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authorFedor Indutny <fedor.indutny@gmail.com>2014-03-13 20:45:44 +0400
committerFedor Indutny <fedor.indutny@gmail.com>2014-03-13 20:56:54 +0400
commit1c7bf245dc2d520c005e01bcb56ecb3275971395 (patch)
tree34d8160c98bd8dd33757252d87a0f6586fea8213 /deps/v8/test/mjsunit/switch-opt.js
parent93c3674ff7115fb2a3dbb5b4ffd22f4d5ed9a472 (diff)
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deps: update v8 to 3.24.40
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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: --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);
+})();