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/*========================== begin_copyright_notice ============================
Copyright (C) 2021-2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "llvm/Config/llvm-config.h"
#include "Probe/Assertion.h"
#include "common/LLVMWarningsPush.hpp"
#include "llvm/ADT/DenseMap.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Function.h"
#include "common/LLVMWarningsPop.hpp"
#include <unordered_set>
using namespace llvm;
using namespace std;
namespace IGC
{
class CVariable;
class VISAModule;
class CShader;
class CVariable;
class IDebugEmitter;
class DebugInfoData
{
public:
llvm::DenseMap<llvm::Function*, VISAModule*> m_VISAModules;
// Store mapping of llvm::Value->CVariable per llvm::Function.
// The mapping is obtained from CShader at end of EmitVISAPass for F.
llvm::DenseMap<const llvm::Function*, llvm::DenseMap<llvm::Value*, CVariable*>> m_FunctionSymbols;
CShader* m_pShader = nullptr;
IDebugEmitter* m_pDebugEmitter = nullptr;
// Detect instructions with an address class pattern. Then remove all opcodes of this pattern from
// this instruction's last operand (metadata of DIExpression).
static void extractAddressClass(llvm::Function& F);
static void markOutputPrivateBase(CShader* pShader, IDebugEmitter* pDebugEmitter);
static void markOutputVar(CShader* pShader, IDebugEmitter* pDebugEmitter, llvm::Instruction* pInst, const char* pMetaDataName);
static void markOutput(llvm::Function& F, CShader* pShader, IDebugEmitter* pDebugEmitter);
void markOutputVars(const llvm::Instruction* pInst);
void markOutput(llvm::Function& F, CShader* m_currShader);
void addVISAModule(llvm::Function* F, VISAModule* m)
{
IGC_ASSERT_MESSAGE(m_VISAModules.find(F) == m_VISAModules.end(), "Reinserting VISA module for function");
m_VISAModules.insert(std::make_pair(F, m));
}
static bool hasDebugInfo(CShader* pShader);
void transferMappings(const llvm::Function& F);
CVariable* getMapping(const llvm::Function& F, const llvm::Value* V);
unsigned int getVISADclId(const CVariable* CVar, unsigned index)
{
auto it = CVarToVISADclId.find(CVar);
if (it == CVarToVISADclId.end())
{
IGC_ASSERT_MESSAGE(false, "Didn't find VISA dcl id");
return 0;
}
if (index == 0)
return (*it).second.first;
else if (index == 1)
return (*it).second.second;
return 0;
}
private:
std::unordered_set<const CVariable*> m_outputVals;
llvm::DenseMap<const CVariable*, std::pair<unsigned int, unsigned int>> CVarToVISADclId;
};
};
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