[QNN EP] Reshape: relax check on allowzero when concrete shape without 0

onnxruntime/core/providers/qnn/builder/opbuilder/reshape_op_builder.cc

@@ -37,8 +37,33 @@ Status ReshapeOpBuilder::ProcessInputs(QnnModelWrapper& qnn_model_wrapper,
   if (do_op_validation) {
     NodeAttrHelper node_helper(node_unit);
     auto allowzero = node_helper.Get("allowzero", static_cast<int64_t>(0));
+
+    // Only reject allowzero=1 if the shape input is not constant or it actually contains zeros
     if (0 != allowzero) {
-      return ORT_MAKE_STATUS(ONNXRUNTIME, FAIL, "QNN Reshape doesn't support dynamic shape!");
+      const auto& inputs = node_unit.Inputs();
+      const auto& initializer_tensors = qnn_model_wrapper.GetInitializerTensors();
+      auto shape_tensor_iter = initializer_tensors.find(inputs[1].node_arg.Name());
+
+      if (shape_tensor_iter == initializer_tensors.end()) {
+        return ORT_MAKE_STATUS(ONNXRUNTIME, FAIL,
+                               "QNN Reshape requires a constant shape input");
+      }
+
+      // Check if the constant shape contains any zeros
+      const auto* shape_tensor = shape_tensor_iter->second;
+      std::vector<uint8_t> unpacked_tensor;
+      ORT_RETURN_IF_ERROR(qnn_model_wrapper.UnpackInitializerData(*shape_tensor, unpacked_tensor));
+
+      const int64_t* shape_data = reinterpret_cast<const int64_t*>(unpacked_tensor.data());
+      size_t shape_size = unpacked_tensor.size() / sizeof(int64_t);
+
+      for (size_t i = 0; i < shape_size; ++i) {
+        if (shape_data[i] == 0) {
+          return ORT_MAKE_STATUS(ONNXRUNTIME, FAIL,
+                                 "QNN Reshape does not support shapes with zero dimensions. "
+                                 "The 'allowzero' attribute is not supported by QNN.");
+        }
+      }
     }
   }
 

onnxruntime/test/providers/qnn/reshape_expand_op_test.cc

@@ -50,16 +50,6 @@ TEST_F(QnnCPUBackendTests, Reshape_DynamicShape_Unsupported) {
                        19);                             // Opset
 }
 
-// Test that Reshape with an enabled 'allowzero' attribute is not supported by QNN EP.
-TEST_F(QnnCPUBackendTests, Reshape_AllowZeroAttr_Unsupported) {
-  RunReshapeExpandTest("Reshape", TestInputDef<float>({1, 3, 4, 4}, false, -10.0f, 10.0f),
-                       TestInputDef<int64_t>({2}, true, {1, 48}),
-                       {utils::MakeAttribute("allowzero", static_cast<int64_t>(1))},
-                       ExpectedEPNodeAssignment::None,  // Should not be assigned to QNN EP.
-                       "cpu",                           // Backend
-                       19);                             // Opset
-}
-
 // Test Reshape of rank 4 -> rank 2.
 TEST_F(QnnCPUBackendTests, Reshape_4D_f32) {
   RunReshapeExpandTest("Reshape", TestInputDef<float>({1, 3, 4, 4}, false, GetFloatDataInRange(-10.0f, 10.0f, 48)),
@@ -271,14 +261,24 @@ TEST_F(QnnHTPBackendTests, Reshape_DynamicShape_Unsupported) {
                                         19);                             // Opset
 }
 
-// Test that QDQ Reshape with an enabled 'allowzero' attribute is not supported by QNN EP.
-TEST_F(QnnHTPBackendTests, Reshape_AllowZeroAttr_Unsupported) {
+// Test that QDQ Reshape with allowzero=1 and a shape containing zeros is not supported by QNN EP.
+TEST_F(QnnHTPBackendTests, Reshape_AllowZeroAttr_WithZeros_Unsupported) {
+  RunReshapeExpandTestOnHTP<float>("Reshape",
+                                   TestInputDef<float>({2, 0, 3}, false, {}),
+                                   TestInputDef<int64_t>({2}, true, {6, 0}),
+                                   {utils::MakeAttribute("allowzero", static_cast<int64_t>(1))},
+                                   ExpectedEPNodeAssignment::None,
+                                   19);
+}
+
+// Test that QDQ Reshape with allowzero=1 but no zeros in shape IS supported by QNN EP.
+TEST_F(QnnHTPBackendTests, Reshape_AllowZeroAttr_NoZeros_Supported) {
   RunQDQReshapeExpandTestOnHTP<uint8_t>("Reshape",
-                                        TestInputDef<float>({1, 3, 4, 4}, false, -10.0f, 10.0f),
-                                        TestInputDef<int64_t>({2}, true, {1, 48}),
+                                        TestInputDef<float>({1, 3, 4, 4}, false, GetFloatDataInRange(-10.0f, 10.0f, 48)),
+                                        TestInputDef<int64_t>({2}, true, {1, 48}),  // concrete shape with no zeros
                                         {utils::MakeAttribute("allowzero", static_cast<int64_t>(1))},
-                                        ExpectedEPNodeAssignment::None,  // Should not be assigned to QNN EP.
-                                        19);                             // Opset
+                                        ExpectedEPNodeAssignment::All,
+                                        19);
 }
 
 // Test 8-bit QDQ Reshape of rank 4 -> rank 2.