Remove legalizer support from cranelift-codegen-meta

cranelift/codegen/meta/src/shared/instructions.rs

@@ -1,7 +1,7 @@
 #![allow(non_snake_case)]
 
 use crate::cdsl::instructions::{
-    AllInstructions, InstructionBuilder as Inst, InstructionGroup, InstructionGroupBuilder,
+    AllInstructions, InstructionBuilder as Inst, InstructionGroupBuilder,
 };
 use crate::cdsl::operands::Operand;
 use crate::cdsl::type_inference::Constraint::WiderOrEq;
@@ -767,7 +767,7 @@ pub(crate) fn define(
     formats: &Formats,
     imm: &Immediates,
     entities: &EntityRefs,
-) -> InstructionGroup {
+) {
     let mut ig = InstructionGroupBuilder::new(all_instructions);
 
     define_control_flow(&mut ig, formats, imm, entities);
@@ -4647,6 +4647,4 @@ pub(crate) fn define(
         )
         .other_side_effects(true),
     );
-
-    ig.build()
 }

cranelift/codegen/meta/src/shared/mod.rs

@@ -4,14 +4,12 @@ pub mod entities;
 pub mod formats;
 pub mod immediates;
 pub mod instructions;
-pub mod legalize;
 pub mod settings;
 pub mod types;
 
 use crate::cdsl::formats::{FormatStructure, InstructionFormat};
-use crate::cdsl::instructions::{AllInstructions, InstructionGroup};
+use crate::cdsl::instructions::{AllInstructions};
 use crate::cdsl::settings::SettingGroup;
-use crate::cdsl::xform::TransformGroups;
 
 use crate::shared::entities::EntityRefs;
 use crate::shared::formats::Formats;
@@ -24,10 +22,8 @@ use std::rc::Rc;
 pub(crate) struct Definitions {
     pub settings: SettingGroup,
     pub all_instructions: AllInstructions,
-    pub instructions: InstructionGroup,
     pub imm: Immediates,
     pub formats: Formats,
-    pub transform_groups: TransformGroups,
     pub entities: EntityRefs,
 }
 
@@ -37,17 +33,13 @@ pub(crate) fn define() -> Definitions {
     let immediates = Immediates::new();
     let entities = EntityRefs::new();
     let formats = Formats::new(&immediates, &entities);
-    let instructions =
-        instructions::define(&mut all_instructions, &formats, &immediates, &entities);
-    let transform_groups = legalize::define(&instructions, &immediates);
+    instructions::define(&mut all_instructions, &formats, &immediates, &entities);
 
     Definitions {
         settings: settings::define(),
         all_instructions,
-        instructions,
         imm: immediates,
         formats,
-        transform_groups,
         entities,
     }
 }