mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-25 00:33:15 +00:00
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
|
//===- ExecutionEngine.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 interpreter to link in on certain operating systems.
|
||
|
|
// (Windows).
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef EXECUTION_ENGINE_INTERPRETER_H
|
||
|
|
#define EXECUTION_ENGINE_INTERPRETER_H
|
||
|
|
|
||
|
|
#include "llvm/ExecutionEngine/ExecutionEngine.h"
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
extern void LinkInInterpreter();
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
struct ForceInterpreterLinking {
|
||
|
|
ForceInterpreterLinking() {
|
||
|
|
// 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::LinkInInterpreter();
|
||
|
|
}
|
||
|
|
} ForceInterpreterLinking;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|