X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FARM%2FARMTargetMachine.h;h=20ca97b616b7f39d057a26ef6bf1fee871e100fb;hb=1106660066504d163543607b38371c97aef7708e;hp=35f97e3bc8853caf8ce7d2aab5b2222587628a50;hpb=cb3718832375a581c5ea23f15918f3ea447a446c;p=oota-llvm.git

diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
index 35f97e3bc88..20ca97b616b 100644
--- a/lib/Target/ARM/ARMTargetMachine.h
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -11,80 +11,117 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef ARMTARGETMACHINE_H
-#define ARMTARGETMACHINE_H
+#ifndef LLVM_LIB_TARGET_ARM_ARMTARGETMACHINE_H
+#define LLVM_LIB_TARGET_ARM_ARMTARGETMACHINE_H
 
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetFrameInfo.h"
 #include "ARMInstrInfo.h"
-#include "ARMFrameInfo.h"
-#include "ARMJITInfo.h"
 #include "ARMSubtarget.h"
-#include "ARMISelLowering.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
 
-class Module;
-
-class ARMTargetMachine : public LLVMTargetMachine {
-  ARMSubtarget      Subtarget;
-  const TargetData  DataLayout;       // Calculates type size & alignment
-  ARMInstrInfo      InstrInfo;
-  ARMFrameInfo      FrameInfo;
-  ARMJITInfo        JITInfo;
-  ARMTargetLowering TLInfo;
+class ARMBaseTargetMachine : public LLVMTargetMachine {
+public:
+  enum ARMABI {
+    ARM_ABI_UNKNOWN,
+    ARM_ABI_APCS,
+    ARM_ABI_AAPCS // ARM EABI
+  } TargetABI;
 
 protected:
-  // To avoid having target depend on the asmprinter stuff libraries, asmprinter
-  // set this functions to ctor pointer at startup time if they are linked in.
-  typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
-                                            ARMTargetMachine &tm);
-  static AsmPrinterCtorFn AsmPrinterCtor;
+  std::unique_ptr<TargetLoweringObjectFile> TLOF;
+  ARMSubtarget        Subtarget;
+  bool isLittle;
+  mutable StringMap<std::unique_ptr<ARMSubtarget>> SubtargetMap;
 
 public:
-  ARMTargetMachine(const Module &M, const std::string &FS, bool isThumb = false);
+  ARMBaseTargetMachine(const Target &T, StringRef TT,
+                       StringRef CPU, StringRef FS,
+                       const TargetOptions &Options,
+                       Reloc::Model RM, CodeModel::Model CM,
+                       CodeGenOpt::Level OL,
+                       bool isLittle);
+  ~ARMBaseTargetMachine() override;
 
-  virtual const ARMInstrInfo     *getInstrInfo() const { return &InstrInfo; }
-  virtual const ARMFrameInfo     *getFrameInfo() const { return &FrameInfo; }
-  virtual       ARMJITInfo       *getJITInfo()         { return &JITInfo; }
-  virtual const ARMRegisterInfo  *getRegisterInfo() const {
-    return &InstrInfo.getRegisterInfo();
-  }
-  virtual const TargetData       *getTargetData() const { return &DataLayout; }
-  virtual const ARMSubtarget  *getSubtargetImpl() const { return &Subtarget; }
-  virtual       ARMTargetLowering *getTargetLowering() const {
-    return const_cast<ARMTargetLowering*>(&TLInfo);
-  }
+  const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
+  const ARMSubtarget *getSubtargetImpl(const Function &F) const override;
+  bool isLittleEndian() const { return isLittle; }
+
+  /// \brief Get the TargetIRAnalysis for this target.
+  TargetIRAnalysis getTargetIRAnalysis() override;
 
-  static void registerAsmPrinter(AsmPrinterCtorFn F) {
-    AsmPrinterCtor = F;
+  // Pass Pipeline Configuration
+  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
+
+  TargetLoweringObjectFile *getObjFileLowering() const override {
+    return TLOF.get();
   }
+};
 
-  static unsigned getModuleMatchQuality(const Module &M);
-  static unsigned getJITMatchQuality();
+/// ARMTargetMachine - ARM target machine.
+///
+class ARMTargetMachine : public ARMBaseTargetMachine {
+  virtual void anchor();
+ public:
+   ARMTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
+                    const TargetOptions &Options, Reloc::Model RM,
+                    CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle);
+};
 
-  virtual const TargetAsmInfo *createTargetAsmInfo() const;
+/// ARMLETargetMachine - ARM little endian target machine.
+///
+class ARMLETargetMachine : public ARMTargetMachine {
+  void anchor() override;
+public:
+  ARMLETargetMachine(const Target &T, StringRef TT,
+                     StringRef CPU, StringRef FS, const TargetOptions &Options,
+                     Reloc::Model RM, CodeModel::Model CM,
+                     CodeGenOpt::Level OL);
+};
 
-  // Pass Pipeline Configuration
-  virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
-  virtual bool addPreEmitPass(PassManagerBase &PM, bool Fast);
-  virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast,
-                                  raw_ostream &Out);
-  virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast,
-                              bool DumpAsm, MachineCodeEmitter &MCE);
-  virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
-                                    bool DumpAsm, MachineCodeEmitter &MCE);
+/// ARMBETargetMachine - ARM big endian target machine.
+///
+class ARMBETargetMachine : public ARMTargetMachine {
+  void anchor() override;
+public:
+  ARMBETargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
+                     const TargetOptions &Options, Reloc::Model RM,
+                     CodeModel::Model CM, CodeGenOpt::Level OL);
 };
 
 /// ThumbTargetMachine - Thumb target machine.
+/// Due to the way architectures are handled, this represents both
+///   Thumb-1 and Thumb-2.
+///
+class ThumbTargetMachine : public ARMBaseTargetMachine {
+  virtual void anchor();
+public:
+  ThumbTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
+                     const TargetOptions &Options, Reloc::Model RM,
+                     CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle);
+};
+
+/// ThumbLETargetMachine - Thumb little endian target machine.
 ///
-class ThumbTargetMachine : public ARMTargetMachine {
+class ThumbLETargetMachine : public ThumbTargetMachine {
+  void anchor() override;
 public:
-  ThumbTargetMachine(const Module &M, const std::string &FS);
+  ThumbLETargetMachine(const Target &T, StringRef TT, StringRef CPU,
+                       StringRef FS, const TargetOptions &Options,
+                       Reloc::Model RM, CodeModel::Model CM,
+                       CodeGenOpt::Level OL);
+};
 
-  static unsigned getJITMatchQuality();
-  static unsigned getModuleMatchQuality(const Module &M);
+/// ThumbBETargetMachine - Thumb big endian target machine.
+///
+class ThumbBETargetMachine : public ThumbTargetMachine {
+  void anchor() override;
+public:
+  ThumbBETargetMachine(const Target &T, StringRef TT, StringRef CPU,
+                       StringRef FS, const TargetOptions &Options,
+                       Reloc::Model RM, CodeModel::Model CM,
+                       CodeGenOpt::Level OL);
 };
 
 } // end namespace llvm