32 lines
687 B
C
32 lines
687 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-vrp1" } */
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foo (int i, int j, int a)
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{
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if (i >= 10)
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if (i <= 30)
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if (i == j)
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{
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a--;
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/* This should fold to 'if (0)'. */
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if (i < 0)
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i = baz ();
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/* This should fold to 'if (1)'. */
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if (j > 0)
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a--;
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/* This should fold to 'if (0)'. */
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if (i != j)
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return 0;
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}
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return i + a + j;
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}
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/* { dg-final { scan-tree-dump-times "Folding predicate i_.*to 0" 1 "vrp1" } } */
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/* { dg-final { scan-tree-dump-times "Folding predicate j_.*to 1" 1 "vrp1" } } */
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/* { dg-final { scan-tree-dump-times "Folding predicate i_.*to 0" 1 "vrp1" } } */
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/* { dg-final { cleanup-tree-dump "vrp1" } } */
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