remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports
them into the clang namespace.

llvm-svn: 135852
diff --git a/clang/lib/Analysis/ReachableCode.cpp b/clang/lib/Analysis/ReachableCode.cpp
index c5b17fc..12dfac5 100644
--- a/clang/lib/Analysis/ReachableCode.cpp
+++ b/clang/lib/Analysis/ReachableCode.cpp
@@ -125,7 +125,7 @@
                                   SourceManager &SM) {
 
   // Prep work worklist.
-  llvm::SmallVector<const CFGBlock*, 32> WL;
+  SmallVector<const CFGBlock*, 32> WL;
   WL.push_back(Start);
 
   SourceRange R1, R2;
@@ -197,7 +197,7 @@
 unsigned ScanReachableFromBlock(const CFGBlock &Start,
                                 llvm::BitVector &Reachable) {
   unsigned count = 0;
-  llvm::SmallVector<const CFGBlock*, 32> WL;
+  SmallVector<const CFGBlock*, 32> WL;
 
   // Prep work queue
   Reachable.set(Start.getBlockID());
@@ -242,7 +242,7 @@
 
   SourceRange R1, R2;
 
-  llvm::SmallVector<ErrLoc, 24> lines;
+  SmallVector<ErrLoc, 24> lines;
   bool AddEHEdges = AC.getAddEHEdges();
 
   // First, give warnings for blocks with no predecessors, as they
@@ -287,7 +287,7 @@
 
   llvm::array_pod_sort(lines.begin(), lines.end(), LineCmp);
 
-  for (llvm::SmallVectorImpl<ErrLoc>::iterator I=lines.begin(), E=lines.end();
+  for (SmallVectorImpl<ErrLoc>::iterator I=lines.begin(), E=lines.end();
        I != E; ++I)
     if (I->Loc.isValid())
       CB.HandleUnreachable(I->Loc, I->R1, I->R2);