[cfe-commits] r152165 - /cfe/trunk/lib/AST/Decl.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Tue Mar  6 17:52:37 2012
New Revision: 152165

URL: http://llvm.org/viewvc/llvm-project?rev=152165&view=rev
Log:
[AST] FunctionDecl::getBuiltinID() - Eliminate spurious calls to getASTContext
-- which is very much not free -- in the common case.

Modified:
    cfe/trunk/lib/AST/Decl.cpp

Modified: cfe/trunk/lib/AST/Decl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Decl.cpp?rev=152165&r1=152164&r2=152165&view=diff
==============================================================================
--- cfe/trunk/lib/AST/Decl.cpp (original)
+++ cfe/trunk/lib/AST/Decl.cpp Tue Mar  6 17:52:37 2012
@@ -1796,11 +1796,14 @@
 /// value of type \c Builtin::ID if in the target-independent range
 /// \c [1,Builtin::First), or a target-specific builtin value.
 unsigned FunctionDecl::getBuiltinID() const {
-  ASTContext &Context = getASTContext();
-  if (!getIdentifier() || !getIdentifier()->getBuiltinID())
+  if (!getIdentifier())
     return 0;
 
   unsigned BuiltinID = getIdentifier()->getBuiltinID();
+  if (!BuiltinID)
+    return 0;
+
+  ASTContext &Context = getASTContext();
   if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID))
     return BuiltinID;