| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-dce3" } */ |
| |
| #include <limits.h> |
| |
| _Bool or1(unsigned x, unsigned y) |
| { |
| /* x <= y || x == 0 --> x <= y */ |
| return x <= y || x == 0; |
| } |
| |
| _Bool or2(unsigned x, unsigned y) |
| { |
| /* x >= y || x == UINT_MAX --> x >= y */ |
| return x >= y || x == UINT_MAX; |
| } |
| |
| _Bool or3(signed x, signed y) |
| { |
| /* x <= y || x == INT_MIN --> x <= y */ |
| return x <= y || x == INT_MIN; |
| } |
| |
| _Bool or4(signed x, signed y) |
| { |
| /* x >= y || x == INT_MAX --> x >= y */ |
| return x >= y || x == INT_MAX; |
| } |
| |
| /* { dg-final { scan-tree-dump-not " == " "dce3" } } */ |