llvm-6502/lib/Target/NVPTX/NVPTXSubtarget.cpp
Daniel Sanders 4d13f315d1 Replace string GNU Triples with llvm::Triple in MCSubtargetInfo and create*MCSubtargetInfo(). NFC.
Summary:
This continues the patch series to eliminate StringRef forms of GNU triples
from the internals of LLVM that began in r239036.

Reviewers: rafael

Reviewed By: rafael

Subscribers: rafael, ted, jfb, llvm-commits, rengolin, jholewinski

Differential Revision: http://reviews.llvm.org/D10311


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239467 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-10 12:11:26 +00:00

62 lines
1.9 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"
#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"
// Pin the vtable to this file.
void NVPTXSubtarget::anchor() {}
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 Triple &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 {
// Enable handles for Kepler+, where CUDA supports indirect surfaces and
// textures
if (TM.getDrvInterface() == NVPTX::CUDA)
return (SmVersion >= 30);
// Disabled, otherwise
return false;
}