diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index dcff6ad..149cc4d 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -746,8 +746,8 @@
   unsigned OpCode = Is64Bit ? PPC::ISEL8 : PPC::ISEL;
   auto SelectPred = static_cast<PPC::Predicate>(Cond[0].getImm());
 
-  unsigned SubIdx;
-  bool SwapOps;
+  unsigned SubIdx = 0;
+  bool SwapOps = false;
   switch (SelectPred) {
   case PPC::PRED_EQ:
   case PPC::PRED_EQ_MINUS: