mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
2e9c2ee275
FunctionTags goal is to solve the long-standing problem of identifying what type of function are we dealing with. Is it a lifted function? An helper? Now we have a sane way to determine this using Metadata and a proper API.
33 lines
856 B
C++
33 lines
856 B
C++
/// \file RemoveDbgMetadata.cpp
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/// \brief A simple pass to remove debug metadata from a function.
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//
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// This file is distributed under the MIT License. See LICENSE.md for details.
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//
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#include "llvm/IR/Function.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/Metadata.h"
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#include "revng/BasicAnalyses/RemoveDbgMetadata.h"
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#include "revng/Support/FunctionTags.h"
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using namespace llvm;
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char RemoveDbgMetadata::ID = 0;
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using Register = RegisterPass<RemoveDbgMetadata>;
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static Register X("remove-dbg-metadata", "Removes dbg metadata from Functions");
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bool RemoveDbgMetadata::runOnFunction(llvm::Function &F) {
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if (not FunctionTags::Lifted.isTagOf(&F))
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return false;
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F.setMetadata(LLVMContext::MD_dbg, nullptr);
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for (BasicBlock &BB : F)
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for (Instruction &I : BB)
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I.setMetadata(LLVMContext::MD_dbg, nullptr);
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return true;
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}
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