diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 10 |
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]; |

