(* RUN: %ocamlc -warn-error A llvm.cma llvm_target.cma llvm_executionengine.cma %s -o %t 2> /dev/null * RUN: ./%t %t.bc *) open Llvm open Llvm_executionengine open Llvm_target (* Note that this takes a moment to link, so it's best to keep the number of individual tests low. *) let bomb msg = prerr_endline msg; exit 2 let define_main_fn m retval = let fn = let str_arr_type = pointer_type (pointer_type i8_type) in define_function "main" (function_type i32_type [| i32_type; str_arr_type; str_arr_type |]) m in let b = builder_at_end (entry_block fn) in ignore (build_ret (const_int i32_type retval) b); fn let define_plus m = let fn = define_function "plus" (function_type i32_type [| i32_type; i32_type |]) m in let b = builder_at_end (entry_block fn) in let add = build_add (param fn 0) (param fn 1) "sum" b in ignore (build_ret add b) let test_genericvalue () = let tu = (1, 2) in let ptrgv = GenericValue.of_pointer tu in assert (tu = GenericValue.as_pointer ptrgv); let fpgv = GenericValue.of_float double_type 2. in assert (2. = GenericValue.as_float double_type fpgv); let intgv = GenericValue.of_int i32_type 3 in assert (3 = GenericValue.as_int intgv); let i32gv = GenericValue.of_int32 i32_type (Int32.of_int 4) in assert ((Int32.of_int 4) = GenericValue.as_int32 i32gv); let nigv = GenericValue.of_nativeint i32_type (Nativeint.of_int 5) in assert ((Nativeint.of_int 5) = GenericValue.as_nativeint nigv); let i64gv = GenericValue.of_int64 i64_type (Int64.of_int 6) in assert ((Int64.of_int 6) = GenericValue.as_int64 i64gv) let test_executionengine () = (* create *) let m = create_module "test_module" in let main = define_main_fn m 42 in let m2 = create_module "test_module2" in define_plus m2; let ee = ExecutionEngine.create (ModuleProvider.create m) in let mp2 = ModuleProvider.create m2 in ExecutionEngine.add_module_provider mp2 ee; (* run_static_ctors *) ExecutionEngine.run_static_ctors ee; (* run_function_as_main *) let res = ExecutionEngine.run_function_as_main main [|"test"|] [||] ee in if 42 != res then bomb "main did not return 42"; (* free_machine_code *) ExecutionEngine.free_machine_code main ee; (* find_function *) match ExecutionEngine.find_function "dne" ee with | Some _ -> raise (Failure "find_function 'dne' failed") | None -> match ExecutionEngine.find_function "plus" ee with | None -> raise (Failure "find_function 'plus' failed") | Some plus -> (* run_function *) let res = ExecutionEngine.run_function plus [| GenericValue.of_int i32_type 2; GenericValue.of_int i32_type 2 |] ee in if 4 != GenericValue.as_int res then bomb "plus did not work"; (* remove_module_provider *) Llvm.dispose_module (ExecutionEngine.remove_module_provider mp2 ee); (* run_static_dtors *) ExecutionEngine.run_static_dtors ee; (* Show that the target data binding links and runs.*) let td = ExecutionEngine.target_data ee in (* Demonstrate that a garbage pointer wasn't returned. *) let ty = intptr_type td in if ty != i32_type && ty != i64_type then bomb "target_data did not work"; (* dispose *) ExecutionEngine.dispose ee let _ = test_genericvalue (); test_executionengine ()