1 (* RUN: rm -rf %t.builddir
2 * RUN: mkdir -p %t.builddir
3 * RUN: cp %s %t.builddir
4 * RUN: %ocamlopt -g -warn-error A llvm.cmxa llvm_target.cmxa llvm_X86.cmxa %t.builddir/target.ml -o %t
9 (* Note: It takes several seconds for ocamlopt to link an executable with
10 libLLVMCore.a, so it's better to write a big test than a bunch of
16 let _ = Llvm_X86.initialize ()
18 let context = global_context ()
19 let i32_type = Llvm.i32_type context
20 let i64_type = Llvm.i64_type context
22 (* Tiny unit test framework - really just to help find which line is busted *)
23 let print_checkpoints = false
26 Printexc.record_backtrace true
28 let assert_equal a b =
29 if a <> b then failwith "assert_equal"
32 (*===-- Fixture -----------------------------------------------------------===*)
34 let filename = Sys.argv.(1)
35 let m = create_module context filename
38 match Target.by_name "x86" with
40 | None -> failwith "need a target"
43 TargetMachine.create ~triple:"i686-linux-gnu" ~cpu:"core2" target
45 (*===-- Data Layout -------------------------------------------------------===*)
47 let test_target_data () =
48 let module DL = DataLayout in
49 let layout = "e-p:32:32:32-S32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-" ^
50 "f16:16:16-f32:32:32-f64:32:64-f128:128:128-v64:32:64-v128:32:128-" ^
52 let dl = DL.of_string layout in
53 let sty = struct_type context [| i32_type; i64_type |] in
55 assert_equal (DL.as_string dl) layout;
56 assert_equal (DL.byte_order dl) Endian.Little;
57 assert_equal (DL.pointer_size dl) 4;
58 assert_equal (DL.intptr_type context dl) i32_type;
59 assert_equal (DL.qualified_pointer_size 0 dl) 4;
60 assert_equal (DL.qualified_intptr_type context 0 dl) i32_type;
61 assert_equal (DL.size_in_bits sty dl) (Int64.of_int 96);
62 assert_equal (DL.store_size sty dl) (Int64.of_int 12);
63 assert_equal (DL.abi_size sty dl) (Int64.of_int 12);
64 assert_equal (DL.stack_align sty dl) 4;
65 assert_equal (DL.preferred_align sty dl) 8;
66 assert_equal (DL.preferred_align_of_global (declare_global sty "g" m) dl) 8;
67 assert_equal (DL.element_at_offset sty (Int64.of_int 1) dl) 0;
68 assert_equal (DL.offset_of_element sty 1 dl) (Int64.of_int 4);
70 let pm = PassManager.create () in
71 ignore (DL.add_to_pass_manager pm dl)
74 (*===-- Target ------------------------------------------------------------===*)
77 let module T = Target in
78 ignore (T.succ target);
79 assert_equal (T.name target) "x86";
80 assert_equal (T.description target) "32-bit X86: Pentium-Pro and above";
81 assert_equal (T.has_jit target) true;
82 assert_equal (T.has_target_machine target) true;
83 assert_equal (T.has_asm_backend target) true
86 (*===-- Target Machine ----------------------------------------------------===*)
88 let test_target_machine () =
89 let module TM = TargetMachine in
90 assert_equal (TM.target machine) target;
91 assert_equal (TM.triple machine) "i686-linux-gnu";
92 assert_equal (TM.cpu machine) "core2";
93 assert_equal (TM.features machine) "";
94 ignore (TM.data_layout machine)
97 (*===-- Code Emission -----------------------------------------------------===*)
99 let test_code_emission () =
100 TargetMachine.emit_to_file m CodeGenFileType.ObjectFile filename machine;
102 TargetMachine.emit_to_file m CodeGenFileType.ObjectFile
103 "/nonexistent/file" machine;
104 failwith "must raise"
105 with Llvm_target.Error _ ->
108 let buf = TargetMachine.emit_to_memory_buffer m CodeGenFileType.ObjectFile
110 Llvm.MemoryBuffer.dispose buf
113 (*===-- Driver ------------------------------------------------------------===*)
118 test_target_machine ();
119 (* test_code_emission (); *) (* broken without AsmParser support *)