Add some new debugging APIs to print out "raw" SelectionDAGs to make
understanding CannotYTetSelect and other errors easier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index b8ac005..49b08bb 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -5893,47 +5893,43 @@
print_details(OS, G);
}
-void SDNode::printWithDepth(raw_ostream &OS, const SelectionDAG *G,
- unsigned depth, unsigned indent,
- bool limit) const {
- if (depth == 0) {
- if (limit)
- OS << "*** <max depth> - Cycle? ***\n";
+static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
+ const SelectionDAG *G, unsigned depth,
+ unsigned indent)
+{
+ if (depth == 0)
return;
+
+ OS.indent(indent);
+
+ N->print(OS, G);
+
+ if (depth < 1)
+ return;
+
+ for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
+ OS << '\n';
+ printrWithDepthHelper(OS, N->getOperand(i).getNode(), G, depth-1, indent+2);
}
-
- int myindent = indent;
-
- while (myindent--) {
- OS << ' ';
- }
-
- print(OS, G);
-
- if (depth > 1) {
- for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
- OS << '\n';
- getOperand(i).getNode()->printWithDepth(OS, G,
- depth > 0 ? depth-1 : depth,
- indent+2);
- }
- }
-}
-
-void SDNode::printWithFullDepth(raw_ostream &OS, const SelectionDAG *G,
- unsigned indent) const {
- // Don't print impossibly deep things.
- printWithDepth(OS, G, 100, indent, true);
-}
-
-void SDNode::dumpWithDepth(const SelectionDAG *G, unsigned depth,
- unsigned indent, bool limit) const {
- printWithDepth(dbgs(), G, depth, indent, limit);
}
-void SDNode::dumpWithFullDepth(const SelectionDAG *G, unsigned indent) const {
+void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
+ unsigned depth) const {
+ printrWithDepthHelper(OS, this, G, depth, 0);
+}
+
+void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
// Don't print impossibly deep things.
- dumpWithDepth(G, 100, indent, true);
+ printrWithDepth(OS, G, 100);
+}
+
+void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
+ printrWithDepth(dbgs(), G, depth);
+}
+
+void SDNode::dumprFull(const SelectionDAG *G) const {
+ // Don't print impossibly deep things.
+ dumprWithDepth(G, 100);
}
static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {