Improve the docstrings of the Lto
struct.
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@ -75,19 +75,21 @@ pub enum OptLevel {
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/// This is what the `LtoCli` values get mapped to after resolving defaults and
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/// and taking other command line options into account.
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///
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/// Note that linker plugin-based LTO is a different mechanism entirely.
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#[derive(Clone, PartialEq)]
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pub enum Lto {
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/// Don't do any LTO whatsoever
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/// Don't do any LTO whatsoever.
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No,
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/// Do a full crate graph LTO with ThinLTO
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/// Do a full-crate-graph (inter-crate) LTO with ThinLTO.
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Thin,
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/// Do a local graph LTO with ThinLTO (only relevant for multiple codegen
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/// units).
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/// Do a local ThinLTO (intra-crate, over the CodeGen Units of the local crate only). This is
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/// only relevant if multiple CGUs are used.
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ThinLocal,
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/// Do a full crate graph LTO with "fat" LTO
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/// Do a full-crate-graph (inter-crate) LTO with "fat" LTO.
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Fat,
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}
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