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https://github.com/revng/revng
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Alvise de Faveri
bda519b3e2
This pass is in charge of creating all the primitive types for any of the typical sizes used for numbers.
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
//
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// Copyright (c) rev.ng Srls. See LICENSE.md for details.
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//
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#include "revng/Model/LoadModelPass.h"
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#include "revng/Model/Type.h"
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#include "revng-c/Decompiler/AddPrimitiveTypesPass.h"
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char AddPrimitiveTypesPass::ID = 0;
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using Register = llvm::RegisterPass<AddPrimitiveTypesPass>;
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static ::Register
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X("add-primitives", "Pass to add primitive types to Model", false, false);
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void AddPrimitiveTypesPass::getAnalysisUsage(llvm::AnalysisUsage &AU) const {
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AU.addRequired<LoadModelWrapperPass>();
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AU.setPreservesAll();
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}
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using namespace model::PrimitiveTypeKind;
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bool AddPrimitiveTypesPass::runOnModule(llvm::Module &M) {
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auto &ModelWrapper = getAnalysis<LoadModelWrapperPass>().get();
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auto &WritableModel = ModelWrapper.getWriteableModel();
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// For each of these types, we want to have in the model a corresponding
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// PrimitiveType for each possible dimension
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static constexpr const Values PrimitiveTypes[] = {
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Generic, PointerOrNumber, Number, Unsigned, Signed
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};
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// TODO: Add 128-bit numbers if needed
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static constexpr const uint8_t Sizes[] = { 1, 2, 4, 8 };
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// getPrimitiveType() creates the type if it does not exist
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for (auto &Type : PrimitiveTypes)
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for (auto &Size : Sizes)
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WritableModel->getPrimitiveType(Type, Size);
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return true;
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}
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