This pass uses constant folding to determine which invocation is read by shuffle
for each invocation. Then, it detects patterns in the result and uses more
a specialized intrinsic if possible.
For booleans it creates inverse_ballot.
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24650>