Implement representation selection as part of SimplifiedLowering. Representation selection also req…

test/cctest/compiler/call-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_CALL_TESTER_H_
 #define V8_CCTEST_COMPILER_CALL_TESTER_H_
 
 #include "src/v8.h"
 
 #include "src/simulator.h"
@@ skipping 88 matching lines @@
     return MachineOperatorBuilder::pointer_rep();
   }
 };
 
 template <>
 struct ReturnValueTraits<double> {
   static double Cast(uintptr_t r) {
     UNREACHABLE();
     return 0.0;
   }
+  static MachineRepresentation Representation() { return kMachineFloat64; }
 };
 
 
 template <typename R>
 struct ParameterTraits {
   static uintptr_t Cast(R r) { return static_cast<uintptr_t>(r); }
 };
 
 template <>
 struct ParameterTraits<int*> {
@@ skipping 263 matching lines @@
 
  private:
   CallHelper* helper() { return static_cast<C*>(this); }
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_CALL_TESTER_H_