[vpr][place] replace auto key word with variable type

Author: amin1377

libs/libarchfpga/src/physical_types.cpp

@@ -233,7 +233,7 @@ bool t_logical_block_type::is_empty() const {
 bool t_logical_block_type::is_io() const {
     // Iterate over all equivalent tiles and return true if any
     // of them are IO tiles
-    for (const auto& tile : equivalent_tiles) {
+    for (t_physical_tile_type_ptr tile : equivalent_tiles) {
         if (tile->is_io()) {
             return true;
         }
@@ -243,7 +243,7 @@ bool t_logical_block_type::is_io() const {
 
 const t_port* t_logical_block_type::get_port(std::string_view port_name) const {
     for (int i = 0; i < pb_type->num_ports; i++) {
-        auto port = pb_type->ports[i];
+        const t_port& port = pb_type->ports[i];
         if (port_name == port.name) {
             return &pb_type->ports[port.index];
         }

vpr/src/place/initial_placement.cpp

@@ -429,7 +429,7 @@ static bool find_centroid_neighbor(ClusterBlockId block_id,
 
     int delta_cx = search_range.xmax - search_range.xmin;
 
-    auto block_constrained = is_cluster_constrained(block_id);
+    bool block_constrained = is_cluster_constrained(block_id);
 
     if (block_constrained) {
         bool intersect = intersect_range_limit_with_floorplan_constraints(block_id,
@@ -1098,7 +1098,7 @@ bool try_place_macro_randomly(const t_pl_macro& pl_macro,
                                                     /*search_for_empty=*/false,
                                                     blk_loc_registry,
                                                     rng,
-                                                    true);
+                                                    /*is_range_fixed=*/true);
 
     if (!legal) {
         //No valid position found

vpr/src/place/move_utils.cpp

@@ -684,7 +684,7 @@ bool find_to_loc_uniform(t_logical_block_type_ptr type,
                                                                 rlim);
     int delta_cx = search_range.xmax - search_range.xmin;
 
-    auto block_constrained = is_cluster_constrained(b_from);
+    bool block_constrained = is_cluster_constrained(b_from);
 
     if (block_constrained) {
         bool intersect = intersect_range_limit_with_floorplan_constraints(b_from,
@@ -779,7 +779,7 @@ bool find_to_loc_median(t_logical_block_type_ptr blk_type,
                       to_layer_num,
                       to_layer_num);
 
-    auto block_constrained = is_cluster_constrained(b_from);
+    bool block_constrained = is_cluster_constrained(b_from);
 
     if (block_constrained) {
         bool intersect = intersect_range_limit_with_floorplan_constraints(b_from,
@@ -870,7 +870,7 @@ bool find_to_loc_centroid(t_logical_block_type_ptr blk_type,
     }
     delta_cx = search_range.xmax - search_range.xmin;
 
-    auto block_constrained = is_cluster_constrained(b_from);
+    bool block_constrained = is_cluster_constrained(b_from);
 
     if (block_constrained) {
         bool intersect = intersect_range_limit_with_floorplan_constraints(b_from,