[llvm] [LV][AArch64] Add test for fp128 fmuladd reduction.(NFC) (PR #137576)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,113 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -mtriple=aarch64 -mcpu=neoverse-v2 -p loop-vectorize %s -S | FileCheck %s
+define double @fp128_fmuladd_reduction(ptr %start0, ptr %start1, ptr %end0, ptr %end1, double %x, i64 %n) {
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fhahn wrote:

```suggestion

define double @fp128_fmuladd_reduction(ptr %start0, ptr %start1, ptr %end0, ptr %end1, double %x, i64 %n) {
```

https://github.com/llvm/llvm-project/pull/137576