[turbofan] Initial support for inline allocations of arrays.

src/compiler/js-typed-lowering.h

Index: src/compiler/js-typed-lowering.h
diff --git a/src/compiler/js-typed-lowering.h b/src/compiler/js-typed-lowering.h
index 8664f3cb80384d0e2b90bd4239fc08d815cc4d82..46a2f58b470a400cf1b3c3a341041fe796349deb 100644
--- a/src/compiler/js-typed-lowering.h
+++ b/src/compiler/js-typed-lowering.h
@@ -15,6 +15,7 @@ namespace internal {
 // Forward declarations.
 class CompilationDependencies;
 class Factory;
+class TypeCache;
 
 
 namespace compiler {
@@ -86,12 +87,17 @@ class JSTypedLowering final : public AdvancedReducer {
   Reduction ReduceInt32Binop(Node* node, const Operator* intOp);
   Reduction ReduceUI32Shift(Node* node, Signedness left_signedness,
                             const Operator* shift_op);
+  Reduction ReduceNewArray(Node* node, Node* length, int capacity,
+                           Handle<AllocationSite> site);
 
   Node* Word32Shl(Node* const lhs, int32_t const rhs);
   Node* AllocateArguments(Node* effect, Node* control, Node* frame_state);
   Node* AllocateAliasedArguments(Node* effect, Node* control, Node* frame_state,
                                  Node* context, Handle<SharedFunctionInfo>,
                                  bool* has_aliased_arguments);
+  Node* AllocateElements(Node* effect, Node* control,
+                         ElementsKind elements_kind, int capacity,
+                         PretenureFlag pretenure);
 
   Factory* factory() const;
   Graph* graph() const;
@@ -112,6 +118,7 @@ class JSTypedLowering final : public AdvancedReducer {
   Flags flags_;
   JSGraph* jsgraph_;
   Type* shifted_int32_ranges_[4];
+  TypeCache const& type_cache_;
 };
 
 DEFINE_OPERATORS_FOR_FLAGS(JSTypedLowering::Flags)