On Fri, Aug 18, 2017 at 4:52 PM, Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx> wrote: > On Fri, Aug 18, 2017 at 10:39 PM, Christopher Li <sparse@xxxxxxxxxxx> wrote: >> > > It's not needed because: > 1) phi-nodes need to have 'parallel-assignment' semantics anyway > like in languages where you can write 'a, b = b, a' to exchange > two variables. In other words, if the order would matter it would > be a bug. I need to think more about that. > 2) you can never have (the target of) a phi-node (OP_PHI) > as another phi-node' source because all such sources are > created by OP_PHISOURCEs. I see. So that means you can just insert into the first instruction? Chris -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
