Remove attribution from file headers, per discussion on llvmdev.

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SelectionDAGPrinter.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 5ff8d8769a6a6964af769066c2ae333fbb20f3f3..588fc6aaf41d49b7cd0caf6cf52b6d163eb0c351 100644 (file)
--- 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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -15,6 +15,7 @@
 #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"
@@ -51,7 +52,7 @@ namespace llvm {
       if (VT == MVT::Flag)
         return "color=red,style=bold";
       else if (VT == MVT::Other)
-        return "style=dashed";
+        return "color=blue,style=dashed";
       return "";
     }
     
@@ -94,7 +95,7 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
   if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(Node)) {
     Op += ": " + utostr(CSDN->getValue());
   } 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();
@@ -114,7 +115,7 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       Op += "<" + SS.str() + ">";
     } 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 {
@@ -145,7 +146,7 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
     else
       Op += "<null:" + itostr(M->getOffset()) + ">";
   } else if (const VTSDNode *N = dyn_cast<VTSDNode>(Node)) {
-    Op = Op + " VT=" + getValueTypeString(N->getVT());
+    Op = Op + " VT=" + MVT::getValueTypeString(N->getVT());
   } else if (const StringSDNode *N = dyn_cast<StringSDNode>(Node)) {
     Op = Op + "\"" + N->getValue() + "\"";
   } else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(Node)) {
@@ -171,6 +172,10 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       Op = Op + "<trunc " + MVT::getValueTypeString(ST->getStoredVT()) + ">";
     Op += ST->getIndexedModeName(ST->getAddressingMode());
   }
+
+#if 0
+  Op += " Id=" + itostr(Node->getNodeId());
+#endif
   
   return Op;
 }
@@ -243,3 +248,72 @@ void SelectionDAG::setGraphColor(const SDNode *N, const char *Color) {
 #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.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");
+      if (G->DAG.getRoot().Val)
+        GW.emitEdge(0, -1, G->SUnitMap[G->DAG.getRoot().Val].front(), -1, "");
+    }
+  };
+}
+
+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";
+  }
+
+  Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+
+  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." + DAG.getMachineFunction().getFunction()->getName());
+#else
+  cerr << "ScheduleDAG::viewGraph is only available in debug builds on "
+       << "systems with Graphviz or gv!\n";
+#endif  // NDEBUG
+}