$OpenBSD: patch-lib_Target_PowerPC_PPCFrameLowering_cpp,v 1.3 2020/11/18 21:20:00 jca Exp $

Add RETGUARD implementation for powerpc and powerpc64.

Index: lib/Target/PowerPC/PPCFrameLowering.cpp
--- lib/Target/PowerPC/PPCFrameLowering.cpp.orig
+++ lib/Target/PowerPC/PPCFrameLowering.cpp
@@ -14,6 +14,7 @@
 #include "PPCInstrBuilder.h"
 #include "PPCInstrInfo.h"
 #include "PPCMachineFunctionInfo.h"
+#include "PPCReturnProtectorLowering.h"
 #include "PPCSubtarget.h"
 #include "PPCTargetMachine.h"
 #include "llvm/ADT/Statistic.h"
@@ -2461,4 +2462,8 @@ bool PPCFrameLowering::enableShrinkWrapping(const Mach
     return false;
   return (MF.getSubtarget<PPCSubtarget>().isSVR4ABI() &&
           MF.getSubtarget<PPCSubtarget>().isPPC64());
+}
+
+const ReturnProtectorLowering *PPCFrameLowering::getReturnProtector() const {
+  return &RPL;
 }
