mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
//===- NVPTXSubtarget.cpp - NVPTX Subtarget Information -------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the NVPTX specific subclass of TargetSubtarget.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#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"
|
|
|
|
// 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, 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;
|
|
}
|