Use Lit rather than P<Lit> in ast::ExprKind.
#55777
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Because it results in fewer allocations and small speedups on some benchmarks.
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What's the size of |
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I checked: the size is unchanged. I don't have the exact numbers on hand, but the |
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Great. |
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I have the numbers now: on 64-bit, |
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@bors rollup |
Mark-Simulacrum
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…henkov Use `Lit` rather than `P<Lit>` in `ast::ExprKind`. Because it results in fewer allocations and small speedups on some benchmarks.
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Rollup of 17 pull requests Successful merges: - #55576 (Clarify error message for -C opt-level) - #55633 (Support memcpy/memmove with differing src/dst alignment) - #55638 (Fix ICE in msg_span_from_free_region on ReEmpty) - #55659 (rustc: Delete grouping logic from the musl target) - #55719 (Sidestep link error from rustfix'ed code by using a *defined* static.) - #55736 (Elide anon lifetimes in conflicting impl note) - #55739 (Consume optimization fuel from the MIR inliner) - #55742 (Avoid panic when matching function call) - #55753 (borrow_set: remove a helper function and a clone it uses) - #55755 (Improve creation of 3 IndexVecs) - #55758 ([regression - rust2018]: unused_mut lint false positives on nightly) - #55760 (Remove intermediate font specs) - #55761 (mir: remove a hacky recursive helper function) - #55774 (wasm32-unknown-emscripten expects the rust_eh_personality symbol) - #55777 (Use `Lit` rather than `P<Lit>` in `ast::ExprKind`.) - #55783 (Deprecate mpsc channel selection) - #55788 (rustc: Request ansi colors if stderr isn't a tty) Failed merges: r? @ghost
nnethercote
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It's simpler and makes some benchmark run up to 1% faster. It also makes `hir::ExprKind` more like `ast::ExprKind` (which underwent the equivalent change in rust-lang#55777).
VardhanThigle
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Jan 31, 2019
It's simpler and makes some benchmark run up to 1% faster. It also makes `hir::ExprKind` more like `ast::ExprKind` (which underwent the equivalent change in rust-lang#55777).
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Because it results in fewer allocations and small speedups on some
benchmarks.