[clang] [CIR][AArch64] Use CIR float types in getSVEType (PR #233896)

[Bruno Cardoso Lopes via cfe-commits]

https://github.com/bcardosolopes approved this pull request.

LGTM. Deleting the builtin float getters on the CIR builder is a good guard here IMO

https://github.com/llvm/llvm-project/pull/233896