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Author SHA1 Message Date
Lars-Peter Clausen 9b1ac6ab50 ivtest: Fix `assign` vs `initial` race condition in some tests 
The first evaluation of an `assign` statement is scheduled at the same time as
`initial` statements.

There are some test cases that evaluate the result of an `assign` statement
in an `initial` statement. This is an inherent race condition and might
fail depending on the exact order of evaluation.

To fix this add an additional delay in the `initial` block. This will make
sure that all `assign` statements get fully resolved first.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
 2024-01-20 10:32:02 -08:00
Stephen Williams cea237b407 Add ivtest to the iverilog source tree 
By adding ivtest to the iverilog source tree, it is easier to keep
the regression test synchronized with the source that is being tested.
This should be especially helpful for PRs that add a new feature, and
have a matching ivtest PR with the regression test for that feature.
 2022-01-15 10:18:50 -08:00