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Merge pull request #6318 from ethereum/signal-failure-and-such

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Allow simplification patterns to signal failure
This commit is contained in:
Alex Beregszaszi
2019-03-20 03:38:51 +00:00
committed by GitHub
parent 11198cd76a 6b60e90cde
commit 5245a66d91
4 changed files with 28 additions and 9 deletions
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libyul/optimiser/SimplificationRules.cpp
+2 -1
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@@ -51,7 +51,8 @@ SimplificationRule<Pattern> const* SimplificationRules::findFirstMatch(
{
rules.resetMatchGroups();
if (rule.pattern.matches(_expr, _dialect, _ssaValues))
return &rule;
if (!rule.feasible || rule.feasible())
return &rule;
}
return nullptr;
}