From 9396e5e5fe40f90e44498597ae4df4cc391561e1 Mon Sep 17 00:00:00 2001
From: Jannis Harder <me@jix.one>
Date: Tue, 23 Sep 2025 14:40:22 +0200
Subject: [PATCH] portarcs: Ignore all bufnorm helper cells

The `portarcs` pass was already ignoring `$buf` cells when loading
timing data, but now bufnorm will also emit `$input_port` and `$connect`
helper cells, which need to be ignored as well.
---
 passes/cmds/portarcs.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/passes/cmds/portarcs.cc b/passes/cmds/portarcs.cc
index 36870489a..8cc5d1236 100644
--- a/passes/cmds/portarcs.cc
+++ b/passes/cmds/portarcs.cc
@@ -124,7 +124,8 @@ struct PortarcsPass : Pass {
 				TopoSort<SigBit> sort;
 
 				for (auto cell : m->cells())
-				if (cell->type != ID($buf)) {
+				// Ignore all bufnorm helper cells
+				if (!cell->type.in(ID($buf), ID($input_port), ID($connect))) {
 					auto tdata = tinfo.find(cell->type);
 					if (tdata == tinfo.end())
 						log_cmd_error("Missing timing data for module '%s'.\n", log_id(cell->type));