diff options
Diffstat (limited to 'lib/Target/NVPTX/NVPTXSubtarget.cpp')
-rw-r--r-- | lib/Target/NVPTX/NVPTXSubtarget.cpp | 57 |
1 files changed, 33 insertions, 24 deletions
diff --git a/lib/Target/NVPTX/NVPTXSubtarget.cpp b/lib/Target/NVPTX/NVPTXSubtarget.cpp index 8c7df52..d5cded2 100644 --- a/lib/Target/NVPTX/NVPTXSubtarget.cpp +++ b/lib/Target/NVPTX/NVPTXSubtarget.cpp @@ -25,10 +25,41 @@ using namespace llvm; // Pin the vtable to this file. void NVPTXSubtarget::anchor() {} +static std::string computeDataLayout(bool is64Bit) { + std::string Ret = "e"; + + if (!is64Bit) + Ret += "-p:32:32"; + + Ret += "-i64:64-v16:16-v32:32-n16:32:64"; + + return Ret; +} + +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); + + // Set default to PTX 3.2 (CUDA 5.5) + if (PTXVersion == 0) { + PTXVersion = 32; + } + + return *this; +} + NVPTXSubtarget::NVPTXSubtarget(const std::string &TT, const std::string &CPU, - const std::string &FS, bool is64Bit) + const std::string &FS, const TargetMachine &TM, + bool is64Bit) : NVPTXGenSubtargetInfo(TT, CPU, FS), Is64Bit(is64Bit), PTXVersion(0), - SmVersion(20) { + SmVersion(20), DL(computeDataLayout(is64Bit)), + InstrInfo(initializeSubtargetDependencies(CPU, FS)), + TLInfo((NVPTXTargetMachine &)TM), TSInfo(&DL), FrameLowering(*this) { Triple T(TT); @@ -36,26 +67,4 @@ NVPTXSubtarget::NVPTXSubtarget(const std::string &TT, const std::string &CPU, drvInterface = NVPTX::NVCL; else drvInterface = NVPTX::CUDA; - - // Provide the default CPU if none - std::string defCPU = "sm_20"; - - ParseSubtargetFeatures((CPU.empty() ? defCPU : CPU), FS); - - // Get the TargetName from the FS if available - if (FS.empty() && CPU.empty()) - TargetName = defCPU; - else if (!CPU.empty()) - TargetName = CPU; - else - llvm_unreachable("we are not using FeatureStr"); - - // 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; - } } |