mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
674be02d52
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172025 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
//===-- JIT.h - Abstract Execution Engine Interface -------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file 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_EXECUTIONENGINE_JIT_H
|
|
#define LLVM_EXECUTIONENGINE_JIT_H
|
|
|
|
#include "llvm/ExecutionEngine/ExecutionEngine.h"
|
|
#include <cstdlib>
|
|
|
|
extern "C" void LLVMLinkInJIT();
|
|
|
|
namespace {
|
|
struct ForceJITLinking {
|
|
ForceJITLinking() {
|
|
// We must reference JIT 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;
|
|
|
|
LLVMLinkInJIT();
|
|
}
|
|
} ForceJITLinking;
|
|
}
|
|
|
|
#endif
|