Remove encoding generation from cranelift-codegen-meta

cranelift/codegen/meta/src/cdsl/cpu_modes.rs

@@ -1,7 +1,6 @@
-use std::collections::{hash_map, HashMap, HashSet};
+use std::collections::{HashMap, HashSet};
 use std::iter::FromIterator;
 
-use crate::cdsl::encodings::Encoding;
 use crate::cdsl::types::ValueType;
 use crate::cdsl::xform::TransformGroupIndex;
 
@@ -10,30 +9,9 @@ pub(crate) struct CpuMode {
     default_legalize: Option<TransformGroupIndex>,
     monomorphic_legalize: Option<TransformGroupIndex>,
     typed_legalize: HashMap<ValueType, TransformGroupIndex>,
-    pub encodings: Vec<Encoding>,
 }
 
 impl CpuMode {
-    pub fn get_default_legalize_code(&self) -> TransformGroupIndex {
-        self.default_legalize
-            .expect("a finished CpuMode must have a default legalize code")
-    }
-    pub fn get_legalize_code_for(&self, typ: &Option<ValueType>) -> TransformGroupIndex {
-        match typ {
-            Some(typ) => self
-                .typed_legalize
-                .get(typ)
-                .copied()
-                .unwrap_or_else(|| self.get_default_legalize_code()),
-            None => self
-                .monomorphic_legalize
-                .unwrap_or_else(|| self.get_default_legalize_code()),
-        }
-    }
-    pub fn get_legalized_types(&self) -> hash_map::Keys<ValueType, TransformGroupIndex> {
-        self.typed_legalize.keys()
-    }
-
     /// Returns a deterministically ordered, deduplicated list of TransformGroupIndex for the directly
     /// reachable set of TransformGroup this TargetIsa uses.
     pub fn direct_transform_groups(&self) -> Vec<TransformGroupIndex> {