[llvm] r177730 - R600: Use legacy (0 * anything = 0) MUL instructions for pow intrinsics

[Rafael Espíndola]

> As Michel already wrote in the commit message, it fixes two piglit tests and
> so doesn't need to be covered by any llvm tests.
>
> While it might make sense for some low level instructions to be covered by
> llvm tests, it probably doesn't make any sense for complex behavior changes
> like this one, since they are covered pretty well by piglit.

That is not the case at all! Please check the developer policy:

http://llvm.org/docs/DeveloperPolicy.html#test-cases


> Christian.
>

Cheers,
Rafael