diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/MachineSink.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineSink.cpp b/llvm/lib/CodeGen/MachineSink.cpp index d52e6198d4e..1d2e85accbc 100644 --- a/llvm/lib/CodeGen/MachineSink.cpp +++ b/llvm/lib/CodeGen/MachineSink.cpp @@ -1037,8 +1037,11 @@ static void clearKillFlags(MachineInstr *MI, MachineBasicBlock &CurBB, static void updateLiveIn(MachineInstr *MI, MachineBasicBlock *SuccBB, SmallVectorImpl<unsigned> &UsedOpsInCopy, SmallVectorImpl<unsigned> &DefedRegsInCopy) { - for (auto DefReg : DefedRegsInCopy) - SuccBB->removeLiveIn(DefReg); + MachineFunction &MF = *SuccBB->getParent(); + const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo(); + for (unsigned DefReg : DefedRegsInCopy) + for (MCSubRegIterator S(DefReg, TRI, true); S.isValid(); ++S) + SuccBB->removeLiveIn(*S); for (auto U : UsedOpsInCopy) { unsigned Reg = MI->getOperand(U).getReg(); if (!SuccBB->isLiveIn(Reg)) |
