26 lines
554 B
C
26 lines
554 B
C
/* { dg-do run } */
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/* { dg-options "-O2 -fdump-tree-strlen" } */
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#include "strlenopt.h"
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__attribute__((noinline, noclone)) size_t
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fn1 (char *p, const char *r)
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{
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size_t len1 = strlen (r);
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char *q = strchr (p, '\0');
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*q = '\0';
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return len1 - strlen (r); // This strlen should be optimized into len1.
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}
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int
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main (void)
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{
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char p[] = "foobar";
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const char *volatile q = "xyzzy";
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fn1 (p, q);
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return 0;
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}
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/* { dg-final { scan-tree-dump-times "strlen \\(" 2 "strlen" } } */
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/* { dg-final { scan-tree-dump-times "strchr \\(" 0 "strlen" } } */
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