mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/// Serialize the results of the EarlyFunctionAnalysis on disk.
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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 <cstdio>
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/IR/InstrTypes.h"
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#include "llvm/Support/CommandLine.h"
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#include "revng/BasicAnalyses/GeneratedCodeBasicInfo.h"
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#include "revng/EarlyFunctionAnalysis/IndirectBranchInfoPrinterPass.h"
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#include "revng/Support/Assert.h"
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#include "revng/Support/IRHelpers.h"
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using namespace llvm;
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using IBIPP = IndirectBranchInfoPrinterPass;
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PreservedAnalyses IBIPP::run(Function &F, FunctionAnalysisManager &FAM) {
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auto &M = *F.getParent();
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for (auto *Call : callers(getIRHelper("indirect_branch_info", M)))
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if (Call->getParent()->getParent() == &F)
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serialize(Call);
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return PreservedAnalyses::all();
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}
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void IBIPP::serialize(CallBase *Call) {
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OS << Call->getParent()->getParent()->getName();
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for (unsigned I = 0; I < Call->arg_size(); ++I) {
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if (isa<ConstantInt>(Call->getArgOperand(I))) {
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OS << "," << cast<ConstantInt>(Call->getArgOperand(I))->getSExtValue();
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} else if (isa<StructType>(Call->getArgOperand(I)->getType())) {
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auto PC = MetaAddress::fromValue(Call->getArgOperand(I));
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OS << "," << PC.address();
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} else {
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OS << ",unknown";
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}
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}
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OS << "\n";
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}
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