sway_ir::analysis::memory_utils

Enum ReferredSymbols

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pub enum ReferredSymbols {
    Complete(FxIndexSet<Symbol>),
    Incomplete(FxIndexSet<Symbol>),
}
Expand description

Provides Symbols, both Symbol::Locals and Symbol::Args, reachable from a certain Value via chain of InstOp::GetElemPtr (GEP) instructions or via InstOp::IntToPtr and InstOp::PtrToInt instruction patterns specific to references, both referencing (&) and dereferencing (*), and raw pointers, via __addr_of.

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Complete(FxIndexSet<Symbol>)

Guarantees that all Symbols reachable from the particular Value are collected, thus, that there are no escapes or pointer accesses in the scope that might result in symbols indirectly related to the Value but not reachable only via GEP, or references, or raw pointers only.

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Incomplete(FxIndexSet<Symbol>)

Denotes that there might be Symbols out of returned ones that are related to the particular Value, but not reachable only via GEP, or references, or raw pointers.

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impl ReferredSymbols

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pub fn new(is_complete: bool, symbols: FxIndexSet<Symbol>) -> Self

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pub fn consume(self) -> (bool, FxIndexSet<Symbol>)

Returns the referred Symbols and the information if they are complete (true) or incomplete (false).

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Causes self to use its Binary implementation when Debug-formatted.
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where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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Causes self to use its Octal implementation when Debug-formatted.
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where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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Causes self to use its UpperHex implementation when Debug-formatted.
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const ALIGN: usize = _

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