[llvm] [MC] [Win64EH] Produce packed unwind for the special case of X19+LR (PR #169697)

[Eli Friedman via llvm-commits]

Martin =?utf-8?q?Storsjö?= <martin at martin.st>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/169697 at github.com>


efriedma-quic wrote:

I don't think anyone has ever gathered complete stats for prologue forms. If you want to check for yourself, you can scan `llvm-readelf --unwind` output for `str x30, [...]` immediately followed by `str x19, [...]`.

https://github.com/llvm/llvm-project/pull/169697