1(* RUN: rm -rf %t.builddir
2 * RUN: mkdir -p %t.builddir
3 * RUN: cp %s %t.builddir
4 * RUN: %ocamlopt -warn-error A llvm.cmxa llvm_target.cmxa llvm_executionengine.cmxa %t.builddir/executionengine.ml -o %t
5 * RUN: %t
6 * XFAIL: vg_leak
7 *)
8
9open Llvm
10open Llvm_executionengine
11open Llvm_target
12
13(* Note that this takes a moment to link, so it's best to keep the number of
14   individual tests low. *)
15
16let context = global_context ()
17let i8_type = Llvm.i8_type context
18let i32_type = Llvm.i32_type context
19let i64_type = Llvm.i64_type context
20let double_type = Llvm.double_type context
21
22let bomb msg =
23  prerr_endline msg;
24  exit 2
25
26let define_main_fn m retval =
27  let fn =
28    let str_arr_type = pointer_type (pointer_type i8_type) in
29    define_function "main" (function_type i32_type [| i32_type;
30                                                      str_arr_type;
31                                                      str_arr_type |]) m in
32  let b = builder_at_end (global_context ()) (entry_block fn) in
33  ignore (build_ret (const_int i32_type retval) b);
34  fn
35
36let define_plus m =
37  let fn = define_function "plus" (function_type i32_type [| i32_type;
38                                                             i32_type |]) m in
39  let b = builder_at_end (global_context ()) (entry_block fn) in
40  let add = build_add (param fn 0) (param fn 1) "sum" b in
41  ignore (build_ret add b)
42
43let test_genericvalue () =
44  let tu = (1, 2) in
45  let ptrgv = GenericValue.of_pointer tu in
46  assert (tu = GenericValue.as_pointer ptrgv);
47  
48  let fpgv = GenericValue.of_float double_type 2. in
49  assert (2. = GenericValue.as_float double_type fpgv);
50  
51  let intgv = GenericValue.of_int i32_type 3 in
52  assert (3  = GenericValue.as_int intgv);
53  
54  let i32gv = GenericValue.of_int32 i32_type (Int32.of_int 4) in
55  assert ((Int32.of_int 4) = GenericValue.as_int32 i32gv);
56  
57  let nigv = GenericValue.of_nativeint i32_type (Nativeint.of_int 5) in
58  assert ((Nativeint.of_int 5) = GenericValue.as_nativeint nigv);
59  
60  let i64gv = GenericValue.of_int64 i64_type (Int64.of_int 6) in
61  assert ((Int64.of_int 6) = GenericValue.as_int64 i64gv)
62
63let test_executionengine () =
64  (* create *)
65  let m = create_module (global_context ()) "test_module" in
66  let main = define_main_fn m 42 in
67  
68  let m2 = create_module (global_context ()) "test_module2" in
69  define_plus m2;
70  
71  let ee = ExecutionEngine.create m in
72  ExecutionEngine.add_module m2 ee;
73  
74  (* run_static_ctors *)
75  ExecutionEngine.run_static_ctors ee;
76  
77  (* run_function_as_main *)
78  let res = ExecutionEngine.run_function_as_main main [|"test"|] [||] ee in
79  if 42 != res then bomb "main did not return 42";
80  
81  (* free_machine_code *)
82  ExecutionEngine.free_machine_code main ee;
83  
84  (* find_function *)
85  match ExecutionEngine.find_function "dne" ee with
86  | Some _ -> raise (Failure "find_function 'dne' failed")
87  | None ->
88  
89  match ExecutionEngine.find_function "plus" ee with
90  | None -> raise (Failure "find_function 'plus' failed")
91  | Some plus ->
92  
93  (* run_function *)
94  let res = ExecutionEngine.run_function plus
95                                         [| GenericValue.of_int i32_type 2;
96                                            GenericValue.of_int i32_type 2 |]
97                                         ee in
98  if 4 != GenericValue.as_int res then bomb "plus did not work";
99  
100  (* remove_module *)
101  Llvm.dispose_module (ExecutionEngine.remove_module m2 ee);
102  
103  (* run_static_dtors *)
104  ExecutionEngine.run_static_dtors ee;
105
106  (* Show that the data layout binding links and runs.*)
107  let dl = ExecutionEngine.data_layout ee in
108
109  (* Demonstrate that a garbage pointer wasn't returned. *)
110  let ty = DataLayout.intptr_type context dl in
111  if ty != i32_type && ty != i64_type then bomb "target_data did not work";
112  
113  (* dispose *)
114  ExecutionEngine.dispose ee
115
116let _ =
117  test_genericvalue ();
118  test_executionengine ()
119