X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FInstrInfoEmitter.h;h=657939e46388508edf81c59af42161b4f0bddc8d;hb=717ce2b8d81f0c12145248e92c37ee7547276ce2;hp=0415f043ce48bacdf3805e798e2006b56bebfbfc;hpb=a3ae6143c1ec9c39a7beb07960f89edd4736b018;p=oota-llvm.git

diff --git a/utils/TableGen/InstrInfoEmitter.h b/utils/TableGen/InstrInfoEmitter.h
index 0415f043ce4..657939e4638 100644
--- a/utils/TableGen/InstrInfoEmitter.h
+++ b/utils/TableGen/InstrInfoEmitter.h
@@ -1,5 +1,12 @@
 //===- InstrInfoEmitter.h - Generate a Instruction Set Desc. ----*- C++ -*-===//
 //
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
 // This tablegen backend is responsible for emitting a description of the target
 // instruction set for the code generator.
 //
@@ -8,26 +15,54 @@
 #ifndef INSTRINFO_EMITTER_H
 #define INSTRINFO_EMITTER_H
 
-#include <iosfwd>
-class RecordKeeper;
-class Record;
+#include "TableGenBackend.h"
+#include "CodeGenDAGPatterns.h"
+#include <vector>
+#include <map>
+
+namespace llvm {
+
 class StringInit;
 class IntInit;
+class ListInit;
+class CodeGenInstruction;
 
-class InstrInfoEmitter {
+class InstrInfoEmitter : public TableGenBackend {
   RecordKeeper &Records;
-public:
-  InstrInfoEmitter(RecordKeeper &R) : Records(R) {}
+  CodeGenDAGPatterns CDP;
+  std::map<std::string, unsigned> ItinClassMap;
   
+public:
+  InstrInfoEmitter(RecordKeeper &R) : Records(R), CDP(R) { }
+
   // run - Output the instruction set description, returning true on failure.
-  void run(std::ostream &OS);
+  void run(raw_ostream &OS);
 
-  // runEnums - Print out enum values for all of the instructions.
-  void runEnums(std::ostream &OS);
 private:
-  void emitRecord(Record *R, unsigned Num, Record *InstrInfo, std::ostream &OS);
+  typedef std::map<std::vector<std::string>, unsigned> OperandInfoMapTy;
+  
+  void emitRecord(const CodeGenInstruction &Inst, unsigned Num,
+                  Record *InstrInfo, 
+                  std::map<std::vector<Record*>, unsigned> &EL,
+                  std::map<Record*, unsigned> &BM,
+                  const OperandInfoMapTy &OpInfo,
+                  raw_ostream &OS);
   void emitShiftedValue(Record *R, StringInit *Val, IntInit *Shift,
-                        std::ostream &OS);
+                        raw_ostream &OS);
+
+  // Itinerary information.
+  void GatherItinClasses();
+  unsigned getItinClassNumber(const Record *InstRec);
+  
+  // Operand information.
+  void EmitOperandInfo(raw_ostream &OS, OperandInfoMapTy &OperandInfoIDs);
+  std::vector<std::string> GetOperandInfo(const CodeGenInstruction &Inst);
+
+  void DetectRegisterClassBarriers(std::vector<Record*> &Defs,
+                                   const std::vector<CodeGenRegisterClass> &RCs,
+                                   std::vector<Record*> &Barriers);
 };
 
+} // End llvm namespace
+
 #endif