Support for read / write from explicit registers with FlagVT type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24753 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelEmitter.h b/utils/TableGen/DAGISelEmitter.h
index 1fbb326..f63e28e 100644
--- a/utils/TableGen/DAGISelEmitter.h
+++ b/utils/TableGen/DAGISelEmitter.h
@@ -327,17 +327,24 @@
     TreePattern *Pattern;
     std::vector<Record*> Results;
     std::vector<Record*> Operands;
+    std::vector<Record*> ImpResults;
+    std::vector<Record*> ImpOperands;
     TreePatternNode *ResultPattern;
   public:
     DAGInstruction(TreePattern *TP,
                    const std::vector<Record*> &results,
-                   const std::vector<Record*> &operands)
+                   const std::vector<Record*> &operands,
+                   const std::vector<Record*> &impresults,
+                   const std::vector<Record*> &impoperands)
       : Pattern(TP), Results(results), Operands(operands), 
+        ImpResults(impresults), ImpOperands(impoperands),
         ResultPattern(0) {}
 
     TreePattern *getPattern() const { return Pattern; }
     unsigned getNumResults() const { return Results.size(); }
     unsigned getNumOperands() const { return Operands.size(); }
+    unsigned getNumImpResults() const { return ImpResults.size(); }
+    unsigned getNumImpOperands() const { return ImpOperands.size(); }
     
     void setResultPattern(TreePatternNode *R) { ResultPattern = R; }
     
@@ -350,6 +357,16 @@
       assert(ON < Operands.size());
       return Operands[ON];
     }
+
+    Record *getImpResult(unsigned RN) const {
+      assert(RN < ImpResults.size());
+      return ImpResults[RN];
+    }
+    
+    Record *getImpOperand(unsigned ON) const {
+      assert(ON < ImpOperands.size());
+      return ImpOperands[ON];
+    }
     TreePatternNode *getResultPattern() const { return ResultPattern; }
   };
   
@@ -434,7 +451,9 @@
   void FindPatternInputsAndOutputs(TreePattern *I, TreePatternNode *Pat,
                                    std::map<std::string,
                                             TreePatternNode*> &InstInputs,
-                                   std::map<std::string, Record*> &InstResults);
+                                   std::map<std::string, Record*> &InstResults,
+                                   std::vector<Record*> &InstImpInputs,
+                                   std::vector<Record*> &InstImpResults);
   void EmitCodeForPattern(PatternToMatch &Pattern, std::ostream &OS);
   void EmitInstructionSelector(std::ostream &OS);
 };