inline-add.js - mozsearch

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// |jit-test| slow;

//

// This is intended to be run manually with IONFLAGS=logs and

// postprocessing by iongraph to verify manually (by inspecting the

// MIR) that:

//

//  - the add operation is inlined as it should be

//  - loads and stores are not moved across the add

//

// Be sure to run with --ion-eager --ion-offthread-compile=off.

function add(ta) {

    var x = ta[0];

    Atomics.add(ta, 86, 6);

    var y = ta[1];

    var z = y + 1;

    var w = x + z;

    return w;

var sab = new SharedArrayBuffer(4096);

var ia = new Int32Array(sab);

for ( var i=0, limit=ia.length ; i < limit ; i++ )

    ia[i] = 37;

var v = 0;

for ( var i=0 ; i < 1000 ; i++ )

    v += add(ia);

//print(v);