llvm-6502/include/llvm/LinkAllVMCore.h
Michael J. Spencer 1f6efa3996 Merge System into Support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-29 18:16:10 +00:00

55 lines
1.9 KiB
C++

//===- LinkAllVMCore.h - Reference All VMCore Code --------------*- 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 the object modules of the VMCore library so
// that tools like llc, opt, and lli can ensure they are linked with all symbols
// from libVMCore.a It should only be used from a tool's main program.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LINKALLVMCORE_H
#define LLVM_LINKALLVMCORE_H
#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/InlineAsm.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Support/Alarm.h"
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/Memory.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/TimeValue.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/MathExtras.h"
#include <cstdlib>
namespace {
struct ForceVMCoreLinking {
ForceVMCoreLinking() {
// We must reference VMCore 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;
(void)new llvm::Module("", llvm::getGlobalContext());
(void)new llvm::UnreachableInst(llvm::getGlobalContext());
(void) llvm::createVerifierPass();
}
} ForceVMCoreLinking;
}
#endif