Put all LLVM code into the llvm namespace, as per bug 109.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8

tools/bugpoint/ExecutionDriver.cpp

@@ -30,6 +30,8 @@ BUGPOINT NOTES:
 #include <fstream>
 #include <iostream>
 
+using namespace llvm;
+
 namespace {
   // OutputType - Allow the user to specify the way code should be run, to test
   // for miscompilation.
@@ -58,6 +60,8 @@ namespace {
                          "into executing programs"));
 }
 
+namespace llvm {
+
 // Anything specified after the --args option are taken as arguments to the
 // program being debugged.
 cl::list<std::string>
@@ -232,3 +236,5 @@ bool BugDriver::diffProgram(const std::string &BytecodeFile,
 bool BugDriver::isExecutingJIT() {
   return InterpreterSel == RunJIT;
 }
+
+} // End llvm namespace