81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
/* { dg-do run } */
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/* { dg-options "-O2 -fdump-rtl-expand" } */
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typedef struct { char s[8]; int x; } S;
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__attribute__ ((noinline)) int
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f1 (S * s)
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{
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int result = 0;
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result += __builtin_strncmp (s->s, "ab", 2);
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result += __builtin_strncmp (s->s, "abc", 3);
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return result;
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}
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__attribute__ ((noinline)) int
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f2 (char *p)
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{
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int result = 0;
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result += __builtin_strncmp (p, "ab", 2);
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result += __builtin_strncmp (p, "abc", 3);
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return result;
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}
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__attribute__ ((noinline)) int
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f3 (S * s)
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{
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int result = 0;
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result += __builtin_strcmp (s->s, "a");
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result += __builtin_strcmp (s->s, "ab");
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return result;
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}
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__attribute__ ((noinline)) int
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f4 (char *p)
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{
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int result = 0;
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result += __builtin_strcmp (p, "a");
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result += __builtin_strcmp (p, "ab");
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return result;
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}
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__attribute__ ((noinline)) int
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f5 (S * s)
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{
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int result = 0;
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result += __builtin_memcmp (s->s, "ab", 2);
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result += __builtin_memcmp (s->s, "abc", 3);
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return result;
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}
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__attribute__ ((noinline)) int
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f6 (char *p)
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{
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int result = 0;
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result += __builtin_memcmp (p, "ab", 2);
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result += __builtin_memcmp (p, "abc", 3);
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return result;
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}
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int main (void)
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{
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S ss = {{'a','b','c'}, 2};
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char *s = "abcd";
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if (f1 (&ss) != 0 || f2 (s) != 0)
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__builtin_abort ();
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if (f3 (&ss) <= 0 || f4 (s) <= 0)
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__builtin_abort ();
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if (f5 (&ss) != 0 || f6 (s) != 0)
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__builtin_abort ();
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return 0;
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}
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/* { dg-final { scan-rtl-dump-times "__builtin_strcmp" 0 "expand" } } */
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/* { dg-final { scan-rtl-dump-times "__builtin_strncmp" 0 "expand" } } */
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/* { dg-final { scan-rtl-dump-times "__builtin_memcmp" 0 "expand" } } */
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