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Hi, after a short discussion with @whitequark I was asked to make an issue of this behavior.
What I have is a module which as a local clock domain, and if I make another global clock domain which has a colliding name I get an assert error.
This can quite easily happen when making a module, in which one has a local clock that might have a common enough name.
The generated assert error:
Traceback (most recent call last):
File "/home/emifre/Git/alink-hdl/clock_error.py", line 31, in <module>
sim = Simulator(m)
File "/usr/lib/python3.8/site-packages/nmigen/back/pysim.py", line 916, in __init__
self._fragment = Fragment.get(fragment, platform=None).prepare()
File "/usr/lib/python3.8/site-packages/nmigen/hdl/ir.py", line 530, in prepare
new_domains = fragment._propagate_domains(missing_domain)
File "/usr/lib/python3.8/site-packages/nmigen/hdl/ir.py", line 378, in _propagate_domains
File "/usr/lib/python3.8/site-packages/nmigen/hdl/ir.py", line 340, in _propagate_domains_down
assert self.domains[domain] is subfrag.domains[domain]
fromtypingimportList, TuplefromnmigenimportModule, Signal, Elaboratable, ClockDomain, ClockSignalfromnmigen.buildimportPlatformfromnmigen.back.pysimimportSimulatorclassClockSpiTest(Elaboratable):
defelaborate(self, platform: Platform) ->Module:
# This causes colision with clock in ClockSpiTest,# even though it is set as `local=True`spi=ClockDomain(name="spi_slave")
# Set up some simulationsim=Simulator(m)
Thanks for an awesome framework and keep up the amazing work!
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