Merge pull request #2695 from Pinata-Consulting/mpl2-warning-fix

ravi-varadarajan · web-flow · commit 5247317b184d · 2023-01-03T11:21:25.000-08:00
mpl2: fix unnecessary copy warning
diff --git a/src/mpl2/src/hier_rtlmp.cpp b/src/mpl2/src/hier_rtlmp.cpp
@@ -2863,7 +2863,7 @@ void HierRTLMP::multiLevelMacroPlacement(Cluster* parent)
     }
   }
   // add the virtual connections
-  for (const auto [cluster1, cluster2] : parent->getVirtualConnections()) {
+  for (const auto& [cluster1, cluster2] : parent->getVirtualConnections()) {
     BundledNet net(soft_macro_id_map[cluster_map_[cluster1]->getName()],
                    soft_macro_id_map[cluster_map_[cluster2]->getName()],
                    virtual_weight_);

Original file line number	Diff line number	Diff line change
`@@ -2863,7 +2863,7 @@ void HierRTLMP::multiLevelMacroPlacement(Cluster* parent)`
`2863`	`2863`	`}`
`2864`	`2864`	`}`
`2865`	`2865`	`// add the virtual connections`
`2866`		`- for (const auto [cluster1, cluster2] : parent->getVirtualConnections()) {`
	`2866`	`+ for (const auto& [cluster1, cluster2] : parent->getVirtualConnections()) {`
`2867`	`2867`	`BundledNet net(soft_macro_id_map[cluster_map_[cluster1]->getName()],`
`2868`	`2868`	`soft_macro_id_map[cluster_map_[cluster2]->getName()],`
`2869`	`2869`	`virtual_weight_);`