diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
| commit | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (patch) | |
| tree | 4adf86a776049cbf7f69a1929c4babcbbef925eb /llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp | |
| parent | 7cc9cf2bf09f069cb2dd947ead05d0b54301fb71 (diff) | |
Notes
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 |