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-rw-r--r--llvm/lib/CodeGen/MIRPrinter.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MIRPrinter.cpp b/llvm/lib/CodeGen/MIRPrinter.cpp
index 6347e6d..db9ccef8 100644
--- a/llvm/lib/CodeGen/MIRPrinter.cpp
+++ b/llvm/lib/CodeGen/MIRPrinter.cpp
@@ -598,7 +598,8 @@ void MIPrinter::print(const MachineBasicBlock &MBB) {
bool HasLineAttributes = false;
// Print the successors
bool canPredictProbs = canPredictBranchProbabilities(MBB);
- if (!SimplifyMIR || !canPredictProbs || !canPredictSuccessors(MBB)) {
+ if (!MBB.succ_empty() && (!SimplifyMIR || !canPredictProbs ||
+ !canPredictSuccessors(MBB))) {
OS.indent(2) << "successors: ";
for (auto I = MBB.succ_begin(), E = MBB.succ_end(); I != E; ++I) {
if (I != MBB.succ_begin())