From 291530c59f639609bc7534e561f28c9fb4081e19 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Fri, 10 Jan 2020 15:04:13 -0800
Subject: [PATCH] abc9: add abc9.verify and abc9.debug options

---
 passes/techmap/abc9.cc | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 22f5a1f3a..3ce435dd0 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -308,7 +308,14 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *module, std::string scrip
 		for (size_t pos = abc9_script.find("&mfs"); pos != std::string::npos; pos = abc9_script.find("&mfs", pos))
 			abc9_script = abc9_script.erase(pos, strlen("&mfs"));
 
-	abc9_script += stringf("; &ps -l; &write -n %s/output.aig; time", tempdir_name.c_str());
+	abc9_script += stringf("; &ps -l; &write -n %s/output.aig;", tempdir_name.c_str());
+	if (design->scratchpad_get_bool("abc9.debug")) {
+		if (dff_mode)
+			abc9_script += "verify -s;";
+		else
+			abc9_script += "verify;";
+	}
+	abc9_script += "time";
 	abc9_script = add_echos_to_abc9_cmd(abc9_script);
 
 	for (size_t i = 0; i+1 < abc9_script.size(); i++)
@@ -910,6 +917,11 @@ struct Abc9Pass : public Pass {
 		}
 		nomfs = design->scratchpad_get_bool("abc9.nomfs", nomfs);
 
+		if (design->scratchpad_get_bool("abc9.debug")) {
+			cleanup = false;
+			show_tempdir = true;
+		}
+
 		size_t argidx;
 		char pwd [PATH_MAX];
 		if (!getcwd(pwd, sizeof(pwd))) {