19658d1474
## Purpose This patch is one in a series of code-mods that annotate LLVM’s public interface for export. This patch annotates the `llvm/Target` library. These annotations currently have no meaningful impact on the LLVM build; however, they are a prerequisite to support an LLVM Windows DLL (shared library) build. ## Background This effort is tracked in #109483. Additional context is provided in [this discourse](https://discourse.llvm.org/t/psa-annotating-llvm-public-interface/85307), and documentation for `LLVM_ABI` and related annotations is found in the LLVM repo [here](https://github.com/llvm/llvm-project/blob/main/llvm/docs/InterfaceExportAnnotations.rst). A sub-set of these changes were generated automatically using the [Interface Definition Scanner (IDS)](https://github.com/compnerd/ids) tool, followed formatting with `git clang-format`. The bulk of this change is manual additions of `LLVM_ABI` to `LLVMInitializeX` functions defined in .cpp files under llvm/lib/Target. Adding `LLVM_ABI` to the function implementation is required here because they do not `#include "llvm/Support/TargetSelect.h"`, which contains the declarations for this functions and was already updated with `LLVM_ABI` in a previous patch. I considered patching these files with `#include "llvm/Support/TargetSelect.h"` instead, but since TargetSelect.h is a large file with a bunch of preprocessor x-macro stuff in it I was concerned it would unnecessarily impact compile times. In addition, a number of unit tests under llvm/unittests/Target required additional dependencies to make them build correctly against the LLVM DLL on Windows using MSVC. ## Validation Local builds and tests to validate cross-platform compatibility. This included llvm, clang, and lldb on the following configurations: - Windows with MSVC - Windows with Clang - Linux with GCC - Linux with Clang - Darwin with Clang
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
//===-- MipsTargetInfo.cpp - Mips Target Implementation -------------------===//
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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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#include "TargetInfo/MipsTargetInfo.h"
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#include "llvm/MC/TargetRegistry.h"
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#include "llvm/Support/Compiler.h"
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using namespace llvm;
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Target &llvm::getTheMipsTarget() {
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static Target TheMipsTarget;
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return TheMipsTarget;
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}
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Target &llvm::getTheMipselTarget() {
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static Target TheMipselTarget;
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return TheMipselTarget;
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}
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Target &llvm::getTheMips64Target() {
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static Target TheMips64Target;
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return TheMips64Target;
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}
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Target &llvm::getTheMips64elTarget() {
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static Target TheMips64elTarget;
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return TheMips64elTarget;
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}
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extern "C" LLVM_ABI LLVM_EXTERNAL_VISIBILITY void
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LLVMInitializeMipsTargetInfo() {
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RegisterTarget<Triple::mips,
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/*HasJIT=*/true>
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X(getTheMipsTarget(), "mips", "MIPS (32-bit big endian)", "Mips");
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RegisterTarget<Triple::mipsel,
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/*HasJIT=*/true>
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Y(getTheMipselTarget(), "mipsel", "MIPS (32-bit little endian)", "Mips");
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RegisterTarget<Triple::mips64,
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/*HasJIT=*/true>
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A(getTheMips64Target(), "mips64", "MIPS (64-bit big endian)", "Mips");
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RegisterTarget<Triple::mips64el,
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/*HasJIT=*/true>
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B(getTheMips64elTarget(), "mips64el", "MIPS (64-bit little endian)",
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"Mips");
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}
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