[vala/staging] codegen: No temp-var for methods without ref/out params returning "SimpleType"

[Rico Tzschichholz <ricotz src gnome org>]

commit 8eb67e17451a6914aafd3eace97a23bc95e9045b
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Mar 9 16:52:37 2017 +0100

    codegen: No temp-var for methods without ref/out params returning "SimpleType"

 codegen/valaccodemethodcallmodule.vala |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valaccodemethodcallmodule.vala b/codegen/valaccodemethodcallmodule.vala
index 6202f31..ab4594e 100644
--- a/codegen/valaccodemethodcallmodule.vala
+++ b/codegen/valaccodemethodcallmodule.vala
@@ -801,6 +801,8 @@ public class Vala.CCodeMethodCallModule : CCodeAssignmentModule {
 
                        if (m != null && m.get_format_arg_index () >= 0) {
                                set_cvalue (expr, ccall_expr);
+                       } else if (!return_result_via_out_param && !has_ref_out_param (m) && result_type is 
ValueType && !result_type.nullable) {
+                               set_cvalue (expr, ccall_expr);
                        } else if (!return_result_via_out_param) {
                                var temp_var = get_temp_variable (result_type, result_type.value_owned, null, 
false);
                                var temp_ref = get_variable_cexpression (temp_var.name);
@@ -892,5 +894,17 @@ public class Vala.CCodeMethodCallModule : CCodeAssignmentModule {
 
                return to_string_func;
        }
+
+       bool has_ref_out_param (Method? m) {
+               if (m == null) {
+                       return false;
+               }
+               foreach (var param in m.get_parameters ()) {
+                       if (param.direction != ParameterDirection.IN) {
+                               return true;
+                       }
+               }
+               return false;
+       }
 }