gcc/testsuite/gcc.dg/autopar/pr46099.c

   1 /* PR tree-optimization/46099 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-ftree-parallelize-loops=2 -fcompare-debug -O" } */
   4
   5 static inline void
   6 bar (int *i)
   7 {
   8   int j = *i;
   9 }
  10
  11 void baz (int *, int *, int *);
  12
  13 void
  14 f1 (int n)
  15 {
  16   int i;
  17   for (i = 0; i < n; i++)
  18     bar (&i);
  19 }
  20
  21 void
  22 f2 (int n)
  23 {
  24   int i;
  25   int a[10000], b[10000], c[10000];
  26   baz (a, b, c);
  27   for (i = 0; i < n; i++)
  28     {
  29       void *p = c;
  30       a[i] = b[i] + c[i];
  31     }
  32   baz (a, b, c);
  33 }
  34
  35 void
  36 f3 (int n)
  37 {
  38   int i;
  39   int a[10000], b[10000], c[10000];
  40   baz (a, b, c);
  41   for (i = 0; i < n; i++)
  42     {
  43       a[i] = b[i] + c[i];
  44       void *p = c;
  45     }
  46   baz (a, b, c);
  47 }