Make constants computations instead of values.

runtime/vm/intermediate_language_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "lib/error.h"
@@ skipping 151 matching lines @@
 
 
 void StoreLocalComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register value = locs()->in(0).reg();
   Register result = locs()->out().reg();
   ASSERT(result == value);  // Assert that register assignment is correct.
   __ movq(Address(RBP, local().index() * kWordSize), value);
 }
 
 
-LocationSummary* MaterializeComp::MakeLocationSummary() const {
+LocationSummary* ConstantComp::MakeLocationSummary() const {
   return LocationSummary::Make(0,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
-void MaterializeComp::EmitNativeCode(FlowGraphCompiler* compiler) {
+void ConstantComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register result = locs()->out().reg();
-  __ LoadObject(result, constant_val()->value());
+  __ LoadObject(result, value());
 }
 
 
 LocationSummary* AssertAssignableComp::MakeLocationSummary() const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
       new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(RAX));  // Value.
   summary->set_in(1, Location::RegisterLocation(RCX));  // Instantiator.
@@ skipping 2251 matching lines @@
   __ testq(value, Immediate(kSmiTagMask));
   __ j(NOT_ZERO, deopt);
 }
 
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64