On Tue, Mar 14, 2023 at 10:12:58AM +, Richard Biener via Gcc-patches wrote:
> In PR109087 it was noticed that we rely on DSE to remove .DEFERRED_INIT
> when it is the only remaining use of a variable. Since DSE is imperfect
> and even if it were not would be limited by the amount of statements
In PR109087 it was noticed that we rely on DSE to remove .DEFERRED_INIT
when it is the only remaining use of a variable. Since DSE is imperfect
and even if it were not would be limited by the amount of statements to
walk the following enhances the unused var removal pass to handle
.DEFERRED_INIT l
