diff options
Diffstat (limited to 'llvm/lib/CodeGen/LiveDebugValues.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveDebugValues.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveDebugValues.cpp b/llvm/lib/CodeGen/LiveDebugValues.cpp index 2226c10..6acaf409 100644 --- a/llvm/lib/CodeGen/LiveDebugValues.cpp +++ b/llvm/lib/CodeGen/LiveDebugValues.cpp @@ -922,6 +922,12 @@ void LiveDebugValues::insertTransferDebugPair( void LiveDebugValues::transferRegisterDef( MachineInstr &MI, OpenRangesSet &OpenRanges, VarLocMap &VarLocIDs, TransferMap &Transfers) { + + // Meta Instructions do not affect the debug liveness of any register they + // define. + if (MI.isMetaInstruction()) + return; + MachineFunction *MF = MI.getMF(); const TargetLowering *TLI = MF->getSubtarget().getTargetLowering(); unsigned SP = TLI->getStackPointerRegisterToSaveRestore(); |