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// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --track-fields --track-double-fields --allow-natives-syntax
// Flags: --concurrent-recompilation --block-concurrent-recompilation
// Flags: --no-always-opt
if (!%IsConcurrentRecompilationSupported()) {
print("Concurrent recompilation is disabled. Skipping this test.");
quit();
}
function new_object() {
var o = {};
o.a = 1;
o.b = 2;
return o;
}
function add_field(obj) {
// Assign twice to make the field non-constant.
// TODO(ishell): update test once constant field tracking is done.
obj.c = 0;
obj.c = 3;
}
%PrepareFunctionForOptimization(add_field);
var obj1 = new_object();
var obj2 = new_object();
add_field(obj1);
add_field(obj2);
%OptimizeFunctionOnNextCall(add_field, "concurrent");
var o = new_object();
// Kick off recompilation.
add_field(o);
// Invalidate transition map after compile graph has been created.
o.c = 2.2;
// In the mean time, concurrent recompiling is still blocked.
assertUnoptimized(add_field, "no sync");
// Let concurrent recompilation proceed.
%UnblockConcurrentRecompilation();
// Sync with background thread to conclude optimization that bailed out.
assertUnoptimized(add_field, "sync");
// Clear type info for stress runs.
%ClearFunctionFeedback(add_field);
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