Defer creating Handles for HConstants to the code generation phase.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index dd58cd2365f1daee41abb17724ff40d45b2d22fa..6317a54a2b400385c2c75ff3c59b6fac8ca36deb 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -360,24 +360,24 @@ XMMRegister LCodeGen::ToDoubleRegister(LOperand* op) const {
 
 
 int LCodeGen::ToInteger32(LConstantOperand* op) const {
-  Handle<Object> value = chunk_->LookupLiteral(op);
+  HConstant* constant = chunk_->LookupConstant(op);
   ASSERT(chunk_->LookupLiteralRepresentation(op).IsInteger32());
-  ASSERT(static_cast<double>(static_cast<int32_t>(value->Number())) ==
-      value->Number());
-  return static_cast<int32_t>(value->Number());
+  ASSERT(constant->HasInteger32Value());
+  return constant->Integer32Value();
 }
 
 
 Handle<Object> LCodeGen::ToHandle(LConstantOperand* op) const {
-  Handle<Object> literal = chunk_->LookupLiteral(op);
+  HConstant* constant = chunk_->LookupConstant(op);
   ASSERT(chunk_->LookupLiteralRepresentation(op).IsTagged());
-  return literal;
+  return constant->handle();
 }
 
 
 double LCodeGen::ToDouble(LConstantOperand* op) const {
-  Handle<Object> value = chunk_->LookupLiteral(op);
-  return value->Number();
+  HConstant* constant = chunk_->LookupConstant(op);
+  ASSERT(constant->HasDoubleValue());
+  return constant->DoubleValue();
 }
 
 
@@ -494,8 +494,8 @@ void LCodeGen::AddToTranslation(Translation* translation,
     XMMRegister reg = ToDoubleRegister(op);
     translation->StoreDoubleRegister(reg);
   } else if (op->IsConstantOperand()) {
-    Handle<Object> literal = chunk()->LookupLiteral(LConstantOperand::cast(op));
-    int src_index = DefineDeoptimizationLiteral(literal);
+    HConstant* constant = chunk()->LookupConstant(LConstantOperand::cast(op));
+    int src_index = DefineDeoptimizationLiteral(constant->handle());
     translation->StoreLiteral(src_index);
   } else {
     UNREACHABLE();
@@ -554,9 +554,9 @@ void LCodeGen::CallRuntimeFromDeferred(Runtime::FunctionId id,
   } else if (context->IsStackSlot()) {
     __ mov(esi, ToOperand(context));
   } else if (context->IsConstantOperand()) {
-    Handle<Object> literal =
-        chunk_->LookupLiteral(LConstantOperand::cast(context));
-    __ LoadHeapObject(esi, Handle<Context>::cast(literal));
+    HConstant* constant =
+        chunk_->LookupConstant(LConstantOperand::cast(context));
+    __ LoadHeapObject(esi, Handle<Context>::cast(constant->handle()));
   } else {
     UNREACHABLE();
   }