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

6 files changed, 146 insertions, 1 deletions

diff --git a/bindings/ocaml/Makefile b/bindings/ocaml/Makefile
index 5ae6fe06d1..868b110652 100644
--- a/bindings/ocaml/Makefile
+++ b/bindings/ocaml/Makefile
@@ -8,7 +8,7 @@
 ##===----------------------------------------------------------------------===##
 
 LEVEL := ../..
-DIRS = llvm bitreader bitwriter analysis executionengine
+DIRS = llvm bitreader bitwriter analysis executionengine transforms
 ExtraMakefiles = $(PROJ_OBJ_DIR)/Makefile.ocaml
 
 ocamldoc:
diff --git a/bindings/ocaml/transforms/Makefile b/bindings/ocaml/transforms/Makefile
new file mode 100644
index 0000000000..61800a9bbe
--- /dev/null
+++ b/bindings/ocaml/transforms/Makefile
@@ -0,0 +1,13 @@
+##===- bindings/ocaml/transforms/Makefile ------------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../..
+DIRS = scalar
+
+include $(LEVEL)/Makefile.common
diff --git a/bindings/ocaml/transforms/scalar/Makefile b/bindings/ocaml/transforms/scalar/Makefile
new file mode 100644
index 0000000000..cbaffa4ea7
--- /dev/null
+++ b/bindings/ocaml/transforms/scalar/Makefile
@@ -0,0 +1,20 @@
+##===- bindings/ocaml/transforms/scalar/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_scalar_opts interface.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../../..
+LIBRARYNAME := llvm_scalar_opts
+DONT_BUILD_RELINKED := 1
+UsedComponents := scalaropts
+UsedOcamlInterfaces := llvm
+
+include ../../Makefile.ocaml
diff --git a/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml
new file mode 100644
index 0000000000..8b6b7f9879
--- /dev/null
+++ b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml
@@ -0,0 +1,24 @@
+(*===-- llvm_scalar_opts.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_constant_propagation : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                    -> unit
+                                  = "llvm_add_constant_propagation"
+external add_instruction_combining : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                     -> unit
+                                   = "llvm_add_instruction_combining"
+external add_reassociation : [<Llvm.PassManager.any] Llvm.PassManager.t
+                             -> unit
+                           = "llvm_add_reassociation"
+external add_gvn : [<Llvm.PassManager.any] Llvm.PassManager.t
+                   -> unit
+                 = "llvm_add_gvn"
+external add_cfg_simplification : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                  -> unit
+                                = "llvm_add_cfg_simplification"
diff --git a/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli
new file mode 100644
index 0000000000..19efaa015e
--- /dev/null
+++ b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli
@@ -0,0 +1,38 @@
+(*===-- llvm_scalar_opts.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.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** Scalar Transforms.
+
+    This interface provides an ocaml API for LLVM scalar transforms, the
+    classes in the [LLVMScalarOpts] library. *)
+
+(** See the [llvm::createConstantPropogationPass] function. *)
+external add_constant_propagation : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                    -> unit
+                                  = "llvm_add_constant_propagation"
+
+(** See the [llvm::createInstructionCombiningPass] function. *)
+external add_instruction_combining : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                     -> unit
+                                   = "llvm_add_instruction_combining"
+
+(** See the [llvm::createReassociatePass] function. *)
+external add_reassociation : [<Llvm.PassManager.any] Llvm.PassManager.t
+                             -> unit
+                           = "llvm_add_reassociation"
+
+(** See the [llvm::createGVNPass] function. *)
+external add_gvn : [<Llvm.PassManager.any] Llvm.PassManager.t
+                   -> unit
+                 = "llvm_add_gvn"
+
+(** See the [llvm::createCFGSimplificationPass] function. *)
+external add_cfg_simplification : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                  -> unit
+                                = "llvm_add_cfg_simplification"
diff --git a/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c b/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c
new file mode 100644
index 0000000000..5ceb3699cc
--- /dev/null
+++ b/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c
@@ -0,0 +1,50 @@
+/*===-- scalar_opts_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/Scalar.h"
+#include "caml/mlvalues.h"
+#include "caml/misc.h"
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_constant_propagation(LLVMPassManagerRef PM) {
+  LLVMAddConstantPropagationPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_instruction_combining(LLVMPassManagerRef PM) {
+  LLVMAddInstructionCombiningPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_reassociation(LLVMPassManagerRef PM) {
+  LLVMAddReassociatePass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_gvn(LLVMPassManagerRef PM) {
+  LLVMAddGVNPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_cfg_simplification(LLVMPassManagerRef PM) {
+  LLVMAddCFGSimplificationPass(PM);
+  return Val_unit;
+}