Fold Box(Unbox(v)) and Unbox(Box(v)) for Float32x4 and Uint32x4

runtime/vm/intermediate_language.h

 // Copyright (c) 2013, 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.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 4384 matching lines @@
   DECLARE_INSTRUCTION(BoxFloat32x4)
   virtual CompileType ComputeType() const;
 
   virtual bool AllowsCSE() const { return true; }
   virtual EffectSet Effects() const { return EffectSet::None(); }
   virtual EffectSet Dependencies() const { return EffectSet::None(); }
   virtual bool AttributesEqual(Instruction* other) const { return true; }
 
   virtual bool MayThrow() const { return false; }
 
+  Definition* Canonicalize(FlowGraph* flow_graph);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(BoxFloat32x4Instr);
 };
 
 
 class BoxUint32x4Instr : public TemplateDefinition<1> {
  public:
   explicit BoxUint32x4Instr(Value* value) {
     SetInputAt(0, value);
   }
@@ skipping 10 matching lines @@
   DECLARE_INSTRUCTION(BoxUint32x4)
   virtual CompileType ComputeType() const;
 
   virtual bool AllowsCSE() const { return true; }
   virtual EffectSet Effects() const { return EffectSet::None(); }
   virtual EffectSet Dependencies() const { return EffectSet::None(); }
   virtual bool AttributesEqual(Instruction* other) const { return true; }
 
   virtual bool MayThrow() const { return false; }
 
+  Definition* Canonicalize(FlowGraph* flow_graph);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(BoxUint32x4Instr);
 };
 
 
 class BoxIntegerInstr : public TemplateDefinition<1> {
  public:
   explicit BoxIntegerInstr(Value* value) {
     SetInputAt(0, value);
   }
@@ skipping 77 matching lines @@
   DECLARE_INSTRUCTION(UnboxFloat32x4)
   virtual CompileType ComputeType() const;
 
   virtual bool AllowsCSE() const { return true; }
   virtual EffectSet Effects() const { return EffectSet::None(); }
   virtual EffectSet Dependencies() const { return EffectSet::None(); }
   virtual bool AttributesEqual(Instruction* other) const { return true; }
 
   virtual bool MayThrow() const { return false; }
 
+  Definition* Canonicalize(FlowGraph* flow_graph);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(UnboxFloat32x4Instr);
 };
 
 
 class UnboxUint32x4Instr : public TemplateDefinition<1> {
  public:
   UnboxUint32x4Instr(Value* value, intptr_t deopt_id) {
     SetInputAt(0, value);
     deopt_id_ = deopt_id;
@@ skipping 12 matching lines @@
   virtual bool AllowsCSE() const { return true; }
   virtual EffectSet Effects() const { return EffectSet::None(); }
   virtual EffectSet Dependencies() const { return EffectSet::None(); }
   virtual bool AttributesEqual(Instruction* other) const { return true; }
 
   DECLARE_INSTRUCTION(UnboxUint32x4)
   virtual CompileType ComputeType() const;
 
   virtual bool MayThrow() const { return false; }
 
+  Definition* Canonicalize(FlowGraph* flow_graph);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(UnboxUint32x4Instr);
 };
 
 
 class UnboxIntegerInstr : public TemplateDefinition<1> {
  public:
   UnboxIntegerInstr(Value* value, intptr_t deopt_id) {
     SetInputAt(0, value);
     deopt_id_ = deopt_id;
@@ skipping 2159 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_