30 lines
580 B
C
30 lines
580 B
C
/* PR 30730, PR 26900, number of iterations analysis should be able to
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determine number of iterations of the following loops unconditionally. */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fstrict-overflow -fdump-tree-optimized-blocks" } */
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unsigned foo(unsigned int n)
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{
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unsigned x = 0;;
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while (n > 10)
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{
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n -= 2;
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x++;
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}
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return x;
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}
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int foo0(int i0, int i1)
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{
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int i, j = 0;
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for (i=i0; i<=i1+1; ++i)
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++j;
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return j;
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}
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/* { dg-final { scan-tree-dump-times "if" 2 "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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