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