mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Pietro Fezzardi
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
#include <llvm/IR/DerivedTypes.h>
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#include <llvm/IR/GlobalVariable.h>
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#include <llvm/IR/InstrTypes.h>
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#include <llvm/IR/Instruction.h>
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#include <llvm/IR/Type.h>
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#include <llvm/IR/Value.h>
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#include <clang/AST/ASTContext.h>
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#include <revng/Support/Assert.h>
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#include "IRASTTypeTranslation.h"
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namespace IRASTTypeTranslation {
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clang::QualType getQualType(const llvm::Type *Ty, clang::ASTContext &C) {
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clang::QualType Result;
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switch (Ty->getTypeID()) {
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case llvm::Type::TypeID::IntegerTyID: {
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auto *LLVMIntType = llvm::cast<llvm::IntegerType>(Ty);
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unsigned BitWidth = LLVMIntType->getBitWidth();
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revng_assert(BitWidth == 1 or BitWidth == 8 or BitWidth == 16
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or BitWidth == 32 or BitWidth == 64 or BitWidth == 128);
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if (BitWidth == 1)
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BitWidth = 8;
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Result = C.getIntTypeForBitwidth(BitWidth, /* Signed */ false);
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} break;
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case llvm::Type::TypeID::PointerTyID: {
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const llvm::PointerType *PtrTy = llvm::cast<llvm::PointerType>(Ty);
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const llvm::Type *PointeeTy = PtrTy->getElementType();
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clang::QualType PointeeType = getQualType(PointeeTy, C);
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Result = C.getPointerType(PointeeType);
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} break;
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case llvm::Type::TypeID::VoidTyID:
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case llvm::Type::TypeID::MetadataTyID: {
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Result = C.VoidTy;
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} break;
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case llvm::Type::TypeID::ArrayTyID:
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case llvm::Type::TypeID::StructTyID:
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case llvm::Type::TypeID::FunctionTyID:
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case llvm::Type::TypeID::VectorTyID:
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case llvm::Type::TypeID::LabelTyID:
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case llvm::Type::TypeID::X86_MMXTyID:
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case llvm::Type::TypeID::TokenTyID:
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case llvm::Type::TypeID::HalfTyID:
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case llvm::Type::TypeID::FloatTyID:
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case llvm::Type::TypeID::DoubleTyID:
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case llvm::Type::TypeID::X86_FP80TyID:
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case llvm::Type::TypeID::FP128TyID:
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case llvm::Type::TypeID::PPC_FP128TyID:
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revng_abort();
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}
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revng_assert(not Result.isNull());
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return Result;
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}
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clang::QualType
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getQualType(const llvm::GlobalVariable *G, clang::ASTContext &C) {
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llvm::PointerType *GlobalPtrTy = llvm::cast<llvm::PointerType>(G->getType());
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llvm::Type *Ty = GlobalPtrTy->getElementType();
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return getQualType(Ty, C);
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}
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clang::QualType getQualType(const llvm::Value *I, clang::ASTContext &C) {
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llvm::Type *Ty = I->getType();
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return getQualType(Ty, C);
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}
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} // end namespace IRASTTypeTranslation
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