[llvm] [GlobalISel][LLT] Introduce FPInfo for LLT (Enable bfloat, ppc128float and others in GlobalISel) (PR #155107)

[Ryan Cowan via llvm-commits]

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HolyMolyCowMan wrote:

I also think that the new types (specifically floats and vectors of floats) need to be included in this, otherwise the set of known types `llvm::gi::KnownTypes` will not contain them & they won't end up in the resultant TableGen tables.

I imagine this needs to be gated too.

https://github.com/llvm/llvm-project/pull/155107