compiler: Revamp code generation for asynchronous operations #6693

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	33m 15s
pytest-ubuntu-py311-gcc11-noomp-adjoint	28m 45s
pytest-ubuntu-py38-gcc12-omp-base	34m 2s
pytest-ubuntu-py38-gcc12-omp-adjoint	27m 59s
pytest-ubuntu-py38-gcc7-omp-base	33m 26s
pytest-ubuntu-py38-gcc7-omp-adjoint	27m 1s
pytest-ubuntu-py310-gcc10-noomp-base	33m 13s
pytest-ubuntu-py310-gcc10-noomp-adjoint	28m 46s
pytest-ubuntu-py312-gcc13-omp-base	43m 29s
pytest-ubuntu-py312-gcc13-omp-adjoint	36m 21s
pytest-ubuntu-py39-gcc9-omp-base	32m 29s
pytest-ubuntu-py39-gcc9-omp-adjoint	27m 56s
pytest-osx-py312-clang-omp-base	1m 32s
pytest-docker-py39-gcc-omp-base	33m 33s
pytest-docker-py39-gcc-omp-adjoint	26m 8s
pytest-docker-py39-icx-omp-base	28m 8s
pytest-docker-py39-icx-omp-adjoint	25m 44s
	8h 21m 47s

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