[AutoScheduler] Querying and sampling in task extraction (apache#7571)

* [AutoScheduler] Query in task extraction

* trigger ci

python/tvm/auto_scheduler/relay_integration.py

@@ -283,10 +283,13 @@ def auto_schedule_topi(outs):
     key = register_workload_tensors(dag.workload_key(), io_tensors)
     target = tvm.target.Target.current()
 
+    dispatch_ctx = DispatchContext.current
+    state = dispatch_ctx.query(target, key, has_complex_op, dag)
+    schedule = None
+
     env = TracingEnvironment.current
     if env is None:
         # in the final build mode
-        state = DispatchContext.current.query(target, key, has_complex_op, dag)
         if state is None:
             return None
 
@@ -303,8 +306,6 @@ def auto_schedule_topi(outs):
             LayoutRewriteOption.get_target_default(target, True) != LayoutRewriteOption.NO_REWRITE
             and has_layout_free
         ):
-            dispatch_ctx = DispatchContext.current
-            state = dispatch_ctx.query(target, key, has_complex_op, dag)
             if state is None:
                 return None
 
@@ -316,7 +317,7 @@ def auto_schedule_topi(outs):
     else:
         raise ValueError("Invalid tracing mode: " + env.tracing_mode)
 
-    return None
+    return schedule
 
 
 def tensor_no_check_call(self, *indices):