================
@@ -157,4 +157,13 @@ namespace Bitfields {
// expected-warning {{changes value from 100 to 0}}
}
+namespace BitOps {
+ constexpr unsigned __int128 UZero = 0;
+ constexpr unsigned __int128 Max = ~UZero;
+ static_assert(Max == ~0, "");
+ static_assert((Max & 0) == 0, "");
+ static_assert((UZero | 0) == 0, "");
+ static_assert((Max ^ Max) == 0, "");
----------------
AaronBallman wrote:
```suggestion
static_assert((Max & 0) == 0, "");
static_assert((UZero | 0) == 0, "");
static_assert((Max ^ Max) == 0, "");
static_assert((Max & 1) == 1, "");
static_assert((UZero | 1) == 1, "");
static_assert((Max ^ UZero) == Max, "");
```
Let's add some tests where the results aren't zero.
https://github.com/llvm/llvm-project/pull/71807
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