web/tests/python/prepare_test_libs.py

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# Prepare test library for standalone wasm runtime test.

import tvm
from tvm import te
from tvm.contrib import emcc
import os


def prepare_test_libs(base_path):
    target = "llvm -mtriple=wasm32-unknown-unknown-wasm -system-lib"
    if not tvm.runtime.enabled(target):
        raise RuntimeError("Target %s is not enbaled" % target)
    n = te.var("n")
    A = te.placeholder((n,), name="A")
    B = te.compute(A.shape, lambda *i: A(*i) + 1.0, name="B")
    s = te.create_schedule(B.op)
    fadd = tvm.build(s, [A, B], target, name="add_one")

    wasm_path = os.path.join(base_path, "test_addone.wasm")
    fadd.export_library(wasm_path, emcc.create_tvmjs_wasm)


if __name__ == "__main__":
    curr_path = os.path.dirname(os.path.abspath(os.path.expanduser(__file__)))
    prepare_test_libs(os.path.join(curr_path, "../../dist/wasm"))