X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSelectionDAG%2FSelectionDAGPrinter.cpp;h=9cca6720460d4371adb5b374c810626c30af0e62;hb=b3bc6352defdf1a5c6b1b0770d0c4d603f6524a8;hp=184c50e9037d245c871fdba395c157338cedb6a6;hpb=358033102ffaef4d1afb1c0b7e96440906f0b48f;p=oota-llvm.git

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 184c50e9037..9cca6720460 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -22,11 +22,13 @@
 #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 {
@@ -59,7 +61,7 @@ namespace llvm {
     static EdgeIter getEdgeTarget(const void *Node, EdgeIter I) {
       SDNode *TargetNode = *I;
       SDNodeIterator NI = SDNodeIterator::begin(TargetNode);
-      std::advance(NI, I.getNode()->getOperand(I.getOperand()).ResNo);
+      std::advance(NI, I.getNode()->getOperand(I.getOperand()).getResNo());
       return NI;
     }
 
@@ -80,7 +82,7 @@ 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());
+      SDValue Op = EI.getNode()->getOperand(EI.getOperand());
       MVT VT = Op.getValueType();
       if (VT == MVT::Flag)
         return "color=red,style=bold";
@@ -109,8 +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");
     }
   };
 }
@@ -120,37 +123,45 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
   std::string Op = Node->getOperationName(G);
 
   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();
@@ -172,6 +183,12 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       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()) + "'";
@@ -187,9 +204,10 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
       Op += "(unknown)";
     } else if (isa<PseudoSourceValue>(V)) {
       // PseudoSourceValues don't have names, so use their print method.
-      std::ostringstream SS;
-      M->MO.getValue()->print(SS);
-      Op += SS.str();
+      {
+        raw_string_ostream OSS(Op);
+        OSS << *M->MO.getValue();
+      }
     } else {
       Op += V->getName();
     }
@@ -251,6 +269,11 @@ void SelectionDAG::viewGraph(const std::string &Title) {
 #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).
@@ -305,6 +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 {
@@ -343,9 +421,10 @@ namespace llvm {
     static void addCustomGraphFeatures(ScheduleDAG *G,
                                        GraphWriter<ScheduleDAG*> &GW) {
       GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
-      const SDNode *N = G->DAG.getRoot().Val;
+      const SDNode *N = G->DAG.getRoot().getNode();
       if (N && N->getNodeId() != -1)
-        GW.emitEdge(0, -1, &G->SUnits[N->getNodeId()], -1, "");
+        GW.emitEdge(0, -1, &G->SUnits[N->getNodeId()], -1,
+                    "color=blue,style=dashed");
     }
   };
 }