gcc/testsuite/gcc.dg/graphite/id-28.c

   1 /* { dg-do compile { target cilkplus } } */
   2 /* { dg-options "-fcilkplus -floop-nest-optimize -O3" } */
   3
   4 #if HAVE_IO
   5 #include <stdio.h>
   6 #endif
   7 #include <math.h>
   8 #define NUMBER 5
   9
  10 int func1 (int *a1, int *a2)
  11 {
  12   return __sec_reduce_add (a1[0:NUMBER] * a2[0:NUMBER:1]);
  13 }
  14
  15 int func2 (int *a1, int *a2)
  16 {
  17   return (__sec_reduce_add (a1[0:NUMBER] * a2[0:NUMBER]) +
  18           __sec_reduce_mul (a1[0:NUMBER] + a2[0:NUMBER]));
  19 }
  20
  21 int func3 (int *a1, int *a2)
  22 {
  23   return (int) sqrt ((double)(__sec_reduce_add (a1[0:NUMBER] * a2[0:NUMBER]) +
  24                               a2[0] + a2[1] + a2[3]));
  25 }
  26
  27 int func4 (int *a1, int *a2)
  28 {
  29   return a1[NUMBER-1] * (__sec_reduce_add (a1[0:NUMBER] * a2[0:NUMBER]) + a2[0] + a2[1] + a2[3])/a1[NUMBER-2];
  30 }
  31 int main(void)
  32 {
  33   int array[NUMBER], array2[NUMBER];
  34   int return_value = 0;
  35   int ii = 0;
  36   int argc = 1;
  37   __asm volatile ("" : "+r" (argc));
  38   for (ii = 0; ii < NUMBER; ii++)
  39     {
  40       array[ii] = argc; /* This should calculate to 1.  */
  41       array2[ii]  = argc * argc + argc;  /* This should calculate to 2.  */
  42     }
  43
  44   return_value = func1 (array, array2);
  45 #if HAVE_IO
  46   printf("Return_value = %d\n", return_value);
  47 #endif
  48   if (return_value != (2+2+2+2+2))
  49     return 1;
  50
  51   return_value = func2 (array2, array);
  52 #if HAVE_IO
  53   printf("Return_value = %d\n", return_value);
  54 #endif
  55   if (return_value != (3*3*3*3*3) + (2+2+2+2+2))
  56     return 2;
  57
  58   return_value = func3 (array, array2);
  59 #if HAVE_IO
  60   printf("Return_value = %d\n", return_value);
  61 #endif
  62   if (return_value != 4)
  63     return 3;
  64
  65   return_value = func4 (array, array2);
  66 #if HAVE_IO
  67   printf("Return_value = %d\n", return_value);
  68 #endif
  69   if (return_value != 16)
  70     return 4;
  71
  72   return 0;
  73 }