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(*===-- llvm_target.mli - LLVM OCaml Interface -----------------*- OCaml -*-===*
*
* The LLVM Compiler Infrastructure
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
*===----------------------------------------------------------------------===*)
(** Target Information.
This interface provides an OCaml API for LLVM target information,
the classes in the Target library. *)
module Endian : sig
type t =
| Big
| Little
end
module DataLayout : sig
type t
(** [of_string rep] parses the data layout string representation [rep].
See the constructor [llvm::DataLayout::DataLayout]. *)
val of_string : string -> t
(** [as_string dl] is the string representation of the data layout [dl].
See the method [llvm::DataLayout::getStringRepresentation]. *)
val as_string : t -> string
(** [add_to_pass_manager dl pm] adds the target data [dl] to
the pass manager [pm].
See the method [llvm::PassManagerBase::add]. *)
val add_to_pass_manager : [<Llvm.PassManager.any] Llvm.PassManager.t ->
t -> unit
(** Returns the byte order of a target, either [Endian.Big] or
[Endian.Little].
See the method [llvm::DataLayout::isLittleEndian]. *)
val byte_order : t -> Endian.t
(** Returns the pointer size in bytes for a target.
See the method [llvm::DataLayout::getPointerSize]. *)
val pointer_size : t -> int
(** Returns the integer type that is the same size as a pointer on a target.
See the method [llvm::DataLayout::getIntPtrType]. *)
val intptr_type : Llvm.llcontext -> t -> Llvm.lltype
(** Returns the pointer size in bytes for a target in a given address space.
See the method [llvm::DataLayout::getPointerSize]. *)
val qualified_pointer_size : int -> t -> int
(** Returns the integer type that is the same size as a pointer on a target
in a given address space.
See the method [llvm::DataLayout::getIntPtrType]. *)
val qualified_intptr_type : Llvm.llcontext -> int -> t -> Llvm.lltype
(** Computes the size of a type in bits for a target.
See the method [llvm::DataLayout::getTypeSizeInBits]. *)
val size_in_bits : Llvm.lltype -> t -> Int64.t
(** Computes the storage size of a type in bytes for a target.
See the method [llvm::DataLayout::getTypeStoreSize]. *)
val store_size : Llvm.lltype -> t -> Int64.t
(** Computes the ABI size of a type in bytes for a target.
See the method [llvm::DataLayout::getTypeAllocSize]. *)
val abi_size : Llvm.lltype -> t -> Int64.t
(** Computes the ABI alignment of a type in bytes for a target.
See the method [llvm::DataLayout::getTypeABISize]. *)
val abi_align : Llvm.lltype -> t -> int
(** Computes the call frame alignment of a type in bytes for a target.
See the method [llvm::DataLayout::getTypeABISize]. *)
val stack_align : Llvm.lltype -> t -> int
(** Computes the preferred alignment of a type in bytes for a target.
See the method [llvm::DataLayout::getTypeABISize]. *)
val preferred_align : Llvm.lltype -> t -> int
(** Computes the preferred alignment of a global variable in bytes for
a target. See the method [llvm::DataLayout::getPreferredAlignment]. *)
val preferred_align_of_global : Llvm.llvalue -> t -> int
(** Computes the structure element that contains the byte offset for a target.
See the method [llvm::StructLayout::getElementContainingOffset]. *)
val element_at_offset : Llvm.lltype -> Int64.t -> t -> int
(** Computes the byte offset of the indexed struct element for a target.
See the method [llvm::StructLayout::getElementContainingOffset]. *)
val offset_of_element : Llvm.lltype -> int -> t -> Int64.t
end
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