selftests/bpf: adjust OP_EQ/OP_NE handling to use subranges for branch taken

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Similar to kernel-side BPF verifier logic enhancements, use 32-bit
subrange knowledge for is_branch_taken() logic in reg_bounds selftests.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20231112010609.848406-9-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Andrii Nakryiko 2023-11-11 17:06:04 -08:00 • committed by Alexei Starovoitov

parent 8863238993

commit 774f94c5e7

1 changed files with 26 additions and 4 deletions

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tools/testing/selftests/bpf/prog_tests/reg_bounds.c

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