LLVM  6.0.0svn
LinkAllAsmWriterComponents.h
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1 //===- llvm/Codegen/LinkAllAsmWriterComponents.h ----------------*- 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 header file pulls in all assembler writer related passes for tools like
11 // llc that need this functionality.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
16 #define LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
17 
18 #include "llvm/CodeGen/GCs.h"
19 #include <cstdlib>
20 
21 namespace {
22  struct ForceAsmWriterLinking {
23  ForceAsmWriterLinking() {
24  // We must reference the plug-ins in such a way that compilers will not
25  // delete it all as dead code, even with whole program optimization,
26  // yet is effectively a NO-OP. As the compiler isn't smart enough
27  // to know that getenv() never returns -1, this will do the job.
28  if (std::getenv("bar") != (char*) -1)
29  return;
30 
33 
34  }
35  } ForceAsmWriterLinking; // Force link by creating a global definition.
36 }
37 
38 #endif // LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
void linkErlangGCPrinter()
Creates an erlang-compatible metadata printer.
void linkOcamlGCPrinter()
Creates an ocaml-compatible metadata printer.