Add passes for applying SFI sandboxing at the LLVM IR level

tools/opt/opt.cpp

 //===- opt.cpp - The LLVM Modular Optimizer -------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // Optimizations may be specified an arbitrary number of times on the command
@@ skipping 608 matching lines @@
   initializeObjCARCOpts(Registry);
   initializeVectorization(Registry);
   initializeIPO(Registry);
   initializeAnalysis(Registry);
   initializeIPA(Registry);
   initializeTransformUtils(Registry);
   initializeInstCombine(Registry);
   initializeInstrumentation(Registry);
   initializeTarget(Registry);
   // @LOCALMOD-BEGIN
+  initializeExpandAllocasPass(Registry);
+  initializeAllocateDataSegmentPass(Registry);
+  initializeSandboxIndirectCallsPass(Registry);
+  initializeSandboxMemoryAccessesPass(Registry);
+  initializeStripTlsPass(Registry);
   initializeAddPNaClExternalDeclsPass(Registry);
   initializeCanonicalizeMemIntrinsicsPass(Registry);
   initializeCombineVectorInstructionsPass(Registry);
   initializeConstantInsertExtractElementIndexPass(Registry);
   initializeExpandArithWithOverflowPass(Registry);
   initializeExpandByValPass(Registry);
   initializeExpandConstantExprPass(Registry);
   initializeExpandCtorsPass(Registry);
   initializeExpandGetElementPtrPass(Registry);
   initializeExpandIndirectBrPass(Registry);
@@ skipping 309 matching lines @@
     }
   }
 // @LOCALMOD-END
 
   // Declare success.
   if (!NoOutput || PrintBreakpoints)
     Out->keep();
 
   return 0;
 }