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111
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1 /* Straight-line strength reduction control flow variation with incr = 1. */
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2
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3 /* { dg-do compile } */
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4 /* { dg-options "-O3 -fdump-tree-optimized" } */
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5
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6 int
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7 f (int n, int c, int s)
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8 {
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9 int a2, a3, a4, x1, x2, x3, x4;
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10
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11 x1 = c + s;
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12 x2 = x3 = x4 = c;
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13
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14 if (n > 64)
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15 {
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16 a2 = 2 * s;
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17 x2 = c + a2;
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18 a3 = 3 * s;
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19 x3 = c + a3;
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20 }
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21 else
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22 {
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23 a4 = 2 * s;
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24 x4 = c + a4;
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25 }
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26
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27 return x1 + x2 + x3 + x4;
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28 }
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29
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30 /* { dg-final { scan-tree-dump-times " \\* " 0 "optimized" } } */
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