// VISITORS
virtual void visit(AstNodeModule* nodep, AstNUser*) {
m_stmtCnt = 0;
m_modp = nodep;
m_modp->user2(CIL_MAYBE);
if (m_modp->castIface()) {
// Inlining an interface means we no longer have a cell handle to resolve to.
// If inlining moves post-scope this can perhaps be relaxed.
cantInline("modIface",true);
}
if (m_modp->modPublic()) cantInline("modPublic",false);
//
nodep->iterateChildren(*this);
//
bool userinline = nodep->user1();
int allowed = nodep->user2();
int refs = nodep->user3();
// Should we automatically inline this module?
// inlineMult = 2000 by default. If a mod*#instances is < this # nodes, can inline it
bool doit = ((allowed == CIL_NOTSOFT || allowed == CIL_MAYBE)
&& (userinline
|| ((allowed == CIL_MAYBE)
&& (refs==1
|| m_stmtCnt < INLINE_MODS_SMALLER
|| v3Global.opt.inlineMult() < 1
|| refs*m_stmtCnt < v3Global.opt.inlineMult()))));
// Packages aren't really "under" anything so they confuse this algorithm
if (nodep->castPackage()) doit = false;
UINFO(4, " Inline="<<doit<<" Possible="<<allowed<<" Usr="******" Refs="<<refs<<" Stmts="<<m_stmtCnt
<<" "<<nodep<<endl);
nodep->user1(doit);
m_modp = NULL;
}
virtual void visit(AstVar* nodep, AstNUser*) {
nodep->iterateChildren(*this);
if (m_ftaskp) nodep->funcLocal(true);
if (nodep->isSigModPublic()) {
nodep->sigModPublic(false); // We're done with this attribute
m_modp->modPublic(true); // Avoid flattening if signals are exposed
}
}
virtual void visit(AstPragma* nodep, AstNUser*) {
if (nodep->pragType() == AstPragmaType::PUBLIC_MODULE) {
if (!m_modp) nodep->v3fatalSrc("PUBLIC_MODULE not under a module\n");
m_modp->modPublic(true);
nodep->unlinkFrBack(); pushDeletep(nodep); nodep=NULL;
}
else if (nodep->pragType() == AstPragmaType::PUBLIC_TASK) {
if (!m_ftaskp) nodep->v3fatalSrc("PUBLIC_TASK not under a task\n");
m_ftaskp->taskPublic(true);
m_modp->modPublic(true); // Need to get to the task...
nodep->unlinkFrBack(); pushDeletep(nodep); nodep=NULL;
}
else if (nodep->pragType() == AstPragmaType::COVERAGE_BLOCK_OFF) {
if (!v3Global.opt.coverageLine()) { // No need for block statements; may optimize better without
nodep->unlinkFrBack(); pushDeletep(nodep); nodep=NULL;
}
}
else {
nodep->iterateChildren(*this);
}
}
void V3LinkLevel::wrapTop(AstNetlist* netlistp) {
UINFO(2,__FUNCTION__<<": "<<endl);
// We do ONLY the top module
AstNodeModule* oldmodp = netlistp->modulesp();
if (!oldmodp) netlistp->v3fatalSrc("No module found to process");
AstNodeModule* newmodp = new AstModule(oldmodp->fileline(), (string)"TOP_"+oldmodp->name());
// Make the new module first in the list
oldmodp->unlinkFrBackWithNext();
newmodp->addNext(oldmodp);
newmodp->level(1);
newmodp->modPublic(true);
netlistp->addModulep(newmodp);
// TODO the module creation above could be done after linkcells, but
// the rest must be done after data type resolution
wrapTopCell(netlistp);
wrapTopPackages(netlistp);
}
virtual void visit(AstCell* nodep, AstNUser*) {
// Parent module inherits child's publicity
if (nodep->modp()->modPublic()) m_modp->modPublic(true);
//** No iteration for speed
}
virtual void visit(AstScInt* nodep, AstNUser*) {
// Special class info means the module must remain public
m_modp->modPublic(true);
nodep->iterateChildren(*this);
}
virtual void visit(AstScDtor* nodep, AstNUser*) {
// Destructor info means the module must remain public
m_modp->modPublic(true);
nodep->iterateChildren(*this);
}