gcc/testsuite/gcc.dg/pr43864-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
   3
   4 /* Commutative case.  */
   5
   6 int f(int c, int b, int d)
   7 {
   8   int r, e;
   9
  10   if (c)
  11     r = b + d;
  12   else
  13     {
  14       e = d + b;
  15       r = e;
  16     }
  17
  18   return r;
  19 }
  20
  21 /* { dg-final { scan-tree-dump-times "if " 0 "pre"} } */
  22 /* { dg-final { scan-tree-dump-times "(?n)_.*\\+.*_" 1 "pre"} } */
  23 /* { dg-final { scan-tree-dump-not "Invalid sum" "pre"} } */