Propagate debug loc info through prologue/epilogue.

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

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 9cca6720460d4371adb5b374c810626c30af0e62..004cb247b1fecad38b2666e8f548d76f6f28b132 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -11,15 +11,16 @@
 //
 //===----------------------------------------------------------------------===//
 
+#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"
@@ -177,7 +178,8 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       Op += " #" + utostr(R->getReg());
     }
   } else if (const DbgStopPointSDNode *D = dyn_cast<DbgStopPointSDNode>(Node)) {
-    Op += ": " + D->getCompileUnit()->getFileName();
+    DICompileUnit CU(cast<GlobalVariable>(D->getCompileUnit()));
+    Op += ": " + CU.getFilename();
     Op += ":" + utostr(D->getLine());
     if (D->getColumn() != 0)
       Op += ":" + utostr(D->getColumn());
@@ -202,12 +204,10 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
     Op += '<';
     if (!V) {
       Op += "(unknown)";
-    } else if (isa<PseudoSourceValue>(V)) {
+    } else if (const PseudoSourceValue *PSV = dyn_cast<PseudoSourceValue>(V)) {
       // PseudoSourceValues don't have names, so use their print method.
-      {
-        raw_string_ostream OSS(Op);
-        OSS << *M->MO.getValue();
-      }
+      raw_string_ostream OSS(Op);
+      PSV->print(OSS);
     } else {
       Op += V->getName();
     }
@@ -383,81 +383,33 @@ void SelectionDAG::setSubgraphColor(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.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 ScheduleDAGSDNodes::getGraphNodeLabel(const SUnit *SU) const {
+  std::string s;
+  raw_string_ostream O(s);
+  O << "SU(" << SU->NodeNum << "): ";
+  if (SU->getNode()) {
+    SmallVector<SDNode *, 4> FlaggedNodes;
+    for (SDNode *N = SU->getNode(); N; N = N->getFlaggedNode())
+      FlaggedNodes.push_back(N);
+    while (!FlaggedNodes.empty()) {
+      O << DOTGraphTraits<SelectionDAG*>::getNodeLabel(FlaggedNodes.back(), DAG);
+      FlaggedNodes.pop_back();
+      if (!FlaggedNodes.empty())
+        O << "\n    ";
     }
-  };
-}
-
-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";
+  } else {
+    O << "CROSS RC COPY";
   }
-
-  if (SU->Node)
-    Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
-  else
-    Op += "<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");
+  }
 }