[PATCH] ARM FastISel fix sext/zext fold

[JF Bastien]

This was the wrong patch, here's the correct one.


On Sat, Jun 8, 2013 at 12:26 PM, JF Bastien <jfb at google.com> wrote:

> Sign- and zero-extension folding was slightly incorrect because it wasn't
> checking that the shift on extensions was zero. Further, I recently added
> AND rd, rn, #255 as a form of 8-bit zero extension, and failed to add the
> folding code for it.
>
> This patch fixes both issues.
>
> This patch fixes both, and the test should remain the same:
>   test/CodeGen/ARM/fast-isel-fold.ll
>
>
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