[clang][Interp] Support ChooseExprs

llvm · Feb 2, 2024 · 58ceefe · 58ceefe
1 parent 2147a2a
commit 58ceefe
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diff --git a/clang/lib/AST/Interp/ByteCodeExprGen.cpp b/clang/lib/AST/Interp/ByteCodeExprGen.cpp
@@ -1948,6 +1948,11 @@ bool ByteCodeExprGen<Emitter>::VisitGenericSelectionExpr(
   return this->delegate(E->getResultExpr());
 }
 
+template <class Emitter>
+bool ByteCodeExprGen<Emitter>::VisitChooseExpr(const ChooseExpr *E) {
+  return this->delegate(E->getChosenSubExpr());
+}
+
 template <class Emitter> bool ByteCodeExprGen<Emitter>::discard(const Expr *E) {
   if (E->containsErrors())
     return false;

diff --git a/clang/lib/AST/Interp/ByteCodeExprGen.h b/clang/lib/AST/Interp/ByteCodeExprGen.h
@@ -109,6 +109,7 @@ class ByteCodeExprGen : public ConstStmtVisitor<ByteCodeExprGen<Emitter>, bool>,
   bool VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *E);
   bool VisitSizeOfPackExpr(const SizeOfPackExpr *E);
   bool VisitGenericSelectionExpr(const GenericSelectionExpr *E);
+  bool VisitChooseExpr(const ChooseExpr *E);
 
 protected:
   bool visitExpr(const Expr *E) override;

diff --git a/clang/test/AST/Interp/c.c b/clang/test/AST/Interp/c.c
@@ -95,3 +95,6 @@ void f (int z) {
                   // pedantic-ref-error {{'default' statement not in switch}}
   }
 }
+
+int expr;
+int chooseexpr[__builtin_choose_expr(1, 1, expr)];