void cantInline(const char* reason, bool hard) {
if (hard) {
if (m_modp->user2() != CIL_NOTHARD) {
UINFO(4," No inline hard: "<<reason<<" "<<m_modp<<endl);
m_modp->user2(CIL_NOTHARD);
m_statUnsup++;
}
} else {
if (m_modp->user2() == CIL_MAYBE) {
UINFO(4," No inline soft: "<<reason<<" "<<m_modp<<endl);
m_modp->user2(CIL_NOTSOFT);
}
}
}
// 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;
}