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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 cmpxchg operation is inlined as it should be
// - loads and stores are not moved across the cmpxchg
//
// Be sure to run with --ion-eager --ion-offthread-compile=off.
function cmpxchg(ta) {
var x = ta[0];
Atomics.compareExchange(ta, 86, 37, 42);
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 += cmpxchg(ia);
//print(v);
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