Function buildModuleBytes

deps/v8/test/inspector/cpu-profiler/console-profile-wasm.js:15–38

()

// reused from the cache.
let sentinel = 0;
function buildModuleBytes() {
  ++sentinel;
  InspectorTest.log(`Building wasm module with sentinel ${sentinel}.`);
  // Add fibonacci function, calling back and forth between JS and Wasm to also
  // check for the occurrence of the wrappers.
  var builder = new WasmModuleBuilder();
  const imp_index = builder.addImport('q', 'f', kSig_i_i);
  builder.addFunction('fib', kSig_i_i)
      .addBody([
        ...wasmI32Const(sentinel), kExprDrop,
        kExprLocalGet, 0,
        kExprLocalGet, 0,
        kExprI32Const, 2,
        kExprI32LeS,  // i < 2 ?
        kExprBrIf, 0, // --> return i
        kExprI32Const, 1, kExprI32Sub,  // i - 1
        kExprCallFunction, imp_index, // imp(i - 1)
        kExprLocalGet, 0, kExprI32Const, 2, kExprI32Sub,  // i - 2
        kExprCallFunction, imp_index, // imp(i - 2)
        kExprI32Add
      ])
      .exportFunc();
  return builder.toArray();
}

function instantiate(bytes) {
  let buffer = new ArrayBuffer(bytes.length);