[turbofan] Add control input to Load and LoadElements.

src/compiler/common-operator.cc

Index: src/compiler/common-operator.cc
diff --git a/src/compiler/common-operator.cc b/src/compiler/common-operator.cc
index 4ce98aa40ec5e100f280b7c0801fda89f1ef7c92..f0f158bd6f926db890068480bf7f6a77f64a5d1a 100644
--- a/src/compiler/common-operator.cc
+++ b/src/compiler/common-operator.cc
@@ -75,13 +75,6 @@ struct CommonOperatorBuilderImpl FINAL {
   Name##Operator k##Name##Operator;
   SHARED_OP_LIST(SHARED)
 #undef SHARED
-
-  struct ControlEffectOperator FINAL : public SimpleOperator {
-    ControlEffectOperator()
-        : SimpleOperator(IrOpcode::kControlEffect, Operator::kPure, 0, 0,
-                         "ControlEffect") {}
-  };
-  ControlEffectOperator kControlEffectOperator;
 };
 
 
@@ -189,11 +182,6 @@ const Operator* CommonOperatorBuilder::EffectPhi(int arguments) {
 }
 
 
-const Operator* CommonOperatorBuilder::ControlEffect() {
-  return &impl_.kControlEffectOperator;
-}
-
-
 const Operator* CommonOperatorBuilder::ValueEffect(int arguments) {
   DCHECK(arguments > 0);  // Disallow empty value effects.
   return new (zone()) SimpleOperator(IrOpcode::kValueEffect, Operator::kPure,