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Diffstat (limited to 'contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.h')
-rw-r--r-- | contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.h b/contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.h new file mode 100644 index 000000000000..004be116a96c --- /dev/null +++ b/contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.h @@ -0,0 +1,96 @@ +//=====-- NVPTXSubtarget.h - Define Subtarget for the NVPTX ---*- 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 NVPTX specific subclass of TargetSubtarget. +// +//===----------------------------------------------------------------------===// + +#ifndef NVPTXSUBTARGET_H +#define NVPTXSUBTARGET_H + +#include "NVPTX.h" +#include "llvm/Target/TargetSubtargetInfo.h" + +#define GET_SUBTARGETINFO_HEADER +#include "NVPTXGenSubtargetInfo.inc" + +#include <string> + +namespace llvm { + +class NVPTXSubtarget : public NVPTXGenSubtargetInfo { + virtual void anchor(); + std::string TargetName; + NVPTX::DrvInterface drvInterface; + bool Is64Bit; + + // PTX version x.y is represented as 10*x+y, e.g. 3.1 == 31 + unsigned PTXVersion; + + // SM version x.y is represented as 10*x+y, e.g. 3.1 == 31 + unsigned int SmVersion; + +public: + /// This constructor initializes the data members to match that + /// of the specified module. + /// + NVPTXSubtarget(const std::string &TT, const std::string &CPU, + const std::string &FS, bool is64Bit); + + bool hasBrkPt() const { return SmVersion >= 11; } + bool hasAtomRedG32() const { return SmVersion >= 11; } + bool hasAtomRedS32() const { return SmVersion >= 12; } + bool hasAtomRedG64() const { return SmVersion >= 12; } + bool hasAtomRedS64() const { return SmVersion >= 20; } + bool hasAtomRedGen32() const { return SmVersion >= 20; } + bool hasAtomRedGen64() const { return SmVersion >= 20; } + bool hasAtomAddF32() const { return SmVersion >= 20; } + bool hasVote() const { return SmVersion >= 12; } + bool hasDouble() const { return SmVersion >= 13; } + bool reqPTX20() const { return SmVersion >= 20; } + bool hasF32FTZ() const { return SmVersion >= 20; } + bool hasFMAF32() const { return SmVersion >= 20; } + bool hasFMAF64() const { return SmVersion >= 13; } + bool hasLDG() const { return SmVersion >= 32; } + bool hasLDU() const { return SmVersion >= 20; } + bool hasGenericLdSt() const { return SmVersion >= 20; } + inline bool hasHWROT32() const { return false; } + inline bool hasSWROT32() const { return true; } + inline bool hasROT32() const { return hasHWROT32() || hasSWROT32(); } + inline bool hasROT64() const { return SmVersion >= 20; } + + bool is64Bit() const { return Is64Bit; } + + unsigned int getSmVersion() const { return SmVersion; } + NVPTX::DrvInterface getDrvInterface() const { return drvInterface; } + std::string getTargetName() const { return TargetName; } + + unsigned getPTXVersion() const { return PTXVersion; } + + void ParseSubtargetFeatures(StringRef CPU, StringRef FS); + + std::string getDataLayout() const { + const char *p; + if (is64Bit()) + p = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-" + "f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-" + "n16:32:64"; + else + p = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-" + "f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-" + "n16:32:64"; + + return std::string(p); + } + +}; + +} // End llvm namespace + +#endif // NVPTXSUBTARGET_H |