diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/LiveRegUnits.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/LiveRegUnits.cpp b/llvm/lib/CodeGen/LiveRegUnits.cpp index 9f28db6287b..c2268138549 100644 --- a/llvm/lib/CodeGen/LiveRegUnits.cpp +++ b/llvm/lib/CodeGen/LiveRegUnits.cpp @@ -46,7 +46,7 @@ void LiveRegUnits::stepBackward(const MachineInstr &MI) { // Remove defined registers and regmask kills from the set. for (ConstMIBundleOperands O(MI); O.isValid(); ++O) { if (O->isReg()) { - if (!O->isDef()) + if (!O->isDef() || O->isDebug()) continue; unsigned Reg = O->getReg(); if (!TargetRegisterInfo::isPhysicalRegister(Reg)) @@ -58,7 +58,7 @@ void LiveRegUnits::stepBackward(const MachineInstr &MI) { // Add uses to the set. for (ConstMIBundleOperands O(MI); O.isValid(); ++O) { - if (!O->isReg() || !O->readsReg()) + if (!O->isReg() || !O->readsReg() || O->isDebug()) continue; unsigned Reg = O->getReg(); if (!TargetRegisterInfo::isPhysicalRegister(Reg)) |
