Enum rustc_codegen_llvm::coverageinfo::ffi::RegionKind

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#[repr(C)]
pub enum RegionKind { CodeRegion = 0, ExpansionRegion = 1, SkippedRegion = 2, GapRegion = 3, BranchRegion = 4, MCDCDecisionRegion = 5, MCDCBranchRegion = 6, }
Expand description

Corresponds to enum llvm::coverage::CounterMappingRegion::RegionKind.

Must match the layout of LLVMRustCounterMappingRegionKind.

Variants§

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CodeRegion = 0

A CodeRegion associates some code with a counter

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ExpansionRegion = 1

An ExpansionRegion represents a file expansion region that associates a source range with the expansion of a virtual source file, such as for a macro instantiation or #include file.

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SkippedRegion = 2

A SkippedRegion represents a source range with code that was skipped by a preprocessor or similar means.

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GapRegion = 3

A GapRegion is like a CodeRegion, but its count is only set as the line execution count when its the only region in the line.

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BranchRegion = 4

A BranchRegion represents leaf-level boolean expressions and is associated with two counters, each representing the number of times the expression evaluates to true or false.

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MCDCDecisionRegion = 5

A DecisionRegion represents a top-level boolean expression and is associated with a variable length bitmap index and condition number.

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MCDCBranchRegion = 6

A Branch Region can be extended to include IDs to facilitate MC/DC.

Trait Implementations§

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impl Clone for RegionKind

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fn clone(&self) -> RegionKind

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 Debug for RegionKind

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Copy for RegionKind

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const ALIGN: Alignment = _

Alignment of Self.
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const ALIGN: usize = _

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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: 4 bytes

Size for each variant:

  • CodeRegion: 0 bytes
  • ExpansionRegion: 0 bytes
  • SkippedRegion: 0 bytes
  • GapRegion: 0 bytes
  • BranchRegion: 0 bytes
  • MCDCDecisionRegion: 0 bytes
  • MCDCBranchRegion: 0 bytes