1(*===-- llvm/llvm.ml - LLVM Ocaml Interface --------------------------------===*
2 *
3 *                     The LLVM Compiler Infrastructure
4 *
5 * This file is distributed under the University of Illinois Open Source
6 * License. See LICENSE.TXT for details.
7 *
8 *===----------------------------------------------------------------------===*)
9
10
11type llcontext
12type llmodule
13type lltype
14type llvalue
15type lluse
16type llbasicblock
17type llbuilder
18type llmemorybuffer
19
20module TypeKind = struct
21  type t =
22  | Void
23  | Float
24  | Double
25  | X86fp80
26  | Fp128
27  | Ppc_fp128
28  | Label
29  | Integer
30  | Function
31  | Struct
32  | Array
33  | Pointer
34  | Vector
35  | Metadata
36end
37
38module Linkage = struct
39  type t =
40  | External
41  | Available_externally
42  | Link_once
43  | Link_once_odr
44  | Weak
45  | Weak_odr
46  | Appending
47  | Internal
48  | Private
49  | Dllimport
50  | Dllexport
51  | External_weak
52  | Ghost
53  | Common
54  | Linker_private
55end
56
57module Visibility = struct
58  type t =
59  | Default
60  | Hidden
61  | Protected
62end
63
64module CallConv = struct
65  let c = 0
66  let fast = 8
67  let cold = 9
68  let x86_stdcall = 64
69  let x86_fastcall = 65
70end
71
72module Attribute = struct
73  type t =
74  | Zext
75  | Sext
76  | Noreturn
77  | Inreg
78  | Structret
79  | Nounwind
80  | Noalias
81  | Byval
82  | Nest
83  | Readnone
84  | Readonly
85  | Noinline
86  | Alwaysinline
87  | Optsize
88  | Ssp
89  | Sspreq
90  | Alignment of int
91  | Nocapture
92  | Noredzone
93  | Noimplicitfloat
94  | Naked
95  | Inlinehint
96  | Stackalignment of int
97  | ReturnsTwice
98  | UWTable
99  | NonLazyBind
100end
101
102module Icmp = struct
103  type t =
104  | Eq
105  | Ne
106  | Ugt
107  | Uge
108  | Ult
109  | Ule
110  | Sgt
111  | Sge
112  | Slt
113  | Sle
114end
115
116module Fcmp = struct
117  type t =
118  | False
119  | Oeq
120  | Ogt
121  | Oge
122  | Olt
123  | Ole
124  | One
125  | Ord
126  | Uno
127  | Ueq
128  | Ugt
129  | Uge
130  | Ult
131  | Ule
132  | Une
133  | True
134end
135
136module Opcode  = struct
137  type t =
138  | Invalid (* not an instruction *)
139  (* Terminator Instructions *)
140  | Ret
141  | Br
142  | Switch
143  | IndirectBr
144  | Invoke
145  | Invalid2
146  | Unreachable
147  (* Standard Binary Operators *)
148  | Add
149  | FAdd
150  | Sub
151  | FSub
152  | Mul
153  | FMul
154  | UDiv
155  | SDiv
156  | FDiv
157  | URem
158  | SRem
159  | FRem
160  (* Logical Operators *)
161  | Shl
162  | LShr
163  | AShr
164  | And
165  | Or
166  | Xor
167  (* Memory Operators *)
168  | Alloca
169  | Load
170  | Store
171  | GetElementPtr
172  (* Cast Operators *)
173  | Trunc
174  | ZExt
175  | SExt
176  | FPToUI
177  | FPToSI
178  | UIToFP
179  | SIToFP
180  | FPTrunc
181  | FPExt
182  | PtrToInt
183  | IntToPtr
184  | BitCast
185  (* Other Operators *)
186  | ICmp
187  | FCmp
188  | PHI
189  | Call
190  | Select
191  | UserOp1
192  | UserOp2
193  | VAArg
194  | ExtractElement
195  | InsertElement
196  | ShuffleVector
197  | ExtractValue
198  | InsertValue
199  | Fence
200  | AtomicCmpXchg
201  | AtomicRMW
202  | Resume
203  | LandingPad
204  | Unwind
205end
206
207module ValueKind = struct
208  type t =
209  | NullValue
210  | Argument
211  | BasicBlock
212  | InlineAsm
213  | MDNode
214  | MDString
215  | BlockAddress
216  | ConstantAggregateZero
217  | ConstantArray
218  | ConstantExpr
219  | ConstantFP
220  | ConstantInt
221  | ConstantPointerNull
222  | ConstantStruct
223  | ConstantVector
224  | Function
225  | GlobalAlias
226  | GlobalVariable
227  | UndefValue
228  | Instruction of Opcode.t
229end
230
231exception IoError of string
232
233external register_exns : exn -> unit = "llvm_register_core_exns"
234let _ = register_exns (IoError "")
235
236type ('a, 'b) llpos =
237| At_end of 'a
238| Before of 'b
239
240type ('a, 'b) llrev_pos =
241| At_start of 'a
242| After of 'b
243
244(*===-- Contexts ----------------------------------------------------------===*)
245external create_context : unit -> llcontext = "llvm_create_context"
246external dispose_context : llcontext -> unit = "llvm_dispose_context"
247external global_context : unit -> llcontext = "llvm_global_context"
248external mdkind_id : llcontext -> string -> int = "llvm_mdkind_id"
249
250(*===-- Modules -----------------------------------------------------------===*)
251external create_module : llcontext -> string -> llmodule = "llvm_create_module"
252external dispose_module : llmodule -> unit = "llvm_dispose_module"
253external target_triple: llmodule -> string
254                      = "llvm_target_triple"
255external set_target_triple: string -> llmodule -> unit
256                          = "llvm_set_target_triple"
257external data_layout: llmodule -> string
258                    = "llvm_data_layout"
259external set_data_layout: string -> llmodule -> unit
260                        = "llvm_set_data_layout"
261external dump_module : llmodule -> unit = "llvm_dump_module"
262external set_module_inline_asm : llmodule -> string -> unit
263                               = "llvm_set_module_inline_asm"
264external module_context : llmodule -> llcontext = "LLVMGetModuleContext"
265
266(*===-- Types -------------------------------------------------------------===*)
267external classify_type : lltype -> TypeKind.t = "llvm_classify_type"
268external type_context : lltype -> llcontext = "llvm_type_context"
269external type_is_sized : lltype -> bool = "llvm_type_is_sized"
270
271(*--... Operations on integer types ........................................--*)
272external i1_type : llcontext -> lltype = "llvm_i1_type"
273external i8_type : llcontext -> lltype = "llvm_i8_type"
274external i16_type : llcontext -> lltype = "llvm_i16_type"
275external i32_type : llcontext -> lltype = "llvm_i32_type"
276external i64_type : llcontext -> lltype = "llvm_i64_type"
277
278external integer_type : llcontext -> int -> lltype = "llvm_integer_type"
279external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"
280
281(*--... Operations on real types ...........................................--*)
282external float_type : llcontext -> lltype = "llvm_float_type"
283external double_type : llcontext -> lltype = "llvm_double_type"
284external x86fp80_type : llcontext -> lltype = "llvm_x86fp80_type"
285external fp128_type : llcontext -> lltype = "llvm_fp128_type"
286external ppc_fp128_type : llcontext -> lltype = "llvm_ppc_fp128_type"
287
288(*--... Operations on function types .......................................--*)
289external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
290external var_arg_function_type : lltype -> lltype array -> lltype
291                               = "llvm_var_arg_function_type"
292external is_var_arg : lltype -> bool = "llvm_is_var_arg"
293external return_type : lltype -> lltype = "LLVMGetReturnType"
294external param_types : lltype -> lltype array = "llvm_param_types"
295
296(*--... Operations on struct types .........................................--*)
297external struct_type : llcontext -> lltype array -> lltype = "llvm_struct_type"
298external packed_struct_type : llcontext -> lltype array -> lltype
299                            = "llvm_packed_struct_type"
300external struct_name : lltype -> string option = "llvm_struct_name"
301external named_struct_type : llcontext -> string -> lltype =
302    "llvm_named_struct_type"
303external struct_set_body : lltype -> lltype array -> bool -> unit =
304    "llvm_struct_set_body"
305external struct_element_types : lltype -> lltype array
306                              = "llvm_struct_element_types"
307external is_packed : lltype -> bool = "llvm_is_packed"
308external is_opaque : lltype -> bool = "llvm_is_opaque"
309
310(*--... Operations on pointer, vector, and array types .....................--*)
311external array_type : lltype -> int -> lltype = "llvm_array_type"
312external pointer_type : lltype -> lltype = "llvm_pointer_type"
313external qualified_pointer_type : lltype -> int -> lltype
314                                = "llvm_qualified_pointer_type"
315external vector_type : lltype -> int -> lltype = "llvm_vector_type"
316
317external element_type : lltype -> lltype = "LLVMGetElementType"
318external array_length : lltype -> int = "llvm_array_length"
319external address_space : lltype -> int = "llvm_address_space"
320external vector_size : lltype -> int = "llvm_vector_size"
321
322(*--... Operations on other types ..........................................--*)
323external void_type : llcontext -> lltype = "llvm_void_type"
324external label_type : llcontext -> lltype = "llvm_label_type"
325external type_by_name : llmodule -> string -> lltype option = "llvm_type_by_name"
326
327external classify_value : llvalue -> ValueKind.t = "llvm_classify_value"
328(*===-- Values ------------------------------------------------------------===*)
329external type_of : llvalue -> lltype = "llvm_type_of"
330external value_name : llvalue -> string = "llvm_value_name"
331external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
332external dump_value : llvalue -> unit = "llvm_dump_value"
333external replace_all_uses_with : llvalue -> llvalue -> unit
334                               = "LLVMReplaceAllUsesWith"
335
336(*--... Operations on uses .................................................--*)
337external use_begin : llvalue -> lluse option = "llvm_use_begin"
338external use_succ : lluse -> lluse option = "llvm_use_succ"
339external user : lluse -> llvalue = "llvm_user"
340external used_value : lluse -> llvalue = "llvm_used_value"
341
342let iter_uses f v =
343  let rec aux = function
344    | None -> ()
345    | Some u ->
346        f u;
347        aux (use_succ u)
348  in
349  aux (use_begin v)
350
351let fold_left_uses f init v =
352  let rec aux init u =
353    match u with
354    | None -> init
355    | Some u -> aux (f init u) (use_succ u)
356  in
357  aux init (use_begin v)
358
359let fold_right_uses f v init =
360  let rec aux u init =
361    match u with
362    | None -> init
363    | Some u -> f u (aux (use_succ u) init)
364  in
365  aux (use_begin v) init
366
367
368(*--... Operations on users ................................................--*)
369external operand : llvalue -> int -> llvalue = "llvm_operand"
370external set_operand : llvalue -> int -> llvalue -> unit = "llvm_set_operand"
371external num_operands : llvalue -> int = "llvm_num_operands"
372
373(*--... Operations on constants of (mostly) any type .......................--*)
374external is_constant : llvalue -> bool = "llvm_is_constant"
375external const_null : lltype -> llvalue = "LLVMConstNull"
376external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
377external const_pointer_null : lltype -> llvalue = "LLVMConstPointerNull"
378external undef : lltype -> llvalue = "LLVMGetUndef"
379external is_null : llvalue -> bool = "llvm_is_null"
380external is_undef : llvalue -> bool = "llvm_is_undef"
381external constexpr_opcode : llvalue -> Opcode.t = "llvm_constexpr_get_opcode"
382
383(*--... Operations on instructions .........................................--*)
384external has_metadata : llvalue -> bool = "llvm_has_metadata"
385external metadata : llvalue -> int -> llvalue option = "llvm_metadata"
386external set_metadata : llvalue -> int -> llvalue -> unit = "llvm_set_metadata"
387external clear_metadata : llvalue -> int -> unit = "llvm_clear_metadata"
388
389(*--... Operations on metadata .......,.....................................--*)
390external mdstring : llcontext -> string -> llvalue = "llvm_mdstring"
391external mdnode : llcontext -> llvalue array -> llvalue = "llvm_mdnode"
392external get_mdstring : llvalue -> string option = "llvm_get_mdstring"
393external get_named_metadata : llmodule -> string -> llvalue array = "llvm_get_namedmd"
394
395(*--... Operations on scalar constants .....................................--*)
396external const_int : lltype -> int -> llvalue = "llvm_const_int"
397external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
398                        = "llvm_const_of_int64"
399external int64_of_const : llvalue -> Int64.t option
400                        = "llvm_int64_of_const"
401external const_int_of_string : lltype -> string -> int -> llvalue
402                             = "llvm_const_int_of_string"
403external const_float : lltype -> float -> llvalue = "llvm_const_float"
404external const_float_of_string : lltype -> string -> llvalue
405                               = "llvm_const_float_of_string"
406
407(*--... Operations on composite constants ..................................--*)
408external const_string : llcontext -> string -> llvalue = "llvm_const_string"
409external const_stringz : llcontext -> string -> llvalue = "llvm_const_stringz"
410external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
411external const_struct : llcontext -> llvalue array -> llvalue
412                      = "llvm_const_struct"
413external const_named_struct : lltype -> llvalue array -> llvalue
414                      = "llvm_const_named_struct"
415external const_packed_struct : llcontext -> llvalue array -> llvalue
416                             = "llvm_const_packed_struct"
417external const_vector : llvalue array -> llvalue = "llvm_const_vector"
418
419(*--... Constant expressions ...............................................--*)
420external align_of : lltype -> llvalue = "LLVMAlignOf"
421external size_of : lltype -> llvalue = "LLVMSizeOf"
422external const_neg : llvalue -> llvalue = "LLVMConstNeg"
423external const_nsw_neg : llvalue -> llvalue = "LLVMConstNSWNeg"
424external const_nuw_neg : llvalue -> llvalue = "LLVMConstNUWNeg"
425external const_fneg : llvalue -> llvalue = "LLVMConstFNeg"
426external const_not : llvalue -> llvalue = "LLVMConstNot"
427external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
428external const_nsw_add : llvalue -> llvalue -> llvalue = "LLVMConstNSWAdd"
429external const_nuw_add : llvalue -> llvalue -> llvalue = "LLVMConstNUWAdd"
430external const_fadd : llvalue -> llvalue -> llvalue = "LLVMConstFAdd"
431external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
432external const_nsw_sub : llvalue -> llvalue -> llvalue = "LLVMConstNSWSub"
433external const_nuw_sub : llvalue -> llvalue -> llvalue = "LLVMConstNUWSub"
434external const_fsub : llvalue -> llvalue -> llvalue = "LLVMConstFSub"
435external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
436external const_nsw_mul : llvalue -> llvalue -> llvalue = "LLVMConstNSWMul"
437external const_nuw_mul : llvalue -> llvalue -> llvalue = "LLVMConstNUWMul"
438external const_fmul : llvalue -> llvalue -> llvalue = "LLVMConstFMul"
439external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
440external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
441external const_exact_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstExactSDiv"
442external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
443external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
444external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
445external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
446external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
447external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
448external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
449external const_icmp : Icmp.t -> llvalue -> llvalue -> llvalue
450                    = "llvm_const_icmp"
451external const_fcmp : Fcmp.t -> llvalue -> llvalue -> llvalue
452                    = "llvm_const_fcmp"
453external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
454external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
455external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
456external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
457external const_in_bounds_gep : llvalue -> llvalue array -> llvalue
458                            = "llvm_const_in_bounds_gep"
459external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
460external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
461external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
462external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
463external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
464external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
465external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
466external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
467external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
468external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
469external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
470external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
471external const_zext_or_bitcast : llvalue -> lltype -> llvalue
472                             = "LLVMConstZExtOrBitCast"
473external const_sext_or_bitcast : llvalue -> lltype -> llvalue
474                             = "LLVMConstSExtOrBitCast"
475external const_trunc_or_bitcast : llvalue -> lltype -> llvalue
476                              = "LLVMConstTruncOrBitCast"
477external const_pointercast : llvalue -> lltype -> llvalue
478                           = "LLVMConstPointerCast"
479external const_intcast : llvalue -> lltype -> llvalue = "LLVMConstIntCast"
480external const_fpcast : llvalue -> lltype -> llvalue = "LLVMConstFPCast"
481external const_select : llvalue -> llvalue -> llvalue -> llvalue
482                      = "LLVMConstSelect"
483external const_extractelement : llvalue -> llvalue -> llvalue
484                              = "LLVMConstExtractElement"
485external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
486                             = "LLVMConstInsertElement"
487external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
488                             = "LLVMConstShuffleVector"
489external const_extractvalue : llvalue -> int array -> llvalue
490                            = "llvm_const_extractvalue"
491external const_insertvalue : llvalue -> llvalue -> int array -> llvalue
492                           = "llvm_const_insertvalue"
493external const_inline_asm : lltype -> string -> string -> bool -> bool ->
494                            llvalue
495                          = "llvm_const_inline_asm"
496external block_address : llvalue -> llbasicblock -> llvalue = "LLVMBlockAddress"
497
498(*--... Operations on global variables, functions, and aliases (globals) ...--*)
499external global_parent : llvalue -> llmodule = "LLVMGetGlobalParent"
500external is_declaration : llvalue -> bool = "llvm_is_declaration"
501external linkage : llvalue -> Linkage.t = "llvm_linkage"
502external set_linkage : Linkage.t -> llvalue -> unit = "llvm_set_linkage"
503external section : llvalue -> string = "llvm_section"
504external set_section : string -> llvalue -> unit = "llvm_set_section"
505external visibility : llvalue -> Visibility.t = "llvm_visibility"
506external set_visibility : Visibility.t -> llvalue -> unit = "llvm_set_visibility"
507external alignment : llvalue -> int = "llvm_alignment"
508external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
509external is_global_constant : llvalue -> bool = "llvm_is_global_constant"
510external set_global_constant : bool -> llvalue -> unit
511                             = "llvm_set_global_constant"
512
513(*--... Operations on global variables .....................................--*)
514external declare_global : lltype -> string -> llmodule -> llvalue
515                        = "llvm_declare_global"
516external declare_qualified_global : lltype -> string -> int -> llmodule ->
517                                    llvalue
518                                  = "llvm_declare_qualified_global"
519external define_global : string -> llvalue -> llmodule -> llvalue
520                       = "llvm_define_global"
521external define_qualified_global : string -> llvalue -> int -> llmodule ->
522                                   llvalue
523                                 = "llvm_define_qualified_global"
524external lookup_global : string -> llmodule -> llvalue option
525                       = "llvm_lookup_global"
526external delete_global : llvalue -> unit = "llvm_delete_global"
527external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
528external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
529external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
530external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
531external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
532external global_begin : llmodule -> (llmodule, llvalue) llpos
533                      = "llvm_global_begin"
534external global_succ : llvalue -> (llmodule, llvalue) llpos
535                     = "llvm_global_succ"
536external global_end : llmodule -> (llmodule, llvalue) llrev_pos
537                    = "llvm_global_end"
538external global_pred : llvalue -> (llmodule, llvalue) llrev_pos
539                     = "llvm_global_pred"
540
541let rec iter_global_range f i e =
542  if i = e then () else
543  match i with
544  | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
545  | Before bb ->
546      f bb;
547      iter_global_range f (global_succ bb) e
548
549let iter_globals f m =
550  iter_global_range f (global_begin m) (At_end m)
551
552let rec fold_left_global_range f init i e =
553  if i = e then init else
554  match i with
555  | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
556  | Before bb -> fold_left_global_range f (f init bb) (global_succ bb) e
557
558let fold_left_globals f init m =
559  fold_left_global_range f init (global_begin m) (At_end m)
560
561let rec rev_iter_global_range f i e =
562  if i = e then () else
563  match i with
564  | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
565  | After bb ->
566      f bb;
567      rev_iter_global_range f (global_pred bb) e
568
569let rev_iter_globals f m =
570  rev_iter_global_range f (global_end m) (At_start m)
571
572let rec fold_right_global_range f i e init =
573  if i = e then init else
574  match i with
575  | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
576  | After bb -> fold_right_global_range f (global_pred bb) e (f bb init)
577
578let fold_right_globals f m init =
579  fold_right_global_range f (global_end m) (At_start m) init
580
581(*--... Operations on aliases ..............................................--*)
582external add_alias : llmodule -> lltype -> llvalue -> string -> llvalue
583                   = "llvm_add_alias"
584
585(*--... Operations on functions ............................................--*)
586external declare_function : string -> lltype -> llmodule -> llvalue
587                          = "llvm_declare_function"
588external define_function : string -> lltype -> llmodule -> llvalue
589                         = "llvm_define_function"
590external lookup_function : string -> llmodule -> llvalue option
591                         = "llvm_lookup_function"
592external delete_function : llvalue -> unit = "llvm_delete_function"
593external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
594external function_call_conv : llvalue -> int = "llvm_function_call_conv"
595external set_function_call_conv : int -> llvalue -> unit
596                                = "llvm_set_function_call_conv"
597external gc : llvalue -> string option = "llvm_gc"
598external set_gc : string option -> llvalue -> unit = "llvm_set_gc"
599external function_begin : llmodule -> (llmodule, llvalue) llpos
600                        = "llvm_function_begin"
601external function_succ : llvalue -> (llmodule, llvalue) llpos
602                       = "llvm_function_succ"
603external function_end : llmodule -> (llmodule, llvalue) llrev_pos
604                      = "llvm_function_end"
605external function_pred : llvalue -> (llmodule, llvalue) llrev_pos
606                       = "llvm_function_pred"
607
608let rec iter_function_range f i e =
609  if i = e then () else
610  match i with
611  | At_end _ -> raise (Invalid_argument "Invalid function range.")
612  | Before fn ->
613      f fn;
614      iter_function_range f (function_succ fn) e
615
616let iter_functions f m =
617  iter_function_range f (function_begin m) (At_end m)
618
619let rec fold_left_function_range f init i e =
620  if i = e then init else
621  match i with
622  | At_end _ -> raise (Invalid_argument "Invalid function range.")
623  | Before fn -> fold_left_function_range f (f init fn) (function_succ fn) e
624
625let fold_left_functions f init m =
626  fold_left_function_range f init (function_begin m) (At_end m)
627
628let rec rev_iter_function_range f i e =
629  if i = e then () else
630  match i with
631  | At_start _ -> raise (Invalid_argument "Invalid function range.")
632  | After fn ->
633      f fn;
634      rev_iter_function_range f (function_pred fn) e
635
636let rev_iter_functions f m =
637  rev_iter_function_range f (function_end m) (At_start m)
638
639let rec fold_right_function_range f i e init =
640  if i = e then init else
641  match i with
642  | At_start _ -> raise (Invalid_argument "Invalid function range.")
643  | After fn -> fold_right_function_range f (function_pred fn) e (f fn init)
644
645let fold_right_functions f m init =
646  fold_right_function_range f (function_end m) (At_start m) init
647
648external llvm_add_function_attr : llvalue -> int32 -> unit
649                                = "llvm_add_function_attr"
650external llvm_remove_function_attr : llvalue -> int32 -> unit
651                                   = "llvm_remove_function_attr"
652external llvm_function_attr : llvalue -> int32 = "llvm_function_attr"
653
654let pack_attr (attr:Attribute.t) : int32 =
655  match attr with
656  Attribute.Zext                  -> Int32.shift_left 1l 0
657    | Attribute.Sext              -> Int32.shift_left 1l 1
658    | Attribute.Noreturn          -> Int32.shift_left 1l 2
659    | Attribute.Inreg             -> Int32.shift_left 1l 3
660    | Attribute.Structret         -> Int32.shift_left 1l 4
661    | Attribute.Nounwind          -> Int32.shift_left 1l 5
662    | Attribute.Noalias           -> Int32.shift_left 1l 6
663    | Attribute.Byval             -> Int32.shift_left 1l 7
664    | Attribute.Nest              -> Int32.shift_left 1l 8
665    | Attribute.Readnone          -> Int32.shift_left 1l 9
666    | Attribute.Readonly          -> Int32.shift_left 1l 10
667    | Attribute.Noinline          -> Int32.shift_left 1l 11
668    | Attribute.Alwaysinline      -> Int32.shift_left 1l 12
669    | Attribute.Optsize           -> Int32.shift_left 1l 13
670    | Attribute.Ssp               -> Int32.shift_left 1l 14
671    | Attribute.Sspreq            -> Int32.shift_left 1l 15
672    | Attribute.Alignment n       -> Int32.shift_left (Int32.of_int n) 16
673    | Attribute.Nocapture         -> Int32.shift_left 1l 21
674    | Attribute.Noredzone         -> Int32.shift_left 1l 22
675    | Attribute.Noimplicitfloat   -> Int32.shift_left 1l 23
676    | Attribute.Naked             -> Int32.shift_left 1l 24
677    | Attribute.Inlinehint        -> Int32.shift_left 1l 25
678    | Attribute.Stackalignment n  -> Int32.shift_left (Int32.of_int n) 26
679    | Attribute.ReturnsTwice      -> Int32.shift_left 1l 29
680    | Attribute.UWTable           -> Int32.shift_left 1l 30
681    | Attribute.NonLazyBind       -> Int32.shift_left 1l 31
682
683let unpack_attr (a : int32) : Attribute.t list =
684  let l = ref [] in
685  let check attr =
686      Int32.logand (pack_attr attr) a in
687  let checkattr attr =
688      if (check attr) <> 0l then begin
689          l := attr :: !l
690      end
691  in
692  checkattr Attribute.Zext;
693  checkattr Attribute.Sext;
694  checkattr Attribute.Noreturn;
695  checkattr Attribute.Inreg;
696  checkattr Attribute.Structret;
697  checkattr Attribute.Nounwind;
698  checkattr Attribute.Noalias;
699  checkattr Attribute.Byval;
700  checkattr Attribute.Nest;
701  checkattr Attribute.Readnone;
702  checkattr Attribute.Readonly;
703  checkattr Attribute.Noinline;
704  checkattr Attribute.Alwaysinline;
705  checkattr Attribute.Optsize;
706  checkattr Attribute.Ssp;
707  checkattr Attribute.Sspreq;
708  let align = Int32.logand (Int32.shift_right_logical a 16) 31l in
709  if align <> 0l then
710      l := Attribute.Alignment (Int32.to_int align) :: !l;
711  checkattr Attribute.Nocapture;
712  checkattr Attribute.Noredzone;
713  checkattr Attribute.Noimplicitfloat;
714  checkattr Attribute.Naked;
715  checkattr Attribute.Inlinehint;
716  let stackalign = Int32.logand (Int32.shift_right_logical a 26) 7l in
717  if stackalign <> 0l then
718      l := Attribute.Stackalignment (Int32.to_int stackalign) :: !l;
719  checkattr Attribute.ReturnsTwice;
720  checkattr Attribute.UWTable;
721  checkattr Attribute.NonLazyBind;
722  !l;;
723
724let add_function_attr llval attr =
725  llvm_add_function_attr llval (pack_attr attr)
726
727let remove_function_attr llval attr =
728  llvm_remove_function_attr llval (pack_attr attr)
729
730let function_attr f = unpack_attr (llvm_function_attr f)
731
732(*--... Operations on params ...............................................--*)
733external params : llvalue -> llvalue array = "llvm_params"
734external param : llvalue -> int -> llvalue = "llvm_param"
735external llvm_param_attr : llvalue -> int32 = "llvm_param_attr"
736let param_attr p = unpack_attr (llvm_param_attr p)
737external param_parent : llvalue -> llvalue = "LLVMGetParamParent"
738external param_begin : llvalue -> (llvalue, llvalue) llpos = "llvm_param_begin"
739external param_succ : llvalue -> (llvalue, llvalue) llpos = "llvm_param_succ"
740external param_end : llvalue -> (llvalue, llvalue) llrev_pos = "llvm_param_end"
741external param_pred : llvalue -> (llvalue, llvalue) llrev_pos ="llvm_param_pred"
742
743let rec iter_param_range f i e =
744  if i = e then () else
745  match i with
746  | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
747  | Before p ->
748      f p;
749      iter_param_range f (param_succ p) e
750
751let iter_params f fn =
752  iter_param_range f (param_begin fn) (At_end fn)
753
754let rec fold_left_param_range f init i e =
755  if i = e then init else
756  match i with
757  | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
758  | Before p -> fold_left_param_range f (f init p) (param_succ p) e
759
760let fold_left_params f init fn =
761  fold_left_param_range f init (param_begin fn) (At_end fn)
762
763let rec rev_iter_param_range f i e =
764  if i = e then () else
765  match i with
766  | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
767  | After p ->
768      f p;
769      rev_iter_param_range f (param_pred p) e
770
771let rev_iter_params f fn =
772  rev_iter_param_range f (param_end fn) (At_start fn)
773
774let rec fold_right_param_range f init i e =
775  if i = e then init else
776  match i with
777  | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
778  | After p -> fold_right_param_range f (f p init) (param_pred p) e
779
780let fold_right_params f fn init =
781  fold_right_param_range f init (param_end fn) (At_start fn)
782
783external llvm_add_param_attr : llvalue -> int32 -> unit
784                                = "llvm_add_param_attr"
785external llvm_remove_param_attr : llvalue -> int32 -> unit
786                                = "llvm_remove_param_attr"
787
788let add_param_attr llval attr =
789  llvm_add_param_attr llval (pack_attr attr)
790
791let remove_param_attr llval attr =
792  llvm_remove_param_attr llval (pack_attr attr)
793
794external set_param_alignment : llvalue -> int -> unit
795                             = "llvm_set_param_alignment"
796
797(*--... Operations on basic blocks .........................................--*)
798external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
799external value_is_block : llvalue -> bool = "llvm_value_is_block"
800external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
801external block_parent : llbasicblock -> llvalue = "LLVMGetBasicBlockParent"
802external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
803external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
804external delete_block : llbasicblock -> unit = "llvm_delete_block"
805external append_block : llcontext -> string -> llvalue -> llbasicblock
806                      = "llvm_append_block"
807external insert_block : llcontext -> string -> llbasicblock -> llbasicblock
808                      = "llvm_insert_block"
809external block_begin : llvalue -> (llvalue, llbasicblock) llpos
810                     = "llvm_block_begin"
811external block_succ : llbasicblock -> (llvalue, llbasicblock) llpos
812                    = "llvm_block_succ"
813external block_end : llvalue -> (llvalue, llbasicblock) llrev_pos
814                   = "llvm_block_end"
815external block_pred : llbasicblock -> (llvalue, llbasicblock) llrev_pos
816                    = "llvm_block_pred"
817external block_terminator : llbasicblock -> llvalue option =
818    "llvm_block_terminator"
819
820let rec iter_block_range f i e =
821  if i = e then () else
822  match i with
823  | At_end _ -> raise (Invalid_argument "Invalid block range.")
824  | Before bb ->
825      f bb;
826      iter_block_range f (block_succ bb) e
827
828let iter_blocks f fn =
829  iter_block_range f (block_begin fn) (At_end fn)
830
831let rec fold_left_block_range f init i e =
832  if i = e then init else
833  match i with
834  | At_end _ -> raise (Invalid_argument "Invalid block range.")
835  | Before bb -> fold_left_block_range f (f init bb) (block_succ bb) e
836
837let fold_left_blocks f init fn =
838  fold_left_block_range f init (block_begin fn) (At_end fn)
839
840let rec rev_iter_block_range f i e =
841  if i = e then () else
842  match i with
843  | At_start _ -> raise (Invalid_argument "Invalid block range.")
844  | After bb ->
845      f bb;
846      rev_iter_block_range f (block_pred bb) e
847
848let rev_iter_blocks f fn =
849  rev_iter_block_range f (block_end fn) (At_start fn)
850
851let rec fold_right_block_range f init i e =
852  if i = e then init else
853  match i with
854  | At_start _ -> raise (Invalid_argument "Invalid block range.")
855  | After bb -> fold_right_block_range f (f bb init) (block_pred bb) e
856
857let fold_right_blocks f fn init =
858  fold_right_block_range f init (block_end fn) (At_start fn)
859
860(*--... Operations on instructions .........................................--*)
861external instr_parent : llvalue -> llbasicblock = "LLVMGetInstructionParent"
862external instr_begin : llbasicblock -> (llbasicblock, llvalue) llpos
863                     = "llvm_instr_begin"
864external instr_succ : llvalue -> (llbasicblock, llvalue) llpos
865                     = "llvm_instr_succ"
866external instr_end : llbasicblock -> (llbasicblock, llvalue) llrev_pos
867                     = "llvm_instr_end"
868external instr_pred : llvalue -> (llbasicblock, llvalue) llrev_pos
869                     = "llvm_instr_pred"
870
871external instr_opcode : llvalue -> Opcode.t = "llvm_instr_get_opcode"
872external icmp_predicate : llvalue -> Icmp.t option = "llvm_instr_icmp_predicate"
873
874external icmp_predicate : llvalue -> Icmp.t option = "llvm_instr_icmp_predicate"
875
876let rec iter_instrs_range f i e =
877  if i = e then () else
878  match i with
879  | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
880  | Before i ->
881      f i;
882      iter_instrs_range f (instr_succ i) e
883
884let iter_instrs f bb =
885  iter_instrs_range f (instr_begin bb) (At_end bb)
886
887let rec fold_left_instrs_range f init i e =
888  if i = e then init else
889  match i with
890  | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
891  | Before i -> fold_left_instrs_range f (f init i) (instr_succ i) e
892
893let fold_left_instrs f init bb =
894  fold_left_instrs_range f init (instr_begin bb) (At_end bb)
895
896let rec rev_iter_instrs_range f i e =
897  if i = e then () else
898  match i with
899  | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
900  | After i ->
901      f i;
902      rev_iter_instrs_range f (instr_pred i) e
903
904let rev_iter_instrs f bb =
905  rev_iter_instrs_range f (instr_end bb) (At_start bb)
906
907let rec fold_right_instr_range f i e init =
908  if i = e then init else
909  match i with
910  | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
911  | After i -> fold_right_instr_range f (instr_pred i) e (f i init)
912
913let fold_right_instrs f bb init =
914  fold_right_instr_range f (instr_end bb) (At_start bb) init
915
916
917(*--... Operations on call sites ...........................................--*)
918external instruction_call_conv: llvalue -> int
919                              = "llvm_instruction_call_conv"
920external set_instruction_call_conv: int -> llvalue -> unit
921                                  = "llvm_set_instruction_call_conv"
922
923external llvm_add_instruction_param_attr : llvalue -> int -> int32 -> unit
924                                         = "llvm_add_instruction_param_attr"
925external llvm_remove_instruction_param_attr : llvalue -> int -> int32 -> unit
926                                         = "llvm_remove_instruction_param_attr"
927
928let add_instruction_param_attr llval i attr =
929  llvm_add_instruction_param_attr llval i (pack_attr attr)
930
931let remove_instruction_param_attr llval i attr =
932  llvm_remove_instruction_param_attr llval i (pack_attr attr)
933
934(*--... Operations on call instructions (only) .............................--*)
935external is_tail_call : llvalue -> bool = "llvm_is_tail_call"
936external set_tail_call : bool -> llvalue -> unit = "llvm_set_tail_call"
937
938(*--... Operations on phi nodes ............................................--*)
939external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
940                      = "llvm_add_incoming"
941external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
942
943external delete_instruction : llvalue -> unit = "llvm_delete_instruction"
944
945(*===-- Instruction builders ----------------------------------------------===*)
946external builder : llcontext -> llbuilder = "llvm_builder"
947external position_builder : (llbasicblock, llvalue) llpos -> llbuilder -> unit
948                          = "llvm_position_builder"
949external insertion_block : llbuilder -> llbasicblock = "llvm_insertion_block"
950external insert_into_builder : llvalue -> string -> llbuilder -> unit
951                             = "llvm_insert_into_builder"
952
953let builder_at context ip =
954  let b = builder context in
955  position_builder ip b;
956  b
957
958let builder_before context i = builder_at context (Before i)
959let builder_at_end context bb = builder_at context (At_end bb)
960
961let position_before i = position_builder (Before i)
962let position_at_end bb = position_builder (At_end bb)
963
964
965(*--... Metadata ...........................................................--*)
966external set_current_debug_location : llbuilder -> llvalue -> unit
967                                    = "llvm_set_current_debug_location"
968external clear_current_debug_location : llbuilder -> unit
969                                      = "llvm_clear_current_debug_location"
970external current_debug_location : llbuilder -> llvalue option
971                                    = "llvm_current_debug_location"
972external set_inst_debug_location : llbuilder -> llvalue -> unit
973                                 = "llvm_set_inst_debug_location"
974
975
976(*--... Terminators ........................................................--*)
977external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
978external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
979external build_aggregate_ret : llvalue array -> llbuilder -> llvalue
980                             = "llvm_build_aggregate_ret"
981external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
982external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
983                         llvalue = "llvm_build_cond_br"
984external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
985                      = "llvm_build_switch"
986external build_malloc : lltype -> string -> llbuilder -> llvalue =
987    "llvm_build_malloc"
988external build_array_malloc : lltype -> llvalue -> string -> llbuilder ->
989    llvalue = "llvm_build_array_malloc"
990external build_free : llvalue -> llbuilder -> llvalue = "llvm_build_free"
991external add_case : llvalue -> llvalue -> llbasicblock -> unit
992                  = "llvm_add_case"
993external switch_default_dest : llvalue -> llbasicblock =
994    "LLVMGetSwitchDefaultDest"
995external build_indirect_br : llvalue -> int -> llbuilder -> llvalue
996                           = "llvm_build_indirect_br"
997external add_destination : llvalue -> llbasicblock -> unit
998                         = "llvm_add_destination"
999external build_invoke : llvalue -> llvalue array -> llbasicblock ->
1000                        llbasicblock -> string -> llbuilder -> llvalue
1001                      = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
1002external build_landingpad : lltype -> llvalue -> int -> string -> llbuilder ->
1003                            llvalue = "llvm_build_landingpad"
1004external set_cleanup : llvalue -> bool -> unit = "llvm_set_cleanup"
1005external add_clause : llvalue -> llvalue -> unit = "llvm_add_clause"
1006external build_resume : llvalue -> llbuilder -> llvalue = "llvm_build_resume"
1007external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"
1008
1009(*--... Arithmetic .........................................................--*)
1010external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
1011                   = "llvm_build_add"
1012external build_nsw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
1013                       = "llvm_build_nsw_add"
1014external build_nuw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
1015                       = "llvm_build_nuw_add"
1016external build_fadd : llvalue -> llvalue -> string -> llbuilder -> llvalue
1017                    = "llvm_build_fadd"
1018external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
1019                   = "llvm_build_sub"
1020external build_nsw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
1021                       = "llvm_build_nsw_sub"
1022external build_nuw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
1023                       = "llvm_build_nuw_sub"
1024external build_fsub : llvalue -> llvalue -> string -> llbuilder -> llvalue
1025                    = "llvm_build_fsub"
1026external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
1027                   = "llvm_build_mul"
1028external build_nsw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
1029                       = "llvm_build_nsw_mul"
1030external build_nuw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
1031                       = "llvm_build_nuw_mul"
1032external build_fmul : llvalue -> llvalue -> string -> llbuilder -> llvalue
1033                    = "llvm_build_fmul"
1034external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
1035                    = "llvm_build_udiv"
1036external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
1037                    = "llvm_build_sdiv"
1038external build_exact_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
1039                          = "llvm_build_exact_sdiv"
1040external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
1041                    = "llvm_build_fdiv"
1042external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
1043                    = "llvm_build_urem"
1044external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
1045                    = "llvm_build_srem"
1046external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
1047                    = "llvm_build_frem"
1048external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
1049                   = "llvm_build_shl"
1050external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
1051                    = "llvm_build_lshr"
1052external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
1053                    = "llvm_build_ashr"
1054external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
1055                   = "llvm_build_and"
1056external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
1057                  = "llvm_build_or"
1058external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
1059                   = "llvm_build_xor"
1060external build_neg : llvalue -> string -> llbuilder -> llvalue
1061                   = "llvm_build_neg"
1062external build_nsw_neg : llvalue -> string -> llbuilder -> llvalue
1063                       = "llvm_build_nsw_neg"
1064external build_nuw_neg : llvalue -> string -> llbuilder -> llvalue
1065                       = "llvm_build_nuw_neg"
1066external build_fneg : llvalue -> string -> llbuilder -> llvalue
1067                    = "llvm_build_fneg"
1068external build_not : llvalue -> string -> llbuilder -> llvalue
1069                   = "llvm_build_not"
1070
1071(*--... Memory .............................................................--*)
1072external build_alloca : lltype -> string -> llbuilder -> llvalue
1073                      = "llvm_build_alloca"
1074external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
1075                              llvalue = "llvm_build_array_alloca"
1076external build_load : llvalue -> string -> llbuilder -> llvalue
1077                    = "llvm_build_load"
1078external build_store : llvalue -> llvalue -> llbuilder -> llvalue
1079                     = "llvm_build_store"
1080external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
1081                   = "llvm_build_gep"
1082external build_in_bounds_gep : llvalue -> llvalue array -> string ->
1083                             llbuilder -> llvalue = "llvm_build_in_bounds_gep"
1084external build_struct_gep : llvalue -> int -> string -> llbuilder -> llvalue
1085                         = "llvm_build_struct_gep"
1086
1087external build_global_string : string -> string -> llbuilder -> llvalue
1088                             = "llvm_build_global_string"
1089external build_global_stringptr  : string -> string -> llbuilder -> llvalue
1090                                 = "llvm_build_global_stringptr"
1091
1092(*--... Casts ..............................................................--*)
1093external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
1094                     = "llvm_build_trunc"
1095external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
1096                    = "llvm_build_zext"
1097external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
1098                    = "llvm_build_sext"
1099external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
1100                      = "llvm_build_fptoui"
1101external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
1102                      = "llvm_build_fptosi"
1103external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
1104                      = "llvm_build_uitofp"
1105external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
1106                      = "llvm_build_sitofp"
1107external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
1108                       = "llvm_build_fptrunc"
1109external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
1110                     = "llvm_build_fpext"
1111external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
1112                        = "llvm_build_prttoint"
1113external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
1114                        = "llvm_build_inttoptr"
1115external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
1116                       = "llvm_build_bitcast"
1117external build_zext_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
1118                                 llvalue = "llvm_build_zext_or_bitcast"
1119external build_sext_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
1120                                 llvalue = "llvm_build_sext_or_bitcast"
1121external build_trunc_or_bitcast : llvalue -> lltype -> string -> llbuilder ->
1122                                  llvalue = "llvm_build_trunc_or_bitcast"
1123external build_pointercast : llvalue -> lltype -> string -> llbuilder -> llvalue
1124                           = "llvm_build_pointercast"
1125external build_intcast : llvalue -> lltype -> string -> llbuilder -> llvalue
1126                       = "llvm_build_intcast"
1127external build_fpcast : llvalue -> lltype -> string -> llbuilder -> llvalue
1128                      = "llvm_build_fpcast"
1129
1130(*--... Comparisons ........................................................--*)
1131external build_icmp : Icmp.t -> llvalue -> llvalue -> string ->
1132                      llbuilder -> llvalue = "llvm_build_icmp"
1133external build_fcmp : Fcmp.t -> llvalue -> llvalue -> string ->
1134                      llbuilder -> llvalue = "llvm_build_fcmp"
1135
1136(*--... Miscellaneous instructions .........................................--*)
1137external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
1138                     llvalue = "llvm_build_phi"
1139external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
1140                    = "llvm_build_call"
1141external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
1142                        llvalue = "llvm_build_select"
1143external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
1144                      = "llvm_build_va_arg"
1145external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
1146                                llvalue = "llvm_build_extractelement"
1147external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
1148                               llbuilder -> llvalue = "llvm_build_insertelement"
1149external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
1150                               llbuilder -> llvalue = "llvm_build_shufflevector"
1151external build_extractvalue : llvalue -> int -> string -> llbuilder -> llvalue
1152                            = "llvm_build_extractvalue"
1153external build_insertvalue : llvalue -> llvalue -> int -> string -> llbuilder ->
1154                             llvalue = "llvm_build_insertvalue"
1155
1156external build_is_null : llvalue -> string -> llbuilder -> llvalue
1157                       = "llvm_build_is_null"
1158external build_is_not_null : llvalue -> string -> llbuilder -> llvalue
1159                           = "llvm_build_is_not_null"
1160external build_ptrdiff : llvalue -> llvalue -> string -> llbuilder -> llvalue
1161                       = "llvm_build_ptrdiff"
1162
1163
1164(*===-- Memory buffers ----------------------------------------------------===*)
1165
1166module MemoryBuffer = struct
1167  external of_file : string -> llmemorybuffer = "llvm_memorybuffer_of_file"
1168  external of_stdin : unit -> llmemorybuffer = "llvm_memorybuffer_of_stdin"
1169  external dispose : llmemorybuffer -> unit = "llvm_memorybuffer_dispose"
1170end
1171
1172
1173(*===-- Pass Manager ------------------------------------------------------===*)
1174
1175module PassManager = struct
1176  type 'a t
1177  type any = [ `Module | `Function ]
1178  external create : unit -> [ `Module ] t = "llvm_passmanager_create"
1179  external create_function : llmodule -> [ `Function ] t
1180                           = "LLVMCreateFunctionPassManager"
1181  external run_module : llmodule -> [ `Module ] t -> bool
1182                      = "llvm_passmanager_run_module"
1183  external initialize : [ `Function ] t -> bool = "llvm_passmanager_initialize"
1184  external run_function : llvalue -> [ `Function ] t -> bool
1185                        = "llvm_passmanager_run_function"
1186  external finalize : [ `Function ] t -> bool = "llvm_passmanager_finalize"
1187  external dispose : [< any ] t -> unit = "llvm_passmanager_dispose"
1188end
1189
1190
1191(*===-- Non-Externs -------------------------------------------------------===*)
1192(* These functions are built using the externals, so must be declared late.   *)
1193
1194let concat2 sep arr =
1195  let s = ref "" in
1196  if 0 < Array.length arr then begin
1197    s := !s ^ arr.(0);
1198    for i = 1 to (Array.length arr) - 1 do
1199      s := !s ^ sep ^ arr.(i)
1200    done
1201  end;
1202  !s
1203
1204let rec string_of_lltype ty =
1205  (* FIXME: stop infinite recursion! :) *)
1206  match classify_type ty with
1207    TypeKind.Integer -> "i" ^ string_of_int (integer_bitwidth ty)
1208  | TypeKind.Pointer ->
1209      (let ety = element_type ty in
1210      match classify_type ety with
1211      | TypeKind.Struct ->
1212          (match struct_name ety with
1213          | None -> (string_of_lltype ety)
1214          | Some s -> s) ^ "*"
1215      | _ -> (string_of_lltype (element_type ty)) ^ "*")
1216  | TypeKind.Struct ->
1217      let s = "{ " ^ (concat2 ", " (
1218                Array.map string_of_lltype (struct_element_types ty)
1219              )) ^ " }" in
1220      if is_packed ty
1221        then "<" ^ s ^ ">"
1222        else s
1223  | TypeKind.Array -> "["   ^ (string_of_int (array_length ty)) ^
1224                      " x " ^ (string_of_lltype (element_type ty)) ^ "]"
1225  | TypeKind.Vector -> "<"   ^ (string_of_int (vector_size ty)) ^
1226                       " x " ^ (string_of_lltype (element_type ty)) ^ ">"
1227  | TypeKind.Function -> string_of_lltype (return_type ty) ^
1228                         " (" ^ (concat2 ", " (
1229                           Array.map string_of_lltype (param_types ty)
1230                         )) ^ ")"
1231  | TypeKind.Label -> "label"
1232  | TypeKind.Ppc_fp128 -> "ppc_fp128"
1233  | TypeKind.Fp128 -> "fp128"
1234  | TypeKind.X86fp80 -> "x86_fp80"
1235  | TypeKind.Double -> "double"
1236  | TypeKind.Float -> "float"
1237  | TypeKind.Void -> "void"
1238  | TypeKind.Metadata -> "metadata"
1239