[llvm] [AArch64] Extend llvm-mca input tests (PR #217036)

[David Green via llvm-commits]

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@@ -1,5 +1,14 @@
 // SVE instructions added by SME and available when not in Streaming SVE mode
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davemgreen wrote:

I think this file should be called sve2p1-instructions.s, as those are the instructions in SME2 but not in SVE2.

https://github.com/llvm/llvm-project/pull/217036