================
@@ -15774,7 +15768,53 @@ bool IntExprEvaluator::VisitBuiltinCallExpr(const
CallExpr *E,
!EvaluateInteger(E->getArg(1), Amt, Info))
return false;
- return Success(Val.rotr(Amt), E);
+ // Normalize shift amount to [0, BitWidth) range to match runtime behavior
+ unsigned BitWidth = Val.getBitWidth();
----------------
efriedma-quic wrote:
Please move the APInt code for performing the rotate into a helper shared by
ExprConstant and InterpBuiltin.
https://github.com/llvm/llvm-project/pull/160259
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