gcc/testsuite/gcc.dg/tree-ssa/andor-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-original" } */
   3
   4 unsigned int test1(unsigned int a)
   5 {
   6   return (a & 1) | 1;
   7 }
   8
   9 int test2(int b)
  10 {
  11   return (b & 1) | 1;
  12 }
  13
  14 unsigned int test3(unsigned int c)
  15 {
  16   return (c | 1) & 1;
  17 }
  18
  19 int test4(int d)
  20 {
  21   return (d | 1) & 1;
  22 }
  23
  24 unsigned int test5(unsigned int e)
  25 {
  26   return (e | 4) & 6;
  27 }
  28
  29 int test6(int f)
  30 {
  31   return (f | 4) & 6;
  32 }
  33
  34 unsigned int test7(unsigned int g)
  35 {
  36   return (g & -2) | 1;
  37 }
  38
  39 int test8(int h)
  40 {
  41   return (h & -2) | 1;
  42 }
  43
  44 unsigned int test9(unsigned int i)
  45 {
  46   return (i & 3) | 1;
  47 }
  48
  49 int test10(int j)
  50 {
  51   return (j & 3) | 1;
  52 }
  53
  54 /* { dg-final { scan-tree-dump-times "a \& 1 \\| 1" 0 "original" } } */
  55 /* { dg-final { scan-tree-dump-times "b \& 1 \\| 1" 0 "original" } } */
  56 /* { dg-final { scan-tree-dump-times "\\(c \\| 1\\) \& 1" 0 "original" } } */
  57 /* { dg-final { scan-tree-dump-times "\\(d \\| 1\\) \& 1" 0 "original" } } */
  58 /* { dg-final { scan-tree-dump-times "e \& 2 \\| 4" 1 "original" } } */
  59 /* { dg-final { scan-tree-dump-times "f \& 2 \\| 4" 1 "original" } } */
  60 /* { dg-final { scan-tree-dump-times "g \\| 1" 1 "original" } } */
  61 /* { dg-final { scan-tree-dump-times "h \\| 1" 1 "original" } } */
  62 /* { dg-final { scan-tree-dump-times "i \& 2 \\| 1" 1 "original" } } */
  63 /* { dg-final { scan-tree-dump-times "j \& 2 \\| 1" 1 "original" } } */
  64