Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --allow-natives-syntax --array-bounds-checks-elimination |
| 6 | |
| 7 | var a = [] |
| 8 | for (var i = 0; i < 9; i++) a[i] = i + 1; |
| 9 | |
| 10 | function test(f, arg1, arg2, expected) { |
| 11 | assertEquals(expected, f(arg1)); |
| 12 | f(arg2); |
| 13 | %OptimizeFunctionOnNextCall(f); |
| 14 | assertEquals(expected, f(arg1)); |
| 15 | } |
| 16 | |
| 17 | test(function f0() { |
| 18 | return a[7] * a[6] * a[5] * a[4] * a[3] * a[2] * a[1] * a[0]; |
| 19 | }, 0, 1, 40320); |
| 20 | |
| 21 | test(function f1() { |
| 22 | return a[7] * a[6] * a[5] * a[4] * a[10] * a[2] * a[1] * a[0]; |
| 23 | }, 0, 1, NaN); |
| 24 | |
| 25 | test(function f2() { |
| 26 | return a[0] * a[1] * a[2] * a[3] * a[4] * a[5] * a[6] * a[7]; |
| 27 | }, 0, 1, 40320); |
| 28 | |
| 29 | test(function f3() { |
| 30 | return a[3] * a[0] * a[6] * a[7] * a[5] * a[1] * a[4] * a[2]; |
| 31 | }, 0, 1, 40320); |
| 32 | |
| 33 | test(function f4(b) { |
| 34 | return a[b+3] * a[0] * a[b+6] * a[7] * a[b+5] * a[1] * a[b+4] * a[2]; |
| 35 | }, 0, 1, 40320); |
| 36 | |
| 37 | test(function f5(b) { |
| 38 | return a[b+1] * a[0] * a[b+4] * a[7] * a[b+3] * a[1] * a[b+2] * a[2]; |
| 39 | }, 2, 3, 40320); |
| 40 | |
| 41 | test(function f6(b) { |
| 42 | var c; |
| 43 | if (b) c = a[3] * a[0] * a[6] * a[7]; |
| 44 | return c * a[5] * a[1] * a[4] * a[2]; |
| 45 | }, true, false, 40320); |
| 46 | |
| 47 | test(function f7(b) { |
| 48 | var c = a[7]; |
| 49 | if (b) c *= a[3] * a[0] * a[6]; |
| 50 | return c * a[5] * a[1] * a[4] * a[2]; |
| 51 | }, true, false, 40320); |
| 52 | |
| 53 | test(function f8(b) { |
| 54 | var c = a[7]; |
| 55 | if (b) c *= a[3] * a[0] * a[6]; |
| 56 | return c * a[5] * a[10] * a[4] * a[2]; |
| 57 | }, true, false, NaN); |
| 58 | |
| 59 | test(function f9(b) { |
| 60 | var c = a[1]; |
| 61 | if (b) { |
| 62 | c *= a[3] * a[0] * a[6]; |
| 63 | } else { |
| 64 | c = a[6] * a[5] * a[4]; |
| 65 | } |
| 66 | return c * a[5] * a[7] * a[4] * a[2]; |
| 67 | }, true, false, 40320); |
| 68 | |
| 69 | test(function fa(b) { |
| 70 | var c = a[1]; |
| 71 | if (b) { |
| 72 | c = a[6] * a[b+5] * a[4]; |
| 73 | } else { |
| 74 | c *= a[b+3] * a[0] * a[b+6]; |
| 75 | } |
| 76 | return c * a[5] * a[b+7] * a[4] * a[2]; |
| 77 | }, 0, 1, 40320); |
| 78 | |
| 79 | test(function fb(b) { |
| 80 | var c = a[b-3]; |
| 81 | if (b != 4) { |
| 82 | c = a[6] * a[b+1] * a[4]; |
| 83 | } else { |
| 84 | c *= a[b-1] * a[0] * a[b+2]; |
| 85 | } |
| 86 | return c * a[5] * a[b+3] * a[4] * a[b-2]; |
| 87 | }, 4, 3, 40320); |
| 88 | |
| 89 | test(function fc(b) { |
| 90 | var c = a[b-3]; |
| 91 | if (b != 4) { |
| 92 | c = a[6] * a[b+1] * a[4]; |
| 93 | } else { |
| 94 | c *= a[b-1] * a[0] * a[b+2]; |
| 95 | } |
| 96 | return c * a[5] * a[b+3] * a[4] * a[b-2]; |
| 97 | }, 6, 3, NaN); |
| 98 | |
| 99 | test(function fd(b) { |
| 100 | var c = a[b-3]; |
| 101 | if (b != 4) { |
| 102 | c = a[6] * a[b+1] * a[4]; |
| 103 | } else { |
| 104 | c *= a[b-1] * a[0] * a[b+2]; |
| 105 | } |
| 106 | return c * a[5] * a[b+3] * a[4] * a[b-2]; |
| 107 | }, 1, 4, NaN); |
| 108 | |
| 109 | test(function fe(b) { |
| 110 | var c = 1; |
| 111 | for (var i = 1; i < b-1; i++) { |
| 112 | c *= a[i-1] * a[i] * a[i+1]; |
| 113 | } |
| 114 | return c; |
| 115 | }, 8, 4, (40320 / 8 / 7) * (40320 / 8) * (40320 / 2)); |
| 116 | |
| 117 | test(function ff(b) { |
| 118 | var c = 0; |
| 119 | for (var i = 0; i < b; i++) { |
| 120 | c += a[3] * a[0] * a[6] * a[7] * a[5] * a[1] * a[4] * a[2]; |
| 121 | } |
| 122 | return c; |
| 123 | }, 100, 4, 40320 * 100); |