Use const reference parameters in LinearLayout operators == and != (#6828)

Signed-off-by: Anatoly Myachev <[email protected]>

Author: anmyachev

include/triton/Tools/LinearLayout.h

@@ -747,8 +747,8 @@ class LinearLayout {
 
   std::string toString() const;
 
-  friend bool operator==(LinearLayout lhs, LinearLayout rhs);
-  friend bool operator!=(LinearLayout lhs, LinearLayout rhs) {
+  friend bool operator==(const LinearLayout &lhs, const LinearLayout &rhs);
+  friend bool operator!=(const LinearLayout &lhs, const LinearLayout &rhs) {
     return !(lhs == rhs);
   }
   bool equalIgnoringOutDimSizes(const LinearLayout &other) const;

lib/Tools/LinearLayout.cpp

@@ -1130,7 +1130,7 @@ size_t hash_value(const LinearLayout &layout) {
   return seed;
 }
 
-bool operator==(LinearLayout lhs, LinearLayout rhs) {
+bool operator==(const LinearLayout &lhs, const LinearLayout &rhs) {
   if (!lhs.equalIgnoringOutDimSizes(rhs))
     return false;