block_range f init (block_begin fn) (At_end fn)

let rec rev_iter_block_range f i e =
  if i = e then () else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid block range.")
  | After bb ->
      f bb;
      rev_iter_block_range f (block_pred bb) e

let rev_iter_blocks f fn =
  rev_iter_block_range f (block_end fn) (At_start fn)

let rec fold_right_block_range f init i e =
  if i = e then init else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid block range.")
  | After bb -> fold_right_block_range f (f bb init) (block_pred bb) e

let fold_right_blocks f fn init =
  fold_right_block_range f init (block_end fn) (At_start fn)

(*--... Operations on instructions .........................................--*)
external instr_parent : llvalue -> llbasicblock = "LLVMGetInstructionParent"
external instr_begin : llbasicblock -> (llbasicblock, llvalue) llpos
                     = "llvm_instr_begin"
external instr_succ : llvalue -> (llbasicblock, llvalue) llpos
                     = "llvm_instr_succ"
external instr_end : llbasicblock -> (llbasicblock, llvalue) llrev_pos
                     = "llvm_instr_end"
external instr_pred : llvalue -> (llbasicblock, llvalue) llrev_pos
                     = "llvm_instr_pred"

let rec iter_instrs_range f i e =
  if i = e then () else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
  | Before i ->
      f i;
      iter_instrs_range f (instr_succ i) e

let iter_instrs f bb =
  iter_instrs_range f (instr_begin bb) (At_end bb)

let rec fold_left_instrs_range f init i e =
  if i = e then init else
  match i with
  | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
  | Before i -> fold_left_instrs_range f (f init i) (instr_succ i) e

let fold_left_instrs f init bb =
  fold_left_instrs_range f init (instr_begin bb) (At_end bb)

let rec rev_iter_instrs_range f i e =
  if i = e then () else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
  | After i ->
      f i;
      rev_iter_instrs_range f (instr_pred i) e

let rev_iter_instrs f bb =
  rev_iter_instrs_range f (instr_end bb) (At_start bb)

let rec fold_right_instr_range f i e init =
  if i = e then init else
  match i with
  | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
  | After i -> fold_right_instr_range f (instr_pred i) e (f i init)

let fold_right_instrs f bb init =
  fold_right_instr_range f (instr_end bb) (At_start bb) init


(*--... Operations on call sites ...........................................--*)
external instruction_call_conv: llvalue -> int
                              = "llvm_instruction_call_conv"
external set_instruction_call_conv: int -> llvalue -> unit
                                  = "llvm_set_instruction_call_conv"

external llvm_add_instruction_param_attr : llvalue -> int -> int -> unit
                                         = "llvm_add_instruction_param_attr"
external llvm_remove_instruction_param_attr : llvalue -> int -> int -> unit
                                         = "llvm_remove_instruction_param_attr"

let add_instruction_param_attr llval i attr =
  llvm_add_instruction_param_attr llval i (pack_attr attr)

let remove_instruction_param_attr llval i attr =
  llvm_remove_instruction_param_attr llval i (pack_attr attr)

(*--... Operations on call instructions (only) .............................--*)
external is_tail_call : llvalue -> bool = "llvm_is_tail_call"
external set_tail_call : bool -> llvalue -> unit = "llvm_set_tail_call"

(*--... Operations on phi nodes ............................................--*)
external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
                      = "llvm_add_incoming"
external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"


(*===-- Instruction builders ----------------------------------------------===*)
external builder : llcontext -> llbuilder = "llvm_builder"
external position_builder : (llbasicblock, llvalue) llpos -> llbuilder -> unit
                          = "llvm_position_builder"
external insertion_block : llbuilder -> llbasicblock = "llvm_insertion_block"
external insert_into_builder : llvalue -> string -> llbuilder -> unit
                             = "llvm_insert_into_builder"

let builder_at context ip =
  let b = builder context in
  position_builder ip b;
  b

let builder_before context i = builder_at context (Before i)
let builder_at_end context bb = builder_at context (At_end bb)

let position_before i = position_builder (Before i)
let position_at_end bb = position_builder (At_end bb)


(*--... Metadata ...........................................................--*)
external set_current_debug_location : llbuilder -> llvalue -> unit
                                    = "llvm_set_current_debug_location"
external clear_current_debug_location : llbuilder -> unit
                                      = "llvm_clear_current_debug_location"
external current_debug_location : llbuilder -> llvalue option
                                    = "llvm_current_debug_location"
external set_inst_debug_location : llbuilder -> llvalue -> unit
                                 = "llvm_set_inst_debug_location"


(*--... Terminators ........................................................--*)
external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
external build_aggregate_ret : llvalue array -> llbuilder -> llvalue
                             = "llvm_build_aggregate_ret"
external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
                         llvalue = "llvm_build_cond_br"
external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
                      = "llvm_build_switch"
external add_case : llvalue -> llvalue -> llbasicblock -> unit
                  = "llvm_add_case"
external build_indirect_br : llvalue -> int -> llbuilder -> llvalue
                           = "llvm_build_indirect_br"
external add_destination : llvalue -> llbasicblock -> unit
                         = "llvm_add_destination"
external build_invoke : llvalue -> llvalue array -> llbasicblock ->
                        llbasicblock -> string -> llbuilder -> llvalue
                      = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
external build_unwind : llbuilder -> llvalue = "llvm_build_unwind"
external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"

(*--... Arithmetic .........................................................--*)
external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
                   = "llvm_build_add"
external build_nsw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_nsw_add"
external build_nuw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_nuw_add"
external build_fadd : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_fadd"
external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
                   = "llvm_build_sub"
external build_nsw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_nsw_sub"
external build_nuw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_nuw_sub"
external build_fsub : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_fsub"
external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
                   = "llvm_build_mul"
external build_nsw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_nsw_mul"
external build_nuw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_nuw_mul"
external build_fmul : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_fmul"
external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_udiv"
external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_sdiv"
external build_exact_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
                          = "llvm_build_exact_sdiv"
external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_fdiv"
external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_urem"
external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_srem"
external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_frem"
external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
                   = "llvm_build_shl"
external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_lshr"
external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_ashr"
external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
                   = "llvm_build_and"
external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
                  = "llvm_build_or"
external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
                   = "llvm_build_xor"
external build_neg : llvalue -> string -> llbuilder -> llvalue
                   = "llvm_build_neg"
external build_nsw_neg : llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_nsw_neg"
external build_nuw_neg : llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_nuw_neg"
external build_fneg : llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_fneg"
external build_not : llvalue -> string -> llbuilder -> llvalue
                   = "llvm_build_not"

(*--... Memory .............................................................--*)
external build_alloca : lltype -> string -> llbuilder -> llvalue
                      = "llvm_build_alloca"
external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
                              llvalue = "llvm_build_array_alloca"
external build_load : llvalue -> string -> llbuilder -> llvalue
                    = "llvm_build_load"
external build_store : llvalue -> llvalue -> llbuilder -> llvalue
                     = "llvm_build_store"
external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
                   = "llvm_build_gep"
external build_in_bounds_gep : llvalue -> llvalue array -> string ->
                             llbuilder -> llvalue = "llvm_build_in_bounds_gep"
external build_struct_gep : llvalue -> int -> string -> llbuilder -> llvalue
                         = "llvm_build_struct_gep"

external build_global_string : string -> string -> llbuilder -> llvalue
                             = "llvm_build_global_string"
external build_global_stringptr  : string -> string -> llbuilder -> llvalue
                                 = "llvm_build_global_stringptr"

(*--... Casts ..............................................................--*)
external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
                     = "llvm_build_trunc"
external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
                    = "llvm_build_zext"
external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
                    = "llvm_build_sext"
external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
                      = "llvm_build_fptoui"
external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
                      = "llvm_build_fptosi"
external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
                      = "llvm_build_uitofp"
external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
                      = "llvm_build_sitofp"
external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
                       = "llvm_build_fptrunc"
external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
                     = "llvm_build_fpext"
external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
                        = "llvm_build_prttoint"
external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
                        = "llvm_build_inttoptr"
external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
                       = "llvm_build_bitcast"
external build_zext_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
                                 llvalue = "llvm_build_zext_or_bitcast"
external build_sext_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
                                 llvalue = "llvm_build_sext_or_bitcast"
external build_trunc_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
                                  llvalue = "llvm_build_trunc_or_bitcast"
external build_pointercast : llvalue -> lltype -> string -> llbuilder -> llvalue
                           = "llvm_build_pointercast"
external build_intcast : llvalue -> lltype -> string -> llbuilder -> llvalue
                       = "llvm_build_intcast"
external build_fpcast : llvalue -> lltype -> string -> llbuilder -> llvalue
                      = "llvm_build_fpcast"

(*--... Comparisons ........................................................--*)
external build_icmp : Icmp.t -> llvalue -> llvalue -> string ->
                      llbuilder -> llvalue = "llvm_build_icmp"
external build_fcmp : Fcmp.t -> llvalue -> llvalue -> string ->
                      llbuilder -> llvalue = "llvm_build_fcmp"

(*--... Miscellaneous instructions .........................................--*)
external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
                     llvalue = "llvm_build_phi"
external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
                    = "llvm_build_call"
external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
                        llvalue = "llvm_build_select"
external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
                      = "llvm_build_va_arg"
external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
                                llvalue = "llvm_build_extractelement"
external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
                               llbuilder -> llvalue = "llvm_build_insertelement"
external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
                               llbuilder -> llvalue = "llvm_build_shufflevector"
external build_extractvalue : llvalue -> int -> string -> llbuilder -> llvalue
                            = "llvm_build_extractvalue"
external build_insertvalue : llvalue -> llvalue -> int -> string -> llbuilder ->
                             llvalue = "llvm_build_insertvalue"

external build_is_null : llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_is_null"
external build_is_not_null : llvalue -> string -> llbuilder -> llvalue
                           = "llvm_build_is_not_null"
external build_ptrdiff : llvalue -> llvalue -> string -> llbuilder -> llvalue
                       = "llvm_build_ptrdiff"


(*===-- Memory buffers ----------------------------------------------------===*)

module MemoryBuffer = struct
  external of_file : string -> llmemorybuffer = "llvm_memorybuffer_of_file"
  external of_stdin : unit -> llmemorybuffer = "llvm_memorybuffer_of_stdin"
  external dispose : llmemorybuffer -> unit = "llvm_memorybuffer_dispose"
end


(*===-- Pass Manager ------------------------------------------------------===*)

module PassManager = struct
  type 'a t
  type any = [ `Module | `Function ]
  external create : unit -> [ `Module ] t = "llvm_passmanager_create"
  external create_function : llmodule -> [ `Function ] t
                           = "LLVMCreateFunctionPassManager"
  external run_module : llmodule -> [ `Module ] t -> bool
                      = "llvm_passmanager_run_module"
  external initialize : [ `Function ] t -> bool = "llvm_passmanager_initialize"
  external run_function : llvalue -> [ `Function ] t -> bool
                        = "llvm_passmanager_run_function"
  external finalize : [ `Function ] t -> bool = "llvm_passmanager_finalize"
  external dispose : [< any ] t -> unit = "llvm_passmanager_dispose"
end


(*===-- Non-Externs -------------------------------------------------------===*)
(* These functions are built using the externals, so must be declared late.   *)

let concat2 sep arr =
  let s = ref "" in
  if 0 < Array.length arr then begin
    s := !s ^ arr.(0);
    for i = 1 to (Array.length arr) - 1 do
      s := !s ^ sep ^ arr.(i)
    done
  end;
  !s

let rec string_of_lltype ty =
  (* FIXME: stop infinite recursion! :) *)
  match classify_type ty with
    TypeKind.Integer -> "i" ^ string_of_int (integer_bitwidth ty)
  | TypeKind.Pointer -> (string_of_lltype (element_type ty)) ^ "*"
  | TypeKind.Struct ->
      let s = "{ " ^ (concat2 ", " (
                Array.map string_of_lltype (struct_element_types ty)
              )) ^ " }" in
      if is_packed ty
        then "<" ^ s ^ ">"
        else s
  | TypeKind.Array -> "["   ^ (string_of_int (array_length ty)) ^
                      " x " ^ (string_of_lltype (element_type ty)) ^ "]"
  | TypeKind.Vector -> "<"   ^ (string_of_int (vector_size ty)) ^
                       " x " ^ (string_of_lltype (element_type ty)) ^ ">"
  | TypeKind.Opaque -> "opaque"
  | TypeKind.Function -> string_of_lltype (return_type ty) ^
                         " (" ^ (concat2 ", " (
                           Array.map string_of_lltype (param_types ty)
                         )) ^ ")"
  | TypeKind.Label -> "label"
  | TypeKind.Ppc_fp128 -> "ppc_fp128"
  | TypeKind.Fp128 -> "fp128"
  | TypeKind.X86fp80 -> "x86_fp80"
  | TypeKind.Double -> "double"
  | TypeKind.Float -> "float"
  | TypeKind.Void -> "void"
  | TypeKind.Metadata -> "metadata"