[RISCV] Update test for #99821 after #100116. NFC

Author: lukel97

llvm/test/CodeGen/RISCV/rvv/pr99782.ll

@@ -5,9 +5,9 @@ define void @vslidedown() {
   ; CHECK-LABEL: name: vslidedown
   ; CHECK: bb.0.entry:
   ; CHECK-NEXT:   [[ADDI:%[0-9]+]]:gpr = ADDI %stack.0.v, 0
-  ; CHECK-NEXT:   [[VL8RE8_V:%[0-9]+]]:vrm8 = VL8RE8_V killed [[ADDI]] :: (load (<vscale x 1 x s512>) from %ir.v, align 1)
+  ; CHECK-NEXT:   [[PseudoVLE8_V_M8_:%[0-9]+]]:vrm8 = PseudoVLE8_V_M8 $noreg, killed [[ADDI]], -1, 3 /* e8 */, 3 /* ta, ma */ :: (load (<vscale x 1 x s512>) from %ir.v, align 1)
   ; CHECK-NEXT:   [[ADDI1:%[0-9]+]]:gpr = ADDI %stack.1, 0
-  ; CHECK-NEXT:   VS8R_V killed [[VL8RE8_V]], killed [[ADDI1]] :: (store (<vscale x 1 x s512>) into %stack.1)
+  ; CHECK-NEXT:   PseudoVSE8_V_M8 killed [[PseudoVLE8_V_M8_]], killed [[ADDI1]], -1, 3 /* e8 */ :: (store (<vscale x 1 x s512>) into %stack.1)
   ; CHECK-NEXT:   INLINEASM &"vadd.vv $0, $0, $0", 25 /* sideeffect mayload maystore attdialect */, 262166 /* mem:m */, %stack.0.v, 0, 262166 /* mem:m */, %stack.1, 0
   ; CHECK-NEXT:   PseudoRET
 entry: