Move Hydrogen and Lithium to src/crankshaft/

src/hydrogen-canonicalize.cc

-// Copyright 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/hydrogen-canonicalize.h"
-#include "src/hydrogen-redundant-phi.h"
-
-namespace v8 {
-namespace internal {
-
-void HCanonicalizePhase::Run() {
-  const ZoneList<HBasicBlock*>* blocks(graph()->blocks());
-  // Before removing no-op instructions, save their semantic value.
-  // We must be careful not to set the flag unnecessarily, because GVN
-  // cannot identify two instructions when their flag value differs.
-  for (int i = 0; i < blocks->length(); ++i) {
-    for (HInstructionIterator it(blocks->at(i)); !it.Done(); it.Advance()) {
-      HInstruction* instr = it.Current();
-      if (instr->IsArithmeticBinaryOperation()) {
-        if (instr->representation().IsInteger32()) {
-          if (instr->HasAtLeastOneUseWithFlagAndNoneWithout(
-                  HInstruction::kTruncatingToInt32)) {
-            instr->SetFlag(HInstruction::kAllUsesTruncatingToInt32);
-          }
-        } else if (instr->representation().IsSmi()) {
-          if (instr->HasAtLeastOneUseWithFlagAndNoneWithout(
-                  HInstruction::kTruncatingToSmi)) {
-            instr->SetFlag(HInstruction::kAllUsesTruncatingToSmi);
-          } else if (instr->HasAtLeastOneUseWithFlagAndNoneWithout(
-                         HInstruction::kTruncatingToInt32)) {
-            // Avoid redundant minus zero check
-            instr->SetFlag(HInstruction::kAllUsesTruncatingToInt32);
-          }
-        }
-      }
-    }
-  }
-
-  // Perform actual Canonicalization pass.
-  HRedundantPhiEliminationPhase redundant_phi_eliminator(graph());
-  for (int i = 0; i < blocks->length(); ++i) {
-    // Eliminate redundant phis in the block first; changes to their inputs
-    // might have made them redundant, and eliminating them creates more
-    // opportunities for constant folding and strength reduction.
-    redundant_phi_eliminator.ProcessBlock(blocks->at(i));
-    // Now canonicalize each instruction.
-    for (HInstructionIterator it(blocks->at(i)); !it.Done(); it.Advance()) {
-      HInstruction* instr = it.Current();
-      HValue* value = instr->Canonicalize();
-      if (value != instr) instr->DeleteAndReplaceWith(value);
-    }
-  }
-}
-
-}  // namespace internal
-}  // namespace v8