[LLVM-C][OCaml] Add LowerAtomic pass to C and OCaml APIs

Summary:
Adds LLVMAddLowerAtomicPass to expose createLowerAtomicPass in the C
and OCaml APIs.

Reviewers: whitequark, deadalnix

Reviewed By: whitequark

Subscribers: jfb, llvm-commits

Differential Revision: https://reviews.llvm.org/D52211

llvm-svn: 342475

5 files changed, 21 insertions, 0 deletions

diff --git a/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.ml b/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.ml
index b90d0aecd2a..5d349e6d0b7 100644
--- a/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.ml
+++ b/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.ml
@@ -64,6 +64,9 @@ external add_memcpy_opt
 external add_partially_inline_lib_calls
   : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
   = "llvm_add_partially_inline_lib_calls"
+external add_lower_atomic
+  : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
+  = "llvm_add_lower_atomic"
 external add_lower_switch
   : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
   = "llvm_add_lower_switch"
diff --git a/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli b/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli
index 48109dfdb6b..f49448eeab4 100644
--- a/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli
+++ b/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli
@@ -107,6 +107,11 @@ external add_partially_inline_lib_calls
   : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
   = "llvm_add_partially_inline_lib_calls"
 
+(** See the [llvm::createLowerAtomicPass] function. *)
+external add_lower_atomic
+  : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
+  = "llvm_add_lower_atomic"
+
 (** See the [llvm::createLowerSwitchPass] function. *)
 external add_lower_switch
   : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
diff --git a/llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c b/llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c
index 4e986cae24d..94b3da9f3ef 100644
--- a/llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c
+++ b/llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c
@@ -135,6 +135,12 @@ CAMLprim value llvm_add_partially_inline_lib_calls(LLVMPassManagerRef PM) {
 }
 
 /* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_lower_atomic(LLVMPassManagerRef PM) {
+  LLVMAddLowerAtomicPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
 CAMLprim value llvm_add_lower_switch(LLVMPassManagerRef PM) {
   LLVMAddLowerSwitchPass(PM);
   return Val_unit;
diff --git a/llvm/include/llvm-c/Transforms/Scalar.h b/llvm/include/llvm-c/Transforms/Scalar.h
index c4e6bae4c35..d5dcfb94a6c 100644
--- a/llvm/include/llvm-c/Transforms/Scalar.h
+++ b/llvm/include/llvm-c/Transforms/Scalar.h
@@ -92,6 +92,9 @@ void LLVMAddLoopUnrollAndJamPass(LLVMPassManagerRef PM);
 /** See llvm::createLoopUnswitchPass function. */
 void LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM);
 
+/** See llvm::createLowerAtomicPass function. */
+void LLVMAddLowerAtomicPass(LLVMPassManagerRef PM);
+
 /** See llvm::createMemCpyOptPass function. */
 void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM);
 
diff --git a/llvm/lib/Transforms/Scalar/Scalar.cpp b/llvm/lib/Transforms/Scalar/Scalar.cpp
index 526487d3477..c8feedfacbf 100644
--- a/llvm/lib/Transforms/Scalar/Scalar.cpp
+++ b/llvm/lib/Transforms/Scalar/Scalar.cpp
@@ -194,6 +194,10 @@ void LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createLoopUnswitchPass());
 }
 
+void LLVMAddLowerAtomicPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createLowerAtomicPass());
+}
+
 void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createMemCpyOptPass());
 }