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There is no need for this to be VC++ only

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23915 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-24 00:08:51 +00:00
parent 3db4b62c2f
commit 9b2b56ef75
1 changed files with 6 additions and 15 deletions
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21
include/llvm/Transforms/LinkAllPasses.h
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@ -7,17 +7,14 @@
//
//===----------------------------------------------------------------------===//
//
// This header file is required for building with Microsoft's VC++, as it has
// no way of linking all registered passes into executables other than by
// explicit use.
// This header file pulls in all transformation passes for tools like opts and
// bugpoint that need this functionality.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_LINKALLPASSES_H
#define LLVM_TRANSFORMS_LINKALLPASSES_H
#ifdef _MSC_VER
#include "llvm/Analysis/Passes.h"
#include "llvm/Analysis/LoadValueNumbering.h"
#include "llvm/CodeGen/Passes.h"
@ -25,20 +22,16 @@
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
// Trying not to include <windows.h>, though maybe we should... Problem is,
// it pollutes the global namespace in some really nasty ways.
extern "C" __declspec(dllimport) void* __stdcall GetCurrentProcess();
#include <cstdlib>
namespace {
struct ForcePassLinking {
ForcePassLinking() {
// We must reference the passes in such a way that VC++ will not
// 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 GetCurrentProcess() never returns
// INVALID_HANDLE_VALUE, this will do the job.
if (GetCurrentProcess() != (void *) -1)
// to know that getenv() never returns -1, this will do the job.
if (std::getenv("bar") != (char*) -1)
return;
(void) llvm::createAAEvalPass();
@ -120,6 +113,4 @@ namespace {
} _ForcePassLinking;
};
#endif // _MSC_VER
#endif