gcc/testsuite/gcc.dg/pr27095.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 extern void *memset (void *, int, __SIZE_TYPE__);
   5 extern __SIZE_TYPE__ strlen (const char *);
   6
   7 int
   8 main (int argc, char **argv)
   9 {
  10   char x[8] = "abc";
  11   memset (x, argc, strlen (x));
  12   return 0;
  13 }
  14 /* { dg-final { scan-assembler-not "(?n)strlen\(.*\n\)+.*strlen" { target { ! { powerpc*-*-darwin* hppa*-*-hpux* ia64-*-hpux* alpha*-*-* } } } } } */
  15 /* hppa*-*-hpux* has an IMPORT statement for strlen (plus the branch). */
  16 /* *-*-darwin* has something similar. */
  17 /* { dg-final { scan-assembler-not "(?n)strlen\(.*\n\)+.*strlen\(.*\n\)+.*strlen" { target hppa*-*-hpux* } } } */
  18 /* { dg-final { scan-assembler-not "(?n)bl L_strlen\(.*\n\)+.*bl L_strlen" { target powerpc*-*-darwin* } } } */
  19 /* ia64-*-hpux* has a global statement, a type statement, and the branch. */
  20 /* { dg-final { scan-assembler-not "(?n)strlen\(.*\n\)+.*strlen\(.*\n\)+.*strlen\(.*\n\)+.*strlen" { target ia64-*-hpux* } } } */
  21 /* alpha-*-* has a GOT load and the call.  */
  22 /* { dg-final { scan-assembler-not "(?n)jsr .*,strlen\(.*\n\)+.*jsr .*,strlen" { target alpha*-*-* } } } */