diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp index 2c2bc21446..7353580933 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp @@ -82,7 +82,7 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node, Op += LBB->getName(); //Op += " " + (const void*)BBDN->getBasicBlock(); } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(Node)) { - if (G && MRegisterInfo::isPhysicalRegister(R->getReg())) { + if (G && R->getReg() != 0 && MRegisterInfo::isPhysicalRegister(R->getReg())) { Op = Op + " " + G->getTarget().getRegisterInfo()->getName(R->getReg()); } else { Op += " #" + utostr(R->getReg()); |