source: icGREP/icgrep-devel/llvm-3.8.0.src/test/Bindings/OCaml/executionengine.ml @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

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1(* RUN: cp %s %T/executionengine.ml
2 * RUN: %ocamlc -g -w +A -package llvm.executionengine -linkpkg %T/executionengine.ml -o %t
3 * RUN: %t
4 * RUN: %ocamlopt -g -w +A -package llvm.executionengine -linkpkg %T/executionengine.ml -o %t
5 * RUN: %t
6 * REQUIRES: native, object-emission
7 * XFAIL: vg_leak
8 *)
9
10open Llvm
11open Llvm_executionengine
12open Llvm_target
13
14(* Note that this takes a moment to link, so it's best to keep the number of
15   individual tests low. *)
16
17let context = global_context ()
18let i8_type = Llvm.i8_type context
19let i32_type = Llvm.i32_type context
20let i64_type = Llvm.i64_type context
21let double_type = Llvm.double_type context
22
23let () =
24  assert (Llvm_executionengine.initialize ())
25
26let bomb msg =
27  prerr_endline msg;
28  exit 2
29
30let define_getglobal m pg =
31  let fn = define_function "getglobal" (function_type i32_type [||]) m in
32  let b = builder_at_end (global_context ()) (entry_block fn) in
33  let g = build_call pg [||] "" b in
34  ignore (build_ret g b);
35  fn
36
37let define_plus m =
38  let fn = define_function "plus" (function_type i32_type [| i32_type;
39                                                             i32_type |]) m in
40  let b = builder_at_end (global_context ()) (entry_block fn) in
41  let add = build_add (param fn 0) (param fn 1) "sum" b in
42  ignore (build_ret add b);
43  fn
44
45let test_executionengine () =
46  let open Ctypes in
47
48  (* create *)
49  let m = create_module (global_context ()) "test_module" in
50  let ee = create m in
51
52  (* add plus *)
53  ignore (define_plus m);
54
55  (* declare global variable *)
56  ignore (define_global "globvar" (const_int i32_type 23) m);
57
58  (* add module *)
59  let m2 = create_module (global_context ()) "test_module2" in
60  add_module m2 ee;
61
62  (* add global mapping *)
63  (* BROKEN: see PR20656 *)
64  (* let g = declare_function "g" (function_type i32_type [||]) m2 in
65  let cg = coerce (Foreign.funptr (void @-> returning int32_t)) (ptr void)
66                                  (fun () -> 42l) in
67  add_global_mapping g cg ee;
68
69  (* check g *)
70  let cg' = get_pointer_to_global g (ptr void) ee in
71  if 0 <> ptr_compare cg cg' then bomb "int pointers to g differ";
72
73  (* add getglobal *)
74  let getglobal = define_getglobal m2 g in*)
75
76  (* run_static_ctors *)
77  run_static_ctors ee;
78
79  (* get a handle on globvar *)
80  let varh    = get_global_value_address "globvar" int32_t ee in
81  if 23l <> varh then bomb "get_global_value_address didn't work";
82
83  (* call plus *)
84  let cplusty = Foreign.funptr (int32_t @-> int32_t @-> returning int32_t) in
85  let cplus   = get_function_address "plus" cplusty ee in
86  if 4l <> cplus 2l 2l then bomb "plus didn't work";
87
88  (* call getglobal *)
89  (* let cgetglobalty = Foreign.funptr (void @-> returning int32_t) in
90  let cgetglobal   = get_pointer_to_global getglobal cgetglobalty ee in
91  if 42l <> cgetglobal () then bomb "getglobal didn't work"; *)
92
93  (* remove_module *)
94  remove_module m2 ee;
95  dispose_module m2;
96
97  (* run_static_dtors *)
98  run_static_dtors ee;
99
100  (* Show that the data layout binding links and runs.*)
101  let dl = data_layout ee in
102
103  (* Demonstrate that a garbage pointer wasn't returned. *)
104  let ty = DataLayout.intptr_type context dl in
105  if ty != i32_type && ty != i64_type then bomb "target_data did not work";
106
107  (* dispose *)
108  dispose ee
109
110let () =
111  test_executionengine ();
112  Gc.compact ()
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