const StringData* findClassName(SSATmp* cls) { assertx(cls->isA(TCls)); if (cls->hasConstVal()) { return cls->clsVal()->preClass()->name(); } // Try to get the class name from a LdCls IRInstruction* clsInst = cls->inst(); if (clsInst->op() == LdCls || clsInst->op() == LdClsCached) { SSATmp* clsName = clsInst->src(0); assertx(clsName->isA(TStr)); if (clsName->hasConstVal()) { return clsName->strVal(); } } return nullptr; }