[llvm] [LV] Teach the loop vectorizer llvm.sincos is trivially vectorizable (PR #128035)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,251 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --filter "(:|sincos|extractvalue|store)" --version 5
+; RUN: opt -passes=loop-vectorize -mtriple=aarch64-gnu-linux -mcpu=neoverse-v1 -mattr=+sve < %s -S -o - -debug-only=loop-vectorize 2>%t.1 | FileCheck %s --check-prefix=CHECK
+; RUN: opt -passes=loop-vectorize -mtriple=aarch64-gnu-linux -mcpu=neoverse-v1 -mattr=+sve -vector-library=ArmPL < %s -S -o - -debug-only=loop-vectorize 2>%t.2 | FileCheck %s --check-prefix=CHECK-ARMPL
+; RUN: cat %t.1 | FileCheck --check-prefix=CHECK-COST %s
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fhahn wrote:

Could use `FileCheck --input-file` instead of `cat`

```suggestion
; RUN: FileCheck --input-file=%t.1 --check-prefix=CHECK-COST %s
```

https://github.com/llvm/llvm-project/pull/128035