//
//===----------------------------------------------------------------------===//
-#include "llvm/Constants.h"
-#include "llvm/Function.h"
-#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/CodeGen/ScheduleDAG.h"
+#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/MachineModuleInfo.h"
-#include "llvm/CodeGen/PseudoSourceValue.h"
-#include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/Target/TargetMachine.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DebugInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Config/config.h"
-#include <fstream>
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetRegisterInfo.h"
using namespace llvm;
namespace llvm {
template<>
struct DOTGraphTraits<SelectionDAG*> : public DefaultDOTGraphTraits {
+
+ explicit DOTGraphTraits(bool isSimple=false) :
+ DefaultDOTGraphTraits(isSimple) {}
+
static bool hasEdgeDestLabels() {
return true;
}
}
static std::string getEdgeDestLabel(const void *Node, unsigned i) {
- return ((const SDNode *) Node)->getValueType(i).getMVTString();
+ 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.
+ /// 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;
}
static std::string getGraphName(const SelectionDAG *G) {
- return G->getMachineFunction().getFunction()->getName();
+ return G->getMachineFunction().getName();
}
static bool renderGraphFromBottomUp() {
return true;
}
-
+
static bool hasNodeAddressLabel(const SDNode *Node,
const SelectionDAG *Graph) {
return true;
}
-
+
/// 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) {
+ static std::string getEdgeAttributes(const void *Node, EdgeIter EI,
+ const SelectionDAG *Graph) {
SDValue Op = EI.getNode()->getOperand(EI.getOperand());
- MVT VT = Op.getValueType();
- if (VT == MVT::Flag)
+ 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 getNodeLabel(const SDNode *Node,
- const SelectionDAG *Graph);
+
+ 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
std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
const SelectionDAG *G) {
- std::string Op = Node->getOperationName(G);
-
- if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(Node)) {
- Op += ": " + utostr(CSDN->getZExtValue());
- } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(Node)) {
- Op += ": " + ftostr(CSDN->getValueAPF());
- } else if (const GlobalAddressSDNode *GADN =
- dyn_cast<GlobalAddressSDNode>(Node)) {
- Op += ": " + GADN->getGlobal()->getName();
- if (int64_t Offset = GADN->getOffset()) {
- if (Offset > 0)
- Op += "+" + itostr(Offset);
- else
- Op += itostr(Offset);
- }
- } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(Node)) {
- Op += " " + itostr(FIDN->getIndex());
- } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(Node)) {
- Op += " " + itostr(JTDN->getIndex());
- } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(Node)){
- if (CP->isMachineConstantPoolEntry()) {
- Op += '<';
- {
- raw_string_ostream OSS(Op);
- OSS << *CP->getMachineCPVal();
- }
- Op += '>';
- } else {
- if (ConstantFP *CFP = dyn_cast<ConstantFP>(CP->getConstVal()))
- Op += "<" + ftostr(CFP->getValueAPF()) + ">";
- else if (ConstantInt *CI = dyn_cast<ConstantInt>(CP->getConstVal()))
- Op += "<" + utostr(CI->getZExtValue()) + ">";
- else {
- Op += '<';
- {
- raw_string_ostream OSS(Op);
- WriteAsOperand(OSS, CP->getConstVal(), false);
- }
- Op += '>';
- }
- }
- Op += " A=" + itostr(1 << CP->getAlignment());
- } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(Node)) {
- Op = "BB: ";
- const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
- if (LBB)
- Op += LBB->getName();
- //Op += " " + (const void*)BBDN->getBasicBlock();
- } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(Node)) {
- if (G && R->getReg() != 0 &&
- TargetRegisterInfo::isPhysicalRegister(R->getReg())) {
- Op = Op + " " +
- G->getTarget().getRegisterInfo()->getName(R->getReg());
- } else {
- Op += " #" + utostr(R->getReg());
- }
- } else if (const DbgStopPointSDNode *D = dyn_cast<DbgStopPointSDNode>(Node)) {
- Op += ": " + D->getCompileUnit()->getFileName();
- Op += ":" + utostr(D->getLine());
- if (D->getColumn() != 0)
- Op += ":" + utostr(D->getColumn());
- } else if (const LabelSDNode *L = dyn_cast<LabelSDNode>(Node)) {
- Op += ": LabelID=" + utostr(L->getLabelID());
- } else if (const CallSDNode *C = dyn_cast<CallSDNode>(Node)) {
- Op += ": CallingConv=" + utostr(C->getCallingConv());
- if (C->isVarArg())
- Op += ", isVarArg";
- if (C->isTailCall())
- Op += ", isTailCall";
- } else if (const ExternalSymbolSDNode *ES =
- dyn_cast<ExternalSymbolSDNode>(Node)) {
- Op += "'" + std::string(ES->getSymbol()) + "'";
- } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(Node)) {
- if (M->getValue())
- Op += "<" + M->getValue()->getName() + ">";
- else
- Op += "<null>";
- } else if (const MemOperandSDNode *M = dyn_cast<MemOperandSDNode>(Node)) {
- const Value *V = M->MO.getValue();
- Op += '<';
- if (!V) {
- Op += "(unknown)";
- } else if (isa<PseudoSourceValue>(V)) {
- // PseudoSourceValues don't have names, so use their print method.
- {
- raw_string_ostream OSS(Op);
- OSS << *M->MO.getValue();
- }
- } else {
- Op += V->getName();
- }
- Op += '+' + itostr(M->MO.getOffset()) + '>';
- } else if (const ARG_FLAGSSDNode *N = dyn_cast<ARG_FLAGSSDNode>(Node)) {
- Op = Op + " AF=" + N->getArgFlags().getArgFlagsString();
- } else if (const VTSDNode *N = dyn_cast<VTSDNode>(Node)) {
- Op = Op + " VT=" + N->getVT().getMVTString();
- } else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(Node)) {
- bool doExt = true;
- switch (LD->getExtensionType()) {
- default: doExt = false; break;
- case ISD::EXTLOAD:
- Op = Op + "<anyext ";
- break;
- case ISD::SEXTLOAD:
- Op = Op + " <sext ";
- break;
- case ISD::ZEXTLOAD:
- Op = Op + " <zext ";
- break;
- }
- if (doExt)
- Op += LD->getMemoryVT().getMVTString() + ">";
- if (LD->isVolatile())
- Op += "<V>";
- Op += LD->getIndexedModeName(LD->getAddressingMode());
- if (LD->getAlignment() > 1)
- Op += " A=" + utostr(LD->getAlignment());
- } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(Node)) {
- if (ST->isTruncatingStore())
- Op += "<trunc " + ST->getMemoryVT().getMVTString() + ">";
- if (ST->isVolatile())
- Op += "<V>";
- Op += ST->getIndexedModeName(ST->getAddressingMode());
- if (ST->getAlignment() > 1)
- Op += " A=" + utostr(ST->getAlignment());
- }
-
-#if 0
- Op += " Id=" + itostr(Node->getNodeId());
-#endif
-
- return Op;
+ return DOTGraphTraits<SelectionDAG*>::getSimpleNodeLabel(Node, G);
}
void SelectionDAG::viewGraph(const std::string &Title) {
// This code is only for debugging!
#ifndef NDEBUG
- ViewGraph(this, "dag." + getMachineFunction().getFunction()->getName(),
- Title);
+ ViewGraph(this, "dag." + getMachineFunction().getName(),
+ false, Title);
#else
- cerr << "SelectionDAG::viewGraph is only available in debug builds on "
- << "systems with Graphviz or gv!\n";
+ errs() << "SelectionDAG::viewGraph is only available in debug builds on "
+ << "systems with Graphviz or gv!\n";
#endif // NDEBUG
}
#ifndef NDEBUG
NodeGraphAttrs.clear();
#else
- cerr << "SelectionDAG::clearGraphAttrs is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ errs() << "SelectionDAG::clearGraphAttrs is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
#endif
}
#ifndef NDEBUG
NodeGraphAttrs[N] = Attrs;
#else
- cerr << "SelectionDAG::setGraphAttrs is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ errs() << "SelectionDAG::setGraphAttrs is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
#endif
}
#ifndef NDEBUG
std::map<const SDNode *, std::string>::const_iterator I =
NodeGraphAttrs.find(N);
-
+
if (I != NodeGraphAttrs.end())
return I->second;
else
return "";
#else
- cerr << "SelectionDAG::getGraphAttrs is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
- return std::string("");
+ errs() << "SelectionDAG::getGraphAttrs is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
+ return std::string();
#endif
}
#ifndef NDEBUG
NodeGraphAttrs[N] = std::string("color=") + Color;
#else
- cerr << "SelectionDAG::setGraphColor is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ errs() << "SelectionDAG::setGraphColor is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
#endif
}
if (level >= 20) {
if (!printed) {
printed = true;
- DOUT << "setSubgraphColor hit max level\n";
+ DEBUG(dbgs() << "setSubgraphColor hit max level\n");
}
return true;
}
}
}
#else
- cerr << "SelectionDAG::setSubgraphColor is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ errs() << "SelectionDAG::setSubgraphColor is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
#endif
return hit_limit;
}
// Visually mark that we hit the limit
if (strcmp(Color, "red") == 0) {
setSubgraphColorHelper(N, "blue", visited, 0, printed);
- }
- else if (strcmp(Color, "yellow") == 0) {
+ } else if (strcmp(Color, "yellow") == 0) {
setSubgraphColorHelper(N, "green", visited, 0, printed);
}
}
#else
- cerr << "SelectionDAG::setSubgraphColor is only available in debug builds"
- << " on systems with Graphviz or gv!\n";
+ errs() << "SelectionDAG::setSubgraphColor is only available in debug builds"
+ << " on systems with Graphviz or gv!\n";
#endif
}
-namespace llvm {
- template<>
- struct DOTGraphTraits<ScheduleDAG*> : public DefaultDOTGraphTraits {
- static std::string getGraphName(const ScheduleDAG *G) {
- return DOTGraphTraits<SelectionDAG*>::getGraphName(G->DAG);
- }
-
- static bool renderGraphFromBottomUp() {
- return true;
- }
-
- static bool hasNodeAddressLabel(const SUnit *Node,
- const ScheduleDAG *Graph) {
- return true;
- }
-
- /// 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) {
- if (EI.isSpecialDep())
- return "color=cyan,style=dashed";
- if (EI.isCtrlDep())
- return "color=blue,style=dashed";
- return "";
- }
-
-
- static std::string getNodeLabel(const SUnit *Node,
- const ScheduleDAG *Graph);
- static std::string getNodeAttributes(const SUnit *N,
- const ScheduleDAG *Graph) {
- return "shape=Mrecord";
- }
-
- static void addCustomGraphFeatures(ScheduleDAG *G,
- GraphWriter<ScheduleDAG*> &GW) {
- GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
- const SDNode *N = G->DAG->getRoot().getNode();
- if (N && N->getNodeId() != -1)
- GW.emitEdge(0, -1, &G->SUnits[N->getNodeId()], -1,
- "color=blue,style=dashed");
- }
- };
-}
-
-std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
- 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();
+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 Op;
+ return O.str();
}
-
-/// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
-/// rendered using 'dot'.
-///
-void ScheduleDAG::viewGraph() {
-// This code is only for debugging!
-#ifndef NDEBUG
- ViewGraph(this, "dag." + MF->getFunction()->getName(),
- "Scheduling-Units Graph for " + MF->getFunction()->getName() + ':' +
- BB->getBasicBlock()->getName());
-#else
- cerr << "ScheduleDAG::viewGraph is only available in debug builds on "
- << "systems with Graphviz or gv!\n";
-#endif // NDEBUG
+void ScheduleDAGSDNodes::getCustomGraphFeatures(GraphWriter<ScheduleDAG*> &GW) const {
+ if (DAG) {
+ // Draw a special "GraphRoot" node to indicate the root of the graph.
+ GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
+ const SDNode *N = DAG->getRoot().getNode();
+ if (N && N->getNodeId() != -1)
+ GW.emitEdge(0, -1, &SUnits[N->getNodeId()], -1,
+ "color=blue,style=dashed");
+ }
}
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