diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp b/llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp index 7f9d6c618ad3..170fc8b6d49f 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp @@ -262,7 +262,9 @@ void llvm::calculateDbgEntityHistory(const MachineFunction *MF, DbgLabels.addInstr(L, MI); } - if (MI.isDebugInstr()) + // Meta Instructions have no output and do not change any values and so + // can be safely ignored. + if (MI.isMetaInstruction()) continue; // Not a DBG_VALUE instruction. It may clobber registers which describe |