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
10 open Llvm_executionengine
13 (* Note that this takes a moment to link, so it's best to keep the number of
14 individual tests low. *)
16 let context = global_context ()
17 let i8_type = Llvm.i8_type context
18 let i32_type = Llvm.i32_type context
19 let i64_type = Llvm.i64_type context
20 let double_type = Llvm.double_type context
26 let define_main_fn m retval =
28 let str_arr_type = pointer_type (pointer_type i8_type) in
29 define_function "main" (function_type i32_type [| i32_type;
32 let b = builder_at_end (global_context ()) (entry_block fn) in
33 ignore (build_ret (const_int i32_type retval) b);
37 let fn = define_function "plus" (function_type i32_type [| i32_type;
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)
43 let test_genericvalue () =
45 let ptrgv = GenericValue.of_pointer tu in
46 assert (tu = GenericValue.as_pointer ptrgv);
48 let fpgv = GenericValue.of_float double_type 2. in
49 assert (2. = GenericValue.as_float double_type fpgv);
51 let intgv = GenericValue.of_int i32_type 3 in
52 assert (3 = GenericValue.as_int intgv);
54 let i32gv = GenericValue.of_int32 i32_type (Int32.of_int 4) in
55 assert ((Int32.of_int 4) = GenericValue.as_int32 i32gv);
57 let nigv = GenericValue.of_nativeint i32_type (Nativeint.of_int 5) in
58 assert ((Nativeint.of_int 5) = GenericValue.as_nativeint nigv);
60 let i64gv = GenericValue.of_int64 i64_type (Int64.of_int 6) in
61 assert ((Int64.of_int 6) = GenericValue.as_int64 i64gv)
63 let test_executionengine () =
65 let m = create_module (global_context ()) "test_module" in
66 let main = define_main_fn m 42 in
68 let m2 = create_module (global_context ()) "test_module2" in
71 let ee = ExecutionEngine.create m in
72 ExecutionEngine.add_module m2 ee;
74 (* run_static_ctors *)
75 ExecutionEngine.run_static_ctors ee;
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";
81 (* free_machine_code *)
82 ExecutionEngine.free_machine_code main ee;
85 match ExecutionEngine.find_function "dne" ee with
86 | Some _ -> raise (Failure "find_function 'dne' failed")
89 match ExecutionEngine.find_function "plus" ee with
90 | None -> raise (Failure "find_function 'plus' failed")
94 let res = ExecutionEngine.run_function plus
95 [| GenericValue.of_int i32_type 2;
96 GenericValue.of_int i32_type 2 |]
98 if 4 != GenericValue.as_int res then bomb "plus did not work";
101 Llvm.dispose_module (ExecutionEngine.remove_module m2 ee);
103 (* run_static_dtors *)
104 ExecutionEngine.run_static_dtors ee;
106 (* Show that the data layout binding links and runs.*)
107 let dl = ExecutionEngine.data_layout ee in
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";
114 ExecutionEngine.dispose ee
117 test_genericvalue ();
118 test_executionengine ()