selftests: bpf: add tests for dead code removal

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Add tests for newly added dead code elimination.  Both verifier
and BTF tests are added.  BTF test infrastructure has to be
extended to be able to account for line info which is eliminated
during dead code removal.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Jakub Kicinski 2019-01-22 22:45:22 -08:00 • committed by Alexei Starovoitov

parent a1b14abc00

commit cb05077508

2 changed files with 549 additions and 7 deletions

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396

tools/testing/selftests/bpf/test_btf.c

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160

tools/testing/selftests/bpf/test_verifier.c

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