From 4755e14e7b9ba57ea21bec4c0d0b3ac6080307e4 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Sat, 26 Jul 2014 00:38:44 +0200
Subject: Added copy-constructor-like module->addCell(name, other) method

---
 kernel/rtlil.cc            | 19 +++++++++++--------
 kernel/rtlil.h             |  1 +
 passes/hierarchy/submod.cc |  5 +----
 passes/techmap/techmap.cc  | 12 ++++--------
 4 files changed, 17 insertions(+), 20 deletions(-)

diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 17e4a273..1a6e386f 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -782,14 +782,8 @@ void RTLIL::Module::cloneInto(RTLIL::Module *new_mod) const
 	for (auto &it : memories)
 		new_mod->memories[it.first] = new RTLIL::Memory(*it.second);
 
-	for (auto &it : cells) {
-		new_mod->cells[it.first] = new RTLIL::Cell;
-		new_mod->cells[it.first]->name = it.second->name;
-		new_mod->cells[it.first]->type = it.second->type;
-		new_mod->cells[it.first]->connections = it.second->connections;
-		new_mod->cells[it.first]->parameters = it.second->parameters;
-		new_mod->cells[it.first]->attributes = it.second->attributes;
-	}
+	for (auto &it : cells)
+		new_mod->addCell(it.first, it.second);
 
 	for (auto &it : processes)
 		new_mod->processes[it.first] = it.second->clone();
@@ -912,6 +906,15 @@ RTLIL::Cell *RTLIL::Module::addCell(RTLIL::IdString name, RTLIL::IdString type)
 	return cell;
 }
 
+RTLIL::Cell *RTLIL::Module::addCell(RTLIL::IdString name, const RTLIL::Cell *other)
+{
+	RTLIL::Cell *cell = addCell(name, other->type);
+	cell->connections = other->connections;
+	cell->parameters = other->parameters;
+	cell->attributes = other->attributes;
+	return cell;
+}
+
 #define DEF_METHOD(_func, _y_size, _type) \
 	RTLIL::Cell* RTLIL::Module::add ## _func(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_y, bool is_signed) { \
 		RTLIL::Cell *cell = new RTLIL::Cell;                \
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index e1e4a54b..fbd6e719 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -302,6 +302,7 @@ struct RTLIL::Module
 
 	RTLIL::Wire *addWire(RTLIL::IdString name, int width = 1);
 	RTLIL::Cell *addCell(RTLIL::IdString name, RTLIL::IdString type);
+	RTLIL::Cell *addCell(RTLIL::IdString name, const RTLIL::Cell *other);
 
 	// The add* methods create a cell and return the created cell. All signals must exist in advance.
 
diff --git a/passes/hierarchy/submod.cc b/passes/hierarchy/submod.cc
index 204f899a..be580ca0 100644
--- a/passes/hierarchy/submod.cc
+++ b/passes/hierarchy/submod.cc
@@ -162,10 +162,7 @@ struct SubmodWorker
 		}
 
 		for (RTLIL::Cell *cell : submod.cells) {
-			RTLIL::Cell *new_cell = new_mod->addCell(cell->name, cell->type);
-			new_cell->connections = cell->connections;
-			new_cell->parameters = cell->parameters;
-			new_cell->attributes = cell->attributes;
+			RTLIL::Cell *new_cell = new_mod->addCell(cell->name, cell);
 			for (auto &conn : new_cell->connections)
 				for (auto &bit : conn.second)
 					if (bit.wire != NULL) {
diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc
index e8385844..94cb1e8d 100644
--- a/passes/techmap/techmap.cc
+++ b/passes/techmap/techmap.cc
@@ -183,22 +183,18 @@ struct TechmapWorker
 		for (auto &it : tpl->cells)
 		{
 			RTLIL::IdString c_name = it.second->name;
-			RTLIL::IdString c_type = it.second->type;
-
-			if (!flatten_mode && c_type.substr(0, 2) == "\\$")
-				c_type = c_type.substr(1);
 
 			if (!flatten_mode && c_name == "\\_TECHMAP_REPLACE_")
 				c_name = orig_cell_name;
 			else
 				apply_prefix(cell->name, c_name);
 
-			RTLIL::Cell *c = module->addCell(c_name, c_type);
-			c->connections = it.second->connections;
-			c->parameters = it.second->parameters;
-			c->attributes = it.second->attributes;
+			RTLIL::Cell *c = module->addCell(c_name, it.second);
 			design->select(module, c);
 
+			if (!flatten_mode && c->type.substr(0, 2) == "\\$")
+				c->type = c->type.substr(1);
+
 			for (auto &it2 : c->connections) {
 				apply_prefix(cell->name, it2.second, module);
 				port_signal_map.apply(it2.second);
-- 
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