lib/Target/CBackend/CTargetMachine.h

   1 //===-- CTargetMachine.h - TargetMachine for the C backend ------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file declares the TargetMachine that is used by the C backend.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef CTARGETMACHINE_H
  15 #define CTARGETMACHINE_H
  16
  17 #include "llvm/Target/TargetMachine.h"
  18 #include "llvm/Target/TargetData.h"
  19
  20 namespace llvm {
  21
  22 struct CTargetMachine : public TargetMachine {
  23   const TargetData DataLayout;       // Calculates type size & alignment
  24
  25   CTargetMachine(const Module &M, const std::string &FS)
  26     : DataLayout(&M) {}
  27
  28   virtual bool WantsWholeFile() const { return true; }
  29   virtual bool addPassesToEmitWholeFile(PassManager &PM, raw_ostream &Out,
  30                                         CodeGenFileType FileType,
  31                                         CodeGenOpt::Level OptLevel);
  32
  33   // This class always works, but must be requested explicitly on
  34   // llc command line.
  35   static unsigned getModuleMatchQuality(const Module &M) { return 0; }
  36
  37   virtual const TargetData *getTargetData() const { return &DataLayout; }
  38 };
  39
  40 } // End llvm namespace
  41
  42
  43 #endif