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//===----- LinkAllIR.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_LINKALLIR_H
#define LLVM_LINKALLIR_H
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/MathExtras.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 <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
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