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authorClifford Wolf <clifford@clifford.at>2019-05-27 13:24:19 +0200
committerGitHub <noreply@github.com>2019-05-27 13:24:19 +0200
commit2a9c68e2d6e0d58ac9e1ef8e8eb4c21eb979b380 (patch)
treee68672f6a6b667fc1561905ed1f0078c08cc81b7
parentda140dd2602a049a94473f5f262189b22e19c185 (diff)
parente3f9ccf56d65ba72dfa625e9716d1182f36a381e (diff)
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Merge pull request #1026 from YosysHQ/clifford/fix1023
Keep zero-width wires in opt_clean if and only if they are ports
-rw-r--r--kernel/log.cc9
-rw-r--r--passes/opt/opt_clean.cc5
2 files changed, 12 insertions, 2 deletions
diff --git a/kernel/log.cc b/kernel/log.cc
index 9a9104e26..fa74a6a3c 100644
--- a/kernel/log.cc
+++ b/kernel/log.cc
@@ -230,6 +230,9 @@ static void logv_warning_with_prefix(const char *prefix,
}
else
{
+ int bak_log_make_debug = log_make_debug;
+ log_make_debug = 0;
+
for (auto &re : log_werror_regexes)
if (std::regex_search(message, re))
log_error("%s", message.c_str());
@@ -254,6 +257,7 @@ static void logv_warning_with_prefix(const char *prefix,
}
log_warnings_count++;
+ log_make_debug = bak_log_make_debug;
}
}
@@ -285,6 +289,9 @@ static void logv_error_with_prefix(const char *prefix,
#ifdef EMSCRIPTEN
auto backup_log_files = log_files;
#endif
+ int bak_log_make_debug = log_make_debug;
+ log_make_debug = 0;
+ log_suppressed();
if (log_errfile != NULL)
log_files.push_back(log_errfile);
@@ -298,6 +305,8 @@ static void logv_error_with_prefix(const char *prefix,
log("%s%s", prefix, log_last_error.c_str());
log_flush();
+ log_make_debug = bak_log_make_debug;
+
if (log_error_atexit)
log_error_atexit();
diff --git a/passes/opt/opt_clean.cc b/passes/opt/opt_clean.cc
index bf8020169..7011d4602 100644
--- a/passes/opt/opt_clean.cc
+++ b/passes/opt/opt_clean.cc
@@ -319,8 +319,9 @@ bool rmunused_module_signals(RTLIL::Module *module, bool purge_mode, bool verbos
wire->attributes.erase("\\init");
if (GetSize(wire) == 0) {
- // delete zero-width wires
- goto delete_this_wire;
+ // delete zero-width wires, unless they are module ports
+ if (wire->port_id == 0)
+ goto delete_this_wire;
} else
if (wire->port_id != 0 || wire->get_bool_attribute("\\keep") || !initval.is_fully_undef()) {
// do not delete anything with "keep" or module ports or initialized wires