scalar-replacement.js

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// |jit-test| --canonicalize-nan-at-uses=on

load(libdir + "nans.js");

testWithFloatTypedArrays((FloatArray, UintArray, NaNs) => {

  var f = new FloatArray(1);

  var u = new UintArray(f.buffer);

  // Write a NaN value (with a payload).

  u[0] = NaNs[0];

  function test(ta, c) {

    // Load from typed array.

    var y = ta[0];

    // Array with scalar replacement.

    var r = [y];

    if (c) {

      // Load from scalar replaced array.

      assertEq(r[0], NaN);

  // Don't inline |test|.

  with ({});

  for (var i = 0; i <= 100; i++) {

    test(f, i == 100);

});