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			59 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2012 the V8 project authors. All rights reserved.
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| // Redistribution and use in source and binary forms, with or without
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| // modification, are permitted provided that the following conditions are
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| // met:
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| //
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| //     * Redistributions of source code must retain the above copyright
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| //       notice, this list of conditions and the following disclaimer.
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| //     * Redistributions in binary form must reproduce the above
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| //       copyright notice, this list of conditions and the following
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| //       disclaimer in the documentation and/or other materials provided
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| //       with the distribution.
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| //     * Neither the name of Google Inc. nor the names of its
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| //       contributors may be used to endorse or promote products derived
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| //       from this software without specific prior written permission.
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| //
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| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 
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| // Flags: --allow-natives-syntax
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| 
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| function bozo() {};
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| function MakeClosure() {
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|   return function f(use_literals) {
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|     if (use_literals) {
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|       return [1,2,3,3,4,5,6,7,8,9,bozo];
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|     } else {
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|       return 0;
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|     }
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|   }
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| }
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| 
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| // Create two closures that share the same literal boilerplates.
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| var closure1 = MakeClosure();
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| var closure2 = MakeClosure();
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| var expected = [1,2,3,3,4,5,6,7,8,9,bozo];
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| 
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| // Make sure we generate optimized code for the first closure after
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| // warming it up properly so that the literals boilerplate is generated
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| // and the optimized code uses CreateArrayLiteralShallow runtime call.
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| assertEquals(0, closure1(false));
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| assertEquals(expected, closure1(true));
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| %OptimizeFunctionOnNextCall(closure1);
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| assertEquals(expected, closure1(true));
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| 
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| // Optimize the second closure, which should reuse the optimized code
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| // from the first closure with the same literal boilerplates.
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| assertEquals(0, closure2(false));
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| %OptimizeFunctionOnNextCall(closure2);
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| assertEquals(expected, closure2(true));
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