[llvm] [PHIElimination] Verify reappropriated COPY is of similar register class (PR #146337)

[Guy David via llvm-commits]

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@@ -1,5 +1,5 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
-# RUN: llc -run-pass=phi-node-elimination -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
+# RUN: llc -run-pass=livevars,phi-node-elimination -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
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guy-david wrote:

Yeah, you are right, the current tests don't trip on this change alone.

https://github.com/llvm/llvm-project/pull/146337