Module rustc_mir_transform::uninhabited_enum_branching

A pass that eliminates branches on uninhabited enum variants.

Structs

• UninhabitedEnumBranching

Functions

• ensure_otherwise_unreachable 🔒
  Ensures that the otherwise branch leads to an unreachable bb, returning None if so and a new bb to use as the new target if not.
• get_discriminant_local 🔒
• get_switched_on_type 🔒
  If the basic block terminates by switching on a discriminant, this returns the Ty the discriminant is read from. Otherwise, returns None.
• variant_discriminants 🔒