diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index 470d6cbdb05..f863bb8197e 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -1889,6 +1889,14 @@ bool MachineInstr::addRegisterDead(unsigned Reg, return true; } +void MachineInstr::clearRegisterDeads(unsigned Reg) { + for (MachineOperand &MO : operands()) { + if (!MO.isReg() || !MO.isDef() || MO.getReg() != Reg) + continue; + MO.setIsDead(false); + } +} + void MachineInstr::addRegisterDefReadUndef(unsigned Reg) { for (MachineOperand &MO : operands()) { if (!MO.isReg() || !MO.isDef() || MO.getReg() != Reg || MO.getSubReg() == 0) |
