Re: GSoC topic: precise lifetimes in GIMPLE

2020-03-02 Thread Richard Biener
On Mon, 2 Mar 2020, Alexander Monakov wrote: > On Mon, 2 Mar 2020, Richard Biener wrote: > > > PR90348 is certainly entertaining. But I guess for a GSoC project > > we need a more elaborate implementation plan. The above suggesting > > of a "lifetime start" is IMHO a no-go btw. Instead I think

Re: GSoC topic: precise lifetimes in GIMPLE

2020-03-02 Thread Alexander Monakov
On Mon, 2 Mar 2020, Richard Biener wrote: > PR90348 is certainly entertaining. But I guess for a GSoC project > we need a more elaborate implementation plan. The above suggesting > of a "lifetime start" is IMHO a no-go btw. Instead I think the > only feasible way is to make all references indir

Re: GSoC topic: precise lifetimes in GIMPLE

2020-03-02 Thread Richard Biener
On Mon, 2 Mar 2020, Alexander Monakov wrote: > Hi, > > following the conversation in PR 90348, I wonder if it would make sense > to suggest the idea presented there as a potential GSoC topic? Like this: > > **Enhance GIMPLE IR to represent lifetimes explicitly** At the moment, > GCC internal re