PM: Port DCE to the new pass manager

Also add a very basic test, since apparently there aren't any tests
for DCE whatsoever to add the new pass version to.

llvm-svn: 267196

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/LTO/LTOCodeGenerator.cpp b/llvm/lib/LTO/LTOCodeGenerator.cpp
index 64d708ec2b0..12bc05c3701 100644
--- a/llvm/lib/LTO/LTOCodeGenerator.cpp
+++ b/llvm/lib/LTO/LTOCodeGenerator.cpp
@@ -117,7 +117,7 @@ void LTOCodeGenerator::initializeLTOPasses() {
   initializeMergedLoadStoreMotionPass(R);
   initializeGVNLegacyPassPass(R);
   initializeMemCpyOptPass(R);
-  initializeDCEPass(R);
+  initializeDCELegacyPassPass(R);
   initializeCFGSimplifyPassPass(R);
 }