C and Objective Caml bindings for several scalar transforms.

Patch originally by Erick Tryzelaar, but has been modified somewhat.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48419 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 50 insertions, 0 deletions

diff --git a/test/Bindings/Ocaml/scalar_opts.ml b/test/Bindings/Ocaml/scalar_opts.ml
new file mode 100644
index 0000000..2f520b1
--- /dev/null
+++ b/test/Bindings/Ocaml/scalar_opts.ml
@@ -0,0 +1,50 @@
+(* RUN: %ocamlc -warn-error A llvm.cma llvm_scalar_opts.cma %s -o %t
+ *)
+
+(* Note: It takes several seconds for ocamlc 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
+
+
+(* 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 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 (entry_block fn)));
+  
+  ignore (PassManager.create_function mp
+        (* ++ add_instruction_combining  Requires target data. *)
+           ++ add_reassociation
+           ++ add_gvn
+           ++ add_cfg_simplification
+           ++ add_constant_propagation
+           ++ PassManager.initialize
+           ++ PassManager.run_function fn
+           ++ PassManager.finalize
+           ++ PassManager.dispose)
+
+
+(*===-- Driver ------------------------------------------------------------===*)
+
+let _ =
+  suite "transforms" test_transforms;
+  ModuleProvider.dispose mp