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| author | Jannis Harder <me@jix.one> | 2023-02-14 17:46:31 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-02-14 17:46:31 +0100 |
| commit | ec947036191bce7ef020c240fbdb8d6fdcf572b6 (patch) | |
| tree | 5cffe4f8a53459a0f617a33ba4839c67860c585b /tests/various | |
| parent | 85f611fb23ea6f10505299a2f2329e2efedd1dbc (diff) | |
| parent | b636af9751993bd35f02f56e68e63a4ef715aa4e (diff) | |
| download | yosys-ec947036191bce7ef020c240fbdb8d6fdcf572b6.tar.gz yosys-ec947036191bce7ef020c240fbdb8d6fdcf572b6.tar.bz2 yosys-ec947036191bce7ef020c240fbdb8d6fdcf572b6.zip | |
Merge pull request #2995 from georgerennie/cover_precond
chformal: Add -coverenable option
Diffstat (limited to 'tests/various')
| -rw-r--r-- | tests/various/chformal_coverenable.ys | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/various/chformal_coverenable.ys b/tests/various/chformal_coverenable.ys new file mode 100644 index 000000000..52b3ee6bf --- /dev/null +++ b/tests/various/chformal_coverenable.ys @@ -0,0 +1,25 @@ +read_verilog -formal <<EOT +module top(input a, b, c, d); + + always @* begin + if (a) assert (b == c); + if (!a) assert (b != c); + if (b) assume (c); + if (c) cover (d); + end + +endmodule +EOT + +prep -top top + +select -assert-count 1 t:$cover + +chformal -cover -coverenable +select -assert-count 2 t:$cover + +chformal -assert -coverenable +select -assert-count 4 t:$cover + +chformal -assume -coverenable +select -assert-count 5 t:$cover |