tests/python/tirx/test_roundtrip_namespaces.py

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import tvm
from tvm.ir import assert_structural_equal
from tvm.script import tirx as T


def from_source(code):
    return tvm.script.from_source(code)


def test_roundtrip_tir_namespaces_minimal():
    # Exercise a selection of namespace ops and ensure round-trip consistency
    @T.prim_func
    def func(a_ptr: T.handle) -> None:
        A = T.match_buffer(a_ptr, (2, 2), "float16")
        T.ptx.wgmma.commit_group()
        T.cuda.cluster_sync()
        T.ptx.cp_async.wait_group(0)
        T.ptx.fence.proxy_async("shared::cta")
        T.cuda.printf("ok")
        T.nvshmem.quiet()
        T.nki.identity(A[0, 0], 1)

    code = func.script()
    roundtripped = from_source(code)
    assert roundtripped.script() == code
    assert_structural_equal(func, roundtripped)