//===----------------------------------------------------------------------===//
#include "NVPTXSubtarget.h"
+#include "NVPTXTargetMachine.h"
using namespace llvm;
// Pin the vtable to this file.
void NVPTXSubtarget::anchor() {}
-NVPTXSubtarget::NVPTXSubtarget(const std::string &TT, const std::string &CPU,
- const std::string &FS, bool is64Bit)
- : NVPTXGenSubtargetInfo(TT, CPU, FS), Is64Bit(is64Bit), PTXVersion(0),
- SmVersion(20) {
-
- Triple T(TT);
-
- if (T.getOS() == Triple::NVCL)
- drvInterface = NVPTX::NVCL;
- else
- drvInterface = NVPTX::CUDA;
-
- // Provide the default CPU if we don't have one.
+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);
- // We default to PTX 3.1, but we cannot just default to it in the initializer
- // since the attribute parser checks if the given option is >= the default.
- // So if we set ptx31 as the default, the ptx30 attribute would never match.
- // Instead, we use 0 as the default and manually set 31 if the default is
- // used.
+ // Set default to PTX 3.2 (CUDA 5.5)
if (PTXVersion == 0) {
- PTXVersion = 31;
+ 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;
}