[Reassociate] Update test after recent change

Fix test expectation after 3bcccb6.

Author: nikic

llvm/test/Transforms/Reassociate/reassoc_bool_vec.ll

@@ -57,13 +57,12 @@ define <8 x i1> @vector2(<8 x i1> %a, <8 x i1> %b0, <8 x i1> %b1, <8 x i1> %b2,
 ; CHECK-NEXT:    [[OR6:%.*]] = or <8 x i1> [[B6]], [[A]]
 ; CHECK-NEXT:    [[OR7:%.*]] = or <8 x i1> [[B7]], [[A]]
 ; CHECK-NEXT:    [[XOR0:%.*]] = xor <8 x i1> [[OR1]], [[OR0]]
-; CHECK-NEXT:    [[XOR1:%.*]] = xor <8 x i1> [[XOR0]], [[OR2]]
-; CHECK-NEXT:    [[XOR2:%.*]] = xor <8 x i1> [[XOR1]], [[OR3]]
-; CHECK-NEXT:    [[XOR3:%.*]] = xor <8 x i1> [[XOR2]], [[OR4]]
+; CHECK-NEXT:    [[XOR2:%.*]] = xor <8 x i1> [[XOR0]], [[OR2]]
+; CHECK-NEXT:    [[OR045:%.*]] = xor <8 x i1> [[XOR2]], [[OR3]]
+; CHECK-NEXT:    [[XOR3:%.*]] = xor <8 x i1> [[OR045]], [[OR4]]
 ; CHECK-NEXT:    [[XOR4:%.*]] = xor <8 x i1> [[XOR3]], [[OR5]]
 ; CHECK-NEXT:    [[XOR5:%.*]] = xor <8 x i1> [[XOR4]], [[OR6]]
 ; CHECK-NEXT:    [[XOR6:%.*]] = xor <8 x i1> [[XOR5]], [[OR7]]
-; CHECK-NEXT:    [[OR045:%.*]] = or <8 x i1> [[XOR1]], [[XOR0]]
 ; CHECK-NEXT:    [[OR4560:%.*]] = or <8 x i1> [[OR045]], [[XOR2]]
 ; CHECK-NEXT:    [[OR023:%.*]] = or <8 x i1> [[OR4560]], [[XOR3]]
 ; CHECK-NEXT:    [[OR001:%.*]] = or <8 x i1> [[OR023]], [[XOR4]]