gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-86.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-fre1" } */
   3
   4 int foo(int *p, int b, float *q)
   5 {
   6   int tem;
   7   if (b)
   8     {
   9       *q = 0;
  10       tem = *p;
  11     }
  12   else
  13     {
  14       *q = 1;
  15       tem = *p;
  16     }
  17   return *p - tem;
  18 }
  19
  20 /* { dg-final { scan-tree-dump "return 0;" "fre1" } } */