1 files changed, 0 insertions, 116 deletions
diff --git a/src/main/java/com/android/tools/r8/ir/conversion/OptimizationFeedbackDelayed.java b/src/main/java/com/android/tools/r8/ir/conversion/OptimizationFeedbackDelayed.java
deleted file mode 100644
index a8c81ef75..000000000
--- a/src/main/java/com/android/tools/r8/ir/conversion/OptimizationFeedbackDelayed.java
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright (c) 2017, the R8 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.
-
-package com.android.tools.r8.ir.conversion;
-
-import com.android.tools.r8.graph.DexEncodedMethod;
-import com.android.tools.r8.ir.optimize.Inliner.Constraint;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
-import it.unimi.dsi.fastutil.objects.Reference2IntMap;
-import it.unimi.dsi.fastutil.objects.Reference2IntOpenHashMap;
-import it.unimi.dsi.fastutil.objects.Reference2LongMap;
-import it.unimi.dsi.fastutil.objects.Reference2LongOpenHashMap;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-public class OptimizationFeedbackDelayed implements OptimizationFeedback {
-
-  private Reference2IntMap<DexEncodedMethod> returnsArgument = new Reference2IntOpenHashMap<>();
-  private Reference2LongMap<DexEncodedMethod> returnsConstant = new Reference2LongOpenHashMap<>();
-  private Set<DexEncodedMethod> neverReturnsNull = Sets.newIdentityHashSet();
-  private Map<DexEncodedMethod, Constraint> inliningConstraints = Maps.newIdentityHashMap();
-
-  @Override
-  synchronized public void methodReturnsArgument(DexEncodedMethod method, int argument) {
-    if (method.getOptimizationInfo().returnsArgument()) {
-      assert method.getOptimizationInfo().getReturnedArgument() == argument;
-      return;
-    }
-    assert !returnsArgument.containsKey(method);
-    returnsArgument.put(method, argument);
-  }
-
-  @Override
-  synchronized public void methodReturnsConstant(DexEncodedMethod method, long value) {
-    if (method.getOptimizationInfo().returnsConstant()) {
-      assert method.getOptimizationInfo().getReturnedConstant() == value;
-      return;
-    }
-    assert !returnsConstant.containsKey(method);
-    returnsConstant.put(method, value);
-  }
-
-  @Override
-  synchronized public void methodNeverReturnsNull(DexEncodedMethod method) {
-    if (method.getOptimizationInfo().neverReturnsNull()) {
-      return;
-    }
-    assert !neverReturnsNull.contains(method);
-    neverReturnsNull.add(method);
-  }
-
-  @Override
-  public void markProcessed(DexEncodedMethod method, Constraint state) {
-    if (state == Constraint.NEVER) {
-      assert method.cannotInline();
-      method.markProcessed(state);
-    } else {
-      inliningConstraints.put(method, state);
-    }
-  }
-
-  private <T> boolean setsOverlap(Set<T> set1, Set<T> set2) {
-    for (T element : set1) {
-      if (set2.contains(element)) {
-        return true;
-      }
-    }
-    return false;
-  }
-
-  /**
-   * Apply the optimization feedback.
-   *
-   * Returns the methods from the passed in list that could be affected by applying the
-   * optimization feedback.
-   */
-  public List<DexEncodedMethod> applyAndClear(
-      List<DexEncodedMethod> processed, CallGraph.Leaves leaves) {
-    returnsArgument.forEach(DexEncodedMethod::markReturnsArgument);
-    returnsConstant.forEach(DexEncodedMethod::markReturnsConstant);
-    neverReturnsNull.forEach(DexEncodedMethod::markNeverReturnsNull);
-
-    // Collect all methods affected by the optimization feedback applied.
-    Set<DexEncodedMethod> all = Sets.newIdentityHashSet();
-    all.addAll(returnsArgument.keySet());
-    all.addAll(returnsConstant.keySet());
-    all.addAll(neverReturnsNull);
-    inliningConstraints.forEach((method, constraint) -> {
-      boolean changed = method.markProcessed(constraint);
-      if (changed) {
-        all.add(method);
-      }
-    });
-
-    // Collect the processed methods which could be affected by the applied optimization feedback.
-    List<DexEncodedMethod> result = new ArrayList<>();
-    for (DexEncodedMethod method : processed) {
-      Set<DexEncodedMethod> calls = leaves.getCycleBreakingCalls().get(method);
-      if (setsOverlap(calls, all)) {
-        result.add(method);
-      }
-    }
-
-    // Clear the collected optimization feedback.
-    returnsArgument.clear();
-    returnsConstant.clear();
-    neverReturnsNull.clear();
-    inliningConstraints.clear();
-
-    return result;
-  }
-}