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-rw-r--r--llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 8bce12aaa4d..a7e1d566c04 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -938,6 +938,16 @@ void AsmPrinter::emitCFIInstruction(const MachineInstr &MI) {
if (needsCFIMoves() == CFI_M_None)
return;
+ // If there is no "real" instruction following this CFI instruction, skip
+ // emitting it; it would be beyond the end of the function's FDE range.
+ auto *MBB = MI.getParent();
+ auto I = std::next(MI.getIterator());
+ while (I != MBB->end() && I->isTransient())
+ ++I;
+ if (I == MBB->instr_end() &&
+ MBB->getReverseIterator() == MBB->getParent()->rbegin())
+ return;
+
const std::vector<MCCFIInstruction> &Instrs = MF->getFrameInstructions();
unsigned CFIIndex = MI.getOperand(0).getCFIIndex();
const MCCFIInstruction &CFI = Instrs[CFIIndex];
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