| 1 | var v8 = {
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| 2 | statusTexts: [
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| 3 | "IsFunction",
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| 4 | "NeverOptimize",
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| 5 | "AlwaysOptimize",
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| 6 | "MaybeDeopted",
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| 7 | "Optimized",
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| 8 | "TurboFanned",
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| 9 | "Interpreted",
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| 10 | "MarkedForOptimization",
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| 11 | "MarkedForConcurrentOptimization",
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| 12 | "OptimizingConcurrently",
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| 13 | "IsExecuting",
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| 14 | "TopmostFrameIsTurboFanned",
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| 15 | "LiteMode",
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| 16 | "MarkedForDeoptimization"
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| 17 | ]
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| 18 | }
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| 19 | , assert = describe.assert
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| 20 |
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| 21 |
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| 22 | try {
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| 23 |
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| 24 |
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| 25 | if (describe.conf.v8 !== false) [ "GetOptimizationStatus", "HasFastProperties", "OptimizeFunctionOnNextCall"].map(function(name) {
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| 26 | v8[name] = Function("fn", "return %" + name+ "(fn)")
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| 27 | })
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| 28 | } catch(e) {}
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| 29 |
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| 30 | assert.isFast = v8.HasFastProperties ? function(obj) {
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| 31 | return this(v8.HasFastProperties(obj), "Should have fast properties")
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| 32 | } : assert.skip
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| 33 |
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| 34 | assert.isNotFast = v8.HasFastProperties ? function(obj) {
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| 35 | return this(!v8.HasFastProperties(obj), "Should not have fast properties")
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| 36 | } : assert.skip
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| 37 |
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| 38 | assert.isOptimized = v8.GetOptimizationStatus ? function(fn, args, scope) {
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| 39 | fn.apply(scope, args)
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| 40 | fn.apply(scope, args)
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| 41 | v8.OptimizeFunctionOnNextCall(fn)
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| 42 | fn.apply(scope, args)
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| 43 | var status = v8.GetOptimizationStatus(fn)
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| 44 | , statusText = v8.statusTexts.filter(function(val, i) {
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| 45 | return status & (1<<i)
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| 46 | }).join(", ")
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| 47 |
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| 48 | return this(
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| 49 | status & (16|32),
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| 50 | "Status " + status + " = " + statusText
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| 51 | )
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| 52 | } : assert.skip
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| 53 |
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