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https://issues.apache.org/jira/browse/DAFFODIL-1177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Lawrence resolved DAFFODIL-1177.
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Resolution: Won't Fix
> DPath should do more constant expression folding
> ------------------------------------------------
>
> Key: DAFFODIL-1177
> URL: https://issues.apache.org/jira/browse/DAFFODIL-1177
> Project: Daffodil
> Issue Type: Improvement
> Components: Middle "End", Performance
> Affects Versions: s15
> Reporter: Mike Beckerle
> Priority: Minor
>
> DPath will optimize out an expression only if the whole expression is
> constant. If sub-expressions within it are constants, it will not isolate
> those and convert them into constants.
> Unclear how important this is to performance. It's just something compilers
> normally do, but our DPath compiler isn't yet doing.
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