From: Bill Wendling <isanbard@gmail.com>
Date: Fri, 4 Jan 2008 08:48:49 +0000 (+0000)
Subject: Add that this preserves some analyses.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d5da7048c297deb6137ad10cac217c5d9d702065;p=oota-llvm.git

Add that this preserves some analyses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45573 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp
index e6b9c76e9cd..94e10611226 100644
--- a/lib/CodeGen/MachineLICM.cpp
+++ b/lib/CodeGen/MachineLICM.cpp
@@ -53,10 +53,12 @@ namespace {
     /// FIXME: Loop preheaders?
     ///
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      MachineFunctionPass::getAnalysisUsage(AU);
       AU.setPreservesCFG();
       AU.addRequired<MachineLoopInfo>();
       AU.addRequired<MachineDominatorTree>();
+      AU.addPreserved<MachineLoopInfo>();
+      AU.addPreserved<MachineDominatorTree>();
+      MachineFunctionPass::getAnalysisUsage(AU);
     }
   private:
     /// VisitAllLoops - Visit all of the loops in depth first order and try to