NVPTXSection.h revision 263508 
1//===- NVPTXSection.h - NVPTX-specific section representation -*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares the NVPTXSection class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_NVPTXSECTION_H
15#define LLVM_NVPTXSECTION_H
16
17#include "llvm/IR/GlobalVariable.h"
18#include "llvm/MC/MCSection.h"
19#include <vector>
20
21namespace llvm {
22/// NVPTXSection - Represents a section in PTX
23/// PTX does not have sections. We create this class in order to use
24/// the ASMPrint interface.
25///
26class NVPTXSection : public MCSection {
27  virtual void anchor();
28public:
29  NVPTXSection(SectionVariant V, SectionKind K) : MCSection(V, K) {}
30  virtual ~NVPTXSection() {}
31
32  /// Override this as NVPTX has its own way of printing switching
33  /// to a section.
34  virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
35                                    raw_ostream &OS,
36                                    const MCExpr *Subsection) const {}
37
38  /// Base address of PTX sections is zero.
39  virtual bool isBaseAddressKnownZero() const { return true; }
40  virtual bool UseCodeAlign() const { return false; }
41  virtual bool isVirtualSection() const { return false; }
42  virtual std::string getLabelBeginName() const { return ""; }
43  virtual std::string getLabelEndName() const { return ""; }
44};
45
46} // end namespace llvm
47
48#endif
49