1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.cpp b/contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.cpp
new file mode 100644
index 0000000..bd2509a
--- /dev/null
+++ b/contrib/llvm/lib/Target/NVPTX/NVPTXSubtarget.cpp
@@ -0,0 +1,61 @@
+//===- NVPTXSubtarget.cpp - NVPTX Subtarget Information -------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the NVPTX specific subclass of TargetSubtarget.
+//
+//===----------------------------------------------------------------------===//
+
+#include "NVPTXSubtarget.h"
+#include "NVPTXTargetMachine.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "nvptx-subtarget"
+
+#define GET_SUBTARGETINFO_ENUM
+#define GET_SUBTARGETINFO_TARGET_DESC
+#define GET_SUBTARGETINFO_CTOR
+#include "NVPTXGenSubtargetInfo.inc"
+
+// Pin the vtable to this file.
+void NVPTXSubtarget::anchor() {}
+
+NVPTXSubtarget &NVPTXSubtarget::initializeSubtargetDependencies(StringRef CPU,
+                                                                StringRef FS) {
+    // Provide the default CPU if we don't have one.
+  if (CPU.empty() && FS.size())
+    llvm_unreachable("we are not using FeatureStr");
+  TargetName = CPU.empty() ? "sm_20" : CPU;
+
+  ParseSubtargetFeatures(TargetName, FS);
+
+  // Set default to PTX 3.2 (CUDA 5.5)
+  if (PTXVersion == 0) {
+    PTXVersion = 32;
+  }
+
+  return *this;
+}
+
+NVPTXSubtarget::NVPTXSubtarget(const Triple &TT, const std::string &CPU,
+                               const std::string &FS,
+                               const NVPTXTargetMachine &TM)
+    : NVPTXGenSubtargetInfo(TT, CPU, FS), PTXVersion(0), SmVersion(20), TM(TM),
+      InstrInfo(), TLInfo(TM, initializeSubtargetDependencies(CPU, FS)),
+      FrameLowering() {}
+
+bool NVPTXSubtarget::hasImageHandles() const {
+  // Enable handles for Kepler+, where CUDA supports indirect surfaces and
+  // textures
+  if (TM.getDrvInterface() == NVPTX::CUDA)
+    return (SmVersion >= 30);
+
+  // Disabled, otherwise
+  return false;
+}