Sentinel: sentinelRefreshInstanceInfo() minor refactoring.

Test sentinel.tilt condition on top and return if it is true.
This allows to remove the check for the tilt condition in the remaining
code paths of the function.

src/sentinel.c

@@ -1882,6 +1882,10 @@ void sentinelRefreshInstanceInfo(sentinelRedisInstance *ri, const char *info) {
             ri->flags & SRI_MASTER ? "master" : "slave");
     }
 
+    /* None of the following conditions are processed when in tilt mode, so
+     * return asap. */
+    if (sentinel.tilt) return;
+
     /* Handle master -> slave role switch. */
     if ((ri->flags & SRI_MASTER) && role == SRI_SLAVE) {
         /* Nothing to do, but masters claiming to be slaves are
@@ -1893,8 +1897,7 @@ void sentinelRefreshInstanceInfo(sentinelRedisInstance *ri, const char *info) {
     if ((ri->flags & SRI_SLAVE) && role == SRI_MASTER) {
         /* If this is a promoted slave we can change state to the
          * failover state machine. */
-        if (!sentinel.tilt &&
-            (ri->master->flags & SRI_FAILOVER_IN_PROGRESS) &&
+        if ((ri->master->flags & SRI_FAILOVER_IN_PROGRESS) &&
             (ri->master->failover_state ==
                 SENTINEL_FAILOVER_STATE_WAIT_PROMOTION))
         {
@@ -1912,7 +1915,7 @@ void sentinelRefreshInstanceInfo(sentinelRedisInstance *ri, const char *info) {
                 ri->master,"%@");
             sentinelCallClientReconfScript(ri->master,SENTINEL_LEADER,
                 "start",ri->master->addr,ri->addr);
-        } else if (!sentinel.tilt) {
+        } else {
             /* A slave turned into a master. We want to force our view and
              * reconfigure as slave. Wait some time after the change before
              * going forward, to receive new configs if any. */
@@ -1932,7 +1935,7 @@ void sentinelRefreshInstanceInfo(sentinelRedisInstance *ri, const char *info) {
     }
 
     /* Handle slaves replicating to a different master address. */
-    if ((ri->flags & SRI_SLAVE) && !sentinel.tilt &&
+    if ((ri->flags & SRI_SLAVE) &&
         role == SRI_SLAVE &&
         (ri->slave_master_port != ri->master->addr->port ||
          strcasecmp(ri->slave_master_host,ri->master->addr->ip)))
@@ -1953,10 +1956,6 @@ void sentinelRefreshInstanceInfo(sentinelRedisInstance *ri, const char *info) {
         }
     }
 
-    /* None of the following conditions are processed when in tilt mode, so
-     * return asap. */
-    if (sentinel.tilt) return;
-
     /* Detect if the slave that is in the process of being reconfigured
      * changed state. */
     if ((ri->flags & SRI_SLAVE) && role == SRI_SLAVE &&