Qiongsi Wu 1fdbe5c573 [clang][PPC] Checking Unknown Values Passed to -mcpu ...

Currently `ppc::getPPCTargetCPU` returns an empty string when it encounters an unknown value passed to `-mcpu`. This causes `clang` to ignore unknown `-mcpu` values silently.

This patch changes the behaviour of `ppc::getPPCTargetCPU` so that it passes the unknown option to the target info, so the target info can actually check if the CPU string is supported, and report an error when encountering unknown/unsupported CPU string.

Reviewed By: jamieschmeiser

Differential Revision: https://reviews.llvm.org/D139720

2022-12-13 10:18:44 -05:00

90 KiB

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