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75d5f2cf7a
As to not conflict with the legacy PM example passes under llvm/lib/Transforms/Hello, this is under HelloNew. This makes the CMakeLists.txt and general directory structure less confusing for people following the example. Much of the doc structure was taken from WritinAnLLVMPass.rst. This adds a HelloWorld pass which simply prints out each function name. More will follow after this, e.g. passes over different units of IR, analyses. https://llvm.org/docs/WritingAnLLVMPass.html contains a lot more. Relanded with missing "Support" dependency in LLVMBuild.txt. Reviewed By: ychen, asbirlea Differential Revision: https://reviews.llvm.org/D86979
18 lines
633 B
C++
18 lines
633 B
C++
//===-- HelloWorld.cpp - Example Transformations --------------------------===//
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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 "llvm/Transforms/HelloNew/HelloWorld.h"
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using namespace llvm;
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PreservedAnalyses HelloWorldPass::run(Function &F,
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FunctionAnalysisManager &AM) {
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errs() << F.getName() << "\n";
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return PreservedAnalyses::all();
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}
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