Rename NumberInfo to TypeInfo....

src/ia32/virtual-frame-ia32.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 144 matching lines @@
 
 void VirtualFrame::MakeMergable() {
   for (int i = 0; i < element_count(); i++) {
     FrameElement element = elements_[i];
 
     // All number type information is reset to unknown for a mergable frame
     // because of incoming back edges.
     if (element.is_constant() || element.is_copy()) {
       if (element.is_synced()) {
         // Just spill.
-        elements_[i] = FrameElement::MemoryElement(NumberInfo::Unknown());
+        elements_[i] = FrameElement::MemoryElement(TypeInfo::Unknown());
       } else {
         // Allocate to a register.
         FrameElement backing_element;  // Invalid if not a copy.
         if (element.is_copy()) {
           backing_element = elements_[element.index()];
         }
         Result fresh = cgen()->allocator()->Allocate();
         ASSERT(fresh.is_valid());  // A register was spilled if all were in use.
         elements_[i] =
             FrameElement::RegisterElement(fresh.reg(),
                                           FrameElement::NOT_SYNCED,
-                                          NumberInfo::Unknown());
+                                          TypeInfo::Unknown());
         Use(fresh.reg(), i);
 
         // Emit a move.
         if (element.is_constant()) {
           if (cgen()->IsUnsafeSmi(element.handle())) {
             cgen()->MoveUnsafeSmi(fresh.reg(), element.handle());
           } else {
             __ Set(fresh.reg(), Immediate(element.handle()));
           }
         } else {
@@ skipping 12 matching lines @@
           }
         }
       }
       // No need to set the copied flag --- there are no copies.
     } else {
       // Clear the copy flag of non-constant, non-copy elements.
       // They cannot be copied because copies are not allowed.
       // The copy flag is not relied on before the end of this loop,
       // including when registers are spilled.
       elements_[i].clear_copied();
-      elements_[i].set_number_info(NumberInfo::Unknown());
+      elements_[i].set_type_info(TypeInfo::Unknown());
     }
   }
 }
 
 
 void VirtualFrame::MergeTo(VirtualFrame* expected) {
   Comment cmnt(masm(), "[ Merge frame");
   // We should always be merging the code generator's current frame to an
   // expected frame.
   ASSERT(cgen()->frame() == this);
@@ skipping 369 matching lines @@
     backing_reg = original.reg();
     set_register_location(backing_reg, new_backing_index);
   }
   // Invalidate the element at index.
   elements_[index] = FrameElement::InvalidElement();
   // Set the new backing element.
   if (elements_[new_backing_index].is_synced()) {
     elements_[new_backing_index] =
         FrameElement::RegisterElement(backing_reg,
                                       FrameElement::SYNCED,
-                                      original.number_info());
+                                      original.type_info());
   } else {
     elements_[new_backing_index] =
         FrameElement::RegisterElement(backing_reg,
                                       FrameElement::NOT_SYNCED,
-                                      original.number_info());
+                                      original.type_info());
   }
   // Update the other copies.
   for (int i = new_backing_index + 1; i < element_count(); i++) {
     if (elements_[i].is_copy() && elements_[i].index() == index) {
       elements_[i].set_index(new_backing_index);
       elements_[new_backing_index].set_copied();
     }
   }
   return new_backing_index;
 }
@@ skipping 11 matching lines @@
 
   switch (original.type()) {
     case FrameElement::MEMORY: {
       // Emit code to load the original element's data into a register.
       // Push that register as a FrameElement on top of the frame.
       Result fresh = cgen()->allocator()->Allocate();
       ASSERT(fresh.is_valid());
       FrameElement new_element =
           FrameElement::RegisterElement(fresh.reg(),
                                         FrameElement::NOT_SYNCED,
-                                        original.number_info());
+                                        original.type_info());
       Use(fresh.reg(), element_count());
       elements_.Add(new_element);
       __ mov(fresh.reg(), Operand(ebp, fp_relative(index)));
       break;
     }
     case FrameElement::REGISTER:
       Use(original.reg(), element_count());
       // Fall through.
     case FrameElement::CONSTANT:
     case FrameElement::COPY:
@@ skipping 141 matching lines @@
     case FrameElement::REGISTER:  {
       Label done;
       // Emit code to load the original element's data into a register.
       // Push that register as a FrameElement on top of the frame.
       Result fresh = cgen()->allocator()->Allocate();
       ASSERT(fresh.is_valid());
       Register fresh_reg = fresh.reg();
       FrameElement new_element =
           FrameElement::RegisterElement(fresh_reg,
                                         FrameElement::NOT_SYNCED,
-                                        original.number_info());
+                                        original.type_info());
       new_element.set_untagged_int32(true);
       Use(fresh_reg, element_count());
       fresh.Unuse();  // BreakTarget does not handle a live Result well.
       elements_.Add(new_element);
       if (original.is_register()) {
         __ mov(fresh_reg, original.reg());
       } else {
         ASSERT(original.is_memory());
         __ mov(fresh_reg, Operand(ebp, fp_relative(index)));
       }
       // Now convert the value to int32, or bail out.
-      if (original.number_info().IsSmi()) {
+      if (original.type_info().IsSmi()) {
         __ SmiUntag(fresh_reg);
         // Pushing the element is completely done.
       } else {
         __ test(fresh_reg, Immediate(kSmiTagMask));
         Label not_smi;
         __ j(not_zero, &not_smi);
         __ SmiUntag(fresh_reg);
         __ jmp(&done);
 
         __ bind(&not_smi);
-        if (!original.number_info().IsNumber()) {
+        if (!original.type_info().IsNumber()) {
           __ cmp(FieldOperand(fresh_reg, HeapObject::kMapOffset),
                  Factory::heap_number_map());
           cgen()->unsafe_bailout_->Branch(not_equal);
         }
 
         if (!CpuFeatures::IsSupported(SSE2)) {
           UNREACHABLE();
         } else {
           CpuFeatures::Scope use_sse2(SSE2);
           __ movdbl(xmm0, FieldOperand(fresh_reg, HeapNumber::kValueOffset));
@@ skipping 306 matching lines @@
 }
 
 
 Result VirtualFrame::Pop() {
   FrameElement element = elements_.RemoveLast();
   int index = element_count();
   ASSERT(element.is_valid());
   ASSERT(element.is_untagged_int32() == cgen()->in_safe_int32_mode());
 
   // Get number type information of the result.
-  NumberInfo info;
+  TypeInfo info;
   if (!element.is_copy()) {
-    info = element.number_info();
+    info = element.type_info();
   } else {
-    info = elements_[element.index()].number_info();
+    info = elements_[element.index()].type_info();
   }
 
   bool pop_needed = (stack_pointer_ == index);
   if (pop_needed) {
     stack_pointer_--;
     if (element.is_memory()) {
       Result temp = cgen()->allocator()->Allocate();
       ASSERT(temp.is_valid());
       __ pop(temp.reg());
-      temp.set_number_info(info);
+      temp.set_type_info(info);
       temp.set_untagged_int32(element.is_untagged_int32());
       return temp;
     }
 
     __ add(Operand(esp), Immediate(kPointerSize));
   }
   ASSERT(!element.is_memory());
 
   // The top element is a register, constant, or a copy.  Unuse
   // registers and follow copies to their backing store.
@@ skipping 12 matching lines @@
     // Memory elements could only be the backing store of a copy.
     // Allocate the original to a register.
     ASSERT(index <= stack_pointer_);
     ASSERT(!element.is_untagged_int32());
     Result temp = cgen()->allocator()->Allocate();
     ASSERT(temp.is_valid());
     Use(temp.reg(), index);
     FrameElement new_element =
         FrameElement::RegisterElement(temp.reg(),
                                       FrameElement::SYNCED,
-                                      element.number_info());
+                                      element.type_info());
     // Preserve the copy flag on the element.
     if (element.is_copied()) new_element.set_copied();
     elements_[index] = new_element;
     __ mov(temp.reg(), Operand(ebp, fp_relative(index)));
     return Result(temp.reg(), info);
   } else if (element.is_register()) {
     Result return_value(element.reg(), info);
     return_value.set_untagged_int32(element.is_untagged_int32());
     return return_value;
   } else {
@@ skipping 14 matching lines @@
 
 
 void VirtualFrame::EmitPop(Operand operand) {
   ASSERT(stack_pointer_ == element_count() - 1);
   stack_pointer_--;
   elements_.RemoveLast();
   __ pop(operand);
 }
 
 
-void VirtualFrame::EmitPush(Register reg, NumberInfo info) {
+void VirtualFrame::EmitPush(Register reg, TypeInfo info) {
   ASSERT(stack_pointer_ == element_count() - 1);
   elements_.Add(FrameElement::MemoryElement(info));
   stack_pointer_++;
   __ push(reg);
 }
 
 
-void VirtualFrame::EmitPush(Operand operand, NumberInfo info) {
+void VirtualFrame::EmitPush(Operand operand, TypeInfo info) {
   ASSERT(stack_pointer_ == element_count() - 1);
   elements_.Add(FrameElement::MemoryElement(info));
   stack_pointer_++;
   __ push(operand);
 }
 
 
-void VirtualFrame::EmitPush(Immediate immediate, NumberInfo info) {
+void VirtualFrame::EmitPush(Immediate immediate, TypeInfo info) {
   ASSERT(stack_pointer_ == element_count() - 1);
   elements_.Add(FrameElement::MemoryElement(info));
   stack_pointer_++;
   __ push(immediate);
 }
 
 
 void VirtualFrame::PushUntaggedElement(Handle<Object> value) {
   elements_.Add(FrameElement::ConstantElement(value, FrameElement::NOT_SYNCED));
   elements_[element_count() - 1].set_untagged_int32(true);
@@ skipping 21 matching lines @@
       return;
     }
   }
   UNREACHABLE();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal