NVPTXSubtarget.cpp [plain text]
#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"
void NVPTXSubtarget::anchor() {}
NVPTXSubtarget &NVPTXSubtarget::initializeSubtargetDependencies(StringRef CPU,
StringRef FS) {
if (CPU.empty() && FS.size())
llvm_unreachable("we are not using FeatureStr");
TargetName = CPU.empty() ? "sm_20" : CPU;
ParseSubtargetFeatures(TargetName, FS);
if (PTXVersion == 0) {
PTXVersion = 32;
}
return *this;
}
NVPTXSubtarget::NVPTXSubtarget(const std::string &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)),
TSInfo(TM.getDataLayout()), FrameLowering() {}
bool NVPTXSubtarget::hasImageHandles() const {
if (TM.getDrvInterface() == NVPTX::CUDA)
return (SmVersion >= 30);
return false;
}