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      1 (* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_target.cmxa %s -o %t
      2  * RUN: %t %t.bc
      3  * XFAIL: vg_leak
      4  *)
      5 
      6 (* Note: It takes several seconds for ocamlopt to link an executable with
      7          libLLVMCore.a, so it's better to write a big test than a bunch of
      8          little ones. *)
      9 
     10 open Llvm
     11 open Llvm_target
     12 
     13 
     14 let context = global_context ()
     15 let i32_type = Llvm.i32_type context
     16 let i64_type = Llvm.i64_type context
     17 
     18 (* Tiny unit test framework - really just to help find which line is busted *)
     19 let print_checkpoints = false
     20 
     21 let suite name f =
     22   if print_checkpoints then
     23     prerr_endline (name ^ ":");
     24   f ()
     25 
     26 
     27 (*===-- Fixture -----------------------------------------------------------===*)
     28 
     29 let filename = Sys.argv.(1)
     30 let m = create_module context filename
     31 
     32 
     33 (*===-- Target Data -------------------------------------------------------===*)
     34 
     35 let test_target_data () =
     36   let td = TargetData.create (target_triple m) in
     37   let sty = struct_type context [| i32_type; i64_type |] in
     38   
     39   ignore (TargetData.as_string td);
     40   ignore (byte_order td);
     41   ignore (pointer_size td);
     42   ignore (intptr_type td);
     43   ignore (size_in_bits td sty);
     44   ignore (store_size td sty);
     45   ignore (abi_size td sty);
     46   ignore (stack_align td sty);
     47   ignore (preferred_align td sty);
     48   ignore (preferred_align_of_global td (declare_global sty "g" m));
     49   ignore (element_at_offset td sty (Int64.of_int 1));
     50   ignore (offset_of_element td sty 1);
     51   
     52   TargetData.dispose td
     53 
     54 
     55 (*===-- Driver ------------------------------------------------------------===*)
     56 
     57 let _ =
     58   suite "target data" test_target_data;
     59   dispose_module m
     60