38 lines
1017 B
C
38 lines
1017 B
C
/* PR middle-end/47917 */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-optimized" } */
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extern int snprintf (char *, __SIZE_TYPE__, const char *, ...);
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extern int memcmp (const void *, const void *, __SIZE_TYPE__);
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extern void abort (void);
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char buf1[6], buf2[6], buf3[4], buf4[4];
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int i;
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int
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foo (void)
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{
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int ret = snprintf (buf1, sizeof buf1, "abcde");
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ret += snprintf (buf2, sizeof buf2, "abcdef") * 16;
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ret += snprintf (buf3, sizeof buf3, "%s", i++ < 6 ? "abc" : "def") * 256;
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ret += snprintf (buf4, sizeof buf4, "%s", i++ > 10 ? "abcde" : "defgh") * 4096;
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return ret;
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}
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int
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main (void)
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{
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if (foo () != 5 + 6 * 16 + 3 * 256 + 5 * 4096)
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abort ();
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if (memcmp (buf1, "abcde", 6) != 0
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|| memcmp (buf2, "abcde", 6) != 0
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|| memcmp (buf3, "abc", 4) != 0
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|| memcmp (buf4, "def", 4) != 0
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|| i != 2)
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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 "snprintf" 2 "optimized" } } */
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/* { dg-final { scan-tree-dump-times "sprintf" 0 "optimized" } } */
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