File: strlenopt-48.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 (35 lines) | stat: -rw-r--r-- 739 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
 
/* PR tree-optimization/86400 - set<string>::set<char (*)[2]) constructor
   does not work with array argument
   Verify that strlen() calls with one-character array elements of
   multidimensional arrays are still folded.
   { dg-do compile }
   { dg-options "-O2 -Wall -fdump-tree-optimized" } */

#include "strlenopt.h"

void f (void)
{
  extern char a[2][1];
  int n = strlen (a[1]);
  if (n)
    abort();
}

void g (void)
{
  extern char b[3][2][1];
  int n = strlen (b[2][1]);
  if (n)
    abort();
}

void h (void)
{
  extern char c[4][3][2][1];
  int n = strlen (c[3][2][1]);
  if (n)
    abort();
}

/* { dg-final { scan-tree-dump-times "strlen" 0 "optimized" } }
   { dg-final { scan-tree-dump-times "abort" 0 "optimized" } } */