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//===- llvm/Codegen/LinkAllAsmWriterComponents.h ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header file pulls in all assembler writer related passes for tools like
// llc that need this functionality.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
#define LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
#include "llvm/CodeGen/GCs.h"
#include <cstdlib>
namespace {
struct ForceAsmWriterLinking {
ForceAsmWriterLinking() {
// We must reference the plug-ins in such a way that compilers will not
// delete it all as dead code, even with whole program optimization,
// yet is effectively a NO-OP. As the compiler isn't smart enough
// to know that getenv() never returns -1, this will do the job.
if (std::getenv("bar") != (char*) -1)
return;
llvm::linkOcamlGCPrinter();
llvm::linkErlangGCPrinter();
}
} ForceAsmWriterLinking; // Force link by creating a global definition.
}
#endif // LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
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