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fix value conversion bug

This commit is contained in:
Stan Lee 2026-04-29 15:21:29 -07:00
parent 448ab2a4e7
commit 550d48c417
1 changed files with 23 additions and 8 deletions
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31
passes/silimate/reg_rename.cc
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@ -108,11 +108,19 @@ struct RegRenameInstance {
size_t last_open = cellName.rfind('[');
size_t last_close = cellName.rfind(']');
if (last_open != std::string::npos && last_close != std::string::npos && last_close > last_open) {
wireName = cellName.substr(0, last_open);
bitIndex = std::stoi(cellName.substr(last_open + 1, last_close - last_open - 1));
// Check that bracket content is just a single bit index
std::string inner = cellName.substr(last_open + 1, last_close - last_open - 1);
if (!inner.empty() && inner.find_first_not_of("0123456789") == std::string::npos) {
wireName = cellName.substr(0, last_open);
bitIndex = std::stoi(inner);
} else {
wireName = cellName;
bitIndex = 0;
}
} else {
wireName = cellName;
bitIndex = 0;
wireName = cellName;
bitIndex = 0;
}
// Process Q output connection for the cell
@ -301,10 +309,17 @@ struct RegRenamePass : public Pass {
std::string signal_bits = "";
// Use the bracket notation to extract the bit range and construct true reg name.
size_t bit_pos = signal_name.rfind('[');
if (bit_pos != std::string::npos) {
signal_bits = signal_name.substr(bit_pos);
signal_name.erase(bit_pos);
if (!signal_name.empty() && signal_name.back() == ']') {
size_t open = signal_name.rfind('[');
if (open != std::string::npos) {
std::string inner = signal_name.substr(open + 1,
signal_name.size() - open - 2);
// Check for alphabetical characters since they can be contained in brackets in a wire name.
if (!inner.empty() && inner.find_first_not_of("0123456789:") == std::string::npos) {
signal_bits = signal_name.substr(open);
signal_name.erase(open);
}
}
}
// Extract the LSB and MSB indices if present.