gcc/testsuite/gcc.dg/fold-minus-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-cddce1" } */
   3
   4 int
   5 fn1 (int a, int b)
   6 {
   7   int tem1 = a + b;
   8   int tem2 = a & b;
   9   return tem1 - tem2;
  10 }
  11
  12 int
  13 fn2 (int a, int b)
  14 {
  15   int tem1 = b + a;
  16   int tem2 = a & b;
  17   return tem1 - tem2;
  18 }
  19
  20 int
  21 fn3 (int a, int b)
  22 {
  23   int tem1 = a + b;
  24   int tem2 = b & a;
  25   return tem1 - tem2;
  26 }
  27
  28 int
  29 fn4 (int a, int b)
  30 {
  31   int tem1 = b + a;
  32   int tem2 = b & a;
  33   return tem1 - tem2;
  34 }
  35
  36 /* { dg-final { scan-tree-dump-not " & " "cddce1" } } */
  37 /* { dg-final { scan-tree-dump-not " \\+ " "cddce1" } } */