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| author | bors <bors@rust-lang.org> | 2023-09-04 04:27:00 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2023-09-04 04:27:00 +0000 |
| commit | b14b0745ad4913a21f00795738c047d0107dff4a (patch) | |
| tree | 90e018780314f145579f6b84bf304d358685d42b /compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp | |
| parent | abfc6c44381fb033c6b3b0a6bfb804a799f39afd (diff) | |
| parent | 9867023f4f501018dd5524366949bd6f09ded192 (diff) | |
| download | rust-b14b0745ad4913a21f00795738c047d0107dff4a.tar.gz rust-b14b0745ad4913a21f00795738c047d0107dff4a.zip | |
Auto merge of #115391 - saethlin:depkind-discrim, r=nnethercote
Encode DepKind as u16 The derived Encodable/Decodable impls serialize/deserialize as a varint, which results in a lot of code size around the encoding/decoding of these types which isn't justified: The full range of values here is rather small but doesn't quite fit in to a `u8`. Growing _all_ serialized `DepKind` to 2 bytes costs us on average 1% size in the incr comp dep graph, which I plan to recoup in https://github.com/rust-lang/rust/pull/110050 by taking advantage of the unused bits in all the serialized `DepKind`. r? `@nnethercote`
Diffstat (limited to 'compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp')
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