bitreader.ml revision 7a653cb24d4dda283d34c984e81514ac1547796e 
1(* RUN: %ocamlc -warn-error A llvm.cma llvm_bitreader.cma llvm_bitwriter.cma %s -o %t
2 * RUN: ./%t %t.bc
3 * RUN: llvm-dis < %t.bc | grep caml_int_ty
4 *)
5
6(* Note that this takes a moment to link, so it's best to keep the number of
7   individual tests low. *)
8
9let test x = if not x then exit 1 else ()
10
11let _ =
12  let fn = Sys.argv.(1) in
13  let m = Llvm.create_module "ocaml_test_module" in
14  
15  ignore (Llvm.define_type_name "caml_int_ty" Llvm.i32_type m);
16  
17  test (Llvm_bitwriter.write_bitcode_file m fn);
18  
19  Llvm.dispose_module m;
20  
21  (* parse_bitcode *)
22  begin
23    let mb = Llvm.MemoryBuffer.of_file fn in
24    begin try
25      let m = Llvm_bitreader.parse_bitcode mb in
26      Llvm.dispose_module m
27    with x ->
28      Llvm.MemoryBuffer.dispose mb;
29      raise x
30    end
31  end;
32  
33  (* MemoryBuffer.of_file *)
34  test begin try
35    let mb = Llvm.MemoryBuffer.of_file (fn ^ ".bogus") in
36    Llvm.MemoryBuffer.dispose mb;
37    false
38  with Llvm.IoError _ ->
39    true
40  end;
41  
42  (* get_module_provider *)
43  begin
44    let mb = Llvm.MemoryBuffer.of_file fn in
45    let mp = begin try
46      Llvm_bitreader.get_module_provider mb
47    with x ->
48      Llvm.MemoryBuffer.dispose mb;
49      raise x
50    end in
51    Llvm.ModuleProvider.dispose mp
52  end;
53  
54  (* corrupt the bitcode *)
55  let fn = fn ^ ".txt" in
56  begin let oc = open_out fn in
57    output_string oc "not a bitcode file\n";
58    close_out oc
59  end;
60  
61  (* test get_module_provider exceptions *)
62  test begin
63    try
64      let mb = Llvm.MemoryBuffer.of_file fn in
65      let mp = begin try
66        Llvm_bitreader.get_module_provider mb
67      with x ->
68        Llvm.MemoryBuffer.dispose mb;
69        raise x
70      end in
71      Llvm.ModuleProvider.dispose mp;
72      false
73    with Llvm_bitreader.Error _ ->
74      true
75  end
76