message: [TableGen] Add more scalar integer and floating-point types
diff: @@ -143,7 +143,10 @@ class I<int width>
  int bitwidth = width;
  }
  def I1 : I<1>;
  +def I8 : I<8>;
  +def I16 : I<16>;
  def I32 : I<32>;
  +def I64 : I<64>;
  // Floating point types.
  class FloatBase<CPred pred, string descr> : Type<pred, descr>;
  @@ -159,6 +162,7 @@ class F<int width>
  int bitwidth = width;
  }
  +def F16 : F<16>;
  def F32 : F<32>;
  def F64 : F<64>;
  