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comparison: js/src/jit-test/tests/auto-regress/bug739402.js
js/src/jit-test/tests/auto-regress/bug739402.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:749d6da6b6f3 |
|---|---|
| 1 // |jit-test| slow; | |
| 2 | |
| 3 // Binary: cache/js-dbg-32-be41973873db-linux | |
| 4 // Flags: --ion-eager | |
| 5 // | |
| 6 function MersenneTwister19937() { | |
| 7 N = 624; | |
| 8 var M = 397; | |
| 9 MATRIX_A = 567483615; | |
| 10 UPPER_MASK = 2147483648; | |
| 11 var LOWER_MASK = 767; | |
| 12 mt = Array(); | |
| 13 function unsigned32(n1) { | |
| 14 return n1 < 0 ? (n1 ^ UPPER_MASK) + UPPER_MASK : n1; | |
| 15 } | |
| 16 function addition32(n1, n2) { | |
| 17 return unsigned32(n1 + n2 & 4294967295); | |
| 18 } | |
| 19 function multiplication32(n1, n2) { | |
| 20 sum = 0; | |
| 21 for (i = 0; i < 32; ++i) { | |
| 22 if (n1 >> i & 1) { | |
| 23 sum = addition32(sum, unsigned32(n2 << i)); | |
| 24 } | |
| 25 } | |
| 26 return sum; | |
| 27 } | |
| 28 this.init_genrand = function() { | |
| 29 for (mti = 1; mti < N; mti++) { | |
| 30 mt[mti] = addition32(multiplication32(181433253, unsigned32(mt[mti - 1] ^ mt[mti - 1] >>> 30)), mti); | |
| 31 } | |
| 32 }; | |
| 33 this.genrand_int32 = function() { | |
| 34 mag01 = Array(0, MATRIX_A); | |
| 35 if (mti > N) { | |
| 36 for (kk = 0; kk < N - M; kk++) { | |
| 37 y = unsigned32(mt[kk] & UPPER_MASK | mt[kk + 1] & LOWER_MASK); | |
| 38 } | |
| 39 for (; kk < N; kk++) { | |
| 40 mt[kk] = unsigned32(mt[kk + (M - N)] ^ y >>> 1 ^ mag01[y & 1]); | |
| 41 } | |
| 42 mti = 0; | |
| 43 } | |
| 44 y = mt[mti++]; | |
| 45 return y; | |
| 46 }; | |
| 47 } | |
| 48 (function() { | |
| 49 var fuzzMT = new MersenneTwister19937; | |
| 50 fuzzSeed = 4; | |
| 51 fuzzMT.init_genrand(fuzzSeed); | |
| 52 rnd = function(n) { | |
| 53 var x = fuzzMT.genrand_int32() * 2.2e-10; | |
| 54 return Math.floor(x * n); | |
| 55 }; | |
| 56 }()); | |
| 57 | |
| 58 function rndElt(a) { | |
| 59 return a[rnd(a.length)]; | |
| 60 } | |
| 61 varBinderFor = ["", "t", ""]; | |
| 62 function forLoopHead(d, b, v, reps) { | |
| 63 var sInit = rndElt(varBinderFor) + v + "=0"; | |
| 64 var sCond = v + "<" + reps; | |
| 65 sNext = "++" + v; | |
| 66 return "for(" + sInit + ";" + sCond + ";" + sNext + ")"; | |
| 67 } | |
| 68 function makeBranchUnstableLoop(d, b) { | |
| 69 var reps = rnd(rnd(9)); | |
| 70 v = uniqueVarName(); | |
| 71 var mod = rnd(); | |
| 72 target = rnd(mod); | |
| 73 return "" + forLoopHead(d, b, v, reps) + "{" + "if(" + v + "%" + mod + "==" + target + "){" + makeStatement(d - 2, b) + "}" + "{" + makeStatement(d - 2) + "}" + "}"; | |
| 74 } | |
| 75 function weighted(wa) { | |
| 76 a = []; | |
| 77 for (var i = 0; i < wa.length; ++i) { | |
| 78 for (var j = 0; j < wa[i].w; ++j) { | |
| 79 a.push(wa[i].fun); | |
| 80 } | |
| 81 } | |
| 82 return a; | |
| 83 } | |
| 84 statementMakers = weighted([{ | |
| 85 w: 6, | |
| 86 fun: makeBranchUnstableLoop | |
| 87 }, {}]); | |
| 88 (function() { | |
| 89 builderStatementMakers = weighted([{ | |
| 90 w: 1, | |
| 91 fun: function() { | |
| 92 return "gc()"; | |
| 93 } | |
| 94 }, { | |
| 95 w: 10, | |
| 96 fun: function() {} | |
| 97 }]); | |
| 98 makeBuilderStatement = function() { | |
| 99 return rndElt(builderStatementMakers)(); | |
| 100 }; | |
| 101 }()); | |
| 102 function uniqueVarName() { | |
| 103 for (i = 0; i < 6; ++i) { | |
| 104 s = String.fromCharCode(97 + rnd(6)); | |
| 105 } | |
| 106 return s; | |
| 107 } | |
| 108 function makeLittleStatement(d) { | |
| 109 rnd(0); | |
| 110 if (rnd) { | |
| 111 rndElt(littleStatementMakers)(); | |
| 112 } | |
| 113 } | |
| 114 littleStatementMakers = [function() {}]; | |
| 115 function testOne() { | |
| 116 var code = makeOv(10); | |
| 117 tryItOut(code); | |
| 118 } | |
| 119 function makeStatement(d, b) { | |
| 120 if (rnd(0)) {} | |
| 121 if (rnd(2)) { | |
| 122 return makeBuilderStatement(); | |
| 123 } | |
| 124 d < 6 && rnd() == 0; | |
| 125 if (d < rnd(8)) { | |
| 126 return makeLittleStatement(); | |
| 127 } | |
| 128 return rndElt(statementMakers)(d, b); | |
| 129 } | |
| 130 function makeOv(d, B) { | |
| 131 if (rnd() == 0) {} | |
| 132 return "" + makeStatement(d, [""]); | |
| 133 } | |
| 134 function tryItOut(code) { | |
| 135 try { | |
| 136 f = Function(code); | |
| 137 f(); | |
| 138 } catch (r) {} | |
| 139 } | |
| 140 for (let aa = 0; aa < 9999; aa++) { | |
| 141 testOne(); | |
| 142 } |
