================
@@ -10069,6 +10069,17 @@ static std::optional<IntRange>
TryGetExprRange(ASTContext &C, const Expr *E,
case UO_AddrOf: // should be impossible
return IntRange::forValueOfType(C, GetExprType(E));
+ case UO_Not: {
+ std::optional<IntRange> SubRange = TryGetExprRange(
+ C, UO->getSubExpr(), MaxWidth, InConstantContext, Approximate);
+ if (!SubRange)
+ return std::nullopt;
+
+ // The width increments by 1 if the sub-expression cannot be negative
+ // since it now can be.
+ return IntRange(SubRange->Width + (int)SubRange->NonNegative, false);
----------------
YutongZhuu wrote:
Fixed as suggested. Thanks for the help!
https://github.com/llvm/llvm-project/pull/126846
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