message: Clearer code following code review.
diff: @@ -1956,12 +1956,10 @@ static void EmitTile(
  IrArray::Index source_idx = tile_origin_index.AddOffsetToDim(
  start_offset_x, KernelMappingScheme::DimX, b);
  - // True when we all threads will always completly unroll.
  + // True when all threads will always execute all instructions.
  // So we do not need to emit condition.
  - bool always_full_unroll = false;
  - if (mapping_scheme.GetDimsInElems()[2] % tile_size_x == 0){
  - always_full_unroll = true;
  - }
  + bool always_full_tile =
  + mapping_scheme.GetDimsInElems()[2] % tile_size_x == 0;
  ksl->For(
  loop_name + "_y_in_tile",
  @@ -1977,7 +1975,7 @@ static void EmitTile(
  constant(j * step_x), KernelMappingScheme::DimX, b);
  // The if-statement below always evaluates to true for the blocks
  // where the entire processed tile fits within the input buffer.
  - if (!always_full_unroll) {
  + if (!always_full_tile) {
  ksl->If(loop_name + "_x_in_tile", b->CreateICmpULT(x_loc, tile_width),
  [&] { emit_elem_function(source_idx_x, y_loc, x_loc, j); });
  } else {
  