Rebase and update test

Author: lukel97

llvm/test/CodeGen/RISCV/65704-illegal-instruction.ll

@@ -22,11 +22,11 @@ define void @foo(<vscale x 8 x i8> %0) {
 ; CHECK-NEXT:    vmv.v.i v9, 0
 ; CHECK-NEXT:    vsetivli zero, 0, e8, m1, tu, ma
 ; CHECK-NEXT:    vslideup.vi v9, v10, 0
-; CHECK-NEXT:    vsetivli zero, 1, e64, m1, ta, ma
+; CHECK-NEXT:    vsetvli zero, zero, e64, m8, ta, ma
 ; CHECK-NEXT:    vmv.x.s s0, v9
-; CHECK-NEXT:    vsetivli zero, 0, e8, m1, tu, ma
+; CHECK-NEXT:    vsetvli zero, zero, e8, m1, tu, ma
 ; CHECK-NEXT:    vslideup.vi v8, v9, 0
-; CHECK-NEXT:    vsetivli zero, 1, e64, m1, ta, ma
+; CHECK-NEXT:    vsetvli zero, zero, e64, m8, ta, ma
 ; CHECK-NEXT:    vmv.x.s s1, v8
 ; CHECK-NEXT:  .LBB0_1: # =>This Inner Loop Header: Depth=1
 ; CHECK-NEXT:    li a1, 0