using namespace llvm;
-// 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));
-}
+
+// pin 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, "", FS), // Don't pass CPU to subtarget,
- // because we don't register all
- // nvptx targets.
- Is64Bit(is64Bit) {
+ : NVPTXGenSubtargetInfo(TT, CPU, FS), Is64Bit(is64Bit), PTXVersion(0),
+ SmVersion(20) {
- drvInterface = DriverInterface;
+ Triple T(TT);
+
+ if (T.getOS() == Triple::NVCL)
+ drvInterface = NVPTX::NVCL;
+ else
+ drvInterface = NVPTX::CUDA;
// Provide the default CPU if none
- std::string defCPU = "sm_10";
+ std::string defCPU = "sm_20";
+
+ ParseSubtargetFeatures((CPU.empty() ? defCPU : CPU), FS);
// Get the TargetName from the FS if available
if (FS.empty() && CPU.empty())
else
llvm_unreachable("we are not using FeatureStr");
- // Set up the SmVersion
- SmVersion = atoi(TargetName.c_str()+3);
+ // 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.
+ if (PTXVersion == 0) {
+ PTXVersion = 31;
+ }
}