[llvm] [AArch64] Optimize vector slide shuffles with zeros to use shift instructions (PR #185170)

[David Green via llvm-commits]

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@@ -0,0 +1,106 @@
+; RUN: llc -mtriple=aarch64 < %s | FileCheck %s
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davemgreen wrote:

Use update_llc_test_checks.py

https://github.com/llvm/llvm-project/pull/185170