mirror of git://gcc.gnu.org/git/gcc.git
28 lines
585 B
C
28 lines
585 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -funroll-loops -fdump-tree-cunroll-details" } */
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__attribute__ ((pure))
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int bla(int);
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int foo(void)
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{
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int i;
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int sum = 0;
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/* This loop used to appear to be too large for unrolling. */
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for (i = 0; i < 4; i++)
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{
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sum += bla (i);
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sum += bla (2*i);
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sum += bla (3*i);
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sum += bla (4*i);
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sum += bla (5*i);
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sum += bla (6*i);
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sum += bla (7*i);
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sum += bla (8*i);
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}
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return sum;
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}
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/* { dg-final { scan-tree-dump-times "loop with 3 iterations completely unrolled" 1 "cunroll" } } */
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