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Merge pull request #135 from nturley/patch-1
add test for issue 134
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""" | ||
When an interface signal gets passed into a function, it | ||
can get renamed to the name of the argument. When the | ||
function is called multiple times, this causes name collisions """ | ||
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from __future__ import absolute_import | ||
import pytest | ||
from myhdl import * | ||
from myhdl.conversion import analyze | ||
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class AB: | ||
def __init__(self): | ||
self.a = Signal(bool(False)) | ||
self.b = Signal(bool(False)) | ||
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def invert(sigin, sigout): | ||
@always_comb | ||
def foo(): | ||
sigout.next = not sigin | ||
return foo | ||
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def issue_134(ab_in, ab_out): | ||
""" Instantiate an inverter for each signal """ | ||
inverta = invert(ab_in.a, ab_out.a) | ||
invertb = invert(ab_in.b, ab_out.b) | ||
return inverta, invertb | ||
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@pytest.mark.xfail | ||
def test_issue_134(): | ||
""" check for port name collision""" | ||
assert analyze(issue_134, AB(), AB()) == 0 |