On Thu, Aug 11, 2022 at 1:42 PM Richard Biener <rguent...@suse.de> wrote:

> @@ -599,6 +592,30 @@ path_range_query::compute_imports (bitmap imports, const 
> vec<basic_block> &path)
>                 worklist.safe_push (arg);
>             }
>         }
> +      else if (gassign *ass = dyn_cast <gassign *> (def_stmt))
> +       {
> +         tree ssa[3];
> +         if (range_op_handler (ass))
> +           {
> +             ssa[0] = gimple_range_ssa_p (gimple_range_operand1 (ass));
> +             ssa[1] = gimple_range_ssa_p (gimple_range_operand2 (ass));
> +             ssa[2] = NULL_TREE;
> +           }
> +         else if (gimple_assign_rhs_code (ass) == COND_EXPR)
> +           {
> +             ssa[0] = gimple_range_ssa_p (gimple_assign_rhs1 (ass));
> +             ssa[1] = gimple_range_ssa_p (gimple_assign_rhs2 (ass));
> +             ssa[2] = gimple_range_ssa_p (gimple_assign_rhs3 (ass));
> +           }
> +         else
> +           continue;
> +         for (unsigned j = 0; j < 3; ++j)
> +           {
> +             tree rhs = ssa[j];
> +             if (rhs && add_to_imports (rhs, imports))
> +               worklist.safe_push (rhs);
> +           }
> +       }

We seem to have 3 copies of this copy now: this one, the
threadbackward one, and the original one.

Could we abstract this somehow?

Aldy

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