if ft.IsBoolean() && tt.IsKind(types.TUINT8) {
		// Bool -> uint8 is generated internally when indexing into runtime.staticbyte.
		return s.newValue1(ssa.OpCvtBoolToUint8, tt, v)
	}
	if ft.IsInteger() && tt.IsInteger() {
		var op ssa.Op
		if tt.Size() == ft.Size() {
			op = ssa.OpCopy
		} else if tt.Size() < ft.Size() {
			// truncation
			switch 10*ft.Size() + tt.Size() {
			case 21:

    Value interior_padding_tensor =
        rewriter.create<mhlo::ConstantOp>(loc, interior_attr);
    Type paddings_elem_ty = paddings_type.getElementType();
    if (!paddings_elem_ty.isInteger(64)) {
      interior_padding_tensor = rewriter.create<mhlo::ConvertOp>(
          loc, interior_padding_tensor, paddings_elem_ty);
    }
    llvm::SmallVector<int64_t, 2> transposed_shape = {2, input_rank};