1 files changed, 4 insertions, 0 deletions
diff --git a/backend/include/rcc/CodeGen/GlobalISel/LegalizerHelper.h b/backend/include/rcc/CodeGen/GlobalISel/LegalizerHelper.h
index 0fdc89f..ece0793 100644
--- a/backend/include/rcc/CodeGen/GlobalISel/LegalizerHelper.h
+++ b/backend/include/rcc/CodeGen/GlobalISel/LegalizerHelper.h
@@ -70,6 +70,10 @@ private:
                                                   LowLevelType NarrowType);
   [[nodiscard]] Expected<void> narrowScalarExt(MachineInstr &Instruction, std::size_t TypeIndex,
                                                LowLevelType NarrowType);
+  [[nodiscard]] Expected<void> widenScalarAddSubOverflow(MachineInstr &Instruction,
+                                                         std::size_t TypeIndex,
+                                                         LowLevelType WideType);
+  [[nodiscard]] Expected<void> lowerSignedAddSubOverflow(MachineInstr &Instruction);
 
   MachineFunction &Function;
   MachineRegisterInfo &MRI;