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(* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_scalar_opts.cmxa llvm_target.cmxa %s -o %t
*)
(* 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_scalar_opts
open Llvm_target
let context = global_context ()
let void_type = Llvm.void_type context
(* Tiny unit test framework - really just to help find which line is busted *)
let suite name f =
prerr_endline (name ^ ":");
f ()
(*===-- Fixture -----------------------------------------------------------===*)
let filename = Sys.argv.(1)
let m = create_module context filename
let mp = ModuleProvider.create m
(*===-- Transforms --------------------------------------------------------===*)
let test_transforms () =
let (++) x f = ignore (f x); x in
let fty = function_type void_type [| |] in
let fn = define_function "fn" fty m in
ignore (build_ret_void (builder_at_end context (entry_block fn)));
let td = TargetData.create (target_triple m) in
ignore (PassManager.create_function mp
++ TargetData.add td
++ add_instruction_combining
++ add_reassociation
++ add_gvn
++ add_cfg_simplification
++ add_constant_propagation
++ PassManager.initialize
++ PassManager.run_function fn
++ PassManager.finalize
++ PassManager.dispose);
TargetData.dispose td
(*===-- Driver ------------------------------------------------------------===*)
let _ =
suite "transforms" test_transforms;
ModuleProvider.dispose mp
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