test/Bindings/Ocaml/scalar_opts.ml

   1 (* RUN: %ocamlc -warn-error A llvm.cma llvm_scalar_opts.cma llvm_target.cma %s -o %t 2> /dev/null
   2  *)
   3
   4 (* Note: It takes several seconds for ocamlc to link an executable with
   5          libLLVMCore.a, so it's better to write a big test than a bunch of
   6          little ones. *)
   7
   8 open Llvm
   9 open Llvm_scalar_opts
  10 open Llvm_target
  11
  12
  13 (* Tiny unit test framework - really just to help find which line is busted *)
  14 let suite name f =
  15   prerr_endline (name ^ ":");
  16   f ()
  17
  18
  19 (*===-- Fixture -----------------------------------------------------------===*)
  20
  21 let filename = Sys.argv.(1)
  22 let m = create_module filename
  23 let mp = ModuleProvider.create m
  24
  25
  26 (*===-- Transforms --------------------------------------------------------===*)
  27
  28 let test_transforms () =
  29   let (++) x f = ignore (f x); x in
  30
  31   let fty = function_type void_type [| |] in
  32   let fn = define_function "fn" fty m in
  33   ignore (build_ret_void (builder_at_end (entry_block fn)));
  34
  35   let td = TargetData.create (target_triple m) in
  36
  37   ignore (PassManager.create_function mp
  38            ++ TargetData.add td
  39            ++ add_instruction_combining
  40            ++ add_reassociation
  41            ++ add_gvn
  42            ++ add_cfg_simplification
  43            ++ add_constant_propagation
  44            ++ PassManager.initialize
  45            ++ PassManager.run_function fn
  46            ++ PassManager.finalize
  47            ++ PassManager.dispose);
  48
  49   TargetData.dispose td
  50
  51
  52 (*===-- Driver ------------------------------------------------------------===*)
  53
  54 let _ =
  55   suite "transforms" test_transforms;
  56   ModuleProvider.dispose mp