[llvm] [AArch64][GlobalISel] Combine MUL(AND(LSHR(X, 15), 0x10001), 0xffff) to CMLTz (PR #92915)

[David Green via llvm-commits]

https://github.com/davemgreen commented:

It might be good to say this is the equivalent of https://reviews.llvm.org/D130874 in the commit message.

https://github.com/llvm/llvm-project/pull/92915