[clang] [CIR] floating-point, pointer, and function types (PR #120484)

[Bruno Cardoso Lopes via cfe-commits]

bcardosolopes wrote:


> @bcardosolopes I can work on the phase 2 of the change I had in mind and remove also the `!void` from function type textual IR to avoid adding a new feature in the MLIR parsing infrastructure.

Neat, if you can do that I won't need to revert and make it easier for everyone

https://github.com/llvm/llvm-project/pull/120484