[X86] Remove some llvm_unreachables after switches that already have an unreachable...

[oota-llvm.git] / lib / Target / NVPTX / NVPTXSubtarget.cpp

diff --git a/lib/Target/NVPTX/NVPTXSubtarget.cpp b/lib/Target/NVPTX/NVPTXSubtarget.cpp
index f456891fb14a1f9a1e18b4a47aa57190fcf71db0..bd2509a3c8c93f31b7c4d8b522bc9d4c21959abe 100644 (file)
--- a/lib/Target/NVPTX/NVPTXSubtarget.cpp
+++ b/lib/Target/NVPTX/NVPTXSubtarget.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "NVPTXSubtarget.h"
+#include "NVPTXTargetMachine.h"
 
 using namespace llvm;
 
@@ -42,18 +43,19 @@ NVPTXSubtarget &NVPTXSubtarget::initializeSubtargetDependencies(StringRef CPU,
   return *this;
 }
 
-NVPTXSubtarget::NVPTXSubtarget(const std::string &TT, const std::string &CPU,
-                               const std::string &FS, const TargetMachine &TM,
-                               bool is64Bit)
-    : NVPTXGenSubtargetInfo(TT, CPU, FS), Is64Bit(is64Bit), PTXVersion(0),
-      SmVersion(20), InstrInfo(initializeSubtargetDependencies(CPU, FS)),
-      TLInfo((const NVPTXTargetMachine &)TM, *this), TSInfo(TM.getDataLayout()),
-      FrameLowering(*this) {
-
-  Triple T(TT);
-
-  if (T.getOS() == Triple::NVCL)
-    drvInterface = NVPTX::NVCL;
-  else
-    drvInterface = NVPTX::CUDA;
+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;
 }