1 (* RUN: cp %s %T/executionengine.ml
2 * RUN: %ocamlcomp -warn-error A -package llvm.executionengine -linkpkg %T/executionengine.ml -o %t
4 * REQUIRES: native, object-emission
9 open Llvm_executionengine
12 (* Note that this takes a moment to link, so it's best to keep the number of
13 individual tests low. *)
15 let context = global_context ()
16 let i8_type = Llvm.i8_type context
17 let i32_type = Llvm.i32_type context
18 let i64_type = Llvm.i64_type context
19 let double_type = Llvm.double_type context
22 assert (Llvm_executionengine.initialize_native_target ())
28 let define_main_fn m retval =
30 let str_arr_type = pointer_type (pointer_type i8_type) in
31 define_function "main" (function_type i32_type [| i32_type;
34 let b = builder_at_end (global_context ()) (entry_block fn) in
35 ignore (build_ret (const_int i32_type retval) b);
39 let fn = define_function "plus" (function_type i32_type [| i32_type;
41 let b = builder_at_end (global_context ()) (entry_block fn) in
42 let add = build_add (param fn 0) (param fn 1) "sum" b in
43 ignore (build_ret add b)
45 let test_genericvalue () =
47 let ptrgv = GenericValue.of_pointer tu in
48 assert (tu = GenericValue.as_pointer ptrgv);
50 let fpgv = GenericValue.of_float double_type 2. in
51 assert (2. = GenericValue.as_float double_type fpgv);
53 let intgv = GenericValue.of_int i32_type 3 in
54 assert (3 = GenericValue.as_int intgv);
56 let i32gv = GenericValue.of_int32 i32_type (Int32.of_int 4) in
57 assert ((Int32.of_int 4) = GenericValue.as_int32 i32gv);
59 let nigv = GenericValue.of_nativeint i32_type (Nativeint.of_int 5) in
60 assert ((Nativeint.of_int 5) = GenericValue.as_nativeint nigv);
62 let i64gv = GenericValue.of_int64 i64_type (Int64.of_int 6) in
63 assert ((Int64.of_int 6) = GenericValue.as_int64 i64gv)
65 let test_executionengine engine =
67 let m = create_module (global_context ()) "test_module" in
68 let main = define_main_fn m 42 in
70 let m2 = create_module (global_context ()) "test_module2" in
75 | `Interpreter -> ExecutionEngine.create_interpreter m
76 | `JIT -> ExecutionEngine.create_jit m 0
77 | `MCJIT -> ExecutionEngine.create_mcjit m ExecutionEngine.default_compiler_options
79 ExecutionEngine.add_module m2 ee;
81 (* run_static_ctors *)
82 ExecutionEngine.run_static_ctors ee;
84 (* run_function_as_main *)
85 let res = ExecutionEngine.run_function_as_main main [|"test"|] [||] ee in
86 if 42 != res then bomb "main did not return 42";
88 (* free_machine_code *)
89 ExecutionEngine.free_machine_code main ee;
92 match ExecutionEngine.find_function "dne" ee with
93 | Some _ -> raise (Failure "find_function 'dne' failed")
96 match ExecutionEngine.find_function "plus" ee with
97 | None -> raise (Failure "find_function 'plus' failed")
100 begin match engine with
101 | `MCJIT -> () (* Currently can only invoke 0-ary functions *)
102 | `JIT -> () (* JIT is now a shim around MCJIT, jokes on you *)
105 let res = ExecutionEngine.run_function plus
106 [| GenericValue.of_int i32_type 2;
107 GenericValue.of_int i32_type 2 |]
109 if 4 != GenericValue.as_int res then bomb "plus did not work";
113 Llvm.dispose_module (ExecutionEngine.remove_module m2 ee);
115 (* run_static_dtors *)
116 ExecutionEngine.run_static_dtors ee;
118 (* Show that the data layout binding links and runs.*)
119 let dl = ExecutionEngine.data_layout ee in
121 (* Demonstrate that a garbage pointer wasn't returned. *)
122 let ty = DataLayout.intptr_type context dl in
123 if ty != i32_type && ty != i64_type then bomb "target_data did not work";
126 ExecutionEngine.dispose ee
129 test_genericvalue ();
130 test_executionengine `Interpreter;
131 test_executionengine `JIT;
132 test_executionengine `MCJIT;