[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
+
+define dso_local <16 x i8> @combine16ix8(<8 x i16> noundef %0, <8 x i16> noundef %1) local_unnamed_addr #0 {
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davemgreen wrote:

These can be cleaned up a little by removing dso_local, noundef, local_unnamed_addr and #0.

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