X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSelectionDAG%2FSelectionDAGPrinter.cpp;h=76eb9453561e95242562a68c271eb1bf433a1c96;hb=29d8f0cae425f1bba583565227eaebf58f26ce73;hp=8e3247fb673e2c89a66c0ae4837ab2a11960a63e;hpb=aed48bfee87046f40330fc35d17265dd3aaf5dd5;p=oota-llvm.git

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 8e3247fb673..76eb9453561 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -11,27 +11,33 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "ScheduleDAGSDNodes.h"
 #include "llvm/Constants.h"
 #include "llvm/Function.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/CodeGen/ScheduleDAG.h"
 #include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
+#include "llvm/Analysis/DebugInfo.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetMachine.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>
 using namespace llvm;
 
 namespace llvm {
   template<>
   struct DOTGraphTraits<SelectionDAG*> : public DefaultDOTGraphTraits {
+
+    explicit DOTGraphTraits(bool isSimple=false) :
+      DefaultDOTGraphTraits(isSimple) {}
+
     static bool hasEdgeDestLabels() {
       return true;
     }
@@ -41,12 +47,17 @@ namespace llvm {
     }
 
     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((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;
@@ -70,28 +81,36 @@ namespace llvm {
     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) {
       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
@@ -118,136 +137,7 @@ namespace llvm {
 
 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)) {
-    int offset = GADN->getOffset();
-    Op += ": " + GADN->getGlobal()->getName();
-    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 SymbolSDNode *S = dyn_cast<SymbolSDNode>(Node)) {
-    Op += "'" + std::string(S->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);
 }
 
 
@@ -257,11 +147,11 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
 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().getFunction()->getNameStr(),
+            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
 }
 
@@ -277,8 +167,8 @@ void SelectionDAG::clearGraphAttrs() {
 #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
 }
 
@@ -289,8 +179,8 @@ void SelectionDAG::setGraphAttrs(const SDNode *N, const char *Attrs) {
 #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
 }
 
@@ -301,15 +191,15 @@ 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
-  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
 }
 
@@ -319,86 +209,93 @@ void SelectionDAG::setGraphColor(const SDNode *N, const char *Color) {
 #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
 }
 
-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 "";
-    }
-    
+/// 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;
 
-    static std::string getNodeLabel(const SUnit *Node,
-                                    const ScheduleDAG *Graph);
-    static std::string getNodeAttributes(const SUnit *N,
-                                         const ScheduleDAG *Graph) {
-      return "shape=Mrecord";
+#ifndef NDEBUG
+  if (level >= 20) {
+    if (!printed) {
+      printed = true;
+      DEBUG(dbgs() << "setSubgraphColor hit max level\n");
     }
+    return true;
+  }
 
-    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");
+  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;
 }
 
-std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
-                                                       const ScheduleDAG *G) {
-  std::string Op;
-
-  for (unsigned i = 0; i < SU->FlaggedNodes.size(); ++i) {
-    Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->FlaggedNodes[i],
-                                                      &G->DAG) + "\n";
+/// 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);
+    }
   }
 
-  if (SU->Node)
-    Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
-  else
-    Op += "<CROSS RC COPY>";
-
-  return Op;
+#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();
+}
 
-/// 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");
+  }
 }