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[FIRRTL] Add condition expansion for ExpandWhens on Property intrinsics #7021

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merged 3 commits into from
May 11, 2024
Merged

[FIRRTL] Add condition expansion for ExpandWhens on Property intrinsics #7021

merged 3 commits into from
May 11, 2024

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dobios
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@dobios dobios commented May 10, 2024

This PR corrects when expansions for [Assert, Assume, Cover]Poperty by creating an implies statement between the condition of the when and the property itself.
Basically in the case of the following:

when(cond): 
    AssertProperty(prop)

is currently being expanded to simply

AssertProperty(prop)

which is wrong, so this PR makes so that it gets expanded to

AssertProperty(cond implies prop)

@dobios dobios added the bug Something isn't working label May 10, 2024
@dobios dobios requested a review from fabianschuiki May 10, 2024 22:24
fabianschuiki
fabianschuiki approved these changes May 10, 2024
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LGTM! Thanks for fixing this 🥳

test/Dialect/FIRRTL/expand-whens.mlir Outdated Show resolved Hide resolved
@dobios dobios merged commit 684262a into main May 11, 2024
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@dobios dobios deleted the dev/dobios/when-in-assert-condition branch May 11, 2024 00:05
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@fabianschuiki fabianschuiki fabianschuiki approved these changes

@darthscsi darthscsi Awaiting requested review from darthscsi darthscsi is a code owner

@dtzSiFive dtzSiFive Awaiting requested review from dtzSiFive

@seldridge seldridge Awaiting requested review from seldridge seldridge is a code owner

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@dobios @fabianschuiki