[turbofan] Emit memory operands for cmp and test on ia32 and x64 when it makes sense.

src/compiler/instruction-selector.h

Index: src/compiler/instruction-selector.h
diff --git a/src/compiler/instruction-selector.h b/src/compiler/instruction-selector.h
index 33c0b9bba01a43c28f4a80ab5b81ce6340a57d32..a01cab4dab5232390bdb8413d8f451722f360247 100644
--- a/src/compiler/instruction-selector.h
+++ b/src/compiler/instruction-selector.h
@@ -149,6 +149,9 @@ class InstructionSelector final {
   // Checks if {node} is currently live.
   bool IsLive(Node* node) const { return !IsDefined(node) && IsUsed(node); }
 
+  // Gets the effect level of {node}.
+  int GetEffectLevel(Node* node) const;
+
   int GetVirtualRegister(const Node* node);
   const std::map<NodeId, int> GetVirtualRegistersForTesting() const;
 
@@ -168,6 +171,9 @@ class InstructionSelector final {
   // will need to generate code for it.
   void MarkAsUsed(Node* node);
 
+  // Sets the effect level of {node}.
+  void SetEffectLevel(Node* node, int effect_level);
+
   // Inform the register allocation of the representation of the value produced
   // by {node}.
   void MarkAsRepresentation(MachineRepresentation rep, Node* node);
@@ -269,6 +275,7 @@ class InstructionSelector final {
   ZoneVector<Instruction*> instructions_;
   BoolVector defined_;
   BoolVector used_;
+  IntVector effect_level_;
   IntVector virtual_registers_;
   InstructionScheduler* scheduler_;
   Frame* frame_;