Cross Reference: /frameworks/compile/libbcc/lib/RSX86TranslateGEPPass.cpp

Lines Matching refs:llvm
24 #include <llvm/IR/Function.h>
25 #include <llvm/IR/Instructions.h>
26 #include <llvm/IR/Module.h>
27 #include <llvm/Pass.h>
28 #include <llvm/IR/GetElementPtrTypeIterator.h>
37 class RSX86TranslateGEPPass : public llvm::FunctionPass {
40   llvm::LLVMContext *Context;
41   const llvm::DataLayout DL;
44   bool GEPIndexesStructType(const llvm::GetElementPtrInst *GEP) {
45     for (llvm::gep_type_iterator GTI = gep_type_begin(GEP),
48       if (llvm::dyn_cast<llvm::StructType>(*GTI)) {
55   // Helper method to add two llvm::Value parameters
56   llvm::Value *incrementOffset(llvm::Value *accum, llvm::Value *incr,
57                                llvm::Instruction *InsertBefore) {
60     return llvm::BinaryOperator::CreateAdd(accum, incr, "", InsertBefore);
64   // Based on visitGetElementPtrInst in llvm/lib/Transforms/Scalar/SROA.cpp.
69   llvm::Value *computeGEPOffset(llvm::GetElementPtrInst *GEP) {
70     llvm::Value *Offset = nullptr;
72     for (llvm::gep_type_iterator GTI = gep_type_begin(GEP),
75       if (llvm::StructType *STy = llvm::dyn_cast<llvm::StructType>(*GTI)) {
76         llvm::ConstantInt *OpC = llvm::dyn_cast<llvm::ConstantInt>(GTI.getOperand());
83         const llvm::StructLayout *SL = DL.getStructLayout(STy);
85         llvm::Value *Incr = llvm::ConstantInt::get(
86                                 llvm::Type::getInt32Ty(*Context), EltOffset);
90         llvm::Value *EltSize = llvm::ConstantInt::get(
91                                  llvm::Type::getInt32Ty(*Context),
93         llvm::Value *Incr = llvm::BinaryOperator::CreateMul(
103   void translateGEP(llvm::GetElementPtrInst *GEP) {
105     llvm::CastInst *Int8Ptr = llvm::CastInst::CreatePointerCast(
107                                   llvm::Type::getInt8PtrTy(*Context),
110     llvm::Value *Indices[1] = {computeGEPOffset(GEP)};
113     llvm::GetElementPtrInst *Int8PtrGEP = llvm::GetElementPtrInst::Create(
114         llvm::Type::getInt8Ty(*Context), Int8Ptr, llvm::makeArrayRef(Indices),
119     llvm::CastInst *OutCast = llvm::CastInst::CreatePointerCast(
130   virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
136   virtual bool runOnFunction(llvm::Function &F) override {
143     std::vector<llvm::GetElementPtrInst *> GEPsToHandle;
147         if (auto *GEP = llvm::dyn_cast<llvm::GetElementPtrInst>(&I)) {
176 llvm::FunctionPass *