Bug fix in HighLevelSynthesis fast-return mechanism (backport #14349) #14358
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* HLS early termination bug fix * adding test * release notes: remove extra space (cherry picked from commit de41d1a)
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Changelog: Bugfix
ElePT
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May 13, 2025
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Summary
The
HighLevelSynthesistranspiler pass checks whether all of the circuit instructions are already natively supported, in which case the pass terminates early. Previously this check calleddag.count_ops(py, recurse=false), which however is not correct on circuits with control-flow operations when operations within the blocks that are not natively supported. The PR simply changesrecurse=falsetorecurse=true.Details and comments
This should fix #14338 and #14254.
This is an automatic backport of pull request #14349 done by Mergify.