misc changes according to review feedbacks

src/cpp_generator.cpp

@@ -174,9 +174,6 @@ std::string cpp_generator::generate_point_op(const operation& op,
         else if(with_char(::isdigit)(key[0]))
         {
             auto i = std::stoul(key);
-            // For an optional argument where i >= args.size(), treat
-            // the optional argument as a straight zero. This will
-            // cacel out the optional bias, if it exists.
             if(i >= args.size())
                 MIGRAPHX_THROW("Invalid argument index: " + key);
             return args.at(i);

src/targets/gpu/fuse_mlir.cpp

@@ -92,7 +92,7 @@ namespace {
 
 MIGRAPHX_PRED_MATCHER(is_mlir_conv, instruction_ref ins)
 {
-    if(ins->name() != "convolution" && ins->name() != "quant_convolution")
+    if(ins->name() != "convolution" and ins->name() != "quant_convolution")
         return false;
     value v    = ins->get_operator().to_value();
     auto group = v.at("group").to<int>();