1 (* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_target.cmxa llvm_executionengine.cmxa %s -o %t
6 open Llvm_executionengine
9 (* Note that this takes a moment to link, so it's best to keep the number of
10 individual tests low. *)
12 let context = global_context ()
13 let i8_type = Llvm.i8_type context
14 let i32_type = Llvm.i32_type context
15 let i64_type = Llvm.i64_type context
16 let double_type = Llvm.double_type context
22 let define_main_fn m retval =
24 let str_arr_type = pointer_type (pointer_type i8_type) in
25 define_function "main" (function_type i32_type [| i32_type;
28 let b = builder_at_end (global_context ()) (entry_block fn) in
29 ignore (build_ret (const_int i32_type retval) b);
33 let fn = define_function "plus" (function_type i32_type [| i32_type;
35 let b = builder_at_end (global_context ()) (entry_block fn) in
36 let add = build_add (param fn 0) (param fn 1) "sum" b in
37 ignore (build_ret add b)
39 let test_genericvalue () =
41 let ptrgv = GenericValue.of_pointer tu in
42 assert (tu = GenericValue.as_pointer ptrgv);
44 let fpgv = GenericValue.of_float double_type 2. in
45 assert (2. = GenericValue.as_float double_type fpgv);
47 let intgv = GenericValue.of_int i32_type 3 in
48 assert (3 = GenericValue.as_int intgv);
50 let i32gv = GenericValue.of_int32 i32_type (Int32.of_int 4) in
51 assert ((Int32.of_int 4) = GenericValue.as_int32 i32gv);
53 let nigv = GenericValue.of_nativeint i32_type (Nativeint.of_int 5) in
54 assert ((Nativeint.of_int 5) = GenericValue.as_nativeint nigv);
56 let i64gv = GenericValue.of_int64 i64_type (Int64.of_int 6) in
57 assert ((Int64.of_int 6) = GenericValue.as_int64 i64gv)
59 let test_executionengine () =
61 let m = create_module (global_context ()) "test_module" in
62 let main = define_main_fn m 42 in
64 let m2 = create_module (global_context ()) "test_module2" in
67 let ee = ExecutionEngine.create m in
68 ExecutionEngine.add_module m2 ee;
70 (* run_static_ctors *)
71 ExecutionEngine.run_static_ctors ee;
73 (* run_function_as_main *)
74 let res = ExecutionEngine.run_function_as_main main [|"test"|] [||] ee in
75 if 42 != res then bomb "main did not return 42";
77 (* free_machine_code *)
78 ExecutionEngine.free_machine_code main ee;
81 match ExecutionEngine.find_function "dne" ee with
82 | Some _ -> raise (Failure "find_function 'dne' failed")
85 match ExecutionEngine.find_function "plus" ee with
86 | None -> raise (Failure "find_function 'plus' failed")
90 let res = ExecutionEngine.run_function plus
91 [| GenericValue.of_int i32_type 2;
92 GenericValue.of_int i32_type 2 |]
94 if 4 != GenericValue.as_int res then bomb "plus did not work";
97 Llvm.dispose_module (ExecutionEngine.remove_module m2 ee);
99 (* run_static_dtors *)
100 ExecutionEngine.run_static_dtors ee;
102 (* Show that the target data binding links and runs.*)
103 let td = ExecutionEngine.target_data ee in
105 (* Demonstrate that a garbage pointer wasn't returned. *)
106 let ty = intptr_type td in
107 if ty != i32_type && ty != i64_type then bomb "target_data did not work";
110 ExecutionEngine.dispose ee
113 test_genericvalue ();
114 test_executionengine ()