Add an IR-to-IR test for dwarf EH preparation using opt

This tests the simple resume instruction elimination logic that we have
before making some changes to it.

llvm-svn: 229768

1 files changed, 1 insertions, 0 deletions

diff --git a/llvm/tools/opt/opt.cpp b/llvm/tools/opt/opt.cpp
index 59b63093b36..d9525259ed2 100644
--- a/llvm/tools/opt/opt.cpp
+++ b/llvm/tools/opt/opt.cpp
@@ -325,6 +325,7 @@ int main(int argc, char **argv) {
   initializeAtomicExpandPass(Registry);
   initializeRewriteSymbolsPass(Registry);
   initializeWinEHPreparePass(Registry);
+  initializeDwarfEHPreparePass(Registry);
 
 #ifdef LINK_POLLY_INTO_TOOLS
   polly::initializePollyPasses(Registry);