[llvm] Reland "[llvm][AArch64] Copy all operands when expanding BLR_BTI bundle (#78267)" (PR #78719)

[David Spickett via llvm-commits]

DavidSpickett wrote:

But given my track record on this fix, I think the best way to proceed is to land this for 18 and I'll continue to look for a better solution on trunk.

https://github.com/llvm/llvm-project/pull/78719