gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-20.c

   1 /* { dg-do compile  } */
   2 /* { dg-options "-O2 -fdump-tree-lim2-details" } */
   3
   4 /* Test that `count' is not hoisted out of loop when bb is cold.  */
   5
   6 int count;
   7 volatile int x;
   8
   9 struct obj {
  10   int data;
  11   struct obj *next;
  12
  13 } *q;
  14
  15 void
  16 func (int m)
  17 {
  18   struct obj *p;
  19   for (int i = 0; i < m; i++)
  20     if (__builtin_expect (x, 0))
  21       count++;
  22
  23 }
  24
  25 /* { dg-final { scan-tree-dump-not "Executing store motion of" "lim2"  }  } */