[llvm-dev] New register class and patterns

[Matt Arsenault via llvm-dev]

> On Feb 2, 2016, at 16:52, Rail Shafigulin <rail at esenciatech.com> wrote:
> 
> def SDT_EscalaSetFlag      : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>]>;

I think for setting an implicit register, you still need to have 1 result here.

If you look at SDTX86CmpPTest, I think this is similar to what you are trying to do.

-Matt
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