sta_internal_bidirect_instance_paths_enabled use load->driver edges

Signed-off-by: James Cherry <[email protected]>

include/sta/Graph.hh

@@ -364,6 +364,9 @@ public:
   void setIsBidirectInstPath(bool is_bidir);
   bool isBidirectNetPath() const { return is_bidirect_net_path_; }
   void setIsBidirectNetPath(bool is_bidir);
+  bool isBidirectPortPath() const { return is_bidirect_port_path_; }
+  void setIsBidirectPortPath(bool is_bidir);
+
   void removeDelayAnnotated();
   [[nodiscard]] bool hasSimSense() const { return has_sim_sense_; }
   void setHasSimSense(bool has_sense);
@@ -403,6 +406,8 @@ protected:
   bool delay_annotation_is_incremental_:1;
   bool is_bidirect_inst_path_:1;
   bool is_bidirect_net_path_:1;
+  // Bidirect load -> driver edge.
+  bool is_bidirect_port_path_:1;
   bool is_disabled_loop_:1;
   bool has_sim_sense_:1;
   bool has_disabled_cond_:1;

include/sta/Sta.hh

@@ -567,8 +567,6 @@ public:
                                           const Sdc *sdc);
   // Edge is disabled to break combinational loops.
   [[nodiscard]] bool isDisabledLoop(Edge *edge) const;
-  // Edge is disabled internal bidirect output path.
-  [[nodiscard]] bool isDisabledBidirectInstPath(Edge *edge) const;
   // Edge is disabled bidirect net path.
   [[nodiscard]] bool isDisabledBidirectNetPath(Edge *edge) const;
   [[nodiscard]] bool isDisabledPresetClr(Edge *edge) const;

include/sta/StaState.hh

@@ -106,6 +106,8 @@ public:
   const Variables *variables() const { return variables_; }
   // Edge is default cond disabled by timing_disable_cond_default_arcs var.
   [[nodiscard]] bool isDisabledCondDefault(const Edge *edge) const;
+  // Edge is disabled internal bidirect output path.
+  [[nodiscard]] bool isDisabledBidirectInstPath(Edge *edge) const;
 
   const SceneSeq &scenes() { return scenes_; }
   const SceneSeq &scenes() const { return scenes_; }