PPC: Mark vector CC action for SETO and SETONE as Expand

Another bug found by llvm-stress! This fixes hitting
  llvm_unreachable("Invalid integer vector compare condition");
at the end of getVCmpInst in PPCISelDAGToDAG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185855 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 685b082..1759c04 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -487,6 +487,9 @@
     setCondCodeAction(ISD::SETUGE, MVT::v4f32, Expand);
     setCondCodeAction(ISD::SETULT, MVT::v4f32, Expand);
     setCondCodeAction(ISD::SETULE, MVT::v4f32, Expand);
+
+    setCondCodeAction(ISD::SETO,   MVT::v4f32, Expand);
+    setCondCodeAction(ISD::SETONE, MVT::v4f32, Expand);
   }
 
   if (Subtarget->has64BitSupport()) {