Qiskit / qiskit / 10188103895

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github

Committed by web-flow

Commit Message

Avoid operator creation in transpiler (#12826) (#12875)

* Avoid operator creation in transpiler

This removes very nearly all of the use of `DAGOpNode.op` in the default
transpiler paths.  The sole exception is in `InverseCancellation`, which
currently would involve some quite awkward gymnastics for little
near-term benefit. The pass should move fully to Rust soon, making it
not worth the effort.

Most of the tricks here involve using the knowledge that most operations
will involve only Rust-space standard gates, and that these cannot be
control-flow operations.

* Fix `HighLevelSynthesis` fast path

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Co-authored-by: Matthew Treinish <mtreinish@kortar.org>
(cherry picked from commit 0afb06e8a)

Co-authored-by: Jake Lishman <jake.lishman@ibm.com>

Run Details

108 of 114 new or added lines in 15 files covered. (94.74%)

5 existing lines in 3 files now uncovered.

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