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Since I'm obliged to work with a development OS that currently doesn't

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support GraphViz, I've been using the foo->dump() facility.  This
patch is a minor rewrite to the SelectionDAG dump() stuff to make it a
little more helpful.  The existing foo->dump() functionality does not
change; this patch adds foo->dumpr().  All of this is only useful when
running LLVM under a debugger.

llvm-svn: 63736
This commit is contained in:
Stuart Hastings 2009-02-04 16:46:19 +00:00
parent 6b95b76bca
commit 9d89863489
2 changed files with 60 additions and 9 deletions
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4
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -1329,8 +1329,12 @@ public:
///
std::string getOperationName(const SelectionDAG *G = 0) const;
static const char* getIndexedModeName(ISD::MemIndexedMode AM);
void print_types(raw_ostream &OS, const SelectionDAG *G) const;
void print_details(raw_ostream &OS, const SelectionDAG *G) const;
void print(raw_ostream &OS, const SelectionDAG *G = 0) const;
void printr(raw_ostream &OS, const SelectionDAG *G = 0) const;
void dump() const;
void dumpr() const;
void dump(const SelectionDAG *G) const;
static bool classof(const SDNode *) { return true; }

65
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -5638,7 +5638,7 @@ void SDNode::dump(const SelectionDAG *G) const {
errs().flush();
}
void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
OS << (void*)this << ": ";
for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
@ -5649,15 +5649,9 @@ void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
OS << getValueType(i).getMVTString();
}
OS << " = " << getOperationName(G);
}
OS << " ";
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
if (i) OS << ", ";
OS << (void*)getOperand(i).getNode();
if (unsigned RN = getOperand(i).getResNo())
OS << ":" << RN;
}
void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
if (!isTargetOpcode() && getOpcode() == ISD::VECTOR_SHUFFLE) {
SDNode *Mask = getOperand(2).getNode();
OS << "<";
@ -5798,6 +5792,18 @@ void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
}
}
void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
print_types(OS, G);
OS << " ";
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
if (i) OS << ", ";
OS << (void*)getOperand(i).getNode();
if (unsigned RN = getOperand(i).getResNo())
OS << ":" << RN;
}
print_details(OS, G);
}
static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (N->getOperand(i).getNode()->hasOneUse())
@ -5826,6 +5832,47 @@ void SelectionDAG::dump() const {
cerr << "\n\n";
}
void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
print_types(OS, G);
print_details(OS, G);
}
typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet;
static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, const SelectionDAG *G, VisitedSDNodeSet &once) {
if (!once.insert(N)) // If we've been here before, return now.
return;
// Dump the current SDNode, but don't end the line yet.
OS << std::string(indent, ' ');
N->printr(OS, G);
// Having printed this SDNode, walk the children:
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
const SDNode *child = N->getOperand(i).getNode();
if (i) OS << ",";
OS << " ";
if (child->getNumOperands() == 0) {
// This child has no grandchildren; print it inline right here.
child->printr(OS, G);
once.insert(child);
} else { // Just the address. FIXME: also print the child's opcode
OS << (void*)child;
if (unsigned RN = N->getOperand(i).getResNo())
OS << ":" << RN;
}
}
OS << "\n";
// Dump children that have grandchildren on their own line(s).
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
const SDNode *child = N->getOperand(i).getNode();
DumpNodesr(OS, child, indent+2, G, once);
}
}
void SDNode::dumpr() const {
VisitedSDNodeSet once;
DumpNodesr(errs(), this, 0, 0, once);
errs().flush();
}
const Type *ConstantPoolSDNode::getType() const {
if (isMachineConstantPoolEntry())
return Val.MachineCPVal->getType();