[llvm] [AArch64][NFC] Add test as a representative of scalarizing a vector i… (PR #114107)

[Alexey Bataev via llvm-commits]

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@@ -0,0 +1,23 @@
+; RUN: opt -mtriple=aarch64 -passes=slp-vectorizer -debug-only=SLP -S -disable-output < %s 2>&1 | FileCheck %s
+
+define <4 x i8> @v4i8(<4 x i8> %a, <4 x i8> %b)
+{
+; CHECK: SLP: Found cost = 18 for VF=4
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alexey-bataev wrote:

Btter to avoid checks for debug outputs, use `-pass-remarks-output=` instead

https://github.com/llvm/llvm-project/pull/114107