forked from M-Labs/nac3
nac3core: irrt list of tuple use struct value representation
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77608346b1
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e50f1017fa
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@ -129,3 +129,74 @@ int32_t __nac3_range_slice_len(const int32_t start, const int32_t end, const int
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DEF_SLICE_ASSIGN(uint8_t)
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DEF_SLICE_ASSIGN(uint32_t)
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DEF_SLICE_ASSIGN(uint64_t)
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int32_t __nac3_list_slice_assign_var_size(
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int32_t dest_start,
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int32_t dest_end,
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int32_t dest_step,
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uint8_t *dest_arr,
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int32_t dest_arr_len,
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int32_t src_start,
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int32_t src_end,
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int32_t src_step,
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uint8_t *src_arr,
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int32_t src_arr_len,
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const int32_t size
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) {
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/* if dest_arr_len == 0, do nothing since we do not support extending list */
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if (dest_arr_len == 0) return dest_arr_len;
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/* if both step is 1, memmove directly, handle the dropping of the list, and shrink size */
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if (src_step == dest_step && dest_step == 1) {
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const int32_t src_len = (src_end >= src_start) ? (src_end - src_start + 1) : 0;
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const int32_t dest_len = (dest_end >= dest_start) ? (dest_end - dest_start + 1) : 0;
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if (src_len > 0) {
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__builtin_memmove(
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dest_arr + dest_start * size,
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src_arr + src_start * size,
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src_len * size
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);
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}
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if (dest_len > 0) {
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/* dropping */
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__builtin_memmove(
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dest_arr + (dest_start + src_len) * size,
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dest_arr + (dest_end + 1) * size,
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(dest_arr_len - dest_end - 1) * size
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);
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}
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/* shrink size */
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return dest_arr_len - (dest_len - src_len);
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}
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/* if two range overlaps, need alloca */
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uint8_t need_alloca =
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(dest_arr == src_arr)
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&& !(
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MAX(dest_start, dest_end) < MIN(src_start, src_end)
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|| MAX(src_start, src_end) < MIN(dest_start, dest_end)
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);
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if (need_alloca) {
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uint8_t *tmp = alloca(src_arr_len * size);
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__builtin_memcpy(tmp, src_arr, src_arr_len * size);
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src_arr = tmp;
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}
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int32_t src_ind = src_start;
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int32_t dest_ind = dest_start;
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for (;
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(src_step > 0) ? (src_ind <= src_end) : (src_ind >= src_end);
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src_ind += src_step, dest_ind += dest_step
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) {
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/* memcpy for var size, cannot overlap after previous alloca */
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__builtin_memcpy(dest_arr + dest_ind * size, src_arr + src_ind * size, size);
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}
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/* only dest_step == 1 can we shrink the dest list. */
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/* size should be ensured prior to calling this function */
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if (dest_step == 1 && dest_end >= dest_start) {
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__builtin_memmove(
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dest_arr + dest_ind * size,
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dest_arr + (dest_end + 1) * size,
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(dest_arr_len - dest_end - 1) * size
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);
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return dest_arr_len - (dest_end - dest_ind) - 1;
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}
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return dest_arr_len;
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}
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@ -239,48 +239,52 @@ pub fn list_slice_assignment<'ctx, 'a>(
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let int32 = ctx.ctx.i32_type();
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let int32_ptr = int32.ptr_type(AddressSpace::Generic);
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let int64_ptr = ctx.ctx.i64_type().ptr_type(AddressSpace::Generic);
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let fun_symbol = if let BasicTypeEnum::IntType(ty) = ty {
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match ty.get_bit_width() {
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w if w < 32 => "__nac3_list_slice_assign_uint8_t",
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32 => "__nac3_list_slice_assign_uint32_t",
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64 => "__nac3_list_slice_assign_uint64_t",
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let elem_size = match ty {
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BasicTypeEnum::IntType(ty) => match ty.get_bit_width() {
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w if w < 32 => Some(8),
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w if w == 32 || w == 64 => Some(w),
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_ => unreachable!(),
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}
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} else if ty.is_float_type() {
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"__nac3_list_slice_assign_uint64_t"
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} else if ty.is_pointer_type() {
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match size_ty.get_bit_width() {
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32 => "__nac3_list_slice_assign_uint32_t",
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64 => "__nac3_list_slice_assign_uint64_t",
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},
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BasicTypeEnum::FloatType(_) => Some(64),
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BasicTypeEnum::PointerType(_) => match size_ty.get_bit_width() {
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w if w == 32 || w == 64 => Some(w),
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_ => unreachable!(),
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}
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} else {
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unreachable!()
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};
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let elem_ptr_type = match fun_symbol {
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"__nac3_list_slice_assign_uint8_t" => int8_ptr,
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"__nac3_list_slice_assign_uint32_t" => int32_ptr,
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"__nac3_list_slice_assign_uint64_t" => int64_ptr,
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},
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BasicTypeEnum::StructType(_) => None,
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_ => unreachable!(),
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};
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let slice_assign_fun = ctx.module.get_function(fun_symbol).unwrap_or_else(|| {
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let fn_t = int32.fn_type(
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&[
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int32.into(), // dest start idx
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int32.into(), // dest end idx
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int32.into(), // dest step
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elem_ptr_type.into(), // dest arr ptr
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int32.into(), // dest arr len
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int32.into(), // src start idx
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int32.into(), // src end idx
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int32.into(), // src step
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elem_ptr_type.into(), // src arr ptr
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int32.into(), // src arr len
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],
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false,
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);
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ctx.module.add_function(fun_symbol, fn_t, None)
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});
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let (fun_symbol, elem_ptr_type) = match elem_size {
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Some(8) => ("__nac3_list_slice_assign_uint8_t", int8_ptr),
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Some(32) => ("__nac3_list_slice_assign_uint32_t", int32_ptr),
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Some(64) => ("__nac3_list_slice_assign_uint64_t", int64_ptr),
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_ => ("__nac3_list_slice_assign_var_size", int8_ptr),
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};
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let slice_assign_fun = {
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let mut ty_vec = vec![
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int32.into(), // dest start idx
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int32.into(), // dest end idx
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int32.into(), // dest step
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elem_ptr_type.into(), // dest arr ptr
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int32.into(), // dest arr len
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int32.into(), // src start idx
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int32.into(), // src end idx
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int32.into(), // src step
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elem_ptr_type.into(), // src arr ptr
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int32.into(), // src arr len
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];
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ctx.module.get_function(fun_symbol).unwrap_or_else(|| {
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let fn_t = int32.fn_type(
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{
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if fun_symbol == "__nac3_list_slice_assign_var_size" {
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ty_vec.push(int32.into());
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}
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ty_vec.as_slice()
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},
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false,
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);
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ctx.module.add_function(fun_symbol, fn_t, None)
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})
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};
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let zero = int32.const_zero();
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let one = int32.const_int(1, false);
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@ -304,27 +308,36 @@ pub fn list_slice_assignment<'ctx, 'a>(
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// index in bound and positive should be done
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// TODO: assert if dest.step == 1 then len(src) <= len(dest) else len(src) == len(dest), and
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// throw exception if not satisfied
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let new_len = ctx
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.builder
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.build_call(
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slice_assign_fun,
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&[
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dest_idx.0.into(), // dest start idx
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dest_idx.1.into(), // dest end idx
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dest_idx.2.into(), // dest step
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dest_arr_ptr.into(), // dest arr ptr
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dest_len.into(), // dest arr len
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src_idx.0.into(), // src start idx
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src_idx.1.into(), // src end idx
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src_idx.2.into(), // src step
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src_arr_ptr.into(), // src arr ptr
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src_len.into(), // src arr len
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],
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"slice_assign",
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)
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.try_as_basic_value()
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.unwrap_left()
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.into_int_value();
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let new_len = {
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let mut args = vec![
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dest_idx.0.into(), // dest start idx
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dest_idx.1.into(), // dest end idx
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dest_idx.2.into(), // dest step
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dest_arr_ptr.into(), // dest arr ptr
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dest_len.into(), // dest arr len
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src_idx.0.into(), // src start idx
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src_idx.1.into(), // src end idx
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src_idx.2.into(), // src step
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src_arr_ptr.into(), // src arr ptr
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src_len.into(), // src arr len
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];
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ctx.builder
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.build_call(
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slice_assign_fun,
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{
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if fun_symbol == "__nac3_list_slice_assign_var_size" {
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let s = ty.into_struct_type().size_of().unwrap();
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let s = ctx.builder.build_int_truncate_or_bit_cast(s, int32, "size");
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args.push(s.into());
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}
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args.as_slice()
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},
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"slice_assign",
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)
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.try_as_basic_value()
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.unwrap_left()
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.into_int_value()
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};
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// update length
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let need_update =
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ctx.builder.build_int_compare(IntPredicate::NE, new_len, dest_len, "need_update");
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