Index: include/llvm/CodeGen/SelectionDAGNodes.h
===================================================================
--- include/llvm/CodeGen/SelectionDAGNodes.h
+++ include/llvm/CodeGen/SelectionDAGNodes.h
@@ -667,7 +667,7 @@
   /// Return the opcode of this operation for printing.
   std::string getOperationName(const SelectionDAG *G = nullptr) const;
   static const char* getIndexedModeName(ISD::MemIndexedMode AM);
-  void print_types(raw_ostream &OS, const SelectionDAG *G) const;
+  void print_operation(raw_ostream &OS, const SelectionDAG *G) const;
   void print_details(raw_ostream &OS, const SelectionDAG *G) const;
   void print(raw_ostream &OS, const SelectionDAG *G = nullptr) const;
   void printr(raw_ostream &OS, const SelectionDAG *G = nullptr) const;
Index: lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
===================================================================
--- lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
+++ lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
@@ -393,9 +393,7 @@
   dbgs() << '\n';
 }
 
-void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
-  OS << PrintNodeId(*this) << " = ";
-
+void SDNode::print_operation(raw_ostream &OS, const SelectionDAG *G) const {
   OS << getOperationName(G) << ':';
   for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
     if (i) OS << ",";
@@ -409,7 +407,7 @@
 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
   if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
     if (!MN->memoperands_empty()) {
-      OS << "<";
+      OS << " <";
       OS << "Mem:";
       for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
            e = MN->memoperands_end(); i != e; ++i) {
@@ -421,7 +419,7 @@
     }
   } else if (const ShuffleVectorSDNode *SVN =
                dyn_cast<ShuffleVectorSDNode>(this)) {
-    OS << "<";
+    OS << " <";
     for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
       int Idx = SVN->getMaskElt(i);
       if (i) OS << ",";
@@ -432,21 +430,21 @@
     }
     OS << ">";
   } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
-    OS << '<' << CSDN->getAPIntValue() << '>';
+    OS << " <" << CSDN->getAPIntValue() << '>';
   } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
     if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle)
-      OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
+      OS << " <" << CSDN->getValueAPF().convertToFloat() << '>';
     else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble)
-      OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
+      OS << " <" << CSDN->getValueAPF().convertToDouble() << '>';
     else {
-      OS << "<APFloat(";
+      OS << " <APFloat(";
       CSDN->getValueAPF().bitcastToAPInt().dump();
       OS << ")>";
     }
   } else if (const GlobalAddressSDNode *GADN =
              dyn_cast<GlobalAddressSDNode>(this)) {
     int64_t offset = GADN->getOffset();
-    OS << '<';
+    OS << " <";
     GADN->getGlobal()->printAsOperand(OS);
     OS << '>';
     if (offset > 0)
@@ -456,17 +454,17 @@
     if (unsigned int TF = GADN->getTargetFlags())
       OS << " [TF=" << TF << ']';
   } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
-    OS << "<" << FIDN->getIndex() << ">";
+    OS << " <" << FIDN->getIndex() << ">";
   } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
-    OS << "<" << JTDN->getIndex() << ">";
+    OS << " <" << JTDN->getIndex() << ">";
     if (unsigned int TF = JTDN->getTargetFlags())
       OS << " [TF=" << TF << ']';
   } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
     int offset = CP->getOffset();
     if (CP->isMachineConstantPoolEntry())
-      OS << "<" << *CP->getMachineCPVal() << ">";
+      OS << " <" << *CP->getMachineCPVal() << ">";
     else
-      OS << "<" << *CP->getConstVal() << ">";
+      OS << " <" << *CP->getConstVal() << ">";
     if (offset > 0)
       OS << " + " << offset;
     else
@@ -474,11 +472,11 @@
     if (unsigned int TF = CP->getTargetFlags())
       OS << " [TF=" << TF << ']';
   } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
-    OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
+    OS << " <" << TI->getIndex() << '+' << TI->getOffset() << ">";
     if (unsigned TF = TI->getTargetFlags())
       OS << " [TF=" << TF << ']';
   } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
-    OS << "<";
+    OS << " <";
     const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
     if (LBB)
       OS << LBB->getName() << " ";
@@ -488,24 +486,24 @@
                           G ? G->getSubtarget().getRegisterInfo() : nullptr);
   } else if (const ExternalSymbolSDNode *ES =
              dyn_cast<ExternalSymbolSDNode>(this)) {
-    OS << "'" << ES->getSymbol() << "'";
+    OS << " '" << ES->getSymbol() << "'";
     if (unsigned int TF = ES->getTargetFlags())
       OS << " [TF=" << TF << ']';
   } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
     if (M->getValue())
-      OS << "<" << M->getValue() << ">";
+      OS << " <" << M->getValue() << ">";
     else
-      OS << "<null>";
+      OS << " <null>";
   } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
     if (MD->getMD())
-      OS << "<" << MD->getMD() << ">";
+      OS << " <" << MD->getMD() << ">";
     else
-      OS << "<null>";
+      OS << " <null>";
   } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
     OS << ":" << N->getVT().getEVTString();
   }
   else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
-    OS << "<" << *LD->getMemOperand();
+    OS << " <" << *LD->getMemOperand();
 
     bool doExt = true;
     switch (LD->getExtensionType()) {
@@ -523,7 +521,7 @@
 
     OS << ">";
   } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
-    OS << "<" << *ST->getMemOperand();
+    OS << " <" << *ST->getMemOperand();
 
     if (ST->isTruncatingStore())
       OS << ", trunc to " << ST->getMemoryVT().getEVTString();
@@ -534,11 +532,11 @@
 
     OS << ">";
   } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) {
-    OS << "<" << *M->getMemOperand() << ">";
+    OS << " <" << *M->getMemOperand() << ">";
   } else if (const BlockAddressSDNode *BA =
                dyn_cast<BlockAddressSDNode>(this)) {
     int64_t offset = BA->getOffset();
-    OS << "<";
+    OS << " <";
     BA->getBlockAddress()->getFunction()->printAsOperand(OS, false);
     OS << ", ";
     BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false);
@@ -551,7 +549,7 @@
       OS << " [TF=" << TF << ']';
   } else if (const AddrSpaceCastSDNode *ASC =
                dyn_cast<AddrSpaceCastSDNode>(this)) {
-    OS << '['
+    OS << " ["
        << ASC->getSrcAddressSpace()
        << " -> "
        << ASC->getDestAddressSpace()
@@ -582,13 +580,34 @@
   }
 }
 
+/// Return true if this node is so simple that we should just print it inline
+/// if it appears as an operand.
+static bool shouldPrintInline(const SDNode &Node) {
+  switch (Node.getOpcode()) {
+  case ISD::CONDCODE:
+  case ISD::Constant:
+  case ISD::ConstantFP:
+  case ISD::MDNODE_SDNODE:
+  case ISD::Register:
+  case ISD::RegisterMask:
+  case ISD::TargetConstant:
+  case ISD::TargetConstantFP:
+  case ISD::UNDEF:
+    return true;
+  }
+  return false;
+}
+
 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
-  for (const SDValue &Op : N->op_values())
+  for (const SDValue &Op : N->op_values()) {
+    if (shouldPrintInline(*Op.getNode()))
+      continue;
     if (Op.getNode()->hasOneUse())
       DumpNodes(Op.getNode(), indent+2, G);
     else
       dbgs() << "\n" << std::string(indent+2, ' ')
              << PrintNodeId(*Op.getNode()) << ": <multiple use>";
+  }
 
   dbgs() << '\n';
   dbgs().indent(indent);
@@ -601,7 +620,8 @@
   for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
        I != E; ++I) {
     const SDNode *N = I;
-    if (!N->hasOneUse() && N != getRoot().getNode())
+    if (!N->hasOneUse() && N != getRoot().getNode() &&
+        (!shouldPrintInline(*N) || N->use_empty()))
       DumpNodes(N, 2, this);
   }
 
@@ -610,8 +630,8 @@
 }
 
 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
-  print_types(OS, G);
-  OS << ' ';
+  OS << PrintNodeId(*this) << " = ";
+  print_operation(OS, G);
   print_details(OS, G);
 }
 
@@ -701,14 +721,24 @@
   dumprWithDepth(G, 10);
 }
 
+static void printOperand(raw_ostream &OS, const SelectionDAG *G,
+                         const SDValue Value) {
+  if (shouldPrintInline(*Value.getNode())) {
+    Value->print_operation(OS, G);
+    Value->print_details(OS, G);
+  } else {
+    OS << PrintNodeId(*Value.getNode());
+    if (unsigned RN = Value.getResNo())
+      OS << ':' << RN;
+  }
+}
+
 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
-  print_types(OS, G);
+  OS << PrintNodeId(*this) << " = ";
+  print_operation(OS, G);
   for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
     if (i) OS << ", "; else OS << " ";
-    const SDValue Operand = getOperand(i);
-    OS << PrintNodeId(*Operand.getNode());
-    if (unsigned RN = Operand.getResNo())
-      OS << ":" << RN;
+    printOperand(OS, G, getOperand(i));
   }
   print_details(OS, G);
 }