start bringing targetoperand flags into isel, first up, ExternalSymbol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74199 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index ec2d1d7d0788f58ab12e5a06390d790ea073f49b..36b680dab6fc62ee5800d3094af88d9dabe299b7 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -310,8 +310,8 @@ public:
   SDValue getBasicBlock(MachineBasicBlock *MBB, DebugLoc dl);
   SDValue getExternalSymbol(const char *Sym, MVT VT);
   SDValue getExternalSymbol(const char *Sym, DebugLoc dl, MVT VT);
-  SDValue getTargetExternalSymbol(const char *Sym, MVT VT);
-  SDValue getTargetExternalSymbol(const char *Sym, DebugLoc dl, MVT VT);
+  SDValue getTargetExternalSymbol(const char *Sym, MVT VT,
+                                  unsigned char TargetFlags = 0);
   SDValue getArgFlags(ISD::ArgFlagsTy Flags);
   SDValue getValueType(MVT);
   SDValue getRegister(unsigned Reg, MVT VT);
@@ -862,7 +862,8 @@ private:
   std::vector<SDNode*> ValueTypeNodes;
   std::map<MVT, SDNode*, MVT::compareRawBits> ExtendedValueTypeNodes;
   StringMap<SDNode*> ExternalSymbols;
-  StringMap<SDNode*> TargetExternalSymbols;
+  
+  std::map<std::pair<std::string, unsigned char>,SDNode*> TargetExternalSymbols;
 };
 
 template <> struct GraphTraits<SelectionDAG*> : public GraphTraits<SDNode*> {

diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 1b6fecd556e1634e749d0eed69b080a4d8270b18..1e8bee46d70dc617594ccc41bbfb16fbefaf3bad 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -2101,15 +2101,18 @@ public:
 
 class ExternalSymbolSDNode : public SDNode {
   const char *Symbol;
+  unsigned char TargetFlags;
+  
   friend class SelectionDAG;
-  ExternalSymbolSDNode(bool isTarget, const char *Sym, MVT VT)
+  ExternalSymbolSDNode(bool isTarget, const char *Sym, unsigned char TF, MVT VT)
     : SDNode(isTarget ? ISD::TargetExternalSymbol : ISD::ExternalSymbol,
              DebugLoc::getUnknownLoc(),
-             getSDVTList(VT)), Symbol(Sym) {
+             getSDVTList(VT)), Symbol(Sym), TargetFlags(TF) {
   }
 public:
 
   const char *getSymbol() const { return Symbol; }
+  unsigned char getTargetFlags() const { return TargetFlags; }
 
   static bool classof(const ExternalSymbolSDNode *) { return true; }
   static bool classof(const SDNode *N) {

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 8de2dfccf790b51a63b316bbabc2c7fe50b4c29f..0b93e549ffb12794cc5544c317ee9eed7b690a66 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -632,10 +632,13 @@ bool SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
   case ISD::ExternalSymbol:
     Erased = ExternalSymbols.erase(cast<ExternalSymbolSDNode>(N)->getSymbol());
     break;
-  case ISD::TargetExternalSymbol:
-    Erased =
-      TargetExternalSymbols.erase(cast<ExternalSymbolSDNode>(N)->getSymbol());
+  case ISD::TargetExternalSymbol: {
+    ExternalSymbolSDNode *ESN = cast<ExternalSymbolSDNode>(N);
+    Erased = TargetExternalSymbols.erase(
+               std::pair<std::string,unsigned char>(ESN->getSymbol(),
+                                                    ESN->getTargetFlags()));
     break;
+  }
   case ISD::VALUETYPE: {
     MVT VT = cast<VTSDNode>(N)->getVT();
     if (VT.isExtended()) {
@@ -1108,16 +1111,19 @@ SDValue SelectionDAG::getExternalSymbol(const char *Sym, MVT VT) {
   SDNode *&N = ExternalSymbols[Sym];
   if (N) return SDValue(N, 0);
   N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
-  new (N) ExternalSymbolSDNode(false, Sym, VT);
+  new (N) ExternalSymbolSDNode(false, Sym, 0, VT);
   AllNodes.push_back(N);
   return SDValue(N, 0);
 }
 
-SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT) {
-  SDNode *&N = TargetExternalSymbols[Sym];
+SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT,
+                                              unsigned char TargetFlags) {
+  SDNode *&N =
+    TargetExternalSymbols[std::pair<std::string,unsigned char>(Sym,
+                                                               TargetFlags)];
   if (N) return SDValue(N, 0);
   N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
-  new (N) ExternalSymbolSDNode(true, Sym, VT);
+  new (N) ExternalSymbolSDNode(true, Sym, TargetFlags, VT);
   AllNodes.push_back(N);
   return SDValue(N, 0);
 }