[OCaml] Implement Llvm_vectorize bindings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193950 91177308-0d34-0410-b5e6-96231b3b80d8

bindings/ocaml/llvm/META.llvm.in

@@ -54,6 +54,14 @@ package "scalar_opts" (
     archive(native) = "llvm_scalar_opts.cmxa"
 )
 
+package "vectorize" (
+    requires = "llvm"
+    version = "@PACKAGE_VERSION@"
+    description = "Vector Transforms for LLVM"
+    archive(byte) = "llvm_vectorize.cma"
+    archive(native) = "llvm_vectorize.cmxa"
+)
+
 package "target" (
     requires = "llvm"
     version  = "@PACKAGE_VERSION@"

bindings/ocaml/transforms/Makefile

@@ -8,7 +8,7 @@
 ##===----------------------------------------------------------------------===##
 
 LEVEL := ../../..
-DIRS = scalar ipo
+DIRS = scalar ipo vectorize
 
 ocamldoc:
 	$(Verb) for i in $(DIRS) ; do \

bindings/ocaml/transforms/vectorize/Makefile

@@ -0,0 +1,19 @@
+##===- bindings/ocaml/transforms/vectorize/Makefile --------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+#
+# This is the makefile for the Objective Caml Llvm_vectorize_opts interface.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../../..
+LIBRARYNAME := llvm_vectorize
+UsedComponents := vectorize
+UsedOcamlInterfaces := llvm
+
+include ../../Makefile.ocaml

bindings/ocaml/transforms/vectorize/llvm_vectorize.ml

@@ -0,0 +1,15 @@
+(*===-- llvm_vectorize.ml - LLVM OCaml Interface --------------*- OCaml -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+external add_bb_vectorize : [<Llvm.PassManager.any] Llvm.PassManager.t -> unit
+                          = "llvm_add_bb_vectorize"
+external add_loop_vectorize : [<Llvm.PassManager.any] Llvm.PassManager.t -> unit
+                            = "llvm_add_loop_vectorize"
+external add_slp_vectorize : [<Llvm.PassManager.any] Llvm.PassManager.t -> unit
+                           = "llvm_add_slp_vectorize"

bindings/ocaml/transforms/vectorize/llvm_vectorize.mli

@@ -0,0 +1,25 @@
+(*===-- llvm_vectorize.mli - LLVM OCaml Interface -------------*- OCaml -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** Vectorize Transforms.
+
+    This interface provides an OCaml API for LLVM vectorize transforms, the
+    classes in the [LLVMVectorize] library. *)
+
+(** See the [llvm::createBBVectorizePass] function. *)
+external add_bb_vectorize : [<Llvm.PassManager.any] Llvm.PassManager.t -> unit
+                          = "llvm_add_bb_vectorize"
+
+(** See the [llvm::createLoopVectorizePass] function. *)
+external add_loop_vectorize : [<Llvm.PassManager.any] Llvm.PassManager.t -> unit
+                            = "llvm_add_loop_vectorize"
+
+(** See [llvm::createSLPVectorizerPass] function. *)
+external add_slp_vectorize : [<Llvm.PassManager.any] Llvm.PassManager.t -> unit
+                           = "llvm_add_slp_vectorize"

bindings/ocaml/transforms/vectorize/vectorize_ocaml.c

@@ -0,0 +1,38 @@
+/*===-- vectorize_ocaml.c - LLVM OCaml Glue ---------------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's OCaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+|* Note that these functions intentionally take liberties with the CAMLparamX *|
+|* macros, since most of the parameters are not GC heap objects.              *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/Transforms/Vectorize.h"
+#include "caml/mlvalues.h"
+#include "caml/misc.h"
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_bb_vectorize(LLVMPassManagerRef PM) {
+  LLVMAddBBVectorizePass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_loop_vectorize(LLVMPassManagerRef PM) {
+  LLVMAddLoopVectorizePass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_slp_vectorize(LLVMPassManagerRef PM) {
+  LLVMAddSLPVectorizePass(PM);
+  return Val_unit;
+}

test/Bindings/Ocaml/vectorize_opts.ml

@@ -0,0 +1,61 @@
+(* RUN: rm -rf %t.builddir
+ * RUN: mkdir -p %t.builddir
+ * RUN: cp %s %t.builddir
+ * RUN: %ocamlopt -warn-error A llvm.cmxa llvm_vectorize.cmxa llvm_target.cmxa %t.builddir/vectorize_opts.ml -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_vectorize
+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 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 void_type [| |] in
+  let fn = define_function "fn" fty m in
+  ignore (build_ret_void (builder_at_end context (entry_block fn)));
+
+  let td = DataLayout.create (target_triple m) in
+
+  ignore (PassManager.create ()
+           ++ DataLayout.add td
+           ++ add_bb_vectorize
+           ++ add_loop_vectorize
+           ++ add_slp_vectorize
+           ++ PassManager.run_module m
+           ++ PassManager.dispose);
+
+  DataLayout.dispose td
+
+
+(*===-- Driver ------------------------------------------------------------===*)
+
+let _ =
+  suite "transforms" test_transforms;
+  dispose_module m