| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ |
| |
| int f(int y, int x) |
| { |
| int a = x | y; |
| return a & x; |
| } |
| int f1(int y, int x) |
| { |
| int a = y | x; |
| return a & x; |
| } |
| int f2(int y, int x) |
| { |
| int a = x | y; |
| return x & a; |
| } |
| int f3(int y, int x) |
| { |
| int a = x | y; |
| return x & a; |
| } |
| int f4(int y, int x) |
| { |
| int a = x & y; |
| return a | x; |
| } |
| int f5(int y, int x) |
| { |
| int a = y & x; |
| return a | x; |
| } |
| int f6(int y, int x) |
| { |
| int a = x & y; |
| return x | a; |
| } |
| int f7(int y, int x) |
| { |
| int a = x & y; |
| return x | a; |
| } |
| /* These all should be optimized to just return x; */ |
| |
| |
| /* { dg-final { scan-tree-dump-times "\\\|" 0 "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times "\&" 0 "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times "return x_..D.;" 8 "optimized" } } */ |
| /* { dg-final { cleanup-tree-dump "optimized" } } */ |
