[llvm] [MIR] Serialize MachineFrameInfo::isCalleeSavedInfoValid() (PR #90561)

[Francis Visoiu Mistrih via llvm-commits]

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+# RUN: llc -run-pass=none -mtriple arm64-apple-ios -o - %s | FileCheck %s
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francisvm wrote:

`-mtriple=aarch64--` to be consistent with the other CodeGen/MIR/AArch64 tests.

https://github.com/llvm/llvm-project/pull/90561