================
@@ -12410,12 +12420,22 @@ bool IntExprEvaluator::VisitBuiltinCallExpr(const
CallExpr *E,
case Builtin::BI__builtin_ctz:
case Builtin::BI__builtin_ctzl:
case Builtin::BI__builtin_ctzll:
- case Builtin::BI__builtin_ctzs: {
+ case Builtin::BI__builtin_ctzs:
+ case Builtin::BI__builtin_ctzg: {
APSInt Val;
if (!EvaluateInteger(E->getArg(0), Val, Info))
return false;
- if (!Val)
+
+ if (!Val) {
+ if (BuiltinOp == Builtin::BI__builtin_ctzg && E->getNumArgs() > 1) {
+ APSInt Fallback;
+ if (!EvaluateInteger(E->getArg(1), Fallback, Info))
+ return false;
+ return Success(Fallback, E);
+ }
----------------
nickdesaulniers wrote:
same feedback applies here.
https://github.com/llvm/llvm-project/pull/86577
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