[llvm] ARM: Use correct file extension for IR test (PR #142728)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-arm

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/142728.diff


1 Files Affected:

- (renamed) llvm/test/CodeGen/ARM/float-helpers.ll () 


``````````diff
diff --git a/llvm/test/CodeGen/ARM/float-helpers.s b/llvm/test/CodeGen/ARM/float-helpers.ll
similarity index 100%
rename from llvm/test/CodeGen/ARM/float-helpers.s
rename to llvm/test/CodeGen/ARM/float-helpers.ll

``````````

</details>


https://github.com/llvm/llvm-project/pull/142728