Code

Enum layout optimizations#19765

Code

Merged

bors merged 17 commits intorust-lang:masterrust-lang/rust:masterfrom luqmana:nonzero-lang-itemluqmana/rust:nonzero-lang-itemCopy head branch name to clipboardDec 29, 2014

+370-155

Commits

Commits on Dec 29, 2014

• librustc: Traverse arbitrarily deep for nullable enum opt.

  luqmana

  committed
  e954fc4

• librustc: Try looking in tuple fields for nullable enum opt.

  luqmana

  committed
  e6b6234

• librustc: Try looking in fixed sized arrays for nullable enum opt.

  luqmana

  committed
  5fb1e6b

• Add tests.

  luqmana

  committed
  6d91419

• librustc: Add NonZero lang item and use it if possible for nullable pointer enum opt.

  luqmana

  committed
  46e7376

• libcore: Add NonZero lang item and implement some methods.

  luqmana

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  ef5da14

• libcollections: Use NonZero in Vec.

  luqmana

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  bb44737

• liballoc: Use NonZero in Rc.

  luqmana

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  0d48f76

• liballoc: Use NonZero in Arc.

  luqmana

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  4af5054

• libcore: Make it unsafe to create NonZero and impl Deref.

  luqmana

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  466135b

• Add tests for NonZero.

  luqmana

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  e83272b

• Don't expose NonZero through libstd.

  luqmana

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  b44d7cb

• libcore: Don't impl RawPtr* traits for NonZero.

  luqmana

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  c15df8e

• librustc_trans: Get rid of unnecessary allocation in finding discriminant field.

  luqmana

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  27617a1

• libcore: Use Zeroable trait to try to limit what types may be used with NonZero.

  luqmana

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  94f1261

• libcoretest: Add tests for NonZero.

  luqmana

  committed
  0e039ad

• libcollections: impl Send/Sync for Vec.

  luqmana

  committed
  766a719