File: kernels-counter-var-redundant-load.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (34 lines) | stat: -rw-r--r-- 711 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
 
/* { dg-additional-options "-O2" } */
/* { dg-additional-options "-fdump-tree-dom3" } */

#include <stdlib.h>

#define N (1024 * 512)
#define COUNTERTYPE unsigned int

COUNTERTYPE
foo (unsigned int *c)
{
  COUNTERTYPE ii;

#pragma acc kernels copyout (c[0:N])
  {
    for (ii = 0; ii < N; ii++)
      c[ii] = 1;
  }

  return ii;
}

/* We're expecting:

   .omp_data_i_10 = &.omp_data_arr.3;
   _11 = .omp_data_i_10->ii;
   *_11 = 0;
   _15 = .omp_data_i_10->c;
   c.1_16 = *_15;

   Check that there's only one load from anonymous ssa-name (which we assume to
   be the one to read c), and that there's no such load for ii.  */

/* { dg-final { scan-tree-dump-times "(?n)\\*_\[0-9\]\[0-9\]*;$" 1 "dom3" } } */