37 class RSX86TranslateGEPPass : public llvm::FunctionPass {
40   llvm::LLVMContext *Context;
41   const llvm::DataLayout DL;
44   bool GEPIndexesStructType(const llvm::GetElementPtrInst *GEP) {  in GEPIndexesStructType()
45     for (llvm::gep_type_iterator GTI = gep_type_begin(GEP),  in GEPIndexesStructType()
48       if (llvm::dyn_cast<llvm::StructType>(*GTI)) {  in GEPIndexesStructType()
56   llvm::Value *incrementOffset(llvm::Value *accum, llvm::Value *incr,  in incrementOffset()
57                                llvm::Instruction *InsertBefore) {  in incrementOffset()
60     return llvm::BinaryOperator::CreateAdd(accum, incr, "", InsertBefore);  in incrementOffset()
69   llvm::Value *computeGEPOffset(llvm::GetElementPtrInst *GEP) {  in computeGEPOffset()
70     llvm::Value *Offset = nullptr;  in computeGEPOffset()
72     for (llvm::gep_type_iterator GTI = gep_type_begin(GEP),  in computeGEPOffset()
75       if (llvm::StructType *STy = llvm::dyn_cast<llvm::StructType>(*GTI)) {  in computeGEPOffset()
76         llvm::ConstantInt *OpC = llvm::dyn_cast<llvm::ConstantInt>(GTI.getOperand());  in computeGEPOffset()
83         const llvm::StructLayout *SL = DL.getStructLayout(STy);  in computeGEPOffset()
85         llvm::Value *Incr = llvm::ConstantInt::get(  in computeGEPOffset()
86                                 llvm::Type::getInt32Ty(*Context), EltOffset);  in computeGEPOffset()
90         llvm::Value *EltSize = llvm::ConstantInt::get(  in computeGEPOffset()
91                                  llvm::Type::getInt32Ty(*Context),  in computeGEPOffset()
93         llvm::Value *Incr = llvm::BinaryOperator::CreateMul(  in computeGEPOffset()
103   void translateGEP(llvm::GetElementPtrInst *GEP) {  in translateGEP()
105     llvm::CastInst *Int8Ptr = llvm::CastInst::CreatePointerCast(  in translateGEP()
107                                   llvm::Type::getInt8PtrTy(*Context),  in translateGEP()
110     llvm::Value *Indices[1] = {computeGEPOffset(GEP)};  in translateGEP()
113     llvm::GetElementPtrInst *Int8PtrGEP = llvm::GetElementPtrInst::Create(  in translateGEP()
114         llvm::Type::getInt8Ty(*Context), Int8Ptr, llvm::makeArrayRef(Indices),  in translateGEP()
119     llvm::CastInst *OutCast = llvm::CastInst::CreatePointerCast(  in translateGEP()
130   virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {  in getAnalysisUsage()
136   virtual bool runOnFunction(llvm::Function &F) override {  in runOnFunction()
143     std::vector<llvm::GetElementPtrInst *> GEPsToHandle;  in runOnFunction()
147         if (auto *GEP = llvm::dyn_cast<llvm::GetElementPtrInst>(&I)) {  in runOnFunction()
176 llvm::FunctionPass *