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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
| 15 // | 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 // Flags: --allow-natives-syntax |
| 29 |
| 28 var global = 0; | 30 var global = 0; |
| 29 var MAX = 1000000; | 31 var MAX = 5; |
| 30 | 32 |
| 31 // Attempt to inline strcit in non-strict. | 33 // Attempt to inline strcit in non-strict. |
| 32 | 34 |
| 33 function strictToBeInlined(n) { | 35 function strictToBeInlined(n) { |
| 34 "use strict"; | 36 "use strict"; |
| 35 global = "strict"; | 37 global = "strict"; |
| 36 if (n == MAX) { undefined_variable_strict = "value"; } | 38 if (n == MAX) { undefined_variable_strict = "value"; } |
| 37 } | 39 } |
| 38 | 40 |
| 39 function nonstrictCallStrict(n) { | 41 function nonstrictCallStrict(n) { |
| 40 strictToBeInlined(n); | 42 strictToBeInlined(n); |
| 41 } | 43 } |
| 42 | 44 |
| 43 (function testInlineStrictInNonStrict() { | 45 (function testInlineStrictInNonStrict() { |
| 44 for (var i = 0; i <= MAX; i ++) { | 46 for (var i = 0; i <= MAX; i ++) { |
| 45 try { | 47 try { |
| 48 if (i == MAX - 1) %OptimizeFunctionOnNextCall(nonstrictCallStrict); |
| 46 nonstrictCallStrict(i); | 49 nonstrictCallStrict(i); |
| 47 } catch (e) { | 50 } catch (e) { |
| 48 assertInstanceof(e, ReferenceError); | 51 assertInstanceof(e, ReferenceError); |
| 49 assertEquals(MAX, i); | 52 assertEquals(MAX, i); |
| 50 return; | 53 return; |
| 51 } | 54 } |
| 52 } | 55 } |
| 53 fail("ReferenceError after MAX iterations", "no exception"); | 56 fail("ReferenceError after MAX iterations", "no exception"); |
| 54 })(); | 57 })(); |
| 55 | 58 |
| 56 // Attempt to inline non-strict in strict. | 59 // Attempt to inline non-strict in strict. |
| 57 | 60 |
| 58 function nonstrictToBeInlined(n) { | 61 function nonstrictToBeInlined(n) { |
| 59 global = "nonstrict"; | 62 global = "nonstrict"; |
| 60 if (n == MAX) { undefined_variable_nonstrict = "The nonstrict value"; } | 63 if (n == MAX) { undefined_variable_nonstrict = "The nonstrict value"; } |
| 61 } | 64 } |
| 62 | 65 |
| 63 function strictCallNonStrict(n) { | 66 function strictCallNonStrict(n) { |
| 64 "use strict"; | 67 "use strict"; |
| 65 nonstrictToBeInlined(n); | 68 nonstrictToBeInlined(n); |
| 66 } | 69 } |
| 67 | 70 |
| 68 (function testInlineNonStrictInStrict() { | 71 (function testInlineNonStrictInStrict() { |
| 69 for (var i = 0; i <= MAX; i ++) { | 72 for (var i = 0; i <= MAX; i ++) { |
| 70 try { | 73 try { |
| 74 if (i == MAX - 1) %OptimizeFunctionOnNextCall(nonstrictCallStrict); |
| 71 strictCallNonStrict(i); | 75 strictCallNonStrict(i); |
| 72 } catch (e) { | 76 } catch (e) { |
| 73 fail("no exception", "exception"); | 77 fail("no exception", "exception"); |
| 74 } | 78 } |
| 75 } | 79 } |
| 76 assertEquals("The nonstrict value", undefined_variable_nonstrict); | 80 assertEquals("The nonstrict value", undefined_variable_nonstrict); |
| 77 })(); | 81 })(); |
| 78 | 82 |
| 79 // Optimize strict function. | 83 // Optimize strict function. |
| 80 | 84 |
| 81 function strictAssignToUndefined(n) { | 85 function strictAssignToUndefined(n) { |
| 82 "use strict"; | 86 "use strict"; |
| 83 global = "strict"; | 87 global = "strict"; |
| 84 if (n == MAX) { undefined_variable_strict_2 = "value"; } | 88 if (n == MAX) { undefined_variable_strict_2 = "value"; } |
| 85 } | 89 } |
| 86 | 90 |
| 87 (function testOptimizeStrictAssignToUndefined() { | 91 (function testOptimizeStrictAssignToUndefined() { |
| 88 for (var i = 0; i <= MAX; i ++) { | 92 for (var i = 0; i <= MAX; i ++) { |
| 89 try { | 93 try { |
| 94 if (i == MAX - 1) %OptimizeFunctionOnNextCall(nonstrictCallStrict); |
| 90 strictAssignToUndefined(i); | 95 strictAssignToUndefined(i); |
| 91 } catch (e) { | 96 } catch (e) { |
| 92 assertInstanceof(e, ReferenceError); | 97 assertInstanceof(e, ReferenceError); |
| 93 assertEquals(MAX, i); | 98 assertEquals(MAX, i); |
| 94 return; | 99 return; |
| 95 } | 100 } |
| 96 } | 101 } |
| 97 fail("ReferenceError after MAX iterations", "no exception"); | 102 fail("ReferenceError after MAX iterations", "no exception"); |
| 98 })(); | 103 })(); |
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