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| author | Bill Wendling <isanbard@gmail.com> | 2008-01-04 20:54:55 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2008-01-04 20:54:55 +0000 |
| commit | 67d65bb69d5cad957cbb6d672dc0b4a19c211a42 (patch) | |
| tree | 18e75f184bc456659e065bd81df678486e1f3c3d /lib/CodeGen/TwoAddressInstructionPass.cpp | |
| parent | b670a1737bae5c3ecc65042d3a1b10d774ecd252 (diff) | |
Don't recalculate the loop info and loop dominators analyses if they're
preserved.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45596 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index dd71bec7eb..8f0c473d48 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -69,6 +69,8 @@ const PassInfo *llvm::TwoAddressInstructionPassID = X.getPassInfo(); void TwoAddressInstructionPass::getAnalysisUsage(AnalysisUsage &AU) const { AU.addRequired<LiveVariables>(); AU.addPreserved<LiveVariables>(); + AU.addPreservedID(MachineLoopInfoID); + AU.addPreservedID(MachineDominatorsID); AU.addPreservedID(PHIEliminationID); MachineFunctionPass::getAnalysisUsage(AU); } |