1 (*===-- llvm/llvm.ml - LLVM Ocaml Interface --------------------------------===*
3 * The LLVM Compiler Infrastructure
5 * This file is distributed under the University of Illinois Open Source
6 * License. See LICENSE.TXT for details.
8 *===----------------------------------------------------------------------===*)
20 module TypeKind = struct
40 module Linkage = struct
43 | Available_externally
46 | Link_once_odr_auto_hide
61 module Visibility = struct
68 module CallConv = struct
76 module Attribute = struct
100 | Stackalignment of int
140 module Opcode = struct
142 | Invalid (* not an instruction *)
143 (* Terminator Instructions *)
151 (* Standard Binary Operators *)
164 (* Logical Operators *)
171 (* Memory Operators *)
189 (* Other Operators *)
210 module LandingPadClauseTy = struct
216 module ThreadLocalMode = struct
225 module AtomicOrdering = struct
234 | SequentiallyConsistent
237 module AtomicRMWBinOp = struct
252 module ValueKind = struct
261 | ConstantAggregateZero
266 | ConstantPointerNull
273 | Instruction of Opcode.t
276 exception IoError of string
278 external register_exns : exn -> unit = "llvm_register_core_exns"
279 let _ = register_exns (IoError "")
281 type ('a, 'b) llpos =
285 type ('a, 'b) llrev_pos =
289 (*===-- Contexts ----------------------------------------------------------===*)
290 external create_context : unit -> llcontext = "llvm_create_context"
291 external dispose_context : llcontext -> unit = "llvm_dispose_context"
292 external global_context : unit -> llcontext = "llvm_global_context"
293 external mdkind_id : llcontext -> string -> int = "llvm_mdkind_id"
295 (*===-- Modules -----------------------------------------------------------===*)
296 external create_module : llcontext -> string -> llmodule = "llvm_create_module"
297 external dispose_module : llmodule -> unit = "llvm_dispose_module"
298 external target_triple: llmodule -> string
299 = "llvm_target_triple"
300 external set_target_triple: string -> llmodule -> unit
301 = "llvm_set_target_triple"
302 external data_layout: llmodule -> string
304 external set_data_layout: string -> llmodule -> unit
305 = "llvm_set_data_layout"
306 external dump_module : llmodule -> unit = "llvm_dump_module"
307 external print_module : string -> llmodule -> unit = "llvm_print_module"
308 external string_of_llmodule : llmodule -> string = "llvm_string_of_llmodule"
309 external set_module_inline_asm : llmodule -> string -> unit
310 = "llvm_set_module_inline_asm"
311 external module_context : llmodule -> llcontext = "LLVMGetModuleContext"
313 (*===-- Types -------------------------------------------------------------===*)
314 external classify_type : lltype -> TypeKind.t = "llvm_classify_type"
315 external type_context : lltype -> llcontext = "llvm_type_context"
316 external type_is_sized : lltype -> bool = "llvm_type_is_sized"
317 external dump_type : lltype -> unit = "llvm_dump_type"
318 external string_of_lltype : lltype -> string = "llvm_string_of_lltype"
320 (*--... Operations on integer types ........................................--*)
321 external i1_type : llcontext -> lltype = "llvm_i1_type"
322 external i8_type : llcontext -> lltype = "llvm_i8_type"
323 external i16_type : llcontext -> lltype = "llvm_i16_type"
324 external i32_type : llcontext -> lltype = "llvm_i32_type"
325 external i64_type : llcontext -> lltype = "llvm_i64_type"
327 external integer_type : llcontext -> int -> lltype = "llvm_integer_type"
328 external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"
330 (*--... Operations on real types ...........................................--*)
331 external float_type : llcontext -> lltype = "llvm_float_type"
332 external double_type : llcontext -> lltype = "llvm_double_type"
333 external x86fp80_type : llcontext -> lltype = "llvm_x86fp80_type"
334 external fp128_type : llcontext -> lltype = "llvm_fp128_type"
335 external ppc_fp128_type : llcontext -> lltype = "llvm_ppc_fp128_type"
337 (*--... Operations on function types .......................................--*)
338 external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
339 external var_arg_function_type : lltype -> lltype array -> lltype
340 = "llvm_var_arg_function_type"
341 external is_var_arg : lltype -> bool = "llvm_is_var_arg"
342 external return_type : lltype -> lltype = "LLVMGetReturnType"
343 external param_types : lltype -> lltype array = "llvm_param_types"
345 (*--... Operations on struct types .........................................--*)
346 external struct_type : llcontext -> lltype array -> lltype = "llvm_struct_type"
347 external packed_struct_type : llcontext -> lltype array -> lltype
348 = "llvm_packed_struct_type"
349 external struct_name : lltype -> string option = "llvm_struct_name"
350 external named_struct_type : llcontext -> string -> lltype =
351 "llvm_named_struct_type"
352 external struct_set_body : lltype -> lltype array -> bool -> unit =
353 "llvm_struct_set_body"
354 external struct_element_types : lltype -> lltype array
355 = "llvm_struct_element_types"
356 external is_packed : lltype -> bool = "llvm_is_packed"
357 external is_opaque : lltype -> bool = "llvm_is_opaque"
359 (*--... Operations on pointer, vector, and array types .....................--*)
360 external array_type : lltype -> int -> lltype = "llvm_array_type"
361 external pointer_type : lltype -> lltype = "llvm_pointer_type"
362 external qualified_pointer_type : lltype -> int -> lltype
363 = "llvm_qualified_pointer_type"
364 external vector_type : lltype -> int -> lltype = "llvm_vector_type"
366 external element_type : lltype -> lltype = "LLVMGetElementType"
367 external array_length : lltype -> int = "llvm_array_length"
368 external address_space : lltype -> int = "llvm_address_space"
369 external vector_size : lltype -> int = "llvm_vector_size"
371 (*--... Operations on other types ..........................................--*)
372 external void_type : llcontext -> lltype = "llvm_void_type"
373 external label_type : llcontext -> lltype = "llvm_label_type"
374 external x86_mmx_type : llcontext -> lltype = "llvm_x86_mmx_type"
375 external type_by_name : llmodule -> string -> lltype option = "llvm_type_by_name"
377 external classify_value : llvalue -> ValueKind.t = "llvm_classify_value"
378 (*===-- Values ------------------------------------------------------------===*)
379 external type_of : llvalue -> lltype = "llvm_type_of"
380 external value_name : llvalue -> string = "llvm_value_name"
381 external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
382 external dump_value : llvalue -> unit = "llvm_dump_value"
383 external replace_all_uses_with : llvalue -> llvalue -> unit
384 = "llvm_replace_all_uses_with"
386 (*--... Operations on uses .................................................--*)
387 external use_begin : llvalue -> lluse option = "llvm_use_begin"
388 external use_succ : lluse -> lluse option = "llvm_use_succ"
389 external user : lluse -> llvalue = "llvm_user"
390 external used_value : lluse -> llvalue = "llvm_used_value"
393 let rec aux = function
401 let fold_left_uses f init v =
405 | Some u -> aux (f init u) (use_succ u)
407 aux init (use_begin v)
409 let fold_right_uses f v init =
413 | Some u -> f u (aux (use_succ u) init)
415 aux (use_begin v) init
418 (*--... Operations on users ................................................--*)
419 external operand : llvalue -> int -> llvalue = "llvm_operand"
420 external set_operand : llvalue -> int -> llvalue -> unit = "llvm_set_operand"
421 external num_operands : llvalue -> int = "llvm_num_operands"
423 (*--... Operations on constants of (mostly) any type .......................--*)
424 external is_constant : llvalue -> bool = "llvm_is_constant"
425 external const_null : lltype -> llvalue = "LLVMConstNull"
426 external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
427 external const_pointer_null : lltype -> llvalue = "LLVMConstPointerNull"
428 external undef : lltype -> llvalue = "LLVMGetUndef"
429 external is_null : llvalue -> bool = "llvm_is_null"
430 external is_undef : llvalue -> bool = "llvm_is_undef"
431 external constexpr_opcode : llvalue -> Opcode.t = "llvm_constexpr_get_opcode"
433 (*--... Operations on instructions .........................................--*)
434 external has_metadata : llvalue -> bool = "llvm_has_metadata"
435 external metadata : llvalue -> int -> llvalue option = "llvm_metadata"
436 external set_metadata : llvalue -> int -> llvalue -> unit = "llvm_set_metadata"
437 external clear_metadata : llvalue -> int -> unit = "llvm_clear_metadata"
439 (*--... Operations on metadata .......,.....................................--*)
440 external mdstring : llcontext -> string -> llvalue = "llvm_mdstring"
441 external mdnode : llcontext -> llvalue array -> llvalue = "llvm_mdnode"
442 external get_mdstring : llvalue -> string option = "llvm_get_mdstring"
443 external get_named_metadata : llmodule -> string -> llvalue array
445 external add_named_metadata_operand : llmodule -> string -> llvalue -> unit
446 = "llvm_append_namedmd"
448 (*--... Operations on scalar constants .....................................--*)
449 external const_int : lltype -> int -> llvalue = "llvm_const_int"
450 external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
451 = "llvm_const_of_int64"
452 external int64_of_const : llvalue -> Int64.t option
453 = "llvm_int64_of_const"
454 external const_int_of_string : lltype -> string -> int -> llvalue
455 = "llvm_const_int_of_string"
456 external const_float : lltype -> float -> llvalue = "llvm_const_float"
457 external const_float_of_string : lltype -> string -> llvalue
458 = "llvm_const_float_of_string"
460 (*--... Operations on composite constants ..................................--*)
461 external const_string : llcontext -> string -> llvalue = "llvm_const_string"
462 external const_stringz : llcontext -> string -> llvalue = "llvm_const_stringz"
463 external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
464 external const_struct : llcontext -> llvalue array -> llvalue
465 = "llvm_const_struct"
466 external const_named_struct : lltype -> llvalue array -> llvalue
467 = "llvm_const_named_struct"
468 external const_packed_struct : llcontext -> llvalue array -> llvalue
469 = "llvm_const_packed_struct"
470 external const_vector : llvalue array -> llvalue = "llvm_const_vector"
472 (*--... Constant expressions ...............................................--*)
473 external align_of : lltype -> llvalue = "LLVMAlignOf"
474 external size_of : lltype -> llvalue = "LLVMSizeOf"
475 external const_neg : llvalue -> llvalue = "LLVMConstNeg"
476 external const_nsw_neg : llvalue -> llvalue = "LLVMConstNSWNeg"
477 external const_nuw_neg : llvalue -> llvalue = "LLVMConstNUWNeg"
478 external const_fneg : llvalue -> llvalue = "LLVMConstFNeg"
479 external const_not : llvalue -> llvalue = "LLVMConstNot"
480 external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
481 external const_nsw_add : llvalue -> llvalue -> llvalue = "LLVMConstNSWAdd"
482 external const_nuw_add : llvalue -> llvalue -> llvalue = "LLVMConstNUWAdd"
483 external const_fadd : llvalue -> llvalue -> llvalue = "LLVMConstFAdd"
484 external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
485 external const_nsw_sub : llvalue -> llvalue -> llvalue = "LLVMConstNSWSub"
486 external const_nuw_sub : llvalue -> llvalue -> llvalue = "LLVMConstNUWSub"
487 external const_fsub : llvalue -> llvalue -> llvalue = "LLVMConstFSub"
488 external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
489 external const_nsw_mul : llvalue -> llvalue -> llvalue = "LLVMConstNSWMul"
490 external const_nuw_mul : llvalue -> llvalue -> llvalue = "LLVMConstNUWMul"
491 external const_fmul : llvalue -> llvalue -> llvalue = "LLVMConstFMul"
492 external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
493 external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
494 external const_exact_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstExactSDiv"
495 external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
496 external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
497 external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
498 external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
499 external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
500 external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
501 external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
502 external const_icmp : Icmp.t -> llvalue -> llvalue -> llvalue
504 external const_fcmp : Fcmp.t -> llvalue -> llvalue -> llvalue
506 external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
507 external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
508 external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
509 external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
510 external const_in_bounds_gep : llvalue -> llvalue array -> llvalue
511 = "llvm_const_in_bounds_gep"
512 external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
513 external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
514 external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
515 external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
516 external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
517 external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
518 external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
519 external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
520 external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
521 external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
522 external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
523 external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
524 external const_zext_or_bitcast : llvalue -> lltype -> llvalue
525 = "LLVMConstZExtOrBitCast"
526 external const_sext_or_bitcast : llvalue -> lltype -> llvalue
527 = "LLVMConstSExtOrBitCast"
528 external const_trunc_or_bitcast : llvalue -> lltype -> llvalue
529 = "LLVMConstTruncOrBitCast"
530 external const_pointercast : llvalue -> lltype -> llvalue
531 = "LLVMConstPointerCast"
532 external const_intcast : llvalue -> lltype -> llvalue = "LLVMConstIntCast"
533 external const_fpcast : llvalue -> lltype -> llvalue = "LLVMConstFPCast"
534 external const_select : llvalue -> llvalue -> llvalue -> llvalue
536 external const_extractelement : llvalue -> llvalue -> llvalue
537 = "LLVMConstExtractElement"
538 external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
539 = "LLVMConstInsertElement"
540 external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
541 = "LLVMConstShuffleVector"
542 external const_extractvalue : llvalue -> int array -> llvalue
543 = "llvm_const_extractvalue"
544 external const_insertvalue : llvalue -> llvalue -> int array -> llvalue
545 = "llvm_const_insertvalue"
546 external const_inline_asm : lltype -> string -> string -> bool -> bool ->
548 = "llvm_const_inline_asm"
549 external block_address : llvalue -> llbasicblock -> llvalue = "LLVMBlockAddress"
551 (*--... Operations on global variables, functions, and aliases (globals) ...--*)
552 external global_parent : llvalue -> llmodule = "LLVMGetGlobalParent"
553 external is_declaration : llvalue -> bool = "llvm_is_declaration"
554 external linkage : llvalue -> Linkage.t = "llvm_linkage"
555 external set_linkage : Linkage.t -> llvalue -> unit = "llvm_set_linkage"
556 external section : llvalue -> string = "llvm_section"
557 external set_section : string -> llvalue -> unit = "llvm_set_section"
558 external visibility : llvalue -> Visibility.t = "llvm_visibility"
559 external set_visibility : Visibility.t -> llvalue -> unit = "llvm_set_visibility"
560 external alignment : llvalue -> int = "llvm_alignment"
561 external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
562 external is_global_constant : llvalue -> bool = "llvm_is_global_constant"
563 external set_global_constant : bool -> llvalue -> unit
564 = "llvm_set_global_constant"
566 (*--... Operations on global variables .....................................--*)
567 external declare_global : lltype -> string -> llmodule -> llvalue
568 = "llvm_declare_global"
569 external declare_qualified_global : lltype -> string -> int -> llmodule ->
571 = "llvm_declare_qualified_global"
572 external define_global : string -> llvalue -> llmodule -> llvalue
573 = "llvm_define_global"
574 external define_qualified_global : string -> llvalue -> int -> llmodule ->
576 = "llvm_define_qualified_global"
577 external lookup_global : string -> llmodule -> llvalue option
578 = "llvm_lookup_global"
579 external delete_global : llvalue -> unit = "llvm_delete_global"
580 external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
581 external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
582 external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
583 external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
584 external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
585 external thread_local_mode : llvalue -> ThreadLocalMode.t
586 = "llvm_thread_local_mode"
587 external set_thread_local_mode : ThreadLocalMode.t -> llvalue -> unit
588 = "llvm_set_thread_local_mode"
589 external is_externally_initialized : llvalue -> bool
590 = "llvm_is_externally_initialized"
591 external set_externally_initialized : bool -> llvalue -> unit
592 = "llvm_set_externally_initialized"
593 external global_begin : llmodule -> (llmodule, llvalue) llpos
594 = "llvm_global_begin"
595 external global_succ : llvalue -> (llmodule, llvalue) llpos
597 external global_end : llmodule -> (llmodule, llvalue) llrev_pos
599 external global_pred : llvalue -> (llmodule, llvalue) llrev_pos
602 let rec iter_global_range f i e =
603 if i = e then () else
605 | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
608 iter_global_range f (global_succ bb) e
610 let iter_globals f m =
611 iter_global_range f (global_begin m) (At_end m)
613 let rec fold_left_global_range f init i e =
614 if i = e then init else
616 | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
617 | Before bb -> fold_left_global_range f (f init bb) (global_succ bb) e
619 let fold_left_globals f init m =
620 fold_left_global_range f init (global_begin m) (At_end m)
622 let rec rev_iter_global_range f i e =
623 if i = e then () else
625 | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
628 rev_iter_global_range f (global_pred bb) e
630 let rev_iter_globals f m =
631 rev_iter_global_range f (global_end m) (At_start m)
633 let rec fold_right_global_range f i e init =
634 if i = e then init else
636 | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
637 | After bb -> fold_right_global_range f (global_pred bb) e (f bb init)
639 let fold_right_globals f m init =
640 fold_right_global_range f (global_end m) (At_start m) init
642 (*--... Operations on aliases ..............................................--*)
643 external add_alias : llmodule -> lltype -> llvalue -> string -> llvalue
646 (*--... Operations on functions ............................................--*)
647 external declare_function : string -> lltype -> llmodule -> llvalue
648 = "llvm_declare_function"
649 external define_function : string -> lltype -> llmodule -> llvalue
650 = "llvm_define_function"
651 external lookup_function : string -> llmodule -> llvalue option
652 = "llvm_lookup_function"
653 external delete_function : llvalue -> unit = "llvm_delete_function"
654 external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
655 external function_call_conv : llvalue -> int = "llvm_function_call_conv"
656 external set_function_call_conv : int -> llvalue -> unit
657 = "llvm_set_function_call_conv"
658 external gc : llvalue -> string option = "llvm_gc"
659 external set_gc : string option -> llvalue -> unit = "llvm_set_gc"
660 external function_begin : llmodule -> (llmodule, llvalue) llpos
661 = "llvm_function_begin"
662 external function_succ : llvalue -> (llmodule, llvalue) llpos
663 = "llvm_function_succ"
664 external function_end : llmodule -> (llmodule, llvalue) llrev_pos
665 = "llvm_function_end"
666 external function_pred : llvalue -> (llmodule, llvalue) llrev_pos
667 = "llvm_function_pred"
669 let rec iter_function_range f i e =
670 if i = e then () else
672 | At_end _ -> raise (Invalid_argument "Invalid function range.")
675 iter_function_range f (function_succ fn) e
677 let iter_functions f m =
678 iter_function_range f (function_begin m) (At_end m)
680 let rec fold_left_function_range f init i e =
681 if i = e then init else
683 | At_end _ -> raise (Invalid_argument "Invalid function range.")
684 | Before fn -> fold_left_function_range f (f init fn) (function_succ fn) e
686 let fold_left_functions f init m =
687 fold_left_function_range f init (function_begin m) (At_end m)
689 let rec rev_iter_function_range f i e =
690 if i = e then () else
692 | At_start _ -> raise (Invalid_argument "Invalid function range.")
695 rev_iter_function_range f (function_pred fn) e
697 let rev_iter_functions f m =
698 rev_iter_function_range f (function_end m) (At_start m)
700 let rec fold_right_function_range f i e init =
701 if i = e then init else
703 | At_start _ -> raise (Invalid_argument "Invalid function range.")
704 | After fn -> fold_right_function_range f (function_pred fn) e (f fn init)
706 let fold_right_functions f m init =
707 fold_right_function_range f (function_end m) (At_start m) init
709 external llvm_add_function_attr : llvalue -> int32 -> unit
710 = "llvm_add_function_attr"
711 external llvm_remove_function_attr : llvalue -> int32 -> unit
712 = "llvm_remove_function_attr"
713 external llvm_function_attr : llvalue -> int32 = "llvm_function_attr"
715 let pack_attr (attr:Attribute.t) : int32 =
717 Attribute.Zext -> Int32.shift_left 1l 0
718 | Attribute.Sext -> Int32.shift_left 1l 1
719 | Attribute.Noreturn -> Int32.shift_left 1l 2
720 | Attribute.Inreg -> Int32.shift_left 1l 3
721 | Attribute.Structret -> Int32.shift_left 1l 4
722 | Attribute.Nounwind -> Int32.shift_left 1l 5
723 | Attribute.Noalias -> Int32.shift_left 1l 6
724 | Attribute.Byval -> Int32.shift_left 1l 7
725 | Attribute.Nest -> Int32.shift_left 1l 8
726 | Attribute.Readnone -> Int32.shift_left 1l 9
727 | Attribute.Readonly -> Int32.shift_left 1l 10
728 | Attribute.Noinline -> Int32.shift_left 1l 11
729 | Attribute.Alwaysinline -> Int32.shift_left 1l 12
730 | Attribute.Optsize -> Int32.shift_left 1l 13
731 | Attribute.Ssp -> Int32.shift_left 1l 14
732 | Attribute.Sspreq -> Int32.shift_left 1l 15
733 | Attribute.Alignment n -> Int32.shift_left (Int32.of_int n) 16
734 | Attribute.Nocapture -> Int32.shift_left 1l 21
735 | Attribute.Noredzone -> Int32.shift_left 1l 22
736 | Attribute.Noimplicitfloat -> Int32.shift_left 1l 23
737 | Attribute.Naked -> Int32.shift_left 1l 24
738 | Attribute.Inlinehint -> Int32.shift_left 1l 25
739 | Attribute.Stackalignment n -> Int32.shift_left (Int32.of_int n) 26
740 | Attribute.ReturnsTwice -> Int32.shift_left 1l 29
741 | Attribute.UWTable -> Int32.shift_left 1l 30
742 | Attribute.NonLazyBind -> Int32.shift_left 1l 31
744 let unpack_attr (a : int32) : Attribute.t list =
747 Int32.logand (pack_attr attr) a in
749 if (check attr) <> 0l then begin
753 checkattr Attribute.Zext;
754 checkattr Attribute.Sext;
755 checkattr Attribute.Noreturn;
756 checkattr Attribute.Inreg;
757 checkattr Attribute.Structret;
758 checkattr Attribute.Nounwind;
759 checkattr Attribute.Noalias;
760 checkattr Attribute.Byval;
761 checkattr Attribute.Nest;
762 checkattr Attribute.Readnone;
763 checkattr Attribute.Readonly;
764 checkattr Attribute.Noinline;
765 checkattr Attribute.Alwaysinline;
766 checkattr Attribute.Optsize;
767 checkattr Attribute.Ssp;
768 checkattr Attribute.Sspreq;
769 let align = Int32.logand (Int32.shift_right_logical a 16) 31l in
771 l := Attribute.Alignment (Int32.to_int align) :: !l;
772 checkattr Attribute.Nocapture;
773 checkattr Attribute.Noredzone;
774 checkattr Attribute.Noimplicitfloat;
775 checkattr Attribute.Naked;
776 checkattr Attribute.Inlinehint;
777 let stackalign = Int32.logand (Int32.shift_right_logical a 26) 7l in
778 if stackalign <> 0l then
779 l := Attribute.Stackalignment (Int32.to_int stackalign) :: !l;
780 checkattr Attribute.ReturnsTwice;
781 checkattr Attribute.UWTable;
782 checkattr Attribute.NonLazyBind;
785 let add_function_attr llval attr =
786 llvm_add_function_attr llval (pack_attr attr)
788 external add_target_dependent_function_attr
789 : llvalue -> string -> string -> unit
790 = "llvm_add_target_dependent_function_attr"
792 let remove_function_attr llval attr =
793 llvm_remove_function_attr llval (pack_attr attr)
795 let function_attr f = unpack_attr (llvm_function_attr f)
797 (*--... Operations on params ...............................................--*)
798 external params : llvalue -> llvalue array = "llvm_params"
799 external param : llvalue -> int -> llvalue = "llvm_param"
800 external llvm_param_attr : llvalue -> int32 = "llvm_param_attr"
801 let param_attr p = unpack_attr (llvm_param_attr p)
802 external param_parent : llvalue -> llvalue = "LLVMGetParamParent"
803 external param_begin : llvalue -> (llvalue, llvalue) llpos = "llvm_param_begin"
804 external param_succ : llvalue -> (llvalue, llvalue) llpos = "llvm_param_succ"
805 external param_end : llvalue -> (llvalue, llvalue) llrev_pos = "llvm_param_end"
806 external param_pred : llvalue -> (llvalue, llvalue) llrev_pos ="llvm_param_pred"
808 let rec iter_param_range f i e =
809 if i = e then () else
811 | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
814 iter_param_range f (param_succ p) e
816 let iter_params f fn =
817 iter_param_range f (param_begin fn) (At_end fn)
819 let rec fold_left_param_range f init i e =
820 if i = e then init else
822 | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
823 | Before p -> fold_left_param_range f (f init p) (param_succ p) e
825 let fold_left_params f init fn =
826 fold_left_param_range f init (param_begin fn) (At_end fn)
828 let rec rev_iter_param_range f i e =
829 if i = e then () else
831 | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
834 rev_iter_param_range f (param_pred p) e
836 let rev_iter_params f fn =
837 rev_iter_param_range f (param_end fn) (At_start fn)
839 let rec fold_right_param_range f init i e =
840 if i = e then init else
842 | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
843 | After p -> fold_right_param_range f (f p init) (param_pred p) e
845 let fold_right_params f fn init =
846 fold_right_param_range f init (param_end fn) (At_start fn)
848 external llvm_add_param_attr : llvalue -> int32 -> unit
849 = "llvm_add_param_attr"
850 external llvm_remove_param_attr : llvalue -> int32 -> unit
851 = "llvm_remove_param_attr"
853 let add_param_attr llval attr =
854 llvm_add_param_attr llval (pack_attr attr)
856 let remove_param_attr llval attr =
857 llvm_remove_param_attr llval (pack_attr attr)
859 external set_param_alignment : llvalue -> int -> unit
860 = "llvm_set_param_alignment"
862 (*--... Operations on basic blocks .........................................--*)
863 external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
864 external value_is_block : llvalue -> bool = "llvm_value_is_block"
865 external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
866 external block_parent : llbasicblock -> llvalue = "LLVMGetBasicBlockParent"
867 external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
868 external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
869 external delete_block : llbasicblock -> unit = "llvm_delete_block"
870 external remove_block : llbasicblock -> unit = "llvm_remove_block"
871 external move_block_before : llbasicblock -> llbasicblock -> unit
872 = "llvm_move_block_before"
873 external move_block_after : llbasicblock -> llbasicblock -> unit
874 = "llvm_move_block_after"
875 external append_block : llcontext -> string -> llvalue -> llbasicblock
876 = "llvm_append_block"
877 external insert_block : llcontext -> string -> llbasicblock -> llbasicblock
878 = "llvm_insert_block"
879 external block_begin : llvalue -> (llvalue, llbasicblock) llpos
881 external block_succ : llbasicblock -> (llvalue, llbasicblock) llpos
883 external block_end : llvalue -> (llvalue, llbasicblock) llrev_pos
885 external block_pred : llbasicblock -> (llvalue, llbasicblock) llrev_pos
887 external block_terminator : llbasicblock -> llvalue option =
888 "llvm_block_terminator"
890 let rec iter_block_range f i e =
891 if i = e then () else
893 | At_end _ -> raise (Invalid_argument "Invalid block range.")
896 iter_block_range f (block_succ bb) e
898 let iter_blocks f fn =
899 iter_block_range f (block_begin fn) (At_end fn)
901 let rec fold_left_block_range f init i e =
902 if i = e then init else
904 | At_end _ -> raise (Invalid_argument "Invalid block range.")
905 | Before bb -> fold_left_block_range f (f init bb) (block_succ bb) e
907 let fold_left_blocks f init fn =
908 fold_left_block_range f init (block_begin fn) (At_end fn)
910 let rec rev_iter_block_range f i e =
911 if i = e then () else
913 | At_start _ -> raise (Invalid_argument "Invalid block range.")
916 rev_iter_block_range f (block_pred bb) e
918 let rev_iter_blocks f fn =
919 rev_iter_block_range f (block_end fn) (At_start fn)
921 let rec fold_right_block_range f init i e =
922 if i = e then init else
924 | At_start _ -> raise (Invalid_argument "Invalid block range.")
925 | After bb -> fold_right_block_range f (f bb init) (block_pred bb) e
927 let fold_right_blocks f fn init =
928 fold_right_block_range f init (block_end fn) (At_start fn)
930 (*--... Operations on instructions .........................................--*)
931 external instr_parent : llvalue -> llbasicblock = "LLVMGetInstructionParent"
932 external instr_begin : llbasicblock -> (llbasicblock, llvalue) llpos
934 external instr_succ : llvalue -> (llbasicblock, llvalue) llpos
936 external instr_end : llbasicblock -> (llbasicblock, llvalue) llrev_pos
938 external instr_pred : llvalue -> (llbasicblock, llvalue) llrev_pos
941 external instr_opcode : llvalue -> Opcode.t = "llvm_instr_get_opcode"
942 external icmp_predicate : llvalue -> Icmp.t option = "llvm_instr_icmp_predicate"
944 let rec iter_instrs_range f i e =
945 if i = e then () else
947 | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
950 iter_instrs_range f (instr_succ i) e
952 let iter_instrs f bb =
953 iter_instrs_range f (instr_begin bb) (At_end bb)
955 let rec fold_left_instrs_range f init i e =
956 if i = e then init else
958 | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
959 | Before i -> fold_left_instrs_range f (f init i) (instr_succ i) e
961 let fold_left_instrs f init bb =
962 fold_left_instrs_range f init (instr_begin bb) (At_end bb)
964 let rec rev_iter_instrs_range f i e =
965 if i = e then () else
967 | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
970 rev_iter_instrs_range f (instr_pred i) e
972 let rev_iter_instrs f bb =
973 rev_iter_instrs_range f (instr_end bb) (At_start bb)
975 let rec fold_right_instr_range f i e init =
976 if i = e then init else
978 | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
979 | After i -> fold_right_instr_range f (instr_pred i) e (f i init)
981 let fold_right_instrs f bb init =
982 fold_right_instr_range f (instr_end bb) (At_start bb) init
985 (*--... Operations on call sites ...........................................--*)
986 external instruction_call_conv: llvalue -> int
987 = "llvm_instruction_call_conv"
988 external set_instruction_call_conv: int -> llvalue -> unit
989 = "llvm_set_instruction_call_conv"
991 external llvm_add_instruction_param_attr : llvalue -> int -> int32 -> unit
992 = "llvm_add_instruction_param_attr"
993 external llvm_remove_instruction_param_attr : llvalue -> int -> int32 -> unit
994 = "llvm_remove_instruction_param_attr"
996 let add_instruction_param_attr llval i attr =
997 llvm_add_instruction_param_attr llval i (pack_attr attr)
999 let remove_instruction_param_attr llval i attr =
1000 llvm_remove_instruction_param_attr llval i (pack_attr attr)
1002 (*--... Operations on call instructions (only) .............................--*)
1003 external is_tail_call : llvalue -> bool = "llvm_is_tail_call"
1004 external set_tail_call : bool -> llvalue -> unit = "llvm_set_tail_call"
1006 (*--... Operations on load/store instructions (only) .......................--*)
1007 external is_volatile : llvalue -> bool = "llvm_is_volatile"
1008 external set_volatile : bool -> llvalue -> unit = "llvm_set_volatile"
1010 (*--... Operations on phi nodes ............................................--*)
1011 external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
1012 = "llvm_add_incoming"
1013 external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
1015 external delete_instruction : llvalue -> unit = "llvm_delete_instruction"
1017 (*===-- Instruction builders ----------------------------------------------===*)
1018 external builder : llcontext -> llbuilder = "llvm_builder"
1019 external position_builder : (llbasicblock, llvalue) llpos -> llbuilder -> unit
1020 = "llvm_position_builder"
1021 external insertion_block : llbuilder -> llbasicblock = "llvm_insertion_block"
1022 external insert_into_builder : llvalue -> string -> llbuilder -> unit
1023 = "llvm_insert_into_builder"
1025 let builder_at context ip =
1026 let b = builder context in
1027 position_builder ip b;
1030 let builder_before context i = builder_at context (Before i)
1031 let builder_at_end context bb = builder_at context (At_end bb)
1033 let position_before i = position_builder (Before i)
1034 let position_at_end bb = position_builder (At_end bb)
1037 (*--... Metadata ...........................................................--*)
1038 external set_current_debug_location : llbuilder -> llvalue -> unit
1039 = "llvm_set_current_debug_location"
1040 external clear_current_debug_location : llbuilder -> unit
1041 = "llvm_clear_current_debug_location"
1042 external current_debug_location : llbuilder -> llvalue option
1043 = "llvm_current_debug_location"
1044 external set_inst_debug_location : llbuilder -> llvalue -> unit
1045 = "llvm_set_inst_debug_location"
1048 (*--... Terminators ........................................................--*)
1049 external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
1050 external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
1051 external build_aggregate_ret : llvalue array -> llbuilder -> llvalue
1052 = "llvm_build_aggregate_ret"
1053 external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
1054 external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
1055 llvalue = "llvm_build_cond_br"
1056 external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
1057 = "llvm_build_switch"
1058 external build_malloc : lltype -> string -> llbuilder -> llvalue =
1060 external build_array_malloc : lltype -> llvalue -> string -> llbuilder ->
1061 llvalue = "llvm_build_array_malloc"
1062 external build_free : llvalue -> llbuilder -> llvalue = "llvm_build_free"
1063 external add_case : llvalue -> llvalue -> llbasicblock -> unit
1065 external switch_default_dest : llvalue -> llbasicblock =
1066 "LLVMGetSwitchDefaultDest"
1067 external build_indirect_br : llvalue -> int -> llbuilder -> llvalue
1068 = "llvm_build_indirect_br"
1069 external add_destination : llvalue -> llbasicblock -> unit
1070 = "llvm_add_destination"
1071 external build_invoke : llvalue -> llvalue array -> llbasicblock ->
1072 llbasicblock -> string -> llbuilder -> llvalue
1073 = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
1074 external build_landingpad : lltype -> llvalue -> int -> string -> llbuilder ->
1075 llvalue = "llvm_build_landingpad"
1076 external set_cleanup : llvalue -> bool -> unit = "llvm_set_cleanup"
1077 external add_clause : llvalue -> llvalue -> unit = "llvm_add_clause"
1078 external build_resume : llvalue -> llbuilder -> llvalue = "llvm_build_resume"
1079 external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"
1081 (*--... Arithmetic .........................................................--*)
1082 external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
1084 external build_nsw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
1085 = "llvm_build_nsw_add"
1086 external build_nuw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
1087 = "llvm_build_nuw_add"
1088 external build_fadd : llvalue -> llvalue -> string -> llbuilder -> llvalue
1090 external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
1092 external build_nsw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
1093 = "llvm_build_nsw_sub"
1094 external build_nuw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
1095 = "llvm_build_nuw_sub"
1096 external build_fsub : llvalue -> llvalue -> string -> llbuilder -> llvalue
1098 external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
1100 external build_nsw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
1101 = "llvm_build_nsw_mul"
1102 external build_nuw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
1103 = "llvm_build_nuw_mul"
1104 external build_fmul : llvalue -> llvalue -> string -> llbuilder -> llvalue
1106 external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
1108 external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
1110 external build_exact_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
1111 = "llvm_build_exact_sdiv"
1112 external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
1114 external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
1116 external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
1118 external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
1120 external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
1122 external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
1124 external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
1126 external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
1128 external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
1130 external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
1132 external build_neg : llvalue -> string -> llbuilder -> llvalue
1134 external build_nsw_neg : llvalue -> string -> llbuilder -> llvalue
1135 = "llvm_build_nsw_neg"
1136 external build_nuw_neg : llvalue -> string -> llbuilder -> llvalue
1137 = "llvm_build_nuw_neg"
1138 external build_fneg : llvalue -> string -> llbuilder -> llvalue
1140 external build_not : llvalue -> string -> llbuilder -> llvalue
1143 (*--... Memory .............................................................--*)
1144 external build_alloca : lltype -> string -> llbuilder -> llvalue
1145 = "llvm_build_alloca"
1146 external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
1147 llvalue = "llvm_build_array_alloca"
1148 external build_load : llvalue -> string -> llbuilder -> llvalue
1150 external build_store : llvalue -> llvalue -> llbuilder -> llvalue
1151 = "llvm_build_store"
1152 external build_atomicrmw : AtomicRMWBinOp.t -> llvalue -> llvalue ->
1153 AtomicOrdering.t -> bool -> string -> llbuilder ->
1155 = "llvm_build_atomicrmw_bytecode"
1156 "llvm_build_atomicrmw_native"
1157 external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
1159 external build_in_bounds_gep : llvalue -> llvalue array -> string ->
1160 llbuilder -> llvalue = "llvm_build_in_bounds_gep"
1161 external build_struct_gep : llvalue -> int -> string -> llbuilder -> llvalue
1162 = "llvm_build_struct_gep"
1164 external build_global_string : string -> string -> llbuilder -> llvalue
1165 = "llvm_build_global_string"
1166 external build_global_stringptr : string -> string -> llbuilder -> llvalue
1167 = "llvm_build_global_stringptr"
1169 (*--... Casts ..............................................................--*)
1170 external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
1171 = "llvm_build_trunc"
1172 external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
1174 external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
1176 external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
1177 = "llvm_build_fptoui"
1178 external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
1179 = "llvm_build_fptosi"
1180 external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
1181 = "llvm_build_uitofp"
1182 external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
1183 = "llvm_build_sitofp"
1184 external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
1185 = "llvm_build_fptrunc"
1186 external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
1187 = "llvm_build_fpext"
1188 external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
1189 = "llvm_build_prttoint"
1190 external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
1191 = "llvm_build_inttoptr"
1192 external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
1193 = "llvm_build_bitcast"
1194 external build_zext_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
1195 llvalue = "llvm_build_zext_or_bitcast"
1196 external build_sext_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
1197 llvalue = "llvm_build_sext_or_bitcast"
1198 external build_trunc_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
1199 llvalue = "llvm_build_trunc_or_bitcast"
1200 external build_pointercast : llvalue -> lltype -> string -> llbuilder -> llvalue
1201 = "llvm_build_pointercast"
1202 external build_intcast : llvalue -> lltype -> string -> llbuilder -> llvalue
1203 = "llvm_build_intcast"
1204 external build_fpcast : llvalue -> lltype -> string -> llbuilder -> llvalue
1205 = "llvm_build_fpcast"
1207 (*--... Comparisons ........................................................--*)
1208 external build_icmp : Icmp.t -> llvalue -> llvalue -> string ->
1209 llbuilder -> llvalue = "llvm_build_icmp"
1210 external build_fcmp : Fcmp.t -> llvalue -> llvalue -> string ->
1211 llbuilder -> llvalue = "llvm_build_fcmp"
1213 (*--... Miscellaneous instructions .........................................--*)
1214 external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
1215 llvalue = "llvm_build_phi"
1216 external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
1218 external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
1219 llvalue = "llvm_build_select"
1220 external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
1221 = "llvm_build_va_arg"
1222 external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
1223 llvalue = "llvm_build_extractelement"
1224 external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
1225 llbuilder -> llvalue = "llvm_build_insertelement"
1226 external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
1227 llbuilder -> llvalue = "llvm_build_shufflevector"
1228 external build_extractvalue : llvalue -> int -> string -> llbuilder -> llvalue
1229 = "llvm_build_extractvalue"
1230 external build_insertvalue : llvalue -> llvalue -> int -> string -> llbuilder ->
1231 llvalue = "llvm_build_insertvalue"
1233 external build_is_null : llvalue -> string -> llbuilder -> llvalue
1234 = "llvm_build_is_null"
1235 external build_is_not_null : llvalue -> string -> llbuilder -> llvalue
1236 = "llvm_build_is_not_null"
1237 external build_ptrdiff : llvalue -> llvalue -> string -> llbuilder -> llvalue
1238 = "llvm_build_ptrdiff"
1241 (*===-- Memory buffers ----------------------------------------------------===*)
1243 module MemoryBuffer = struct
1244 external of_file : string -> llmemorybuffer = "llvm_memorybuffer_of_file"
1245 external of_stdin : unit -> llmemorybuffer = "llvm_memorybuffer_of_stdin"
1246 external of_string : ?name:string -> string -> llmemorybuffer
1247 = "llvm_memorybuffer_of_string"
1248 external as_string : llmemorybuffer -> string = "llvm_memorybuffer_as_string"
1249 external dispose : llmemorybuffer -> unit = "llvm_memorybuffer_dispose"
1253 (*===-- Pass Manager ------------------------------------------------------===*)
1255 module PassManager = struct
1257 type any = [ `Module | `Function ]
1258 external create : unit -> [ `Module ] t = "llvm_passmanager_create"
1259 external create_function : llmodule -> [ `Function ] t
1260 = "LLVMCreateFunctionPassManager"
1261 external run_module : llmodule -> [ `Module ] t -> bool
1262 = "llvm_passmanager_run_module"
1263 external initialize : [ `Function ] t -> bool = "llvm_passmanager_initialize"
1264 external run_function : llvalue -> [ `Function ] t -> bool
1265 = "llvm_passmanager_run_function"
1266 external finalize : [ `Function ] t -> bool = "llvm_passmanager_finalize"
1267 external dispose : [< any ] t -> unit = "llvm_passmanager_dispose"