[CostModel][X86] getIntrinsicInstrCost - lrint/llrint costs can use getCastInstrCost without argument data

We don't use the IntrinsicCostAttributes arguments so, which allows us to use in type-only analysis in a future patch.

Author: RKSimon

llvm/lib/Target/X86/X86TargetTransformInfo.cpp

@@ -4482,15 +4482,13 @@ X86TTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
     }
     break;
   case Intrinsic::lrint:
-  case Intrinsic::llrint:
+  case Intrinsic::llrint: {
     // X86 can use the CVTP2SI instructions to lower lrint/llrint calls, which
     // have the same costs as the CVTTP2SI (fptosi) instructions
-    if (!ICA.isTypeBasedOnly()) {
-      const SmallVectorImpl<Type *> &ArgTys = ICA.getArgTypes();
-      return getCastInstrCost(Instruction::FPToSI, RetTy, ArgTys[0],
-                              TTI::CastContextHint::None, CostKind);
-    }
-    break;
+    const SmallVectorImpl<Type *> &ArgTys = ICA.getArgTypes();
+    return getCastInstrCost(Instruction::FPToSI, RetTy, ArgTys[0],
+                            TTI::CastContextHint::None, CostKind);
+  }
   case Intrinsic::maxnum:
   case Intrinsic::minnum:
     // FMINNUM has same costs so don't duplicate.