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/*========================== begin_copyright_notice ============================
Copyright (C) 2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/Module.h>
#include <llvm/IR/Instructions.h>
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DebugLoc.h"
#include <llvm/Analysis/LoopInfo.h>
#include "common/LLVMWarningsPop.hpp"
#include <3d/common/iStdLib/types.h>
#include <common/shaderHash.hpp>
#include "KernelInfo.h"
#include "IGCMetric.h"
#ifdef IGC_METRICS__PROTOBUF_ATTACHED
#include <google/protobuf/util/json_util.h>
#include <Metrics/proto_schema/igc_metrics.pb.h>
#include <Metrics/proto_schema/instruction_stats.pb.h>
#endif // IGC_METRICS
#include "Compiler/CISACodeGen/CVariable.hpp"
#include <Compiler/CISACodeGen/DebugInfoData.hpp>
#include <DebugInfo/VISADebugDecoder.hpp>
#pragma once
namespace IGCMetrics
{
const char* const funcTrackValue = "llvm.igc.metric.trackValue";
#ifdef IGC_METRICS__PROTOBUF_ATTACHED
struct VarData
{
IGC_METRICS::VarInfo* var_m;
llvm::MetadataAsValue* varDILocalVariable;
};
#endif
class IGCMetricImpl
{
private:
friend class CollectFuncData;
friend class CollectSpillFills;
friend class CollectInstrData;
bool isEnabled;
#ifdef IGC_METRICS__PROTOBUF_ATTACHED
IGC_METRICS::Program oclProgram;
IGCLLVM::Module* pModule;
// On end of collecting metrics it will contain binary format of protobuf
void* pMetricData;
// Helpers
// Map user-variables
std::map<llvm::MetadataAsValue*, struct VarData> map_Var;
// Map Function debuginfo to Function metrics
std::map<llvm::DISubprogram*, IGC_METRICS::Function*> map_Func;
// helpers for emulated calls
std::map<llvm::DILocation*, IGC_METRICS::FuncEmuCalls*> map_EmuCalls;
// helpers for loops
std::map<llvm::DILocalScope*, IGC_METRICS::CFGStats_Loops*> map_Loops;
// Current count of instruction in function
int countInstInFunc;
uint fillInstrKindID = 0;
uint spillInstrKindID = 0;
int CountInstInFunc(llvm::Function* pFunc);
void GetFunctionData(IGC_METRICS::Function* func_m, llvm::Function& func);
void UpdateFunctionArgumentsList();
inline struct VarData* GetVarData(llvm::Value* pValue);
inline IGC_METRICS::VarInfo* GetVarMetric(llvm::Value* pValue);
inline IGC_METRICS::VarInfo* AddVarMetric(llvm::DbgVariableIntrinsic* pInstr);
inline IGC_METRICS::Function* GetFuncMetric(const llvm::Instruction* const pInstr);
inline IGC_METRICS::Function* GetFuncMetric(llvm::Instruction* pInstr);
inline IGC_METRICS::Function* GetFuncMetric(llvm::Loop* pLoop);
inline IGC_METRICS::Function* GetFuncMetric(llvm::DISubprogram* pFunc);
inline IGC_METRICS::Function* GetFuncMetric(const llvm::DebugLoc* pLoc);
inline IGC_METRICS::Function* GetFuncMetric(const llvm::DebugLoc& pLoc);
inline IGC_METRICS::Function* GetFuncMetric(llvm::Function* pFunc);
void CollectLoop(llvm::Loop* loop);
void UpdateLoopsInfo();
void UpdateModelCost();
void UpdateMem2RegStats(IGC::VISAModule* CurrentVISA);
void UpdateInstructionStats();
inline void FillCodeRef(IGC_METRICS::CodeRef* codeRef, llvm::DILexicalBlock* Loc);
inline void FillCodeRef(IGC_METRICS::CodeRef* codeRef, llvm::DISubprogram* Loc);
inline void FillCodeRef(IGC_METRICS::CodeRef* codeRef, llvm::DILocation* Loc);
inline void FillCodeRef(IGC_METRICS::CodeRef* codeRef, llvm::DIVariable* Var);
static inline void FillCodeRef(IGC_METRICS::CodeRef* codeRef, const std::string& filePathName, int line);
static inline const std::string GetFullPath(const char* dir, const char* fileName);
static inline const std::string GetFullPath(const std::string& dir, const std::string& fileName);
inline llvm::CallInst* makeTrackCall(const char* const trackCall, ArrayRef<Value*> Args, llvm::Instruction* insertAfter);
static inline llvm::MetadataAsValue* makeMDasVal(llvm::Value* Value);
#endif
public:
IGCMetricImpl();
~IGCMetricImpl();
bool Enable();
size_t getMetricDataSize();
const void* const getMetricData();
void Init(ShaderHash* Hash, bool isDebugInfo);
void CollectLoops(llvm::LoopInfo* loopInfo);
void CollectLoops(llvm::Loop* loop);
void CollectFunctions(llvm::Module* pModule);
void StatBeginEmuFunc(llvm::Instruction* instruction);
void StatEndEmuFunc(llvm::Instruction* emulatedInstruction);
void StatIncCoalesced(llvm::Instruction* coalescedAccess);
void CollectRegStats(KERNEL_INFO* vISAstats, llvm::Function* pFunc);
void UpdateVariable(llvm::Value* Org, llvm::Value* New);
void CollectMem2Reg(llvm::AllocaInst* pAllocaInst, IGC::StatusPrivArr2Reg status);
void CollectLoopCyclomaticComplexity(
llvm::Function* pFunc,
int LoopCyclomaticComplexity,
int LoopCyclomaticComplexity_Max);
void CollectNestedLoopsWithMultipleExits(
llvm::Function* pFunc,
float NestedLoopsWithMultipleExitsRatio,
float NestedLoopsWithMultipleExitsRatio_Max);
void CollectLongStridedLdStInLoop(
llvm::Function* pFunc,
llvm::Loop* pProblematicLoop,
int LongStridedLdStInLoop_LdCnt,
int LongStridedLdStInLoop_StCnt,
int LongStridedLdStInLoop_MaxCntLdOrSt);
void CollectIsGeminiLakeWithDoubles(
llvm::Function* pFunc,
bool IsGeminiLakeWithDoubles);
void CollectDataFromDebugInfo(
llvm::Function* pFunc,
IGC::DebugInfoData *pDebugInfo,
const IGC::VISADebugInfo *pVisaDbgInfo);
void CollectInstructionCnt(
llvm::Function* pFunc,
int InstCnt,
int InstCntMax);
void CollectThreadGroupSize(
llvm::Function* pFunc,
int ThreadGroupSize,
int ThreadGroupSizeMax);
void CollectThreadGroupSizeHint(
llvm::Function* pFunc,
int ThreadGroupSizeHint,
int ThreadGroupSizeHintMax);
void CollectIsSubGroupFuncIn(
llvm::Function* pFunc,
bool flag);
void CollectGen9Gen10WithIEEESqrtDivFunc(
llvm::Function* pFunc,
bool flag);
void CollectNonUniformLoop(
llvm::Function* pFunc,
short LoopCount, llvm::Loop* problematicLoop);
void FinalizeStats();
void OutputMetrics();
};
}
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