diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 43e6b1bc8a4..254a6543ffd 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -3699,7 +3699,7 @@ SelectionDAGBuilder::EmitFuncArgumentDbgValue(const DbgValueInst &DI, unsigned Reg = 0; if (N.getOpcode() == ISD::CopyFromReg) { Reg = cast<RegisterSDNode>(N.getOperand(1))->getReg(); - if (TargetRegisterInfo::isVirtualRegister(Reg)) { + if (Reg && TargetRegisterInfo::isVirtualRegister(Reg)) { MachineRegisterInfo &RegInfo = MF.getRegInfo(); unsigned PR = RegInfo.getLiveInPhysReg(Reg); if (PR) diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index adb321d929c..88245de0130 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -222,6 +222,8 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) { for (unsigned i = 0, e = FuncInfo->ArgDbgValues.size(); i != e; ++i) { MachineInstr *MI = FuncInfo->ArgDbgValues[e-i-1]; unsigned Reg = MI->getOperand(0).getReg(); + if (!Reg) + continue; if (TargetRegisterInfo::isPhysicalRegister(Reg)) EntryMBB->insert(EntryMBB->begin(), MI); else { |
