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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [strlenopt-3.c] - Rev 706
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/* { dg-do run } */ /* { dg-options "-O2 -fdump-tree-strlen -fdump-tree-optimized" } */ #include "strlenopt.h" __attribute__((noinline, noclone)) size_t fn1 (char *p, char *q) { size_t s = strlen (q); strcpy (p, q); return s - strlen (p); } __attribute__((noinline, noclone)) size_t fn2 (char *p, char *q) { size_t s = strlen (q); memcpy (p, q, s + 1); return s - strlen (p); } __attribute__((noinline, noclone)) size_t fn3 (char *p) { memcpy (p, "abcd", 5); return strlen (p); } __attribute__((noinline, noclone)) size_t fn4 (char *p) { memcpy (p, "efg\0hij", 6); return strlen (p); } int main () { char buf[64]; char *volatile p = buf; char *volatile q = "ABCDEF"; buf[7] = 'G'; if (fn1 (p, q) != 0 || memcmp (buf, "ABCDEF\0G", 8)) abort (); q = "HIJ"; if (fn2 (p + 1, q) != 0 || memcmp (buf, "AHIJ\0F\0G", 8)) abort (); buf[6] = 'K'; if (fn3 (p + 1) != 4 || memcmp (buf, "Aabcd\0KG", 8)) abort (); if (fn4 (p) != 3 || memcmp (buf, "efg\0hiKG", 8)) abort (); return 0; } /* { dg-final { scan-tree-dump-times "strlen \\(" 2 "strlen" } } */ /* { dg-final { scan-tree-dump-times "memcpy \\(" 4 "strlen" } } */ /* { dg-final { scan-tree-dump-times "strcpy \\(" 0 "strlen" } } */ /* { dg-final { scan-tree-dump-times "strcat \\(" 0 "strlen" } } */ /* { dg-final { scan-tree-dump-times "strchr \\(" 0 "strlen" } } */ /* { dg-final { scan-tree-dump-times "stpcpy \\(" 0 "strlen" } } */ /* { dg-final { cleanup-tree-dump "strlen" } } */ /* { dg-final { scan-tree-dump-times "return 0" 3 "optimized" } } */ /* { dg-final { scan-tree-dump-times "return 4" 1 "optimized" } } */ /* { dg-final { scan-tree-dump-times "return 3" 1 "optimized" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */
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