[llvm-branch-commits] [llvm] release/18.x: [PowerPC] Update chain uses when emitting lxsizx (#84892) (PR #85648)

[Josh Stone via llvm-branch-commits]

cuviper wrote:

Fine by me -- I even tested the fix back on LLVM 17 for my original reproducer -- but I think the bot really wants to hear from the PR author @ecnelises.

https://github.com/llvm/llvm-project/pull/85648