[llvm-bugs] [Bug 129660] [LLVM][ARM] Wrong profiling information in llvm-mca for cortex-m52

[LLVM Bugs via llvm-bugs]

Issue	129660
Summary	[LLVM][ARM] Wrong profiling information in llvm-mca for cortex-m52
Labels	new issue
Assignees
Reporter	shazha01

    llvm-mca already supports Cortex-M52 target but provides Cortex-M55 information for Cortex-M52 when using llvm-mca-18/-19/-21 to profile assembly code, such as "Instruction Info",  unit "Resources"...
`llvm-mca -mtriple=arm-none-eabi -mcpu=cortex-m52 <func>.s`

![Image](https://github.com/user-attachments/assets/fca9d263-6fcc-4227-aded-5e203d2b7f2e)

And the confusing code can be found in llvm/lib/Target/ARM/ARMProcessors.td
`def : ProcessorModel<"cortex-m52", CortexM55Model,`

I would like to know if it is a typo? Or will Cortex-M52 be completely supported in the next version?

Thanks!

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