[OCaml] Add OCaml API for LLVMIsCleanup

Summary: Expose test for whether or not a landingpad is a cleanup.

Reviewers: whitequark

Reviewed By: whitequark

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D52205

llvm-svn: 342438

llvm/bindings/ocaml/llvm/llvm.ml

@@ -1187,6 +1187,7 @@ external build_invoke : llvalue -> llvalue array -> llbasicblock ->
                       = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
 external build_landingpad : lltype -> llvalue -> int -> string -> llbuilder ->
                             llvalue = "llvm_build_landingpad"
+external is_cleanup : llvalue -> bool = "llvm_is_cleanup"
 external set_cleanup : llvalue -> bool -> unit = "llvm_set_cleanup"
 external add_clause : llvalue -> llvalue -> unit = "llvm_add_clause"
 external build_resume : llvalue -> llbuilder -> llvalue = "llvm_build_resume"

llvm/bindings/ocaml/llvm/llvm.mli

@@ -2093,6 +2093,10 @@ val build_invoke : llvalue -> llvalue array -> llbasicblock ->
 val build_landingpad : lltype -> llvalue -> int -> string -> llbuilder ->
                          llvalue
 
+(** [is_cleanup lp] returns [true] if [landingpad] instruction lp is a cleanup.
+    See the method [llvm::LandingPadInst::isCleanup]. *)
+val is_cleanup : llvalue -> bool
+
 (** [set_cleanup lp] sets the cleanup flag in the [landingpad]instruction.
     See the method [llvm::LandingPadInst::setCleanup]. *)
 val set_cleanup : llvalue -> bool -> unit

llvm/bindings/ocaml/llvm/llvm_ocaml.c

@@ -1914,6 +1914,11 @@ CAMLprim value llvm_add_clause(LLVMValueRef LandingPadInst, LLVMValueRef ClauseV
     return Val_unit;
 }
 
+/* llvalue -> bool */
+CAMLprim value llvm_is_cleanup(LLVMValueRef LandingPadInst)
+{
+    return Val_bool(LLVMIsCleanup(LandingPadInst));
+}
 
 /* llvalue -> bool -> unit */
 CAMLprim value llvm_set_cleanup(LLVMValueRef LandingPadInst, value flag)