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-rw-r--r--lib/CodeGen/TwoAddressInstructionPass.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index b8d38dc229..defd6ce6fb 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -70,6 +70,7 @@ void TwoAddressInstructionPass::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<LiveVariables>();
AU.addPreserved<LiveVariables>();
AU.addPreservedID(PHIEliminationID);
+ AU.addPreservedID(BreakCriticalMachineEdgesID);
MachineFunctionPass::getAnalysisUsage(AU);
}