[llvm] [AArch64][llvm] Pre-commit tests for new fpcvt codegen (PR #173272)

[Jonathan Thackray via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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jthackray wrote:

Thanks, renamed.

https://github.com/llvm/llvm-project/pull/173272