executionengine.ml revision bf7ea373ecb90a933592061eda4a3dca45e84b25 
1(* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_target.cmxa llvm_executionengine.cmxa %s -o %t
2 * RUN: %t
3 * XFAIL: vg_leak
4 *)
5
6open Llvm
7open Llvm_executionengine
8open Llvm_target
9
10(* Note that this takes a moment to link, so it's best to keep the number of
11   individual tests low. *)
12
13let context = global_context ()
14let i8_type = Llvm.i8_type context
15let i32_type = Llvm.i32_type context
16let i64_type = Llvm.i64_type context
17let double_type = Llvm.double_type context
18
19let bomb msg =
20  prerr_endline msg;
21  exit 2
22
23let define_main_fn m retval =
24  let fn =
25    let str_arr_type = pointer_type (pointer_type i8_type) in
26    define_function "main" (function_type i32_type [| i32_type;
27                                                      str_arr_type;
28                                                      str_arr_type |]) m in
29  let b = builder_at_end (global_context ()) (entry_block fn) in
30  ignore (build_ret (const_int i32_type retval) b);
31  fn
32
33let define_plus m =
34  let fn = define_function "plus" (function_type i32_type [| i32_type;
35                                                             i32_type |]) m in
36  let b = builder_at_end (global_context ()) (entry_block fn) in
37  let add = build_add (param fn 0) (param fn 1) "sum" b in
38  ignore (build_ret add b)
39
40let test_genericvalue () =
41  let tu = (1, 2) in
42  let ptrgv = GenericValue.of_pointer tu in
43  assert (tu = GenericValue.as_pointer ptrgv);
44  
45  let fpgv = GenericValue.of_float double_type 2. in
46  assert (2. = GenericValue.as_float double_type fpgv);
47  
48  let intgv = GenericValue.of_int i32_type 3 in
49  assert (3  = GenericValue.as_int intgv);
50  
51  let i32gv = GenericValue.of_int32 i32_type (Int32.of_int 4) in
52  assert ((Int32.of_int 4) = GenericValue.as_int32 i32gv);
53  
54  let nigv = GenericValue.of_nativeint i32_type (Nativeint.of_int 5) in
55  assert ((Nativeint.of_int 5) = GenericValue.as_nativeint nigv);
56  
57  let i64gv = GenericValue.of_int64 i64_type (Int64.of_int 6) in
58  assert ((Int64.of_int 6) = GenericValue.as_int64 i64gv)
59
60let test_executionengine () =
61  (* create *)
62  let m = create_module (global_context ()) "test_module" in
63  let main = define_main_fn m 42 in
64  
65  let m2 = create_module (global_context ()) "test_module2" in
66  define_plus m2;
67  
68  let ee = ExecutionEngine.create m in
69  ExecutionEngine.add_module m2 ee;
70  
71  (* run_static_ctors *)
72  ExecutionEngine.run_static_ctors ee;
73  
74  (* run_function_as_main *)
75  let res = ExecutionEngine.run_function_as_main main [|"test"|] [||] ee in
76  if 42 != res then bomb "main did not return 42";
77  
78  (* free_machine_code *)
79  ExecutionEngine.free_machine_code main ee;
80  
81  (* find_function *)
82  match ExecutionEngine.find_function "dne" ee with
83  | Some _ -> raise (Failure "find_function 'dne' failed")
84  | None ->
85  
86  match ExecutionEngine.find_function "plus" ee with
87  | None -> raise (Failure "find_function 'plus' failed")
88  | Some plus ->
89  
90  (* run_function *)
91  let res = ExecutionEngine.run_function plus
92                                         [| GenericValue.of_int i32_type 2;
93                                            GenericValue.of_int i32_type 2 |]
94                                         ee in
95  if 4 != GenericValue.as_int res then bomb "plus did not work";
96  
97  (* remove_module *)
98  Llvm.dispose_module (ExecutionEngine.remove_module m2 ee);
99  
100  (* run_static_dtors *)
101  ExecutionEngine.run_static_dtors ee;
102
103  (* Show that the target data binding links and runs.*)
104  let td = ExecutionEngine.target_data ee in
105
106  (* Demonstrate that a garbage pointer wasn't returned. *)
107  let ty = intptr_type td in
108  if ty != i32_type && ty != i64_type then bomb "target_data did not work";
109  
110  (* dispose *)
111  ExecutionEngine.dispose ee
112
113let _ =
114  test_genericvalue ();
115  test_executionengine ()
116