pub enum Lto {
    No,
    Thin,
    ThinLocal,
    Fat,
}
Expand description

This is what the LtoCli values get mapped to after resolving defaults and and taking other command line options into account.

Note that linker plugin-based LTO is a different mechanism entirely.

Variants§

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No

Don’t do any LTO whatsoever.

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Thin

Do a full-crate-graph (inter-crate) LTO with ThinLTO.

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ThinLocal

Do a local ThinLTO (intra-crate, over the CodeGen Units of the local crate only). This is only relevant if multiple CGUs are used.

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Fat

Do a full-crate-graph (inter-crate) LTO with “fat” LTO.

Trait Implementations§

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impl Clone for Lto

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fn clone(&self) -> Lto

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl PartialEq<Lto> for Lto

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fn eq(&self, other: &Lto) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for Lto

Auto Trait Implementations§

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impl RefUnwindSafe for Lto

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impl Send for Lto

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impl Sync for Lto

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impl Unpin for Lto

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impl UnwindSafe for Lto

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 1 byte

Size for each variant:

  • No: 0 bytes
  • Thin: 0 bytes
  • ThinLocal: 0 bytes
  • Fat: 0 bytes