faster_helpers.diff

diff --git a/lib/Mojolicious/Controller.pm b/lib/Mojolicious/Controller.pm
index 198e99d..30430b2 100644
--- a/lib/Mojolicious/Controller.pm
+++ b/lib/Mojolicious/Controller.pm
@@ -93,6 +93,10 @@ sub flash {
   return $self;
 }
 
+sub helpers {
+  ($_[0]->{helpers} ||= $_[0]->app->renderer->get_helper(''))->($_[0]);
+}
+
 sub on {
   my ($self, $name, $cb) = @_;
   my $tx = $self->tx;
diff --git a/lib/Mojolicious/Renderer.pm b/lib/Mojolicious/Renderer.pm
index 6014a68..45b34da 100644
--- a/lib/Mojolicious/Renderer.pm
+++ b/lib/Mojolicious/Renderer.pm
@@ -76,8 +76,9 @@ sub get_helper {
 
   my $found;
   my $class = 'Mojolicious::Renderer::Helpers::' . md5_sum "$name:$self";
+  my $re = $name eq '' ? qr/^(([^.]+))/ : qr/^(\Q$name\E\.([^.]+))/;
   for my $key (keys %{$self->helpers}) {
-    $key =~ /^(\Q$name\E\.([^.]+))/ ? ($found, my $method) = (1, $2) : next;
+    $key =~ $re ? ($found, my $method) = (1, $2) : next;
     my $sub = $self->get_helper($1);
     monkey_patch $class, $method => sub { ${shift()}->$sub(@_) };
   }