code-coverage-block-noopt.js 1.52 KB
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// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

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// Flags: --allow-natives-syntax --no-always-turbofan --no-stress-flush-code
// Flags: --no-turbofan
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// Files: test/mjsunit/code-coverage-utils.js

%DebugToggleBlockCoverage(true);

TestCoverage(
"optimized and inlined functions",
`
function g() { if (true) nop(); }         // 0000
function f() { g(); g(); }                // 0050
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%PrepareFunctionForOptimization(f);       // 0100
f(); f(); %OptimizeFunctionOnNextCall(f); // 0150
f(); f(); f(); f(); f(); f();             // 0200
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`,
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[{"start":0,"end":249,"count":1},
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 {"start":0,"end":33,"count":16},
 {"start":50,"end":76,"count":8}]
);

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// In contrast to the corresponding test in -opt.js, f is not optimized here
// and therefore reports its invocation count correctly.
TestCoverage("Partial coverage collection",
`
!function() {                             // 0000
  function f(x) {                         // 0050
    if (x) { nop(); } else { nop(); }     // 0100
  }                                       // 0150
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  %PrepareFunctionForOptimization(f);     // 0200
  f(true); f(true);                       // 0250
  %OptimizeFunctionOnNextCall(f);         // 0300
  %DebugCollectCoverage();                // 0350
  f(false);                               // 0400
}();                                      // 0450
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`,
[{"start":52,"end":153,"count":1},
 {"start":111,"end":121,"count":0}]
);


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%DebugToggleBlockCoverage(false);