cxxrtl: print names of cells inlined in connections.

diff --git a/backends/cxxrtl/cxxrtl_backend.cc b/backends/cxxrtl/cxxrtl_backend.cc
index 7bf44626aa998e367ca2c00b756900df939108c0..9875aba60a34255f48db71ac8c29696d6cba4c29 100644 (file)
--- a/backends/cxxrtl/cxxrtl_backend.cc
+++ b/backends/cxxrtl/cxxrtl_backend.cc
@@ -911,7 +911,16 @@ struct CxxrtlWorker {
                if (for_debug && !is_connect_outlined(conn))
                        return;
 
-               f << indent << "// connection\n";
+               std::vector<RTLIL::IdString> inlined_cells;
+               collect_sigspec_rhs(conn.second, inlined_cells);
+               if (for_debug || inlined_cells.empty()) {
+                       f << indent << "// connection\n";
+               } else {
+                       f << indent << "// cells";
+                       for (auto inlined_cell : inlined_cells)
+                               f << " " << inlined_cell.str();
+                       f << "\n";
+               }
                f << indent;
                dump_sigspec_lhs(conn.first, for_debug);
                f << " = ";