Add TODOs

Author: antoyo

src/builder.rs

@@ -781,6 +781,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
                 return self.context.new_call(self.location, fmod, &[a, b]);
             }
             TypeKind::FP128 => {
+                // TODO(antoyo): use get_simple_function_f128_2args.
                 let f128_type = self.type_f128();
                 let fmodf128 = self.context.new_function(
                     None,

src/intrinsic/mod.rs

@@ -266,6 +266,8 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc
         let fn_args = instance.args;
 
         let simple = get_simple_intrinsic(self, name);
+        // TODO(antoyo): Only call get_simple_function_f128 and get_simple_function_f128_2args when
+        // it is the symbols for the supported f128 builtins.
         let simple_func = get_simple_function(self, name)
             .or_else(|| get_simple_function_f128(self, name))
             .or_else(|| get_simple_function_f128_2args(self, name));