Add in-place tests

Author: reeselevine

tests/test-backend-ops.cpp

@@ -6071,6 +6071,10 @@ static std::vector<std::unique_ptr<test_case>> make_test_cases_eval() {
         //add_test_bin_bcast(type, {3, 3, 2560, 1280}, {2, 1, 1, 1});
     }
 
+    // single in-place tests, especially important for WebGPU backend since kernels for in-place vs. not are different
+    test_cases.emplace_back(new test_bin_bcast(ggml_add_inplace, GGML_TYPE_F32, {16, 5, 4, 3}, {1, 1, 1, 1}, 16));
+    test_cases.emplace_back(new test_bin_bcast(ggml_mul_inplace, GGML_TYPE_F32, {16, 5, 4, 3}, {1, 1, 1, 1}, 16));
+
     // fusion
     test_cases.emplace_back(new test_bin_bcast(ggml_add, GGML_TYPE_F32, {10, 5, 4, 3}, {2, 1, 1, 1}, 2));
     test_cases.emplace_back(new test_bin_bcast(ggml_add, GGML_TYPE_F32, {16, 5, 4, 3}, {1, 2, 1, 1}, 3));