LLVM  10.0.0svn
LinkAllAsmWriterComponents.h
Go to the documentation of this file.
1 //===- llvm/Codegen/LinkAllAsmWriterComponents.h ----------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This header file pulls in all assembler writer related passes for tools like
10 // llc that need this functionality.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
15 #define LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
16 
18 #include <cstdlib>
19 
20 namespace {
21  struct ForceAsmWriterLinking {
22  ForceAsmWriterLinking() {
23  // We must reference the plug-ins in such a way that compilers will not
24  // delete it all as dead code, even with whole program optimization,
25  // yet is effectively a NO-OP. As the compiler isn't smart enough
26  // to know that getenv() never returns -1, this will do the job.
27  if (std::getenv("bar") != (char*) -1)
28  return;
29 
32 
33  }
34  } ForceAsmWriterLinking; // Force link by creating a global definition.
35 }
36 
37 #endif // LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
void linkErlangGCPrinter()
Creates an erlang-compatible metadata printer.
void linkOcamlGCPrinter()
Creates an ocaml-compatible metadata printer.