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