Documentation

Lean.Compiler.IR.SimpCase

def Lean.IR.ensureHasDefault (alts : Array Lean.IR.Alt) :

Array Lean.IR.Alt

Equations

One or more equations did not get rendered due to their size.

partial def Lean.IR.FnBody.simpCase (b : Lean.IR.FnBody) :

def Lean.IR.Decl.simpCase (d : Lean.IR.Decl) :

Simplify case

Remove unreachable branches.
Remove case if there is only one branch.
Merge most common branches using Alt.default.

Equations

Lean.IR.Decl.simpCase d = match d with | Lean.IR.Decl.fdecl f xs type b info => Lean.IR.Decl.updateBody! d (Lean.IR.FnBody.simpCase b) | other => other