gistfile1.txt

shu@pikashu ~/moz/inbound/js/src/jit-test
% cat lib/jitopts.js 
function withJitOptions(opts, fn) {
  var oldOpts = getJitCompilerOptions();
  for (var k in opts)
    setJitCompilerOption(k, opts[k]);
  fn();
  for (var k in oldOpts)
    setJitCompilerOption(k, oldOpts[k]);
}

// N.B. Ion opts *must come before* baseline opts because there's some kind of
// "undo eager compilation" logic. If we don't set the baseline usecount
// *after* the Ion usecount we end up setting the baseline usecount to be the
// default if we hit the "undo eager compilation" logic.
var Opts_BaselineOnlyEagerNoParallelCompilation =
    {
      'type-inference.enable': 1,
      'ion.enable': 0,
      'ion.usecount.trigger': 0,
      'baseline.enable': 1,
      'baseline.usecount.trigger': 0,
      'parallel-compilation.enable': 0
    };

var Opts_IonEagerNoParallelCompilation =
    {
      'type-inference.enable': 1,
      'ion.enable': 1,
      'ion.usecount.trigger': 0,
      'baseline.enable': 1,
      'baseline.usecount.trigger': 0,
      'parallel-compilation.enable': 0,
    };

var Opts_Ion2NoParallelCompilation =
    {
      'type-inference.enable': 1,
      'ion.enable': 1,
      'ion.usecount.trigger': 2,
      'baseline.enable': 1,
      'baseline.usecount.trigger': 1,
      'parallel-compilation.enable': 0
    };

var Opts_NoJits =
    {
      'type-inference.enable': 1,
      'ion.enable': 0,
      'ion.usecount.trigger': 0,
      'baseline.usecount.trigger': 0,
      'baseline.enable': 0,
      'parallel-compilation.enable': 0
    };
shu@pikashu ~/moz/inbound/js/src/jit-test
% cat tests/debug/Frame-repr-02.js         
// |jit-test| exitstatus: 6;
//
// Debugger.Frames for optimized frames.

load(libdir + "jitopts.js");

function assertOptimizedFrame(f) {
  assertEq(f.repr == "optimized" || f.repr == "optimized-inlined", true);
}

function test(p) {
  return function () {
    var g = newGlobal();
    var dbg = new Debugger;

    g.eval("function f(d) { g(d); }");
    g.eval("function g(d) { h(d); }");
    g.eval("function h(d) { while (d); }");

    timeout(1, function () {
      dbg.addDebuggee(g);
      var frame = dbg.getNewestFrame();
      // The oldest frame is probably not Ion-compiled.
      for (var i = 0; i < 3; i++) {
        p(frame);
        frame = frame.older;
      }
    });

    g.eval("for (i = 0; i < 5; i++) f(false); f(true);");
  }
}

withJitOptions(Opts_Ion2NoParallelCompilation, test(assertOptimizedFrame));