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Add a SemIR scope for generated entities (#6792)

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This currently doesn't include much, but we expect to be generating more
entities, such as `Destroy`, which I'm aiming to get more clearly
categorized here instead of `imports`.

Assisted-by: Google Antigravity with Gemini 3 Flash

---------

Co-authored-by: Dana Jansens <danakj@orodu.net>
This commit is contained in:
Jon Ross-Perkins
2026-02-25 22:00:59 +00:00
committed by GitHub
co-authored by Dana Jansens
parent af368dbadd
commit c6bc033af8
20 changed files with 462 additions and 393 deletions
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toolchain/check/check_unit.cpp
+22 -8
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@@ -596,14 +596,28 @@ auto CheckUnit::FinishRun() -> void {
context_.sem_ir().set_top_inst_block_id(context_.inst_block_stack().Pop());
context_.scope_stack().Pop(/*check_unused=*/true);
// Finalizes the list of exports on the IR.
context_.inst_blocks().ReplacePlaceholder(SemIR::InstBlockId::Exports,
context_.exports());
// Finalizes the ImportRef inst block.
context_.inst_blocks().ReplacePlaceholder(SemIR::InstBlockId::Imports,
context_.imports());
// Finalizes __global_init.
context_.global_init().Finalize();
// Finalizes reserved blocks, using `ReservedIds` to avoid missing values.
for (auto reserved_id : SemIR::InstBlockId::ReservedIds) {
if (reserved_id == SemIR::InstBlockId::Empty) {
continue;
}
if (reserved_id == SemIR::InstBlockId::GlobalInit) {
context_.global_init().Finalize();
continue;
}
llvm::ArrayRef<SemIR::InstId> block;
if (reserved_id == SemIR::InstBlockId::Exports) {
block = context_.exports();
} else if (reserved_id == SemIR::InstBlockId::Generated) {
block = context_.generated();
} else if (reserved_id == SemIR::InstBlockId::Imports) {
block = context_.imports();
} else {
CARBON_FATAL("Unexpected reserved InstBlockId: {0}", reserved_id);
}
context_.inst_blocks().ReplacePlaceholder(reserved_id, block);
}
context_.sem_ir().set_has_errors(unit_and_imports_->err_tracker.seen_error());