Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/strlenopt-22.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 1830386684a0 |
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/* { dg-do run } */ /* { dg-options "-O2 -fdump-tree-strlen" } */ #include "strlenopt.h" __attribute__((noinline, noclone)) size_t bar (char *p, char *q) { size_t l1, l2, l3; char *r = strchr (p, '\0'); strcpy (r, "abcde"); char *s = strchr (r, '\0'); strcpy (s, q); l1 = strlen (p); l2 = strlen (r); l3 = strlen (s); return l1 + l2 + l3; } int main () { char buf[16] = "01234"; if (bar (buf, "56789") != 30) abort (); if (memcmp (buf, "01234abcde56789", 16) != 0) abort (); return 0; } /* { dg-final { scan-tree-dump-times "strlen \\(" 4 "strlen" } } */ /* { dg-final { scan-tree-dump-times "memcpy \\(" 1 "strlen" } } */ /* { dg-final { scan-tree-dump-times "strcpy \\(" 1 "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" } } */