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-rw-r--r--backends/aiger/xaiger.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc
index af52daa0c..78496b13c 100644
--- a/backends/aiger/xaiger.cc
+++ b/backends/aiger/xaiger.cc
@@ -876,7 +876,7 @@ struct XAigerWriter
RTLIL::Design *holes_design = new RTLIL::Design;
module->design->modules_.erase(holes_module->name);
holes_design->add(holes_module);
- Pass::call(holes_design, "clean -purge");
+ Pass::call(holes_design, "opt -purge");
std::stringstream a_buffer;
XAigerWriter writer(holes_module, true /* holes_mode */);