Use setPreservesAll and setPreservesCFG in CodeGen passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77754 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PostRASchedulerList.cpp b/lib/CodeGen/PostRASchedulerList.cpp
index b90a6dd..3cd8847 100644
--- a/lib/CodeGen/PostRASchedulerList.cpp
+++ b/lib/CodeGen/PostRASchedulerList.cpp
@@ -59,6 +59,7 @@
     PostRAScheduler() : MachineFunctionPass(&ID) {}
 
     void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
       AU.addRequired<MachineDominatorTree>();
       AU.addPreserved<MachineDominatorTree>();
       AU.addRequired<MachineLoopInfo>();