fixup! Update test

Author: mshockwave

llvm/test/CodeGen/RISCV/rvv/fp4-bitcast.ll

@@ -4,6 +4,29 @@
 define <2 x i8> @fp4(<4 x i4> %0) nounwind {
 ; CHECK-LABEL: fp4:
 ; CHECK:       # %bb.0:
+; CHECK-NEXT:    addi sp, sp, -16
+; CHECK-NEXT:    vsetivli zero, 1, e8, mf4, ta, ma
+; CHECK-NEXT:    vmv.x.s a0, v8
+; CHECK-NEXT:    vslidedown.vi v9, v8, 1
+; CHECK-NEXT:    vmv.x.s a1, v9
+; CHECK-NEXT:    vslidedown.vi v9, v8, 2
+; CHECK-NEXT:    vslidedown.vi v8, v8, 3
+; CHECK-NEXT:    andi a0, a0, 15
+; CHECK-NEXT:    vmv.x.s a2, v9
+; CHECK-NEXT:    andi a1, a1, 15
+; CHECK-NEXT:    slli a1, a1, 4
+; CHECK-NEXT:    or a0, a0, a1
+; CHECK-NEXT:    vmv.x.s a1, v8
+; CHECK-NEXT:    andi a2, a2, 15
+; CHECK-NEXT:    slli a1, a1, 12
+; CHECK-NEXT:    slli a2, a2, 8
+; CHECK-NEXT:    or a1, a2, a1
+; CHECK-NEXT:    or a0, a0, a1
+; CHECK-NEXT:    sh a0, 14(sp)
+; CHECK-NEXT:    addi a0, sp, 14
+; CHECK-NEXT:    vsetivli zero, 2, e8, mf8, ta, ma
+; CHECK-NEXT:    vle8.v v8, (a0)
+; CHECK-NEXT:    addi sp, sp, 16
 ; CHECK-NEXT:    ret
   %2 = bitcast <4 x i4> %0 to <2 x i8>
   ret <2 x i8> %2