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-rw-r--r--llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp
index 7eac7ce163f..a3a52aa907f 100644
--- a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp
+++ b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp
@@ -142,7 +142,7 @@ void AggressiveAntiDepBreaker::StartBlock(MachineBasicBlock *BB) {
assert(!State);
State = new AggressiveAntiDepState(TRI->getNumRegs(), BB);
- bool IsReturnBlock = (!BB->empty() && BB->back().isReturn());
+ bool IsReturnBlock = BB->isReturnBlock();
std::vector<unsigned> &KillIndices = State->GetKillIndices();
std::vector<unsigned> &DefIndices = State->GetDefIndices();
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