vendor/llvm/llvm-r72732

1 files changed, 104 insertions, 0 deletions

diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
new file mode 100644
index 0000000000000..916a8aa9e9856
--- /dev/null
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -0,0 +1,104 @@
+//===-- ARMTargetMachine.h - Define TargetMachine for ARM -------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the ARM specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ARMTARGETMACHINE_H
+#define 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"
+
+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;
+  Reloc::Model      DefRelocModel;    // Reloc model before it's overridden.
+
+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,
+                                            CodeGenOpt::Level OptLevel,
+                                            bool verbose);
+  static AsmPrinterCtorFn AsmPrinterCtor;
+
+public:
+  ARMTargetMachine(const Module &M, const std::string &FS, bool isThumb = false);
+
+  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);
+  }
+
+  static void registerAsmPrinter(AsmPrinterCtorFn F) {
+    AsmPrinterCtor = F;
+  }
+
+  static unsigned getModuleMatchQuality(const Module &M);
+  static unsigned getJITMatchQuality();
+
+  virtual const TargetAsmInfo *createTargetAsmInfo() const;
+
+  // Pass Pipeline Configuration
+  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+  virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+  virtual bool addAssemblyEmitter(PassManagerBase &PM,
+                                  CodeGenOpt::Level OptLevel,
+                                  bool Verbose, raw_ostream &Out);
+  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
+                              bool DumpAsm, MachineCodeEmitter &MCE);
+  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
+                              bool DumpAsm, JITCodeEmitter &MCE);
+  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
+                                    CodeGenOpt::Level OptLevel,
+                                    bool DumpAsm,
+                                    MachineCodeEmitter &MCE);
+  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
+                                    CodeGenOpt::Level OptLevel,
+                                    bool DumpAsm,
+                                    JITCodeEmitter &MCE);
+};
+
+/// ThumbTargetMachine - Thumb target machine.
+///
+class ThumbTargetMachine : public ARMTargetMachine {
+public:
+  ThumbTargetMachine(const Module &M, const std::string &FS);
+
+  static unsigned getJITMatchQuality();
+  static unsigned getModuleMatchQuality(const Module &M);
+};
+
+} // end namespace llvm
+
+#endif