1 (*===-- tools/ml/llvm.ml - LLVM Ocaml Interface ---------------------------===*
3 * The LLVM Compiler Infrastructure
5 * This file was developed by Gordon Henriksen and is distributed under the
6 * University of Illinois Open Source License. See LICENSE.TXT for details.
8 *===----------------------------------------------------------------------===
10 * This interface provides an ocaml API for the LLVM intermediate
11 * representation, the classes in the VMCore library.
13 *===----------------------------------------------------------------------===*)
16 (* These abstract types correlate directly to the LLVM VMCore classes. *)
20 type llbasicblock (* These are actually values, but
21 benefit from type checking. *)
48 | External_weak_linkage
54 | Protected_visibility
59 val x86_stdcallcc : int
60 val x86_fastcallcc : int
93 (*===-- Modules -----------------------------------------------------------===*)
95 (* Creates a module with the supplied module ID. Modules are not garbage
96 collected; it is mandatory to call dispose_module to free memory. *)
97 external create_module : string -> llmodule = "llvm_create_module"
99 (* Disposes a module. All references to subordinate objects are invalidated;
100 referencing them will invoke undefined behavior. *)
101 external dispose_module : llmodule -> unit = "llvm_dispose_module"
103 (* Adds a named type to the module's symbol table. Returns true if successful.
104 If such a name already exists, then no entry is added and returns false. *)
105 external define_type_name : string -> lltype -> llmodule -> bool
106 = "llvm_add_type_name"
108 external delete_type_name : string -> llmodule -> unit
109 = "llvm_delete_type_name"
112 (*===-- Types -------------------------------------------------------------===*)
113 external classify_type : lltype -> type_kind = "llvm_classify_type"
114 external refine_abstract_type : lltype -> lltype -> unit
115 = "llvm_refine_abstract_type"
116 val string_of_lltype : lltype -> string
118 (*--... Operations on integer types ........................................--*)
121 val i16_type : lltype
122 val i32_type : lltype
123 val i64_type : lltype
124 external integer_type : int -> lltype = "llvm_integer_type"
125 external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"
127 (*--... Operations on real types ...........................................--*)
128 val float_type : lltype
129 val double_type : lltype
130 val x86fp80_type : lltype
131 val fp128_type : lltype
132 val ppc_fp128_type : lltype
134 (*--... Operations on function types .......................................--*)
135 (* FIXME: handle parameter attributes *)
136 external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
137 external var_arg_function_type : lltype -> lltype array -> lltype
138 = "llvm_var_arg_function_type"
139 external is_var_arg : lltype -> bool = "llvm_is_var_arg"
140 external return_type : lltype -> lltype = "LLVMGetReturnType"
141 external param_types : lltype -> lltype array = "llvm_param_types"
143 (*--... Operations on struct types .........................................--*)
144 external struct_type : lltype array -> lltype = "llvm_struct_type"
145 external packed_struct_type : lltype array -> lltype = "llvm_packed_struct_type"
146 external element_types : lltype -> lltype array = "llvm_element_types"
147 external is_packed : lltype -> bool = "llvm_is_packed"
149 (*--... Operations on pointer, vector, and array types .....................--*)
150 external array_type : lltype -> int -> lltype = "llvm_array_type"
151 external pointer_type : lltype -> lltype = "LLVMPointerType"
152 external vector_type : lltype -> int -> lltype = "llvm_vector_type"
154 external element_type : lltype -> lltype = "LLVMGetElementType"
155 external array_length : lltype -> int = "llvm_array_length"
156 external vector_size : lltype -> int = "llvm_vector_size"
158 (*--... Operations on other types ..........................................--*)
159 external opaque_type : unit -> lltype = "llvm_opaque_type"
160 val void_type : lltype
161 val label_type : lltype
164 (*===-- Values ------------------------------------------------------------===*)
165 external type_of : llvalue -> lltype = "llvm_type_of"
166 external value_name : llvalue -> string = "llvm_value_name"
167 external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
168 external dump_value : llvalue -> unit = "llvm_dump_value"
170 (*--... Operations on constants of (mostly) any type .......................--*)
171 external is_constant : llvalue -> bool = "llvm_is_constant"
172 external const_null : lltype -> llvalue = "LLVMConstNull"
173 external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
174 external undef : lltype -> llvalue = "LLVMGetUndef"
175 external is_null : llvalue -> bool = "llvm_is_null"
176 external is_undef : llvalue -> bool = "llvm_is_undef"
178 (*--... Operations on scalar constants .....................................--*)
179 external const_int : lltype -> int -> llvalue = "llvm_const_int"
180 external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
181 = "llvm_const_of_int64"
182 external const_float : lltype -> float -> llvalue = "llvm_const_float"
184 (*--... Operations on composite constants ..................................--*)
185 external const_string : string -> llvalue = "llvm_const_string"
186 external const_stringz : string -> llvalue = "llvm_const_stringz"
187 external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
188 external const_struct : llvalue array -> llvalue = "llvm_const_struct"
189 external const_packed_struct : llvalue array -> llvalue
190 = "llvm_const_packed_struct"
191 external const_vector : llvalue array -> llvalue = "llvm_const_vector"
193 (*--... Constant expressions ...............................................--*)
194 external size_of : lltype -> llvalue = "LLVMSizeOf"
195 external const_neg : llvalue -> llvalue = "LLVMConstNeg"
196 external const_not : llvalue -> llvalue = "LLVMConstNot"
197 external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
198 external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
199 external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
200 external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
201 external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
202 external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
203 external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
204 external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
205 external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
206 external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
207 external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
208 external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
209 external const_icmp : int_predicate -> llvalue -> llvalue -> llvalue
211 external const_fcmp : real_predicate -> llvalue -> llvalue -> llvalue
213 external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
214 external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
215 external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
216 external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
217 external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
218 external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
219 external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
220 external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
221 external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
222 external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
223 external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
224 external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
225 external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
226 external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
227 external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
228 external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
229 external const_select : llvalue -> llvalue -> llvalue -> llvalue
231 external const_extractelement : llvalue -> llvalue -> llvalue
232 = "LLVMConstExtractElement"
233 external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
234 = "LLVMConstInsertElement"
235 external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
236 = "LLVMConstShuffleVector"
238 (*--... Operations on global variables, functions, and aliases (globals) ...--*)
239 external is_declaration : llvalue -> bool = "llvm_is_declaration"
240 external linkage : llvalue -> linkage = "llvm_linkage"
241 external set_linkage : linkage -> llvalue -> unit = "llvm_set_linkage"
242 external section : llvalue -> string = "llvm_section"
243 external set_section : string -> llvalue -> unit = "llvm_set_section"
244 external visibility : llvalue -> visibility = "llvm_visibility"
245 external set_visibility : visibility -> llvalue -> unit = "llvm_set_visibility"
246 external alignment : llvalue -> int = "llvm_alignment"
247 external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
249 (*--... Operations on global variables .....................................--*)
250 external declare_global : lltype -> string -> llmodule -> llvalue
251 = "llvm_declare_global"
252 external define_global : string -> llvalue -> llmodule -> llvalue
253 = "llvm_define_global"
254 external delete_global : llvalue -> unit = "llvm_delete_global"
255 external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
256 external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
257 external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
258 external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
259 external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
261 (*--... Operations on functions ............................................--*)
262 external declare_function : string -> lltype -> llmodule -> llvalue
263 = "llvm_declare_function"
264 external define_function : string -> lltype -> llmodule -> llvalue
265 = "llvm_define_function"
266 external delete_function : llvalue -> unit = "llvm_delete_function"
267 external params : llvalue -> llvalue array = "llvm_params"
268 external param : llvalue -> int -> llvalue = "llvm_param"
269 external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
270 external function_call_conv : llvalue -> int = "llvm_function_call_conv"
271 external set_function_call_conv : int -> llvalue -> unit
272 = "llvm_set_function_call_conv"
274 (*--... Operations on basic blocks .........................................--*)
275 external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
276 external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
277 external delete_block : llbasicblock -> unit = "llvm_delete_block"
278 external append_block : string -> llvalue -> llbasicblock = "llvm_append_block"
279 external insert_block : string -> llbasicblock -> llbasicblock
280 = "llvm_insert_block"
281 external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
282 external value_is_block : llvalue -> bool = "llvm_value_is_block"
283 external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
286 (*===-- Instruction builders ----------------------------------------------===*)
287 external builder_before : llvalue -> llbuilder = "llvm_builder_before"
288 external builder_at_end : llbasicblock -> llbuilder = "llvm_builder_at_end"
289 external position_before : llvalue -> llbuilder -> unit = "llvm_position_before"
290 external position_at_end : llbasicblock -> llbuilder -> unit
291 = "llvm_position_at_end"
293 (*--... Terminators ........................................................--*)
294 external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
295 external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
296 external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
297 external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
298 llvalue = "llvm_build_cond_br"
299 external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
300 = "llvm_build_switch"
301 external build_invoke : llvalue -> llvalue array -> llbasicblock ->
302 llbasicblock -> string -> llbuilder -> llvalue
303 = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
304 external build_unwind : llbuilder -> llvalue = "llvm_build_unwind"
305 external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"
307 (*--... Arithmetic .........................................................--*)
308 external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
310 external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
312 external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
314 external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
316 external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
318 external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
320 external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
322 external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
324 external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
326 external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
328 external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
330 external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
332 external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
334 external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
336 external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
338 external build_neg : llvalue -> string -> llbuilder -> llvalue
340 external build_not : llvalue -> string -> llbuilder -> llvalue
343 (*--... Memory .............................................................--*)
344 external build_malloc : lltype -> string -> llbuilder -> llvalue
345 = "llvm_build_malloc"
346 external build_array_malloc : lltype -> llvalue -> string -> llbuilder ->
347 llvalue = "llvm_build_array_malloc"
348 external build_alloca : lltype -> string -> llbuilder -> llvalue
349 = "llvm_build_alloca"
350 external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
351 llvalue = "llvm_build_array_alloca"
352 external build_free : llvalue -> llbuilder -> llvalue = "llvm_build_free"
353 external build_load : llvalue -> string -> llbuilder -> llvalue
355 external build_store : llvalue -> llvalue -> llbuilder -> llvalue
357 external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
360 (*--... Casts ..............................................................--*)
361 external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
363 external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
365 external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
367 external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
368 = "llvm_build_fptoui"
369 external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
370 = "llvm_build_fptosi"
371 external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
372 = "llvm_build_uitofp"
373 external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
374 = "llvm_build_sitofp"
375 external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
376 = "llvm_build_fptrunc"
377 external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
379 external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
380 = "llvm_build_prttoint"
381 external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
382 = "llvm_build_inttoptr"
383 external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
384 = "llvm_build_bitcast"
386 (*--... Comparisons ........................................................--*)
387 external build_icmp : int_predicate -> llvalue -> llvalue -> string ->
388 llbuilder -> llvalue = "llvm_build_icmp"
389 external build_fcmp : real_predicate -> llvalue -> llvalue -> string ->
390 llbuilder -> llvalue = "llvm_build_fcmp"
392 (*--... Miscellaneous instructions .........................................--*)
393 external build_phi : lltype -> string -> llbuilder -> llvalue = "llvm_build_phi"
394 external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
396 external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
397 llvalue = "llvm_build_select"
398 external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
399 = "llvm_build_va_arg"
400 external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
401 llvalue = "llvm_build_extractelement"
402 external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
403 llbuilder -> llvalue = "llvm_build_insertelement"
404 external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
405 llbuilder -> llvalue = "llvm_build_shufflevector"