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[debuginfo] Remove the notion of a 'fallback variant' from the CPP-like enum debuginfo encoding.

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This commit is contained in:
Michael Woerister 2022-07-08 17:09:32 +02:00
parent dfb2c89e5e
commit 8433e2a66f
2 changed files with 135 additions and 29 deletions
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88
compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs
View File

@ -105,14 +105,6 @@ const SINGLE_VARIANT_VIRTUAL_DISR: u64 = 0;
/// that case. Both `DISCR_BEGIN` and `DISCR_END` are inclusive bounds.
/// Note that these ranges can wrap around, so that `DISCR_END < DISCR_BEGIN`.
///
/// The field in the top-level union that corresponds to the dataful variant
/// is called `variant_fallback` instead of `variant<index>`. This is mainly
/// an optimization that enables a shorter NatVis definition. That way we
/// only need to specify a `tag == variantX.DISCR_EXACT` entry for the indexed
/// variants. Otherwise we'd need to have that and then an additional entry
/// checking `in_range(variantX.DISCR_BEGIN, variantX.DISCR_END)` for each
/// index.
///
/// Single-variant enums don't actually have a tag field. In this case we
/// emit a static tag field (that always has the value 0) so we can use the
/// same representation (and NatVis).
@ -123,6 +115,72 @@ const SINGLE_VARIANT_VIRTUAL_DISR: u64 = 0;
/// Instead of the `tag` field, we generate two fields `tag128_lo` and `tag128_hi`,
/// Instead of `DISCR_EXACT`, we generate `DISCR128_EXACT_LO` and `DISCR128_EXACT_HI`,
/// and so on.
///
///
/// The following pseudocode shows how to decode an enum value in a debugger:
///
/// ```ignore
///
/// fn find_active_variant(enum_value) -> (VariantName, VariantValue) {
/// let is_128_bit = enum_value.has_field("tag128_lo");
///
/// if !is_128_bit {
/// // Note: `tag` can be a static field for enums with only one
/// // inhabited variant.
/// let tag = enum_value.field("tag").value;
///
/// // For each variant, check if it is a match. Only one of them will match,
/// // so if we find it we can return it immediately.
/// for variant_field in enum_value.fields().filter(|f| f.name.starts_with("variant")) {
/// if variant_field.has_field("DISCR_EXACT") {
/// // This variant corresponds to a single tag value
/// if variant_field.field("DISCR_EXACT").value == tag {
/// return (variant_field.field("NAME"), variant_field.value);
/// }
/// } else {
/// // This is a range variant
/// let begin = variant_field.field("DISCR_BEGIN");
/// let end = variant_field.field("DISCR_END");
///
/// if tag >= begin && tag <= end {
/// return (variant_field.field("NAME"), variant_field.value);
/// }
/// }
/// }
/// } else {
/// // Basically the same as with smaller tags, we just have to
/// // stitch the values together.
/// let tag: u128 = (enum_value.field("tag128_lo").value as u128) |
/// (enum_value.field("tag128_hi").value as u128 << 64);
///
/// for variant_field in enum_value.fields().filter(|f| f.name.starts_with("variant")) {
/// if variant_field.has_field("DISCR128_EXACT_LO") {
/// let discr_exact = (variant_field.field("DISCR128_EXACT_LO" as u128) |
/// (variant_field.field("DISCR128_EXACT_HI") as u128 << 64);
///
/// // This variant corresponds to a single tag value
/// if discr_exact.value == tag {
/// return (variant_field.field("NAME"), variant_field.value);
/// }
/// } else {
/// // This is a range variant
/// let begin = (variant_field.field("DISCR128_BEGIN_LO").value as u128) |
/// (variant_field.field("DISCR128_BEGIN_HI").value as u128 << 64);
/// let end = (variant_field.field("DISCR128_END_LO").value as u128) |
/// (variant_field.field("DISCR128_END_HI").value as u128 << 64);
///
/// if tag >= begin && tag <= end {
/// return (variant_field.field("NAME"), variant_field.value);
/// }
/// }
/// }
/// }
///
/// // We should have found an active variant at this point.
/// unreachable!();
/// }
///
/// ```
pub(super) fn build_enum_type_di_node<'ll, 'tcx>(
cx: &CodegenCx<'ll, 'tcx>,
unique_type_id: UniqueTypeId<'tcx>,
@ -290,7 +348,7 @@ fn build_single_variant_union_fields<'ll, 'tcx>(
build_field_di_node(
cx,
enum_type_di_node,
&variant_union_field_name(variant_index, None),
&variant_union_field_name(variant_index),
// NOTE: We use the size and align of the entire type, not from variant_layout
// since the later is sometimes smaller (if it has fewer fields).
size_and_align_of(enum_type_and_layout),
@ -691,8 +749,7 @@ fn build_union_fields_for_direct_tag_enum_or_generator<'ll, 'tcx>(
.source_info
.unwrap_or_else(|| (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER));
let field_name =
variant_union_field_name(variant_member_info.variant_index, dataful_variant_index);
let field_name = variant_union_field_name(variant_member_info.variant_index);
let (size, align) = size_and_align_of(enum_type_and_layout);
let variant_struct_type_wrapper = build_variant_struct_wrapper_type_di_node(
@ -795,10 +852,7 @@ struct VariantFieldInfo<'ll> {
discr: DiscrResult,
}
fn variant_union_field_name(
variant_index: VariantIdx,
dataful_variant_index: Option<VariantIdx>,
) -> Cow<'static, str> {
fn variant_union_field_name(variant_index: VariantIdx) -> Cow<'static, str> {
const PRE_ALLOCATED: [&str; 16] = [
"variant0",
"variant1",
@ -818,10 +872,6 @@ fn variant_union_field_name(
"variant15",
];
if Some(variant_index) == dataful_variant_index {
return Cow::from("variant_fallback");
}
PRE_ALLOCATED
.get(variant_index.as_usize())
.map(|&s| Cow::from(s))

76
src/etc/natvis/intrinsic.natvis
View File

@ -157,7 +157,7 @@
<Type Name="enum2$&lt;*&gt;">
<!-- NOTE: That tag ranges can wrap around, in which case `end` is less than `begin` and we
have to do a different check -->
<Intrinsic Name="in_range" Expression="(begin &lt; end) ? ((x &gt;= begin) &amp;&amp; (x &lt;= end)) : ((x &gt;= begin) || (x &lt;= end))">
<Intrinsic Name="in_range" Expression="(begin &lt;= end) ? ((x &gt;= begin) &amp;&amp; (x &lt;= end)) : ((x &gt;= begin) || (x &lt;= end))">
<Parameter Name="x" Type="unsigned __int64" />
<Parameter Name="begin" Type="unsigned __int64" />
<Parameter Name="end" Type="unsigned __int64" />
@ -186,7 +186,7 @@
<!-- NOTE: That tag ranges can wrap around, in which case `end` is less than `begin` and we
have to do a different check -->
<Intrinsic Name="in_range128" Expression="(lt128(begin_hi, begin_lo, end_hi, end_lo)) ?
<Intrinsic Name="in_range128" Expression="(lt_or_eq128(begin_hi, begin_lo, end_hi, end_lo)) ?
(lt_or_eq128(begin_hi, begin_lo, x_hi, x_lo) &amp;&amp; lt_or_eq128(x_hi, x_lo, end_hi, end_lo)) :
(lt_or_eq128(begin_hi, begin_lo, x_hi, x_lo) || lt_or_eq128(x_hi, x_lo, end_hi, end_lo))">
<Parameter Name="x_hi" Type="unsigned __int64" />
@ -214,7 +214,22 @@
<DisplayString Condition="tag == variant14.DISCR_EXACT" Optional="true">{variant14.NAME,en}</DisplayString>
<DisplayString Condition="tag == variant15.DISCR_EXACT" Optional="true">{variant15.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant_fallback.DISCR_BEGIN, variant_fallback.DISCR_END)" Optional="true">{variant_fallback.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant0.DISCR_BEGIN, variant0.DISCR_END)" Optional="true">{variant0.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant1.DISCR_BEGIN, variant1.DISCR_END)" Optional="true">{variant1.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant2.DISCR_BEGIN, variant2.DISCR_END)" Optional="true">{variant2.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant3.DISCR_BEGIN, variant3.DISCR_END)" Optional="true">{variant3.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant4.DISCR_BEGIN, variant4.DISCR_END)" Optional="true">{variant4.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant5.DISCR_BEGIN, variant5.DISCR_END)" Optional="true">{variant5.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant6.DISCR_BEGIN, variant6.DISCR_END)" Optional="true">{variant6.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant7.DISCR_BEGIN, variant7.DISCR_END)" Optional="true">{variant7.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant8.DISCR_BEGIN, variant8.DISCR_END)" Optional="true">{variant8.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant9.DISCR_BEGIN, variant9.DISCR_END)" Optional="true">{variant9.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant10.DISCR_BEGIN, variant10.DISCR_END)" Optional="true">{variant10.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant11.DISCR_BEGIN, variant11.DISCR_END)" Optional="true">{variant11.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant12.DISCR_BEGIN, variant12.DISCR_END)" Optional="true">{variant12.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant13.DISCR_BEGIN, variant13.DISCR_END)" Optional="true">{variant13.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant14.DISCR_BEGIN, variant14.DISCR_END)" Optional="true">{variant14.NAME,en}</DisplayString>
<DisplayString Condition="in_range(tag, variant15.DISCR_BEGIN, variant15.DISCR_END)" Optional="true">{variant15.NAME,en}</DisplayString>
<DisplayString Condition="eq128(tag128_hi, tag128_lo, variant0.DISCR128_EXACT_HI, variant0.DISCR128_EXACT_LO)" Optional="true">{variant0.NAME,en}</DisplayString>
<DisplayString Condition="eq128(tag128_hi, tag128_lo, variant1.DISCR128_EXACT_HI, variant1.DISCR128_EXACT_LO)" Optional="true">{variant1.NAME,en}</DisplayString>
@ -233,9 +248,22 @@
<DisplayString Condition="eq128(tag128_hi, tag128_lo, variant14.DISCR128_EXACT_HI, variant14.DISCR128_EXACT_LO)" Optional="true">{variant14.NAME,en}</DisplayString>
<DisplayString Condition="eq128(tag128_hi, tag128_lo, variant15.DISCR128_EXACT_HI, variant15.DISCR128_EXACT_LO)" Optional="true">{variant15.NAME,en}</DisplayString>
<DisplayString
Condition="in_range128(tag128_hi, tag128_lo, variant_fallback.DISCR128_BEGIN_HI, variant_fallback.DISCR128_BEGIN_LO, variant_fallback.DISCR128_END_HI, variant_fallback.DISCR128_END_LO)"
Optional="true">{variant_fallback.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant0.DISCR128_BEGIN_HI, variant0.DISCR128_BEGIN_LO, variant0.DISCR128_END_HI, variant0.DISCR128_END_LO)" Optional="true">{variant0.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant1.DISCR128_BEGIN_HI, variant1.DISCR128_BEGIN_LO, variant1.DISCR128_END_HI, variant1.DISCR128_END_LO)" Optional="true">{variant1.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant2.DISCR128_BEGIN_HI, variant2.DISCR128_BEGIN_LO, variant2.DISCR128_END_HI, variant2.DISCR128_END_LO)" Optional="true">{variant2.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant3.DISCR128_BEGIN_HI, variant3.DISCR128_BEGIN_LO, variant3.DISCR128_END_HI, variant3.DISCR128_END_LO)" Optional="true">{variant3.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant4.DISCR128_BEGIN_HI, variant4.DISCR128_BEGIN_LO, variant4.DISCR128_END_HI, variant4.DISCR128_END_LO)" Optional="true">{variant4.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant5.DISCR128_BEGIN_HI, variant5.DISCR128_BEGIN_LO, variant5.DISCR128_END_HI, variant5.DISCR128_END_LO)" Optional="true">{variant5.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant6.DISCR128_BEGIN_HI, variant6.DISCR128_BEGIN_LO, variant6.DISCR128_END_HI, variant6.DISCR128_END_LO)" Optional="true">{variant6.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant7.DISCR128_BEGIN_HI, variant7.DISCR128_BEGIN_LO, variant7.DISCR128_END_HI, variant7.DISCR128_END_LO)" Optional="true">{variant7.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant8.DISCR128_BEGIN_HI, variant8.DISCR128_BEGIN_LO, variant8.DISCR128_END_HI, variant8.DISCR128_END_LO)" Optional="true">{variant8.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant9.DISCR128_BEGIN_HI, variant9.DISCR128_BEGIN_LO, variant9.DISCR128_END_HI, variant9.DISCR128_END_LO)" Optional="true">{variant9.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant10.DISCR128_BEGIN_HI, variant10.DISCR128_BEGIN_LO, variant10.DISCR128_END_HI, variant10.DISCR128_END_LO)" Optional="true">{variant10.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant11.DISCR128_BEGIN_HI, variant11.DISCR128_BEGIN_LO, variant11.DISCR128_END_HI, variant11.DISCR128_END_LO)" Optional="true">{variant11.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant12.DISCR128_BEGIN_HI, variant12.DISCR128_BEGIN_LO, variant12.DISCR128_END_HI, variant12.DISCR128_END_LO)" Optional="true">{variant12.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant13.DISCR128_BEGIN_HI, variant13.DISCR128_BEGIN_LO, variant13.DISCR128_END_HI, variant13.DISCR128_END_LO)" Optional="true">{variant13.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant14.DISCR128_BEGIN_HI, variant14.DISCR128_BEGIN_LO, variant14.DISCR128_END_HI, variant14.DISCR128_END_LO)" Optional="true">{variant14.NAME,en}</DisplayString>
<DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant15.DISCR128_BEGIN_HI, variant15.DISCR128_BEGIN_LO, variant15.DISCR128_END_HI, variant15.DISCR128_END_LO)" Optional="true">{variant15.NAME,en}</DisplayString>
<Expand HideRawView="true">
<ExpandedItem Condition="tag == variant0.DISCR_EXACT" Optional="true">variant0.value</ExpandedItem>
@ -255,7 +283,22 @@
<ExpandedItem Condition="tag == variant14.DISCR_EXACT" Optional="true">variant14.value</ExpandedItem>
<ExpandedItem Condition="tag == variant15.DISCR_EXACT" Optional="true">variant15.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant_fallback.DISCR_BEGIN, variant_fallback.DISCR_END)" Optional="true">variant_fallback.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant0.DISCR_BEGIN, variant0.DISCR_END)" Optional="true">variant0.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant1.DISCR_BEGIN, variant1.DISCR_END)" Optional="true">variant1.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant2.DISCR_BEGIN, variant2.DISCR_END)" Optional="true">variant2.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant3.DISCR_BEGIN, variant3.DISCR_END)" Optional="true">variant3.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant4.DISCR_BEGIN, variant4.DISCR_END)" Optional="true">variant4.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant5.DISCR_BEGIN, variant5.DISCR_END)" Optional="true">variant5.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant6.DISCR_BEGIN, variant6.DISCR_END)" Optional="true">variant6.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant7.DISCR_BEGIN, variant7.DISCR_END)" Optional="true">variant7.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant8.DISCR_BEGIN, variant8.DISCR_END)" Optional="true">variant8.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant9.DISCR_BEGIN, variant9.DISCR_END)" Optional="true">variant9.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant10.DISCR_BEGIN, variant10.DISCR_END)" Optional="true">variant10.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant11.DISCR_BEGIN, variant11.DISCR_END)" Optional="true">variant11.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant12.DISCR_BEGIN, variant12.DISCR_END)" Optional="true">variant12.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant13.DISCR_BEGIN, variant13.DISCR_END)" Optional="true">variant13.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant14.DISCR_BEGIN, variant14.DISCR_END)" Optional="true">variant14.value</ExpandedItem>
<ExpandedItem Condition="in_range(tag, variant15.DISCR_BEGIN, variant15.DISCR_END)" Optional="true">variant15.value</ExpandedItem>
<ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant0.DISCR128_EXACT_HI, variant0.DISCR128_EXACT_LO)" Optional="true">variant0.value</ExpandedItem>
<ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant1.DISCR128_EXACT_HI, variant1.DISCR128_EXACT_LO)" Optional="true">variant1.value</ExpandedItem>
@ -274,9 +317,22 @@
<ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant14.DISCR128_EXACT_HI, variant14.DISCR128_EXACT_LO)" Optional="true">variant14.value</ExpandedItem>
<ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant15.DISCR128_EXACT_HI, variant15.DISCR128_EXACT_LO)" Optional="true">variant15.value</ExpandedItem>
<ExpandedItem
Condition="in_range128(tag128_hi, tag128_lo, variant_fallback.DISCR128_BEGIN_HI, variant_fallback.DISCR128_BEGIN_LO, variant_fallback.DISCR128_END_HI, variant_fallback.DISCR128_END_LO)"
Optional="true">variant_fallback.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant0.DISCR128_BEGIN_HI, variant0.DISCR128_BEGIN_LO, variant0.DISCR128_END_HI, variant0.DISCR128_END_LO)" Optional="true">variant0.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant1.DISCR128_BEGIN_HI, variant1.DISCR128_BEGIN_LO, variant1.DISCR128_END_HI, variant1.DISCR128_END_LO)" Optional="true">variant1.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant2.DISCR128_BEGIN_HI, variant2.DISCR128_BEGIN_LO, variant2.DISCR128_END_HI, variant2.DISCR128_END_LO)" Optional="true">variant2.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant3.DISCR128_BEGIN_HI, variant3.DISCR128_BEGIN_LO, variant3.DISCR128_END_HI, variant3.DISCR128_END_LO)" Optional="true">variant3.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant4.DISCR128_BEGIN_HI, variant4.DISCR128_BEGIN_LO, variant4.DISCR128_END_HI, variant4.DISCR128_END_LO)" Optional="true">variant4.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant5.DISCR128_BEGIN_HI, variant5.DISCR128_BEGIN_LO, variant5.DISCR128_END_HI, variant5.DISCR128_END_LO)" Optional="true">variant5.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant6.DISCR128_BEGIN_HI, variant6.DISCR128_BEGIN_LO, variant6.DISCR128_END_HI, variant6.DISCR128_END_LO)" Optional="true">variant6.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant7.DISCR128_BEGIN_HI, variant7.DISCR128_BEGIN_LO, variant7.DISCR128_END_HI, variant7.DISCR128_END_LO)" Optional="true">variant7.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant8.DISCR128_BEGIN_HI, variant8.DISCR128_BEGIN_LO, variant8.DISCR128_END_HI, variant8.DISCR128_END_LO)" Optional="true">variant8.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant9.DISCR128_BEGIN_HI, variant9.DISCR128_BEGIN_LO, variant9.DISCR128_END_HI, variant9.DISCR128_END_LO)" Optional="true">variant9.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant10.DISCR128_BEGIN_HI, variant10.DISCR128_BEGIN_LO, variant10.DISCR128_END_HI, variant10.DISCR128_END_LO)" Optional="true">variant10.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant11.DISCR128_BEGIN_HI, variant11.DISCR128_BEGIN_LO, variant11.DISCR128_END_HI, variant11.DISCR128_END_LO)" Optional="true">variant11.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant12.DISCR128_BEGIN_HI, variant12.DISCR128_BEGIN_LO, variant12.DISCR128_END_HI, variant12.DISCR128_END_LO)" Optional="true">variant12.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant13.DISCR128_BEGIN_HI, variant13.DISCR128_BEGIN_LO, variant13.DISCR128_END_HI, variant13.DISCR128_END_LO)" Optional="true">variant13.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant14.DISCR128_BEGIN_HI, variant14.DISCR128_BEGIN_LO, variant14.DISCR128_END_HI, variant14.DISCR128_END_LO)" Optional="true">variant14.value</ExpandedItem>
<ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant15.DISCR128_BEGIN_HI, variant15.DISCR128_BEGIN_LO, variant15.DISCR128_END_HI, variant15.DISCR128_END_LO)" Optional="true">variant15.value</ExpandedItem>
</Expand>
</Type>
</AutoVisualizer>