[OCaml] Implement Llvm.string_of_llvalue

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194136 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 15 insertions, 0 deletions

diff --git a/bindings/ocaml/llvm/llvm.ml b/bindings/ocaml/llvm/llvm.ml
index 7096c169b4..780e305e2f 100644
--- a/bindings/ocaml/llvm/llvm.ml
+++ b/bindings/ocaml/llvm/llvm.ml
@@ -382,6 +382,7 @@ external type_of : llvalue -> lltype = "llvm_type_of"
 external value_name : llvalue -> string = "llvm_value_name"
 external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
 external dump_value : llvalue -> unit = "llvm_dump_value"
+external string_of_llvalue : llvalue -> string = "llvm_string_of_llvalue"
 external replace_all_uses_with : llvalue -> llvalue -> unit
                                = "llvm_replace_all_uses_with"
 
diff --git a/bindings/ocaml/llvm/llvm.mli b/bindings/ocaml/llvm/llvm.mli
index 8ad21f20c4..e965b7ee7e 100644
--- a/bindings/ocaml/llvm/llvm.mli
+++ b/bindings/ocaml/llvm/llvm.mli
@@ -654,6 +654,9 @@ val set_value_name : string -> llvalue -> unit
     error. See the method [llvm::Value::dump]. *)
 val dump_value : llvalue -> unit
 
+(** [string_of_llvalue v] returns a string describing the value [v]. *)
+val string_of_llvalue : llvalue -> string
+
 (** [replace_all_uses_with old new] replaces all uses of the value [old]
     with the value [new]. See the method [llvm::Value::replaceAllUsesWith]. *)
 val replace_all_uses_with : llvalue -> llvalue -> unit
diff --git a/bindings/ocaml/llvm/llvm_ocaml.c b/bindings/ocaml/llvm/llvm_ocaml.c
index ad4b36cc2b..6134bfa6d3 100644
--- a/bindings/ocaml/llvm/llvm_ocaml.c
+++ b/bindings/ocaml/llvm/llvm_ocaml.c
@@ -527,6 +527,17 @@ CAMLprim value llvm_dump_value(LLVMValueRef Val) {
   return Val_unit;
 }
 
+/* llvalue -> string */
+CAMLprim value llvm_string_of_llvalue(LLVMTypeRef M) {
+  char* TypeCStr;
+  TypeCStr = LLVMPrintValueToString(M);
+
+  value TypeStr = caml_copy_string(TypeCStr);
+  LLVMDisposeMessage(TypeCStr);
+
+  return TypeStr;
+}
+
 /* llvalue -> llvalue -> unit */
 CAMLprim value llvm_replace_all_uses_with(LLVMValueRef OldVal,
                                           LLVMValueRef NewVal) {