Preserve native negated gate controls through full QIR - #5516
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Carry ordered control values to NVQIR so simulators can avoid compiler-inserted X conjugation. Support ordinary gates, custom unitaries, and exp-Pauli through the runtime control-value interface. Retain control-negation expansion for hardware/profile pipelines. Resolves NVIDIA#4230 Co-authored-by: Codex <codex@openai.com> Signed-off-by: Pradnya Khalate <pkhalate@nvidia.com>
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schweitzpgi
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sacpis
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LGTM. Thanks @khalatepradnya. Let's wait for @schweitzpgi feedback here.
schweitzpgi
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Oct 1, 2026
| "invokeWithControlRegisterOrQubits"; | ||
| static constexpr const char NVQIRGeneralizedInvokeAny[] = | ||
| "generalizedInvokeWithRotationsControlsTargets"; | ||
| static constexpr const char NVQIRInvokeControlValues[] = |
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Do we really need a second "most generalized" way of applying a gate? It reads like an oxymoron.
schweitzpgi
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Oct 1, 2026
schweitzpgi
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Oct 1, 2026
schweitzpgi
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Oct 1, 2026
schweitzpgi
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Oct 1, 2026
| //===----------------------------------------------------------------------===// | ||
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| // The runtime copies control values before returning. Scope the temporary | ||
| // buffer so repeated gate calls do not accumulate dynamic stack allocations. |
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This should be folded into a common wrapper function like the original general invoker does rather than generate special handling code on the fly.
schweitzpgi
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Oct 1, 2026
Signed-off-by: Pradnya Khalate <pkhalate@nvidia.com>
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exp_pauli, using the existing NVQIR control-value interfaces.