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dfflibmap: demote some warnings to debug #4791

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Dec 2, 2024
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dfflibmap: demote some warnings to debug #4791

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10 changes: 5 additions & 5 deletions passes/techmap/dfflibmap.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ static bool parse_next_state(const LibertyAst *cell, const LibertyAst *attr, std

if (tree.kind == LibertyExpression::Kind::EMPTY) {
if (!warned_cells.count(cell_name)) {
log_warning("Invalid expression '%s' in next_state attribute of cell '%s' - skipping.\n", expr.c_str(), cell_name.c_str());
log_debug("Invalid expression '%s' in next_state attribute of cell '%s' - skipping.\n", expr.c_str(), cell_name.c_str());
warned_cells.insert(cell_name);
}
return false;
Expand All @@ -135,7 +135,7 @@ static bool parse_next_state(const LibertyAst *cell, const LibertyAst *attr, std
// position that gives better diagnostics here.
if (!pin_names.count(ff_output)) {
if (!warned_cells.count(cell_name)) {
log_warning("Inference failed on expression '%s' in next_state attribute of cell '%s' because it does not contain ff output '%s' - skipping.\n", expr.c_str(), cell_name.c_str(), ff_output.c_str());
log_debug("Inference failed on expression '%s' in next_state attribute of cell '%s' because it does not contain ff output '%s' - skipping.\n", expr.c_str(), cell_name.c_str(), ff_output.c_str());
warned_cells.insert(cell_name);
}
return false;
Expand Down Expand Up @@ -184,7 +184,7 @@ static bool parse_next_state(const LibertyAst *cell, const LibertyAst *attr, std
}

if (!warned_cells.count(cell_name)) {
log_warning("Inference failed on expression '%s' in next_state attribute of cell '%s' because it does not evaluate to an enable flop - skipping.\n", expr.c_str(), cell_name.c_str());
log_debug("Inference failed on expression '%s' in next_state attribute of cell '%s' because it does not evaluate to an enable flop - skipping.\n", expr.c_str(), cell_name.c_str());
warned_cells.insert(cell_name);
}
return false;
Expand Down Expand Up @@ -220,10 +220,10 @@ static bool parse_pin(const LibertyAst *cell, const LibertyAst *attr, std::strin
For now, we'll simply produce a warning to let the user know something is up.
*/
if (pin_name.find_first_of("^*|&") == std::string::npos) {
log_warning("Malformed liberty file - cannot find pin '%s' in cell '%s' - skipping.\n", pin_name.c_str(), cell->args[0].c_str());
log_debug("Malformed liberty file - cannot find pin '%s' in cell '%s' - skipping.\n", pin_name.c_str(), cell->args[0].c_str());
}
else {
log_warning("Found unsupported expression '%s' in pin attribute of cell '%s' - skipping.\n", pin_name.c_str(), cell->args[0].c_str());
log_debug("Found unsupported expression '%s' in pin attribute of cell '%s' - skipping.\n", pin_name.c_str(), cell->args[0].c_str());
}

return false;
Expand Down
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