llvm-6502/test/Bindings/Ocaml/ipo_opts.ml

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(* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_ipo.cmxa llvm_target.cmxa %s -o %t
* RUN: %t %t.bc
* 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_ipo
open Llvm_target
let context = global_context ()
let void_type = Llvm.void_type context
let i8_type = Llvm.i8_type 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 ()
(*===-- Fixture -----------------------------------------------------------===*)
let filename = Sys.argv.(1)
let m = create_module context filename
(*===-- Transforms --------------------------------------------------------===*)
let test_transforms () =
let (++) x f = ignore (f x); x in
let fty = function_type i8_type [| |] in
let fn = define_function "fn" fty m in
let fn2 = define_function "fn2" fty m in begin
ignore (build_ret (const_int i8_type 4) (builder_at_end context (entry_block fn)));
let b = builder_at_end context (entry_block fn2) in
ignore (build_ret (build_call fn [| |] "" b) b);
end;
let td = DataLayout.create (target_triple m) in
ignore (PassManager.create ()
++ DataLayout.add td
++ add_argument_promotion
++ add_constant_merge
++ add_dead_arg_elimination
++ add_function_attrs
++ add_function_inlining
++ add_global_dce
++ add_global_optimizer
++ add_ipc_propagation
++ add_prune_eh
++ add_ipsccp
++ add_internalize
++ add_strip_dead_prototypes
++ add_strip_symbols
++ PassManager.run_module m
++ PassManager.dispose);
DataLayout.dispose td
(*===-- Driver ------------------------------------------------------------===*)
let _ =
suite "transforms" test_transforms;
dispose_module m