mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-18 10:31:57 +00:00
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
|
//===---- OrcMCJITReplacement.h - Orc-based MCJIT replacement ---*- 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 OrcMCJITReplacement to link in on certain operating systems.
|
||
|
|
// (Windows).
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef LLVM_EXECUTIONENGINE_ORCMCJITREPLACEMENT_H
|
||
|
|
#define LLVM_EXECUTIONENGINE_ORCMCJITREPLACEMENT_H
|
||
|
|
|
||
|
|
#include "llvm/ExecutionEngine/ExecutionEngine.h"
|
||
|
|
#include <cstdlib>
|
||
|
|
|
||
|
|
extern "C" void LLVMLinkInOrcMCJITReplacement();
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
struct ForceOrcMCJITReplacementLinking {
|
||
|
|
ForceOrcMCJITReplacementLinking() {
|
||
|
|
// We must reference OrcMCJITReplacement 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;
|
||
|
|
|
||
|
|
LLVMLinkInOrcMCJITReplacement();
|
||
|
|
}
|
||
|
|
} ForceOrcMCJITReplacementLinking;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|