1 files changed, 7 insertions, 0 deletions
diff --git a/common/nextpnr.h b/common/nextpnr.h
index 2d614058..6e4b87bd 100644
--- a/common/nextpnr.h
+++ b/common/nextpnr.h
@@ -23,6 +23,7 @@
 #include <unordered_map>
 #include <unordered_set>
 #include <vector>
+#include <algorithm>
 
 #ifndef NEXTPNR_H
 #define NEXTPNR_H
@@ -328,6 +329,12 @@ struct Context : Arch
                 std::swap(a[i], a[j]);
         }
     }
+
+    template <typename T> void sorted_shuffle(std::vector<T> &a)
+    {
+        std::sort(a.begin(), a.end());
+        shuffle(a);
+    }
 };
 
 NEXTPNR_NAMESPACE_END