[PATCH] D31123: RegisterPressure: Add operators to RegisterMaskPair

[Axel Davy via llvm-commits]

This is similar to just allocating the structure.

Somehow to use maps, it complained without this constructor.
I don't think however any possible initialization value would make sense.

Perhaps UINT_MAX for Reg and 0 for LaneMask ? To clearly indicate there 
is error
if you see these in logs ?

Axel

On 19/03/2017 20:23, Stanislav Mekhanoshin via Phabricator wrote:
> rampitec added inline comments.
>
>
> ================
> Comment at: include/llvm/CodeGen/RegisterPressure.h:45
> +
> +  RegisterMaskPair() {}
> +
> ----------------
> That is undesirable to have a constructor which does not initialize fields.
>
>
> Repository:
>    rL LLVM
>
> https://reviews.llvm.org/D31123
>
>
>