[llvm-dev] RFC: [GlobalISel] propagating int/float type information

[Matt Arsenault via llvm-dev]

> On May 1, 2020, at 14:00, Amara Emerson <aemerson at apple.com> wrote:
> 
> The other thing we could do is to assign speculative regbanks to vregs during translation (if the target wants to opt-in), and then RBS can finalize the regbanks, changing some if it deems it necessary/optimal.

This seems reasonable to me. It wouldn’t require any new infrastructure

-Matt
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