[llvm] AArch64: Pass instruction and operand to load/store rename helpers (PR #219471)

[Matt Arsenault via llvm-commits]

arsenm wrote:

Ultimately I want to remove operand parents. It's a huge waste of memory. Every program has a large number * 8 bytes. The existence of the parent also makes value copies behave strangely 

https://github.com/llvm/llvm-project/pull/219471