pkg/compiler/lib/src/tree_ir/optimization/copy_propagator.dart - Issue 722933003: Move shared optimizations to the tree_ir directory.

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Unified Diff: pkg/compiler/lib/src/tree_ir/optimization/copy_propagator.dart

Issue 722933003: Move shared optimizations to the tree_ir directory. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Created 6 years, 1 month ago

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Index: pkg/compiler/lib/src/tree_ir/optimization/copy_propagator.dart

diff --git a/pkg/compiler/lib/src/dart_backend/copy_propagator.dart b/pkg/compiler/lib/src/tree_ir/optimization/copy_propagator.dart

similarity index 97%

rename from pkg/compiler/lib/src/dart_backend/copy_propagator.dart

rename to pkg/compiler/lib/src/tree_ir/optimization/copy_propagator.dart

index 8f9ceb86b0af359803e6a211b91e02704aea1244..1eed8b7853d8e1499f20e4586c0e1b49945dc343 100644

--- a/pkg/compiler/lib/src/dart_backend/copy_propagator.dart

+++ b/pkg/compiler/lib/src/tree_ir/optimization/copy_propagator.dart

@@ -2,10 +2,7 @@

// BSD-style license that can be found in the LICENSE file.

-library copy_propagator;

-import '../elements/elements.dart';

-import '../tree_ir/tree_ir_nodes.dart';

+part of tree_ir.optimization;

/// Eliminates moving assignments, such as w := v, by assigning directly to w

/// at the definition of v.

@@ -13,7 +10,7 @@ import '../tree_ir/tree_ir_nodes.dart';

/// This compensates for suboptimal register allocation, and merges closure

/// variables with local temporaries that were left behind when translating

/// out of CPS (where closure variables live in a separate space).

-class CopyPropagator extends RecursiveVisitor {

+class CopyPropagator extends RecursiveVisitor implements Pass {

/// After visitStatement returns, [move] maps a variable v to an

/// assignment A of form w := v, under the following conditions: