[clang] [clang] add llvm abi support (PR #121123)

[Carlo Cabrera via cfe-commits]

carlocab wrote:

> Introducing a target triple has large ecosystem implication and should not be taken lightly. 

To be fair this patch doesn't introduce a target triple, it only makes it more easily usable in Clang.

That said, I tend to agree with the review at https://github.com/llvm/llvm-project/pull/121123#discussion_r1900548165 that this doesn't seem like the right approach.

https://github.com/llvm/llvm-project/pull/121123