[llvm-commits] [llvm] r77753 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Dan Gohman]

Author: djg
Date: Fri Jul 31 18:36:22 2009
New Revision: 77753

URL: http://llvm.org/viewvc/llvm-project?rev=77753&view=rev
Log:
SelectionDAGISel does not "preserve all", since it makes lots of changes
to the MachineFunction.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=77753&r1=77752&r2=77753&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Fri Jul 31 18:36:22 2009
@@ -289,9 +289,11 @@
 
 void SelectionDAGISel::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addRequired<AliasAnalysis>();
+  AU.addPreserved<AliasAnalysis>();
   AU.addRequired<GCModuleInfo>();
+  AU.addPreserved<GCModuleInfo>();
   AU.addRequired<DwarfWriter>();
-  AU.setPreservesAll();
+  AU.addPreserved<DwarfWriter>();
   MachineFunctionPass::getAnalysisUsage(AU);
 }