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compute_action-2.cpp
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/*******************************************************************************
* Copyright (c) 2022 - 2025 NVIDIA Corporation & Affiliates. *
* All rights reserved. *
* *
* This source code and the accompanying materials are made available under *
* the terms of the Apache License 2.0 which accompanies this distribution. *
******************************************************************************/
// REQUIRES: c++20
// RUN: cudaq-quake %s | cudaq-opt --apply-op-specialization | FileCheck %s
// RUN: cudaq-quake %s | cudaq-opt --lambda-lifting --canonicalize --apply-op-specialization -o %t && FileCheck --check-prefix=LAMBDA %s < %t && FileCheck --check-prefix=LAMBDA2 %s < %t
#include <cudaq.h>
__qpu__ void magic_func(cudaq::qvector<> &q) {
auto nQubits = q.size();
for (int step = 0; step < 100; ++step) {
for (int j = 0; j < nQubits; j++)
rx(-.01, q[j]);
for (int i = 0; i < nQubits - 1; i++) {
cudaq::compute_action([&]() { x<cudaq::ctrl>(q[i], q[i + 1]); },
[&]() { rz(-.01, q[i + 1]); });
}
}
}
struct ctrlHeisenberg {
void operator()(int nQubits) __qpu__ {
cudaq::qubit ctrl1;
cudaq::qvector q(nQubits);
cudaq::control(magic_func, ctrl1, q);
}
};
// CHECK-LABEL: func.func private @__nvqpp__mlirgen__function_magic_func.
// CHECK-SAME: .ctrl(%[[VAL_0:.*]]: !quake.veq<?>, %{{.*}}: !quake.veq<?>) {
// CHECK: cc.scope {
// CHECK: cc.loop while {
// CHECK: } do {
// CHECK: cc.scope {
// CHECK: cc.scope {
// CHECK: cc.loop while {
// CHECK: } do {
// CHECK: quake.rx (%{{.*}}) [%[[VAL_0]]] %{{.*}} : (f64, !quake.veq<?>, !quake.ref) -> ()
// CHECK: } step {
// CHECK: }
// CHECK: }
// CHECK: cc.scope {
// CHECK: cc.loop while {
// CHECK: } do {
// CHECK: %[[VAL_28:.*]] = cc.create_lambda {
// CHECK: quake.x [%{{.*}}] %{{.*}} : (!quake.ref, !quake.ref) -> ()
// CHECK: } : !cc.callable<() -> ()>
// CHECK: %[[VAL_36:.*]] = cc.create_lambda {
// CHECK: quake.rz (%{{.*}}) [%[[VAL_0]]] %{{.*}} : (f64, !quake.veq<?>, !quake.ref) -> ()
// CHECK: } : !cc.callable<() -> ()>
// CHECK: quake.compute_action %[[VAL_28]], %[[VAL_36]] : !cc.callable<() -> ()>, !cc.callable<() -> ()>
// CHECK: cc.continue
// CHECK: } step {
// CHECK: }
// CHECK: }
// CHECK: }
// CHECK: } step {
// CHECK: }
// CHECK: }
// CHECK: return
// CHECK: }
// CHECK-LABEL: func.func @__nvqpp__mlirgen__ctrlHeisenberg(
// CHECK-SAME: %[[VAL_0:.*]]: i32)
// CHECK: %[[VAL_1:.*]] = cc.alloca i32
// CHECK: cc.store %[[VAL_0]], %[[VAL_1]] : !cc.ptr<i32>
// CHECK: %[[VAL_2:.*]] = quake.alloca !quake.ref
// CHECK: %[[VAL_3:.*]] = cc.load %[[VAL_1]] : !cc.ptr<i32>
// CHECK: %[[VAL_4:.*]] = cc.cast signed %[[VAL_3]] : (i32) -> i64
// CHECK: %[[VAL_5:.*]] = quake.alloca !quake.veq<?>[%[[VAL_4]] : i64]
// CHECK: %[[VAL_6:.*]] = quake.concat %[[VAL_2]] : (!quake.ref) -> !quake.veq<?>
// CHECK: call @__nvqpp__mlirgen__function_magic_func.{{.*}}.ctrl(%[[VAL_6]], %[[VAL_5]]) : (!quake.veq<?>, !quake.veq<?>) -> ()
// CHECK: return
// CHECK: }
//===----------------------------------------------------------------------===//
// LAMBDA-LABEL: func.func private @__nvqpp__lifted.lambda.0.adj(
// LAMBDA-SAME: %{{[^:]*}}: !cc.ptr<i32>, %{{[^:]*}}: !quake.veq<?>, %{{[^:]*}}: i32) {
// LAMBDA: quake.x [%{{.*}}] %{{.*}} : (!quake.ref, !quake.ref) -> ()
// LAMBDA: return
// LAMBDA2-LABEL: func.func private @__nvqpp__lifted.lambda.1.ctrl(
// LAMBDA2-SAME: %[[VAL_0:.*]]: !quake.veq<?>, %{{.*}}: !cc.ptr<i32>, %{{.*}}: i32, %{{.*}}: !quake.veq<?>, %{{.*}}: f64) {
// LAMBDA2: quake.rz (%{{.*}}) [%[[VAL_0]]] %{{.*}} : (f64, !quake.veq<?>, !quake.ref) -> ()
// LAMBDA2: return
// LAMBDA-LABEL: func.func private @__nvqpp__mlirgen__function_magic_func.
// LAMBDA-SAME: .ctrl(%[[VAL_0:.*]]: !quake.veq<?>, %[[VAL_1:.*]]: !quake.veq<?>) {
// LAMBDA: cc.scope {
// LAMBDA: cc.loop while {
// LAMBDA: } do {
// LAMBDA: cc.scope {
// LAMBDA: cc.scope {
// LAMBDA: cc.loop while {
// LAMBDA: } do {
// LAMBDA: quake.rx (%{{.*}}) [%[[VAL_0]]] %{{.*}} : (f64, !quake.veq<?>, !quake.ref) -> ()
// LAMBDA: cc.continue
// LAMBDA: } step {
// LAMBDA: }
// LAMBDA: }
// LAMBDA: cc.scope {
// LAMBDA: cc.loop while {
// LAMBDA: } do {
// LAMBDA: func.call @__nvqpp__lifted.lambda.0(%{{.*}}, %[[VAL_1]], %{{.*}}) : (!cc.ptr<i32>, !quake.veq<?>, i32) -> ()
// LAMBDA: %[[VAL_28:.*]] = quake.concat %[[VAL_0]] : (!quake.veq<?>) -> !quake.veq<?>
// LAMBDA: func.call @__nvqpp__lifted.lambda.1.ctrl(%[[VAL_28]], %{{.*}}, %{{.*}}, %[[VAL_1]], %{{.*}}) : (!quake.veq<?>, !cc.ptr<i32>, i32, !quake.veq<?>, f64) -> ()
// LAMBDA: func.call @__nvqpp__lifted.lambda.0.adj(%{{.*}}, %[[VAL_1]], %{{.*}}) : (!cc.ptr<i32>, !quake.veq<?>, i32) -> ()
// LAMBDA: } step {
// LAMBDA: }
// LAMBDA: }
// LAMBDA: }
// LAMBDA: } step {
// LAMBDA: }
// LAMBDA: }
// LAMBDA: return
// LAMBDA: }
// LAMBDA-LABEL: func.func @__nvqpp__mlirgen__ctrlHeisenberg(
// LAMBDA-SAME: %{{.*}}: i32)
// LAMBDA: %[[VAL_2:.*]] = quake.alloca !quake.ref
// LAMBDA: %[[VAL_6:.*]] = quake.concat %[[VAL_2]] : (!quake.ref) -> !quake.veq<?>
// LAMBDA: call @__nvqpp__mlirgen__function_magic_func.{{.*}}.ctrl(%[[VAL_6]], %{{.*}}) : (!quake.veq<?>, !quake.veq<?>) -> ()
// LAMBDA: return
// LAMBDA: }
// LAMBDA-LABEL: func.func private @__nvqpp__lifted.lambda.0(
// LAMBDA-SAME: %[[VAL_0:.*]]: !cc.ptr<i32>, %[[VAL_1:.*]]: !quake.veq<?>, %{{.*}}: i32) {
// LAMBDA: quake.x [%{{.*}}] %{{.*}} : (!quake.ref, !quake.ref) -> ()
// LAMBDA: return
// LAMBDA: }