diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
index 3bb50c08bee047..08f1c9ffb738a3 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
@@ -77,6 +77,12 @@ MCInst RISCVInstrInfo::getNop() const {
       .addImm(0);
 }
 
+unsigned RISCVInstrInfo::isLoadFromStackSlot(const MachineInstr &MI,
+                                             int &FrameIndex) const {
+  unsigned Dummy;
+  return isLoadFromStackSlot(MI, FrameIndex, Dummy);
+}
+
 unsigned RISCVInstrInfo::isLoadFromStackSlot(const MachineInstr &MI,
                                              int &FrameIndex,
                                              unsigned &MemBytes) const {
@@ -112,6 +118,12 @@ unsigned RISCVInstrInfo::isLoadFromStackSlot(const MachineInstr &MI,
   return 0;
 }
 
+unsigned RISCVInstrInfo::isStoreToStackSlot(const MachineInstr &MI,
+                                            int &FrameIndex) const {
+  unsigned Dummy;
+  return isStoreToStackSlot(MI, FrameIndex, Dummy);
+}
+
 unsigned RISCVInstrInfo::isStoreToStackSlot(const MachineInstr &MI,
                                             int &FrameIndex,
                                             unsigned &MemBytes) const {
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfo.h b/llvm/lib/Target/RISCV/RISCVInstrInfo.h
index f0f5fd14922ff4..cc84e9c07d0d6a 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfo.h
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfo.h
@@ -49,8 +49,12 @@ class RISCVInstrInfo : public RISCVGenInstrInfo {
   MCInst getNop() const override;
   const MCInstrDesc &getBrCond(RISCVCC::CondCode CC) const;
 
+  unsigned isLoadFromStackSlot(const MachineInstr &MI,
+                               int &FrameIndex) const override;
   unsigned isLoadFromStackSlot(const MachineInstr &MI, int &FrameIndex,
                                unsigned &MemBytes) const override;
+  unsigned isStoreToStackSlot(const MachineInstr &MI,
+                              int &FrameIndex) const override;
   unsigned isStoreToStackSlot(const MachineInstr &MI, int &FrameIndex,
                               unsigned &MemBytes) const override;