File: strlenopt-33.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (42 lines) | stat: -rw-r--r-- 688 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
/* { dg-do run } */
/* { dg-options "-O2 -fdump-tree-strlen" } */

#include "strlenopt.h"

volatile int v;

size_t __attribute__ ((noinline, noclone))
f1 (char *b)
{
  char a[30];
  v += 1;
  strcpy (a, b);
  // This needs to stay.
  int len1 = strlen (a);
  a[0] = '_';
  a[1] = 0;
  return len1 + strlen (a);
}

size_t __attribute__ ((noinline, noclone))
f2 (char *a, char *b)
{
  v += 2;
  strcpy (a, b);
  // This needs to stay.
  int len1 = strlen (a);
  a[0] = '_';
  a[1] = 0;
  return len1 + strlen (a);
}

int
main ()
{
  char a[30];
  if (f1 ("foo") != 4 || f2 (a, "foobar") != 7)
    abort ();
  return 0;
}

/* { dg-final { scan-tree-dump-times "strlen \\(" 2 "strlen" } } */