1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-original" } */
3
test1(unsigned int a)4 unsigned int test1(unsigned int a)
5 {
6 return (a & 1) | 1;
7 }
8
test2(int b)9 int test2(int b)
10 {
11 return (b & 1) | 1;
12 }
13
test3(unsigned int c)14 unsigned int test3(unsigned int c)
15 {
16 return (c | 1) & 1;
17 }
18
test4(int d)19 int test4(int d)
20 {
21 return (d | 1) & 1;
22 }
23
test5(unsigned int e)24 unsigned int test5(unsigned int e)
25 {
26 return (e | 4) & 6;
27 }
28
test6(int f)29 int test6(int f)
30 {
31 return (f | 4) & 6;
32 }
33
test7(unsigned int g)34 unsigned int test7(unsigned int g)
35 {
36 return (g & -2) | 1;
37 }
38
test8(int h)39 int test8(int h)
40 {
41 return (h & -2) | 1;
42 }
43
test9(unsigned int i)44 unsigned int test9(unsigned int i)
45 {
46 return (i & 3) | 1;
47 }
48
test10(int j)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
65