16 lines
639 B
C
16 lines
639 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-rtl-loop2_unroll -funroll-loops" } */
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struct a {int a[7];};
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int t(struct a *a, int n)
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{
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int i;
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for (i=0;i<n;i++)
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a->a[i]++;
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}
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/* { dg-final { scan-rtl-dump-not "Unrolled loop" "loop2_unroll" } } */
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/* { dg-final { scan-rtl-dump "likely upper bound: 7" "loop2_unroll" } } */
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/* { dg-final { scan-rtl-dump "realistic bound: -1" "loop2_unroll" } } */
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/* { dg-final { scan-rtl-dump "Not unrolling loop, doesn't roll" "loop2_unroll" } } */
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/* { dg-final { scan-rtl-dump-not "Invalid sum" "loop2_unroll" } } */
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/* { dg-final { scan-rtl-dump-not "upper bound: -1" "loop2_unroll" } } */
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