[llvm] [AArch64] use `isTRNMask` to calculate shuffle costs (PR #171524)

[via llvm-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
:warning:

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
index fc58c0aa5..084c1af42 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
+++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
@@ -494,7 +494,6 @@ public:
       bool IsUnsigned, unsigned RedOpcode, Type *ResTy, VectorType *Ty,
       TTI::TargetCostKind CostKind = TTI::TCK_RecipThroughput) const override;
 
-
   TTI::ShuffleKind improveShuffleKindFromMask(TTI::ShuffleKind Kind,
                                               ArrayRef<int> Mask,
                                               VectorType *SrcTy, int &Index,

``````````

</details>


https://github.com/llvm/llvm-project/pull/171524