Delete CPS IR

pkg/compiler/lib/src/use_unused_api.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// This file use methods that aren't used by dart2js.dart, but that we wish to
 /// keep anyway. This might be general API that isn't currently in use,
 /// debugging aids, or API only used for testing (see TODO below).
 
 library dart2js.use_unused_api;
 
 import '../compiler.dart' as api;
 import 'colors.dart' as colors;
 import 'compiler.dart' as compiler;
 import 'constants/constant_system.dart' as constants;
 import 'constants/constructors.dart' as constants;
 import 'constants/evaluation.dart' as constants;
 import 'constants/expressions.dart' as constants;
 import 'constants/values.dart' as constants;
-import 'cps_ir/cps_ir_builder.dart' as ir_builder;
-import 'cps_ir/cps_ir_builder_task.dart' as ir_builder;
 import 'dart2js.dart' as dart2js;
 import 'dart_types.dart' as dart_types;
 import 'deferred_load.dart' as deferred;
 import 'diagnostics/source_span.dart' as diagnostics;
 import 'elements/elements.dart' as elements;
 import 'elements/modelx.dart' as modelx;
 import 'elements/visitor.dart' as elements_visitor;
 import 'filenames.dart' as filenames;
 import 'inferrer/type_graph_inferrer.dart' as type_graph_inferrer;
 import 'io/line_column_provider.dart' as io;
 import 'io/source_map_builder.dart' as io;
 import 'js/js.dart' as js;
 import 'js_backend/js_backend.dart' as js_backend;
 import 'js_emitter/full_emitter/emitter.dart' as full;
 import 'js_emitter/js_emitter.dart' as js_emitter;
 import 'js_emitter/program_builder/program_builder.dart' as program_builder;
 import 'parser/partial_elements.dart'
     show PartialClassElement, PartialFunctionElement;
 import 'resolution/operators.dart' as operators;
 import 'resolution/semantic_visitor.dart' as semantic_visitor;
 import 'script.dart';
 import 'source_file_provider.dart' as source_file_provider;
 import 'ssa/nodes.dart' as ssa;
 import 'tree/tree.dart' as tree;
-import 'tree_ir/tree_ir_nodes.dart' as tree_ir;
 import 'util/util.dart' as util;
 import 'world.dart';
 
 class ElementVisitor extends elements_visitor.BaseElementVisitor {
   visitElement(e, a) {}
 }
 
 void main(List<String> arguments) {
   useApi(null);
   dart2js.main(arguments);
   elements.Name.isPublicName(null);
   useConstant();
   useNode(null);
   useUtil(null);
   useSetlet(null);
   useImmutableEmptySet(null);
   useElementVisitor(new ElementVisitor());
   useJsNode(new js.Program(null));
   useJsNode(new js.NamedFunction(null, null));
   useJsNode(new js.ArrayHole());
   useJsOther(new js.SimpleJavaScriptPrintingContext());
   useJsBackend(null);
   useColor();
   useFilenames();
   useSsa(null);
   useIo();
   usedByTests();
   useElements();
-  useIr(null);
   useCompiler(null);
   useTypes();
   useCodeEmitterTask(null);
   useScript(null);
   useProgramBuilder(null);
   useSemanticVisitor();
-  useTreeVisitors();
   useDeferred();
 }
 
 useApi([api.ReadStringFromUri uri, compiler.Compiler compiler]) {
   compiler.analyzeUri(null);
   new diagnostics.SourceSpan.fromNode(null, null);
 }
 
 class NullConstantConstructorVisitor
     extends constants.ConstantConstructorVisitor {
@@ skipping 184 matching lines @@
     elements.LibraryElement l]) {
   e.lookupClassMember(null);
   e.lookupInterfaceMember(null);
   n.isAccessibleFrom(null);
   f.reuseElement();
   pce.copyWithEnclosing(null);
   pfe.copyWithEnclosing(null);
   l.forEachImport(null);
 }
 
-useIr(ir_builder.IrBuilder builder) {
-  builder..buildStringConstant(null);
-}
-
 useCompiler(compiler.Compiler c) {
   c.libraryLoader
     ..reset()
     ..resetAsync(null)
     ..lookupLibrary(null);
   c.forgetElement(null);
   c.backend.constantCompilerTask.copyConstantValues(null);
   c.currentlyInUserCode();
 }
 
@@ skipping 15 matching lines @@
 }
 
 useSemanticVisitor() {
   operators.UnaryOperator.fromKind(null);
   operators.BinaryOperator.fromKind(null);
   new semantic_visitor.BulkSendVisitor()..apply(null, null);
   new semantic_visitor.TraversalVisitor(null).apply(null, null);
   new semantic_visitor.BulkDeclarationVisitor().apply(null, null);
 }
 
-class TreeVisitor1 extends tree_ir.ExpressionVisitor1
-    with tree_ir.StatementVisitor1 {
-  noSuchMethod(inv) {}
-}
-
-useTreeVisitors() {
-  new TreeVisitor1().visitExpression(null, null);
-  new TreeVisitor1().visitStatement(null, null);
-}
-
 useDeferred([deferred.DeferredLoadTask task]) {
   task.dump();
 }