nir/opt_if: fix fighting between split_alu_of_phi and peel_initial_break

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Fixes: 6b4b04473986 ("nir/opt_loop: add loop peeling optimization")
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/11822
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31002>
4 files changed