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Teach the graph viewer to handle register operands that are zero.

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llvm-svn: 24421
This commit is contained in:
Chris Lattner 2005-11-19 06:58:46 +00:00
parent 3a1a1557e1
commit 72dc36da76
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
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@ -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());