The smallvector dtor should destroy the elements.

Implement pop_back.
Chage some code to use 'iterator' instead of T*.  This unbreaks operators=.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29380 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/SmallVector.h b/include/llvm/ADT/SmallVector.h
index e542f4cd2c66473eaecdfc921206221eb40e3f24..6f031a82e438060fe838ba0ed3960b54d6899dd2 100644 (file)
--- a/include/llvm/ADT/SmallVector.h
+++ b/include/llvm/ADT/SmallVector.h
@@ -66,6 +66,10 @@ public:
     std::uninitialized_copy(RHS.begin(), RHS.end(), Begin);
   }
   ~SmallVector() {
+    // Destroy the constructed elements in the vector.
+    for (iterator I = Begin, E = End; I != E; ++I)
+      I->~T();
+
     // If this wasn't grown from the inline copy, deallocate the old space.
     if ((void*)Begin != (void*)InlineElts)
       delete[] (char*)Begin;
@@ -115,6 +119,12 @@ public:
     goto Retry;
   }
   
+  void pop_back() {
+    assert(!empty() && "SmallVector is empty!");
+    --End;
+    End->~T();
+  }
+  
   /// append - Add the specified range to the end of the SmallVector.
   ///
   template<typename in_iter>
@@ -154,7 +164,7 @@ public:
     // This allows us to avoid copying them during the grow.
     if (Capacity-Begin < RHSSize) {
       // Destroy current elements.
-      for (T *I = Begin, E = End; I != E; ++I)
+      for (iterator I = Begin, E = End; I != E; ++I)
         I->~T();
       End = Begin;
       CurSize = 0;
@@ -192,7 +202,7 @@ private:
     std::uninitialized_copy(Begin, End, NewElts);
     
     // Destroy the original elements.
-    for (T *I = Begin, *E = End; I != E; ++I)
+    for (iterator I = Begin, E = End; I != E; ++I)
       I->~T();
     
     // If this wasn't grown from the inline copy, deallocate the old space.