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//===-- JIT.h - Abstract Execution Engine Interface -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Jeff Cohen and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file forces the JIT to link in on certain operating systems.
// (Windows).
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_EXECUTION_ENGINE_JIT_H
#define LLVM_EXECUTION_ENGINE_JIT_H
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include <cstdlib>
namespace llvm {
extern void LinkInJIT();
}
namespace {
struct ForceJITLinking {
ForceJITLinking() {
// We must reference the passes 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::LinkInJIT();
}
} ForceJITLinking;
}
#endif
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