Implement eager instantiation and canonicalization of type arguments at run

runtime/vm/intermediate_language_mips.cc

 // Copyright (c) 2013, 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_MIPS.
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/dart_entry.h"
@@ skipping 1930 matching lines @@
   ASSERT(locs()->in(0).reg() == A0);
   ASSERT(locs()->in(1).reg() == A1);
   compiler->GenerateCall(token_pos(),
                          &StubCode::AllocateArrayLabel(),
                          PcDescriptors::kOther,
                          locs());
   ASSERT(locs()->out().reg() == V0);
 }
 
 
-LocationSummary*
-AllocateObjectWithBoundsCheckInstr::MakeLocationSummary(bool opt) const {
-  return MakeCallSummary();
-}
-
-
-void AllocateObjectWithBoundsCheckInstr::EmitNativeCode(
-    FlowGraphCompiler* compiler) {
-  compiler->GenerateRuntimeCall(token_pos(),
-                                deopt_id(),
-                                kAllocateObjectWithBoundsCheckRuntimeEntry,
-                                3,
-                                locs());
-  __ Drop(3);
-  ASSERT(locs()->out().reg() == V0);
-  __ Pop(V0);  // Pop new instance.
-}
-
-
 class BoxDoubleSlowPath : public SlowPathCode {
  public:
   explicit BoxDoubleSlowPath(Instruction* instruction)
       : instruction_(instruction) { }
 
   virtual void EmitNativeCode(FlowGraphCompiler* compiler) {
     __ Comment("BoxDoubleSlowPath");
     __ Bind(entry_label());
     const Class& double_class = compiler->double_class();
     const Code& stub =
@@ skipping 123 matching lines @@
   locs->set_out(Location::RegisterLocation(T0));
   return locs;
 }
 
 
 void InstantiateTypeInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   __ TraceSimMsg("InstantiateTypeInstr");
   Register instantiator_reg = locs()->in(0).reg();
   Register result_reg = locs()->out().reg();
 
-  // 'instantiator_reg' is the instantiator AbstractTypeArguments object
-  // (or null).
+  // 'instantiator_reg' is the instantiator TypeArguments object (or null).
   // A runtime call to instantiate the type is required.
   __ addiu(SP, SP, Immediate(-3 * kWordSize));
   __ LoadObject(TMP, Object::ZoneHandle());
   __ sw(TMP, Address(SP, 2 * kWordSize));  // Make room for the result.
   __ LoadObject(TMP, type());
   __ sw(TMP, Address(SP, 1 * kWordSize));
   // Push instantiator type arguments.
   __ sw(instantiator_reg, Address(SP, 0 * kWordSize));
 
   compiler->GenerateRuntimeCall(token_pos(),
@@ skipping 20 matching lines @@
   return locs;
 }
 
 
 void InstantiateTypeArgumentsInstr::EmitNativeCode(
     FlowGraphCompiler* compiler) {
   __ TraceSimMsg("InstantiateTypeArgumentsInstr");
   Register instantiator_reg = locs()->in(0).reg();
   Register result_reg = locs()->out().reg();
 
-  // 'instantiator_reg' is the instantiator AbstractTypeArguments object
-  // (or null).
+  // 'instantiator_reg' is the instantiator TypeArguments object (or null).
   ASSERT(!type_arguments().IsUninstantiatedIdentity() &&
          !type_arguments().CanShareInstantiatorTypeArguments(
              instantiator_class()));
   // If the instantiator is null and if the type argument vector
   // instantiated from null becomes a vector of dynamic, then use null as
   // the type arguments.
   Label type_arguments_instantiated;
   const intptr_t len = type_arguments().Length();
   if (type_arguments().IsRawInstantiatedRaw(len)) {
     __ BranchEqual(instantiator_reg, reinterpret_cast<int32_t>(Object::null()),
@@ skipping 34 matching lines @@
   return locs;
 }
 
 
 void ExtractConstructorTypeArgumentsInstr::EmitNativeCode(
     FlowGraphCompiler* compiler) {
   Register instantiator_reg = locs()->in(0).reg();
   Register result_reg = locs()->out().reg();
   ASSERT(instantiator_reg == result_reg);
 
-  // instantiator_reg is the instantiator type argument vector, i.e. an
-  // AbstractTypeArguments object (or null).
+  // instantiator_reg is the instantiator type argument vector,
+  // i.e. a TypeArguments object (or null).
   ASSERT(!type_arguments().IsUninstantiatedIdentity() &&
          !type_arguments().CanShareInstantiatorTypeArguments(
              instantiator_class()));
   // If the instantiator is null and if the type argument vector
   // instantiated from null becomes a vector of dynamic, then use null as
   // the type arguments.
   Label type_arguments_instantiated;
   ASSERT(type_arguments().IsRawInstantiatedRaw(type_arguments().Length()));
   __ BranchEqual(instantiator_reg, reinterpret_cast<int32_t>(Object::null()),
                  &type_arguments_instantiated);
@@ skipping 18 matching lines @@
   locs->set_out(Location::SameAsFirstInput());
   return locs;
 }
 
 
 void ExtractConstructorInstantiatorInstr::EmitNativeCode(
     FlowGraphCompiler* compiler) {
   Register instantiator_reg = locs()->in(0).reg();
   ASSERT(locs()->out().reg() == instantiator_reg);
 
-  // instantiator_reg is the instantiator AbstractTypeArguments object
-  // (or null).
+  // instantiator_reg is the instantiator TypeArguments object (or null).
   ASSERT(!type_arguments().IsUninstantiatedIdentity() &&
          !type_arguments().CanShareInstantiatorTypeArguments(
              instantiator_class()));
 
   // If the instantiator is null and if the type argument vector
   // instantiated from null becomes a vector of dynamic, then use null as
   // the type arguments and do not pass the instantiator.
   ASSERT(type_arguments().IsRawInstantiatedRaw(type_arguments().Length()));
   Label instantiator_not_null;
   __ BranchNotEqual(instantiator_reg, reinterpret_cast<int32_t>(Object::null()),
@@ skipping 1981 matching lines @@
   compiler->GenerateCall(token_pos(),
                          &label,
                          PcDescriptors::kOther,
                          locs());
   __ Drop(2);  // Discard type arguments and receiver.
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS