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

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-original" } */
   3
   4 int test1 (int a, int b)
   5 {
   6   return a - b == a;
   7 }
   8 int test2 (int a, int b)
   9 {
  10   return a + b == a;
  11 }
  12 int test3 (int a)
  13 {
  14   return a + 5 == a;
  15 }
  16 int test4 (int a)
  17 {
  18   return a - 5 == a;
  19 }
  20
  21 /* { dg-final { scan-tree-dump-times "b == 0" 2 "original" } } */
  22 /* { dg-final { scan-tree-dump-times "return 0" 2 "original" } } */