[llvm-branch-commits] [llvm] release/22.x: [AArch64] Add new pass after VirtRegRewriter to add implicit-defs (#174188) (PR #176197)

[Cullen Rhodes via llvm-branch-commits]

c-rhodes wrote:

> Yes that's right, this will only affect __arm_streaming functions. The added MIR pass added is rather elementary, and the reason the change is 'big' is because a lot of tests are affected when changing the target interface to enable 'subreg liveness tracking'

ok, it's good it's constrained then. Ignoring the tests I'd say the change is still quite big compared to other changes I've backported for 22 so far, but I'm new at this so I'm still figuring out what's normal at this stage. If you're confident and this definitely needs to be in 22 I'm ok to backport. It just needs approval from someone other than yourself as the author.

https://github.com/llvm/llvm-project/pull/176197