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

[Saleem Abdulrasool via llvm-commits]

Martin =?utf-8?q?Storsj=C3=B6?= <martin at martin.st>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/169697 at github.com>


compnerd wrote:

> But I won't try to adjust the prologue code generation to hit this.

How often does this pattern get emitted?

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