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1 (* RUN: cp %s %T/target.ml
2 * RUN: %ocamlc -g -warn-error A -package llvm.target -package llvm.all_backends -linkpkg %T/target.ml -o %t
3 * RUN: %ocamlopt -g -warn-error A -package llvm.target -package llvm.all_backends -linkpkg %T/target.ml -o %t
4 * RUN: %t %t.bc
5 * XFAIL: vg_leak
6 *)
7
8 (* Note: It takes several seconds for ocamlopt to link an executable with
9 libLLVMCore.a, so it's better to write a big test than a bunch of
10 little ones. *)
11
12 open Llvm
13 open Llvm_target
14
15 let () = Llvm_all_backends.initialize ()
16
17 let context = global_context ()
18 let i32_type = Llvm.i32_type context
19 let i64_type = Llvm.i64_type context
20
21 (* Tiny unit test framework - really just to help find which line is busted *)
22 let print_checkpoints = false
23
24 let _ =
25 Printexc.record_backtrace true
26
27 let assert_equal a b =
28 if a <> b then failwith "assert_equal"
29
30
31 (*===-- Fixture -----------------------------------------------------------===*)
32
33 let filename = Sys.argv.(1)
34 let m = create_module context filename
35
36 let target = Target.by_triple (Target.default_triple ())
37
38 let machine = TargetMachine.create (Target.default_triple ()) target
39
40 (*===-- Data Layout -------------------------------------------------------===*)
41
42 let test_target_data () =
43 let module DL = DataLayout in
44 let layout = "e-p:32:32-f64:32:64-v64:32:64-v128:32:128-n32-S32" in
45 let dl = DL.of_string layout in
46 let sty = struct_type context [| i32_type; i64_type |] in
47
48 assert_equal (DL.as_string dl) layout;
49 assert_equal (DL.byte_order dl) Endian.Little;
50 assert_equal (DL.pointer_size dl) 4;
51 assert_equal (DL.intptr_type context dl) i32_type;
52 assert_equal (DL.qualified_pointer_size 0 dl) 4;
53 assert_equal (DL.qualified_intptr_type context 0 dl) i32_type;
54 assert_equal (DL.size_in_bits sty dl) (Int64.of_int 96);
55 assert_equal (DL.store_size sty dl) (Int64.of_int 12);
56 assert_equal (DL.abi_size sty dl) (Int64.of_int 12);
57 assert_equal (DL.stack_align sty dl) 4;
58 assert_equal (DL.preferred_align sty dl) 8;
59 assert_equal (DL.preferred_align_of_global (declare_global sty "g" m) dl) 8;
60 assert_equal (DL.element_at_offset sty (Int64.of_int 1) dl) 0;
61 assert_equal (DL.offset_of_element sty 1 dl) (Int64.of_int 4);
62
63 let pm = PassManager.create () in
64 ignore (DL.add_to_pass_manager pm dl)
65
66
67 (*===-- Target ------------------------------------------------------------===*)
68
69 let test_target () =
70 let module T = Target in
71 ignore (T.succ target);
72 ignore (T.name target);
73 ignore (T.description target);
74 ignore (T.has_jit target);
75 ignore (T.has_target_machine target);
76 ignore (T.has_asm_backend target)
77
78
79 (*===-- Target Machine ----------------------------------------------------===*)
80
81 let test_target_machine () =
82 let module TM = TargetMachine in
83 assert_equal (TM.target machine) target;
84 assert_equal (TM.triple machine) (Target.default_triple ());
85 assert_equal (TM.cpu machine) "";
86 assert_equal (TM.features machine) "";
87 ignore (TM.data_layout machine);
88 TM.set_verbose_asm true machine;
89 let pm = PassManager.create () in
90 TM.add_analysis_passes pm machine
91
92
93 (*===-- Code Emission -----------------------------------------------------===*)
94
95 let test_code_emission () =
96 TargetMachine.emit_to_file m CodeGenFileType.ObjectFile filename machine;
97 try
98 TargetMachine.emit_to_file m CodeGenFileType.ObjectFile
99 "/nonexistent/file" machine;
100 failwith "must raise"
101 with Llvm_target.Error _ ->
102 ();
103
104 let buf = TargetMachine.emit_to_memory_buffer m CodeGenFileType.ObjectFile
105 machine in
106 Llvm.MemoryBuffer.dispose buf
107
108
109 (*===-- Driver ------------------------------------------------------------===*)
110
111 let _ =
112 test_target_data ();
113 test_target ();
114 test_target_machine ();
115 test_code_emission ();
116 dispose_module m