[cfe-commits] r152321 - in /cfe/trunk: include/clang/AST/Decl.h lib/AST/Decl.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Thu Mar  8 12:20:41 2012
New Revision: 152321

URL: http://llvm.org/viewvc/llvm-project?rev=152321&view=rev
Log:
[AST] Change NamedDecl::getUnderlyingDecl() to inline the fast (and incredibly 
common) path.

Modified:
    cfe/trunk/include/clang/AST/Decl.h
    cfe/trunk/lib/AST/Decl.cpp

Modified: cfe/trunk/include/clang/AST/Decl.h
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/Decl.h?rev=152321&r1=152320&r2=152321&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/Decl.h (original)
+++ cfe/trunk/include/clang/AST/Decl.h Thu Mar  8 12:20:41 2012
@@ -323,7 +323,13 @@
 
   /// \brief Looks through UsingDecls and ObjCCompatibleAliasDecls for
   /// the underlying named decl.
-  NamedDecl *getUnderlyingDecl();
+  NamedDecl *getUnderlyingDecl() {
+    if (!(this->getKind() == UsingShadow) &&
+        !(this->getKind() == ObjCCompatibleAlias))
+      return this;
+    return getUnderlyingDeclImpl();
+  }
+  NamedDecl *getUnderlyingDeclImpl();
   const NamedDecl *getUnderlyingDecl() const {
     return const_cast<NamedDecl*>(this)->getUnderlyingDecl();
   }

Modified: cfe/trunk/lib/AST/Decl.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Decl.cpp?rev=152321&r1=152320&r2=152321&view=diff
==============================================================================
--- cfe/trunk/lib/AST/Decl.cpp (original)
+++ cfe/trunk/lib/AST/Decl.cpp Thu Mar  8 12:20:41 2012
@@ -983,7 +983,7 @@
   return getLinkage() != NoLinkage;
 }
 
-NamedDecl *NamedDecl::getUnderlyingDecl() {
+NamedDecl *NamedDecl::getUnderlyingDeclImpl() {
   NamedDecl *ND = this;
   while (true) {
     if (UsingShadowDecl *UD = dyn_cast<UsingShadowDecl>(ND))


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