gcc/testsuite/gcc.dg/vect/vect-early-break-template_2.c

   1 #include "tree-vect.h"
   2
   3 #ifndef N
   4 #define N 803
   5 #endif
   6
   7 #ifndef P
   8 #define P 0
   9 #endif
  10
  11 unsigned vect_a[N] = {0};
  12 unsigned vect_b[N] = {0};
  13
  14 __attribute__((noipa, noinline))
  15 unsigned test4(unsigned x)
  16 {
  17  unsigned ret = 0;
  18  for (int i = 0; i < N; i++)
  19  {
  20    vect_b[i] = x + i;
  21    if (vect_a[i] > x)
  22      return i;
  23    vect_a[i] = x;
  24
  25  }
  26  return ret;
  27 }
  28
  29 extern void abort ();
  30
  31 int main ()
  32 {
  33   check_vect ();
  34
  35   int x = 1;
  36   int idx = P;
  37   vect_a[idx] = x + 1;
  38
  39   unsigned res = test4(x);
  40
  41   if (res != idx)
  42     abort ();
  43
  44   if (vect_b[idx] != (x + idx))
  45     abort ();
  46
  47   if (vect_a[idx] != x + 1)
  48     abort ();
  49
  50   if (idx > 0 && vect_a[idx-1] != x)
  51     abort ();
  52
  53 }