cases env with
| One s =>
  simp [getT, set]
  rw [SSAScope.getT_set_eq]
| Cons head tail =>
  simp [getT, set, HOrElse.hOrElse, OrElse.orElse, Option.orElse]
  simp [SSAScope.getT_set_eq]
α σ : Type
ε : σ → Type
α✝ σ✝ : Type
ε✝ : σ✝ → Type
δ : Dialect α✝ σ✝ ε✝
env : SSAEnv δ
v : SSAVal
τ : MLIRType δ
val : MLIRType.eval τ
⊢ getT v (set v τ val env) = some { fst := τ, snd := val }
no goals