// METHODS
void deadCheckMod() {
// Kill any unused modules
// V3LinkCells has a graph that is capable of this too, but we need to do it
// after we've done all the generate blocks
for (bool retry=true; retry; ) {
retry=false;
AstNodeModule* nextmodp;
for (AstNodeModule* modp = v3Global.rootp()->modulesp(); modp; modp=nextmodp) {
nextmodp = modp->nextp()->castNodeModule();
if (modp->level()>2 && modp->user1()==0 && !modp->internal()) {
// > 2 because L1 is the wrapper, L2 is the top user module
UINFO(4," Dead module "<<modp<<endl);
// And its children may now be killable too; correct counts
// Recurse, as cells may not be directly under the module but in a generate
DeadModVisitor visitor(modp);
modp->unlinkFrBack()->deleteTree(); VL_DANGLING(modp);
retry = true;
}
}
}
}
