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-rw-r--r--llvm/lib/CodeGen/BranchFolding.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index fd0936a..fd3f465 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -1403,7 +1403,7 @@ ReoptimizeBlock:
LLVM_DEBUG(dbgs() << "\nMerging into block: " << PrevBB
<< "From MBB: " << *MBB);
// Remove redundant DBG_VALUEs first.
- if (PrevBB.begin() != PrevBB.end()) {
+ if (!PrevBB.empty()) {
MachineBasicBlock::iterator PrevBBIter = PrevBB.end();
--PrevBBIter;
MachineBasicBlock::iterator MBBIter = MBB->begin();