calyx_opt::analysis

Struct VariableDetection

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pub struct VariableDetection;
Expand description

Detects if a group is solely being used to update a register.

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impl VariableDetection

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pub fn variable_like( group_ref: &RRC<Group>, state_share: &ShareSet, ) -> Option<(CellType, Id)>

A group is variable like if it:

  • among write to state_shareable components, there is only one write
  • has @go port equal to 1'd1
  • has g[done] = cell.done

Returns the name of the cell if such a group is detected, otherwise returns None.

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