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Make flag and chain edges visually distinguishable from value edges in DOT

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output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31067 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-10-20 18:06:09 +00:00
parent 986cc38613
commit 34ab4d45d2
1 changed files with 16 additions and 1 deletions
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17
lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
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@ -41,6 +41,20 @@ namespace llvm {
const SelectionDAG *Graph) {
return true;
}
/// If you want to override the dot attributes printed for a particular
/// edge, override this method.
template<typename EdgeIter>
static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
SDOperand Op = EI.getNode()->getOperand(EI.getOperand());
MVT::ValueType VT = Op.getValueType();
if (VT == MVT::Flag)
return "color=red,style=bold";
else if (VT == MVT::Other)
return "style=dashed";
return "";
}
static std::string getNodeLabel(const SDNode *Node,
const SelectionDAG *Graph);
@ -114,7 +128,8 @@ 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 && R->getReg() != 0 && 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());