diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h
index 591f2ee..eac9dc5 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.h
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h
@@ -758,7 +758,7 @@
 
     bool isZExtFree(SDValue Val, EVT VT2) const override;
 
-    bool isFPExtFree(EVT VT) const override;
+    bool isFPExtFree(EVT DestVT, EVT SrcVT) const override;
 
     /// \brief Returns true if it is beneficial to convert a load of a constant
     /// to just the constant itself.