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