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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 dependences, having an unknown stride, and where the
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3 phi has an argument which is a parameter. */
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4
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5 /* { dg-do compile } */
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6 /* { dg-options "-O3 -fdump-tree-optimized" } */
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7
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8 int
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9 f (int s, int c, int i)
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10 {
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11 int a1, a3, x1, x3, x;
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12
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13 a1 = i * s;
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14 x1 = c + a1;
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15
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16 if (x1 > 6)
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17 i = i + 2;
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18
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19 i = i + 2;
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20 a3 = i * s;
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21 x3 = c + a3;
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22
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23 x = x1 + x3;
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24 return x;
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25 }
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26
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27 /* { dg-final { scan-tree-dump-times " \\* s" 1 "optimized" } } */
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28 /* { dg-final { scan-tree-dump-times " \\* 2" 1 "optimized" } } */
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