Write llvm-tblgen backends as functions instead of sub-classes.

The TableGenBackend base class doesn't do much, and will be removed
completely soon.

Patch by Sean Silva!

llvm-svn: 158311

1 files changed, 0 insertions, 79 deletions

diff --git a/llvm/utils/TableGen/FixedLenDecoderEmitter.h b/llvm/utils/TableGen/FixedLenDecoderEmitter.h
deleted file mode 100644
index 195297c966d..00000000000
--- a/llvm/utils/TableGen/FixedLenDecoderEmitter.h
+++ /dev/null
@@ -1,79 +0,0 @@
-//===------------ FixedLenDecoderEmitter.h - Decoder Generator --*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// It contains the tablegen backend that emits the decoder functions for
-// targets with fixed length instruction set.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef FixedLenDECODEREMITTER_H
-#define FixedLenDECODEREMITTER_H
-
-#include "CodeGenTarget.h"
-
-#include "llvm/TableGen/TableGenBackend.h"
-#include "llvm/Support/DataTypes.h"
-
-namespace llvm {
-
-struct EncodingField {
-  unsigned Base, Width, Offset;
-  EncodingField(unsigned B, unsigned W, unsigned O)
-    : Base(B), Width(W), Offset(O) { }
-};
-
-struct OperandInfo {
-  std::vector<EncodingField> Fields;
-  std::string Decoder;
-
-  OperandInfo(std::string D)
-    : Decoder(D) { }
-
-  void addField(unsigned Base, unsigned Width, unsigned Offset) {
-    Fields.push_back(EncodingField(Base, Width, Offset));
-  }
-
-  unsigned numFields() const { return Fields.size(); }
-
-  typedef std::vector<EncodingField>::const_iterator const_iterator;
-
-  const_iterator begin() const { return Fields.begin(); }
-  const_iterator end() const   { return Fields.end();   }
-};
-
-class FixedLenDecoderEmitter : public TableGenBackend {
-public:
-  FixedLenDecoderEmitter(RecordKeeper &R,
-                         std::string PredicateNamespace,
-                         std::string GPrefix  = "if (",
-                         std::string GPostfix = " == MCDisassembler::Fail)"
-                         " return MCDisassembler::Fail;",
-                         std::string ROK      = "MCDisassembler::Success",
-                         std::string RFail    = "MCDisassembler::Fail",
-                         std::string L        = "") :
-    Target(R),
-    PredicateNamespace(PredicateNamespace),
-    GuardPrefix(GPrefix), GuardPostfix(GPostfix),
-    ReturnOK(ROK), ReturnFail(RFail), Locals(L) {}
-
-  // run - Output the code emitter
-  void run(raw_ostream &o);
-
-private:
-  CodeGenTarget Target;
-public:
-  std::string PredicateNamespace;
-  std::string GuardPrefix, GuardPostfix;
-  std::string ReturnOK, ReturnFail;
-  std::string Locals;
-};
-
-} // end llvm namespace
-
-#endif