[vpr][route][crr] add crr_id to Connection

Author: amin1377

vpr/src/route/rr_graph_generation/tileable_rr_graph/crr_generator/crr_common.h

@@ -149,28 +149,31 @@ struct Sizing {
  * It is used to store the connection information and to compare connections.
  */
 class Connection {
-  public:
-    Connection(RRNodeId sink_node, RRNodeId src_node, int delay_ps) noexcept
-        : sink_node_(sink_node)
-        , src_node_(src_node)
-        , delay_ps_(delay_ps) {}
-
-    RRNodeId sink_node() const { return sink_node_; }
-    RRNodeId src_node() const { return src_node_; }
-    int delay_ps() const { return delay_ps_; }
-
-    bool operator<(const Connection& other) const {
-        return std::tie(sink_node_, src_node_, delay_ps_) < std::tie(other.sink_node_, other.src_node_, other.delay_ps_);
-    }
+    public:
+        Connection(RRNodeId sink_node, RRNodeId src_node, int delay_ps, std::string crr_id) noexcept
+            : sink_node_(sink_node)
+            , src_node_(src_node)
+            , delay_ps_(delay_ps)
+            , crr_id_(crr_id_) {}
+
+        RRNodeId sink_node() const { return sink_node_; }
+        RRNodeId src_node() const { return src_node_; }
+        int delay_ps() const { return delay_ps_; }
+        std::string crr_id() const { return crr_id_; }
+
+        bool operator<(const Connection& other) const {
+            return std::tie(sink_node_, src_node_, delay_ps_) < std::tie(other.sink_node_, other.src_node_, other.delay_ps_);
+        }
 
-    bool operator==(const Connection& other) const {
-        return sink_node_ == other.sink_node_ && src_node_ == other.src_node_ && delay_ps_ == other.delay_ps_;
-    }
+        bool operator==(const Connection& other) const {
+            return sink_node_ == other.sink_node_ && src_node_ == other.src_node_ && delay_ps_ == other.delay_ps_;
+        }
 
-  private:
-    RRNodeId sink_node_;
-    RRNodeId src_node_;
-    int delay_ps_;
+    private:
+        RRNodeId sink_node_;
+        RRNodeId src_node_;
+        int delay_ps_;
+        std::string crr_id_;
 };
 
 // Node hash type for lookups