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Add basic output of where memory is stored after a compile. (#4136)

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The output is really basic, I'm just adding this to help track how
memory is allocated.

```
---
filename:        'check/testdata/expr_category/in_place_tuple_init.carbon'
source_:
  used_bytes:      8057
  reserved_bytes:  8057
tokens_.allocator_:
  used_bytes:      0
  reserved_bytes:  0
tokens_.token_infos_:
  used_bytes:      1040
  reserved_bytes:  2032

(eliding)

value_stores_.string_literals_.set_:
  used_bytes:      320
  reserved_bytes:  320
Total:
  used_bytes:      20609
  reserved_bytes:  29437
...
```

---------

Co-authored-by: josh11b <15258583+josh11b@users.noreply.github.com>
This commit is contained in:
Jon Ross-Perkins
2024-07-16 23:11:01 +00:00
committed by GitHub
co-authored by josh11b
parent cd7c10b8e2
commit f1190a4792
20 changed files with 354 additions and 2 deletions
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toolchain/lex/tokenized_buffer.cpp
+7
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@@ -340,6 +340,13 @@ auto TokenizedBuffer::AddToken(TokenInfo info) -> TokenIndex {
return TokenIndex(static_cast<int>(token_infos_.size()) - 1);
}
auto TokenizedBuffer::CollectMemUsage(MemUsage& mem_usage,
llvm::StringRef label) const -> void {
mem_usage.Add(MemUsage::ConcatLabel(label, "allocator_"), allocator_);
mem_usage.Add(MemUsage::ConcatLabel(label, "token_infos_"), token_infos_);
mem_usage.Add(MemUsage::ConcatLabel(label, "line_infos_"), line_infos_);
}
auto TokenIterator::Print(llvm::raw_ostream& output) const -> void {
output << token_.index;
}