1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 0d3fa07..87b7a2bc 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -2063,7 +2063,9 @@ public:
   /// \param AO Atomic ordering of the generated atomic instructions.
   /// \param CommonGen Code generator for complex expressions that cannot be
   /// expressed through atomicrmw instruction.
-  void EmitOMPAtomicSimpleUpdateExpr(
+  /// \returns <true, OldAtomicValue> if simple 'atomicrmw' instruction was
+  /// generated, <false, RValue::get(nullptr)> otherwise.
+  std::pair<bool, RValue> EmitOMPAtomicSimpleUpdateExpr(
       LValue X, RValue E, BinaryOperatorKind BO, bool IsXLHSInRHSPart,
       llvm::AtomicOrdering AO, SourceLocation Loc,
       const llvm::function_ref<RValue(RValue)> &CommonGen);