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Diffstat (limited to 'lib/Target/SystemZ/SystemZISelLowering.h')
-rw-r--r-- | lib/Target/SystemZ/SystemZISelLowering.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZISelLowering.h b/lib/Target/SystemZ/SystemZISelLowering.h new file mode 100644 index 0000000..ca9918d --- /dev/null +++ b/lib/Target/SystemZ/SystemZISelLowering.h @@ -0,0 +1,49 @@ +//==-- SystemZISelLowering.h - SystemZ DAG Lowering Interface ----*- C++ -*-==// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines the interfaces that SystemZ uses to lower LLVM code into a +// selection DAG. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_TARGET_SystemZ_ISELLOWERING_H +#define LLVM_TARGET_SystemZ_ISELLOWERING_H + +#include "SystemZ.h" +#include "llvm/CodeGen/SelectionDAG.h" +#include "llvm/Target/TargetLowering.h" + +namespace llvm { + namespace SystemZISD { + enum { + FIRST_NUMBER = ISD::BUILTIN_OP_END + }; + } + + class SystemZSubtarget; + class SystemZTargetMachine; + + class SystemZTargetLowering : public TargetLowering { + public: + explicit SystemZTargetLowering(SystemZTargetMachine &TM); + + /// LowerOperation - Provide custom lowering hooks for some operations. + virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG); + + /// getTargetNodeName - This method returns the name of a target specific + /// DAG node. + virtual const char *getTargetNodeName(unsigned Opcode) const; + + private: + const SystemZSubtarget &Subtarget; + const SystemZTargetMachine &TM; + }; +} // namespace llvm + +#endif // LLVM_TARGET_SystemZ_ISELLOWERING_H |