tests/python/tir-base/test_tir_stmt_functor_substitute.py

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#
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import tvm
import tvm.testing

from tvm.script import tir as T
from tvm.tir.stmt_functor import substitute


class BaseCompare(tvm.testing.CompareBeforeAfter):
    def transform(self):
        def inner(mod):
            func = mod["main"]
            vmap = {func.params[0]: 16}
            new_func = tvm.tir.PrimFunc(params=[], body=substitute(func.body, vmap))
            return tvm.IRModule.from_expr(new_func)

        return inner


class TestBasicSubstitute(BaseCompare):
    def before(n: T.int32):
        for i in range(n):
            T.evaluate(i)

    def expected():
        for i in range(16):
            T.evaluate(i)


class TestSubstituteAllocate(BaseCompare):
    def before(n: T.int32):
        A_data = T.allocate([n], "float32")
        T.evaluate(A_data)

    def expected():
        A_data = T.allocate([16], "float32")
        T.evaluate(A_data)


class TestSubstituteBufferLoad(BaseCompare):
    def before(n: T.int32):
        A_data = T.allocate([n], "float32")
        A = T.Buffer(n, "float32", data=A_data)
        for i in range(n):
            T.evaluate(A[i])

    def expected():
        A_data = T.allocate([16], "float32")
        A = T.Buffer(16, "float32", data=A_data)
        for i in range(16):
            T.evaluate(A[i])


class TestSubstituteDeclBuffer(BaseCompare):
    def before(n: T.int32):
        A_data = T.allocate([n], "float32")
        A = T.decl_buffer(n, "float32", data=A_data)
        T.evaluate(A.data)

    def expected():
        A_data = T.allocate([16], "float32")
        A = T.decl_buffer(16, "float32", data=A_data)
        T.evaluate(A.data)


if __name__ == "__main__":
    tvm.testing.main()