1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index caebb953439..df88a879db7 100644
--- a/llvm/lib/CodeGen/MachineScheduler.cpp
+++ b/llvm/lib/CodeGen/MachineScheduler.cpp
@@ -238,6 +238,7 @@ void PostMachineScheduler::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesCFG();
   AU.addRequired<MachineDominatorTree>();
   AU.addRequired<MachineLoopInfo>();
+  AU.addRequired<AAResultsWrapperPass>();
   AU.addRequired<TargetPassConfig>();
   MachineFunctionPass::getAnalysisUsage(AU);
 }
@@ -412,6 +413,7 @@ bool PostMachineScheduler::runOnMachineFunction(MachineFunction &mf) {
   MF = &mf;
   MLI = &getAnalysis<MachineLoopInfo>();
   PassConfig = &getAnalysis<TargetPassConfig>();
+  AA = &getAnalysis<AAResultsWrapperPass>().getAAResults();
 
   if (VerifyScheduling)
     MF->verify(this, "Before post machine scheduling.");