On May 10, 2016 3:07:12 PM GMT+02:00, Richard Biener <rguent...@suse.de> wrote:
>
>The following fixes PR71039 - we were failing to verify we can
>insert the lhs on the predecessor edges.
>
>Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
>+ /* Verify if *idx is available at *DATA. */
>+
>+ static bool
>+ chk_uses (tree t, tree *idx, void *data)
>+ {
>+ basic_block dom = (basic_block) data;
>+ if (TREE_CODE (*idx) == SSA_NAME)
>+ return (SSA_NAME_IS_DEFAULT_DEF (*idx)
>+ || ! dominated_by_p (CDI_DOMINATORS,
>+ gimple_bb (SSA_NAME_DEF_STMT (*idx)), dom));
>+ return true;
>+ }
Shouldn't this warn about unused t?
Thanks,
