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Timothy Arceri authored
We turn these from bcsel into inot/b2f combos in order for other optimisation passes to get further. Once we have finished turn the ones that remain and are used in more than a single expression back into a bcsel. On BDW: total instructions in shared programs: 13060965 -> 13060297 (-0.01%) instructions in affected programs: 835701 -> 835033 (-0.08%) helped: 670 HURT: 2 total cycles in shared programs: 256599536 -> 256598006 (-0.00%) cycles in affected programs: 114655488 -> 114653958 (-0.00%) helped: 419 HURT: 240 LOST: 0 GAINED: 1 The 2 HURT is because inserting bcsel creates the only use of const 1.0 in two shaders from tri-of-friendship-and-madness. Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
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