C and Ocaml bindings for ExecutionEngine (i.e., the JIT compiler).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45335 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 101 insertions, 0 deletions

diff --git a/test/Bindings/Ocaml/executionengine.ml b/test/Bindings/Ocaml/executionengine.ml
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+++ b/test/Bindings/Ocaml/executionengine.ml
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+(* RUN: %ocamlc -warn-error A llvm.cma llvm_executionengine.cma %s -o %t
+ * RUN: ./%t %t.bc
+ *)
+
+open Llvm
+open Llvm_executionengine
+
+(* 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 4l in
+  assert (4l = GenericValue.as_int32 i32gv);
+  
+  let nigv = GenericValue.of_nativeint i32_type 5n in
+  assert (5n = GenericValue.as_nativeint nigv);
+  
+  let i64gv = GenericValue.of_int64 i64_type 6L in
+  assert (6L = 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;
+  
+  (* dispose *)
+  ExecutionEngine.dispose ee
+
+let _ =
+  test_genericvalue ();
+  test_executionengine ()