i965/fs: Remove SNB embedded-comparison support from optimizations.

We never emit IF instructions with an embedded comparison (lost in the
switch to NIR), so this code is not used. If we want to readd support,
we should have a pass that merges a CMP instruction with an IF or a
WHILE instruction after other optimizations have run.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
2 files changed