Dummy MSP430 backend

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70694 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 66 insertions, 0 deletions

diff --git a/lib/Target/MSP430/MSP430TargetMachine.h b/lib/Target/MSP430/MSP430TargetMachine.h
new file mode 100644
index 0000000..edfc8eb
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+++ b/lib/Target/MSP430/MSP430TargetMachine.h
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+//==-- MSP430TargetMachine.h - Define TargetMachine for MSP430 ---*- 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 MSP430 specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef LLVM_TARGET_MSP430_TARGETMACHINE_H
+#define LLVM_TARGET_MSP430_TARGETMACHINE_H
+
+#include "MSP430InstrInfo.h"
+#include "MSP430ISelLowering.h"
+#include "MSP430RegisterInfo.h"
+#include "MSP430Subtarget.h"
+#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetFrameInfo.h"
+#include "llvm/Target/TargetMachine.h"
+
+namespace llvm {
+
+/// MSP430TargetMachine
+///
+class MSP430TargetMachine : public LLVMTargetMachine {
+  MSP430Subtarget        Subtarget;
+  const TargetData       DataLayout;       // Calculates type size & alignment
+  MSP430InstrInfo        InstrInfo;
+  MSP430TargetLowering   TLInfo;
+
+  // MSP430 does not have any call stack frame, therefore not having
+  // any MSP430 specific FrameInfo class.
+  TargetFrameInfo       FrameInfo;
+
+protected:
+  virtual const TargetAsmInfo *createTargetAsmInfo() const;
+
+public:
+  MSP430TargetMachine(const Module &M, const std::string &FS);
+
+  virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
+  virtual const MSP430InstrInfo *getInstrInfo() const  { return &InstrInfo; }
+  virtual const TargetData *getTargetData() const     { return &DataLayout;}
+  virtual const MSP430Subtarget *getSubtargetImpl() const { return &Subtarget; }
+
+  virtual const TargetRegisterInfo *getRegisterInfo() const {
+    return &InstrInfo.getRegisterInfo();
+  }
+
+  virtual MSP430TargetLowering *getTargetLowering() const {
+    return const_cast<MSP430TargetLowering*>(&TLInfo);
+  }
+
+  virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
+  virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast,
+                                  bool Verbose, raw_ostream &Out);
+}; // MSP430TargetMachine.
+
+} // end namespace llvm
+
+#endif // LLVM_TARGET_MSP430_TARGETMACHINE_H