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Diffstat (limited to 'deps/v8/test/mjsunit/compiler/manual-concurrent-recompile.js')
-rw-r--r-- | deps/v8/test/mjsunit/compiler/manual-concurrent-recompile.js | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/compiler/manual-concurrent-recompile.js b/deps/v8/test/mjsunit/compiler/manual-concurrent-recompile.js new file mode 100644 index 0000000000..b2b63988ba --- /dev/null +++ b/deps/v8/test/mjsunit/compiler/manual-concurrent-recompile.js @@ -0,0 +1,67 @@ +// Copyright 2012 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: --allow-natives-syntax --expose-gc +// Flags: --concurrent-recompilation --block-concurrent-recompilation + +if (!%IsConcurrentRecompilationSupported()) { + print("Concurrent recompilation is disabled. Skipping this test."); + quit(); +} + +function f(x) { + var xx = x * x; + var xxstr = xx.toString(); + return xxstr.length; +} + +function g(x) { + var xxx = Math.sqrt(x) | 0; + var xxxstr = xxx.toString(); + return xxxstr.length; +} + +function k(x) { + return x * x; +} + +f(g(1)); +assertUnoptimized(f); +assertUnoptimized(g); + +%OptimizeFunctionOnNextCall(f, "concurrent"); +%OptimizeFunctionOnNextCall(g, "concurrent"); +f(g(2)); // Kick off recompilation. + +assertUnoptimized(f, "no sync"); // Not yet optimized since recompilation +assertUnoptimized(g, "no sync"); // is still blocked. + +// Let concurrent recompilation proceed. +%UnblockConcurrentRecompilation(); + +assertOptimized(f, "sync"); // Optimized once we sync with the +assertOptimized(g, "sync"); // background thread. |