New IR -- WIP

[kasiafi]

See core/trino-main/src/main/java/io/trino/sql/newir/README.md for details.

[kasiafi]

example assembly printout

{
  ^query
      %0 = values() : () -> multiset(row(f_1 bigint, f_2 boolean)) ({
          ^row
              %1 = constant() : () -> bigint ()
                  {constant_result = 3:bigint}
              %2 = constant() : () -> boolean ()
                  {constant_result = true:boolean}
              %3 = row(%1, %2) : (bigint, boolean) -> row(bigint, boolean) ()
              %4 = return(%3) : (row(bigint, boolean)) -> row(bigint, boolean) ()
          }, {
          ^row
              %5 = constant() : () -> bigint ()
                  {constant_result = 5:bigint}
              %6 = constant() : () -> boolean ()
                  {constant_result = false:boolean}
              %7 = row(%5, %6) : (bigint, boolean) -> row(bigint, boolean) ()
              %8 = return(%7) : (row(bigint, boolean)) -> row(bigint, boolean) ()
          })
          {cardinality = 2}
      %9 = filter(%0) : (multiset(row(f_1 bigint, f_2 boolean))) -> multiset(row(f_1 bigint, f_2 boolean)) ({
          ^predicate (%10 : row(f_1 bigint, f_2 boolean))
              %11 = constant() : () -> boolean ()
                  {constant_result = true:boolean}
              %12 = return(%11) : (boolean) -> boolean ()
          })
      %13 = output(%9) : (multiset(row(f_1 bigint, f_2 boolean))) -> io.trino.spi.type.VoidType@5e0ca599 ({
          ^outputFieldSelector (%14 : row(f_1 bigint, f_2 boolean))
              %15 = field_selection(%14) : (row(f_1 bigint, f_2 boolean)) -> bigint ()
                  {field_name = f_1}
              %16 = row(%15) : (bigint) -> row(bigint) ()
              %17 = return(%16) : (row(bigint)) -> row(bigint) ()
          })
          {output_names = [col_a]}
  }