diff options
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 228c0a9..2163bae 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -58,6 +58,8 @@ void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const { AU.addRequired<LiveVariables>(); AU.addPreservedID(MachineLoopInfoID); AU.addPreservedID(MachineDominatorsID); + AU.addPreservedID(PHIEliminationID); + AU.addRequiredID(PHIEliminationID); AU.addRequiredID(TwoAddressInstructionPassID); MachineFunctionPass::getAnalysisUsage(AU); } |