25 lines
711 B
C
25 lines
711 B
C
/* A test for # of iterations estimation. We know that the loop is executed
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at most 100 times, thus the (32-bit) induction variables do not overflow,
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and we may use 64-bit variable to represent them. */
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/* { dg-options "-O2 -fdump-tree-optimized" } */
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/* { dg-do compile { target x86_64-*-* } } */
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unsigned a[100];
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void foo(unsigned n)
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{
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unsigned i;
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for (i = 0; i < n; i++)
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a[i] = 4 * i;
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}
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/* Check that the memory reference was replaced with MEM, and that there is no
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multiplication. */
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/* { dg-final { scan-tree-dump-times "MEM" 1 "optimized" } } */
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/* { dg-final { scan-tree-dump-times "\[^\\n\\r\]*= \\* " 0 "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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