bug2068386.js - mozsearch

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const K = 105;

const V = 58;

let body = [];

for (let k = 0; k < K; k++) {

  let init = [];

  let rot = [];

  let sum = ["(local.get 1)"];

  for (let i = 0; i < V; i++) {

    init.push(`(local.set ${i + 1} (i32.const ${k * 1000 + i + 1}))`);

    rot.push(`(local.set ${i + 1} (local.get ${((i + 1) % V) + 1}))`);

    if (i > 0) sum.push(`(local.get ${i + 1}) (i32.add)`);

  body.push(`

    ${init.join(" ")}

    (local.set 0 (local.get ${V + 1}))

    (loop $l${k}

      ${rot.join(" ")}

      (br_if $l${k} (local.tee 0 (i32.sub (local.get 0) (i32.const 1))))

    ${sum.join(" ")}

    (local.set ${V + 2} (i32.add (local.get ${V + 2})))

`);

const wat = `(module

  (func (export "run") (param i32) (result i32)

    (local ${Array(V + 2).fill("i32").join(" ")})

    (local.set ${V + 1} (local.get 0))

    ${body.join("\n")}

    (local.get ${V + 2})

)`;

const inst = wasmEvalText(wat);