test/Bindings/Ocaml/target.ml

   1 (* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_target.cmxa %s -o %t
   2  *)
   3
   4 (* Note: It takes several seconds for ocamlopt to link an executable with
   5          libLLVMCore.a, so it's better to write a big test than a bunch of
   6          little ones. *)
   7
   8 open Llvm
   9 open Llvm_target
  10
  11 let context = global_context ()
  12 let i32_type = Llvm.i32_type context
  13 let i64_type = Llvm.i64_type context
  14
  15 (* Tiny unit test framework - really just to help find which line is busted *)
  16 let suite name f =
  17   prerr_endline (name ^ ":");
  18   f ()
  19
  20
  21 (*===-- Fixture -----------------------------------------------------------===*)
  22
  23 let filename = Sys.argv.(1)
  24 let m = create_module context filename
  25
  26
  27 (*===-- Target Data -------------------------------------------------------===*)
  28
  29 let test_target_data () =
  30   let td = TargetData.create (target_triple m) in
  31   let sty = struct_type context [| i32_type; i64_type |] in
  32
  33   ignore (TargetData.as_string td);
  34   ignore (TargetData.invalidate_struct_layout td sty);
  35   ignore (byte_order td);
  36   ignore (pointer_size td);
  37   ignore (intptr_type td);
  38   ignore (size_in_bits td sty);
  39   ignore (store_size td sty);
  40   ignore (abi_size td sty);
  41   ignore (stack_align td sty);
  42   ignore (preferred_align td sty);
  43   ignore (preferred_align_of_global td (declare_global sty "g" m));
  44   ignore (element_at_offset td sty (Int64.of_int 1));
  45   ignore (offset_of_element td sty 1);
  46
  47   TargetData.dispose td
  48
  49
  50 (*===-- Driver ------------------------------------------------------------===*)
  51
  52 let _ =
  53   suite "target data" test_target_data;
  54   dispose_module m