Debug printing for SUnits that carry MachineInstrs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59279 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 8ff50c1..66ada59 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -446,17 +446,24 @@
const ScheduleDAG *G) {
std::string Op;
- 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();
+ 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->MI->print(oss);
+ Op += oss.str();
}
return Op;