llvm-6502/lib/Target/PTX/PTXSubtarget.h
2011-03-10 16:57:18 +00:00

71 lines
2.0 KiB
C++

//====-- PTXSubtarget.h - Define Subtarget for the PTX ---------*- 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 PTX specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
#ifndef PTX_SUBTARGET_H
#define PTX_SUBTARGET_H
#include "llvm/Target/TargetSubtarget.h"
namespace llvm {
class PTXSubtarget : public TargetSubtarget {
private:
enum PTXShaderModelEnum {
PTX_SM_1_0,
PTX_SM_1_3,
PTX_SM_2_0
};
enum PTXVersionEnum {
PTX_VERSION_1_4,
PTX_VERSION_2_0,
PTX_VERSION_2_1
};
/// Shader Model supported on the target GPU.
PTXShaderModelEnum PTXShaderModel;
/// PTX Language Version.
PTXVersionEnum PTXVersion;
// The native .f64 type is supported on the hardware.
bool SupportsDouble;
// Use .u64 instead of .u32 for addresses.
bool Use64BitAddresses;
public:
PTXSubtarget(const std::string &TT, const std::string &FS);
std::string getTargetString() const;
std::string getPTXVersionString() const;
bool supportsDouble() const { return SupportsDouble; }
bool use64BitAddresses() const { return Use64BitAddresses; }
bool supportsSM13() const { return PTXShaderModel >= PTX_SM_1_3; }
bool supportsSM20() const { return PTXShaderModel >= PTX_SM_2_0; }
bool supportsPTX20() const { return PTXVersion >= PTX_VERSION_2_0; }
bool supportsPTX21() const { return PTXVersion >= PTX_VERSION_2_1; }
std::string ParseSubtargetFeatures(const std::string &FS,
const std::string &CPU);
}; // class PTXSubtarget
} // namespace llvm
#endif // PTX_SUBTARGET_H