[llvm-dev] error:Ran out of lanemask bits to represent subregisterr

[Krzysztof Parzyszek via llvm-dev]

On 7/19/2017 4:18 PM, Craig Topper wrote:
> LaneMask isn't as self contained as it should be. 64 bits is enough 
> here. The problem is accidental leaking of the current size.
> 
> For example there was a hard coded compare with 32 in tablegen until I 
> fixed it recently. 

This is most likely the only example.  I actually tested it with 
uint64_t (but without exceeding 32 lanes).

-Krzysztof

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