Remove Emscripten support

tools/bugpoint/bugpoint.cpp

 //===- bugpoint.cpp - The LLVM Bugpoint utility ---------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This program is an automated compiler debugger tool.  It is used to narrow
@@ skipping 168 matching lines @@
   initializeRewritePNaClLibraryCallsPass(Registry);
   initializeSandboxIndirectCallsPass(Registry);
   initializeSandboxMemoryAccessesPass(Registry);
   initializeSimplifyAllocasPass(Registry);
   initializeSimplifyStructRegSignaturesPass(Registry);
   initializeStripAttributesPass(Registry);
   initializeStripMetadataPass(Registry);
   initializeStripModuleFlagsPass(Registry);
   initializeStripTlsPass(Registry);
   initializeSubstituteUndefsPass(Registry);
-  // Emscripten passes:
-  initializeExpandI64Pass(Registry);
-  initializeExpandInsertExtractElementPass(Registry);
-  initializeLowerEmAsyncifyPass(Registry);
-  initializeLowerEmExceptionsPass(Registry);
-  initializeLowerEmSetjmpPass(Registry);
-  initializeNoExitRuntimePass(Registry);
-  initializeNoExitRuntimePass(Registry);
-  // Emscripten passes end.
   // @LOCALMOD-END
   
   cl::ParseCommandLineOptions(argc, argv,
                               "LLVM automatic testcase reducer. See\nhttp://"
                               "llvm.org/cmds/bugpoint.html"
                               " for more information.\n");
 #ifndef DEBUG_BUGPOINT
   sys::SetInterruptFunction(BugpointInterruptFunction);
 #endif
 
@@ skipping 55 matching lines @@
 #endif
 
   std::string Error;
   bool Failure = D.run(Error);
   if (!Error.empty()) {
     errs() << Error;
     return 1;
   }
   return Failure;
 }