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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index fa175109e9f..140bad27f5e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -526,7 +526,8 @@ void SelectionDAGISel::SelectBasicBlock(BasicBlock *LLVMBB,
// with correct tailcall attribute so that the target can rely on the tailcall
// attribute indicating whether the call is really eligible for tail call
// optimization.
- CheckDAGForTailCallsAndFixThem(*CurDAG, TLI);
+ if (PerformTailCallOpt)
+ CheckDAGForTailCallsAndFixThem(*CurDAG, TLI);
// Final step, emit the lowered DAG as machine code.
CodeGenAndEmitDAG();
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