test/Bindings/OCaml/scalar_opts.ml

   1 (* RUN: rm -rf %t && mkdir -p %t && cp %s %t/scalar_opts.ml
   2  * RUN: %ocamlc -g -w +A -package llvm.scalar_opts -linkpkg %t/scalar_opts.ml -o %t/executable
   3  * RUN: %t/executable %t/bitcode.bc
   4  * RUN: %ocamlopt -g -w +A -package llvm.scalar_opts -linkpkg %t/scalar_opts.ml -o %t/executable
   5  * RUN: %t/executable %t/bitcode.bc
   6  * XFAIL: vg_leak
   7  *)
   8
   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
  11          little ones. *)
  12
  13 open Llvm
  14 open Llvm_scalar_opts
  15 open Llvm_target
  16
  17 let context = global_context ()
  18 let void_type = Llvm.void_type context
  19
  20 (* Tiny unit test framework - really just to help find which line is busted *)
  21 let print_checkpoints = false
  22
  23 let suite name f =
  24   if print_checkpoints then
  25     prerr_endline (name ^ ":");
  26   f ()
  27
  28
  29 (*===-- Fixture -----------------------------------------------------------===*)
  30
  31 let filename = Sys.argv.(1)
  32 let m = create_module context filename
  33
  34
  35 (*===-- Transforms --------------------------------------------------------===*)
  36
  37 let test_transforms () =
  38   let (++) x f = f x; x in
  39
  40   let fty = function_type void_type [| |] in
  41   let fn = define_function "fn" fty m in
  42   ignore (build_ret_void (builder_at_end context (entry_block fn)));
  43
  44   ignore (PassManager.create_function m
  45            ++ add_aggressive_dce
  46            ++ add_alignment_from_assumptions
  47            ++ add_cfg_simplification
  48            ++ add_dead_store_elimination
  49            ++ add_scalarizer
  50            ++ add_merged_load_store_motion
  51            ++ add_gvn
  52            ++ add_ind_var_simplification
  53            ++ add_instruction_combination
  54            ++ add_jump_threading
  55            ++ add_licm
  56            ++ add_loop_deletion
  57            ++ add_loop_idiom
  58            ++ add_loop_rotation
  59            ++ add_loop_reroll
  60            ++ add_loop_unroll
  61            ++ add_loop_unswitch
  62            ++ add_memcpy_opt
  63            ++ add_partially_inline_lib_calls
  64            ++ add_lower_switch
  65            ++ add_memory_to_register_promotion
  66            ++ add_reassociation
  67            ++ add_sccp
  68            ++ add_scalar_repl_aggregation
  69            ++ add_scalar_repl_aggregation_ssa
  70            ++ add_scalar_repl_aggregation_with_threshold 4
  71            ++ add_lib_call_simplification
  72            ++ add_tail_call_elimination
  73            ++ add_constant_propagation
  74            ++ add_memory_to_register_demotion
  75            ++ add_verifier
  76            ++ add_correlated_value_propagation
  77            ++ add_early_cse
  78            ++ add_lower_expect_intrinsic
  79            ++ add_type_based_alias_analysis
  80            ++ add_scoped_no_alias_alias_analysis
  81            ++ add_basic_alias_analysis
  82            ++ PassManager.initialize
  83            ++ PassManager.run_function fn
  84            ++ PassManager.finalize
  85            ++ PassManager.dispose)
  86
  87
  88 (*===-- Driver ------------------------------------------------------------===*)
  89
  90 let _ =
  91   suite "transforms" test_transforms;
  92   dispose_module m