David Tenty 318ed90144 [AIX][llvm][support] Implement getHostCPUName ...

We implement getHostCPUName() for AIX via systemcfg interfaces since access to the processor version register is a privileged operation. We return a value based on the  current processor implementation mode.

This fixes the cpu detection used by clang for `-mcpu=native`.

Reviewed By: hubert.reinterpretcast

Differential Revision: https://reviews.llvm.org/D95966

2021-02-09 16:30:18 -05:00

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