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ea195a382e
At the same time, fixes InstructionsTest::CastInst unittest: yes you can leave the IR in an invalid state and exit when you don't destroy the context (like the global one), no longer now. This is the first part of http://reviews.llvm.org/D19094 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 266379
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
//===----- LinkAllIR.h - Reference All VMCore Code --------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header file pulls in all the object modules of the VMCore library so
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// that tools like llc, opt, and lli can ensure they are linked with all symbols
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// from libVMCore.a It should only be used from a tool's main program.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LINKALLIR_H
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#define LLVM_LINKALLIR_H
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#include "llvm/IR/InlineAsm.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/IntrinsicInst.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/Verifier.h"
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#include "llvm/Support/Dwarf.h"
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#include "llvm/Support/DynamicLibrary.h"
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#include "llvm/Support/MathExtras.h"
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#include "llvm/Support/Memory.h"
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#include "llvm/Support/Mutex.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Process.h"
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#include "llvm/Support/Program.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/TimeValue.h"
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#include <cstdlib>
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namespace {
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struct ForceVMCoreLinking {
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ForceVMCoreLinking() {
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// We must reference VMCore in such a way that compilers will not
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// delete it all as dead code, even with whole program optimization,
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// yet is effectively a NO-OP. As the compiler isn't smart enough
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// to know that getenv() never returns -1, this will do the job.
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if (std::getenv("bar") != (char*) -1)
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return;
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llvm::LLVMContext Context;
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(void)new llvm::Module("", Context);
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(void)new llvm::UnreachableInst(Context);
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(void) llvm::createVerifierPass();
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}
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} ForceVMCoreLinking;
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}
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#endif
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