Index: lib/Target/PowerPC/PPCInstrInfo.cpp
===================================================================
--- lib/Target/PowerPC/PPCInstrInfo.cpp
+++ lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -695,6 +695,12 @@
   if (Cond[1].getReg() == PPC::CTR || Cond[1].getReg() == PPC::CTR8)
     return false;
 
+  const MachineFunction *MF = MBB.getParent();
+  auto SelectPred = static_cast<PPC::Predicate>(Cond[0].getImm());
+  if (isHintedPredicate(SelectPred) &&
+      MF->getSubtarget<PPCSubtarget>().hasSlowISEL())
+    return false;
+
   // Check register classes.
   const MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo();
   const TargetRegisterClass *RC =