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Move the code for printing a graph node label for an SUnit into

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a virtual method of SelectionDAG.

llvm-svn: 59667
This commit is contained in:
Dan Gohman 2008-11-19 22:09:45 +00:00
parent b5ce3ebed1
commit 32a8ee5c90
3 changed files with 25 additions and 24 deletions
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4
include/llvm/CodeGen/ScheduleDAG.h
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@ -396,6 +396,10 @@ namespace llvm {
/// ///
virtual void Schedule() = 0; virtual void Schedule() = 0;
/// getGraphpNodeLabel - Return a label for an SUnit node in a Graphviz or similar
/// graph visualization.
virtual std::string getGraphNodeLabel(const SUnit *SU) const;
private: private:
/// EmitSubregNode - Generate machine code for subreg nodes. /// EmitSubregNode - Generate machine code for subreg nodes.
/// ///

2
lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
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@ -468,7 +468,7 @@ void SUnit::print(raw_ostream &O, const ScheduleDAG *G) const {
FlaggedNodes.push_back(N); FlaggedNodes.push_back(N);
while (!FlaggedNodes.empty()) { while (!FlaggedNodes.empty()) {
O << " "; O << " ";
FlaggedNodes.back()->dump(G->DAG); FlaggedNodes.back()->print(O, G->DAG);
O << "\n"; O << "\n";
FlaggedNodes.pop_back(); FlaggedNodes.pop_back();
} }

43
lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
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@ -444,31 +444,28 @@ namespace llvm {
std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU, std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
const ScheduleDAG *G) { const ScheduleDAG *G) {
std::string Op; return G->getGraphNodeLabel(SU);
if (G->DAG) {
if (!SU->getNode())
Op = "<CROSS RC COPY>";
else {
SmallVector<SDNode *, 4> FlaggedNodes;
for (SDNode *N = SU->getNode(); N; N = N->getFlaggedNode())
FlaggedNodes.push_back(N);
while (!FlaggedNodes.empty()) {
Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(FlaggedNodes.back(),
G->DAG) + "\n";
FlaggedNodes.pop_back();
}
}
} else {
std::string s;
raw_string_ostream oss(s);
SU->getInstr()->print(oss);
Op += oss.str();
}
return Op;
} }
std::string ScheduleDAG::getGraphNodeLabel(const SUnit *SU) const {
std::string s;
raw_string_ostream O(s);
O << "SU(" << SU->NodeNum << "): ";
if (SU->getNode()) {
SmallVector<SDNode *, 4> FlaggedNodes;
for (SDNode *N = SU->getNode(); N; N = N->getFlaggedNode())
FlaggedNodes.push_back(N);
while (!FlaggedNodes.empty()) {
O << DOTGraphTraits<SelectionDAG*>::getNodeLabel(FlaggedNodes.back(), DAG);
FlaggedNodes.pop_back();
if (!FlaggedNodes.empty())
O << "\n ";
}
} else {
O << "CROSS RC COPY";
}
return O.str();
}
/// viewGraph - Pop up a ghostview window with the reachable parts of the DAG /// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
/// rendered using 'dot'. /// rendered using 'dot'.