45 lines
840 B
C
45 lines
840 B
C
/* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
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/* { dg-options "-O2 -fdump-tree-strlen" } */
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#define USE_GNU
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#include "strlenopt.h"
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volatile int v;
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size_t __attribute__ ((noinline, noclone))
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f1 (char *b)
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{
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char a[30];
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v += 1;
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// Should be converted to stpcpy.
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strcpy (a, b);
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int len1 = strlen (a);
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a[0] = '_';
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a[1] = 0;
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return len1 + strlen (a);
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}
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size_t __attribute__ ((noinline, noclone))
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f2 (char *a, char *b)
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{
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v += 2;
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// Should be converted to stpcpy.
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strcpy (a, b);
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int len1 = strlen (a);
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a[0] = '_';
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a[1] = 0;
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return len1 + strlen (a);
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}
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int
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main ()
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{
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char a[30];
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if (f1 ("foo") != 4 || f2 (a, "foobar") != 7)
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abort ();
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return 0;
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}
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/* { dg-final { scan-tree-dump-times "strlen \\(" 0 "strlen1" } } */
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/* { dg-final { scan-tree-dump-times "stpcpy \\(" 2 "strlen1" } } */
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