X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSelectionDAG%2FSelectionDAGPrinter.cpp;h=9cca6720460d4371adb5b374c810626c30af0e62;hb=b3bc6352defdf1a5c6b1b0770d0c4d603f6524a8;hp=719b949591ec56f93c5c2ebd2a60da2866a8bcb1;hpb=c6c391daddbafa722d9ca87d18f204e9a6e617a3;p=oota-llvm.git

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 719b949591e..9cca6720460 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -18,18 +18,53 @@
 #include "llvm/CodeGen/ScheduleDAG.h"
 #include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/Target/MRegisterInfo.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/PseudoSourceValue.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>
-#include <sstream>
 using namespace llvm;
 
 namespace llvm {
   template<>
   struct DOTGraphTraits<SelectionDAG*> : public DefaultDOTGraphTraits {
+    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).getMVTString();
+    }
+
+    /// 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().getFunction()->getName();
     }
@@ -47,8 +82,8 @@ namespace llvm {
     /// edge, override this method.
     template<typename EdgeIter>
     static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
-      SDOperand Op = EI.getNode()->getOperand(EI.getOperand());
-      MVT::ValueType VT = Op.getValueType();
+      SDValue Op = EI.getNode()->getOperand(EI.getOperand());
+      MVT VT = Op.getValueType();
       if (VT == MVT::Flag)
         return "color=red,style=bold";
       else if (VT == MVT::Other)
@@ -76,8 +111,9 @@ namespace llvm {
     static void addCustomGraphFeatures(SelectionDAG *G,
                                        GraphWriter<SelectionDAG*> &GW) {
       GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
-      if (G->getRoot().Val)
-        GW.emitEdge(0, -1, G->getRoot().Val, -1, "");
+      if (G->getRoot().getNode())
+        GW.emitEdge(0, -1, G->getRoot().getNode(), G->getRoot().getResNo(),
+                    "color=blue,style=dashed");
     }
   };
 }
@@ -86,44 +122,46 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
                                                         const SelectionDAG *G) {
   std::string Op = Node->getOperationName(G);
 
-  for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i)
-    if (Node->getValueType(i) == MVT::Other)
-      Op += ":ch";
-    else
-      Op = Op + ":" + MVT::getValueTypeString(Node->getValueType(i));
-    
   if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(Node)) {
-    Op += ": " + utostr(CSDN->getValue());
+    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);
+    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()) {
-      std::ostringstream SS;
-      CP->getMachineCPVal()->print(SS);
-      Op += "<" + SS.str() + ">";
+      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 {
-        std::ostringstream SS;
-        WriteAsOperand(SS, CP->getConstVal(), false);
-        Op += "<" + SS.str() + ">";
+        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();
@@ -132,11 +170,25 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
     //Op += " " + (const void*)BBDN->getBasicBlock();
   } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(Node)) {
     if (G && R->getReg() != 0 &&
-        MRegisterInfo::isPhysicalRegister(R->getReg())) {
-      Op = Op + " " + G->getTarget().getRegisterInfo()->getName(R->getReg());
+        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()) + "'";
@@ -146,14 +198,24 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
     else
       Op += "<null>";
   } else if (const MemOperandSDNode *M = dyn_cast<MemOperandSDNode>(Node)) {
-    if (M->MO.getValue())
-      Op += "<" + M->MO.getValue()->getName() + ":" + itostr(M->MO.getOffset()) + ">";
-    else
-      Op += "<null:" + itostr(M->MO.getOffset()) + ">";
+    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=" + MVT::getValueTypeString(N->getVT());
-  } else if (const StringSDNode *N = dyn_cast<StringSDNode>(Node)) {
-    Op = Op + "\"" + N->getValue() + "\"";
+    Op = Op + " VT=" + N->getVT().getMVTString();
   } else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(Node)) {
     bool doExt = true;
     switch (LD->getExtensionType()) {
@@ -169,7 +231,7 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       break;
     }
     if (doExt)
-      Op += MVT::getValueTypeString(LD->getMemoryVT()) + ">";
+      Op += LD->getMemoryVT().getMVTString() + ">";
     if (LD->isVolatile())
       Op += "<V>";
     Op += LD->getIndexedModeName(LD->getAddressingMode());
@@ -177,7 +239,7 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       Op += " A=" + utostr(LD->getAlignment());
   } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(Node)) {
     if (ST->isTruncatingStore())
-      Op += "<trunc " + MVT::getValueTypeString(ST->getMemoryVT()) + ">";
+      Op += "<trunc " + ST->getMemoryVT().getMVTString() + ">";
     if (ST->isVolatile())
       Op += "<V>";
     Op += ST->getIndexedModeName(ST->getAddressingMode());
@@ -196,16 +258,22 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
 /// viewGraph - Pop up a ghostview window with the reachable parts of the DAG
 /// rendered using 'dot'.
 ///
-void SelectionDAG::viewGraph() {
+void SelectionDAG::viewGraph(const std::string &Title) {
 // This code is only for debugging!
 #ifndef NDEBUG
-  ViewGraph(this, "dag." + getMachineFunction().getFunction()->getName());
+  ViewGraph(this, "dag." + getMachineFunction().getFunction()->getName(),
+            Title);
 #else
   cerr << "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).
@@ -260,6 +328,61 @@ void SelectionDAG::setGraphColor(const SDNode *N, const char *Color) {
 #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;
+      DOUT << "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
+  cerr << "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
+  cerr << "SelectionDAG::setSubgraphColor is only available in debug builds"
+       << " on systems with Graphviz or gv!\n";
+#endif
+}
+
 namespace llvm {
   template<>
   struct DOTGraphTraits<ScheduleDAG*> : public DefaultDOTGraphTraits {
@@ -280,6 +403,8 @@ namespace llvm {
     /// 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 "";
@@ -296,8 +421,10 @@ namespace llvm {
     static void addCustomGraphFeatures(ScheduleDAG *G,
                                        GraphWriter<ScheduleDAG*> &GW) {
       GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
-      if (G->DAG.getRoot().Val)
-        GW.emitEdge(0, -1, G->SUnitMap[G->DAG.getRoot().Val].front(), -1, "");
+      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");
     }
   };
 }
@@ -311,7 +438,10 @@ std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
                                                       &G->DAG) + "\n";
   }
 
-  Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+  if (SU->Node)
+    Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+  else
+    Op += "<CROSS RC COPY>";
 
   return Op;
 }
@@ -323,7 +453,9 @@ std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
 void ScheduleDAG::viewGraph() {
 // This code is only for debugging!
 #ifndef NDEBUG
-  ViewGraph(this, "dag." + DAG.getMachineFunction().getFunction()->getName());
+  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";