X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=bindings%2Focaml%2Fllvm%2Fllvm.mli;h=5aedefb9257f1993904e6d08c86dc021dffb12ac;hp=7e14cd78bb696cb51969c55bafee553a655bfe6f;hb=033d778249e59548c495f39166a53fa80f48eb91;hpb=8ef426baa36639458f6777309db25c1768dc9c8a

diff --git a/bindings/ocaml/llvm/llvm.mli b/bindings/ocaml/llvm/llvm.mli
index 7e14cd78bb6..5aedefb9257 100644
--- a/bindings/ocaml/llvm/llvm.mli
+++ b/bindings/ocaml/llvm/llvm.mli
@@ -1,170 +1,1665 @@
-(*===-- tools/ml/llvm.ml - LLVM Ocaml Interface ---------------------------===*
+(*===-- llvm/llvm.mli - LLVM Ocaml Interface -------------------------------===*
  *
  *                     The LLVM Compiler Infrastructure
  *
- * This file was developed by Gordon Henriksen and is distributed under the
- * University of Illinois Open Source License. See LICENSE.TXT for details.
- *
- *===----------------------------------------------------------------------===
- *
- * This interface provides an ocaml API for the LLVM intermediate
- * representation, the classes in the VMCore library.
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
  *
  *===----------------------------------------------------------------------===*)
 
+(** Core API.
+
+    This interface provides an ocaml API for the LLVM intermediate
+    representation, the classes in the VMCore library. *)
+
+
+(** {6 Abstract types}
+
+    These abstract types correlate directly to the LLVM VMCore classes. *)
 
-(* These abstract types correlate directly to the LLVM VMCore classes. *)
+(** The top-level container for all other LLVM Intermediate Representation (IR)
+    objects. See the [llvm::Module] class. *)
 type llmodule
+
+(** Each value in the LLVM IR has a type, an instance of [lltype]. See the
+    [llvm::Type] class. *)
 type lltype
+
+(** When building recursive types using {!refine_type}, [lltype] values may
+    become invalid; use [lltypehandle] to resolve this problem. See the
+    [llvm::AbstractTypeHolder] class. *)
+type lltypehandle
+
+(** Any value in the LLVM IR. Functions, instructions, global variables,
+    constants, and much more are all [llvalues]. See the [llvm::Value] class.
+    This type covers a wide range of subclasses. *)
 type llvalue
 
-type type_kind =
-  Void_type
-| Float_type
-| Double_type
-| X86fp80_type
-| Fp128_type
-| Ppc_fp128_type
-| Label_type
-| Integer_type
-| Function_type
-| Struct_type
-| Array_type
-| Pointer_type 
-| Opaque_type
-| Vector_type
-
-type linkage =
-  External_linkage
-| Link_once_linkage
-| Weak_linkage
-| Appending_linkage
-| Internal_linkage
-| Dllimport_linkage
-| Dllexport_linkage
-| External_weak_linkage
-| Ghost_linkage
-
-type visibility =
-  Default_visibility
-| Hidden_visibility
-| Protected_visibility
-
-
-(*===-- Modules -----------------------------------------------------------===*)
-
-(* Creates a module with the supplied module ID. Modules are not garbage
-   collected; it is mandatory to call dispose_module to free memory. *)
+(** A basic block in LLVM IR. See the [llvm::BasicBlock] class. *)
+type llbasicblock
+
+(** Used to generate instructions in the LLVM IR. See the [llvm::LLVMBuilder]
+    class. *)
+type llbuilder
+
+(** Used to provide a module to JIT or interpreter.
+    See the [llvm::ModuleProvider] class. *)
+type llmoduleprovider
+
+(** Used to efficiently handle large buffers of read-only binary data.
+    See the [llvm::MemoryBuffer] class. *)
+type llmemorybuffer
+
+(** The kind of an [lltype], the result of [classify_type ty]. See the
+    [llvm::Type::TypeID] enumeration. *)
+module TypeKind : sig
+  type t =
+    Void
+  | Float
+  | Double
+  | X86fp80
+  | Fp128
+  | Ppc_fp128
+  | Label
+  | Integer
+  | Function
+  | Struct
+  | Array
+  | Pointer
+  | Opaque
+  | Vector
+end
+
+(** The linkage of a global value, accessed with {!linkage} and
+    {!set_linkage}. See [llvm::GlobalValue::LinkageTypes]. *)
+module Linkage : sig
+  type t =
+    External
+  | Link_once
+  | Weak
+  | Appending
+  | Internal
+  | Dllimport
+  | Dllexport
+  | External_weak
+  | Ghost
+end
+
+(** The linker visibility of a global value, accessed with {!visibility} and
+    {!set_visibility}. See [llvm::GlobalValue::VisibilityTypes]. *)
+module Visibility : sig
+  type t =
+    Default
+  | Hidden
+  | Protected
+end
+
+(** The following calling convention values may be accessed with
+    {!function_call_conv} and {!set_function_call_conv}. Calling
+    conventions are open-ended. *)
+module CallConv : sig
+  val c : int             (** [c] is the C calling convention. *)
+  val fast : int          (** [fast] is the calling convention to allow LLVM
+                              maximum optimization opportunities. Use only with
+                              internal linkage. *)
+  val cold : int          (** [cold] is the calling convention for
+                              callee-save. *)
+  val x86_stdcall : int   (** [x86_stdcall] is the familiar stdcall calling
+                              convention from C. *)
+  val x86_fastcall : int  (** [x86_fastcall] is the familiar fastcall calling
+                              convention from C. *)
+end
+
+(** The predicate for an integer comparison ([icmp]) instruction.
+    See the [llvm::ICmpInst::Predicate] enumeration. *)
+module Icmp : sig
+  type t =
+  | Eq
+  | Ne
+  | Ugt
+  | Uge
+  | Ult
+  | Ule
+  | Sgt
+  | Sge
+  | Slt
+  | Sle
+end
+
+(** The predicate for a floating-point comparison ([fcmp]) instruction.
+    See the [llvm::FCmpInst::Predicate] enumeration. *)
+module Fcmp : sig
+  type t =
+  | False
+  | Oeq
+  | Ogt
+  | Oge
+  | Olt
+  | Ole
+  | One
+  | Ord
+  | Uno
+  | Ueq
+  | Ugt
+  | Uge
+  | Ult
+  | Ule
+  | Une
+  | True
+end
+
+
+(** {6 Iteration} *)
+
+(** [Before b] and [At_end a] specify positions from the start of the ['b] list
+    of [a]. [llpos] is used to specify positions in and for forward iteration
+    through the various value lists maintained by the LLVM IR. *)
+type ('a, 'b) llpos =
+| At_end of 'a
+| Before of 'b
+
+(** [After b] and [At_start a] specify positions from the end of the ['b] list
+    of [a]. [llrev_pos] is used for reverse iteration through the various value
+    lists maintained by the LLVM IR. *)
+type ('a, 'b) llrev_pos =
+| At_start of 'a
+| After of 'b
+
+
+(** {6 Exceptions} *)
+
+exception IoError of string
+
+
+(** {6 Modules} *)
+
+(** [create_module id] creates a module with the supplied module ID. Modules are
+    not garbage collected; it is mandatory to call {!dispose_module} to free
+    memory. See the constructor [llvm::Module::Module]. *)
 external create_module : string -> llmodule = "llvm_create_module"
 
-(* Disposes a module. All references to subordinate objects are invalidated;
-   referencing them will invoke undefined behavior. *)
+(** [dispose_module m] destroys a module [m] and all of the IR objects it
+    contained. All references to subordinate objects are invalidated;
+    referencing them will invoke undefined behavior. See the destructor
+    [llvm::Module::~Module]. *)
 external dispose_module : llmodule -> unit = "llvm_dispose_module"
 
-(* Adds a named type to the module's symbol table. Returns true if successful.
-   If such a name already exists, then no entry is added and returns false. *)
-external add_type_name : string -> lltype -> llmodule -> bool
-                       = "llvm_add_type_name"
+(** [target_triple m] is the target specifier for the module [m], something like
+    [i686-apple-darwin8]. See the method [llvm::Module::getTargetTriple]. *)
+external target_triple: llmodule -> string
+                      = "llvm_target_triple"
+
+(** [target_triple triple m] changes the target specifier for the module [m] to
+    the string [triple]. See the method [llvm::Module::setTargetTriple]. *)
+external set_target_triple: string -> llmodule -> unit
+                          = "llvm_set_target_triple"
+
+(** [data_layout m] is the data layout specifier for the module [m], something
+    like [e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-...-a0:0:64-f80:128:128]. See the
+    method [llvm::Module::getDataLayout]. *)
+external data_layout: llmodule -> string
+                    = "llvm_data_layout"
+
+(** [set_data_layout s m] changes the data layout specifier for the module [m]
+    to the string [s]. See the method [llvm::Module::setDataLayout]. *)
+external set_data_layout: string -> llmodule -> unit
+                        = "llvm_set_data_layout"
 
+(** [define_type_name name ty m] adds a named type to the module's symbol table.
+    Returns [true] if successful. If such a name already exists, then no entry
+    is added and [false] is returned. See the [llvm::Module::addTypeName]
+    method. *)
+external define_type_name : string -> lltype -> llmodule -> bool
+                          = "llvm_add_type_name"
 
-(*===-- Types -------------------------------------------------------------===*)
-external classify_type : lltype -> type_kind = "llvm_classify_type"
-external refine_abstract_type : lltype -> lltype -> unit
-                              = "llvm_refine_abstract_type"
+(** [delete_type_name name] removes a type name from the module's symbol
+    table. *)
+external delete_type_name : string -> llmodule -> unit
+                          = "llvm_delete_type_name"
+
+(** [dump_module m] prints the .ll representation of the module [m] to standard
+    error. See the method [llvm::Module::dump]. *)
+external dump_module : llmodule -> unit = "llvm_dump_module"
+
+
+(** {6 Types} *)
+
+(** [classify_type ty] returns the {!TypeKind.t} corresponding to the type [ty].
+    See the method [llvm::Type::getTypeID]. *)
+external classify_type : lltype -> TypeKind.t = "llvm_classify_type"
+
+(** [string_of_lltype ty] returns a string describing the type [ty]. *)
 val string_of_lltype : lltype -> string
 
-(*--... Operations on integer types ........................................--*)
+(** {7 Operations on integer types} *)
+
+(** The 1-bit integer type. See [llvm::Type::Int1Ty]. *)
 val i1_type : lltype
+
+(** The 8-bit integer type. See [llvm::Type::Int8Ty]. *)
 val i8_type : lltype
+
+(** The 16-bit integer type. See [llvm::Type::Int16Ty]. *)
 val i16_type : lltype
+
+(** The 32-bit integer type. See [llvm::Type::Int32Ty]. *)
 val i32_type : lltype
+
+(** The 64-bit integer type. See [llvm::Type::Int64Ty]. *)
 val i64_type : lltype
-external make_integer_type : int -> lltype = "llvm_make_integer_type"
+
+(** [integer_type n] returns an integer type of bitwidth [n].
+    See the method [llvm::IntegerType::get]. *)
+external integer_type : int -> lltype = "llvm_integer_type"
+
+(** [integer_bitwidth ty] returns the number of bits in the integer type [ty].
+    See the method [llvm::IntegerType::getBitWidth]. *)
 external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"
 
-(*--... Operations on real types ...........................................--*)
+
+(** {7 Operations on real types} *)
+
+(** The IEEE 32-bit floating point type. See [llvm::Type::FloatTy]. *)
 val float_type : lltype
+
+(** The IEEE 64-bit floating point type. See [llvm::Type::DoubleTy]. *)
 val double_type : lltype
+
+(** The x87 80-bit floating point type. See [llvm::Type::X86_FP80Ty]. *)
 val x86fp80_type : lltype
+
+(** The IEEE 128-bit floating point type. See [llvm::Type::FP128Ty]. *)
 val fp128_type : lltype
+
+(** The PowerPC 128-bit floating point type. See [llvm::Type::PPC_FP128Ty]. *)
 val ppc_fp128_type : lltype
 
-(*--... Operations on function types .......................................--*)
-(* FIXME: handle parameter attributes                                         *)
-external make_function_type : lltype -> lltype array -> bool -> lltype
-                            = "llvm_make_function_type"
+
+(** {7 Operations on function types} *)
+
+(** [function_type ret_ty param_tys] returns the function type returning
+    [ret_ty] and taking [param_tys] as parameters.
+    See the method [llvm::FunctionType::get]. *)
+external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
+
+(** [va_arg_function_type ret_ty param_tys] is just like
+    [function_type ret_ty param_tys] except that it returns the function type
+    which also takes a variable number of arguments.
+    See the method [llvm::FunctionType::get]. *)
+external var_arg_function_type : lltype -> lltype array -> lltype
+                               = "llvm_var_arg_function_type"
+
+(** [is_var_arg fty] returns [true] if [fty] is a varargs function type, [false]
+    otherwise. See the method [llvm::FunctionType::isVarArg]. *)
 external is_var_arg : lltype -> bool = "llvm_is_var_arg"
-external return_type : lltype -> lltype = "llvm_return_type"
+
+(** [return_type fty] gets the return type of the function type [fty].
+    See the method [llvm::FunctionType::getReturnType]. *)
+external return_type : lltype -> lltype = "LLVMGetReturnType"
+
+(** [param_types fty] gets the parameter types of the function type [fty].
+    See the method [llvm::FunctionType::getParamType]. *)
 external param_types : lltype -> lltype array = "llvm_param_types"
 
-(*--... Operations on struct types .........................................--*)
-external make_struct_type : lltype array -> bool -> lltype
-                          = "llvm_make_struct_type"
+
+(** {7 Operations on struct types} *)
+
+(** [struct_type tys] returns the structure type containing in the types in the
+    array [tys]. See the method [llvm::StructType::get]. *)
+external struct_type : lltype array -> lltype = "llvm_struct_type"
+
+(** [struct_type tys] returns the packed structure type containing in the types
+    in the array [tys]. See the method [llvm::StructType::get]. *)
+external packed_struct_type : lltype array -> lltype = "llvm_packed_struct_type"
+
+(** [element_types sty] returns the constituent types of the struct type [sty].
+    See the method [llvm::StructType::getElementType]. *)
 external element_types : lltype -> lltype array = "llvm_element_types"
+
+(** [is_packed sty] returns [true] if the structure type [sty] is packed,
+    [false] otherwise. See the method [llvm::StructType::isPacked]. *)
 external is_packed : lltype -> bool = "llvm_is_packed"
 
-(*--... Operations on pointer, vector, and array types .....................--*)
-external make_array_type : lltype -> int -> lltype = "llvm_make_array_type"
-external make_pointer_type : lltype -> lltype = "llvm_make_pointer_type"
-external make_vector_type : lltype -> int -> lltype = "llvm_make_vector_type"
 
-external element_type : lltype -> lltype = "llvm_element_type"
+(** {7 Operations on pointer, vector, and array types} *)
+
+(** [array_type ty n] returns the array type containing [n] elements of type
+    [ty]. See the method [llvm::ArrayType::get]. *)
+external array_type : lltype -> int -> lltype = "llvm_array_type"
+
+(** [pointer_type ty] returns the pointer type referencing objects of type
+    [ty] in the default address space (0).
+    See the method [llvm::PointerType::getUnqual]. *)
+external pointer_type : lltype -> lltype = "llvm_pointer_type"
+
+(** [qualified_pointer_type ty as] returns the pointer type referencing objects
+    of type [ty] in address space [as].
+    See the method [llvm::PointerType::get]. *)
+external qualified_pointer_type : lltype -> int -> lltype
+                                = "llvm_qualified_pointer_type"
+
+(** [vector_type ty n] returns the array type containing [n] elements of the
+    primitive type [ty]. See the method [llvm::ArrayType::get]. *)
+external vector_type : lltype -> int -> lltype = "llvm_vector_type"
+
+(** [element_type ty] returns the element type of the pointer, vector, or array
+    type [ty]. See the method [llvm::SequentialType::get]. *)
+external element_type : lltype -> lltype = "LLVMGetElementType"
+
+(** [element_type aty] returns the element count of the array type [aty].
+    See the method [llvm::ArrayType::getNumElements]. *)
 external array_length : lltype -> int = "llvm_array_length"
+
+(** [address_space pty] returns the address space qualifier of the pointer type
+    [pty]. See the method [llvm::PointerType::getAddressSpace]. *)
+external address_space : lltype -> int = "llvm_address_space"
+
+(** [element_type ty] returns the element count of the vector type [ty].
+    See the method [llvm::VectorType::getNumElements]. *)
 external vector_size : lltype -> int = "llvm_vector_size"
 
-(*--... Operations on other types ..........................................--*)
-external make_opaque_type : unit -> lltype = "llvm_make_opaque_type"
+
+(** {7 Operations on other types} *)
+
+(** [opaque_type ()] creates a new opaque type distinct from any other.
+    Opaque types are useful for building recursive types in combination with
+    {!refine_type}.
+    See [llvm::OpaqueType::get]. *)
+external opaque_type : unit -> lltype = "llvm_opaque_type"
+
+(** [void_type] is the type of a function which does not return any value.
+    See [llvm::Type::VoidTy]. *)
 val void_type : lltype
+
+(** [label_type] is the type of a basic block. See [llvm::Type::LabelTy]. *)
 val label_type : lltype
 
+(** {7 Operations on type handles} *)
 
-(*===-- Values ------------------------------------------------------------===*)
+(** [handle_to_type ty] creates a handle to the type [ty]. If [ty] is later
+    refined as a result of a call to {!refine_type}, the handle will be updated;
+    any bare [lltype] references will become invalid.
+    See the class [llvm::PATypeHolder]. *)
+external handle_to_type : lltype -> lltypehandle = "llvm_handle_to_type"
+
+(** [type_of_handle tyh] resolves the type handle [tyh].
+    See the method [llvm::PATypeHolder::get()]. *)
+external type_of_handle : lltypehandle -> lltype = "llvm_type_of_handle"
+
+(** [refine_type opaque_ty ty] replaces the abstract type [opaque_ty] with the
+    concrete type [ty] in all users. Warning: This may invalidate {!lltype}
+    values! Use {!lltypehandle} to manipulate potentially abstract types. See
+    the method [llvm::Type::refineAbstractType]. *)
+external refine_type : lltype -> lltype -> unit = "llvm_refine_type"
+
+
+(* {6 Values} *)
+
+(** [type_of v] returns the type of the value [v].
+    See the method [llvm::Value::getType]. *)
 external type_of : llvalue -> lltype = "llvm_type_of"
+
+(** [value_name v] returns the name of the value [v]. For global values, this is
+    the symbol name. For instructions and basic blocks, it is the SSA register
+    name. It is meaningless for constants.
+    See the method [llvm::Value::getName]. *)
 external value_name : llvalue -> string = "llvm_value_name"
+
+(** [set_value_name n v] sets the name of the value [v] to [n]. See the method
+    [llvm::Value::setName]. *)
 external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
 
-(*--... Operations on constants of (mostly) any type .......................--*)
-external make_null : lltype -> llvalue = "llvm_make_null"
-external make_all_ones : lltype -> llvalue = "llvm_make_all_ones"
-external make_undef : lltype -> llvalue = "llvm_make_undef"
+(** [dump_value v] prints the .ll representation of the value [v] to standard
+    error. See the method [llvm::Value::dump]. *)
+external dump_value : llvalue -> unit = "llvm_dump_value"
+
+
+(** {7 Operations on constants of (mostly) any type} *)
+
+(** [is_constant v] returns [true] if the value [v] is a constant, [false]
+    otherwise. Similar to [llvm::isa<Constant>]. *)
+external is_constant : llvalue -> bool = "llvm_is_constant"
+
+(** [const_null ty] returns the constant null (zero) of the type [ty].
+    See the method [llvm::Constant::getNullValue]. *)
+external const_null : lltype -> llvalue = "LLVMConstNull"
+
+(** [const_all_ones ty] returns the constant '-1' of the integer or vector type
+    [ty]. See the method [llvm::Constant::getAllOnesValue]. *)
+external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
+
+(** [undef ty] returns the undefined value of the type [ty].
+    See the method [llvm::UndefValue::get]. *)
+external undef : lltype -> llvalue = "LLVMGetUndef"
+
+(** [is_null v] returns [true] if the value [v] is the null (zero) value.
+    See the method [llvm::Constant::isNullValue]. *)
 external is_null : llvalue -> bool = "llvm_is_null"
 
-(*--... Operations on scalar constants .....................................--*)
-external make_int_constant : lltype -> int -> bool -> llvalue
-                           = "llvm_make_int_constant"
-external make_real_constant : lltype -> float -> llvalue
-                            = "llvm_make_real_constant"
-
-(*--... Operations on composite constants ..................................--*)
-external make_string_constant : string -> bool -> llvalue
-                              = "llvm_make_string_constant"
-external make_array_constant : lltype -> llvalue array -> llvalue
-                             = "llvm_make_array_constant"
-external make_struct_constant : llvalue array -> bool -> llvalue
-                              = "llvm_make_struct_constant"
-external make_vector_constant : llvalue array -> llvalue
-                              = "llvm_make_vector_constant"
-
-(*--... Operations on global variables, functions, and aliases (globals) ...--*)
+(** [is_undef v] returns [true] if the value [v] is an undefined value, [false]
+    otherwise. Similar to [llvm::isa<UndefValue>]. *)
+external is_undef : llvalue -> bool = "llvm_is_undef"
+
+
+(** {7 Operations on scalar constants} *)
+
+(** [const_int ty i] returns the integer constant of type [ty] and value [i].
+    See the method [llvm::ConstantInt::get]. *)
+external const_int : lltype -> int -> llvalue = "llvm_const_int"
+
+(** [const_of_int64 ty i] returns the integer constant of type [ty] and value
+    [i]. See the method [llvm::ConstantInt::get]. *)
+external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
+                        = "llvm_const_of_int64"
+
+(** [const_float ty n] returns the floating point constant of type [ty] and
+    value [n]. See the method [llvm::ConstantInt::get]. *)
+external const_float : lltype -> float -> llvalue = "llvm_const_float"
+
+
+(** {7 Operations on composite constants} *)
+
+(** [const_string s] returns the constant [i8] array with the values of the
+    characters in the string [s]. The array is not null-terminated (but see
+    {!const_stringz}). This value can in turn be used as the initializer for a
+    global variable. See the method [llvm::ConstantArray::get]. *)
+external const_string : string -> llvalue = "llvm_const_string"
+
+(** [const_stringz s] returns the constant [i8] array with the values of the
+    characters in the string [s] and a null terminator. This value can in turn
+    be used as the initializer for a global variable.
+    See the method [llvm::ConstantArray::get]. *)
+external const_stringz : string -> llvalue = "llvm_const_stringz"
+
+(** [const_array ty elts] returns the constant array of type
+    [array_type ty (Array.length elts)] and containing the values [elts].
+    This value can in turn be used as the initializer for a global variable.
+    See the method [llvm::ConstantArray::get]. *)
+external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
+
+(** [const_struct elts] returns the structured constant of type
+    [struct_type (Array.map type_of elts)] and containing the values [elts].
+    This value can in turn be used as the initializer for a global variable.
+    See the method [llvm::ConstantStruct::get]. *)
+external const_struct : llvalue array -> llvalue = "llvm_const_struct"
+
+(** [const_packed_struct elts] returns the structured constant of type
+    {!packed_struct_type} [(Array.map type_of elts)] and containing the values
+    [elts]. This value can in turn be used as the initializer for a global
+    variable. See the method [llvm::ConstantStruct::get]. *)
+external const_packed_struct : llvalue array -> llvalue
+                             = "llvm_const_packed_struct"
+
+(** [const_vector elts] returns the vector constant of type
+    [vector_type (type_of elts.(0)) (Array.length elts)] and containing the
+    values [elts]. See the method [llvm::ConstantVector::get]. *)
+external const_vector : llvalue array -> llvalue = "llvm_const_vector"
+
+
+(** {7 Constant expressions} *)
+
+(** [size_of ty] returns the sizeof constant for the type [ty]. This is
+    equivalent to [const_ptrtoint (const_gep (const_null (pointer_type ty))
+    (const_int i64_type 1)) i64_type], but considerably more readable.
+    See the method [llvm::ConstantExpr::getSizeOf]. *)
+external size_of : lltype -> llvalue = "LLVMSizeOf"
+
+(** [const_neg c] returns the arithmetic negation of the constant [c].
+    See the method [llvm::ConstantExpr::getNeg]. *)
+external const_neg : llvalue -> llvalue = "LLVMConstNeg"
+
+(** [const_not c] returns the bitwise inverse of the constant [c].
+    See the method [llvm::ConstantExpr::getNot]. *)
+external const_not : llvalue -> llvalue = "LLVMConstNot"
+
+(** [const_add c1 c2] returns the constant sum of two constants.
+    See the method [llvm::ConstantExpr::getAdd]. *)
+external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
+
+(** [const_sub c1 c2] returns the constant difference, [c1 - c2], of two
+    constants. See the method [llvm::ConstantExpr::getSub]. *)
+external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
+
+(** [const_mul c1 c2] returns the constant product of two constants.
+    See the method [llvm::ConstantExpr::getMul]. *)
+external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
+
+(** [const_udiv c1 c2] returns the constant quotient [c1 / c2] of two unsigned
+    integer constants.
+    See the method [llvm::ConstantExpr::getUDiv]. *)
+external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
+
+(** [const_sdiv c1 c2] returns the constant quotient [c1 / c2] of two signed
+    integer constants.
+    See the method [llvm::ConstantExpr::]. *)
+external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
+
+(** [const_fdiv c1 c2] returns the constant quotient [c1 / c2] of two floating
+    point constants.
+    See the method [llvm::ConstantExpr::getFDiv]. *)
+external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
+
+(** [const_udiv c1 c2] returns the constant remainder [c1 MOD c2] of two
+    unsigned integer constants.
+    See the method [llvm::ConstantExpr::getURem]. *)
+external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
+
+(** [const_sdiv c1 c2] returns the constant remainder [c1 MOD c2] of two
+    signed integer constants.
+    See the method [llvm::ConstantExpr::getSRem]. *)
+external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
+
+(** [const_frem c1 c2] returns the constant remainder [c1 MOD c2] of two
+    signed floating point constants.
+    See the method [llvm::ConstantExpr::getFRem]. *)
+external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
+
+(** [const_and c1 c2] returns the constant bitwise [AND] of two integer
+    constants.
+    See the method [llvm::ConstantExpr::getAnd]. *)
+external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
+
+(** [const_or c1 c2] returns the constant bitwise [OR] of two integer
+    constants.
+    See the method [llvm::ConstantExpr::getOr]. *)
+external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
+
+(** [const_xor c1 c2] returns the constant bitwise [XOR] of two integer
+    constants.
+    See the method [llvm::ConstantExpr::getXor]. *)
+external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
+
+(** [const_icmp pred c1 c2] returns the constant comparison of two integer
+    constants, [c1 pred c2].
+    See the method [llvm::ConstantExpr::getICmp]. *)
+external const_icmp : Icmp.t -> llvalue -> llvalue -> llvalue
+                    = "llvm_const_icmp"
+
+(** [const_fcmp pred c1 c2] returns the constant comparison of two floating
+    point constants, [c1 pred c2].
+    See the method [llvm::ConstantExpr::getFCmp]. *)
+external const_fcmp : Fcmp.t -> llvalue -> llvalue -> llvalue
+                    = "llvm_const_fcmp"
+
+(** [const_shl c1 c2] returns the constant integer [c1] left-shifted by the
+    constant integer [c2].
+    See the method [llvm::ConstantExpr::getShl]. *)
+external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
+
+(** [const_lshr c1 c2] returns the constant integer [c1] right-shifted by the
+    constant integer [c2] with zero extension.
+    See the method [llvm::ConstantExpr::getLShr]. *)
+external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
+
+(** [const_ashr c1 c2] returns the constant integer [c1] right-shifted by the
+    constant integer [c2] with sign extension.
+    See the method [llvm::ConstantExpr::getAShr]. *)
+external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
+
+(** [const_gep pc indices] returns the constant [getElementPtr] of [p1] with the
+    constant integers indices from the array [indices].
+    See the method [llvm::ConstantExpr::getGetElementPtr]. *)
+external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
+
+(** [const_trunc c ty] returns the constant truncation of integer constant [c]
+    to the smaller integer type [ty].
+    See the method [llvm::ConstantExpr::getTrunc]. *)
+external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
+
+(** [const_sext c ty] returns the constant sign extension of integer constant
+    [c] to the larger integer type [ty].
+    See the method [llvm::ConstantExpr::getSExt]. *)
+external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
+
+(** [const_zext c ty] returns the constant zero extension of integer constant
+    [c] to the larger integer type [ty].
+    See the method [llvm::ConstantExpr::getZExt]. *)
+external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
+
+(** [const_fptrunc c ty] returns the constant truncation of floating point
+    constant [c] to the smaller floating point type [ty].
+    See the method [llvm::ConstantExpr::getFPTrunc]. *)
+external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
+
+(** [const_fpext c ty] returns the constant extension of floating point constant
+    [c] to the larger floating point type [ty].
+    See the method [llvm::ConstantExpr::getFPExt]. *)
+external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
+
+(** [const_uitofp c ty] returns the constant floating point conversion of
+    unsigned integer constant [c] to the floating point type [ty].
+    See the method [llvm::ConstantExpr::getUIToFP]. *)
+external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
+
+(** [const_sitofp c ty] returns the constant floating point conversion of
+    signed integer constant [c] to the floating point type [ty].
+    See the method [llvm::ConstantExpr::getSIToFP]. *)
+external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
+
+(** [const_fptoui c ty] returns the constant unsigned integer conversion of
+    floating point constant [c] to integer type [ty].
+    See the method [llvm::ConstantExpr::getFPToUI]. *)
+external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
+
+(** [const_fptoui c ty] returns the constant unsigned integer conversion of
+    floating point constant [c] to integer type [ty].
+    See the method [llvm::ConstantExpr::getFPToSI]. *)
+external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
+
+(** [const_ptrtoint c ty] returns the constant integer conversion of
+    pointer constant [c] to integer type [ty].
+    See the method [llvm::ConstantExpr::getPtrToInt]. *)
+external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
+
+(** [const_inttoptr c ty] returns the constant pointer conversion of
+    integer constant [c] to pointer type [ty].
+    See the method [llvm::ConstantExpr::getIntToPtr]. *)
+external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
+
+(** [const_bitcast c ty] returns the constant bitwise conversion of constant [c]
+    to type [ty] of equal size.
+    See the method [llvm::ConstantExpr::getBitCast]. *)
+external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
+
+(** [const_select cond t f] returns the constant conditional which returns value
+    [t] if the boolean constant [cond] is true and the value [f] otherwise.
+    See the method [llvm::ConstantExpr::getSelect]. *)
+external const_select : llvalue -> llvalue -> llvalue -> llvalue
+                      = "LLVMConstSelect"
+
+(** [const_extractelement vec i] returns the constant [i]th element of
+    constant vector [vec]. [i] must be a constant [i32] value unsigned less than
+    the size of the vector.
+    See the method [llvm::ConstantExpr::getExtractElement]. *)
+external const_extractelement : llvalue -> llvalue -> llvalue
+                              = "LLVMConstExtractElement"
+
+(** [const_insertelement vec v i] returns the constant vector with the same
+    elements as constant vector [v] but the [i]th element replaced by the
+    constant [v]. [v] must be a constant value with the type of the vector
+    elements. [i] must be a constant [i32] value unsigned less than the size
+    of the vector.
+    See the method [llvm::ConstantExpr::getInsertElement]. *)
+external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
+                             = "LLVMConstInsertElement"
+
+(** [const_shufflevector a b mask] returns a constant [shufflevector].
+    See the LLVM Language Reference for details on the [sufflevector]
+    instruction.
+    See the method [llvm::ConstantExpr::getShuffleVector]. *)
+external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
+                             = "LLVMConstShuffleVector"
+
+
+(** {7 Operations on global variables, functions, and aliases (globals)} *)
+
+(** [global_parent g] is the enclosing module of the global value [g].
+    See the method [llvm::GlobalValue::getParent]. *)
+external global_parent : llvalue -> llmodule = "LLVMGetGlobalParent"
+
+(** [is_declaration g] returns [true] if the global value [g] is a declaration
+    only. Returns [false] otherwise.
+    See the method [llvm::GlobalValue::isDeclaration]. *)
 external is_declaration : llvalue -> bool = "llvm_is_declaration"
-external linkage : llvalue -> linkage = "llvm_linkage"
-external set_linkage : linkage -> llvalue -> unit = "llvm_set_linkage"
+
+(** [linkage g] returns the linkage of the global value [g].
+    See the method [llvm::GlobalValue::getLinkage]. *)
+external linkage : llvalue -> Linkage.t = "llvm_linkage"
+
+(** [set_linkage l g] sets the linkage of the global value [g] to [l].
+    See the method [llvm::GlobalValue::setLinkage]. *)
+external set_linkage : Linkage.t -> llvalue -> unit = "llvm_set_linkage"
+
+(** [section g] returns the linker section of the global value [g].
+    See the method [llvm::GlobalValue::getSection]. *)
 external section : llvalue -> string = "llvm_section"
+
+(** [set_section s g] sets the linker section of the global value [g] to [s].
+    See the method [llvm::GlobalValue::setSection]. *)
 external set_section : string -> llvalue -> unit = "llvm_set_section"
-external visibility : llvalue -> visibility = "llvm_visibility"
-external set_visibility : visibility -> llvalue -> unit = "llvm_set_visibility"
+
+(** [visibility g] returns the linker visibility of the global value [g].
+    See the method [llvm::GlobalValue::getVisibility]. *)
+external visibility : llvalue -> Visibility.t = "llvm_visibility"
+
+(** [set_visibility v g] sets the linker visibility of the global value [g] to
+    [v]. See the method [llvm::GlobalValue::setVisibility]. *)
+external set_visibility : Visibility.t -> llvalue -> unit
+                        = "llvm_set_visibility"
+
+(** [alignment g] returns the required alignment of the global value [g].
+    See the method [llvm::GlobalValue::getAlignment]. *)
 external alignment : llvalue -> int = "llvm_alignment"
+
+(** [set_alignment n g] sets the required alignment of the global value [g] to
+    [n] bytes. See the method [llvm::GlobalValue::setAlignment]. *)
 external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
 
-(*--... Operations on global variables .....................................--*)
+
+(** {7 Operations on global variables} *)
+
+(** [declare_global ty name m] returns a new global variable of type [ty] and
+    with name [name] in module [m]. If such a global variable already exists,
+    it is returned. If the type of the existing global differs, then a bitcast
+    to [ty] is returned. *)
 external declare_global : lltype -> string -> llmodule -> llvalue
                         = "llvm_declare_global"
+
+(** [define_global name init m] returns a new global with name [name] and
+    initializer [init] in module [m]. If the named global already exists, it is
+    renamed.
+    See the constructor of [llvm::GlobalVariable]. *)
 external define_global : string -> llvalue -> llmodule -> llvalue
                        = "llvm_define_global"
+
+(** [lookup_global name m] returns [Some g] if a global variable with name
+    [name] exists in module [m]. If no such global exists, returns [None].
+    See the [llvm::GlobalVariable] constructor. *)
+external lookup_global : string -> llmodule -> llvalue option
+                       = "llvm_lookup_global"
+
+(** [delete_global gv] destroys the global variable [gv].
+    See the method [llvm::GlobalVariable::eraseFromParent]. *)
 external delete_global : llvalue -> unit = "llvm_delete_global"
-external global_initializer : llvalue -> llvalue = "llvm_global_initializer"
+
+(** [global_begin m] returns the first position in the global variable list of
+    the module [m]. [global_begin] and [global_succ] can be used to iterate
+    over the global list in order.
+    See the method [llvm::Module::global_begin]. *)
+external global_begin : llmodule -> (llmodule, llvalue) llpos
+                      = "llvm_global_begin"
+
+(** [global_succ gv] returns the global variable list position succeeding
+    [Before gv].
+    See the method [llvm::Module::global_iterator::operator++]. *)
+external global_succ : llvalue -> (llmodule, llvalue) llpos
+                     = "llvm_global_succ"
+
+(** [iter_globals f m] applies function [f] to each of the global variables of
+    module [m] in order. Tail recursive. *)
+val iter_globals : (llvalue -> unit) -> llmodule -> unit
+
+(** [fold_left_globals f init m] is [f (... (f init g1) ...) gN] where
+    [g1,...,gN] are the global variables of module [m]. Tail recursive. *)
+val fold_left_globals : ('a -> llvalue -> 'a) -> 'a -> llmodule -> 'a
+
+(** [global_end m] returns the last position in the global variable list of the
+    module [m]. [global_end] and [global_pred] can be used to iterate over the
+    global list in reverse.
+    See the method [llvm::Module::global_end]. *)
+external global_end : llmodule -> (llmodule, llvalue) llrev_pos
+                    = "llvm_global_end"
+
+(** [global_pred gv] returns the global variable list position preceding
+    [After gv].
+    See the method [llvm::Module::global_iterator::operator--]. *)
+external global_pred : llvalue -> (llmodule, llvalue) llrev_pos
+                     = "llvm_global_pred"
+
+(** [rev_iter_globals f m] applies function [f] to each of the global variables
+    of module [m] in reverse order. Tail recursive. *)
+val rev_iter_globals : (llvalue -> unit) -> llmodule -> unit
+
+(** [fold_right_globals f m init] is [f g1 (... (f gN init) ...)] where
+    [g1,...,gN] are the global variables of module [m]. Tail recursive. *)
+val fold_right_globals : (llvalue -> 'a -> 'a) -> llmodule -> 'a -> 'a
+
+(** [is_global_constant gv] returns [true] if the global variabile [gv] is a
+    constant. Returns [false] otherwise.
+    See the method [llvm::GlobalVariable::isConstant]. *)
+external is_global_constant : llvalue -> bool = "llvm_is_global_constant"
+
+(** [set_global_constant c gv] sets the global variable [gv] to be a constant if
+    [c] is [true] and not if [c] is [false].
+    See the method [llvm::GlobalVariable::setConstant]. *)
+external set_global_constant : bool -> llvalue -> unit
+                             = "llvm_set_global_constant"
+
+(** [has_initializer gv] returns [true] if the global variable [gv] has an
+    initializer and [false] otherwise.
+    See the method [llvm::GlobalVariable::hasInitializer]. *)
+external has_initializer : llvalue -> bool = "llvm_has_initializer"
+
+(** [global_initializer gv] returns the initializer for the global variable
+    [gv]. See the method [llvm::GlobalVariable::getInitializer]. *)
+external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
+
+(** [set_initializer c gv] sets the initializer for the global variable
+    [gv] to the constant [c].
+    See the method [llvm::GlobalVariable::setInitializer]. *)
 external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
+
+(** [remove_initializer gv] unsets the initializer for the global variable
+    [gv].
+    See the method [llvm::GlobalVariable::setInitializer]. *)
 external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
+
+(** [is_thread_local gv] returns [true] if the global variable [gv] is
+    thread-local and [false] otherwise.
+    See the method [llvm::GlobalVariable::isThreadLocal]. *)
 external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
+
+(** [set_thread_local c gv] sets the global variable [gv] to be thread local if
+    [c] is [true] and not otherwise.
+    See the method [llvm::GlobalVariable::setThreadLocal]. *)
 external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
 
+
+(** {7 Operations on functions} *)
+
+(** [declare_function name ty m] returns a new function of type [ty] and
+    with name [name] in module [m]. If such a function already exists,
+    it is returned. If the type of the existing function differs, then a bitcast
+    to [ty] is returned. *)
+external declare_function : string -> lltype -> llmodule -> llvalue
+                          = "llvm_declare_function"
+
+(** [define_function name ty m] creates a new function with name [name] and
+    type [ty] in module [m]. If the named function already exists, it is
+    renamed. An entry basic block is created in the function.
+    See the constructor of [llvm::GlobalVariable]. *)
+external define_function : string -> lltype -> llmodule -> llvalue
+                         = "llvm_define_function"
+
+(** [lookup_function name m] returns [Some f] if a function with name
+    [name] exists in module [m]. If no such function exists, returns [None].
+    See the method [llvm::Module] constructor. *)
+external lookup_function : string -> llmodule -> llvalue option
+                         = "llvm_lookup_function"
+
+(** [delete_function f] destroys the function [f].
+    See the method [llvm::Function::eraseFromParent]. *)
+external delete_function : llvalue -> unit = "llvm_delete_function"
+
+(** [function_begin m] returns the first position in the function list of the
+    module [m]. [function_begin] and [function_succ] can be used to iterate over
+    the function list in order.
+    See the method [llvm::Module::begin]. *)
+external function_begin : llmodule -> (llmodule, llvalue) llpos
+                        = "llvm_function_begin"
+
+(** [function_succ gv] returns the function list position succeeding
+    [Before gv].
+    See the method [llvm::Module::iterator::operator++]. *)
+external function_succ : llvalue -> (llmodule, llvalue) llpos
+                       = "llvm_function_succ"
+
+(** [iter_functions f m] applies function [f] to each of the functions of module
+    [m] in order. Tail recursive. *)
+val iter_functions : (llvalue -> unit) -> llmodule -> unit
+
+(** [fold_left_function f init m] is [f (... (f init f1) ...) fN] where
+    [f1,...,fN] are the functions of module [m]. Tail recursive. *)
+val fold_left_functions : ('a -> llvalue -> 'a) -> 'a -> llmodule -> 'a
+
+(** [function_end m] returns the last position in the function list of
+    the module [m]. [function_end] and [function_pred] can be used to iterate
+    over the function list in reverse.
+    See the method [llvm::Module::end]. *)
+external function_end : llmodule -> (llmodule, llvalue) llrev_pos
+                      = "llvm_function_end"
+
+(** [function_pred gv] returns the function list position preceding [After gv].
+    See the method [llvm::Module::iterator::operator--]. *)
+external function_pred : llvalue -> (llmodule, llvalue) llrev_pos
+                       = "llvm_function_pred"
+
+(** [rev_iter_functions f fn] applies function [f] to each of the functions of
+    module [m] in reverse order. Tail recursive. *)
+val rev_iter_functions : (llvalue -> unit) -> llmodule -> unit
+
+(** [fold_right_functions f m init] is [f (... (f init fN) ...) f1] where
+    [f1,...,fN] are the functions of module [m]. Tail recursive. *)
+val fold_right_functions : (llvalue -> 'a -> 'a) -> llmodule -> 'a -> 'a
+
+(** [is_intrinsic f] returns true if the function [f] is an intrinsic.
+    See the method [llvm::Function::isIntrinsic]. *)
+external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
+
+(** [function_call_conv f] returns the calling convention of the function [f].
+    See the method [llvm::Function::getCallingConv]. *)
+external function_call_conv : llvalue -> int = "llvm_function_call_conv"
+
+(** [set_function_call_conv cc f] sets the calling convention of the function
+    [f] to the calling convention numbered [cc].
+    See the method [llvm::Function::setCallingConv]. *)
+external set_function_call_conv : int -> llvalue -> unit
+                                = "llvm_set_function_call_conv"
+
+(** [collector f] returns [Some name] if the function [f] has a garbage
+    collection algorithm specified and [None] otherwise.
+    See the method [llvm::Function::getCollector]. *)
+external collector : llvalue -> string option = "llvm_collector"
+
+(** [set_collector gc f] sets the collection algorithm for the function [f] to
+    [gc]. See the method [llvm::Function::setCollector]. *)
+external set_collector : string option -> llvalue -> unit = "llvm_set_collector"
+
+
+(** {7 Operations on params} *)
+
+(** [params f] returns the parameters of function [f].
+    See the method [llvm::Function::getArgumentList]. *)
+external params : llvalue -> llvalue array = "llvm_params"
+
+(** [param f n] returns the [n]th parameter of function [f].
+    See the method [llvm::Function::getArgumentList]. *)
+external param : llvalue -> int -> llvalue = "llvm_param"
+
+(** [param_parent p] returns the parent function that owns the parameter.
+    See the method [llvm::Argument::getParent]. *)
+external param_parent : llvalue -> llvalue = "LLVMGetParamParent"
+
+(** [param_begin f] returns the first position in the parameter list of the
+    function [f]. [param_begin] and [param_succ] can be used to iterate over
+    the parameter list in order.
+    See the method [llvm::Function::arg_begin]. *)
+external param_begin : llvalue -> (llvalue, llvalue) llpos = "llvm_param_begin"
+
+(** [param_succ bb] returns the parameter list position succeeding
+    [Before bb].
+    See the method [llvm::Function::arg_iterator::operator++]. *)
+external param_succ : llvalue -> (llvalue, llvalue) llpos = "llvm_param_succ"
+
+(** [iter_params f fn] applies function [f] to each of the parameters
+    of function [fn] in order. Tail recursive. *)
+val iter_params : (llvalue -> unit) -> llvalue -> unit
+
+(** [fold_left_params f init fn] is [f (... (f init b1) ...) bN] where
+    [b1,...,bN] are the parameters of function [fn]. Tail recursive. *)
+val fold_left_params : ('a -> llvalue -> 'a) -> 'a -> llvalue -> 'a
+
+(** [param_end f] returns the last position in the parameter list of
+    the function [f]. [param_end] and [param_pred] can be used to iterate
+    over the parameter list in reverse.
+    See the method [llvm::Function::arg_end]. *)
+external param_end : llvalue -> (llvalue, llvalue) llrev_pos = "llvm_param_end"
+
+(** [param_pred gv] returns the function list position preceding [After gv].
+    See the method [llvm::Function::arg_iterator::operator--]. *)
+external param_pred : llvalue -> (llvalue, llvalue) llrev_pos
+                    = "llvm_param_pred"
+
+(** [rev_iter_params f fn] applies function [f] to each of the parameters
+    of function [fn] in reverse order. Tail recursive. *)
+val rev_iter_params : (llvalue -> unit) -> llvalue -> unit
+
+(** [fold_right_params f fn init] is [f (... (f init bN) ...) b1] where
+    [b1,...,bN] are the parameters of function [fn]. Tail recursive. *)
+val fold_right_params : (llvalue -> 'a -> 'a) -> llvalue -> 'a -> 'a
+
+
+(** {7 Operations on basic blocks} *)
+
+(** [basic_blocks fn] returns the basic blocks of the function [f].
+    See the method [llvm::Function::getBasicBlockList]. *)
+external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
+
+(** [entry_block fn] returns the entry basic block of the function [f].
+    See the method [llvm::Function::getEntryBlock]. *)
+external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
+
+(** [delete_block bb] deletes the basic block [bb].
+    See the method [llvm::BasicBlock::eraseFromParent]. *)
+external delete_block : llbasicblock -> unit = "llvm_delete_block"
+
+(** [append_block name f] creates a new basic block named [name] at the end of
+    function [f].
+    See the constructor of [llvm::BasicBlock]. *)
+external append_block : string -> llvalue -> llbasicblock = "llvm_append_block"
+
+(** [insert_block name bb] creates a new basic block named [name] before the
+    basic block [bb].
+    See the constructor of [llvm::BasicBlock]. *)
+external insert_block : string -> llbasicblock -> llbasicblock
+                      = "llvm_insert_block"
+
+(** [block_parent bb] returns the parent function that owns the basic block.
+    See the method [llvm::BasicBlock::getParent]. *)
+external block_parent : llbasicblock -> llvalue = "LLVMGetBasicBlockParent"
+
+(** [block_begin f] returns the first position in the basic block list of the
+    function [f]. [block_begin] and [block_succ] can be used to iterate over
+    the basic block list in order.
+    See the method [llvm::Function::begin]. *)
+external block_begin : llvalue -> (llvalue, llbasicblock) llpos
+                     = "llvm_block_begin"
+
+(** [block_succ bb] returns the basic block list position succeeding
+    [Before bb].
+    See the method [llvm::Function::iterator::operator++]. *)
+external block_succ : llbasicblock -> (llvalue, llbasicblock) llpos
+                    = "llvm_block_succ"
+
+(** [iter_blocks f fn] applies function [f] to each of the basic blocks
+    of function [fn] in order. Tail recursive. *)
+val iter_blocks : (llbasicblock -> unit) -> llvalue -> unit
+
+(** [fold_left_blocks f init fn] is [f (... (f init b1) ...) bN] where
+    [b1,...,bN] are the basic blocks of function [fn]. Tail recursive. *)
+val fold_left_blocks : ('a -> llbasicblock -> 'a) -> 'a -> llvalue -> 'a
+
+(** [block_end f] returns the last position in the basic block list of
+    the function [f]. [block_end] and [block_pred] can be used to iterate
+    over the basic block list in reverse.
+    See the method [llvm::Function::end]. *)
+external block_end : llvalue -> (llvalue, llbasicblock) llrev_pos
+                   = "llvm_block_end"
+
+(** [block_pred gv] returns the function list position preceding [After gv].
+    See the method [llvm::Function::iterator::operator--]. *)
+external block_pred : llbasicblock -> (llvalue, llbasicblock) llrev_pos
+                    = "llvm_block_pred"
+
+(** [rev_iter_blocks f fn] applies function [f] to each of the basic blocks
+    of function [fn] in reverse order. Tail recursive. *)
+val rev_iter_blocks : (llbasicblock -> unit) -> llvalue -> unit
+
+(** [fold_right_blocks f fn init] is [f (... (f init bN) ...) b1] where
+    [b1,...,bN] are the basic blocks of function [fn]. Tail recursive. *)
+val fold_right_blocks : (llbasicblock -> 'a -> 'a) -> llvalue -> 'a -> 'a
+
+(** [value_of_block bb] losslessly casts [bb] to an [llvalue]. *)
+external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
+
+(** [value_is_block v] returns [true] if the value [v] is a basic block and
+    [false] otherwise.
+    Similar to [llvm::isa<BasicBlock>]. *)
+external value_is_block : llvalue -> bool = "llvm_value_is_block"
+
+(** [block_of_value v] losslessly casts [v] to an [llbasicblock]. *)
+external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
+
+
+(** {7 Operations on instructions} *)
+
+(** [instr_parent i] is the enclosing basic block of the instruction [i].
+    See the method [llvm::Instruction::getParent]. *)
+external instr_parent : llvalue -> llbasicblock = "LLVMGetInstructionParent"
+
+(** [instr_begin bb] returns the first position in the instruction list of the
+    basic block [bb]. [instr_begin] and [instr_succ] can be used to iterate over
+    the instruction list in order.
+    See the method [llvm::BasicBlock::begin]. *)
+external instr_begin : llbasicblock -> (llbasicblock, llvalue) llpos
+                     = "llvm_instr_begin"
+
+(** [instr_succ i] returns the instruction list position succeeding [Before i].
+    See the method [llvm::BasicBlock::iterator::operator++]. *)
+external instr_succ : llvalue -> (llbasicblock, llvalue) llpos
+                     = "llvm_instr_succ"
+
+(** [iter_instrs f bb] applies function [f] to each of the instructions of basic
+    block [bb] in order. Tail recursive. *)
+val iter_instrs: (llvalue -> unit) -> llbasicblock -> unit
+
+(** [fold_left_instrs f init bb] is [f (... (f init g1) ...) gN] where
+    [g1,...,gN] are the instructions of basic block [bb]. Tail recursive. *)
+val fold_left_instrs: ('a -> llvalue -> 'a) -> 'a -> llbasicblock -> 'a
+
+(** [instr_end bb] returns the last position in the instruction list of the
+    basic block [bb]. [instr_end] and [instr_pred] can be used to iterate over
+    the instruction list in reverse.
+    See the method [llvm::BasicBlock::end]. *)
+external instr_end : llbasicblock -> (llbasicblock, llvalue) llrev_pos
+                     = "llvm_instr_end"
+
+(** [instr_pred i] returns the instruction list position preceding [After i].
+    See the method [llvm::BasicBlock::iterator::operator--]. *)
+external instr_pred : llvalue -> (llbasicblock, llvalue) llrev_pos
+                     = "llvm_instr_pred"
+
+(** [fold_right_instrs f bb init] is [f (... (f init fN) ...) f1] where
+    [f1,...,fN] are the instructions of basic block [bb]. Tail recursive. *)
+val fold_right_instrs: (llvalue -> 'a -> 'a) -> llbasicblock -> 'a -> 'a
+
+
+(** {7 Operations on call sites} *)
+
+(** [instruction_call_conv ci] is the calling convention for the call or invoke
+    instruction [ci], which may be one of the values from the module
+    {!CallConv}. See the method [llvm::CallInst::getCallingConv] and
+    [llvm::InvokeInst::getCallingConv]. *)
+external instruction_call_conv: llvalue -> int
+                              = "llvm_instruction_call_conv"
+
+(** [set_instruction_call_conv cc ci] sets the calling convention for the call
+    or invoke instruction [ci] to the integer [cc], which can be one of the
+    values from the module {!CallConv}.
+    See the method [llvm::CallInst::setCallingConv]
+    and [llvm::InvokeInst::setCallingConv]. *)
+external set_instruction_call_conv: int -> llvalue -> unit
+                                  = "llvm_set_instruction_call_conv"
+
+
+(** {7 Operations on phi nodes} *)
+
+(** [add_incoming (v, bb) pn] adds the value [v] to the phi node [pn] for use
+    with branches from [bb]. See the method [llvm::PHINode::addIncoming]. *)
+external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
+                      = "llvm_add_incoming"
+
+(** [incoming pn] returns the list of value-block pairs for phi node [pn].
+    See the method [llvm::PHINode::getIncomingValue]. *)
+external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
+
+
+
+(** {6 Instruction builders} *)
+
+(** [builder ()] creates an instruction builder with no position. It is invalid
+    to use this builder until its position is set with {!position_before} or
+    {!position_at_end}. See the constructor for [llvm::LLVMBuilder]. *)
+external builder : unit -> llbuilder = "llvm_builder"
+
+(** [builder_at ip] creates an instruction builder positioned at [ip].
+    See the constructor for [llvm::LLVMBuilder]. *)
+val builder_at : (llbasicblock, llvalue) llpos -> llbuilder
+
+(** [builder_before ins] creates an instruction builder positioned before the
+    instruction [isn]. See the constructor for [llvm::LLVMBuilder]. *)
+val builder_before : llvalue -> llbuilder
+
+(** [builder_at_end bb] creates an instruction builder positioned at the end of
+    the basic block [bb]. See the constructor for [llvm::LLVMBuilder]. *)
+val builder_at_end : llbasicblock -> llbuilder
+
+(** [position_builder ip bb] moves the instruction builder [bb] to the position
+    [ip].
+    See the constructor for [llvm::LLVMBuilder]. *)
+external position_builder : (llbasicblock, llvalue) llpos -> llbuilder -> unit
+                          = "llvm_position_builder"
+
+(** [position_before ins b] moves the instruction builder [b] to before the
+    instruction [isn]. See the method [llvm::LLVMBuilder::SetInsertPoint]. *)
+val position_before : llvalue -> llbuilder -> unit
+
+(** [position_at_end bb b] moves the instruction builder [b] to the end of the
+    basic block [bb]. See the method [llvm::LLVMBuilder::SetInsertPoint]. *)
+val position_at_end : llbasicblock -> llbuilder -> unit
+
+(** [insertion_block b] returns the basic block that the builder [b] is
+    positioned to insert into. Raises [Not_Found] if the instruction builder is
+    uninitialized.
+    See the method [llvm::LLVMBuilder::GetInsertBlock]. *)
+external insertion_block : llbuilder -> llbasicblock = "llvm_insertion_block"
+
+
+(** {7 Terminators} *)
+
+(** [build_ret_void b] creates a
+    [ret void]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateRetVoid]. *)
+external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
+
+(** [build_ret v b] creates a
+    [ret %v]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateRet]. *)
+external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
+
+(** [build_br bb b] creates a
+    [b %bb]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateBr]. *)
+external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
+
+(** [build_cond_br cond tbb fbb b] creates a
+    [b %cond, %tbb, %fbb]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateCondBr]. *)
+external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
+                         llvalue = "llvm_build_cond_br"
+
+(** [build_switch case elsebb b] creates an empty
+    [switch %case, %elsebb]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSwitch]. *)
+external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
+                      = "llvm_build_switch"
+
+(** [build_invoke fn args tobb unwindbb name b] creates an
+    [%name = invoke %fn(args) to %tobb unwind %unwindbb]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateInvoke]. *)
+external build_invoke : llvalue -> llvalue array -> llbasicblock ->
+                        llbasicblock -> string -> llbuilder -> llvalue
+                      = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
+
+(** [build_unwind b] creates an
+    [unwind]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateUnwind]. *)
+external build_unwind : llbuilder -> llvalue = "llvm_build_unwind"
+
+(** [build_unreachable b] creates an
+    [unreachable]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateUnwind]. *)
+external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"
+
+
+(** {7 Arithmetic} *)
+
+(** [build_add x y name b] creates a
+    [%name = add %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAdd]. *)
+external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_add"
+
+(** [build_sub x y name b] creates a
+    [%name = sub %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSub]. *)
+external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_sub"
+
+(** [build_mul x y name b] creates a
+    [%name = mul %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateMul]. *)
+external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_mul"
+
+(** [build_udiv x y name b] creates a
+    [%name = udiv %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateUDiv]. *)
+external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_udiv"
+
+(** [build_sdiv x y name b] creates a
+    [%name = sdiv %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSDiv]. *)
+external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_sdiv"
+
+(** [build_fdiv x y name b] creates a
+    [%name = fdiv %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFDiv]. *)
+external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_fdiv"
+
+(** [build_urem x y name b] creates a
+    [%name = urem %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateURem]. *)
+external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_urem"
+
+(** [build_SRem x y name b] creates a
+    [%name = srem %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSRem]. *)
+external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_srem"
+
+(** [build_frem x y name b] creates a
+    [%name = frem %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFRem]. *)
+external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_frem"
+
+(** [build_shl x y name b] creates a
+    [%name = shl %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateShl]. *)
+external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_shl"
+
+(** [build_lshr x y name b] creates a
+    [%name = lshr %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateLShr]. *)
+external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_lshr"
+
+(** [build_ashr x y name b] creates a
+    [%name = ashr %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAShr]. *)
+external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_ashr"
+
+(** [build_and x y name b] creates a
+    [%name = and %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAnd]. *)
+external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_and"
+
+(** [build_or x y name b] creates a
+    [%name = or %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateOr]. *)
+external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                  = "llvm_build_or"
+
+(** [build_xor x y name b] creates a
+    [%name = xor %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateXor]. *)
+external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_xor"
+
+(** [build_neg x name b] creates a
+    [%name = sub 0, %x]
+    instruction at the position specified by the instruction builder [b].
+    [-0.0] is used for floating point types to compute the correct sign.
+    See the method [llvm::LLVMBuilder::CreateNeg]. *)
+external build_neg : llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_neg"
+
+(** [build_xor x name b] creates a
+    [%name = xor %x, -1]
+    instruction at the position specified by the instruction builder [b].
+    [-1] is the correct "all ones" value for the type of [x].
+    See the method [llvm::LLVMBuilder::CreateXor]. *)
+external build_not : llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_not"
+
+
+(** {7 Memory} *)
+
+(** [build_malloc ty name b] creates a
+    [%name = malloc %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAlloca]. *)
+external build_malloc : lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_malloc"
+
+(** [build_array_malloc ty n name b] creates a
+    [%name = malloc %ty, %n]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateMalloc]. *)
+external build_array_malloc : lltype -> llvalue -> string -> llbuilder ->
+                              llvalue = "llvm_build_array_malloc"
+
+(** [build_alloca ty name b] creates a
+    [%name = alloca %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAlloca]. *)
+external build_alloca : lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_alloca"
+
+(** [build_array_alloca ty n name b] creates a
+    [%name = alloca %ty, %n]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAlloca]. *)
+external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
+                              llvalue = "llvm_build_array_alloca"
+
+(** [build_free v b] creates a
+    [free %v]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFree]. *)
+external build_free : llvalue -> llbuilder -> llvalue = "llvm_build_free"
+
+(** [build_load v name b] creates a
+    [%name = load %v]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateLoad]. *)
+external build_load : llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_load"
+
+(** [build_store v p b] creates a
+    [store %v, %p]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateStore]. *)
+external build_store : llvalue -> llvalue -> llbuilder -> llvalue
+                     = "llvm_build_store"
+
+(** [build_gep p indices name b] creates a
+    [%name = gep %p, indices...]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateGetElementPtr]. *)
+external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
+                   = "llvm_build_gep"
+
+
+(** {7 Casts} *)
+
+(** [build_trunc v ty name b] creates a
+    [%name = trunc %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateTrunc]. *)
+external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
+                     = "llvm_build_trunc"
+
+(** [build_zext v ty name b] creates a
+    [%name = zext %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateZExt]. *)
+external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                    = "llvm_build_zext"
+
+(** [build_sext v ty name b] creates a
+    [%name = sext %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSExt]. *)
+external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                    = "llvm_build_sext"
+
+(** [build_fptoui v ty name b] creates a
+    [%name = fptoui %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFPToUI]. *)
+external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_fptoui"
+
+(** [build_fptosi v ty name b] creates a
+    [%name = fptosi %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFPToSI]. *)
+external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_fptosi"
+
+(** [build_uitofp v ty name b] creates a
+    [%name = uitofp %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateUIToFP]. *)
+external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_uitofp"
+
+(** [build_sitofp v ty name b] creates a
+    [%name = sitofp %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSIToFP]. *)
+external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_sitofp"
+
+(** [build_fptrunc v ty name b] creates a
+    [%name = fptrunc %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFPTrunc]. *)
+external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
+                       = "llvm_build_fptrunc"
+
+(** [build_fpext v ty name b] creates a
+    [%name = fpext %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFPExt]. *)
+external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                     = "llvm_build_fpext"
+
+(** [build_ptrtoint v ty name b] creates a
+    [%name = prtotint %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreatePtrToInt]. *)
+external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
+                        = "llvm_build_prttoint"
+
+(** [build_inttoptr v ty name b] creates a
+    [%name = inttoptr %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateIntToPtr]. *)
+external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
+                        = "llvm_build_inttoptr"
+
+(** [build_bitcast v ty name b] creates a
+    [%name = bitcast %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateBitcast]. *)
+external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
+                       = "llvm_build_bitcast"
+
+
+(** {7 Comparisons} *)
+
+(** [build_icmp pred x y name b] creates a
+    [%name = icmp %pred %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateICmp]. *)
+external build_icmp : Icmp.t -> llvalue -> llvalue -> string ->
+                      llbuilder -> llvalue = "llvm_build_icmp"
+
+(** [build_fcmp pred x y name b] creates a
+    [%name = fcmp %pred %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFCmp]. *)
+external build_fcmp : Fcmp.t -> llvalue -> llvalue -> string ->
+                      llbuilder -> llvalue = "llvm_build_fcmp"
+
+
+(** {7 Miscellaneous instructions} *)
+
+(** [build_phi incoming name b] creates a
+    [%name = phi %incoming]
+    instruction at the position specified by the instruction builder [b].
+    [incoming] is a list of [(llvalue, llbasicblock)] tuples.
+    See the method [llvm::LLVMBuilder::CreatePHI]. *)
+external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
+                     llvalue = "llvm_build_phi"
+
+(** [build_call fn args name b] creates a
+    [%name = call %fn(args...)]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateCall]. *)
+external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
+                    = "llvm_build_call"
+
+(** [build_select cond thenv elsev name b] creates a
+    [%name = select %cond, %thenv, %elsev]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSelect]. *)
+external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
+                        llvalue = "llvm_build_select"
+
+(** [build_va_arg valist argty name b] creates a
+    [%name = va_arg %valist, %argty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateVAArg]. *)
+external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_va_arg"
+
+(** [build_extractelement vec i name b] creates a
+    [%name = extractelement %vec, %i]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateExtractElement]. *)
+external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
+                                llvalue = "llvm_build_extractelement"
+
+(** [build_insertelement vec elt i name b] creates a
+    [%name = insertelement %vec, %elt, %i]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateInsertElement]. *)
+external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
+                               llbuilder -> llvalue = "llvm_build_insertelement"
+
+(** [build_shufflevector veca vecb mask name b] creates a
+    [%name = shufflevector %veca, %vecb, %mask]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateShuffleVector]. *)
+external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
+                               llbuilder -> llvalue = "llvm_build_shufflevector"
+
+
+(** {6 Module providers} *)
+
+module ModuleProvider : sig
+  (** [create_module_provider m] encapsulates [m] in a module provider and takes
+      ownership of the module. See the constructor
+      [llvm::ExistingModuleProvider::ExistingModuleProvider]. *)
+  external create : llmodule -> llmoduleprovider
+                  = "LLVMCreateModuleProviderForExistingModule"
+  
+  (** [dispose_module_provider mp] destroys the module provider [mp] as well as
+      the contained module. *)
+  external dispose : llmoduleprovider -> unit = "llvm_dispose_module_provider"
+end
+
+
+(** {6 Memory buffers} *)
+
+module MemoryBuffer : sig
+  (** [of_file p] is the memory buffer containing the contents of the file at
+      path [p]. If the file could not be read, then [IoError msg] is
+      raised. *)
+  external of_file : string -> llmemorybuffer = "llvm_memorybuffer_of_file"
+  
+  (** [stdin ()] is the memory buffer containing the contents of standard input.
+      If standard input is empty, then [IoError msg] is raised. *)
+  external of_stdin : unit -> llmemorybuffer = "llvm_memorybuffer_of_stdin"
+  
+  (** Disposes of a memory buffer. *)
+  external dispose : llmemorybuffer -> unit = "llvm_memorybuffer_dispose"
+end
+
+
+(** {6 Pass Managers} *)
+
+module PassManager : sig
+  (**  *)
+  type 'a t
+  type any = [ `Module | `Function ]
+  
+  (** [PassManager.create ()] constructs a new whole-module pass pipeline. This
+      type of pipeline is suitable for link-time optimization and whole-module
+      transformations.
+      See the constructor of [llvm::PassManager]. *)
+  external create : unit -> [ `Module ] t = "llvm_passmanager_create"
+  
+  (** [PassManager.create_function mp] constructs a new function-by-function
+      pass pipeline over the module provider [mp]. It does not take ownership of
+      [mp]. This type of pipeline is suitable for code generation and JIT
+      compilation tasks.
+      See the constructor of [llvm::FunctionPassManager]. *)
+  external create_function : llmoduleprovider -> [ `Function ] t
+                           = "LLVMCreateFunctionPassManager"
+  
+  (** [run_module m pm] initializes, executes on the module [m], and finalizes
+      all of the passes scheduled in the pass manager [pm]. Returns [true] if
+      any of the passes modified the module, [false] otherwise.
+      See the [llvm::PassManager::run] method. *)
+  external run_module : llmodule -> [ `Module ] t -> bool
+                      = "llvm_passmanager_run_module"
+  
+  (** [initialize fpm] initializes all of the function passes scheduled in the
+      function pass manager [fpm]. Returns [true] if any of the passes modified
+      the module, [false] otherwise.
+      See the [llvm::FunctionPassManager::doInitialization] method. *)
+  external initialize : [ `Function ] t -> bool = "llvm_passmanager_initialize"
+  
+  (** [run_function f fpm] executes all of the function passes scheduled in the
+      function pass manager [fpm] over the function [f]. Returns [true] if any
+      of the passes modified [f], [false] otherwise.
+      See the [llvm::FunctionPassManager::run] method. *)
+  external run_function : llvalue -> [ `Function ] t -> bool
+                        = "llvm_passmanager_run_function"
+  
+  (** [finalize fpm] finalizes all of the function passes scheduled in in the
+      function pass manager [fpm]. Returns [true] if any of the passes
+      modified the module, [false] otherwise.
+      See the [llvm::FunctionPassManager::doFinalization] method. *)
+  external finalize : [ `Function ] t -> bool = "llvm_passmanager_finalize"
+  
+  (** Frees the memory of a pass pipeline. For function pipelines, does not free
+      the module provider.
+      See the destructor of [llvm::BasePassManager]. *)
+  external dispose : [< any ] t -> unit = "llvm_passmanager_dispose"
+end