[llvm] [WebAssembly] Rename old EH tests to *-legacy (PR #93585)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-webassembly

Author: Heejin Ahn (aheejin)

<details>
<summary>Changes</summary>

I think test files for the legacy and the new EH (exnref) are better be separate, and I'd like to use the current test file names for the new EH, rather than keeping the current files and naming the new ones as `-new` or something.

---
Full diff: https://github.com/llvm/llvm-project/pull/93585.diff


2 Files Affected:

- (renamed) llvm/test/CodeGen/WebAssembly/cfg-stackify-eh-legacy.ll () 
- (renamed) llvm/test/CodeGen/WebAssembly/exception-legacy.ll () 


``````````diff
diff --git a/llvm/test/CodeGen/WebAssembly/cfg-stackify-eh.ll b/llvm/test/CodeGen/WebAssembly/cfg-stackify-eh-legacy.ll
similarity index 100%
rename from llvm/test/CodeGen/WebAssembly/cfg-stackify-eh.ll
rename to llvm/test/CodeGen/WebAssembly/cfg-stackify-eh-legacy.ll
diff --git a/llvm/test/CodeGen/WebAssembly/exception.ll b/llvm/test/CodeGen/WebAssembly/exception-legacy.ll
similarity index 100%
rename from llvm/test/CodeGen/WebAssembly/exception.ll
rename to llvm/test/CodeGen/WebAssembly/exception-legacy.ll

``````````

</details>


https://github.com/llvm/llvm-project/pull/93585