gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-27.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-ccp1" } */
   3
   4 #include <string.h>
   5
   6 char c[10];
   7
   8 void
   9 f1 ()
  10 {
  11   const char *p = "123456";
  12   memcpy (c, p, 6);
  13 }
  14
  15 void
  16 f2 ()
  17 {
  18   const char *p = "12345678";
  19   p += 2;
  20   memcpy (c, p, 6);
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "memcpy\[^\n\]*123456" 2 "ccp1" } } */