1 (* RUN: rm -rf %t.builddir
2 * RUN: mkdir -p %t.builddir
3 * RUN: cp %s %t.builddir
4 * RUN: %ocamlopt -g -warn-error A llvm.cmxa llvm_target.cmxa %t.builddir/target.ml -o %t
9 (* Note: It takes several seconds for ocamlopt to link an executable with
10 libLLVMCore.a, so it's better to write a big test than a bunch of
17 let context = global_context ()
18 let i32_type = Llvm.i32_type context
19 let i64_type = Llvm.i64_type context
21 (* Tiny unit test framework - really just to help find which line is busted *)
22 let print_checkpoints = false
25 Printexc.record_backtrace true
27 let assert_equal a b =
28 if a <> b then failwith "assert_equal"
31 (*===-- Fixture -----------------------------------------------------------===*)
33 let filename = Sys.argv.(1)
34 let m = create_module context filename
37 (*===-- Target Data -------------------------------------------------------===*)
39 let test_target_data () =
40 let module DL = DataLayout in
41 let layout = "e-p:32:32:32-S32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-" ^
42 "f16:16:16-f32:32:32-f64:32:64-f128:128:128-v64:32:64-v128:32:128-" ^
44 let dl = DL.of_string layout in
45 let sty = struct_type context [| i32_type; i64_type |] in
47 assert_equal (DL.as_string dl) layout;
48 assert_equal (DL.byte_order dl) Endian.Little;
49 assert_equal (DL.pointer_size dl) 4;
50 assert_equal (DL.intptr_type context dl) i32_type;
51 assert_equal (DL.qualified_pointer_size 0 dl) 4;
52 assert_equal (DL.qualified_intptr_type context 0 dl) i32_type;
53 assert_equal (DL.size_in_bits sty dl) (Int64.of_int 96);
54 assert_equal (DL.store_size sty dl) (Int64.of_int 12);
55 assert_equal (DL.abi_size sty dl) (Int64.of_int 12);
56 assert_equal (DL.stack_align sty dl) 4;
57 assert_equal (DL.preferred_align sty dl) 8;
58 assert_equal (DL.preferred_align_of_global (declare_global sty "g" m) dl) 8;
59 assert_equal (DL.element_at_offset sty (Int64.of_int 1) dl) 0;
60 assert_equal (DL.offset_of_element sty 1 dl) (Int64.of_int 4);
62 let pm = PassManager.create () in
63 ignore (DL.add_to_pass_manager pm dl)
66 (*===-- Driver ------------------------------------------------------------===*)