[llvm-commits] [llvm] r135367 - /llvm/trunk/include/llvm/ADT/TinyPtrVector.h

[Chris Lattner]

Author: lattner
Date: Sun Jul 17 20:53:11 2011
New Revision: 135367

URL: http://llvm.org/viewvc/llvm-project?rev=135367&view=rev
Log:
add iteration support to TinyPtrVector for clang's use.

Modified:
    llvm/trunk/include/llvm/ADT/TinyPtrVector.h

Modified: llvm/trunk/include/llvm/ADT/TinyPtrVector.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/TinyPtrVector.h?rev=135367&r1=135366&r2=135367&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/TinyPtrVector.h (original)
+++ llvm/trunk/include/llvm/ADT/TinyPtrVector.h Sun Jul 17 20:53:11 2011
@@ -58,6 +58,28 @@
     return Val. template get<VecTy*>()->size();
   }
   
+  typedef const EltTy *iterator;
+  iterator begin() const {
+    if (empty())
+      return 0;
+    
+    if (Val.template is<EltTy>())
+      return Val.template getAddrOf<EltTy>();
+    
+    return Val.template get<VecTy *>()->begin();
+
+  }
+  iterator end() const {
+    if (empty())
+      return 0;
+    
+    if (Val.template is<EltTy>())
+      return begin() + 1;
+    
+    return Val.template get<VecTy *>()->end();
+  }
+
+  
   EltTy operator[](unsigned i) const {
     assert(!Val.isNull() && "can't index into an empty vector");
     if (EltTy V = Val.template dyn_cast<EltTy>()) {