[llvm-dev] Incorrect Cortex-R4/R4F/R5 ProcessorModel in ARM.td

[Phipps, Alan via llvm-dev]

In ARM.td, I see that the ProcessorModel for cortex-r4, cortex-r4f, and cortex-r5 (as well as r7 and r8) is based on "CortexA8Model", which seems incorrect.  When this was added in 2015, there were also comments associated with this configuration, such as "// FIXME: R5 has currently the same ProcessorModel as A8" (later removed).  The processor model for Cortex-r52 appears to be correct and corresponds to an associated "CortexR52Model".

Does anyone know why r4/r4f/r5 were setup based on "CortexA8Model".

Is there a plan to upstream a fix to correct this?

Thanks!

Alan Phipps
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