1 files changed, 6 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/contrib/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
index e81bb77..3667952 100644
--- a/contrib/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
+++ b/contrib/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
@@ -726,6 +726,12 @@ void ARMInstPrinter::printPKHASRShiftImm(const MCInst *MI, unsigned OpNum,
 void ARMInstPrinter::printRegisterList(const MCInst *MI, unsigned OpNum,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O) {
+  assert(std::is_sorted(MI->begin() + OpNum, MI->end(),
+                        [&](const MCOperand &LHS, const MCOperand &RHS) {
+                          return MRI.getEncodingValue(LHS.getReg()) <
+                                 MRI.getEncodingValue(RHS.getReg());
+                        }));
+
   O << "{";
   for (unsigned i = OpNum, e = MI->getNumOperands(); i != e; ++i) {
     if (i != OpNum)