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

[David Green via llvm-commits]

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

It is best to use the update_llc_test_checks script to keep the tests consistent and more easily maintained.

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