Re: [PATCH] Improve DSE to handle redundant zero initializations.

[Jeff Law]

On 8/19/19 1:53 PM, Matthew Beliveau wrote:

>> Jeff
> 
> DSE-3.patch
> 
> Bootstrapped/regtested on x86_64-linux, ok for trunk?
> 
> 2019-08-19  Matthew Beliveau  <mbeli...@redhat.com>
> 
>       * tree-ssa-dse.c (dse_optimize_redundant_stores): Improved check to
>       catch more redundant zero initialization cases.
>       (dse_dom_walker::dse_optimize_stmt): Likewise.
> 
>       * gcc.dg/tree-ssa/redundant-assign-zero-1.c: New test.
>       * gcc.dg/tree-ssa/redundant-assign-zero-2.c: New test.
OK for the trunk.  THanks for your patience.

Jeff