diff --git a/src/Accelerators/NNPA/Conversion/ZHighToZLow/ZHighToZLow.cpp b/src/Accelerators/NNPA/Conversion/ZHighToZLow/ZHighToZLow.cpp
index 0850227bef..dfa25a75ac 100644
--- a/src/Accelerators/NNPA/Conversion/ZHighToZLow/ZHighToZLow.cpp
+++ b/src/Accelerators/NNPA/Conversion/ZHighToZLow/ZHighToZLow.cpp
@@ -696,8 +696,7 @@ struct ZHighToZLowStickifiedConstantOpLowering : public ConversionPattern {
         affine::normalizeMemRefType(mlir::cast<MemRefType>(zMemRefType.value));
     ArrayRef<int64_t> normalizedShape = normalizedType.getShape();
 
-    auto valueAttr = mlir::dyn_cast_or_null<mlir::DenseElementsAttr>(
-        zhighStickifiedConstOp.getValueAttr());
+    auto valueAttr = zhighStickifiedConstOp.getValueAttr();
 
     // Create a ZLowStickifiedConstantOp.
     // Set nullptr in the valueAttr when it is initialized with zero later.
diff --git a/test/mlir/accelerators/nnpa/conversion/zhigh-to-zlow/gru.mlir b/test/mlir/accelerators/nnpa/conversion/zhigh-to-zlow/gru.mlir
index b828da2b80..ad521188a0 100644
--- a/test/mlir/accelerators/nnpa/conversion/zhigh-to-zlow/gru.mlir
+++ b/test/mlir/accelerators/nnpa/conversion/zhigh-to-zlow/gru.mlir
@@ -220,8 +220,8 @@ func.func @gru_no_input_and_hidden_biases(%input : tensor<?x?x7xf16, #zhigh.layo
 // CHECK:           krnl.store [[VAR_1_]], [[RES_1_]]{{.}}[[VAR_c2_]]{{.}} : memref<5xi64>
 // CHECK:           krnl.store [[VAR_c7_i64_]], [[RES_1_]]{{.}}[[VAR_c3_]]{{.}} : memref<5xi64>
 // CHECK:           krnl.store [[VAR_c9_i64_]], [[RES_1_]]{{.}}[[VAR_c4_]]{{.}} : memref<5xi64>
-// CHECK-DAG:       [[VAR_2_:%.+]] = "krnl.global"() {alignment = 4096 : i64, name = "constant_stickify_0", shape = [1, 3, 1, 1, 32, 64], value = dense_resource<zhigh> : tensor<12288xi8>} : () -> memref<1x3x1x1x32x64xf16>
-// CHECK-DAG:       [[VAR_3_:%.+]] = "krnl.global"() {alignment = 4096 : i64, name = "constant_stickify_1", shape = [1, 3, 1, 1, 32, 64], value = dense_resource<zhigh_1> : tensor<12288xi8>} : () -> memref<1x3x1x1x32x64xf16>
+// CHECK-DAG:       [[VAR_2_:%.+]] = "zlow.stickifiedConstant"() {alignment = 4096 : i64, name = "constant_stickify_0", offset = 0 : i64, shape = [1, 3, 1, 1, 32, 64]} : () -> memref<1x3x1x1x32x64xf16>
+// CHECK-DAG:       [[VAR_3_:%.+]] = "zlow.stickifiedConstant"() {alignment = 4096 : i64, name = "constant_stickify_1", offset = 0 : i64, shape = [1, 3, 1, 1, 32, 64]} : () -> memref<1x3x1x1x32x64xf16>
 // CHECK-DAG:       [[VAR_dim_2_:%.+]] = memref.dim [[PARAM_0_]], [[VAR_c0_]] : memref<?x?x7xf16, [[MAP_0_]]>
 // CHECK-DAG:       [[VAR_dim_3_:%.+]] = memref.dim [[PARAM_0_]], [[VAR_c1_]] : memref<?x?x7xf16, [[MAP_0_]]>
 // CHECK-NOT: separator of consecutive DAGs
diff --git a/test/mlir/accelerators/nnpa/conversion/zhigh-to-zlow/lstm.mlir b/test/mlir/accelerators/nnpa/conversion/zhigh-to-zlow/lstm.mlir
index e63d5cee97..f117e94119 100644
--- a/test/mlir/accelerators/nnpa/conversion/zhigh-to-zlow/lstm.mlir
+++ b/test/mlir/accelerators/nnpa/conversion/zhigh-to-zlow/lstm.mlir
@@ -357,8 +357,8 @@ func.func @lstm_no_input_and_hidden_biases(%input : tensor<?x?x7xf16, #zhigh.lay
 // CHECK:           krnl.store [[VAR_1_]], [[RES_2_]]{{.}}[[VAR_c2_]]{{.}} : memref<5xi64>
 // CHECK:           krnl.store [[VAR_c7_i64_]], [[RES_2_]]{{.}}[[VAR_c3_]]{{.}} : memref<5xi64>
 // CHECK:           krnl.store [[VAR_c9_i64_]], [[RES_2_]]{{.}}[[VAR_c4_]]{{.}} : memref<5xi64>
-// CHECK-DAG:       [[VAR_2_:%.+]] = "krnl.global"() {alignment = 4096 : i64, name = "constant_stickify_0", shape = [1, 4, 1, 1, 32, 64], value = dense_resource<zhigh> : tensor<16384xi8>} : () -> memref<1x4x1x1x32x64xf16>
-// CHECK-DAG:       [[VAR_3_:%.+]] = "krnl.global"() {alignment = 4096 : i64, name = "constant_stickify_1", shape = [1, 4, 1, 1, 32, 64], value = dense_resource<zhigh_1> : tensor<16384xi8>} : () -> memref<1x4x1x1x32x64xf16>
+// CHECK-DAG:       [[VAR_2_:%.+]] = "zlow.stickifiedConstant"() {alignment = 4096 : i64, name = "constant_stickify_0", offset = 0 : i64, shape = [1, 4, 1, 1, 32, 64]} : () -> memref<1x4x1x1x32x64xf16>
+// CHECK-DAG:       [[VAR_3_:%.+]] = "zlow.stickifiedConstant"() {alignment = 4096 : i64, name = "constant_stickify_1", offset = 0 : i64, shape = [1, 4, 1, 1, 32, 64]} : () -> memref<1x4x1x1x32x64xf16>
 // CHECK-DAG:       [[VAR_dim_3_:%.+]] = memref.dim [[PARAM_0_]], [[VAR_c0_]] : memref<?x?x7xf16, [[MAP_0_]]>
 // CHECK-DAG:       [[VAR_dim_4_:%.+]] = memref.dim [[PARAM_0_]], [[VAR_c1_]] : memref<?x?x7xf16, [[MAP_0_]]>
 // CHECK-NOT: separator of consecutive DAGs
diff --git a/test/mlir/accelerators/nnpa/driver/ccfd.mlir b/test/mlir/accelerators/nnpa/driver/ccfd.mlir
index 3c66f67da7..38a77faaff 100644
--- a/test/mlir/accelerators/nnpa/driver/ccfd.mlir
+++ b/test/mlir/accelerators/nnpa/driver/ccfd.mlir
@@ -5,15 +5,13 @@
 // COM: It is the necessary condition to get the best performance.
 
 CHECK-LABEL: func.func @main_graph
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
+CHECK-DAG: zlow.stickifiedConstant
+CHECK-DAG: zlow.stickifiedConstant
 CHECK-DAG: memref.alloc
-CHECK-NEXT: zlow.stick
+CHECK-DAG: zlow.stickifiedConstant
 
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
+CHECK-DAG: zlow.stickifiedConstant
+CHECK-DAG: zlow.stickifiedConstant
 CHECK-DAG: memref.alloc
 CHECK-DAG: memref.alloc
 CHECK-DAG: krnl.global
@@ -24,12 +22,10 @@ CHECK-NEXT: zlow.lstm
 CHECK-NOT: zlow.stick
 CHECK-NOT: zlow.unstick
 
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
+CHECK-DAG: zlow.stickifiedConstant
+CHECK-DAG: zlow.stickifiedConstant
+CHECK-DAG: zlow.stickifiedConstant
+CHECK-DAG: zlow.stickifiedConstant
 CHECK-DAG: memref.alloc
 CHECK-DAG: memref.alloc
 CHECK-DAG: krnl.global
@@ -40,17 +36,17 @@ CHECK-NEXT: zlow.lstm
 CHECK-NOT: zlow.stick
 CHECK-NOT: zlow.unstick
 
-CHECK-DAG: krnl.global
+CHECK-DAG: zlow.stickifiedConstant
 CHECK-DAG: memref.alloc
 CHECK-DAG: krnl.global
-CHECK-DAG: krnl.global
+CHECK-DAG: zlow.stickifiedConstant
 CHECK-NEXT: zlow.matmul
 
 // No stick and unstick in between.
 CHECK-NOT: zlow.stick
 CHECK-NOT: zlow.unstick
 
-CHECK-DAG: krnl.global
+CHECK-DAG: zlow.stickifiedConstant
 CHECK-DAG: memref.alloc
 CHECK-DAG: krnl.global
 CHECK-NEXT: zlow.add