| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-optimized-raw" } */ |
| |
| int g(int x, int y) |
| { |
| int xp = ~x; |
| return (x | y) & (xp ^ y); // x & y |
| } |
| int g0(int x, int y) |
| { |
| int xp = ~x; |
| return (xp | y) & (x ^ y); // ~x & y |
| } |
| |
| _Bool gb(_Bool x, _Bool y) |
| { |
| _Bool xp = !x; |
| return (x | y) & (xp ^ y); // x & y |
| } |
| _Bool gb0(_Bool x, _Bool y) |
| { |
| _Bool xp = !x; |
| return (xp | y) & (x ^ y); // !x & y |
| } |
| |
| |
| _Bool gbi(int a, int b) |
| { |
| _Bool x = a < 2; |
| _Bool y = b < 3; |
| _Bool xp = !x; |
| return (x | y) & (xp ^ y); // x & y |
| } |
| _Bool gbi0(int a, int b) |
| { |
| _Bool x = a < 2; |
| _Bool y = b < 3; |
| _Bool xp = !x; |
| return (xp | y) & (x ^ y); // !x & y |
| } |
| |
| /* All of these should be optimized to `x & y` or `~x & y` */ |
| /* { dg-final { scan-tree-dump-times "le_expr, " 3 "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times "gt_expr, " 1 "optimized" } } */ |
| /* { dg-final { scan-tree-dump-not "bit_xor_expr, " "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times "bit_and_expr, " 6 "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times "bit_not_expr, " 2 "optimized" } } */ |
