39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
//===- llvm/Codegen/LinkAllAsmWriterComponents.h ----------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This header file pulls in all assembler writer related passes for tools like
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// llc that need this functionality.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
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#define LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
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#include "llvm/IR/BuiltinGCs.h"
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#include "llvm/Support/AlwaysTrue.h"
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namespace {
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struct ForceAsmWriterLinking {
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ForceAsmWriterLinking() {
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// We must reference the plug-ins 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. This is so that globals in the translation
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// units where these functions are defined are forced to be initialized,
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// populating various registries.
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if (llvm::getNonFoldableAlwaysTrue())
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return;
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llvm::linkOcamlGCPrinter();
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llvm::linkErlangGCPrinter();
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}
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} ForceAsmWriterLinking; // Force link by creating a global definition.
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}
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#endif // LLVM_CODEGEN_LINKALLASMWRITERCOMPONENTS_H
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