diff options
Diffstat (limited to 'gnu/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp')
| -rw-r--r-- | gnu/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/gnu/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/gnu/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp deleted file mode 100644 index 3b19bff4743..00000000000 --- a/gnu/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp +++ /dev/null @@ -1,305 +0,0 @@ -//===-- SelectionDAGPrinter.cpp - Implement SelectionDAG::viewGraph() -----===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This implements the SelectionDAG::viewGraph method. -// -//===----------------------------------------------------------------------===// - -#include "ScheduleDAGSDNodes.h" -#include "llvm/ADT/DenseSet.h" -#include "llvm/ADT/StringExtras.h" -#include "llvm/CodeGen/MachineConstantPool.h" -#include "llvm/CodeGen/MachineFunction.h" -#include "llvm/CodeGen/SelectionDAG.h" -#include "llvm/CodeGen/TargetRegisterInfo.h" -#include "llvm/IR/Constants.h" -#include "llvm/Support/Debug.h" -#include "llvm/Support/GraphWriter.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/Target/TargetMachine.h" -using namespace llvm; - -#define DEBUG_TYPE "dag-printer" - -namespace llvm { - template<> - struct DOTGraphTraits<SelectionDAG*> : public DefaultDOTGraphTraits { - - explicit DOTGraphTraits(bool isSimple=false) : - DefaultDOTGraphTraits(isSimple) {} - - static bool hasEdgeDestLabels() { - return true; - } - - static unsigned numEdgeDestLabels(const void *Node) { - return ((const SDNode *) Node)->getNumValues(); - } - - static std::string getEdgeDestLabel(const void *Node, unsigned i) { - return ((const SDNode *) Node)->getValueType(i).getEVTString(); - } - - template<typename EdgeIter> - static std::string getEdgeSourceLabel(const void *Node, EdgeIter I) { - return itostr(I - SDNodeIterator::begin((const SDNode *) Node)); - } - - /// edgeTargetsEdgeSource - This method returns true if this outgoing edge - /// should actually target another edge source, not a node. If this method - /// is implemented, getEdgeTarget should be implemented. - template<typename EdgeIter> - static bool edgeTargetsEdgeSource(const void *Node, EdgeIter I) { - return true; - } - - /// getEdgeTarget - If edgeTargetsEdgeSource returns true, this method is - /// called to determine which outgoing edge of Node is the target of this - /// edge. - template<typename EdgeIter> - static EdgeIter getEdgeTarget(const void *Node, EdgeIter I) { - SDNode *TargetNode = *I; - SDNodeIterator NI = SDNodeIterator::begin(TargetNode); - std::advance(NI, I.getNode()->getOperand(I.getOperand()).getResNo()); - return NI; - } - - static std::string getGraphName(const SelectionDAG *G) { - return G->getMachineFunction().getName(); - } - - static bool renderGraphFromBottomUp() { - return true; - } - - static std::string getNodeIdentifierLabel(const SDNode *Node, - const SelectionDAG *Graph) { - std::string R; - raw_string_ostream OS(R); -#ifndef NDEBUG - OS << 't' << Node->PersistentId; -#else - OS << static_cast<const void *>(Node); -#endif - return R; - } - - /// If you want to override the dot attributes printed for a particular - /// edge, override this method. - template<typename EdgeIter> - static std::string getEdgeAttributes(const void *Node, EdgeIter EI, - const SelectionDAG *Graph) { - SDValue Op = EI.getNode()->getOperand(EI.getOperand()); - EVT VT = Op.getValueType(); - if (VT == MVT::Glue) - return "color=red,style=bold"; - else if (VT == MVT::Other) - return "color=blue,style=dashed"; - return ""; - } - - - static std::string getSimpleNodeLabel(const SDNode *Node, - const SelectionDAG *G) { - std::string Result = Node->getOperationName(G); - { - raw_string_ostream OS(Result); - Node->print_details(OS, G); - } - return Result; - } - std::string getNodeLabel(const SDNode *Node, const SelectionDAG *Graph); - static std::string getNodeAttributes(const SDNode *N, - const SelectionDAG *Graph) { -#ifndef NDEBUG - const std::string &Attrs = Graph->getGraphAttrs(N); - if (!Attrs.empty()) { - if (Attrs.find("shape=") == std::string::npos) - return std::string("shape=Mrecord,") + Attrs; - else - return Attrs; - } -#endif - return "shape=Mrecord"; - } - - static void addCustomGraphFeatures(SelectionDAG *G, - GraphWriter<SelectionDAG*> &GW) { - GW.emitSimpleNode(nullptr, "plaintext=circle", "GraphRoot"); - if (G->getRoot().getNode()) - GW.emitEdge(nullptr, -1, G->getRoot().getNode(), G->getRoot().getResNo(), - "color=blue,style=dashed"); - } - }; -} - -std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node, - const SelectionDAG *G) { - return DOTGraphTraits<SelectionDAG*>::getSimpleNodeLabel(Node, G); -} - - -/// viewGraph - Pop up a ghostview window with the reachable parts of the DAG -/// rendered using 'dot'. -/// -void SelectionDAG::viewGraph(const std::string &Title) { -// This code is only for debugging! -#ifndef NDEBUG - ViewGraph(this, "dag." + getMachineFunction().getName(), - false, Title); -#else - errs() << "SelectionDAG::viewGraph is only available in debug builds on " - << "systems with Graphviz or gv!\n"; -#endif // NDEBUG -} - -// This overload is defined out-of-line here instead of just using a -// default parameter because this is easiest for gdb to call. -void SelectionDAG::viewGraph() { - viewGraph(""); -} - -/// clearGraphAttrs - Clear all previously defined node graph attributes. -/// Intended to be used from a debugging tool (eg. gdb). -void SelectionDAG::clearGraphAttrs() { -#ifndef NDEBUG - NodeGraphAttrs.clear(); -#else - errs() << "SelectionDAG::clearGraphAttrs is only available in debug builds" - << " on systems with Graphviz or gv!\n"; -#endif -} - - -/// setGraphAttrs - Set graph attributes for a node. (eg. "color=red".) -/// -void SelectionDAG::setGraphAttrs(const SDNode *N, const char *Attrs) { -#ifndef NDEBUG - NodeGraphAttrs[N] = Attrs; -#else - errs() << "SelectionDAG::setGraphAttrs is only available in debug builds" - << " on systems with Graphviz or gv!\n"; -#endif -} - - -/// getGraphAttrs - Get graph attributes for a node. (eg. "color=red".) -/// Used from getNodeAttributes. -const std::string SelectionDAG::getGraphAttrs(const SDNode *N) const { -#ifndef NDEBUG - std::map<const SDNode *, std::string>::const_iterator I = - NodeGraphAttrs.find(N); - - if (I != NodeGraphAttrs.end()) - return I->second; - else - return ""; -#else - errs() << "SelectionDAG::getGraphAttrs is only available in debug builds" - << " on systems with Graphviz or gv!\n"; - return std::string(); -#endif -} - -/// setGraphColor - Convenience for setting node color attribute. -/// -void SelectionDAG::setGraphColor(const SDNode *N, const char *Color) { -#ifndef NDEBUG - NodeGraphAttrs[N] = std::string("color=") + Color; -#else - errs() << "SelectionDAG::setGraphColor is only available in debug builds" - << " on systems with Graphviz or gv!\n"; -#endif -} - -/// setSubgraphColorHelper - Implement setSubgraphColor. Return -/// whether we truncated the search. -/// -bool SelectionDAG::setSubgraphColorHelper(SDNode *N, const char *Color, DenseSet<SDNode *> &visited, - int level, bool &printed) { - bool hit_limit = false; - -#ifndef NDEBUG - if (level >= 20) { - if (!printed) { - printed = true; - LLVM_DEBUG(dbgs() << "setSubgraphColor hit max level\n"); - } - return true; - } - - unsigned oldSize = visited.size(); - visited.insert(N); - if (visited.size() != oldSize) { - setGraphColor(N, Color); - for(SDNodeIterator i = SDNodeIterator::begin(N), iend = SDNodeIterator::end(N); - i != iend; - ++i) { - hit_limit = setSubgraphColorHelper(*i, Color, visited, level+1, printed) || hit_limit; - } - } -#else - errs() << "SelectionDAG::setSubgraphColor is only available in debug builds" - << " on systems with Graphviz or gv!\n"; -#endif - return hit_limit; -} - -/// setSubgraphColor - Convenience for setting subgraph color attribute. -/// -void SelectionDAG::setSubgraphColor(SDNode *N, const char *Color) { -#ifndef NDEBUG - DenseSet<SDNode *> visited; - bool printed = false; - if (setSubgraphColorHelper(N, Color, visited, 0, printed)) { - // Visually mark that we hit the limit - if (strcmp(Color, "red") == 0) { - setSubgraphColorHelper(N, "blue", visited, 0, printed); - } else if (strcmp(Color, "yellow") == 0) { - setSubgraphColorHelper(N, "green", visited, 0, printed); - } - } - -#else - errs() << "SelectionDAG::setSubgraphColor is only available in debug builds" - << " on systems with Graphviz or gv!\n"; -#endif -} - -std::string ScheduleDAGSDNodes::getGraphNodeLabel(const SUnit *SU) const { - std::string s; - raw_string_ostream O(s); - O << "SU(" << SU->NodeNum << "): "; - if (SU->getNode()) { - SmallVector<SDNode *, 4> GluedNodes; - for (SDNode *N = SU->getNode(); N; N = N->getGluedNode()) - GluedNodes.push_back(N); - while (!GluedNodes.empty()) { - O << DOTGraphTraits<SelectionDAG*> - ::getSimpleNodeLabel(GluedNodes.back(), DAG); - GluedNodes.pop_back(); - if (!GluedNodes.empty()) - O << "\n "; - } - } else { - O << "CROSS RC COPY"; - } - return O.str(); -} - -void ScheduleDAGSDNodes::getCustomGraphFeatures(GraphWriter<ScheduleDAG*> &GW) const { - if (DAG) { - // Draw a special "GraphRoot" node to indicate the root of the graph. - GW.emitSimpleNode(nullptr, "plaintext=circle", "GraphRoot"); - const SDNode *N = DAG->getRoot().getNode(); - if (N && N->getNodeId() != -1) - GW.emitEdge(nullptr, -1, &SUnits[N->getNodeId()], -1, - "color=blue,style=dashed"); - } -} |
