PNaCl: Implement computed gotos (indirectbr) by expanding out to switches

tools/opt/opt.cpp

Index: tools/opt/opt.cpp
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index f13ba04229d0ca8348c4aeeaa0f476c4b55e18cb..3ece0e11327bb96e4e6d52d62fee96f0a25289cc 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -619,6 +619,7 @@ int main(int argc, char **argv) {
   initializeExpandConstantExprPass(Registry);
   initializeExpandCtorsPass(Registry);
   initializeExpandGetElementPtrPass(Registry);
+  initializeExpandIndirectBrPass(Registry);
   initializeExpandSmallArgumentsPass(Registry);
   initializeExpandStructRegsPass(Registry);
   initializeExpandTlsConstantExprPass(Registry);