1 files changed, 118 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..3a0bfd221b0b
--- /dev/null
+++ b/contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.h
@@ -0,0 +1,118 @@
+//=====-- 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 LLVM_LIB_TARGET_NVPTX_NVPTXSUBTARGET_H
+#define LLVM_LIB_TARGET_NVPTX_NVPTXSUBTARGET_H
+
+#include "NVPTX.h"
+#include "NVPTXFrameLowering.h"
+#include "NVPTXISelLowering.h"
+#include "NVPTXInstrInfo.h"
+#include "NVPTXRegisterInfo.h"
+#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
+#include "llvm/CodeGen/TargetSubtargetInfo.h"
+#include "llvm/IR/DataLayout.h"
+#include <string>
+
+#define GET_SUBTARGETINFO_HEADER
+#include "NVPTXGenSubtargetInfo.inc"
+
+namespace llvm {
+
+class NVPTXSubtarget : public NVPTXGenSubtargetInfo {
+  virtual void anchor();
+  std::string TargetName;
+
+  // 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;
+
+  const NVPTXTargetMachine &TM;
+  NVPTXInstrInfo InstrInfo;
+  NVPTXTargetLowering TLInfo;
+  SelectionDAGTargetInfo TSInfo;
+
+  // NVPTX does not have any call stack frame, but need a NVPTX specific
+  // FrameLowering class because TargetFrameLowering is abstract.
+  NVPTXFrameLowering FrameLowering;
+
+protected:
+  // Processor supports scoped atomic operations.
+  bool HasAtomScope;
+
+public:
+  /// This constructor initializes the data members to match that
+  /// of the specified module.
+  ///
+  NVPTXSubtarget(const Triple &TT, const std::string &CPU,
+                 const std::string &FS, const NVPTXTargetMachine &TM);
+
+  const TargetFrameLowering *getFrameLowering() const override {
+    return &FrameLowering;
+  }
+  const NVPTXInstrInfo *getInstrInfo() const override { return &InstrInfo; }
+  const NVPTXRegisterInfo *getRegisterInfo() const override {
+    return &InstrInfo.getRegisterInfo();
+  }
+  const NVPTXTargetLowering *getTargetLowering() const override {
+    return &TLInfo;
+  }
+  const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
+    return &TSInfo;
+  }
+
+  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 hasAtomAddF64() const { return SmVersion >= 60; }
+  bool hasAtomScope() const { return HasAtomScope; }
+  bool hasAtomBitwise64() const { return SmVersion >= 32; }
+  bool hasAtomMinMax64() const { return SmVersion >= 32; }
+  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) && (SmVersion < 30)); }
+  bool hasGenericLdSt() const { return SmVersion >= 20; }
+  inline bool hasHWROT32() const { return SmVersion >= 32; }
+  inline bool hasSWROT32() const {
+    return ((SmVersion >= 20) && (SmVersion < 32));
+  }
+  inline bool hasROT32() const { return hasHWROT32() || hasSWROT32(); }
+  inline bool hasROT64() const { return SmVersion >= 20; }
+  bool hasImageHandles() const;
+  bool hasFP16Math() const { return SmVersion >= 53; }
+  bool allowFP16Math() const;
+
+  unsigned int getSmVersion() const { return SmVersion; }
+  std::string getTargetName() const { return TargetName; }
+
+  unsigned getPTXVersion() const { return PTXVersion; }
+
+  NVPTXSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
+  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
+};
+
+} // End llvm namespace
+
+#endif