[turbofan] Get rid of type lower bounds.

src/compiler/js-builtin-reducer.cc

 // Copyright 2014 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/compiler/diamond.h"
 #include "src/compiler/js-builtin-reducer.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 #include "src/objects-inl.h"
@@ skipping 27 matching lines @@
     Handle<JSFunction> function = Handle<JSFunction>::cast(m.Value());
     return function->shared()->builtin_function_id();
   }
 
   // Determines whether the call takes zero inputs.
   bool InputsMatchZero() { return GetJSCallArity() == 0; }
 
   // Determines whether the call takes one input of the given type.
   bool InputsMatchOne(Type* t1) {
     return GetJSCallArity() == 1 &&
-           NodeProperties::GetBounds(GetJSCallInput(0)).upper->Is(t1);
+           NodeProperties::GetType(GetJSCallInput(0))->Is(t1);
   }
 
   // Determines whether the call takes two inputs of the given types.
   bool InputsMatchTwo(Type* t1, Type* t2) {
     return GetJSCallArity() == 2 &&
-           NodeProperties::GetBounds(GetJSCallInput(0)).upper->Is(t1) &&
-           NodeProperties::GetBounds(GetJSCallInput(1)).upper->Is(t2);
+           NodeProperties::GetType(GetJSCallInput(0))->Is(t1) &&
+           NodeProperties::GetType(GetJSCallInput(1))->Is(t2);
   }
 
   // Determines whether the call takes inputs all of the given type.
   bool InputsMatchAll(Type* t) {
     for (int i = 0; i < GetJSCallArity(); i++) {
-      if (!NodeProperties::GetBounds(GetJSCallInput(i)).upper->Is(t)) {
+      if (!NodeProperties::GetType(GetJSCallInput(i))->Is(t)) {
         return false;
       }
     }
     return true;
   }
 
   Node* left() { return GetJSCallInput(0); }
   Node* right() { return GetJSCallInput(1); }
 
   int GetJSCallArity() {
@@ skipping 108 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSBuiltinReducer::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8