gcc/testsuite/gcc.dg/goacc/nvptx-sese-1.c

   1 /* { dg-do link } */
   2 /* { dg-require-effective-target offload_nvptx } */
   3 /* { dg-options "-fopenacc -O2 -foffload=-fdump-rtl-mach\\ -dumpbase\\ nvptx-sese-1.c\\ -Wa,--no-verify" } */
   4
   5 #pragma acc routine  seq
   6 int __attribute__((noinline)) foo (int x)
   7 {
   8   return x & 2;
   9 }
  10
  11 int main ()
  12 {
  13   int r = 0;
  14
  15 #pragma acc parallel copy(r) vector_length(32)
  16   {
  17 #pragma acc loop vector reduction (+:r)
  18     for (int i = 00; i < 40; i++)
  19       r += i;
  20
  21     /* This piece is a multi-block SESE region */
  22     if (foo (r))
  23       r *= 2;
  24
  25     if (r & 1) /* to here. */
  26 #pragma acc loop vector reduction (+:r)
  27       for (int i = 00; i < 40; i++)
  28         r += i;
  29   }
  30
  31   return 0;
  32 }
  33
  34 /* Match {N->N(.N)+} */
  35 /* { dg-final { scan-rtl-dump "SESE regions:.* \[0-9\]+{\[0-9\]+->\[0-9\]+(\\.\[0-9\]+)+}" "mach" } } */