diff --git a/llvm/lib/Target/PowerPC/PPCCallingConv.h b/llvm/lib/Target/PowerPC/PPCCallingConv.h
index 235c82c..03d9be0 100644
--- a/llvm/lib/Target/PowerPC/PPCCallingConv.h
+++ b/llvm/lib/Target/PowerPC/PPCCallingConv.h
@@ -19,14 +19,27 @@
 
 namespace llvm {
 
-inline bool CC_PPC_AnyReg_Error(unsigned &, MVT &, MVT &,
-                                CCValAssign::LocInfo &, ISD::ArgFlagsTy &,
-                                CCState &) {
-  llvm_unreachable("The AnyReg calling convention is only supported by the " \
-                   "stackmap and patchpoint intrinsics.");
-  // gracefully fallback to PPC C calling convention on Release builds.
-  return false;
-}
+bool RetCC_PPC(unsigned ValNo, MVT ValVT, MVT LocVT,
+               CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+               CCState &State);
+bool RetCC_PPC64_ELF_FIS(unsigned ValNo, MVT ValVT, MVT LocVT,
+                         CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+                         CCState &State);
+bool RetCC_PPC_Cold(unsigned ValNo, MVT ValVT, MVT LocVT,
+                    CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+                    CCState &State);
+bool CC_PPC32_SVR4(unsigned ValNo, MVT ValVT, MVT LocVT,
+                   CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+                   CCState &State);
+bool CC_PPC64_ELF_FIS(unsigned ValNo, MVT ValVT, MVT LocVT,
+                      CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+                      CCState &State);
+bool CC_PPC32_SVR4_ByVal(unsigned ValNo, MVT ValVT, MVT LocVT,
+                         CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+                         CCState &State);
+bool CC_PPC32_SVR4_VarArg(unsigned ValNo, MVT ValVT, MVT LocVT,
+                          CCValAssign::LocInfo LocInfo,
+                          ISD::ArgFlagsTy ArgFlags, CCState &State);
 
 } // End llvm namespace