[luci/pass] Revise FuseInstanceNormPass V6

This will revise FuseInstanceNormPass version_6 to have const_as_beta as zero values.

ONE-DCO-1.0-Signed-off-by: SaeHie Park <[email protected]>

compiler/luci/pass/src/FuseInstanceNormPass.cpp

@@ -362,7 +362,7 @@ namespace
  *     V          V     V                               |
  * mul_as_scaled_ifm   mul_as_scaled_mean <-------------+
  *         |                   |
- *         |   const_as_beta   |
+ *         |     const_zero    |
  *         |         |         V
  *         |         +------> sub
  *         V                   |
@@ -721,16 +721,6 @@ template <> bool InstanceNormPattern::match<InstanceNormPattern::PatternVersion:
   CHECK_OR_FALSE(is_instance_mean_v2(mean_of_ifm));
   CHECK_OR_FALSE(ifm == mean_of_ifm->input());
 
-  // If const_as_beta has shape of '1 x chennel x (1 or input last dimension)'
-  uint32_t input_channel = ifm_circle->dim(1).value();
-  uint32_t input_last_dim = ifm_circle->dim(2).value();
-  const_as_beta = dynamic_cast<luci::CircleConst *>(sub->x());
-  CHECK_OR_FALSE(const_as_beta);
-  CHECK_OR_FALSE(const_as_beta->rank() == 3);
-  CHECK_OR_FALSE(
-    const_as_beta->dim(0).value() == 1 && const_as_beta->dim(1).value() == input_channel &&
-    (const_as_beta->dim(2).value() == 1 || const_as_beta->dim(2).value() == input_last_dim));
-
   luci::CircleRsqrt *rsqrt_should_be = nullptr;
   luci::CircleMean *mean_of_ifm_should_be = nullptr;
 
@@ -741,11 +731,12 @@ template <> bool InstanceNormPattern::match<InstanceNormPattern::PatternVersion:
   CHECK_OR_FALSE(rsqrt == rsqrt_should_be);
   CHECK_OR_FALSE(mean_of_ifm == mean_of_ifm_should_be);
 
-  // mul_gamma is absent
-  // const_as_gamma assume to be 1.0
+  // create 1.0 gamma and 0.0 beta
   auto graph = add_as_terminal->graph();
   const_as_gamma = make_const_one(graph, 1.0f);
   const_as_gamma->name(add_as_terminal->name() + "/gamma");
+  const_as_beta = make_const_one(graph, 0.0f);
+  const_as_beta->name(add_as_terminal->name() + "/beta");
 
   _matched = true;
   return true;