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_LIB_TARGET_NVPTX_NVPTXSECTION_H
15 #define LLVM_LIB_TARGET_NVPTX_NVPTXSECTION_H
16 
17 #include "llvm/IR/GlobalVariable.h"
18 #include "llvm/MC/MCSection.h"
19 #include <vector>
20 
21 namespace llvm {
22 /// Represents a section in PTX PTX does not have sections. We create this class
23 /// in order to use the ASMPrint interface.
24 ///
25 class NVPTXSection final : public MCSection {
26   virtual void anchor();
27 public:
NVPTXSection(SectionVariant V,SectionKind K)28   NVPTXSection(SectionVariant V, SectionKind K) : MCSection(V, K, nullptr) {}
~NVPTXSection()29   ~NVPTXSection() {}
30 
31   /// Override this as NVPTX has its own way of printing switching
32   /// to a section.
PrintSwitchToSection(const MCAsmInfo & MAI,raw_ostream & OS,const MCExpr * Subsection)33   void PrintSwitchToSection(const MCAsmInfo &MAI,
34                             raw_ostream &OS,
35                             const MCExpr *Subsection) const override {}
36 
37   /// Base address of PTX sections is zero.
UseCodeAlign()38   bool UseCodeAlign() const override { return false; }
isVirtualSection()39   bool isVirtualSection() const override { return false; }
40 };
41 
42 } // end namespace llvm
43 
44 #endif
45