test/Bindings/Ocaml/scalar_opts.ml

   1 (* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_scalar_opts.cmxa llvm_target.cmxa %s -o %t
   2  * RUN: %t %t.bc
   3  * XFAIL: vg_leak
   4  *)
   5
   6 (* Note: It takes several seconds for ocamlopt to link an executable with
   7          libLLVMCore.a, so it's better to write a big test than a bunch of
   8          little ones. *)
   9
  10 open Llvm
  11 open Llvm_scalar_opts
  12 open Llvm_target
  13
  14 let context = global_context ()
  15 let void_type = Llvm.void_type context
  16
  17 (* Tiny unit test framework - really just to help find which line is busted *)
  18 let print_checkpoints = false
  19
  20 let suite name f =
  21   if print_checkpoints then
  22     prerr_endline (name ^ ":");
  23   f ()
  24
  25
  26 (*===-- Fixture -----------------------------------------------------------===*)
  27
  28 let filename = Sys.argv.(1)
  29 let m = create_module context filename
  30
  31
  32 (*===-- Transforms --------------------------------------------------------===*)
  33
  34 let test_transforms () =
  35   let (++) x f = ignore (f x); x in
  36
  37   let fty = function_type void_type [| |] in
  38   let fn = define_function "fn" fty m in
  39   ignore (build_ret_void (builder_at_end context (entry_block fn)));
  40
  41   let td = TargetData.create (target_triple m) in
  42
  43   ignore (PassManager.create_function m
  44            ++ TargetData.add td
  45            ++ add_constant_propagation
  46            ++ add_sccp
  47            ++ add_dead_store_elimination
  48            ++ add_aggressive_dce
  49            ++ add_scalar_repl_aggregation
  50            ++ add_ind_var_simplification
  51            ++ add_instruction_combination
  52            ++ add_licm
  53            ++ add_loop_unswitch
  54            ++ add_loop_unroll
  55            ++ add_loop_rotation
  56            ++ add_memory_to_register_promotion
  57            ++ add_memory_to_register_demotion
  58            ++ add_reassociation
  59            ++ add_jump_threading
  60            ++ add_cfg_simplification
  61            ++ add_tail_call_elimination
  62            ++ add_gvn
  63            ++ add_memcpy_opt
  64            ++ add_loop_deletion
  65            ++ add_lib_call_simplification
  66            ++ PassManager.initialize
  67            ++ PassManager.run_function fn
  68            ++ PassManager.finalize
  69            ++ PassManager.dispose);
  70
  71   TargetData.dispose td
  72
  73
  74 (*===-- Driver ------------------------------------------------------------===*)
  75
  76 let _ =
  77   suite "transforms" test_transforms;
  78   dispose_module m