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/*========================== begin_copyright_notice ============================
Copyright (C) 2024 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/Module.h>
#include <llvm/ADT/StringSet.h>
#include <llvm/IR/InstVisitor.h>
#include "common/LLVMWarningsPop.hpp"
#include <map>
namespace IGC
{
namespace BiFManager
{
// Common typedefs
typedef std::vector<llvm::Function*> TFunctionsVec;
typedef int BiFSectionID;
/// <summary>
/// InstVisitor pass for looking built-in function which
/// are used in the module
/// </summary>
class CollectBuiltinsPass : public llvm::InstVisitor<CollectBuiltinsPass>
{
private:
TFunctionsVec& neededBuiltinsFunc;
std::function<bool(llvm::Function*)> predicate;
public:
CollectBuiltinsPass(
TFunctionsVec& neededBuiltinsFunc,
std::function<bool(llvm::Function*)> predicate);
~CollectBuiltinsPass();
void visitCallInst(llvm::CallInst& callInst);
};
// BiFDataRecord struct which contains the pointer on beginning of the
// section stream and size
struct BiFDataRecord
{
// Section ID
BiFSectionID ID;
// Beginning of section in the stream
int64_t bufferStart;
// Size of the section in the stream
int64_t bufferSize;
BiFDataRecord(BiFSectionID ID, int64_t bufferStart, int64_t bufferSize)
{
this->ID = ID;
this->bufferStart = bufferStart;
this->bufferSize = bufferSize;
}
};
class BiFManagerCommon
{
public:
BiFManagerCommon(llvm::LLVMContext& Context);
~BiFManagerCommon();
static size_t getHash(const std::string& FlagName);
protected:
inline static const std::string bifMark = "igc_bif";
llvm::LLVMContext& Context;
template<class T>
void FindAllBuiltins(
T* ptr,
std::function<bool(llvm::Function*)> predicate,
TFunctionsVec& neededBuiltinInstr)
{
CollectBuiltinsPass pass(neededBuiltinInstr, predicate);
pass.visit(ptr);
}
};
}
}
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