array-iterator-turbo.js 6.27 KB
Newer Older
1 2 3 4
// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

5
// Flags: --turbo-escape --allow-natives-syntax --no-always-opt
6
// Flags: --opt --turbo-filter=* --no-force-slow-path
7 8 9 10 11 12 13

"use strict";

let global = this;
let tests = {
  FastElementsKind() {
    let runners = {
14
      PACKED_SMI_ELEMENTS(array) {
15 16 17 18 19
        let sum = 0;
        for (let x of array) sum += x;
        return sum;
      },

20
      HOLEY_SMI_ELEMENTS(array) {
21 22 23 24 25 26 27
        let sum = 0;
        for (let x of array) {
          if (x) sum += x;
        }
        return sum;
      },

28
      PACKED_ELEMENTS(array) {
29 30 31 32 33
        let ret = "";
        for (let str of array) ret += `> ${str}`;
        return ret;
      },

34
      HOLEY_ELEMENTS(array) {
35 36 37 38 39
        let ret = "";
        for (let str of array) ret += `> ${str}`;
        return ret;
      },

40
      PACKED_DOUBLE_ELEMENTS(array) {
41 42 43 44 45
        let sum = 0.0;
        for (let x of array) sum += x;
          return sum;
      },

46 47 48
      // TODO(6587): Re-enable the below test case once we no longer deopt due
      // to non-truncating uses of {CheckFloat64Hole} nodes.
      /*HOLEY_DOUBLE_ELEMENTS(array) {
49 50 51 52 53
        let sum = 0.0;
        for (let x of array) {
          if (x) sum += x;
        }
        return sum;
54
      }*/
55 56 57
    };

    let tests = {
58
      PACKED_SMI_ELEMENTS: {
59 60 61 62 63
        array: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
        expected: 55,
        array2: [1, 2, 3],
        expected2: 6
      },
64
      HOLEY_SMI_ELEMENTS: {
65 66 67 68 69
        array: [1, , 3, , 5, , 7, , 9, ,],
        expected: 25,
        array2: [1, , 3],
        expected2: 4
      },
70
      PACKED_ELEMENTS: {
71 72 73 74 75
        array: ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"],
        expected: "> a> b> c> d> e> f> g> h> i> j",
        array2: ["a", "b", "c"],
        expected2: "> a> b> c"
      },
76
      HOLEY_ELEMENTS: {
77 78 79 80 81 82
        array: ["a", , "c", , "e", , "g", , "i", ,],
        expected: "> a> undefined> c> undefined> e> undefined> g" +
                  "> undefined> i> undefined",
        array2: ["a", , "c"],
        expected2: "> a> undefined> c"
      },
83
      PACKED_DOUBLE_ELEMENTS: {
84 85 86 87 88
        array: [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0],
        expected: 5.5,
        array2: [0.6, 0.4, 0.2],
        expected2: 1.2
      },
89 90 91
      // TODO(6587): Re-enable the below test case once we no longer deopt due
      // to non-truncating uses of {CheckFloat64Hole} nodes.
      /*HOLEY_DOUBLE_ELEMENTS: {
92 93 94 95
        array: [0.1, , 0.3, , 0.5, , 0.7, , 0.9, ,],
        expected: 2.5,
        array2: [0.1, , 0.3],
        expected2: 0.4
96
      }*/
97 98 99 100 101 102 103 104 105 106 107 108
    };

    for (let key of Object.keys(runners)) {
      let fn = runners[key];
      let { array, expected, array2, expected2 } = tests[key];

      // Warmup:
      fn(array);
      fn(array);
      %OptimizeFunctionOnNextCall(fn);
      fn(array);

109
      assertOptimized(fn, '', key);
110
      assertEquals(expected, fn(array), key);
111
      assertOptimized(fn, '', key);
112

113
      // Check no deopt when another array with the same map is used
114
      assertTrue(%HaveSameMap(array, array2), key);
115
      assertOptimized(fn, '', key);
116 117 118 119 120 121 122
      assertEquals(expected2, fn(array2), key);

      // CheckMaps bailout
      let newArray = Object.defineProperty(
          [1, 2, 3], 2, { enumerable: false, configurable: false,
                          get() { return 7; } });
      fn(newArray);
123
      assertUnoptimized(fn, '', key);
124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210
    }
  },

  TypedArrays() {
    let tests = {
      Uint8Array: {
        array: new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, -1, 256]),
        expected: 291,
        array2: new Uint8Array([1, 2, 3]),
        expected2: 6
      },

      Int8Array: {
        array: new Int8Array([1, 2, 3, 4, 5, 6, 7, 8, -129, 128]),
        expected: 35,
        array2: new Int8Array([1, 2, 3]),
        expected2: 6
      },

      Uint16Array: {
        array: new Uint16Array([1, 2, 3, 4, 5, 6, 7, 8, -1, 0x10000]),
        expected: 65571,
        array2: new Uint16Array([1, 2, 3]),
        expected2: 6
      },

      Int16Array: {
        array: new Int16Array([1, 2, 3, 4, 5, 6, 7, 8, -32769, 0x7FFF]),
        expected: 65570,
        array2: new Int16Array([1, 2, 3]),
        expected2: 6
      },

      Uint32Array: {
        array: new Uint32Array([1, 2, 3, 4, 5, 6, 7, 8, -1, 0x100000000]),
        expected: 4294967331,
        array2: new Uint32Array([1, 2, 3]),
        expected2: 6
      },

      Int32Array: {
        array: new Int32Array([1, 2, 3, 4, 5, 6, 7, 8,
                               -2147483649, 0x7FFFFFFF]),
        expected: 4294967330,
        array2: new Int32Array([1, 2, 3]),
        expected2: 6
      },

      Float32Array: {
        array: new Float32Array([9.5, 8.0, 7.0, 7.0, 5.0, 4.0, 3.0, 2.0]),
        expected: 45.5,
        array2: new Float32Array([10.5, 5.5, 1.5]),
        expected2: 17.5
      },

      Float64Array: {
        array: new Float64Array([9.5, 8.0, 7.0, 7.0, 5.0, 4.0, 3.0, 2.0]),
        expected: 45.5,
        array2: new Float64Array([10.5, 5.5, 1.5]),
        expected2: 17.5
      },

      Uint8ClampedArray: {
        array: new Uint8ClampedArray([4.3, 7.45632, 3.14, 4.61, 5.0004, 6.493,
                                      7.12, 8, 1.7, 3.6]),
        expected: 51,
        array2: new Uint8ClampedArray([1, 2, 3]),
        expected2: 6
      }
    };

    for (let key of Object.keys(tests)) {
      let test = tests[key];
      let { array, expected, array2, expected2 } = test;

      let sum = function(array) {
        let ret = 0;
        for (let x of array) ret += x;
        return ret;
      };

      // Warmup
      sum(array);
      sum(array);
      %OptimizeFunctionOnNextCall(sum);
      assertEquals(expected, sum(array), key);

211
      assertOptimized(sum, '', key);
212 213 214 215

      // Not deoptimized when called on typed array of same type / map
      assertTrue(%HaveSameMap(array, array2));
      assertEquals(expected2, sum(array2), key);
216
      assertOptimized(sum, '', key);
217 218 219

      // Throw when detached
      let clone = new array.constructor(array);
220
      %ArrayBufferDetach(clone.buffer);
221
      assertThrows(() => sum(clone), TypeError);
222 223 224 225

      // Clear the slate for the next iteration.
      %DeoptimizeFunction(sum);
      %ClearFunctionFeedback(sum);
226 227 228 229 230 231 232 233
    }
  }
};

for (let name of Object.keys(tests)) {
  let test = tests[name];
  test();
}