executionengine.ml revision 418136d928417bec8b188e49205734720828151e 
1(* RUN: %ocamlc -warn-error A llvm.cma llvm_executionengine.cma %s -o %t
2 * RUN: ./%t %t.bc
3 *)
4
5open Llvm
6open Llvm_executionengine
7
8(* Note that this takes a moment to link, so it's best to keep the number of
9   individual tests low. *)
10
11let bomb msg =
12  prerr_endline msg;
13  exit 2
14
15let define_main_fn m retval =
16  let fn =
17    let str_arr_type = pointer_type (pointer_type i8_type) in
18    define_function "main" (function_type i32_type [| i32_type;
19                                                      str_arr_type;
20                                                      str_arr_type |]) m in
21  let b = builder_at_end (entry_block fn) in
22  ignore (build_ret (const_int i32_type retval) b);
23  fn
24
25let define_plus m =
26  let fn = define_function "plus" (function_type i32_type [| i32_type;
27                                                             i32_type |]) m in
28  let b = builder_at_end (entry_block fn) in
29  let add = build_add (param fn 0) (param fn 1) "sum" b in
30  ignore (build_ret add b)
31
32let test_genericvalue () =
33  let tu = (1, 2) in
34  let ptrgv = GenericValue.of_pointer tu in
35  assert (tu = GenericValue.as_pointer ptrgv);
36  
37  let fpgv = GenericValue.of_float double_type 2. in
38  assert (2. = GenericValue.as_float double_type fpgv);
39  
40  let intgv = GenericValue.of_int i32_type 3 in
41  assert (3  = GenericValue.as_int intgv);
42  
43  let i32gv = GenericValue.of_int32 i32_type (Int32.of_int 4) in
44  assert ((Int32.of_int 4) = GenericValue.as_int32 i32gv);
45  
46  let nigv = GenericValue.of_nativeint i32_type (Nativeint.of_int 5) in
47  assert ((Nativeint.of_int 5) = GenericValue.as_nativeint nigv);
48  
49  let i64gv = GenericValue.of_int64 i64_type (Int64.of_int 6) in
50  assert ((Int64.of_int 6) = GenericValue.as_int64 i64gv)
51
52let test_executionengine () =
53  (* create *)
54  let m = create_module "test_module" in
55  let main = define_main_fn m 42 in
56  
57  let m2 = create_module "test_module2" in
58  define_plus m2;
59  
60  let ee = ExecutionEngine.create (ModuleProvider.create m) in
61  let mp2 = ModuleProvider.create m2 in
62  ExecutionEngine.add_module_provider mp2 ee;
63  
64  (* run_static_ctors *)
65  ExecutionEngine.run_static_ctors ee;
66  
67  (* run_function_as_main *)
68  let res = ExecutionEngine.run_function_as_main main [|"test"|] [||] ee in
69  if 42 != res then bomb "main did not return 42";
70  
71  (* free_machine_code *)
72  ExecutionEngine.free_machine_code main ee;
73  
74  (* find_function *)
75  match ExecutionEngine.find_function "dne" ee with
76  | Some _ -> raise (Failure "find_function 'dne' failed")
77  | None ->
78  
79  match ExecutionEngine.find_function "plus" ee with
80  | None -> raise (Failure "find_function 'plus' failed")
81  | Some plus ->
82  
83  (* run_function *)
84  let res = ExecutionEngine.run_function plus
85                                         [| GenericValue.of_int i32_type 2;
86                                            GenericValue.of_int i32_type 2 |]
87                                         ee in
88  if 4 != GenericValue.as_int res then bomb "plus did not work";
89  
90  (* remove_module_provider *)
91  Llvm.dispose_module (ExecutionEngine.remove_module_provider mp2 ee);
92  
93  (* run_static_dtors *)
94  ExecutionEngine.run_static_dtors ee;
95  
96  (* dispose *)
97  ExecutionEngine.dispose ee
98
99let _ =
100  test_genericvalue ();
101  test_executionengine ()
102