There is no EndPtr anymore - reinterpret the original comment in terms

[oota-llvm.git] / utils / TableGen / InstrInfoEmitter.h

diff --git a/utils/TableGen/InstrInfoEmitter.h b/utils/TableGen/InstrInfoEmitter.h
index bf7e6758a577ef3480a99fafca66a9fa598c5891..abb1c6bc188cbd94e9ee7c15cb9ec6153dcdb0ea 100644 (file)
--- 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.
 //
@@ -8,19 +15,52 @@
 #ifndef INSTRINFO_EMITTER_H
 #define INSTRINFO_EMITTER_H
 
-#include <iosfwd>
-class RecordKeeper;
+#include "TableGenBackend.h"
+#include "CodeGenDAGPatterns.h"
+#include <vector>
+#include <map>
 
-class InstrInfoEmitter {
+namespace llvm {
+
+class StringInit;
+class IntInit;
+class ListInit;
+class CodeGenInstruction;
+
+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 &o);
+  void run(raw_ostream &OS);
+
+private:
+  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);
 
-  // runEnums - Print out enum values for all of the instructions.
-  void runEnums(std::ostream &o);
+  // 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