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[LLVM] Add color to SDNode ID's when dumping #141295

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Merged
merged 1 commit into from
May 24, 2025
Merged

[LLVM] Add color to SDNode ID's when dumping #141295

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7 changes: 7 additions & 0 deletions llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -606,7 +606,14 @@ const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
static Printable PrintNodeId(const SDNode &Node) {
return Printable([&Node](raw_ostream &OS) {
#ifndef NDEBUG
static const raw_ostream::Colors Color[] = {
raw_ostream::BLACK, raw_ostream::RED, raw_ostream::GREEN,
raw_ostream::YELLOW, raw_ostream::BLUE, raw_ostream::MAGENTA,
raw_ostream::CYAN,
};
OS.changeColor(Color[Node.PersistentId % std::size(Color)]);
OS << 't' << Node.PersistentId;
OS.resetColor();
#else
OS << (const void*)&Node;
#endif
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2 changes: 2 additions & 0 deletions llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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Expand Up @@ -4415,6 +4415,8 @@ void SelectionDAGISel::CannotYetSelect(SDNode *N) {
raw_string_ostream Msg(msg);
Msg << "Cannot select: ";

Msg.enable_colors(errs().has_colors());

if (N->getOpcode() != ISD::INTRINSIC_W_CHAIN &&
N->getOpcode() != ISD::INTRINSIC_WO_CHAIN &&
N->getOpcode() != ISD::INTRINSIC_VOID) {
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