[ARM]remove unnecessary code for expand_as op,test=develop

lite/kernels/host/expand_as_compute.cc

@@ -39,17 +39,17 @@ void ExpandAsCompute<T, PType>::Run() {
   DDim in_shape = x->dims();
 
   int inner_num = 1;
-  int i = dims - 1;
-  int outer_num = in_shape.count(0, i);
-  inner_num *= in_shape[i];
+  int pos = dims - 1;
+  int outer_num = in_shape.count(0, pos);
+  inner_num *= in_shape[pos];
   for (int j = 0; j < outer_num; ++j) {
-    for (int k = 0; k < expand_times[i]; ++k) {
-      memcpy(dst + (j * expand_times[i] + k) * inner_num,
+    for (int k = 0; k < expand_times[pos]; ++k) {
+      memcpy(dst + (j * expand_times[pos] + k) * inner_num,
              src + j * inner_num,
              sizeof(T) * inner_num);
     }
   }
-  inner_num *= expand_times[i];
+  inner_num *= expand_times[pos];
   for (int i = dims - 2; i >= 0; --i) {
     int outer_num = in_shape.count(0, i);
     inner_num *= in_shape[i];

lite/tests/kernels/expand_as_compute_test.cc

@@ -25,7 +25,6 @@ class ExpandAsComputeTester : public arena::TestCase {
   // common attributes for this op.
   std::string x_ = "X";
   std::string out_ = "Out";
-  // std::vector<int> expand_times_;
   std::string target_ = "Target";
   DDim dims_;
   DDim target_dims_;
@@ -98,9 +97,6 @@ class ExpandAsComputeTester : public arena::TestCase {
 };
 
 void test_expand_as_3dim(Place place, float abs_error) {
-  // for (std::vector<int> expand_times : {std::vector<int>({2, 3, 1}),
-  //                                      std::vector<int>({2, 2, 2}),
-  //                                      std::vector<int>({3, 1, 2})}) {
   for (int C : {3}) {
     for (int H : {2}) {
       for (int W : {4}) {
@@ -111,13 +107,9 @@ void test_expand_as_3dim(Place place, float abs_error) {
       }
     }
   }
-  //}
 }
 
 void test_expand_as_4dim(Place place, float abs_error) {
-  // for (std::vector<int> expand_times : {std::vector<int>({2, 3, 1, 4}),
-  //                                      std::vector<int>({2, 2, 2, 2}),
-  //                                      std::vector<int>({3, 1, 2, 1})}) {
   for (int N : {2}) {
     for (int C : {3}) {
       for (int H : {2}) {
@@ -133,7 +125,6 @@ void test_expand_as_4dim(Place place, float abs_error) {
       }
     }
   }
-  //}
 }
 
 TEST(ExpandAs, precision) {