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/*========================== begin_copyright_notice ============================
Copyright (C) 2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/InstVisitor.h>
#include <llvm/IR/LLVMContext.h>
#include "common/LLVMWarningsPop.hpp"
#include <unordered_set>
namespace IGC
{
class InsertGenericPtrArithmeticMetadata : public llvm::FunctionPass, public llvm::InstVisitor<InsertGenericPtrArithmeticMetadata>
{
public:
static char ID;
InsertGenericPtrArithmeticMetadata();
virtual llvm::StringRef getPassName() const override
{
return "InsertGenericPtrArithmeticMetadata";
}
virtual bool runOnFunction(llvm::Function& F) override;
bool hasOnlyArithmeticUses(llvm::Instruction* I);
void visitAddrSpaceCast(llvm::AddrSpaceCastInst& I);
private:
llvm::LLVMContext* m_context = nullptr;
bool m_changed = false;
std::unordered_set<llvm::PHINode*> m_visitedPHIs;
};
} // namespace IGC
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