6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
//===----- LinkAllIR.h - Reference All VMCore Code --------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This header file pulls in all the object modules of the VMCore library so
|
|
// that tools like llc, opt, and lli can ensure they are linked with all symbols
|
|
// from libVMCore.a It should only be used from a tool's main program.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LINKALLIR_H
|
|
#define LLVM_LINKALLIR_H
|
|
|
|
#include "llvm/BinaryFormat/Dwarf.h"
|
|
#include "llvm/IR/InlineAsm.h"
|
|
#include "llvm/IR/Instructions.h"
|
|
#include "llvm/IR/LLVMContext.h"
|
|
#include "llvm/IR/Module.h"
|
|
#include "llvm/IR/Verifier.h"
|
|
#include "llvm/Support/DynamicLibrary.h"
|
|
#include "llvm/Support/MathExtras.h"
|
|
#include "llvm/Support/Memory.h"
|
|
#include "llvm/Support/Mutex.h"
|
|
#include "llvm/Support/Path.h"
|
|
#include "llvm/Support/Process.h"
|
|
#include "llvm/Support/Program.h"
|
|
#include "llvm/Support/Signals.h"
|
|
#include <cstdlib>
|
|
|
|
namespace {
|
|
struct ForceVMCoreLinking {
|
|
ForceVMCoreLinking() {
|
|
// We must reference VMCore 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.
|
|
// This is so that globals in the translation units where these functions
|
|
// are defined are forced to be initialized, populating various
|
|
// registries.
|
|
if (std::getenv("bar") != (char*) -1)
|
|
return;
|
|
llvm::LLVMContext Context;
|
|
(void)new llvm::Module("", Context);
|
|
(void)new llvm::UnreachableInst(Context);
|
|
(void) llvm::createVerifierPass();
|
|
}
|
|
} ForceVMCoreLinking;
|
|
}
|
|
|
|
#endif
|