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faster and simpler code

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This commit is contained in:
Alain Dargelas 2024-11-09 14:00:57 -08:00
parent 72ff11fb9b
commit a8eb39f569
1 changed files with 9 additions and 13 deletions
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22
passes/cmds/splitnetlist.cc
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@ -172,29 +172,25 @@ struct SplitNetlist : public ScriptPass {
if (!wire->port_output)
continue;
std::string output_port_name = wire->name.c_str();
if (output_port_name.empty())
continue;
// We want to truncate the final _<index>_ part of the string
// Example: "add_Y_0_"
// Result: "add_Y"
bool bitblastedIndex = false;
std::string::iterator end = output_port_name.end()-1;
for (; end != output_port_name.begin(); end--) {
char c = (*end);
if ((end == output_port_name.end()-1) && (c == '_')) {
// bit blasted index
bitblastedIndex = true;
continue;
}
if (bitblastedIndex) {
if (c != '_') {
if ((*end) == '_') {
// Last character is an _, it is a bit blasted index
end--;
for (; end != output_port_name.begin(); end--) {
if ((*end) != '_') {
// Truncate until the next _
continue;
} else {
end--;
// Truncate the _
break;
}
}
}
if (!bitblastedIndex)
end = output_port_name.end()-1;
std::string no_bitblast_prefix;
std::copy(output_port_name.begin(), end, std::back_inserter(no_bitblast_prefix));
// We then truncate the port name, Result: "add"