Remove support for non-ssa optimizing code generation.

runtime/vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 1082 matching lines @@
 
 
 void StoreInstanceFieldComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register instance_reg = locs()->in(0).reg();
   Register value_reg = locs()->in(1).reg();
 
   if (HasICData()) {
     ASSERT(original() != NULL);
     Label* deopt = compiler->AddDeoptStub(original()->deopt_id(),
                                           original()->try_index(),
-                                          kDeoptInstanceGetterSameTarget,
-                                          instance_reg,
-                                          value_reg);
+                                          kDeoptInstanceGetterSameTarget);
     // Smis do not have instance fields (Smi class is always first).
     Register temp_reg = locs()->temp(0).reg();
     ASSERT(temp_reg != instance_reg);
     ASSERT(temp_reg != value_reg);
     ASSERT(ic_data() != NULL);
     compiler->EmitClassChecksNoSmi(*ic_data(), instance_reg, temp_reg, deopt);
   }
   __ StoreIntoObject(instance_reg, FieldAddress(instance_reg, field().Offset()),
                      value_reg);
 }
@@ skipping 364 matching lines @@
   LocationSummary* locs =
       new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // TODO(fschneider): Use Any() once it is supported by all code generators.
   locs->set_in(0, Location::RequiresRegister());
   return locs;
 }
 
 
 void PushArgumentInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // In SSA mode, we need an explicit push. Nothing to do in non-SSA mode
-  // where PushArgument is handled in FrameRegisterAllocator::AllocateRegisters.
-  // Instead of popping the value it is left alone on the simulated frame
-  // and materialized on the physical stack before the call.
+  // where PushArgument is handled by BindInstr::EmitNativeCode.
   // TODO(fschneider): Avoid special-casing for SSA mode here.
-  if (compiler->is_ssa()) {
+  if (compiler->is_optimizing()) {
     ASSERT(locs()->in(0).IsRegister());
     __ PushRegister(locs()->in(0).reg());
   }
 }
 
 
 // Helper to either use the constant value of a definition or the definition.
 static Value* UseDefinition(Definition* defn) {
   if (defn->IsBind() && defn->AsBind()->computation()->IsConstant()) {
     return defn->AsBind()->computation()->AsConstant();
@@ skipping 10 matching lines @@
       fixed_parameter_count_(fixed_parameter_count) {
   for (intptr_t i = 0; i < definitions.length(); ++i) {
     values_.Add(UseDefinition(definitions[i]));
   }
 }
 
 
 #undef __
 
 }  // namespace dart