3 files changed, 4 insertions, 12 deletions
diff --git a/lib/Analysis/CFG.cpp b/lib/Analysis/CFG.cpp
index 050952fc44..9ebbb67849 100644
--- a/lib/Analysis/CFG.cpp
+++ b/lib/Analysis/CFG.cpp
@@ -168,8 +168,7 @@ static bool isPotentiallyReachableInner(SmallVectorImpl<BasicBlock *> &Worklist,
       // ignoring any other blocks inside the loop body.
       Outer->getExitBlocks(Worklist);
     } else {
-      for (succ_iterator I = succ_begin(BB), E = succ_end(BB); I != E; ++I)
-        Worklist.push_back(*I);
+      Worklist.append(succ_begin(BB), succ_end(BB));
     }
   } while (!Worklist.empty());
 
@@ -222,8 +221,7 @@ bool llvm::isPotentiallyReachable(const Instruction *A, const Instruction *B,
       return false;
 
     // Otherwise, continue doing the normal per-BB CFG walk.
-    for (succ_iterator I = succ_begin(BB), E = succ_end(BB); I != E; ++I)
-      Worklist.push_back(*I);
+    Worklist.append(succ_begin(BB), succ_end(BB));
 
     if (Worklist.empty()) {
       // We've proven that there's no path!
diff --git a/lib/Analysis/TargetTransformInfo.cpp b/lib/Analysis/TargetTransformInfo.cpp
index decb9aec4d..ac65437f0c 100644
--- a/lib/Analysis/TargetTransformInfo.cpp
+++ b/lib/Analysis/TargetTransformInfo.cpp
@@ -437,12 +437,7 @@ struct NoTTI LLVM_FINAL : ImmutablePass, TargetTransformInfo {
         return TopTTI->getCallCost(cast<FunctionType>(FTy), CS.arg_size());
       }
 
-      SmallVector<const Value *, 8> Arguments;
-      for (ImmutableCallSite::arg_iterator AI = CS.arg_begin(),
-                                           AE = CS.arg_end();
-           AI != AE; ++AI)
-        Arguments.push_back(*AI);
-
+      SmallVector<const Value *, 8> Arguments(CS.arg_begin(), CS.arg_end());
       return TopTTI->getCallCost(F, Arguments);
     }
 
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index 955ea1b7fe..3acf92b8e6 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -817,8 +817,7 @@ SpeculationFailure:
     // Mark as unavailable.
     EntryVal = 0;
 
-    for (succ_iterator I = succ_begin(Entry), E = succ_end(Entry); I != E; ++I)
-      BBWorklist.push_back(*I);
+    BBWorklist.append(succ_begin(Entry), succ_end(Entry));
   } while (!BBWorklist.empty());
 
   return false;