[TTI][RISCV] Deduplicate type-based VP costing of vpcmp/vpcast

Refered to: llvm#115983

Author: LiqinWeng

llvm/include/llvm/CodeGen/BasicTTIImpl.h

@@ -1618,6 +1618,21 @@ class BasicTTIImplBase : public TargetTransformInfoImplCRTPBase<T> {
           return thisT()->getArithmeticInstrCost(*FOp, ICA.getReturnType(),
                                                  CostKind);
         }
+        if (VPCastIntrinsic::isVPCast(ICA.getID())) {
+          return thisT()->getCastInstrCost(
+              *FOp, ICA.getReturnType(), ICA.getArgTypes()[0],
+              TTI::CastContextHint::None, CostKind);
+        }
+        if (VPCmpIntrinsic::isVPCmp(ICA.getID())) {
+          // We can only handle vp_cmp intrinsics with underlying instructions.
+          if (ICA.getInst()) {
+            assert(FOp);
+            auto *UI = cast<VPCmpIntrinsic>(ICA.getInst());
+            return thisT()->getCmpSelInstrCost(*FOp, ICA.getArgTypes()[0],
+                                               ICA.getReturnType(),
+                                               UI->getPredicate(), CostKind);
+          }
+        }
       }
 
       std::optional<Intrinsic::ID> FID =

llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp

@@ -1113,39 +1113,6 @@ RISCVTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
     return getArithmeticInstrCost(*FOp, ICA.getReturnType(), CostKind);
     break;
   }
-  // vp int cast ops.
-  case Intrinsic::vp_trunc:
-  case Intrinsic::vp_zext:
-  case Intrinsic::vp_sext:
-  // vp float cast ops.
-  case Intrinsic::vp_fptoui:
-  case Intrinsic::vp_fptosi:
-  case Intrinsic::vp_uitofp:
-  case Intrinsic::vp_sitofp:
-  case Intrinsic::vp_fptrunc:
-  case Intrinsic::vp_fpext: {
-    std::optional<unsigned> FOp =
-        VPIntrinsic::getFunctionalOpcodeForVP(ICA.getID());
-    assert(FOp.has_value() && !ICA.getArgTypes().empty());
-    return getCastInstrCost(*FOp, RetTy, ICA.getArgTypes()[0],
-                            TTI::CastContextHint::None, CostKind);
-    break;
-  }
-
-  // vp compare
-  case Intrinsic::vp_icmp:
-  case Intrinsic::vp_fcmp: {
-    Intrinsic::ID IID = ICA.getID();
-    std::optional<unsigned> FOp = VPIntrinsic::getFunctionalOpcodeForVP(IID);
-    // We can only handle vp_cmp intrinsics with underlying instructions.
-    if (!ICA.getInst())
-      break;
-
-    assert(FOp);
-    auto *UI = cast<VPCmpIntrinsic>(ICA.getInst());
-    return getCmpSelInstrCost(*FOp, ICA.getArgTypes()[0], ICA.getReturnType(),
-                              UI->getPredicate(), CostKind);
-  }
   case Intrinsic::vp_select: {
     Intrinsic::ID IID = ICA.getID();
     std::optional<unsigned> FOp = VPIntrinsic::getFunctionalOpcodeForVP(IID);