1 //===- llvm/Codegen/LinkAllAsmWriterComponents.h ----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This header file pulls in all assembler writer related passes for tools like
11 // llc that need this functionality.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
16 #define LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
18 #include "llvm/CodeGen/GCs.h"
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)
30 llvm::linkOcamlGCPrinter();
33 } ForceAsmWriterLinking; // Force link by creating a global definition.
36 #endif // LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H