multiple-uses-in-single-block-with-use-at-start.js

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

function f(f64, c, fn) {

  // Load maybe non-canonical NaN.

  var x = f64[0];

  // Call function to emit guards.

  fn(0);

  // New block to move uses of |x| into a separate basic block.

  if (c) {

    // Call |fn(x)| twice to have multiple uses for |x|. Function guards from

    // |fn(0)| are reused, which requires to add |MCanonicalizeNaN| as the

    // first instruction in this basic block.

    fn(x);

    fn(x);

// Don't inline |f| into outer script.

with ({});

function g() {

  // Don't inline into |f|.

  with ({});

let f64 = new Float64Array(2);

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

  f(f64, i & 1, g);