+/*--... Operations on instructions .........................................--*/
+
+/* llvalue -> bool */
+CAMLprim value llvm_has_metadata(LLVMValueRef Val) {
+ return Val_bool(LLVMHasMetadata(Val));
+}
+
+/* llvalue -> int -> llvalue option */
+CAMLprim value llvm_metadata(LLVMValueRef Val, value MDKindID) {
+ CAMLparam1(MDKindID);
+ LLVMValueRef MD;
+ if ((MD = LLVMGetMetadata(Val, Int_val(MDKindID)))) {
+ value Option = alloc(1, 0);
+ Field(Option, 0) = (value) MD;
+ CAMLreturn(Option);
+ }
+ CAMLreturn(Val_int(0));
+}
+
+/* llvalue -> int -> llvalue -> unit */
+CAMLprim value llvm_set_metadata(LLVMValueRef Val, value MDKindID,
+ LLVMValueRef MD) {
+ LLVMSetMetadata(Val, Int_val(MDKindID), MD);
+ return Val_unit;
+}
+
+/* llvalue -> int -> unit */
+CAMLprim value llvm_clear_metadata(LLVMValueRef Val, value MDKindID) {
+ LLVMSetMetadata(Val, Int_val(MDKindID), NULL);
+ return Val_unit;
+}
+
+
+/*--... Operations on metadata .............................................--*/
+
+/* llcontext -> string -> llvalue */
+CAMLprim LLVMValueRef llvm_mdstring(LLVMContextRef C, value S) {
+ return LLVMMDStringInContext(C, String_val(S), caml_string_length(S));
+}
+
+/* llcontext -> llvalue array -> llvalue */
+CAMLprim LLVMValueRef llvm_mdnode(LLVMContextRef C, value ElementVals) {
+ return LLVMMDNodeInContext(C, (LLVMValueRef*) Op_val(ElementVals),
+ Wosize_val(ElementVals));
+}
+