John Kessenich fdf6347f0a HLSL: Add EOpMatrixSwizzle, selectively decomposed to other ops, for issue #670.
Since EOpMatrixSwizzle is a new op, existing back-ends only work when the
front end first decomposes it to other operations. So far, this is only
being done for simple assignment into matrix swizzles.
2017-01-13 12:35:01 -07:00
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