Preliminary lowering of typed array loads in TF.

test/cctest/compiler/function-tester.h

 // 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.
 
 #ifndef V8_CCTEST_COMPILER_FUNCTION_TESTER_H_
 #define V8_CCTEST_COMPILER_FUNCTION_TESTER_H_
 
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
@@ skipping 14 matching lines @@
 namespace compiler {
 
 class FunctionTester : public InitializedHandleScope {
  public:
   explicit FunctionTester(const char* source, uint32_t flags = 0)
       : isolate(main_isolate()),
         function((FLAG_allow_natives_syntax = true, NewFunction(source))),
         flags_(flags) {
     Compile(function);
     const uint32_t supported_flags = CompilationInfo::kContextSpecializing |
-                                     CompilationInfo::kInliningEnabled;
+                                     CompilationInfo::kInliningEnabled |
+                                     CompilationInfo::kTypingEnabled;
     CHECK_EQ(0, flags_ & ~supported_flags);
   }
 
   Isolate* isolate;
   Handle<JSFunction> function;
 
   Handle<JSFunction> Compile(Handle<JSFunction> function) {
 #if V8_TURBOFAN_TARGET
     CompilationInfoWithZone info(function);
 
     CHECK(Parser::Parse(&info));
     StrictMode strict_mode = info.function()->strict_mode();
     info.SetStrictMode(strict_mode);
     info.SetOptimizing(BailoutId::None(), Handle<Code>(function->code()));
     if (flags_ & CompilationInfo::kContextSpecializing) {
       info.MarkAsContextSpecializing();
     }
     if (flags_ & CompilationInfo::kInliningEnabled) {
       info.MarkAsInliningEnabled();
     }
+    if (flags_ & CompilationInfo::kTypingEnabled) {
+      info.MarkAsTypingEnabled();
+    }
     CHECK(Rewriter::Rewrite(&info));
     CHECK(Scope::Analyze(&info));
     CHECK_NE(NULL, info.scope());
     Handle<ScopeInfo> scope_info = ScopeInfo::Create(info.scope(), info.zone());
     info.shared_info()->set_scope_info(*scope_info);
 
     EnsureDeoptimizationSupport(&info);
 
     Pipeline pipeline(&info);
     Handle<Code> code = pipeline.GenerateCode();
@@ skipping 134 matching lines @@
   Handle<Object> false_value() { return isolate->factory()->false_value(); }
 
  private:
   uint32_t flags_;
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_CCTEST_COMPILER_FUNCTION_TESTER_H_