[llvm-commits] [llvm] r45573 - /llvm/trunk/lib/CodeGen/MachineLICM.cpp

[Bill Wendling]

Author: void
Date: Fri Jan  4 02:48:49 2008
New Revision: 45573

URL: http://llvm.org/viewvc/llvm-project?rev=45573&view=rev
Log:
Add that this preserves some analyses.

Modified:
    llvm/trunk/lib/CodeGen/MachineLICM.cpp

Modified: llvm/trunk/lib/CodeGen/MachineLICM.cpp
URL: 
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineLICM.cpp?rev=45573&r1=45572&r2=45573&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/MachineLICM.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineLICM.cpp Fri Jan  4 02:48:49 2008
@@ -53,10 +53,12 @@
     /// 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


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