diff --git a/llvm/lib/Target/AMDGPU/SIRegisterInfo.h b/llvm/lib/Target/AMDGPU/SIRegisterInfo.h
index 844f0317a1e7..258de19a17b0 100644
--- a/llvm/lib/Target/AMDGPU/SIRegisterInfo.h
+++ b/llvm/lib/Target/AMDGPU/SIRegisterInfo.h
@@ -26,6 +26,8 @@ class SISubtarget;
 class SIMachineFunctionInfo;
 
 class SIRegisterInfo final : public AMDGPURegisterInfo {
+  using AMDGPUGenRegisterInfo::getRegUnitWeight;
+
 private:
   unsigned SGPRSetID;
   unsigned VGPRSetID;