[SelectionDAG] Expand VP SDNodes by default.

[craig.topper]

Summary

This allows calls to isOperationLegalOrCustom to be correct inside SelectionDAG for targets where VP isn't supported.

[reames]

LGTM

llvm/lib/CodeGen/TargetLoweringBase.cpp

setOperationAction(
          ISD::VECREDUCE_XOR, ISD::VECREDUCE_SMAX, ISD::VECREDUCE_SMIN,
          ISD::VECREDUCE_UMAX, ISD::VECREDUCE_UMIN, ISD::VECREDUCE_FMAX,
          ISD::VECREDUCE_FMIN, ISD::VECREDUCE_SEQ_FADD, ISD::VECREDUCE_SEQ_FMUL},
         VT, Expand);
 
     // Named vector shuffles default to expand.
     setOperationAction(ISD::VECTOR_SPLICE, VT, Expand);
 
-    // VP_SREM/UREM default to expand.
-    // TODO: Expand all VP intrinsics.
-    setOperationAction(ISD::VP_SREM, VT, Expand);
-    setOperationAction(ISD::VP_UREM, VT, Expand);
+    // VP operations default to expand.
+#define BEGIN_REGISTER_VP_SDNODE(SDOPC, ...)                                   \
+    setOperationAction(ISD::SDOPC, VT, Expand);
+#include "llvm/IR/VPIntrinsics.def"
   }
 
   // Most targets ignore the @llvm.prefetch intrinsic.
   setOperationAction(ISD::PREFETCH, MVT::Other, Expand);
 
   // Most targets also ignore the @llvm.readcyclecounter intrinsic.
   setOperationAction(ISD::READCYCLECOUNTER, MVT::i64, Expand);