[llvm] [AArch64][SLP] Add NFC test cases for floating point reductions (PR #106507)

[Sushant Gokhale via llvm-commits]

================
@@ -0,0 +1,1232 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -passes=slp-vectorizer -mtriple=aarch64-unknown-linux -S | FileCheck %s
+; RUN: opt < %s -passes=slp-vectorizer -mtriple=aarch64-unknown-linux -mcpu=neoverse-v2 \
+; RUN:       -S | FileCheck %s --check-prefix=NEOV2
----------------
sushgokh wrote:

The result is different for v16 half type.

https://github.com/llvm/llvm-project/pull/106507