X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSelectionDAG%2FSelectionDAGPrinter.cpp;h=f1883744129467d77364227e9182d91ad4f6b175;hb=49c18cce976c158e86f54c681dff21bb81640fb8;hp=75c0cb337e771a61ab8c3ea00ad0147e0229a3ea;hpb=45aeccc1fda9e0938c38f554c002c6950bd92500;p=oota-llvm.git

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 75c0cb337e7..f1883744129 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -15,20 +15,54 @@
 #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/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/GraphWriter.h"
+#include "llvm/Support/raw_ostream.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();
     }
@@ -41,6 +75,20 @@ namespace llvm {
                                     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)
+        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);
@@ -61,7 +109,9 @@ namespace llvm {
     static void addCustomGraphFeatures(SelectionDAG *G,
                                        GraphWriter<SelectionDAG*> &GW) {
       GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
-      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");
     }
   };
 }
@@ -70,42 +120,46 @@ 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->getValue());
+    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->getValue()) + ">";
+        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();
@@ -113,23 +167,53 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       Op += LBB->getName();
     //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());
+    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() + ":" + itostr(M->getOffset()) + ">";
+      Op += "<" + M->getValue()->getName() + ">";
     else
-      Op += "<null:" + itostr(M->getOffset()) + ">";
+      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=" + 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()) {
@@ -145,13 +229,25 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       break;
     }
     if (doExt)
-      Op = Op + MVT::getValueTypeString(LD->getLoadVT()) + ">";
-
-    if (LD->getAddressingMode() == ISD::PRE_INDEXED)
-      Op = Op + "<pre>";
-    else if (LD->getAddressingMode() == ISD::POST_INDEXED)
-      Op = Op + "<post>";
+      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;
 }
@@ -160,16 +256,22 @@ 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
-  std::cerr << "SelectionDAG::viewGraph is only available in debug builds on "
-            << "systems with Graphviz or gv!\n";
+  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).
@@ -177,8 +279,8 @@ void SelectionDAG::clearGraphAttrs() {
 #ifndef NDEBUG
   NodeGraphAttrs.clear();
 #else
-  std::cerr << "SelectionDAG::clearGraphAttrs is only available in debug builds"
-            << " on systems with Graphviz or gv!\n";
+  cerr << "SelectionDAG::clearGraphAttrs is only available in debug builds"
+       << " on systems with Graphviz or gv!\n";
 #endif
 }
 
@@ -189,8 +291,8 @@ void SelectionDAG::setGraphAttrs(const SDNode *N, const char *Attrs) {
 #ifndef NDEBUG
   NodeGraphAttrs[N] = Attrs;
 #else
-  std::cerr << "SelectionDAG::setGraphAttrs is only available in debug builds"
-            << " on systems with Graphviz or gv!\n";
+  cerr << "SelectionDAG::setGraphAttrs is only available in debug builds"
+       << " on systems with Graphviz or gv!\n";
 #endif
 }
 
@@ -207,8 +309,8 @@ const std::string SelectionDAG::getGraphAttrs(const SDNode *N) const {
   else
     return "";
 #else
-  std::cerr << "SelectionDAG::getGraphAttrs is only available in debug builds"
-            << " on systems with Graphviz or gv!\n";
+  cerr << "SelectionDAG::getGraphAttrs is only available in debug builds"
+       << " on systems with Graphviz or gv!\n";
   return std::string("");
 #endif
 }
@@ -219,8 +321,86 @@ void SelectionDAG::setGraphColor(const SDNode *N, const char *Color) {
 #ifndef NDEBUG
   NodeGraphAttrs[N] = std::string("color=") + Color;
 #else
-  std::cerr << "SelectionDAG::setGraphColor is only available in debug builds"
-            << " on systems with Graphviz or gv!\n";
+  cerr << "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 "";
+    }
+    
+
+    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;
+
+  for (unsigned i = 0; i < SU->FlaggedNodes.size(); ++i) {
+    Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->FlaggedNodes[i],
+                                                      &G->DAG) + "\n";
+  }
+
+  if (SU->Node)
+    Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+  else
+    Op += "<CROSS RC COPY>";
+
+  return Op;
+}
+
+
+/// 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
+}