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111
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1 /* Verify straight-line strength reduction for a candidate with a basis
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2 hidden by a phi dependence and having a known stride. */
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3
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4 /* { dg-do compile } */
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5 /* { dg-options "-O3 -fdump-tree-optimized" } */
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6
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7 int
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8 f (int c, int i)
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9 {
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10 int a1, a2, a3, x1, x2, x3, x;
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11
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12 a1 = i * 16;
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13 x1 = c + a1;
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14
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15 i = i + 2;
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16 a2 = i * 16;
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17 x2 = c + a2;
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18
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19 if (x2 > 6)
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20 i = i + 2;
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21
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22 i = i + 2;
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23 a3 = i * 16;
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24 x3 = c + a3;
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25
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26 x = x1 + x2 + x3;
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27 return x;
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28 }
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29
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30 /* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */
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