diff options
Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/allocation-site-info.js')
| -rw-r--r-- | src/3rdparty/v8/test/mjsunit/allocation-site-info.js | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/allocation-site-info.js b/src/3rdparty/v8/test/mjsunit/allocation-site-info.js deleted file mode 100644 index d57fd32..0000000 --- a/src/3rdparty/v8/test/mjsunit/allocation-site-info.js +++ /dev/null @@ -1,272 +0,0 @@ -// 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 --smi-only-arrays --expose-gc -// Flags: --track-allocation-sites --nooptimize-constructed-arrays - -// TODO(mvstanton): remove --nooptimize-constructed-arrays and enable -// the constructed array code below when the feature is turned on -// by default. - -// Test element kind of objects. -// Since --smi-only-arrays affects builtins, its default setting at compile -// time sticks if built with snapshot. If --smi-only-arrays is deactivated -// by default, only a no-snapshot build actually has smi-only arrays enabled -// in this test case. Depending on whether smi-only arrays are actually -// enabled, this test takes the appropriate code path to check smi-only arrays. - -support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6,7,8)); -optimize_constructed_arrays = false; - -if (support_smi_only_arrays) { - print("Tests include smi-only arrays."); -} else { - print("Tests do NOT include smi-only arrays."); -} - -if (optimize_constructed_arrays) { - print("Tests include constructed array optimizations."); -} else { - print("Tests do NOT include constructed array optimizations."); -} - -var elements_kind = { - fast_smi_only : 'fast smi only elements', - fast : 'fast elements', - fast_double : 'fast double elements', - dictionary : 'dictionary elements', - external_byte : 'external byte elements', - external_unsigned_byte : 'external unsigned byte elements', - external_short : 'external short elements', - external_unsigned_short : 'external unsigned short elements', - external_int : 'external int elements', - external_unsigned_int : 'external unsigned int elements', - external_float : 'external float elements', - external_double : 'external double elements', - external_pixel : 'external pixel elements' -} - -function getKind(obj) { - if (%HasFastSmiElements(obj)) return elements_kind.fast_smi_only; - if (%HasFastObjectElements(obj)) return elements_kind.fast; - if (%HasFastDoubleElements(obj)) return elements_kind.fast_double; - if (%HasDictionaryElements(obj)) return elements_kind.dictionary; -} - -function isHoley(obj) { - if (%HasFastHoleyElements(obj)) return true; - return false; -} - -function assertKind(expected, obj, name_opt) { - if (!support_smi_only_arrays && - expected == elements_kind.fast_smi_only) { - expected = elements_kind.fast; - } - assertEquals(expected, getKind(obj), name_opt); -} - -function assertHoley(obj, name_opt) { - assertEquals(true, isHoley(obj), name_opt); -} - -function assertNotHoley(obj, name_opt) { - assertEquals(false, isHoley(obj), name_opt); -} - -if (support_smi_only_arrays) { - - obj = []; - assertNotHoley(obj); - assertKind(elements_kind.fast_smi_only, obj); - - obj = [1, 2, 3]; - assertNotHoley(obj); - assertKind(elements_kind.fast_smi_only, obj); - - obj = new Array(); - assertNotHoley(obj); - assertKind(elements_kind.fast_smi_only, obj); - - obj = new Array(0); - assertNotHoley(obj); - assertKind(elements_kind.fast_smi_only, obj); - - obj = new Array(2); - assertHoley(obj); - assertKind(elements_kind.fast_smi_only, obj); - - obj = new Array(1,2,3); - assertNotHoley(obj); - assertKind(elements_kind.fast_smi_only, obj); - - obj = new Array(1, "hi", 2, undefined); - assertNotHoley(obj); - assertKind(elements_kind.fast, obj); - - function fastliteralcase(literal, value) { - literal[0] = value; - return literal; - } - - function get_standard_literal() { - var literal = [1, 2, 3]; - return literal; - } - - // Case: [1,2,3] as allocation site - obj = fastliteralcase(get_standard_literal(), 1); - assertKind(elements_kind.fast_smi_only, obj); - obj = fastliteralcase(get_standard_literal(), 1.5); - assertKind(elements_kind.fast_double, obj); - obj = fastliteralcase(get_standard_literal(), 2); - assertKind(elements_kind.fast_double, obj); - - obj = fastliteralcase([5, 3, 2], 1.5); - assertKind(elements_kind.fast_double, obj); - obj = fastliteralcase([3, 6, 2], 1.5); - assertKind(elements_kind.fast_double, obj); - obj = fastliteralcase([2, 6, 3], 2); - assertKind(elements_kind.fast_smi_only, obj); - - // Verify that we will not pretransition the double->fast path. - obj = fastliteralcase(get_standard_literal(), "elliot"); - assertKind(elements_kind.fast, obj); - // This fails until we turn off optimistic transitions to the - // most general elements kind seen on keyed stores. It's a goal - // to turn it off, but for now we need it. - // obj = fastliteralcase(3); - // assertKind(elements_kind.fast_double, obj); - - function fastliteralcase_smifast(value) { - var literal = [1, 2, 3, 4]; - literal[0] = value; - return literal; - } - - obj = fastliteralcase_smifast(1); - assertKind(elements_kind.fast_smi_only, obj); - obj = fastliteralcase_smifast("carter"); - assertKind(elements_kind.fast, obj); - obj = fastliteralcase_smifast(2); - assertKind(elements_kind.fast, obj); - - if (optimize_constructed_arrays) { - function newarraycase_smidouble(value) { - var a = new Array(); - a[0] = value; - return a; - } - - // Case: new Array() as allocation site, smi->double - obj = newarraycase_smidouble(1); - assertKind(elements_kind.fast_smi_only, obj); - obj = newarraycase_smidouble(1.5); - assertKind(elements_kind.fast_double, obj); - obj = newarraycase_smidouble(2); - assertKind(elements_kind.fast_double, obj); - - function newarraycase_smiobj(value) { - var a = new Array(); - a[0] = value; - return a; - } - - // Case: new Array() as allocation site, smi->fast - obj = newarraycase_smiobj(1); - assertKind(elements_kind.fast_smi_only, obj); - obj = newarraycase_smiobj("gloria"); - assertKind(elements_kind.fast, obj); - obj = newarraycase_smiobj(2); - assertKind(elements_kind.fast, obj); - - function newarraycase_length_smidouble(value) { - var a = new Array(3); - a[0] = value; - return a; - } - - // Case: new Array(length) as allocation site - obj = newarraycase_length_smidouble(1); - assertKind(elements_kind.fast_smi_only, obj); - obj = newarraycase_length_smidouble(1.5); - assertKind(elements_kind.fast_double, obj); - obj = newarraycase_length_smidouble(2); - assertKind(elements_kind.fast_double, obj); - - // Try to continue the transition to fast object, but - // we will not pretransition from double->fast, because - // it may hurt performance ("poisoning"). - obj = newarraycase_length_smidouble("coates"); - assertKind(elements_kind.fast, obj); - obj = newarraycase_length_smidouble(2.5); - // However, because of optimistic transitions, we will - // transition to the most general kind of elements kind found, - // therefore I can't count on this assert yet. - // assertKind(elements_kind.fast_double, obj); - - function newarraycase_length_smiobj(value) { - var a = new Array(3); - a[0] = value; - return a; - } - - // Case: new Array(<length>) as allocation site, smi->fast - obj = newarraycase_length_smiobj(1); - assertKind(elements_kind.fast_smi_only, obj); - obj = newarraycase_length_smiobj("gloria"); - assertKind(elements_kind.fast, obj); - obj = newarraycase_length_smiobj(2); - assertKind(elements_kind.fast, obj); - - function newarraycase_list_smidouble(value) { - var a = new Array(1, 2, 3); - a[0] = value; - return a; - } - - obj = newarraycase_list_smidouble(1); - assertKind(elements_kind.fast_smi_only, obj); - obj = newarraycase_list_smidouble(1.5); - assertKind(elements_kind.fast_double, obj); - obj = newarraycase_list_smidouble(2); - assertKind(elements_kind.fast_double, obj); - - function newarraycase_list_smiobj(value) { - var a = new Array(4, 5, 6); - a[0] = value; - return a; - } - - obj = newarraycase_list_smiobj(1); - assertKind(elements_kind.fast_smi_only, obj); - obj = newarraycase_list_smiobj("coates"); - assertKind(elements_kind.fast, obj); - obj = newarraycase_list_smiobj(2); - assertKind(elements_kind.fast, obj); - } -} |