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author | Fedor Indutny <fedor.indutny@gmail.com> | 2014-03-13 20:45:44 +0400 |
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committer | Fedor Indutny <fedor.indutny@gmail.com> | 2014-03-13 20:56:54 +0400 |
commit | 1c7bf245dc2d520c005e01bcb56ecb3275971395 (patch) | |
tree | 34d8160c98bd8dd33757252d87a0f6586fea8213 /deps/v8/test/mjsunit/switch-opt.js | |
parent | 93c3674ff7115fb2a3dbb5b4ffd22f4d5ed9a472 (diff) | |
download | android-node-v8-1c7bf245dc2d520c005e01bcb56ecb3275971395.tar.gz android-node-v8-1c7bf245dc2d520c005e01bcb56ecb3275971395.tar.bz2 android-node-v8-1c7bf245dc2d520c005e01bcb56ecb3275971395.zip |
deps: update v8 to 3.24.40
Diffstat (limited to 'deps/v8/test/mjsunit/switch-opt.js')
-rw-r--r-- | deps/v8/test/mjsunit/switch-opt.js | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/switch-opt.js b/deps/v8/test/mjsunit/switch-opt.js new file mode 100644 index 0000000000..c1d5d38374 --- /dev/null +++ b/deps/v8/test/mjsunit/switch-opt.js @@ -0,0 +1,221 @@ +// 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: --allow-natives-syntax + +(function() { + var result = []; + var x = 0; + + function branch(b) { + if (b == "deopt") { + %DeoptimizeFunction(f); + return "c"; + } + + return b ? "a" : "b"; + } + + function f(label, b1, b2, b3) { + switch (label) { + case "string": + result.push(1); + break; + case branch(b1) + branch(b2): + result.push(2); + break; + case 10: + result.push(3); + break; + default: + branch(b3); + result.push(4); + break; + case x++: + branch(b3); + result.push(5); + break; + } + } + + function assertResult(r, label, b1, b2, b3) { + f(label, b1, b2, b3); + assertEquals(result, r); + result = []; + } + + // Warmup. + assertResult([2], "aa", true, true); + assertResult([2], "ab", true, false); + assertResult([2], "ba", false, true); + assertResult([2], "bb", false, false); + assertEquals(0, x); + assertResult([4], "other"); + assertEquals(1, x); + assertResult([5], 1, true, true); + assertResult([4], 1, true, true); + assertResult([5], 3, true, true); + assertResult([4], 3, true, true); + assertResult([5], 5, true, true); + assertResult([4], 5, true, true); + assertEquals(7, x); + + // Test regular behavior. + %OptimizeFunctionOnNextCall(f); + assertResult([2], "aa", true, true); + assertResult([1], "string"); + assertResult([4], "other"); + assertEquals(8, x); + assertResult([5], 8); + assertEquals(9, x); + + // Test deopt at the beginning of the case label evaluation. + assertResult([2], "ca", "deopt", true); + %OptimizeFunctionOnNextCall(f); + assertResult([4], "ca", "deopt", false); + assertEquals(10, x); + %OptimizeFunctionOnNextCall(f); + + // Test deopt in the middle of the case label evaluation. + assertResult([2], "ac", true, "deopt"); + %OptimizeFunctionOnNextCall(f); + assertResult([4], "ac", false, "deopt"); + assertEquals(11, x); + + // Test deopt in the default case. + %OptimizeFunctionOnNextCall(f); + print("here"); + assertResult([4], 10000, false, false, "deopt"); + assertEquals(12, x); + + // Test deopt in the default case. + %OptimizeFunctionOnNextCall(f); + assertResult([4], 10000, false, false, "deopt"); + assertEquals(13, x); + + // Test deopt in x++ case. + %OptimizeFunctionOnNextCall(f); + assertResult([5], 13, false, false, "deopt"); + assertEquals(14, x); +})(); + + +(function() { + var result = []; + var x = 0; + + function branch(b) { + if (b == "deopt") { + %DeoptimizeFunction(f); + return "c"; + } + + return b ? "a" : "b"; + } + + function f(label, b1, b2, b3) { + switch (label) { + case "string": + result.push(1); + break; + case branch(b1) + branch(b2): + result.push(2); + // Fall through. + case 10: + result.push(3); + break; + default: + branch(b3); + result.push(4); + // Fall through. + case x++: + branch(b3); + result.push(5); + break; + } + } + + function assertResult(r, label, b1, b2, b3) { + f(label, b1, b2, b3); + assertEquals(r, result); + result = []; + } + + // Warmup. + assertResult([2,3], "aa", true, true); + assertResult([2,3], "ab", true, false); + assertResult([2,3], "ba", false, true); + assertResult([2,3], "bb", false, false); + assertEquals(0, x); + assertResult([4,5], "other"); + assertEquals(1, x); + assertResult([5], 1, true, true); + assertResult([4,5], 1, true, true); + assertResult([5], 3, true, true); + assertResult([4,5], 3, true, true); + assertResult([5], 5, true, true); + assertResult([4,5], 5, true, true); + assertEquals(7, x); + + // Test regular behavior. + %OptimizeFunctionOnNextCall(f); + assertResult([2,3], "aa", true, true); + assertResult([1], "string"); + assertResult([4,5], "other"); + assertEquals(8, x); + assertResult([5], 8); + assertEquals(9, x); + + // Test deopt at the beginning of the case label evaluation. + assertResult([2,3], "ca", "deopt", true); + %OptimizeFunctionOnNextCall(f); + assertResult([4,5], "ca", "deopt", false); + assertEquals(10, x); + %OptimizeFunctionOnNextCall(f); + + // Test deopt in the middle of the case label evaluation. + assertResult([2,3], "ac", true, "deopt"); + %OptimizeFunctionOnNextCall(f); + assertResult([4,5], "ac", false, "deopt"); + assertEquals(11, x); + + // Test deopt in the default case. + %OptimizeFunctionOnNextCall(f); + print("here"); + assertResult([4,5], 10000, false, false, "deopt"); + assertEquals(12, x); + + // Test deopt in the default case. + %OptimizeFunctionOnNextCall(f); + assertResult([4,5], 10000, false, false, "deopt"); + assertEquals(13, x); + + // Test deopt in x++ case. + %OptimizeFunctionOnNextCall(f); + assertResult([5], 13, false, false, "deopt"); + assertEquals(14, x); +})(); |