mirror of
https://github.com/c64scene-ar/llvm-6502.git
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2618a6c112
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42760 91177308-0d34-0410-b5e6-96231b3b80d8
486 lines
22 KiB
OCaml
486 lines
22 KiB
OCaml
(*===-- tools/ml/llvm.ml - LLVM Ocaml Interface ---------------------------===*
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*
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* The LLVM Compiler Infrastructure
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*
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* This file was developed by Gordon Henriksen and is distributed under the
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* University of Illinois Open Source License. See LICENSE.TXT for details.
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*
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*===----------------------------------------------------------------------===
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*
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* This interface provides an ocaml API for the LLVM intermediate
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* representation, the classes in the VMCore library.
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*
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*===----------------------------------------------------------------------===*)
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(* These abstract types correlate directly to the LLVM VMCore classes. *)
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type llmodule
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type lltype
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type lltypehandle
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type llvalue
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type llbasicblock (* These are actually values, but
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benefit from type checking. *)
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type llbuilder
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type type_kind =
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Void_type
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| Float_type
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| Double_type
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| X86fp80_type
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| Fp128_type
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| Ppc_fp128_type
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| Label_type
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| Integer_type
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| Function_type
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| Struct_type
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| Array_type
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| Pointer_type
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| Opaque_type
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| Vector_type
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type linkage =
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External_linkage
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| Link_once_linkage
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| Weak_linkage
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| Appending_linkage
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| Internal_linkage
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| Dllimport_linkage
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| Dllexport_linkage
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| External_weak_linkage
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| Ghost_linkage
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type visibility =
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Default_visibility
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| Hidden_visibility
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| Protected_visibility
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let ccc = 0
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let fastcc = 8
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let coldcc = 9
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let x86_stdcallcc = 64
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let x86_fastcallcc = 65
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type int_predicate =
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Icmp_eq
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| Icmp_ne
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| Icmp_ugt
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| Icmp_uge
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| Icmp_ult
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| Icmp_ule
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| Icmp_sgt
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| Icmp_sge
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| Icmp_slt
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| Icmp_sle
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type real_predicate =
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Fcmp_false
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| Fcmp_oeq
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| Fcmp_ogt
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| Fcmp_oge
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| Fcmp_olt
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| Fcmp_ole
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| Fcmp_one
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| Fcmp_ord
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| Fcmp_uno
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| Fcmp_ueq
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| Fcmp_ugt
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| Fcmp_uge
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| Fcmp_ult
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| Fcmp_ule
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| Fcmp_une
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| Fcmp_true
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(*===-- Modules -----------------------------------------------------------===*)
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(* Creates a module with the supplied module ID. Modules are not garbage
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collected; it is mandatory to call dispose_module to free memory. *)
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external create_module : string -> llmodule = "llvm_create_module"
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(* Disposes a module. All references to subordinate objects are invalidated;
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referencing them will invoke undefined behavior. *)
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external dispose_module : llmodule -> unit = "llvm_dispose_module"
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(* Adds a named type to the module's symbol table. Returns true if successful.
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If such a name already exists, then no entry is added and returns false. *)
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external define_type_name : string -> lltype -> llmodule -> bool
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= "llvm_add_type_name"
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external delete_type_name : string -> llmodule -> unit
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= "llvm_delete_type_name"
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(*===-- Types -------------------------------------------------------------===*)
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external classify_type : lltype -> type_kind = "llvm_classify_type"
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external refine_abstract_type : lltype -> lltype -> unit
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= "llvm_refine_abstract_type"
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(*--... Operations on integer types ........................................--*)
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external _i1_type : unit -> lltype = "llvm_i1_type"
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external _i8_type : unit -> lltype = "llvm_i8_type"
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external _i16_type : unit -> lltype = "llvm_i16_type"
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external _i32_type : unit -> lltype = "llvm_i32_type"
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external _i64_type : unit -> lltype = "llvm_i64_type"
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let i1_type = _i1_type ()
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let i8_type = _i8_type ()
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let i16_type = _i16_type ()
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let i32_type = _i32_type ()
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let i64_type = _i64_type ()
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external integer_type : int -> lltype = "llvm_integer_type"
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external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"
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(*--... Operations on real types ...........................................--*)
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external _float_type : unit -> lltype = "llvm_float_type"
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external _double_type : unit -> lltype = "llvm_double_type"
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external _x86fp80_type : unit -> lltype = "llvm_x86fp80_type"
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external _fp128_type : unit -> lltype = "llvm_fp128_type"
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external _ppc_fp128_type : unit -> lltype = "llvm_ppc_fp128_type"
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let float_type = _float_type ()
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let double_type = _double_type ()
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let x86fp80_type = _x86fp80_type ()
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let fp128_type = _fp128_type ()
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let ppc_fp128_type = _ppc_fp128_type ()
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(*--... Operations on function types .......................................--*)
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(* FIXME: handle parameter attributes *)
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external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
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external var_arg_function_type : lltype -> lltype array -> lltype
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= "llvm_var_arg_function_type"
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external is_var_arg : lltype -> bool = "llvm_is_var_arg"
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external return_type : lltype -> lltype = "LLVMGetReturnType"
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external param_types : lltype -> lltype array = "llvm_param_types"
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(*--... Operations on struct types .........................................--*)
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external struct_type : lltype array -> lltype = "llvm_struct_type"
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external packed_struct_type : lltype array -> lltype = "llvm_packed_struct_type"
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external element_types : lltype -> lltype array = "llvm_element_types"
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external is_packed : lltype -> bool = "llvm_is_packed"
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(*--... Operations on pointer, vector, and array types .....................--*)
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external array_type : lltype -> int -> lltype = "llvm_array_type"
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external pointer_type : lltype -> lltype = "LLVMPointerType"
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external vector_type : lltype -> int -> lltype = "llvm_vector_type"
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external element_type : lltype -> lltype = "LLVMGetElementType"
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external array_length : lltype -> int = "llvm_array_length"
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external vector_size : lltype -> int = "llvm_vector_size"
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(*--... Operations on other types ..........................................--*)
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external opaque_type : unit -> lltype = "llvm_opaque_type"
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external _void_type : unit -> lltype = "llvm_void_type"
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external _label_type : unit -> lltype = "llvm_label_type"
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let void_type = _void_type ()
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let label_type = _label_type ()
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(*--... Operations on type handles .........................................--*)
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external handle_to_type : lltype -> lltypehandle = "llvm_handle_to_type"
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external type_of_handle : lltypehandle -> lltype = "llvm_type_of_handle"
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external refine_type : lltype -> lltype -> unit = "llvm_refine_type"
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(*===-- Values ------------------------------------------------------------===*)
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external type_of : llvalue -> lltype = "llvm_type_of"
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external value_name : llvalue -> string = "llvm_value_name"
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external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
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external dump_value : llvalue -> unit = "llvm_dump_value"
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(*--... Operations on constants of (mostly) any type .......................--*)
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external is_constant : llvalue -> bool = "llvm_is_constant"
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external const_null : lltype -> llvalue = "LLVMConstNull"
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external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
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external undef : lltype -> llvalue = "LLVMGetUndef"
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external is_null : llvalue -> bool = "llvm_is_null"
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external is_undef : llvalue -> bool = "llvm_is_undef"
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(*--... Operations on scalar constants .....................................--*)
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external const_int : lltype -> int -> llvalue = "llvm_const_int"
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external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
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= "llvm_const_of_int64"
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external const_float : lltype -> float -> llvalue = "llvm_const_float"
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(*--... Operations on composite constants ..................................--*)
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external const_string : string -> llvalue = "llvm_const_string"
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external const_stringz : string -> llvalue = "llvm_const_stringz"
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external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
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external const_struct : llvalue array -> llvalue = "llvm_const_struct"
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external const_packed_struct : llvalue array -> llvalue
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= "llvm_const_packed_struct"
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external const_vector : llvalue array -> llvalue = "llvm_const_vector"
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(*--... Constant expressions ...............................................--*)
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external size_of : lltype -> llvalue = "LLVMSizeOf"
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external const_neg : llvalue -> llvalue = "LLVMConstNeg"
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external const_not : llvalue -> llvalue = "LLVMConstNot"
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external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
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external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
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external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
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external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
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external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
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external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
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external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
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external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
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external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
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external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
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external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
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external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
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external const_icmp : int_predicate -> llvalue -> llvalue -> llvalue
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= "llvm_const_icmp"
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external const_fcmp : real_predicate -> llvalue -> llvalue -> llvalue
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= "llvm_const_fcmp"
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external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
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external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
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external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
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external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
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external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
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external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
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external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
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external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
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external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
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external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
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external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
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external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
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external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
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external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
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external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
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external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
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external const_select : llvalue -> llvalue -> llvalue -> llvalue
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= "LLVMConstSelect"
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external const_extractelement : llvalue -> llvalue -> llvalue
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= "LLVMConstExtractElement"
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external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
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= "LLVMConstInsertElement"
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external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
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= "LLVMConstShuffleVector"
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(*--... Operations on global variables, functions, and aliases (globals) ...--*)
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external is_declaration : llvalue -> bool = "llvm_is_declaration"
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external linkage : llvalue -> linkage = "llvm_linkage"
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external set_linkage : linkage -> llvalue -> unit = "llvm_set_linkage"
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external section : llvalue -> string = "llvm_section"
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external set_section : string -> llvalue -> unit = "llvm_set_section"
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external visibility : llvalue -> visibility = "llvm_visibility"
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external set_visibility : visibility -> llvalue -> unit = "llvm_set_visibility"
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external alignment : llvalue -> int = "llvm_alignment"
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external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
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external is_global_constant : llvalue -> bool = "llvm_is_global_constant"
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external set_global_constant : bool -> llvalue -> unit
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= "llvm_set_global_constant"
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(*--... Operations on global variables .....................................--*)
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external declare_global : lltype -> string -> llmodule -> llvalue
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= "llvm_declare_global"
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external define_global : string -> llvalue -> llmodule -> llvalue
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= "llvm_define_global"
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external lookup_global : string -> llmodule -> llvalue option
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= "llvm_lookup_global"
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external delete_global : llvalue -> unit = "llvm_delete_global"
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external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
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external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
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external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
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external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
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external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
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(*--... Operations on functions ............................................--*)
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external declare_function : string -> lltype -> llmodule -> llvalue
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= "llvm_declare_function"
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external define_function : string -> lltype -> llmodule -> llvalue
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= "llvm_define_function"
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external lookup_function : string -> llmodule -> llvalue option
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= "llvm_lookup_function"
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external delete_function : llvalue -> unit = "llvm_delete_function"
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external params : llvalue -> llvalue array = "llvm_params"
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external param : llvalue -> int -> llvalue = "llvm_param"
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external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
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external function_call_conv : llvalue -> int = "llvm_function_call_conv"
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external set_function_call_conv : int -> llvalue -> unit
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= "llvm_set_function_call_conv"
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(* TODO: param attrs *)
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(*--... Operations on basic blocks .........................................--*)
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external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
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external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
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external delete_block : llbasicblock -> unit = "llvm_delete_block"
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external append_block : string -> llvalue -> llbasicblock = "llvm_append_block"
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external insert_block : string -> llbasicblock -> llbasicblock
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= "llvm_insert_block"
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external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
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external value_is_block : llvalue -> bool = "llvm_value_is_block"
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external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
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(*--... Operations on phi nodes ............................................--*)
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external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
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= "llvm_add_incoming"
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external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
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(*===-- Instruction builders ----------------------------------------------===*)
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external builder_before : llvalue -> llbuilder = "llvm_builder_before"
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external builder_at_end : llbasicblock -> llbuilder = "llvm_builder_at_end"
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external position_before : llvalue -> llbuilder -> unit = "llvm_position_before"
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external position_at_end : llbasicblock -> llbuilder -> unit
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= "llvm_position_at_end"
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(*--... Terminators ........................................................--*)
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external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
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external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
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external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
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external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
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llvalue = "llvm_build_cond_br"
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external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
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= "llvm_build_switch"
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external build_invoke : llvalue -> llvalue array -> llbasicblock ->
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llbasicblock -> string -> llbuilder -> llvalue
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= "llvm_build_invoke_bc" "llvm_build_invoke_nat"
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external build_unwind : llbuilder -> llvalue = "llvm_build_unwind"
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external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"
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(*--... Arithmetic .........................................................--*)
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external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_add"
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external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_sub"
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external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_mul"
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external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_udiv"
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external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_sdiv"
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external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_fdiv"
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external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_urem"
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external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_srem"
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external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_frem"
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external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_shl"
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external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_lshr"
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external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_ashr"
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external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_and"
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external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_or"
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external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_xor"
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external build_neg : llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_neg"
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external build_not : llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_not"
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(*--... Memory .............................................................--*)
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external build_malloc : lltype -> string -> llbuilder -> llvalue
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= "llvm_build_malloc"
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external build_array_malloc : lltype -> llvalue -> string -> llbuilder ->
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llvalue = "llvm_build_array_malloc"
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external build_alloca : lltype -> string -> llbuilder -> llvalue
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= "llvm_build_alloca"
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external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
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llvalue = "llvm_build_array_alloca"
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external build_free : llvalue -> llbuilder -> llvalue = "llvm_build_free"
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external build_load : llvalue -> string -> llbuilder -> llvalue
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= "llvm_build_load"
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external build_store : llvalue -> llvalue -> llbuilder -> llvalue
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= "llvm_build_store"
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external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
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= "llvm_build_gep"
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(*--... Casts ..............................................................--*)
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external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
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= "llvm_build_trunc"
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external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
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= "llvm_build_zext"
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external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
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= "llvm_build_sext"
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external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
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= "llvm_build_fptoui"
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external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
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= "llvm_build_fptosi"
|
|
external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
|
|
= "llvm_build_uitofp"
|
|
external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
|
|
= "llvm_build_sitofp"
|
|
external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
|
|
= "llvm_build_fptrunc"
|
|
external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
|
|
= "llvm_build_fpext"
|
|
external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
|
|
= "llvm_build_prttoint"
|
|
external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
|
|
= "llvm_build_inttoptr"
|
|
external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
|
|
= "llvm_build_bitcast"
|
|
|
|
(*--... Comparisons ........................................................--*)
|
|
external build_icmp : int_predicate -> llvalue -> llvalue -> string ->
|
|
llbuilder -> llvalue = "llvm_build_icmp"
|
|
external build_fcmp : real_predicate -> llvalue -> llvalue -> string ->
|
|
llbuilder -> llvalue = "llvm_build_fcmp"
|
|
|
|
(*--... Miscellaneous instructions .........................................--*)
|
|
external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
|
|
llvalue = "llvm_build_phi"
|
|
external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
|
|
= "llvm_build_call"
|
|
external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
|
|
llvalue = "llvm_build_select"
|
|
external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
|
|
= "llvm_build_va_arg"
|
|
external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
|
|
llvalue = "llvm_build_extractelement"
|
|
external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
|
|
llbuilder -> llvalue = "llvm_build_insertelement"
|
|
external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
|
|
llbuilder -> llvalue = "llvm_build_shufflevector"
|
|
|
|
|
|
(*===-- Non-Externs -------------------------------------------------------===*)
|
|
(* These functions are built using the externals, so must be declared late. *)
|
|
|
|
let concat2 sep arr =
|
|
let s = ref "" in
|
|
if 0 < Array.length arr then begin
|
|
s := !s ^ arr.(0);
|
|
for i = 1 to (Array.length arr) - 1 do
|
|
s := !s ^ sep ^ arr.(i)
|
|
done
|
|
end;
|
|
!s
|
|
|
|
let rec string_of_lltype ty =
|
|
match classify_type ty with
|
|
Integer_type -> "i" ^ string_of_int (integer_bitwidth ty)
|
|
| Pointer_type -> (string_of_lltype (element_type ty)) ^ "*"
|
|
| Struct_type ->
|
|
let s = "{ " ^ (concat2 ", " (
|
|
Array.map string_of_lltype (element_types ty)
|
|
)) ^ " }" in
|
|
if is_packed ty
|
|
then "<" ^ s ^ ">"
|
|
else s
|
|
| Array_type -> "[" ^ (string_of_int (array_length ty)) ^
|
|
" x " ^ (string_of_lltype (element_type ty)) ^ "]"
|
|
| Vector_type -> "<" ^ (string_of_int (vector_size ty)) ^
|
|
" x " ^ (string_of_lltype (element_type ty)) ^ ">"
|
|
| Opaque_type -> "opaque"
|
|
| Function_type -> string_of_lltype (return_type ty) ^
|
|
" (" ^ (concat2 ", " (
|
|
Array.map string_of_lltype (param_types ty)
|
|
)) ^ ")"
|
|
| Label_type -> "label"
|
|
| Ppc_fp128_type -> "ppc_fp128"
|
|
| Fp128_type -> "fp128"
|
|
| X86fp80_type -> "x86_fp80"
|
|
| Double_type -> "double"
|
|
| Float_type -> "float"
|
|
| Void_type -> "void"
|