[Interpreter] Unify global and unallocated variable access.

test/cctest/interpreter/test-interpreter.cc

 // Copyright 2015 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/v8.h"
 
 #include "src/execution.h"
 #include "src/handles.h"
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/interpreter.h"
@@ skipping 762 matching lines @@
   Handle<i::TypeFeedbackVector> vector =
       i::NewTypeFeedbackVector(isolate, &feedback_spec);
 
   Handle<i::String> name = factory->NewStringFromAsciiChecked("val");
   name = factory->string_table()->LookupString(isolate, name);
 
   BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone());
   builder.set_locals_count(0);
   builder.set_context_count(0);
   builder.set_parameter_count(1);
-  builder.LoadLiteral(name)
-      .LoadNamedProperty(builder.Parameter(0), vector->GetIndex(slot),
-                         i::SLOPPY)
+  size_t name_index = builder.GetConstantPoolEntry(name);
+  builder.LoadNamedProperty(builder.Parameter(0), name_index,
+                            vector->GetIndex(slot), i::SLOPPY)
       .Return();
   Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
 
   InterpreterTester tester(handles.main_isolate(), bytecode_array, vector);
   auto callable = tester.GetCallable<Handle<Object>>();
 
   Handle<Object> object = InterpreterTester::NewObject("({ val : 123 })");
   // Test IC miss.
   Handle<Object> return_val = callable(object).ToHandleChecked();
   CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(123));
@@ skipping 76 matching lines @@
   i::FeedbackVectorSpec feedback_spec(&zone);
   i::FeedbackVectorSlot slot = feedback_spec.AddStoreICSlot();
 
   Handle<i::TypeFeedbackVector> vector =
       i::NewTypeFeedbackVector(isolate, &feedback_spec);
 
   Handle<i::String> name = factory->NewStringFromAsciiChecked("val");
   name = factory->string_table()->LookupString(isolate, name);
 
   BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone());
-  builder.set_locals_count(1);
+  builder.set_locals_count(0);
   builder.set_context_count(0);
   builder.set_parameter_count(1);
-  builder.LoadLiteral(name)
-      .StoreAccumulatorInRegister(Register(0))
-      .LoadLiteral(Smi::FromInt(999))
-      .StoreNamedProperty(builder.Parameter(0), Register(0),
+  size_t name_index = builder.GetConstantPoolEntry(name);
+  builder.LoadLiteral(Smi::FromInt(999))
+      .StoreNamedProperty(builder.Parameter(0), name_index,
                           vector->GetIndex(slot), i::STRICT)
       .Return();
   Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
 
   InterpreterTester tester(isolate, bytecode_array, vector);
   auto callable = tester.GetCallable<Handle<Object>>();
   Handle<Object> object = InterpreterTester::NewObject("({ val : 123 })");
   // Test IC miss.
   Handle<Object> result;
   callable(object).ToHandleChecked();
@@ skipping 92 matching lines @@
 
   Handle<i::String> name = factory->NewStringFromAsciiChecked("func");
   name = factory->string_table()->LookupString(isolate, name);
 
   // Check with no args.
   {
     BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone());
     builder.set_locals_count(1);
     builder.set_context_count(0);
     builder.set_parameter_count(1);
-    builder.LoadLiteral(name)
-        .LoadNamedProperty(builder.Parameter(0), slot_index, i::SLOPPY)
+    size_t name_index = builder.GetConstantPoolEntry(name);
+    builder.LoadNamedProperty(builder.Parameter(0), name_index, slot_index,
+                              i::SLOPPY)
         .StoreAccumulatorInRegister(Register(0))
         .Call(Register(0), builder.Parameter(0), 0)
         .Return();
     Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
 
     InterpreterTester tester(handles.main_isolate(), bytecode_array, vector);
     auto callable = tester.GetCallable<Handle<Object>>();
 
     Handle<Object> object = InterpreterTester::NewObject(
         "new (function Obj() { this.func = function() { return 0x265; }})()");
     Handle<Object> return_val = callable(object).ToHandleChecked();
     CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(0x265));
   }
 
   // Check that receiver is passed properly.
   {
     BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone());
     builder.set_locals_count(1);
     builder.set_context_count(0);
     builder.set_parameter_count(1);
-    builder.LoadLiteral(name)
-        .LoadNamedProperty(builder.Parameter(0), slot_index, i::SLOPPY)
+    size_t name_index = builder.GetConstantPoolEntry(name);
+    builder.LoadNamedProperty(builder.Parameter(0), name_index, slot_index,
+                              i::SLOPPY)
         .StoreAccumulatorInRegister(Register(0))
         .Call(Register(0), builder.Parameter(0), 0)
         .Return();
     Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
 
     InterpreterTester tester(handles.main_isolate(), bytecode_array, vector);
     auto callable = tester.GetCallable<Handle<Object>>();
 
     Handle<Object> object = InterpreterTester::NewObject(
         "new (function Obj() {"
         "  this.val = 1234;"
         "  this.func = function() { return this.val; };"
         "})()");
     Handle<Object> return_val = callable(object).ToHandleChecked();
     CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(1234));
   }
 
   // Check with two parameters (+ receiver).
   {
     BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone());
     builder.set_locals_count(4);
     builder.set_context_count(0);
     builder.set_parameter_count(1);
-    builder.LoadLiteral(name)
-        .LoadNamedProperty(builder.Parameter(0), slot_index, i::SLOPPY)
+    size_t name_index = builder.GetConstantPoolEntry(name);
+    builder.LoadNamedProperty(builder.Parameter(0), name_index, slot_index,
+                              i::SLOPPY)
         .StoreAccumulatorInRegister(Register(0))
         .LoadAccumulatorWithRegister(builder.Parameter(0))
         .StoreAccumulatorInRegister(Register(1))
         .LoadLiteral(Smi::FromInt(51))
         .StoreAccumulatorInRegister(Register(2))
         .LoadLiteral(Smi::FromInt(11))
         .StoreAccumulatorInRegister(Register(3))
         .Call(Register(0), Register(1), 2)
         .Return();
     Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
 
     InterpreterTester tester(handles.main_isolate(), bytecode_array, vector);
     auto callable = tester.GetCallable<Handle<Object>>();
 
     Handle<Object> object = InterpreterTester::NewObject(
         "new (function Obj() { "
         "  this.func = function(a, b) { return a - b; }"
         "})()");
     Handle<Object> return_val = callable(object).ToHandleChecked();
     CHECK(return_val->SameValue(Smi::FromInt(40)));
   }
 
   // Check with 10 parameters (+ receiver).
   {
     BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone());
     builder.set_locals_count(12);
     builder.set_context_count(0);
     builder.set_parameter_count(1);
-    builder.LoadLiteral(name)
-        .LoadNamedProperty(builder.Parameter(0), slot_index, i::SLOPPY)
+    size_t name_index = builder.GetConstantPoolEntry(name);
+    builder.LoadNamedProperty(builder.Parameter(0), name_index, slot_index,
+                              i::SLOPPY)
         .StoreAccumulatorInRegister(Register(0))
         .LoadAccumulatorWithRegister(builder.Parameter(0))
         .StoreAccumulatorInRegister(Register(1))
         .LoadLiteral(factory->NewStringFromAsciiChecked("a"))
         .StoreAccumulatorInRegister(Register(2))
         .LoadLiteral(factory->NewStringFromAsciiChecked("b"))
         .StoreAccumulatorInRegister(Register(3))
         .LoadLiteral(factory->NewStringFromAsciiChecked("c"))
         .StoreAccumulatorInRegister(Register(4))
         .LoadLiteral(factory->NewStringFromAsciiChecked("d"))
@@ skipping 965 matching lines @@
       "(function() { try { f(); } catch(e) { return e; }})()";
 
   for (size_t i = 0; i < arraysize(throws); i++) {
     std::string source(InterpreterTester::SourceForBody(throws[i].first));
     InterpreterTester tester(handles.main_isolate(), source.c_str());
     tester.GetCallable<>();
     Handle<Object> thrown_obj = v8::Utils::OpenHandle(*CompileRun(try_wrapper));
     CHECK(thrown_obj->SameValue(*throws[i].second));
   }
 }