Matt Pharr 43a2d510bf Incorporate per-lane offsets for varying data in the front-end. ...

Previously, it was only in the GatherScatterFlattenOpt optimization pass that
we added the per-lane offsets when we were indexing into varying data.
(Specifically, the case of float foo[]; int index; foo[index], where foo
is an array of varying elements rather than uniform elements.)  Now, this
is done in the front-end as we're first emitting code.

In addition to the basic ugliness of doing this in an optimization pass, 
it was also error-prone to do it there, since we no longer have access
to all of the type information that's around in the front-end.

No functionality or performance change.

2011-11-03 13:15:07 -07:00

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