1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-original" } */
test1(int a)3 int test1(int a)
4 {
5 return !(a & 1);
6 }
7
test2(int b)8 int test2(int b)
9 {
10 return (b & 1) == 0;
11 }
12
test3(int c)13 int test3(int c)
14 {
15 return (c & 1) ^ 1;
16 }
17
test4(int d)18 int test4(int d)
19 {
20 return (d ^ 1) & 1;
21 }
22
test5(int e)23 int test5(int e)
24 {
25 return ~e & 1;
26 }
27
28 /* { dg-final { scan-tree-dump-times "\\(a \& 1\\) == 0" 1 "original" } } */
29 /* { dg-final { scan-tree-dump-times "\\(b \& 1\\) == 0" 1 "original" } } */
30 /* { dg-final { scan-tree-dump-times "\\(c \& 1\\) == 0" 1 "original" } } */
31 /* { dg-final { scan-tree-dump-times "\\(d \& 1\\) == 0" 1 "original" } } */
32 /* { dg-final { scan-tree-dump-times "\\(e \& 1\\) == 0" 1 "original" } } */
33 /* { dg-final { cleanup-tree-dump "original" } } */
34