llvm-remove: Remove "using namespace" in header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@371563 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llvm-reduce/deltas/Delta.cpp

@@ -15,6 +15,8 @@
 #include "Delta.h"
 #include "llvm/ADT/STLExtras.h"
 
+using namespace llvm;
+
 /// Writes IR code to the given Filepath
 static bool writeProgramToFile(StringRef Filepath, int FD, const Module &M) {
   ToolOutputFile Out(Filepath, FD);
@@ -165,4 +167,4 @@ void llvm::runDeltaPass(
   if (ReducedProgram)
     Test.setProgram(std::move(ReducedProgram));
   errs() << "Couldn't increase anymore.\n";
-}
+}

tools/llvm-reduce/deltas/Delta.h

@@ -26,7 +26,7 @@
 #include <set>
 #include <vector>
 
-using namespace llvm;
+namespace llvm {
 
 struct Chunk {
   unsigned begin;
@@ -53,8 +53,6 @@ struct Chunk {
   }
 };
 
-namespace llvm {
-
 /// This function implements the Delta Debugging algorithm, it receives a
 /// number of Targets (e.g. Functions, Instructions, Basic Blocks, etc.) and
 /// splits them in half; these chunks of targets are then tested while ignoring

tools/llvm-reduce/deltas/ReduceFunctions.cpp

@@ -13,6 +13,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "ReduceFunctions.h"
+#include "Delta.h"
+
+using namespace llvm;
 
 /// Removes all the Defined Functions (as well as their calls)
 /// that aren't inside any of the desired Chunks.
@@ -69,4 +72,4 @@ void llvm::reduceFunctionsDeltaPass(TestRunner &Test) {
   unsigned Functions = countFunctions(Test.getProgram());
   runDeltaPass(Test, Functions, extractFunctionsFromModule);
   errs() << "----------------------------\n";
-}
+}

tools/llvm-reduce/deltas/ReduceGlobalVars.cpp

@@ -13,6 +13,8 @@
 
 #include "ReduceGlobalVars.h"
 
+using namespace llvm;
+
 /// Removes all the Initialized GVs that aren't inside the desired Chunks.
 static void extractGVsFromModule(std::vector<Chunk> ChunksToKeep,
                                  Module *Program) {