vpr: Fix variable shadow warnings
diff --git a/vpr/src/device/rr_graph_obj.cpp b/vpr/src/device/rr_graph_obj.cpp
index 7e31cd4..0cd9c49 100644
--- a/vpr/src/device/rr_graph_obj.cpp
+++ b/vpr/src/device/rr_graph_obj.cpp
@@ -371,17 +371,17 @@
  * Return a vector of the edge ids
  ***********************************************************************/
 std::vector<RREdgeId> RRGraph::find_edges(const RRNodeId& src_node, const RRNodeId& sink_node) const {
-    std::vector<RREdgeId> edges;
+    std::vector<RREdgeId> matching_edges;
 
     /* Iterate over the outgoing edges of the source node */
     for (auto edge : node_out_edges(src_node)) {
         if (edge_sink_node(edge) == sink_node) {
             /* Update edge list to return */
-            edges.push_back(edge);
+            matching_edges.push_back(edge);
         }
     }
 
-    return edges;
+    return matching_edges;
 }
 
 RRNodeId RRGraph::find_node(const short& x, const short& y, const t_rr_type& type, const int& ptc, const e_side& side) const {
diff --git a/vpr/src/place/place_delay_model.cpp b/vpr/src/place/place_delay_model.cpp
index 9756c45..a7bfc67 100644
--- a/vpr/src/place/place_delay_model.cpp
+++ b/vpr/src/place/place_delay_model.cpp
@@ -140,8 +140,8 @@
     return base_delay_model_.get();
 }
 
-void OverrideDelayModel::set_base_delay_model(std::unique_ptr<DeltaDelayModel> base_delay_model) {
-    base_delay_model_ = std::move(base_delay_model);
+void OverrideDelayModel::set_base_delay_model(std::unique_ptr<DeltaDelayModel> base_delay_model_obj) {
+    base_delay_model_ = std::move(base_delay_model_obj);
 }
 
 // When writing capnp targetted serialization, always allow compilation when
@@ -230,8 +230,8 @@
     // FromNdMatrix is a generic function for converting a vtr::NdMatrix to a
     // Matrix message.  It is the mirror function of ToNdMatrix described in
     // read above.
-    auto delays = model.getDelays();
-    FromNdMatrix<2, VprFloatEntry, float>(&delays, delays_, FromFloat);
+    auto delay_values = model.getDelays();
+    FromNdMatrix<2, VprFloatEntry, float>(&delay_values, delays_, FromFloat);
 
     // writeMessageToFile writes message to the specified file.
     writeMessageToFile(file, &builder);