[llvm] [AArch64] Optimize two large shifts and a combine into a single combine and shift (PR #99480)

[via llvm-commits]

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@@ -0,0 +1,37 @@
+; RUN: update_llc_test_checks < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=neon | FileCheck %s
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sopyb wrote:

I just realized how stupid this change is. I will work on figuring out update_llc_test_checks today, I had a long day yesterday and wanted to get some work done but my brain was out of it.

https://github.com/llvm/llvm-project/pull/99480