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      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
     93