Re: [PATCH 5/9] regrename: Don't run if function was separately shrink-wrapped

[Jeff Law]

On 09/14/2016 01:03 PM, Segher Boessenkool wrote:

(There is no return insn at those exits; these are exits *without*
successor block, not the exit block).
Hmm, I thought these were return blocks, but you're saying they're 
no-return blocks?  I missed that.

In that case, aren't the restores dead because no callers can observe 
their value changing unexpectedly?


Jeff