MIPS: Stop using HeapType in IC and Crankshaft

src/ic/mips64/handler-compiler-mips64.cc

 // 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
 #include "src/ic/ic.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm)
 
 
 void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
-    MacroAssembler* masm, Handle<HeapType> type, Register receiver,
-    Register holder, int accessor_index, int expected_arguments,
-    Register scratch) {
+    MacroAssembler* masm, Handle<Map> map, Register receiver, Register holder,
+    int accessor_index, int expected_arguments, Register scratch) {
   // ----------- S t a t e -------------
   //  -- a0    : receiver
   //  -- a2    : name
   //  -- ra    : return address
   // -----------------------------------
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
     if (accessor_index >= 0) {
       DCHECK(!holder.is(scratch));
       DCHECK(!receiver.is(scratch));
       // Call the JavaScript getter with the receiver on the stack.
-      if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
+      if (map->IsJSGlobalObjectMap()) {
         // Swap in the global receiver.
         __ ld(scratch,
               FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
         receiver = scratch;
       }
       __ push(receiver);
       ParameterCount actual(0);
       ParameterCount expected(expected_arguments);
       __ LoadAccessor(a1, holder, accessor_index, ACCESSOR_GETTER);
       __ InvokeFunction(a1, expected, actual, CALL_FUNCTION, NullCallWrapper());
     } else {
       // If we generate a global code snippet for deoptimization only, remember
       // the place to continue after deoptimization.
       masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset());
     }
 
     // Restore context register.
     __ ld(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
   }
   __ Ret();
 }
 
 
 void NamedStoreHandlerCompiler::GenerateStoreViaSetter(
-    MacroAssembler* masm, Handle<HeapType> type, Register receiver,
-    Register holder, int accessor_index, int expected_arguments,
-    Register scratch) {
+    MacroAssembler* masm, Handle<Map> map, Register receiver, Register holder,
+    int accessor_index, int expected_arguments, Register scratch) {
   // ----------- S t a t e -------------
   //  -- ra    : return address
   // -----------------------------------
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
     // Save value register, so we can restore it later.
     __ push(value());
 
     if (accessor_index >= 0) {
       DCHECK(!holder.is(scratch));
       DCHECK(!receiver.is(scratch));
       DCHECK(!value().is(scratch));
       // Call the JavaScript setter with receiver and value on the stack.
-      if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
+      if (map->IsJSGlobalObjectMap()) {
         // Swap in the global receiver.
         __ ld(scratch,
               FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
         receiver = scratch;
       }
       __ Push(receiver, value());
       ParameterCount actual(1);
       ParameterCount expected(expected_arguments);
       __ LoadAccessor(a1, holder, accessor_index, ACCESSOR_SETTER);
       __ InvokeFunction(a1, expected, actual, CALL_FUNCTION, NullCallWrapper());
@@ skipping 311 matching lines @@
     }
     __ bind(&do_store);
   }
 }
 
 
 Register PropertyHandlerCompiler::CheckPrototypes(
     Register object_reg, Register holder_reg, Register scratch1,
     Register scratch2, Handle<Name> name, Label* miss,
     PrototypeCheckType check) {
-  Handle<Map> receiver_map(IC::TypeToMap(*type(), isolate()));
+  Handle<Map> receiver_map = map();
 
   // Make sure there's no overlap between holder and object registers.
   DCHECK(!scratch1.is(object_reg) && !scratch1.is(holder_reg));
   DCHECK(!scratch2.is(object_reg) && !scratch2.is(holder_reg) &&
          !scratch2.is(scratch1));
 
   // Keep track of the current object in register reg.
   Register reg = object_reg;
   int depth = 0;
 
   Handle<JSObject> current = Handle<JSObject>::null();
-  if (type()->IsConstant()) {
-    current = Handle<JSObject>::cast(type()->AsConstant()->Value());
+  if (receiver_map->IsJSGlobalObjectMap()) {
+    current = isolate()->global_object();
   }
   Handle<JSObject> prototype = Handle<JSObject>::null();
   Handle<Map> current_map = receiver_map;
   Handle<Map> holder_map(holder()->map());
   // Traverse the prototype chain and check the maps in the prototype chain for
   // fast and global objects or do negative lookup for normal objects.
   while (!current_map.is_identical_to(holder_map)) {
     ++depth;
 
     // Only global objects and objects that do not require access
@@ skipping 304 matching lines @@
   // Return the generated code.
   return GetCode(kind(), Code::NORMAL, name);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64