gcc/testsuite/gcc.dg/fold-cond-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-original" } */
   3
   4 _Bool test1(int a, int b)
   5 {
   6   return a ? b : 0;
   7 }
   8
   9 _Bool test2(int c, int d)
  10 {
  11   return c ? d : 1;
  12 }
  13
  14 _Bool test3(int e, int f)
  15 {
  16   return e ? 0 : f;
  17 }
  18
  19 _Bool test4(int g, int h)
  20 {
  21   return g ? 1 : h;
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times "a != 0 \&\& b != 0" 1 "original" } } */
  25 /* { dg-final { scan-tree-dump-times "c == 0 \\|\\| d != 0" 1 "original" } } */
  26 /* { dg-final { scan-tree-dump-times "e == 0 \&\& f != 0" 1 "original" } } */
  27 /* { dg-final { scan-tree-dump-times "g == 0 \\? h != 0 : 1" 0 "original" } } */
  28 /* { dg-final { scan-tree-dump-times "g != 0 \\? 1 : h != 0" 0 "original" } } */