[RISCV] Fix intrinsic name in comment for lowerInterleavedLoad/lowerInterleavedStore. NFC

llvm/lib/Target/RISCV/RISCVISelLowering.cpp

 /// Lower an interleaved load into a vlsegN intrinsic.
 ///
 /// E.g. Lower an interleaved load (Factor = 2):
 /// %wide.vec = load <8 x i32>, <8 x i32>* %ptr
 /// %v0 = shuffle %wide.vec, undef, <0, 2, 4, 6>  ; Extract even elements
 /// %v1 = shuffle %wide.vec, undef, <1, 3, 5, 7>  ; Extract odd elements
 ///
 /// Into:
-/// %ld2 = { <4 x i32>, <4 x i32> } call llvm.riscv.vlseg.v4i32.p0.i64(
+/// %ld2 = { <4 x i32>, <4 x i32> } call llvm.riscv.seg2.load.v4i32.p0.i64(
 ///                                        %ptr, i64 4)
 /// %vec0 = extractelement { <4 x i32>, <4 x i32> } %ld2, i32 0
 /// %vec1 = extractelement { <4 x i32>, <4 x i32> } %ld2, i32 1
 bool RISCVTargetLowering::lowerInterleavedLoad(
     LoadInst *LI, ArrayRef<ShuffleVectorInst *> Shuffles,
     ArrayRef<unsigned> Indices, unsigned Factor) const {
   IRBuilder<> Builder(LI);
 

 /// %i.vec = shuffle <8 x i32> %v0, <8 x i32> %v1,
 ///                  <0, 4, 8, 1, 5, 9, 2, 6, 10, 3, 7, 11>
 /// store <12 x i32> %i.vec, <12 x i32>* %ptr
 ///
 /// Into:
 /// %sub.v0 = shuffle <8 x i32> %v0, <8 x i32> v1, <0, 1, 2, 3>
 /// %sub.v1 = shuffle <8 x i32> %v0, <8 x i32> v1, <4, 5, 6, 7>
 /// %sub.v2 = shuffle <8 x i32> %v0, <8 x i32> v1, <8, 9, 10, 11>
-/// call void llvm.riscv.vsseg3.v4i32.p0.i64(%sub.v0, %sub.v1, %sub.v2,
-///                                          %ptr, i32 4)
+/// call void llvm.riscv.seg3.store.v4i32.p0.i64(%sub.v0, %sub.v1, %sub.v2,
+///                                              %ptr, i32 4)
 ///
 /// Note that the new shufflevectors will be removed and we'll only generate one
 /// vsseg3 instruction in CodeGen.
 bool RISCVTargetLowering::lowerInterleavedStore(StoreInst *SI,
                                                 ShuffleVectorInst *SVI,
                                                 unsigned Factor) const {
   IRBuilder<> Builder(SI);
   auto *ShuffleVTy = cast<FixedVectorType>(SVI->getType());