Relax inlining limits for simple leaf functions.

src/hydrogen.h

 // Copyright 2011 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 734 matching lines @@
 
   // Forward declarations for inner scope classes.
   class SubgraphScope;
 
   static const InlineFunctionGenerator kInlineFunctionGenerators[];
 
   static const int kMaxCallPolymorphism = 4;
   static const int kMaxLoadPolymorphism = 4;
   static const int kMaxStorePolymorphism = 4;
 
-  static const int kMaxInlinedNodes = 196;
-  static const int kMaxInlinedSize = 196;
-  static const int kMaxSourceSize = 600;
+
+  // Hard limits.
+  static const int kMaxSourceSize = 600;  // Per site.
+  static const int kMaxInlinedNodesHard = 270;  // Cumulative.
+  static const int kMaxInlinedSize = 196;   // Per site.
+
+  // Soft limits. After the soft limit is reached, we will inline only small
+  // "primitive" functions, where "primitive" is defined by syntactic criterion.
+  static const int kMaxInlinedNodesSoft = 196;  // Cumulative.
+  static const int kMaxInlinedPrimitiveSize = 40;  // Per site.
+  STATIC_ASSERT(kMaxInlinedSize < SharedFunctionInfo::kAstNodeCountMask);
+  STATIC_ASSERT(kMaxInlinedPrimitiveSize < kMaxInlinedSize);
+  STATIC_ASSERT(kMaxInlinedNodesSoft < kMaxInlinedNodesHard);
+
 
   // Simple accessors.
   void set_function_state(FunctionState* state) { function_state_ = state; }
 
   AstContext* ast_context() const { return ast_context_; }
   void set_ast_context(AstContext* context) { ast_context_ = context; }
 
   // Accessors forwarded to the function state.
   CompilationInfo* info() const {
     return function_state()->compilation_info();
@@ skipping 482 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_