453       case Ist_NoOp:  in flatten_Stmt()
579       if (st->tag == Ist_NoOp)  in redundant_get_removal_BB()
751       case Ist_NoOp:  in handle_gets_Stmt()
817       if (st->tag == Ist_NoOp)  in redundant_put_removal_BB()
2015       case Ist_NoOp:  in subst_and_fold_Stmt()
2087       if (st2->tag == Ist_NoOp) continue;  in cprop_BB()
2092       if (st2->tag == Ist_NoOp) continue;  in cprop_BB()
2240       case Ist_NoOp:  in addUses_Stmt()
2305       if (st->tag == Ist_NoOp)  in do_deadcode_BB()
2826          case Ist_NoOp: case Ist_IMark: case Ist_AbiHint:   in do_cse_BB()
3009       if (st->tag == Ist_NoOp)  in collapse_AddSub_chains_BB()
3130       if (st->tag == Ist_NoOp)   in findPutI()
3238       case Ist_NoOp:  in guestAccessWhichMightOverlapPutI()
3336       if (st->tag == Ist_NoOp)  in do_redundant_GetI_elimination()
3395          if (stj->tag == Ist_NoOp)   in do_redundant_PutI_elimination()
3490       case Ist_NoOp:  in deltaIRStmt()
3576       if (bb->stmts[i]->tag != Ist_NoOp)  in calc_unroll_factor()
4011       case Ist_NoOp:  in aoccCount_Stmt()
4304       case Ist_NoOp:  in atbSubst_Stmt()
4362       if (st->tag == Ist_NoOp)  in ado_treebuild_BB()
4414       if (st->tag == Ist_NoOp)  in ado_treebuild_BB()
4678          case Ist_NoOp:  in considerExpensives()