//===----------------------------------------------------------------------===//
#include "NVPTXSubtarget.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"
-using namespace llvm;
+// Pin the vtable to this file.
+void NVPTXSubtarget::anchor() {}
-// Select Driver Interface
-#include "llvm/Support/CommandLine.h"
-namespace {
-cl::opt<NVPTX::DrvInterface>
-DriverInterface(cl::desc("Choose driver interface:"),
- cl::values(
- clEnumValN(NVPTX::NVCL, "drvnvcl", "Nvidia OpenCL driver"),
- clEnumValN(NVPTX::CUDA, "drvcuda", "Nvidia CUDA driver"),
- clEnumValN(NVPTX::TEST, "drvtest", "Plain Test"),
- clEnumValEnd),
- cl::init(NVPTX::NVCL));
-}
-
-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(10) {
+static std::string computeDataLayout(bool is64Bit) {
+ std::string Ret = "e";
- drvInterface = DriverInterface;
+ if (!is64Bit)
+ Ret += "-p:32:32";
- // Provide the default CPU if none
- std::string defCPU = "sm_10";
+ Ret += "-i64:64-v16:16-v32:32-n16:32:64";
- ParseSubtargetFeatures((CPU.empty() ? defCPU : CPU), FS);
+ return Ret;
+}
- // Get the TargetName from the FS if available
- if (FS.empty() && CPU.empty())
- TargetName = defCPU;
- else if (!CPU.empty())
- TargetName = CPU;
- else
+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 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), DL(computeDataLayout(is64Bit)),
+ InstrInfo(initializeSubtargetDependencies(CPU, FS)),
+ TLInfo((const NVPTXTargetMachine &)TM), TSInfo(&DL),
+ FrameLowering(*this) {
+
+ Triple T(TT);
+
+ if (T.getOS() == Triple::NVCL)
+ drvInterface = NVPTX::NVCL;
+ else
+ drvInterface = NVPTX::CUDA;
}