Add passes for applying SFI sandboxing at the LLVM IR level

tools/opt/opt.cpp

Index: tools/opt/opt.cpp
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index e215d4daec9ee7a1a612f3d7e5b4e3e4fcf8349c..9675bdaf712a06fd89373b042f2238b18eb2d6f8 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -626,6 +626,11 @@ int main(int argc, char **argv) {
   initializeInstrumentation(Registry);
   initializeTarget(Registry);
   // @LOCALMOD-BEGIN
+  initializeExpandAllocasPass(Registry);
+  initializeAllocateDataSegmentPass(Registry);
+  initializeSandboxIndirectCallsPass(Registry);
+  initializeSandboxMemoryAccessesPass(Registry);
+  initializeStripTlsPass(Registry);
   initializeAddPNaClExternalDeclsPass(Registry);
   initializeCanonicalizeMemIntrinsicsPass(Registry);
   initializeCombineVectorInstructionsPass(Registry);