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| author | Bill Wendling <isanbard@gmail.com> | 2008-01-04 08:48:49 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2008-01-04 08:48:49 +0000 |
| commit | d5da7048c297deb6137ad10cac217c5d9d702065 (patch) | |
| tree | 8fe4fdac86e6eab18e732473e0fa64eea5fcaca5 | |
| parent | cc8f603f531c906782e4966107ae29667eb6632c (diff) | |
| download | external_llvm-d5da7048c297deb6137ad10cac217c5d9d702065.tar.gz external_llvm-d5da7048c297deb6137ad10cac217c5d9d702065.tar.bz2 external_llvm-d5da7048c297deb6137ad10cac217c5d9d702065.zip | |
Add that this preserves some analyses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45573 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/MachineLICM.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp index e6b9c76e9c..94e1061122 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 |