llvm-project/llvm/test/Bindings/Ocaml/irreader.ml

60 lines
1.4 KiB
OCaml

(* RUN: rm -rf %t.builddir
* RUN: mkdir -p %t.builddir
* RUN: cp %s %t.builddir
* RUN: %ocamlopt -g -warn-error A llvm.cmxa llvm_irreader.cmxa %t.builddir/irreader.ml -o %t
* RUN: %t
* XFAIL: vg_leak
*)
(* Note: It takes several seconds for ocamlopt to link an executable with
libLLVMCore.a, so it's better to write a big test than a bunch of
little ones. *)
open Llvm
open Llvm_irreader
let context = global_context ()
(* Tiny unit test framework - really just to help find which line is busted *)
let print_checkpoints = false
let suite name f =
if print_checkpoints then
prerr_endline (name ^ ":");
f ()
let _ =
Printexc.record_backtrace true
let insist cond =
if not cond then failwith "insist"
(*===-- IR Reader ---------------------------------------------------------===*)
let test_irreader () =
begin
let buf = MemoryBuffer.of_string "@foo = global i32 42" in
let m = parse_ir context buf in
match lookup_global "foo" m with
| Some foo ->
insist ((global_initializer foo) = (const_int (i32_type context) 42))
| None ->
failwith "global"
end;
begin
let buf = MemoryBuffer.of_string "@foo = global garble" in
try
ignore (parse_ir context buf);
failwith "parsed"
with Llvm_irreader.Error _ ->
()
end
(*===-- Driver ------------------------------------------------------------===*)
let _ =
suite "irreader" test_irreader