Relax inlining limits for simple leaf functions.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 948ea342bce660e12c8e14067b4b305188317560..e942a7eaed24442643b0887936c698a17bcdc002 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -752,9 +752,20 @@ class HGraphBuilder: public AstVisitor {
   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; }