Remove unused VariableLocation::GLOBAL.

src/compiler/ast-graph-builder.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/ast-graph-builder.h"
 
 #include "src/ast/scopes.h"
 #include "src/compilation-info.h"
 #include "src/compiler.h"
 #include "src/compiler/ast-loop-assignment-analyzer.h"
@@ skipping 1065 matching lines @@
     VisitNoStackOverflowCheck(expr);
   } else {
     ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant());
   }
 }
 
 
 void AstGraphBuilder::VisitVariableDeclaration(VariableDeclaration* decl) {
   Variable* variable = decl->proxy()->var();
   switch (variable->location()) {
-    case VariableLocation::GLOBAL:
     case VariableLocation::UNALLOCATED: {
       DCHECK(!variable->binding_needs_init());
       FeedbackVectorSlot slot = decl->proxy()->VariableFeedbackSlot();
       DCHECK(!slot.IsInvalid());
       globals()->push_back(handle(Smi::FromInt(slot.ToInt()), isolate()));
       globals()->push_back(isolate()->factory()->undefined_value());
       break;
     }
     case VariableLocation::PARAMETER:
     case VariableLocation::LOCAL:
@@ skipping 19 matching lines @@
     }
     case VariableLocation::MODULE:
       UNREACHABLE();
   }
 }
 
 
 void AstGraphBuilder::VisitFunctionDeclaration(FunctionDeclaration* decl) {
   Variable* variable = decl->proxy()->var();
   switch (variable->location()) {
-    case VariableLocation::GLOBAL:
     case VariableLocation::UNALLOCATED: {
       Handle<SharedFunctionInfo> function = Compiler::GetSharedFunctionInfo(
           decl->fun(), info()->script(), info());
       // Check for stack-overflow exception.
       if (function.is_null()) return SetStackOverflow();
       FeedbackVectorSlot slot = decl->proxy()->VariableFeedbackSlot();
       DCHECK(!slot.IsInvalid());
       globals()->push_back(handle(Smi::FromInt(slot.ToInt()), isolate()));
       globals()->push_back(function);
       break;
@@ skipping 2186 matching lines @@
 }
 
 
 Node* AstGraphBuilder::BuildVariableLoad(Variable* variable,
                                          BailoutId bailout_id,
                                          const VectorSlotPair& feedback,
                                          OutputFrameStateCombine combine,
                                          TypeofMode typeof_mode) {
   Node* the_hole = jsgraph()->TheHoleConstant();
   switch (variable->location()) {
-    case VariableLocation::GLOBAL:
     case VariableLocation::UNALLOCATED: {
       // Global var, const, or let variable.
       Handle<Name> name = variable->name();
       if (Node* node = TryLoadGlobalConstant(name)) return node;
       Node* value = BuildGlobalLoad(name, feedback, typeof_mode);
       PrepareFrameState(value, bailout_id, combine);
       return value;
     }
     case VariableLocation::PARAMETER:
     case VariableLocation::LOCAL: {
@@ skipping 41 matching lines @@
   }
   UNREACHABLE();
   return nullptr;
 }
 
 
 Node* AstGraphBuilder::BuildVariableDelete(Variable* variable,
                                            BailoutId bailout_id,
                                            OutputFrameStateCombine combine) {
   switch (variable->location()) {
-    case VariableLocation::GLOBAL:
     case VariableLocation::UNALLOCATED: {
       // Global var, const, or let variable.
       Node* global = BuildLoadGlobalObject();
       Node* name = jsgraph()->Constant(variable->name());
       const Operator* op = javascript()->DeleteProperty(language_mode());
       Node* result = NewNode(op, global, name);
       PrepareFrameState(result, bailout_id, combine);
       return result;
     }
     case VariableLocation::PARAMETER:
@@ skipping 18 matching lines @@
   return nullptr;
 }
 
 Node* AstGraphBuilder::BuildVariableAssignment(
     Variable* variable, Node* value, Token::Value op,
     const VectorSlotPair& feedback, BailoutId bailout_id,
     OutputFrameStateCombine combine) {
   Node* the_hole = jsgraph()->TheHoleConstant();
   VariableMode mode = variable->mode();
   switch (variable->location()) {
-    case VariableLocation::GLOBAL:
     case VariableLocation::UNALLOCATED: {
       // Global var, const, or let variable.
       Handle<Name> name = variable->name();
       Node* store = BuildGlobalStore(name, value, feedback);
       PrepareFrameState(store, bailout_id, combine);
       return store;
     }
     case VariableLocation::PARAMETER:
     case VariableLocation::LOCAL:
       // Local var, const, or let variable.
@@ skipping 892 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8