[llvm-branch-commits] [llvm] Triple: Add query for the default long double format (PR #211239)

[QIU Chaofan via llvm-branch-commits]

ecnelises wrote:

What's the motivation of this? Per my understanding, 'long double' is a vague frontend language concept, not middle end one. For platforms supporting both IEEEquad and PPCdoubledouble, libc differentiates them by symbol suffixes already.

https://github.com/llvm/llvm-project/pull/211239