[llvm] [AArch64] Convert concat(uhadd(a,b), uhadd(c,d)) to uhadd(concat(a,c), concat(b,d)) (PR #79464)

[Rin Dobrescu via llvm-commits]

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@@ -1,75 +1,36 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
 ; RUN: llc -mtriple=aarch64 < %s | FileCheck %s
 
-define i32 @lower_lshr(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c, <4 x i32> %d, <4 x i32> %e, <4 x i32> %f, <4 x i32> %g, <4 x i32> %h) {
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Rin18 wrote:

I think this test case belongs and is covered in the @combine_add_8xi32 function in concat-vector-add-combine.ll so I removed it from this file.

https://github.com/llvm/llvm-project/pull/79464