[RISCV][NFC] Simplify code.

[jacquesguan]

Summary

Use AllVectors to replace !listconcat(AllIntegerVectors, AllFloatVectors).

[craig.topper]

LGTM

llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td

foreach vti = AllIntegerVectors in {
   def : Pat<(vti.Vector (riscv_slide1down_vl (vti.Vector vti.RegClass:$rd),
                                              (vti.Vector vti.RegClass:$rs1),
                                              GPR:$rs2, (vti.Mask true_mask),
                                              VLOpFrag)),
             (!cast<Instruction>("PseudoVSLIDE1DOWN_VX_"#vti.LMul.MX#"_TU")
                 vti.RegClass:$rd, vti.RegClass:$rs1, GPR:$rs2, GPR:$vl, vti.Log2SEW)>;
 }
 
-foreach vti = !listconcat(AllIntegerVectors, AllFloatVectors) in {
+foreach vti = AllVectors in {
   def : Pat<(vti.Vector (riscv_slideup_vl (vti.Vector vti.RegClass:$rs3),
                                           (vti.Vector vti.RegClass:$rs1),
                                           uimm5:$rs2, (vti.Mask true_mask),
                                           VLOpFrag, (XLenVT timm:$policy))),
             (!cast<Instruction>("PseudoVSLIDEUP_VI_"#vti.LMul.MX)
                 vti.RegClass:$rs3, vti.RegClass:$rs1, uimm5:$rs2,
                 GPR:$vl, vti.Log2SEW, (XLenVT timm:$policy))>;