On Fri, Sep 20, 2024 at 12:40:27PM -0400, Siddhesh Poyarekar wrote:
> --- a/gcc/tree-object-size.cc
> +++ b/gcc/tree-object-size.cc
> @@ -1468,6 +1468,63 @@ merge_object_sizes (struct object_size_info *osi, tree
> dest, tree orig)
>return bitmap_bit_p (osi->reexamine, SSA_NAME_VERSION (orig));
In PTR + OFFSET cases, try harder to see if the target offset could
result in a constant. Specifically, if the offset is a PHI node with
all constant branches, return the minimum (or maximum for OST_MINIMUM)
of the possible values.
gcc/ChangeLog:
PR tree-optimization/116556
* tre
