[llvm] [AArch64] MI Scheduler LDP combine follow up (PR #79003)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

The test failure was to an unused CHECK prefix, caught in a build with asserts, so that's nice. It was a leftover from the STP part that I factored out, which I will now put up for review soon after merging this.



https://github.com/llvm/llvm-project/pull/79003