| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ |
| signed char f(unsigned char a) |
| { |
| unsigned char b = a & 127; |
| signed char c = (signed char) b; |
| signed char d = (signed char) a; |
| signed char e = d & -128; |
| signed char h = c | e; |
| return h; |
| } |
| /* The above should reduce down to just return with a cast. |
| removing the two &s there and |'s. */ |
| /* { dg-final { scan-tree-dump-times "& 127" 0 "optimized"} } */ |
| /* { dg-final { scan-tree-dump-times "& -128" 0 "optimized"} } */ |
| /* { dg-final { scan-tree-dump-times "\\\| " 0 "optimized"} } */ |
