gcc/testsuite/gcc.dg/pr85423.c

   1 /* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-O2 -fselective-scheduling2 -fvar-tracking-assignments -fno-guess-branch-probability -fno-peephole2 -fno-ssa-phiopt -fno-tree-pre --param max-jump-thread-duplication-stmts=8 -w" } */
   3 /* { dg-additional-options "-march=nano" { target i?86-*-* x86_64-*-* } } */
   4
   5 int vn, xm;
   6
   7 void
   8 i1 (int);
   9
  10 void
  11 mb (int *ap, int ev)
  12 {
  13   while (vn < 1)
  14     {
  15       i1 (vn);
  16
  17       ev += *ap && ++vn;
  18
  19       while (xm < 1)
  20         ++xm;
  21
  22       if (*ap == 0)
  23         *ap = ev;
  24
  25       ++vn;
  26     }
  27 }